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Seattle-Tacoma International Airport to Dallas Fort Worth International Airport flight

Explore the cheapest one-way and round-trip flights from Seattle-Tacoma International Airport to Dallas Fort Worth International Airport over the next 90 days, with one-way fares from AU$143 and round-trip from AU$148. Based on Trip.com's latest 7-day flight data.

    • Cheapest nonstop
      SEA 11:06
      4h 5m
      Direct
      DFW 17:11
      Seattle - Dallas | Wed, Oct 28 | Alaska Airlines
      DFW 06:02
      4h 28m
      Direct
      SEA 08:30
      Dallas - Seattle | Sun, Nov 1 | Alaska Airlines
      AU$329 AU$418
      21% off
      21% off
      AU$418 AU$329
    • SEA 17:55
      4h 2m
      Direct
      DFW 23:57
      Seattle - Dallas | Thu, Oct 22 | Delta Air Lines
      DFW 06:30
      4h 28m
      Direct
      SEA 08:58
      Dallas - Seattle | Mon, Oct 26 | Delta Air Lines
      AU$338 AU$418
      19% off
      19% off
      AU$418 AU$338
    • SEA 12:14
      8h 40m
      1 stop
      DFW 22:54
      Seattle - Dallas | Sat, Oct 31 | Frontier Airlines
      DFW 22:03
      13h 42m
      1 stop
      SEA 09:45
      Dallas - Seattle | Wed, Nov 4 | Frontier Airlines
      AU$148 AU$418
      65% off
      65% off
      AU$418 AU$148
    • SEA 16:27
      5h 49m
      1 stop
      DFW 00:16
      Seattle - Dallas | Tue, Oct 20 | Frontier Airlines
      DFW 20:27
      20h 45m
      1 stop
      SEA 15:12
      Dallas - Seattle | Wed, Oct 21 | Frontier Airlines
      AU$178
      56% off
      AU$418 AU$178
    • SEA 12:14
      15h 4m
      1 stop
      DFW 05:18
      Seattle - Dallas | Wed, Nov 11 | Frontier Airlines
      DFW 20:27
      20h 45m
      1 stop
      SEA 15:12
      Dallas - Seattle | Tue, Nov 17 | Frontier Airlines
      AU$211
      50% off
      AU$418 AU$211
    • SEA 21:53
      11h 2m
      1 stop
      DFW 10:55
      Seattle - Dallas | Fri, Dec 4 | Frontier Airlines
      DFW 07:28
      10h 15m
      1 stop
      SEA 15:43
      Dallas - Seattle | Mon, Dec 7 | Frontier Airlines
      AU$212
      49% off
      AU$418 AU$212
    • SEA 19:48
      7h 29m
      1 stop
      DFW 05:17
      Seattle - Dallas | Fri, Nov 6 | Frontier Airlines
      DFW 07:00
      10h 12m
      1 stop
      SEA 15:12
      Dallas - Seattle | Wed, Nov 11 | Frontier Airlines
      AU$228
      45% off
      AU$418 AU$228
    • SEA 16:27
      15h 13m
      1 stop
      DFW 09:40
      Seattle - Dallas | Sat, Nov 7 | Frontier Airlines
      DFW 07:00
      10h 12m
      1 stop
      SEA 15:12
      Dallas - Seattle | Wed, Nov 11 | Frontier Airlines
      AU$234
      44% off
      AU$418 AU$234
    • SEA 21:13
      11h 57m
      1 stop
      DFW 11:10
      Seattle - Dallas | Thu, Oct 29 | Frontier Airlines
      DFW 07:00
      10h 12m
      1 stop
      SEA 15:12
      Dallas - Seattle | Wed, Nov 4 | Frontier Airlines
      AU$238
      43% off
      AU$418 AU$238
    • SEA 13:00
      17h 25m
      1 stop
      DFW 14:00
      Seattle - Dallas | Sat, Oct 17 | Normal Airline
      DFW 15:00
      6h
      Direct
      SEA 16:00
      Dallas - Seattle | Mon, Oct 19 | Normal Airline
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    • Cheapest
      SEA 12:14
      15h 4m
      1 stop
      DFW 05:18
      Seattle - Dallas | Sat, Nov 28 | Frontier Airlines
      AU$143 AU$273
      48% off
      48% off
      AU$273 AU$143
    • SEA 12:14
      15h 4m
      1 stop
      DFW 05:18
      Seattle - Dallas | Fri, Nov 27 | Frontier Airlines
      AU$150 AU$273
      45% off
      45% off
      AU$273 AU$150
    • SEA 20:09
      7h 8m
      1 stop
      DFW 05:17
      Seattle - Dallas | Fri, Dec 4 | Frontier Airlines
      AU$169 AU$273
      38% off
      38% off
      AU$273 AU$169
    • SEA 21:16
      6h 2m
      1 stop
      DFW 05:18
      Seattle - Dallas | Thu, Nov 12 | Frontier Airlines
      AU$170
      38% off
      AU$273 AU$170
