$166+ Cheap flights from Seattle (SEA) to Dallas/Fort Worth (DFW)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/1. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — DFW
Sep 28 — Oct 51
Round-trip
1 adult, Economy
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Find cheap flights from Seattle to Dallas/Fort Worth with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Dallas/Fort Worth are usually found in January or October, booked 81 days in advance, depart on a Thursday or Wednesday and return on a Wednesday
Cheap flight deals from Seattle to Dallas/Fort Worth
Cheapest
Best
Last-minute
One-way
Cheapest flights from Seattle to Dallas/Fort WorthExplore the most affordable flight options available from Seattle to Dallas/Fort Worth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 29, 2026.
Explore the most affordable flight options available from Seattle to Dallas/Fort Worth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 29, 2026.
This CheapOair deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/810:03 am -
1 stop12h 56m
Mon 10/128:27 pm -
1 stop20h 45m
Deal found 8/27![Frontier logo]()
$281
This Kiwi.com deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/169:16 pm -
1 stop6h 02m
Tue 10/202:39 pm -
2 stops30h 06m
Deal found 8/27![Frontier logo]()
$282
This Kiwi.com deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/294:27 pm -
1 stop19h 20m
Sun 10/48:29 pm -
1 stop20h 39m
Deal found 8/25![Frontier logo]()
$283
This Frontier deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/254:27 pm -
1 stop5h 53m
Fri 10/210:53 pm -
1 stop12h 49m
Deal found 8/27![Frontier logo]()
$284
This Kiwi.com deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/74:27 pm -
1 stop5h 53m
Mon 10/126:30 am -
2 stops38h 15m
Deal found 8/28![Frontier logo]()
$285
This CheapOair deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/217:45 pm -
1 stop7h 56m
Fri 9/2510:53 pm -
1 stop12h 49m
Deal found 8/28![Frontier logo]()
$286
This Expedia deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/184:27 pm -
1 stop18h 37m
Sat 9/193:30 pm -
1 stop7h 00m
Deal found 8/28![Frontier logo]()
$288
This Kiwi.com deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/254:27 pm -
1 stop5h 53m
Sat 10/33:30 pm -
1 stop7h 00m
Deal found 8/28![Frontier logo]()
$290
This Kiwi.com deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2410:53 am -
1 stop12h 01m
Sun 10/48:29 pm -
2 stops48h 07m
Deal found 8/25![Frontier logo]()
$291
This Kiwi.com deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/154:27 pm -
1 stop5h 53m
Wed 9/167:00 am -
1 stop10h 08m
Deal found 8/24![Frontier logo]()
$292
This Frontier deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1910:53 am -
1 stop9h 56m
Mon 11/1610:45 am -
1 stop6h 27m
Deal found 8/24![Frontier logo]()
$293
Best flights from Seattle to Dallas/Fort WorthDiscover carefully curated flight deals from Seattle to Dallas/Fort Worth that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 29, 2026.
Discover carefully curated flight deals from Seattle to Dallas/Fort Worth that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 29, 2026.
This Alaska Airlines deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1712:25 am -
Nonstop3h 54m
Tue 12/16:00 am -
Nonstop4h 19m
Deal found 8/28![Alaska Airlines logo]()
$337
This Delta deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/189:25 am -
Nonstop3h 56m
Sun 11/226:30 am -
Nonstop4h 33m
Deal found 8/28![Delta logo]()
$377
This United Airlines deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/912:00 pm -
1 stop7h 48m
Sun 10/115:45 am -
1 stop6h 16m
Deal found 8/27![United Airlines logo]()
$410
This Alaska Airlines deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/16:00 am -
Nonstop3h 59m
Fri 10/97:34 pm -
Nonstop4h 28m
Deal found 8/28![Alaska Airlines logo]()
$350
This Delta deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/45:40 pm -
Nonstop4h 04m
Wed 10/76:30 am -
Nonstop4h 28m
Deal found 8/28![Delta logo]()
$377
This Alaska Airlines deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/218:49 pm -
1 stop13h 53m
Sat 9/261:51 pm -
2 stops8h 41m
Deal found 8/25![Alaska Airlines logo]()
$363
This Delta deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/255:55 pm -
Nonstop4h 02m
Sat 10/316:30 am -
Nonstop4h 28m
Deal found 8/27![Delta logo]()
$377
This Alaska Airlines deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/167:40 am -
1 stop8h 33m
Tue 9/221:51 pm -
2 stops8h 41m
Deal found 8/26![Alaska Airlines logo]()
$373
This Delta deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/299:35 am -
Nonstop4h 08m
Sun 10/45:35 pm -
Nonstop4h 25m
Deal found 8/25![Delta logo]()
$377
