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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 £58 and round-trip from £111. Based on Trip.com's latest 7-day flight data.

      • Cheapest nonstop
        SEA 17:40
        4h 4m
        Direct
        DFW 23:44
        Seattle - Dallas | Fri, Oct 16 | Delta Air Lines
        DFW 17:35
        4h 25m
        Direct
        SEA 20:00
        Dallas - Seattle | Mon, Oct 19 | Delta Air Lines
        £170 £277
        39% off
        39% off
        £277 £170
      • SEA 17:58
        4h 1m
        Direct
        DFW 23:59
        Seattle - Dallas | Fri, Oct 30 | Alaska Airlines
        DFW 06:03
        4h 26m
        Direct
        SEA 08:29
        Dallas - Seattle | Sun, Nov 1 | Alaska Airlines
        £172 £277
        38% off
        38% off
        £277 £172
      • 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
        £111 £277
        60% off
        60% off
        £277 £111
      • SEA 16:27
        5h 49m
        1 stop
        DFW 00:16
        Seattle - Dallas | Thu, Oct 22 | Frontier Airlines
        DFW 20:27
        20h 45m
        1 stop
        SEA 15:12
        Dallas - Seattle | Fri, Oct 23 | Frontier Airlines
        £121
        56% off
        £277 £121
      • SEA 16:27
        5h 51m
        1 stop
        DFW 00:18
        Seattle - Dallas | Sat, Oct 31 | Frontier Airlines
        DFW 05:30
        7h 29m
        1 stop
        SEA 10:59
        Dallas - Seattle | Sat, Nov 7 | Frontier Airlines
        £124
        55% off
        £277 £124
      • SEA 21:16
        6h 2m
        1 stop
        DFW 05:18
        Seattle - Dallas | Mon, Oct 26 | Frontier Airlines
        DFW 07:00
        10h 12m
        1 stop
        SEA 15:12
        Dallas - Seattle | Mon, Nov 2 | Frontier Airlines
        £125
        55% off
        £277 £125
      • SEA 16:27
        5h 49m
        1 stop
        DFW 00:16
        Seattle - Dallas | Mon, Oct 19 | Frontier Airlines
        DFW 22:30
        13h 18m
        1 stop
        SEA 09:48
        Dallas - Seattle | Thu, Oct 22 | Frontier Airlines
        £127
        54% off
        £277 £127
      • SEA 16:27
        5h 49m
        1 stop
        DFW 00:16
        Seattle - Dallas | Sat, Oct 24 | Frontier Airlines
        DFW 20:27
        20h 45m
        1 stop
        SEA 15:12
        Dallas - Seattle | Tue, Oct 27 | Frontier Airlines
        £129
        53% off
        £277 £129
      • SEA 16:27
        24h 55m
        1 stop
        DFW 19:22
        Seattle - Dallas | Mon, Nov 9 | Frontier Airlines
        DFW 14:39
        26h 33m
        1 stop
        SEA 15:12
        Dallas - Seattle | Tue, Nov 17 | Frontier Airlines
        £130
        53% off
        £277 £130
      • SEA 16:27
        5h 49m
        1 stop
        DFW 00:16
        Seattle - Dallas | Wed, Oct 21 | Frontier Airlines
        DFW 20:27
        20h 45m
        1 stop
        SEA 15:12
        Dallas - Seattle | Tue, Oct 27 | Frontier Airlines
        £135
        51% off
        £277 £135
      • SEA 16:27
        5h 51m
        1 stop
        DFW 00:18
        Seattle - Dallas | Wed, Oct 28 | Frontier Airlines
        DFW 07:00
        10h 12m
        1 stop
        SEA 15:12
        Dallas - Seattle | Sat, Oct 31 | Frontier Airlines
        £138