    • SEA 16:27
      5h 51m
      1 stop
      DFW 00:18
      Seattle - Dallas | Tue, Dec 1 | Frontier Airlines
      AU$170
      38% off
      AU$273 AU$170
    • SEA 16:27
      5h 50m
      1 stop
      DFW 00:17
      Seattle - Dallas | Thu, Dec 3 | Frontier Airlines
      AU$170
      38% off
      AU$273 AU$170
    • SEA 20:09
      7h 8m
      1 stop
      DFW 05:17
      Seattle - Dallas | Fri, Nov 20 | Frontier Airlines
      AU$170
      38% off
      AU$273 AU$170
    • SEA 20:09
      7h 8m
      1 stop
      DFW 05:17
      Seattle - Dallas | Sat, Nov 21 | Frontier Airlines
      AU$170
      38% off
      AU$273 AU$170
    • SEA 16:27
      5h 51m
      1 stop
      DFW 00:18
      Seattle - Dallas | Tue, Nov 24 | Frontier Airlines
      AU$170
      38% off
      AU$273 AU$170
    • SEA 13:00
      17h 25m
      1 stop
      DFW 14:00
      Seattle - Dallas | Sat, Oct 17 | Normal Airline
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    • Cheapest nonstop
      SEA 11:06
      4h 5m
      Direct
      DFW 17:11
      Seattle - Dallas | Tue, Oct 27 | Alaska Airlines
      AU$194 AU$638
      70% off
      70% off
      AU$638 AU$194
    • SEA 10:59
      4h 6m
      Direct
      DFW 17:05
      Seattle - Dallas | Mon, Nov 16 | Alaska Airlines
      AU$223 AU$638
      65% off
      65% off
      AU$638 AU$223
    • SEA 10:59
      3h 55m
      Direct
      DFW 16:54
      Seattle - Dallas | Thu, Dec 3 | Alaska Airlines
      AU$224 AU$638
      65% off
      65% off
      AU$638 AU$224
    • SEA 12:19
      4h 9m
      Direct
      DFW 18:28
      Seattle - Dallas | Tue, Nov 17 | Alaska Airlines
      AU$251
      61% off
      AU$638 AU$251
    • SEA 05:10
      4h 2m
      Direct
      DFW 11:12
      Seattle - Dallas | Fri, Jan 1 | American Airlines
      AU$257
      60% off
      AU$638 AU$257
    • SEA 12:19
      4h 9m
      Direct
      DFW 18:28
      Seattle - Dallas | Thu, Nov 19 | Alaska Airlines
      AU$281
      56% off
      AU$638 AU$281
    • SEA 17:55
      4h 2m
      Direct
      DFW 23:57
      Seattle - Dallas | Sat, Oct 17 | Delta Air Lines
      AU$287
      55% off
      AU$638 AU$287
    • SEA 15:41
      4h 6m
      Direct
      DFW 21:47
      Seattle - Dallas | Sun, Nov 22 | American Airlines
      AU$307
      52% off
      AU$638 AU$307
    • SEA 00:55
      3h 54m
      Direct
      DFW 06:49
      Seattle - Dallas | Tue, Nov 24 | American Airlines
      AU$358
      44% off
      AU$638 AU$358
    • SEA 13:00
      17h 25m
      1 stop
      DFW 14:00
      Seattle - Dallas | Sat, Oct 17 | Normal Airline
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    • Cheapest nonstop
      SEA 11:06
      4h 5m
      Direct
      DFW 17:11
      Seattle - Dallas | Tue, Oct 27 | Alaska Airlines
      AU$194 AU$588
      67% off
      67% off
      AU$588 AU$194
    • SEA 10:59
      4h 6m
      Direct
      DFW 17:05
      Seattle - Dallas | Mon, Nov 16 | Alaska Airlines
      AU$223 AU$588
      62% off
      62% off
      AU$588 AU$223
    • SEA 10:59
      3h 55m
      Direct
      DFW 16:54
      Seattle - Dallas | Thu, Dec 3 | Alaska Airlines
      AU$224 AU$588
      62% off
      62% off
      AU$588 AU$224
    • SEA 12:19
      4h 9m
      Direct
      DFW 18:28
      Seattle - Dallas | Tue, Nov 17 | Alaska Airlines
      AU$251
      56% off
      AU$588 AU$251
    • SEA 05:10
      4h 2m
      Direct
      DFW 11:12
      Seattle - Dallas | Fri, Jan 1 | American Airlines
      AU$257
      56% off
      AU$588 AU$257
    • SEA 12:19
      4h 9m
      Direct
      DFW 18:28
      Seattle - Dallas | Thu, Nov 19 | Alaska Airlines
      AU$281
      52% off
      AU$588 AU$281
    • SEA 17:55
      4h 2m
      Direct
      DFW 23:57
      Seattle - Dallas | Sat, Oct 17 | Delta Air Lines
      AU$287
      51% off
      AU$588 AU$287
    • SEA 15:41
      4h 6m
      Direct
      DFW 21:47
      Seattle - Dallas | Sun, Nov 22 | American Airlines
