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Seattle-Tacoma International Airport to San Antonio International Airport flight

Explore the cheapest one-way and round-trip flights from Seattle-Tacoma International Airport to San Antonio International Airport over the next 90 days, with one-way fares from BRL 575 and round-trip from BRL 1,162. Based on Trip.com's latest 7-day flight data.

      • Cheapest nonstop
        SEA 10:09
        4h 10m
        Direct
        SAT 16:19
        Seattle - San Antonio | Fri, Nov 6 | Alaska Airlines
        SAT 17:29
        4h 31m
        Direct
        SEA 20:00
        San Antonio - Seattle | Mon, Nov 9 | Alaska Airlines
        BRL 2,200 BRL 2,887
        24% off
        24% off
        BRL 2,887 BRL 2,200
      • SEA 10:09
        4h 10m
        Direct
        SAT 16:19
        Seattle - San Antonio | Wed, Nov 4 | Alaska Airlines
        SAT 17:29
        4h 31m
        Direct
        SEA 20:00
        San Antonio - Seattle | Sat, Nov 7 | Alaska Airlines
        BRL 2,338 BRL 2,887
        19% off
        19% off
        BRL 2,887 BRL 2,338
      • SEA 21:16
        14h 36m
        1 stop
        SAT 13:52
        Seattle - San Antonio | Fri, Oct 16 | Frontier Airlines
        SAT 20:21
        20h 51m
        1 stop
        SEA 15:12
        San Antonio - Seattle | Mon, Oct 19 | Frontier Airlines
        BRL 1,162 BRL 2,887
        60% off
        60% off
        BRL 2,887 BRL 1,162
      • SEA 23:15
        9h 35m
        1 stop
        SAT 10:50
        Seattle - San Antonio | Mon, Nov 16 | Delta Air Lines
        SAT 17:00
        8h 59m
        1 stop
        SEA 23:59
        San Antonio - Seattle | Thu, Nov 19 | Delta Air Lines
        BRL 1,224
        57% off
        BRL 2,887 BRL 1,224
      • SEA 21:16
        12h 59m
        1 stop
        SAT 12:15
        Seattle - San Antonio | Thu, Oct 15 | Frontier Airlines
        SAT 20:21
        20h 51m
        1 stop
        SEA 15:12
        San Antonio - Seattle | Mon, Oct 19 | Frontier Airlines
        BRL 1,246
        56% off
        BRL 2,887 BRL 1,246
      • SEA 10:57
        25h 23m
        1 stop
        SAT 14:20
        Seattle - San Antonio | Tue, Sep 29 | Frontier Airlines
        SAT 12:39
        23h 3m
        1 stop
        SEA 09:42
        San Antonio - Seattle | Mon, Oct 5 | Frontier Airlines
        BRL 1,253
        56% off
        BRL 2,887 BRL 1,253
      • SEA 15:45
        6h 14m
        1 stop
        SAT 23:59
        Seattle - San Antonio | Fri, Oct 16 | American Airlines
        SAT 20:21
        20h 51m
        1 stop
        SEA 15:12
        San Antonio - Seattle | Mon, Oct 19 | Frontier Airlines
        BRL 1,257
        56% off
        BRL 2,887 BRL 1,257
      • SEA 05:00
        6h 15m
        1 stop
        SAT 13:15
        Seattle - San Antonio | Sat, Oct 17 | American Airlines
        SAT 07:50
        9h
        1 stop
        SEA 14:50
        San Antonio - Seattle | Tue, Oct 20 | Delta Air Lines
        BRL 1,260
        56% off
        BRL 2,887 BRL 1,260
      • SEA 16:27
        24h 59m
        1 stop
        SAT 19:26
        Seattle - San Antonio | Tue, Oct 20 | Frontier Airlines
        SAT 20:20
        20h 52m
        1 stop
        SEA 15:12
        San Antonio - Seattle | Tue, Oct 27 | Frontier Airlines
        BRL 1,269
        56% off
        BRL 2,887 BRL 1,269
      • SEA 16:27
        24h 58m
        1 stop
        SAT 19:25
        Seattle - San Antonio | Wed, Nov 11 | Frontier Airlines
        SAT 12:45
        7h 58m
        1 stop
        SEA 18:43
        San Antonio - Seattle | Mon, Nov 16 | Delta Air Lines
        BRL 1,273
        56% off
        BRL 2,887 BRL 1,273
      • SEA 14:30
        7h 43m
        1 stop
        SAT 00:13
        Seattle - San Antonio | Thu, Oct 15 | Delta Air Lines
        SAT 20:21
        20h 51m
        1 stop
        SEA 15:12
        San Antonio - Seattle | Mon, Oct 19 | Frontier Airlines
        BRL 1,282
        56% off
        BRL 2,887 BRL 1,282
