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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 MXN$1,059 and round-trip from MXN$2,140. Based on Trip.com's latest 7-day flight data.

      • Cheapest nonstop
        SEA 17:40
        4h 4m
        Direct
        DFW 23:44
        Seattle - Dallas | Thu, Oct 15 | Delta Air Lines
        DFW 17:35
        4h 25m
        Direct
        SEA 20:00
        Dallas - Seattle | Sun, Oct 18 | Delta Air Lines
        MXN$3,916 MXN$4,873
        20% off
        20% off
        MXN$4,873 MXN$3,916
      • SEA 17:58
        4h 1m
        Direct
        DFW 23:59
        Seattle - Dallas | Thu, Oct 29 | Alaska Airlines
        DFW 06:03
        4h 26m
        Direct
        SEA 08:29
        Dallas - Seattle | Sat, Oct 31 | Alaska Airlines
        MXN$3,947 MXN$4,873
        19% off
        19% off
        MXN$4,873 MXN$3,947
      • SEA 16:27
        5h 49m
        1 stop
        DFW 00:16
        Seattle - Dallas | Wed, Oct 28 | Frontier Airlines
        DFW 20:27
        20h 45m
        1 stop
        SEA 15:12
        Dallas - Seattle | Thu, Oct 29 | Frontier Airlines
        MXN$2,140 MXN$4,873
        56% off
        56% off
        MXN$4,873 MXN$2,140
      • SEA 16:27
        5h 49m
        1 stop
        DFW 00:16
        Seattle - Dallas | Tue, Oct 27 | Frontier Airlines
        DFW 10:37
        6h 35m
        1 stop
        SEA 15:12
        Dallas - Seattle | Fri, Oct 30 | Frontier Airlines
        MXN$2,184
        55% off
        MXN$4,873 MXN$2,184
      • SEA 16:27
        5h 50m
        1 stop
        DFW 00:17
        Seattle - Dallas | Tue, Nov 10 | Frontier Airlines
        DFW 14:39
        26h 33m
        1 stop
        SEA 15:12
        Dallas - Seattle | Wed, Nov 11 | Frontier Airlines
        MXN$2,279
        53% off
        MXN$4,873 MXN$2,279
      • SEA 16:27
        5h 49m
        1 stop
        DFW 00:16
        Seattle - Dallas | Sat, Oct 31 | Frontier Airlines
        DFW 10:02
        7h 10m
        1 stop
        SEA 15:12
        Dallas - Seattle | Sun, Nov 1 | Frontier Airlines
        MXN$2,424
        50% off
        MXN$4,873 MXN$2,424
      • SEA 12:14
        15h 4m
        1 stop
        DFW 05:18
        Seattle - Dallas | Thu, Nov 19 | Frontier Airlines
        DFW 20:27
        20h 45m
        1 stop
        SEA 15:12
        Dallas - Seattle | Wed, Nov 25 | Frontier Airlines
        MXN$2,538
        48% off
        MXN$4,873 MXN$2,538
      • SEA 16:27
        5h 49m
        1 stop
        DFW 00:16
        Seattle - Dallas | Fri, Oct 30 | Frontier Airlines
        DFW 20:27
        20h 45m
        1 stop
        SEA 15:12
        Dallas - Seattle | Sat, Oct 31 | Frontier Airlines
        MXN$2,788
        43% off
        MXN$4,873 MXN$2,788
      • SEA 16:27
        5h 51m
        1 stop
        DFW 00:18
        Seattle - Dallas | Sun, Nov 8 | Frontier Airlines
        DFW 05:30
        7h 29m
        1 stop
        SEA 10:59
        Dallas - Seattle | Sun, Nov 15 | Frontier Airlines
        MXN$2,847
        42% off
        MXN$4,873 MXN$2,847
      • SEA 21:16
        6h 2m
        1 stop
        DFW 05:18
        Seattle - Dallas | Tue, Nov 3 | Frontier Airlines
        DFW 07:00
        10h 12m
        1 stop
        SEA 15:12
        Dallas - Seattle | Tue, Nov 10 | Frontier Airlines
        MXN$2,881
        41% off
        MXN$4,873 MXN$2,881
      • SEA 16:27
        5h 53m
        1 stop
        DFW 00:20
        Seattle - Dallas | Sun, Oct 11 | Frontier Airlines
        DFW 22:59
        12h 43m
        1 stop
        SEA 09:42
        Dallas - Seattle | Tue, Oct 13 | Frontier Airlines
        MXN$2,894
        41% off
        MXN$4,873 MXN$2,894
      • SEA 16:27
        14h 40m
        1 stop
        DFW 09:07
        Seattle - Dallas | Sat, Oct 24 | Frontier Airlines
        DFW 20:27
        20h 45m
        1 stop
        SEA 15:12
        Dallas - Seattle | Thu, Oct 29 | Frontier Airlines
        MXN$2,904
        40% off
        MXN$4,873 MXN$2,904
      • SEA 21:45
        24h 58m
        1 stop
        DFW 00:43
        Seattle - Dallas | Thu, Oct 15 | Frontier Airlines
        DFW 07:00
        10h 12m
        1 stop
        SEA 15:12
        Dallas - Seattle | Wed, Oct 21 | Frontier Airlines
        MXN$2,925
        40% off
        MXN$4,873 MXN$2,925
      • SEA 16:27
        24h 55m
        1 stop
        DFW 19:22
        Seattle - Dallas | Tue, Nov 17 | Frontier Airlines
        DFW 14:39
        26h 33m
        1 stop
        SEA 15:12
        Dallas - Seattle | Wed, Nov 25 | Frontier Airlines
        MXN$2,979
        39% off
        MXN$4,873 MXN$2,979
      • 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 | Sat, Nov 14 | Delta Air Lines
        MXN$1,965 MXN$2,457
        20% off
        20% off
        MXN$2,457 MXN$1,965
      • SEA 17:58
        4h 1m
        Direct
        DFW 23:59
        Seattle - Dallas | Thu, Oct 22 | Alaska Airlines
        MXN$1,990 MXN$2,457
        19% off
        19% off
        MXN$2,457 MXN$1,990
      • SEA 16:27
        5h 49m
        1 stop
        DFW 00:16
        Seattle - Dallas | Sun, Nov 1 | Frontier Airlines
        MXN$1,059 MXN$2,457
        56% off
        56% off
        MXN$2,457 MXN$1,059
      • SEA 16:27
        5h 49m
        1 stop
        DFW 00:16
        Seattle - Dallas | Thu, Oct 29 | Frontier Airlines
        MXN$1,128
        54% off
        MXN$2,457 MXN$1,128
      • SEA 16:27
        19h 23m
        1 stop
        DFW 13:50
        Seattle - Dallas | Sat, Oct 31 | Frontier Airlines
        MXN$1,299
        47% off
        MXN$2,457 MXN$1,299
      • SEA 16:27
        24h 55m
        1 stop
        DFW 19:22
        Seattle - Dallas | Tue, Nov 17 | Frontier Airlines
        MXN$1,528
        38% off
        MXN$2,457 MXN$1,528
      • SEA 12:14
        15h 4m
        1 stop
        DFW 05:18
        Seattle - Dallas | Thu, Nov 19 | Frontier Airlines
        MXN$1,681
        32% off
        MXN$2,457 MXN$1,681
      • SEA 19:45
        7h 56m
        1 stop
        DFW 05:41
        Seattle - Dallas | Tue, Oct 13 | Frontier Airlines
        MXN$1,686
        31% off
        MXN$2,457 MXN$1,686
      • SEA 12:14
        8h 40m
        1 stop
        DFW 22:54
        Seattle - Dallas | Thu, Nov 12 | Frontier Airlines
        MXN$1,869
        24% off
        MXN$2,457 MXN$1,869
      • SEA 12:14
        8h 40m
        1 stop
        DFW 22:54
        Seattle - Dallas | Wed, Nov 11 | Frontier Airlines
        MXN$1,887
        23% off
        MXN$2,457 MXN$1,887
      • SEA 21:13
        13h 56m
        1 stop
        DFW 13:09
        Seattle - Dallas | Tue, Nov 10 | Frontier Airlines
        MXN$1,952
        21% off
        MXN$2,457 MXN$1,952
      • SEA 21:16
        13h 14m
        1 stop
        DFW 12:30
        Seattle - Dallas | Sat, Oct 24 | Frontier Airlines
        MXN$1,983
        19% off
        MXN$2,457 MXN$1,983
      • SEA 13:00
        17h 25m
        1 stop
        DFW 14:00
        Seattle - Dallas | Fri, Sep 25 | Normal Airline
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Flight fares from Seattle-Tacoma International Airport to Dallas Fort Worth International Airport are based on average airline prices for the next 3 months, according to Trip.com’s latest 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 MXN$3,017. It is best to avoid June, when the average price can reach MXN$5,046.