      AU$307
      48% off
      AU$588 AU$307
    • SEA 00:55
      3h 54m
      Direct
      DFW 06:49
      Seattle - Dallas | Tue, Nov 24 | American Airlines
      AU$358
      39% off
      AU$588 AU$358
    • SEA 13:00
      17h 25m
      1 stop
      DFW 14:00
      Seattle - Dallas | Sat, Oct 17 | Normal Airline
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    • Cheapest nonstop
      SEA 12:21
      4h 12m
      Direct
      DFW 18:33
      Seattle - Dallas | Fri, Oct 16 | Alaska Airlines
      AU$247 AU$638
      61% off
      61% off
      AU$638 AU$247
    • SEA 17:41
      4h 4m
      Direct
      DFW 23:45
      Seattle - Dallas | Fri, Oct 16 | American Airlines
      AU$256 AU$638
      60% off
      60% off
      AU$638 AU$256
    • SEA 08:39
      4h 7m
      Direct
      DFW 14:46
      Seattle - Dallas | Sat, Oct 17 | Alaska Airlines
      AU$283 AU$638
      56% off
      56% off
      AU$638 AU$283
    • SEA 17:55
      4h 2m
      Direct
      DFW 23:57
      Seattle - Dallas | Sat, Oct 17 | Delta Air Lines
      AU$287
      55% off
      AU$638 AU$287
    • SEA 17:58
      4h 1m
      Direct
      DFW 23:59
      Seattle - Dallas | Sun, Oct 18 | Alaska Airlines
      AU$398
      38% off
      AU$638 AU$398
    • SEA 17:58
      4h 1m
      Direct
      DFW 23:59
      Seattle - Dallas | Mon, Oct 19 | Alaska Airlines
      AU$406
      36% off
      AU$638 AU$406
    • SEA 17:58
      4h 1m
      Direct
      DFW 23:59
      Seattle - Dallas | Wed, Oct 21 | Alaska Airlines
      AU$414
      35% off
      AU$638 AU$414
    • SEA 17:55
      4h 2m
      Direct
      DFW 23:57
      Seattle - Dallas | Mon, Oct 19 | Delta Air Lines
      AU$416
      35% off
      AU$638 AU$416
    • SEA 05:00
      3h 59m
      Direct
      DFW 10:59
      Seattle - Dallas | Mon, Oct 19 | American Airlines
      AU$420
      34% off
      AU$638 AU$420
    • SEA 13:00
      17h 25m
      1 stop
      DFW 14:00
      Seattle - Dallas | Sat, Oct 17 | Normal Airline
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    • SEA 23:45
      3h 50m
      Direct
      DFW 05:35
      Seattle - Dallas | Tue, Oct 20 | American Airlines
      AU$435 AU$872
      50% off
      50% off
      AU$872 AU$435
    • SEA 06:39
      3h 51m
      Direct
      DFW 12:30
      Seattle - Dallas | Thu, Nov 26 | American Airlines
      AU$400 AU$872
      54% off
      54% off
      AU$872 AU$400
    • SEA 00:47
      3h 52m
      Direct
      DFW 06:39
      Seattle - Dallas | Fri, Jan 1 | American Airlines
      AU$400 AU$872
      54% off
      54% off
      AU$872 AU$400
    • SEA 00:47
      3h 52m
      Direct
      DFW 06:39
      Seattle - Dallas | Fri, Dec 18 | American Airlines
      AU$359
      59% off
      AU$872 AU$359
    • SEA 00:47
      3h 52m
      Direct
      DFW 06:39
      Seattle - Dallas | Fri, Dec 25 | American Airlines
      AU$400
      54% off
      AU$872 AU$400
    • SEA 14:45
      3h 52m
      Direct
      DFW 20:37
      Seattle - Dallas | Sun, Nov 22 | Delta Air Lines
      AU$312
      64% off
      AU$872 AU$312
    • SEA 14:45
      3h 52m
      Direct
      DFW 20:37
      Seattle - Dallas | Wed, Nov 25 | Delta Air Lines
      AU$706
      19% off
      AU$872 AU$706
    • SEA 14:45
      3h 52m
      Direct
      DFW 20:37
      Seattle - Dallas | Tue, Nov 24 | Delta Air Lines
      AU$361
      59% off
      AU$872 AU$361
    • SEA 00:47
      3h 52m
      Direct
      DFW 06:39
      Seattle - Dallas | Thu, Dec 24 | American Airlines
      AU$400
      54% off
      AU$872 AU$400
    • SEA 13:00
      17h 25m
      1 stop
      DFW 14:00
      Seattle - Dallas | Sat, Oct 17 | Normal Airline
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Displayed flight fares from Seattle to Dallas are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Trip.com Price Insights: Flights from Seattle-Tacoma International Airport to Dallas Fort Worth International Airport