        50% off
        £277 £138
      • SEA 16:27
        5h 53m
        1 stop
        DFW 00:20
        Seattle - Dallas | Thu, Oct 1 | Frontier Airlines
        DFW 07:00
        10h 8m
        1 stop
        SEA 15:08
        Dallas - Seattle | Wed, Oct 7 | Frontier Airlines
        £143
        48% off
        £277 £143
      • SEA 12:14
        8h 40m
        1 stop
        DFW 22:54
        Seattle - Dallas | Tue, Nov 10 | Frontier Airlines
        DFW 22:03
        14h 56m
        1 stop
        SEA 10:59
        Dallas - Seattle | Tue, Nov 17 | Frontier Airlines
        £147
        47% off
        £277 £147
      • 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
        £224
        19% off
        £277 £224
      • SEA 13:00
        17h 25m
        1 stop
        DFW 14:00
        Seattle - Dallas | Fri, Sep 25 | Normal Airline
        DFW 15:00
        6h
        Direct
        SEA 16:00
        Dallas - Seattle | Sun, Sep 27 | Normal Airline
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      • Cheapest nonstop
        SEA 17:55
        4h 2m
        Direct
        DFW 23:57
        Seattle - Dallas | Fri, Nov 20 | Delta Air Lines
        £86 £112
        23% off
        23% off
        £112 £86
      • SEA 17:58
        4h 1m
        Direct
        DFW 23:59
        Seattle - Dallas | Wed, Oct 21 | Alaska Airlines
        £87 £112
        22% off
        22% off
        £112 £87
      • SEA 00:24
        3h 56m
        Direct
        DFW 06:20
        Seattle - Dallas | Sun, Oct 18 | Alaska Airlines
        £87 £112
        22% off
        22% off
        £112 £87
      • SEA 00:24
        3h 56m
        Direct
        DFW 06:20
        Seattle - Dallas | Mon, Oct 19 | Alaska Airlines
        £87
        22% off
        £112 £87
      • SEA 00:25
        3h 54m
        Direct
        DFW 06:19
        Seattle - Dallas | Mon, Nov 16 | Alaska Airlines
        £87
        22% off
        £112 £87
      • SEA 17:58
        4h 1m
        Direct
        DFW 23:59
        Seattle - Dallas | Wed, Oct 28 | Alaska Airlines
        £87
        22% off
        £112 £87
      • SEA 17:58
        4h 1m
        Direct
        DFW 23:59
        Seattle - Dallas | Wed, Nov 4 | Alaska Airlines
        £88
        21% off
        £112 £88
      • SEA 17:55
        4h 2m
        Direct
        DFW 23:57
        Seattle - Dallas | Mon, Nov 16 | Delta Air Lines
        £90
        20% off
        £112 £90
      • SEA 17:55
        4h 2m
        Direct
        DFW 23:57
        Seattle - Dallas | Wed, Oct 28 | Delta Air Lines
        £90
        20% off
        £112 £90
      • SEA 17:55
        4h 2m
        Direct
        DFW 23:57
        Seattle - Dallas | Thu, Oct 29 | Delta Air Lines
        £90
        20% off
        £112 £90
      • SEA 16:27
        5h 49m
        1 stop
        DFW 00:16
        Seattle - Dallas | Fri, Nov 6 | Frontier Airlines
        £58
        48% off
        £112 £58
      • SEA 16:27
        24h 55m
        1 stop
        DFW 19:22
        Seattle - Dallas | Mon, Nov 16 | Frontier Airlines
        £86
        23% off
        £112 £86
      • SEA 13:00
        17h 25m
        1 stop
        DFW 14:00
        Seattle - Dallas | Fri, Sep 25 | Normal Airline
        Find more flights
        Find more flights