MXN$5,046
MXN$4,032
MXN$3,017
MXN$2,003
    Cheapest
  • MXN$3,685
    Sep
  • MXN$3,218
    Oct
  • MXN$3,541
    Nov
  • MXN$3,867
    Dec
  • MXN$3,017
    Jan
  • MXN$3,229
    Feb
  • MXN$4,111
    Mar
  • MXN$3,655
    Apr
  • MXN$3,608
    May
  • MXN$5,046
    Jun
  • MXN$4,494
    Jul
  • MXN$3,989
    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.

MXN$4,783
MXN$4,052
MXN$3,321
MXN$2,590
  • MXN$4,183
    Mon
  • MXN$3,321
    Tue
  • MXN$3,684
    Wed
  • MXN$3,533
    Thu
  • MXN$3,943
    Fri
  • MXN$4,783
    Sat
  • MXN$3,954
    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 MXN$1,513) among 6 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Frontier Airlines
From MXN$1,513
Alaska Airlines
From MXN$2,594
American Airlines
From MXN$2,661
Delta Air Lines
From MXN$2,690
Sun Country Airlines
From MXN$3,552
United Airlines
From MXN$3,570

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
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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 distance2,670.47km
Cheapest one-way ticket priceMXN$1,059
Cheapest return ticket priceMXN$2,140

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 MXN$5,219 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 MXN$1,059, and round-trip fares start from MXN$2,140. The current lowest fare is a Frontier Airlines flight departing on Sun, Nov 1; 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 MXN$3,853. 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 MXN$1,059. 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.

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

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Prices displayed on this page are all-inclusive prices (incl. taxes, fuel surcharge, 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 were updated within the last 24 hours—even in real-time. The more popular the route, the more precise the data.

Change & Cancellation Policy

Trip.com displays flight cancellation and change policies for each flight ticket during the booking process, including fees and applicable conditions. Please check the following scenarios:
Voluntary cancellation/change:
To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy.
Cancellation/change due to a flight schedule change:
If the flight has been rescheduled 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 check the customer support pages.