What is the cheapest month to fly from Seattle-Tacoma International Airport to Dallas Fort Worth International Airport?

The data is based on the past 12 months and shows the average one-way ticket prices from Seattle-Tacoma International Airport to Dallas Fort Worth International Airport for each month in the Trip.com database.

Based on Trip.com's data from the past 12 months, the cheapest one-way flights from Seattle-Tacoma International Airport to Dallas Fort Worth International Airport are usually in January, with an average price of AU$251. It is best to avoid June, when the average price can reach AU$419.

AU$419
AU$335
AU$251
AU$167
    Cheapest
  • AU$278
    Oct
  • AU$294
    Nov
  • AU$322
    Dec
  • AU$251
    Jan
  • AU$269
    Feb
  • AU$342
    Mar
  • AU$304
    Apr
  • AU$300
    May
  • AU$419
    Jun
  • AU$374
    Jul
  • AU$332
    Aug
  • AU$347
    Sep

What is the cheapest month to fly return from Seattle-Tacoma International Airport to Dallas Fort Worth International Airport?

The data is based on the past 12 months and shows the average monthly return fares from Seattle-Tacoma International Airport to Dallas Fort Worth International Airport in the Trip.com database.

Based on Trip.com's data from the past 12 months, October is often the month to find the lowest fares from Seattle-Tacoma International Airport to Dallas Fort Worth International Airport, with an average price of AU$351. June is usually the most expensive month, with an average price reaching AU$876.

AU$876
AU$614
AU$351
AU$89
  • AU$351
    Oct
  • AU$488
    Nov
  • AU$629
    Dec
  • AU$533
    Jan
  • AU$788
    Feb
  • AU$855
    Mar
  • AU$803
    Apr
  • AU$488
    May
  • AU$876
    Jun
  • AU$724
    Jul
  • AU$627
    Aug
  • AU$644
    Sep

What is the cheapest day of the week to fly from Seattle-Tacoma International Airport to Dallas Fort Worth International Airport?