This Alaska Airlines deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/91:00 pm -
1 stop8h 14m
Sun 12/138:36 pm -
Nonstop4h 21m
Deal found 8/25![Alaska Airlines logo]()
$380
This Alaska Airlines deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1910:59 am -
Nonstop4h 06m
Fri 11/209:20 am -
Nonstop4h 40m
Deal found 8/28![Alaska Airlines logo]()
$407
This Alaska Airlines deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/81:00 pm -
1 stop8h 14m
Thu 12/177:28 am -
1 stop9h 46m
Deal found 8/26![Alaska Airlines logo]()
$420
Last-minute flights from Seattle to Dallas/Fort WorthDiscover last-minute flight deals from Seattle to Dallas/Fort Worth. Data last updated August 29, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Dallas/Fort Worth. Data last updated August 29, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/144:27 pm -
1 stop19h 20m
Wed 9/168:29 pm -
1 stop20h 39m
Deal found 8/25![Frontier logo]()
$299
This Kiwi.com deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/154:27 pm -
1 stop5h 53m
Wed 9/167:00 am -
1 stop10h 08m
Deal found 8/24![Frontier logo]()
$292
This Expedia deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/184:27 pm -
1 stop18h 37m
Sat 9/193:30 pm -
1 stop7h 00m
Deal found 8/28![Frontier logo]()
$288
This Frontier deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1910:53 am -
1 stop9h 56m
Mon 11/1610:45 am -
1 stop6h 27m
Deal found 8/24![Frontier logo]()
$293
This CheapOair deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/217:45 pm -
1 stop7h 56m
Fri 9/2510:53 pm -
1 stop12h 49m
Deal found 8/28![Frontier logo]()
$286
This Expedia deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/224:27 pm -
1 stop5h 53m
Sat 10/36:03 am -
Nonstop4h 26m
Deal found 8/27![Multiple Airlines logo]()
$298
This Kiwi.com deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2410:53 am -
1 stop12h 01m
Sun 10/48:29 pm -
2 stops48h 07m
Deal found 8/25![Frontier logo]()
$291
This Frontier deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/254:27 pm -
1 stop5h 53m
Fri 10/210:53 pm -
1 stop12h 49m
Deal found 8/27![Frontier logo]()
$284
This Kiwi.com deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/254:27 pm -
1 stop5h 53m
Sat 10/33:30 pm -
1 stop7h 00m
Deal found 8/28![Frontier logo]()
$290
This Kiwi.com deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/294:27 pm -
1 stop19h 20m
Sun 10/48:29 pm -
1 stop20h 39m
Deal found 8/25![Frontier logo]()
$283
One-way flights from Seattle to Dallas/Fort WorthSearch for one-way flight options from Seattle to Dallas/Fort Worth. Find affordable one-way fares based on user searches. Data last updated August 29, 2026.
Search for one-way flight options from Seattle to Dallas/Fort Worth. Find affordable one-way fares based on user searches. Data last updated August 29, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/18:15 pm -
2 stops21h 09m
Deal found 8/27![Frontier logo]()
$166
This Kiwi.com deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/244:27 pm -
2 stops10h 51m
Deal found 8/26![Frontier logo]()
$167
This Kiwi.com deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/208:15 pm -
2 stops39h 32m
Deal found 8/27![Frontier logo]()
$168
This Alaska Airlines deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/266:00 am -
Nonstop3h 59m
Deal found 8/27![Alaska Airlines logo]()
$169
This Kiwi.com deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/254:27 pm -
1 stop15h 10m
Deal found 8/27![Frontier logo]()
$170
This Kiwi.com deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/910:53 am -
1 stop11h 26m
Deal found 8/28![Frontier logo]()
$173
This Frontier deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/278:15 pm -
1 stop7h 56m
Deal found 8/27![Frontier logo]()
$174
This Kiwi.com deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1510:57 am -
2 stops11h 23m
Deal found 8/26![Frontier logo]()
$175
This Kiwi.com deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/259:45 pm -
2 stops24h 35m
Deal found 8/28![Frontier logo]()
$176
This Super.com deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/118:00 pm -
1 stop7h 20m
Deal found 8/28![Frontier logo]()
$177
Find flight deals from Seattle to Dallas/Fort Worth
Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Dallas/Fort Worth (DFW). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated August 29, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $281 (CheapOair) |
One-way from | $166 (Kiwi.com) |
Popular in | July |
Cheapest in | January |
Average price | $424 |
Good round-trip deal | $402 or less |
Good one-way deal | $252 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Seattle to Dallas/Fort Worth that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated August 29, 2026.