Displayed flight fares from Seattle-Tacoma International Airport to Dallas Fort Worth International Airport are based on average prices across airlines for the next 3 months according to the latest Trip.com data.

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 £131. It is best to avoid June, when the average price can reach £219.

£219
£175
£131
£87
    Cheapest
  • £160
    Sep
  • £140
    Oct
  • £154
    Nov
  • £168
    Dec
  • £131
    Jan
  • £141
    Feb
  • £179
    Mar
  • £159
    Apr
  • £157
    May
  • £219
    Jun
  • £195
    Jul
  • £173
    Aug

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.

£208
£176
£144
£112
  • £182
    Mon
  • £144
    Tue
  • £160
    Wed
  • £154
    Thu
  • £171
    Fri
  • £208
    Sat
  • £172
    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 £76) among 6 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Frontier Airlines
From £76
Alaska Airlines
From £91
Delta Air Lines
From £95
American Airlines
From £127
United Airlines
From £133
Sun Country Airlines
From £181

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. F93406

    Seattle-Tacoma International Airport

    16:27

    SEA

    2h 50m

    Direct

    20:17

    DEN

    S M T W T F S
    Search

  2. F92632

    Denver International Airport

    21:55

    DEN

    1h 55m

    Direct

    00:50

    DFW

    S M T W T F S

  3. F94204

    Seattle-Tacoma International Airport

    21:53

    SEA

    2h 38m

    Direct

    00:31

    LAS

    S - T W T F S
    Search

  4. F91650

    Harry Reid International Airport

    00:55

    LAS

    2h 40m

    Direct

    05:35

    DFW

    S M T W T F S

  5. F91178

    Seattle-Tacoma International Airport

    20:00

    SEA

    2h 58m

    Direct

    22:58

    LAX

    S M T W T F S
    Search

  6. F94964

    Los Angeles International Airport

    00:09

    LAX

    3h 11m

    Direct

    05:20

    DFW

    S M T W T F S

  7. F92408

    Seattle-Tacoma International Airport

    18:33

    SEA

    2h 40m

    Direct

    21:13

    LAS

    S - - - T - -
    Search

  8. F91650

    Harry Reid International Airport

    00:55

    LAS

    2h 40m

    Direct

    05:35

    DFW

    S M T W T F S

  9. F94668

    Seattle-Tacoma International Airport

    10:09

    SEA

    2h 38m

    Direct

    12:47

    LAS

    - M - - - - -
    Search

  10. F91948

    Harry Reid International Airport

    12:10

    LAS

    2h 55m

    Direct

    17:05

    DFW

    - M - - - F -

  11. F92276

    Seattle-Tacoma International Airport

    10:53

    SEA

    2h 52m

    Direct

    13:45

    ONT

    S - T W T F S
    Search

  12. F91406

    Ontario International Airport

    19:11

    ONT

    3h 8m

    Direct

    00:19

    DFW

    S - T W T - S

  13. F94204

    Seattle-Tacoma International Airport

    21:53

    SEA

    2h 38m

    Direct

    00:31

    LAS

    S - T W T F S
    Search

  14. F93886

    Harry Reid International Airport

    06:00

    LAS

    2h 55m

    Direct

    10:55

    DFW

    S M T W T F S

  15. F94668

    Seattle-Tacoma International Airport

    10:09

    SEA

    2h 38m

    Direct

    12:47

    LAS

    - M - - - - -
    Search

  16. F91650

    Harry Reid International Airport

    00:55

    LAS

    2h 40m

    Direct

    05:35

    DFW

    S M T W T F S

  17. F91178

    Seattle-Tacoma International Airport

    20:00

    SEA

    2h 58m

    Direct

    22:58

    LAX

    S M T W T F S
    Search

  18. F92564

    Los Angeles International Airport

    18:34

    LAX

    3h 12m

    Direct

    23:46

    DFW

    S M T W T F S

  19. F94204

    Seattle-Tacoma International Airport

    21:53

    SEA

    2h 38m

    Direct

    00:31

    LAS

    S - T W T F S
    Search

  20. F93978

    Harry Reid International Airport

    18:32

    LAS

    2h 47m

    Direct

    23:19

    DFW

    S - T W T - S
Find more flights and airlines

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 distance2,670.47km
Cheapest one-way ticket price£58
Cheapest return ticket price£111

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 32 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 05:30, and the last departs at 23:59, with about 18 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 £227 in September, 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 £58, and round-trip fares start from £111. The current lowest fare is a Frontier Airlines flight departing on Fri, Nov 6; prices may vary depending on availability.
  • Yes. American Airlines, Alaska Airlines, Delta Air Lines and Iberia operate direct flights from Seattle-Tacoma International Airport to Dallas Fort Worth International Airport, with an average flight time of 3 hours 24 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 £168. Prices may vary depending on the departure date, airline, and availability.
  • Condor and Gol Linhas Aereas Inteligentes are the most popular budget airlines flying from Seattle-Tacoma International Airport to Dallas Fort Worth International Airport, with one-way fares starting from £58. 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 71 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.