The data is based on the past 12 months and shows the average ticket prices from Seattle-Tacoma International Airport to Dallas Fort Worth International Airport for each day of the week in the Trip.com database.

Based on Trip.com's data from the past 12 months, the cheapest departure day from Seattle-Tacoma International Airport to Dallas Fort Worth International Airport is Tuesday, with average prices usually lower than other days. Avoid departing on Saturday as prices are typically highest on that day.

AU$406
AU$343
AU$279
AU$216
  • AU$349
    Mon
  • AU$279
    Tue
  • AU$305
    Wed
  • AU$303
    Thu
  • AU$325
    Fri
  • AU$406
    Sat
  • AU$339
    Sun

Which airline offers the cheapest flights from Seattle-Tacoma International Airport to Dallas Fort Worth International Airport?

The cheapest airline flying from Seattle-Tacoma International Airport to Dallas Fort Worth International Airport is Frontier Airlines (from AU$143) among 6 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Frontier Airlines
From AU$143
Alaska Airlines
From AU$221
American Airlines
From AU$228
Delta Air Lines
From AU$231
Sun Country Airlines
From AU$295
United Airlines
From AU$314

Find more flights and airlines

What is the flight schedule from Seattle-Tacoma International Airport to Dallas Fort Worth International Airport?

Check the schedule for flights from Seattle to Dallas and find the flight that best matches your travel plans.

Flight info.
Departure
Arrival
Weekly Schedule

  1. AS424

    Seattle-Tacoma International Airport

    00:33

    SEA

    3h 52m

    06:25

    DFW

    S M T W T F S
    Search

  2. AA717

    Seattle-Tacoma International Airport

    14:26

    SEA

    4h 4m

    20:30

    DFW

    S M T W T F S
    Search

  3. F93406

    Seattle-Tacoma International Airport

    16:27

    SEA

    2h 50m

    Direct

    20:17

    DEN

    S M T W T F S
    Search

  4. F92632

    Denver International Airport

    21:26

    DEN

    1h 58m

    Direct

    00:24

    DFW

    S M T W T F S

  5. F94204

    Seattle-Tacoma International Airport

    21:13

    SEA

    2h 46m

    Direct

    23:59

    LAS

    S - - W T - S
    Search

  6. F91650

    Harry Reid International Airport

    00:40

    LAS

    2h 38m

    Direct

    05:18

    DFW

    S M T W T F S

  7. F91178

    Seattle-Tacoma International Airport

    13:52

    SEA

    2h 45m

    Direct

    16:37

    LAX

    S M T W T F S
    Search

  8. F94964

    Los Angeles International Airport

    00:09

    LAX

    3h 11m

    Direct

    05:20

    DFW

    S M T W T F S

  9. F94204

    Seattle-Tacoma International Airport

    21:13

    SEA

    2h 46m

    Direct

    23:59

    LAS

    S - - W T - S
    Search

  10. F93886

    Harry Reid International Airport

    08:17

    LAS

    2h 52m

    Direct

    13:09

    DFW

    S M T W T F S

  11. AS678

    Seattle-Tacoma International Airport

    18:45

    SEA

    2h 32m

    Direct

    21:17

    LAS

    S M T W T F S
    Search

  12. F93886

    Harry Reid International Airport

    08:17

    LAS

    2h 52m

    Direct

    13:09

    DFW

    S M T W T F S

  13. F93406

    Seattle-Tacoma International Airport

    16:27

    SEA

    2h 50m

    Direct

    20:17

    DEN

    S M T W T F S
    Search

  14. F92550

    Denver International Airport

    06:30

    DEN

    2h 10m

    Direct

    09:40

    DFW

    S - - W T F S

  15. F91178

    Seattle-Tacoma International Airport

    13:52

    SEA

    2h 45m

    Direct

    16:37

    LAX

    S M T W T F S
    Search

  16. F92564

    Los Angeles International Airport

    15:45

    LAX

    3h 28m

    Direct

    21:13

    DFW

    S M T W T F S

  17. F92276

    Seattle-Tacoma International Airport

    10:03

    SEA

    2h 50m

    Direct

    12:53

    ONT

    S - - W T - S
    Search

  18. F94690

    Ontario International Airport

    17:33

    ONT

    3h 11m

    Direct

    22:44

    DFW

    - M T - - F -
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About Seattle-Tacoma International Airport and Dallas Fort Worth International Airport

Learn about Seattle-Tacoma International Airport (SEA) and Dallas Fort Worth International Airport (DFW) — including location, terminals, transportation, and travel tips.