      • SEA 14:30
        7h 43m
        1 stop
        SAT 00:13
        Seattle - San Antonio | Tue, Oct 20 | Delta Air Lines
        SAT 20:20
        20h 52m
        1 stop
        SEA 15:12
        San Antonio - Seattle | Tue, Oct 27 | Frontier Airlines
        BRL 1,310
        55% off
        BRL 2,887 BRL 1,310
      • SEA 14:49
        7h 18m
        1 stop
        SAT 00:07
        Seattle - San Antonio | Wed, Nov 11 | Delta Air Lines
        SAT 05:30
        11h 26m
        1 stop
        SEA 14:56
        San Antonio - Seattle | Mon, Nov 16 | Delta Air Lines
        BRL 1,317
        54% off
        BRL 2,887 BRL 1,317
      • SEA 13:00
        17h 25m
        1 stop
        SAT 14:00
        Seattle - San Antonio | Fri, Sep 25 | Normal Airline
        SAT 15:00
        6h
        Direct
        SEA 16:00
        San Antonio - Seattle | Sun, Sep 27 | Normal Airline
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      • Cheapest nonstop
        SEA 13:19
        6h 40m
        Direct
        SAT 21:59
        Seattle - San Antonio | Wed, Oct 14 | United Airlines
        BRL 1,076 BRL 1,339
        20% off
        20% off
        BRL 1,339 BRL 1,076
      • SEA 13:19
        6h 40m
        Direct
        SAT 21:59
        Seattle - San Antonio | Wed, Oct 21 | United Airlines
        BRL 1,084 BRL 1,339
        19% off
        19% off
        BRL 1,339 BRL 1,084
      • SEA 16:27
        24h 58m
        1 stop
        SAT 19:25
        Seattle - San Antonio | Mon, Nov 9 | Frontier Airlines
        BRL 575 BRL 1,339
        56% off
        56% off
        BRL 1,339 BRL 575
      • SEA 12:14
        7h 20m
        1 stop
        SAT 21:34
        Seattle - San Antonio | Wed, Nov 4 | Frontier Airlines
        BRL 594
        56% off
        BRL 1,339 BRL 594
      • SEA 15:41
        6h 23m
        1 stop
        SAT 00:04
        Seattle - San Antonio | Thu, Nov 5 | American Airlines
        BRL 600
        55% off
        BRL 1,339 BRL 600
      • SEA 21:45
        14h 35m
        1 stop
        SAT 14:20
        Seattle - San Antonio | Mon, Oct 5 | Frontier Airlines
        BRL 615
        54% off
        BRL 1,339 BRL 615
      • SEA 16:27
        24h 59m
        1 stop
        SAT 19:26
        Seattle - San Antonio | Fri, Oct 9 | Frontier Airlines
        BRL 615
        54% off
        BRL 1,339 BRL 615
      • SEA 10:57
        25h 23m
        1 stop
        SAT 14:20
        Seattle - San Antonio | Tue, Oct 6 | Frontier Airlines
        BRL 626
        53% off
        BRL 1,339 BRL 626
      • SEA 16:27
        24h 58m
        1 stop
        SAT 19:25
        Seattle - San Antonio | Fri, Oct 30 | Frontier Airlines
        BRL 645
        52% off
        BRL 1,339 BRL 645
      • SEA 16:27
        25h 58m
        1 stop
        SAT 19:25
        Seattle - San Antonio | Sat, Oct 31 | Frontier Airlines
        BRL 645
        52% off
        BRL 1,339 BRL 645
      • SEA 21:16
        22h 18m
        1 stop
        SAT 21:34
        Seattle - San Antonio | Mon, Oct 26 | Frontier Airlines
        BRL 645
        52% off
        BRL 1,339 BRL 645
      • SEA 16:27
        24h 59m
        1 stop
        SAT 19:26
        Seattle - San Antonio | Fri, Oct 23 | Frontier Airlines
        BRL 645
        52% off
        BRL 1,339 BRL 645
      • SEA 16:27
        24h 58m
        1 stop
        SAT 19:25
        Seattle - San Antonio | Fri, Nov 13 | Frontier Airlines
        BRL 645
        52% off
        BRL 1,339 BRL 645
      • SEA 16:27
        24h 58m
        1 stop
        SAT 19:25
        Seattle - San Antonio | Sat, Nov 14 | Frontier Airlines
        BRL 645
        52% off
        BRL 1,339 BRL 645
      • SEA 13:00
        17h 25m
        1 stop
        SAT 14:00
        Seattle - San Antonio | Fri, Sep 25 | Normal Airline
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Displayed flight fares from Seattle-Tacoma International Airport to San Antonio 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 San Antonio International Airport