Flight distance 2,670.47km
Cheapest one-way ticket price AU$143
Cheapest return ticket price AU$148

FAQs for Seattle-Tacoma International Airport to Dallas Fort Worth International Airport Flights

  • How long is the flight from Seattle-Tacoma International Airport to Dallas Fort Worth International Airport?

    Seattle-Tacoma International Airport to Dallas Fort Worth International Airport takes about 3 hours 27 minutes on average. Actual flight time may vary depending on route, weather and air traffic.
  • There are around 10 daily flights from Seattle-Tacoma International Airport (SEA) to Dallas Fort Worth International Airport (DFW).
  • The earliest flight from Seattle-Tacoma International Airport to Dallas Fort Worth International Airport departs at 00:24, and the last departs at 23:45, with about 16 flights per day. Flight times may change, so please check the latest departure and arrival times before you travel.
  • The route from Seattle-Tacoma International Airport (SEA) to Dallas Fort Worth International Airport (DFW) is quite popular. Without considering departure times or holidays, tickets cost around AU$437 in October, the most expensive month to book this route.
    • The distance from Dallas Fort Worth International Airport to downtown is about 25km, by taxi about 40 minutes.
    • The distance from Dallas Love Field to downtown is about 8km, by taxi about 20 minutes.
  • The closest airport to Dallas Fort Worth International Airport (DFW) is Dallas Love Field. The distance is around 18km.
  • American Airlines is a very popular airline operating an average of 9939 flights per month.
  • One-way flights from Seattle-Tacoma International Airport to Dallas Fort Worth International Airport currently start from AU$143, and round-trip fares start from AU$148. The current lowest fare is a Frontier Airlines flight departing on Sat, Nov 28; prices may vary depending on availability.
  • Yes. American Airlines, Alaska Airlines and Delta Air Lines operate direct flights from Seattle-Tacoma International Airport to Dallas Fort Worth International Airport, with an average flight time of 3 hours 25 minutes, and around 101 weekly flights. Actual flight frequency may vary by season.
  • Based on Trip.com flight data for departures within the next 30 days with at most one stop, the average one-way price from Seattle-Tacoma International Airport to Dallas Fort Worth International Airport is AU$333. Prices may vary depending on the departure date, airline, and availability.
  • Gol Linhas Aereas Inteligentes and Condor are the most popular budget airlines flying from Seattle-Tacoma International Airport to Dallas Fort Worth International Airport, with one-way fares starting from AU$143. Compare final prices carefully, as baggage, seat selection and payment fees may apply.
  • Seattle-Tacoma International Airport to Dallas Fort Worth International Airport operates around 103 weekly flights, mainly by American Airlines, Alaska Airlines and Delta Air Lines. Actual frequency may vary during holidays and seasonal schedule adjustments.
  • Enter Seattle-Tacoma International Airport and Dallas Fort Worth International Airport, select your departure date and number of passengers, then compare flights by price, flight duration, and baggage allowance. Once you've chosen a fare, review the change and refund rules, fill in passenger details, and pay to receive your booking confirmation.

Find Cheap Flights with Trip.com

Note: Prices shown on this page are the estimated lowest prices and include all taxes and fees found in the last 24 hours.

Book with no extra fees

Prices displayed on this page are all-inclusive (including taxes, fuel surcharges, civil aviation development fund, etc.), with all fees confirmed before payment. Fees for luggage, meals, Wi-Fi, or other additional services are also included as shown in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page have been updated within the last 24 hours—sometimes even in real time. The more popular the route, the more accurate the data.

Change & Cancellation Policy

Trip.com shows the cancellation and change policies for each flight ticket during the booking process, including any fees and applicable conditions. Please check the following scenarios:
Voluntary cancellation/change:
To request a change or cancellation, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and flight segment, and submit your request. Please note that additional charges may apply according to the airline's ticket policy.
Cancellation/change due to a flight schedule change:
If the flight schedule has changed and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please visit the customer support pages.