What is the cheapest month to fly from Seattle-Tacoma International Airport to San Antonio 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 San Antonio 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 San Antonio International Airport are usually in November, with an average price of BRL 738. It is best to avoid October, when the average price can reach BRL 1,914.

BRL 1,914
BRL 1,326
BRL 738
BRL 150
    Cheapest
  • BRL 746
    Sep
  • BRL 1,914
    Oct
  • BRL 738
    Nov
  • BRL 1,482
    Dec
  • BRL 1,526
    Jan
  • BRL 1,016
    Feb
  • BRL 966
    Mar
  • BRL 953
    Apr
  • BRL 1,750
    May
  • BRL 1,008
    Jun
  • BRL 1,247
    Jul
  • BRL 1,441
    Aug

What is the cheapest day of the week to fly from Seattle-Tacoma International Airport to San Antonio International Airport?

The data is based on the past 12 months and shows the average ticket prices from Seattle-Tacoma International Airport to San Antonio 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 San Antonio International Airport is Saturday, with average prices usually lower than other days. Avoid departing on Friday as prices are typically highest on that day.

BRL 1,773
BRL 1,293
BRL 813
BRL 333
    Cheapest
  • BRL 1,714
    Mon
  • BRL 1,140
    Tue
  • BRL 1,540
    Wed
  • BRL 915
    Thu
  • BRL 1,773
    Fri
  • BRL 813
    Sat
  • BRL 1,056
    Sun

Which airline offers the cheapest flights from Seattle-Tacoma International Airport to San Antonio International Airport?

The cheapest airline flying from Seattle-Tacoma International Airport to San Antonio International Airport is Frontier Airlines (from BRL 575) among 6 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Frontier Airlines
From BRL 575
American Airlines
From BRL 600
Delta Air Lines
From BRL 688
United Airlines
From BRL 916
Alaska Airlines
From BRL 1,098
Hahn Air
From BRL 1,250

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What is the flight schedule from Seattle-Tacoma International Airport to San Antonio International Airport?

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

Flight info.
Departure
Arrival
Weekly Schedule

  1. F94668

    Seattle-Tacoma International Airport

    10:09

    SEA

    2h 38m

    Direct

    12:47

    LAS

    - M - - - - -
    Search

  2. F93418

    Harry Reid International Airport

    16:52

    LAS

    2h 42m

    Direct

    21:34

    SAT

    S - - - T - -

  3. AA717

    Seattle-Tacoma International Airport

    14:12

    SEA

    4h 5m

    Direct

    20:17

    DFW

    S M T W T F S
    Search

  4. AA1599

    Dallas Fort Worth International Airport

    22:50

    DFW

    1h 5m

    Direct

    23:55

    SAT

    - - - W - - S

  5. AA4988

    Seattle-Tacoma International Airport

    12:55

    SEA

    2h 59m

    Direct

    15:54

    LAX

    S M T W T F S
    Search

  6. AA4962

    Los Angeles International Airport

    18:59

    LAX

    3h

    Direct

    23:59

    SAT

    S M T W T F S

  7. DL953

    Seattle-Tacoma International Airport

    23:53

    SEA

    3h 22m

    Direct

    05:15

    MSP

    S M T W T F S
    Search

  8. DL2667

    Minneapolis-Saint Paul International Airport

    09:05

    MSP

    3h 5m

    Direct

    12:10

    SAT

    S M T W T F S

  9. F94204

    Seattle-Tacoma International Airport

    21:53

    SEA

    2h 38m

    Direct

    00:31

    LAS

    S - T W T F S
    Search

  10. F93420

    Harry Reid International Airport

    14:00

    LAS

    2h 44m

    Direct

    18:44

    SAT

    S M T W T F S

  11. F92408

    Seattle-Tacoma International Airport

    18:33

    SEA

    2h 40m

    Direct

    21:13

    LAS

    S - - - T - -
    Search

  12. F93420

    Harry Reid International Airport

    14:00

    LAS

    2h 44m

    Direct

    18:44

    SAT

    S M T W T F S

  13. F94204

    Seattle-Tacoma International Airport

    21:53

    SEA

    2h 38m

    Direct

    00:31

    LAS

    S - T W T F S
    Search

  14. F93418

    Harry Reid International Airport

    16:52

    LAS

    2h 42m

    Direct

    21:34

    SAT

    S - - - T - -

  15. F93406

    Seattle-Tacoma International Airport

    16:27

    SEA

    2h 50m

    Direct

    20:17

    DEN

    S M T W T F S
    Search

  16. F92356

    Denver International Airport

    14:39

    DEN

    2h 20m

    Direct

    17:59

    SAT

    S M T W T F S

  17. F94668

    Seattle-Tacoma International Airport

    10:09

    SEA

    2h 38m

    Direct

    12:47

    LAS

    - M - - - - -
    Search

  18. F93420

    Harry Reid International Airport

    14:00

    LAS

    2h 44m

    Direct

    18:44

    SAT

    S M T W T F S
Find more flights and airlines

About Seattle-Tacoma International Airport and San Antonio International Airport

Learn about Seattle-Tacoma International Airport (SEA) and San Antonio International Airport (SAT) — including location, terminals, transportation, and travel tips.

Flight distance2,857.24km
Cheapest one-way ticket priceBRL 575
Cheapest return ticket priceBRL 1,162

FAQs for Seattle-Tacoma International Airport to San Antonio International Airport Flights

  • How long is the flight from Seattle-Tacoma International Airport to San Antonio International Airport?

    Seattle-Tacoma International Airport to San Antonio International Airport takes about 4 hours 34 minutes on average. Actual flight time may vary depending on route, weather and air traffic.
  • There are around 1 daily flights from Seattle-Tacoma International Airport (SEA) to San Antonio International Airport (SAT).
  • The earliest flight from Seattle-Tacoma International Airport to San Antonio International Airport departs at 10:00, and the last departs at 13:40, with about 4 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 San Antonio International Airport (SAT) is quite popular. Without considering departure times or holidays, tickets cost around BRL 2,346 in September, the most expensive month to book this route.
    • The distance from San Antonio International Airport to downtown is about 12km, by taxi about 30 minutes.
  • United Airlines is a very popular airline operating an average of 171 flights per month.
  • One-way flights from Seattle-Tacoma International Airport to San Antonio International Airport currently start from BRL 575, and round-trip fares start from BRL 1,162. The current lowest fare is a Frontier Airlines flight departing on Mon, Nov 9; prices may vary depending on availability.
  • Yes. Alaska Airlines and United Airlines operate direct flights from Seattle-Tacoma International Airport to San Antonio International Airport, with an average flight time of 4 hours 55 minutes, and around 16 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 San Antonio International Airport is BRL 1,068. Prices may vary depending on the departure date, airline, and availability.
  • Seattle-Tacoma International Airport to San Antonio International Airport operates around 11 weekly flights, mainly by Alaska Airlines and United Airlines. Actual frequency may vary during holidays and seasonal schedule adjustments.
  • Enter Seattle-Tacoma International Airport and San Antonio 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.

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

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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.