Use the filters below to find and compare flights from Seattle to Dallas/Fort Worth Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
SeattleDallas
SEA Seattle/Tacoma Intl - DFW Dallas/Fort Worth
SEADFW
Seattle/Tacoma Intl
Tue 11/17
12:25 am-6:19 am
Nonstop3h 54m
Dallas/Fort Worth
Tue 12/1
6:00 am-8:19 am
Nonstop4h 19m
$337
SeattleDallas
SEA Seattle/Tacoma Intl - DFW Dallas/Fort Worth
SEADFW
Seattle/Tacoma Intl
Thu 10/1
6:00 am-11:59 am
Nonstop3h 59m
Dallas/Fort Worth
Fri 10/9
7:34 pm-10:02 pm
Nonstop4h 28m
$350
SeattleDallas
SEA Seattle/Tacoma Intl - DFW Dallas/Fort Worth
SEADFW
Seattle/Tacoma Intl
Mon 9/21
8:49 pm-12:42 pm
1 stop13h 53m
Dallas/Fort Worth
Sat 9/26
1:51 pm-8:32 pm
2 stops8h 41m
$363
SeattleDallas
SEA Seattle/Tacoma Intl - DFW Dallas/Fort Worth
SEADFW
Seattle/Tacoma Intl
Wed 9/16
7:40 am-6:13 pm
1 stop8h 33m
Dallas/Fort Worth
Tue 9/22
1:51 pm-8:32 pm
2 stops8h 41m
$373
SeattleDallas
SEA Seattle/Tacoma Intl - DFW Dallas/Fort Worth
SEADFW
Seattle/Tacoma Intl
Wed 11/18
9:25 am-3:21 pm
Nonstop3h 56m
Dallas/Fort Worth
Sun 11/22
6:30 am-9:03 am
Nonstop4h 33m
$377
SeattleDallas
SEA Seattle/Tacoma Intl - DFW Dallas/Fort Worth
SEADFW
Seattle/Tacoma Intl
Sun 10/4
5:40 pm-11:44 pm
Nonstop4h 04m
Dallas/Fort Worth
Wed 10/7
6:30 am-8:58 am
Nonstop4h 28m
$377
SeattleDallas
SEA Seattle/Tacoma Intl - DFW Dallas/Fort Worth
SEADFW
Seattle/Tacoma Intl
Sun 10/25
5:55 pm-11:57 pm
Nonstop4h 02m
Dallas/Fort Worth
Sat 10/31
6:30 am-8:58 am
Nonstop4h 28m
$377
SeattleDallas
SEA Seattle/Tacoma Intl - DFW Dallas/Fort Worth
SEADFW
Seattle/Tacoma Intl
Tue 9/29
9:35 am-3:43 pm
Nonstop4h 08m
Dallas/Fort Worth
Sun 10/4
5:35 pm-8:00 pm
Nonstop4h 25m
$377
SeattleDallas
SEA Seattle/Tacoma Intl - DFW Dallas/Fort Worth
SEADFW
Seattle/Tacoma Intl
Wed 12/9
1:00 pm-11:14 pm
1 stop8h 14m
Dallas/Fort Worth
Sun 12/13
8:36 pm-10:57 pm
Nonstop4h 21m
$380
SeattleDallas
SEA Seattle/Tacoma Intl - DFW Dallas/Fort Worth
SEADFW
Seattle/Tacoma Intl
Thu 11/19
10:59 am-5:05 pm
Nonstop4h 06m
Dallas/Fort Worth
Fri 11/20
9:20 am-12:00 pm
Nonstop4h 40m
$407
Showing 1-10 of 22 resultsSorted by cheapest first
Compare providers for flights from Seattle to Dallas/Fort Worth
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Seattle to Dallas/Fort Worth in August.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy- | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Seattle-Dallas/Fort Worth Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-Dallas/Fort Worth Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seattle-Dallas/Fort Worth Airport flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Seattle-Dallas/Fort Worth Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Seattle-Dallas/Fort Worth Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Seattle to Dallas/Fort Worth
Have a flexible travel schedule? Discover the best time to fly to Dallas/Fort Worth from Seattle with our price prediction graph.
SEA-DFW
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Seattle to Dallas/Fort Worth Airport
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How far ahead should I book a flight from Seattle to Dallas/Fort Worth Airport?
Booking 80 days in advance of your planned departure date is, on average, the best time to get cheap flights from Seattle to Dallas/Fort Worth Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from Seattle to Dallas/Fort Worth Airport?
Currently, January is the cheapest month in which you can book a flight from Seattle to Dallas/Fort Worth Airport (average of $289). Flying from Seattle to Dallas/Fort Worth Airport in July is currently the most expensive (average of $475). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from SEA to DFW?
Find hourly flight availability from Seattle to Dallas/Fort Worth. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 29, 2026.
One of the essential ways to save on airfare from Seattle to Dallas/Fort Worth Airport is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight in the afternoon could potentially save you up to 27% on airfare.
What is the cheapest day to fly from Seattle to Dallas/Fort Worth Airport?
Use this chart to determine the cheapest time to fly round-trip from Seattle to Dallas/Fort Worth. Price data was last updated on August 22, 2026.
Travelers seeking maximum savings on their Seattle to Dallas/Fort Worth Airport flight should consider departing on Thursday afternoons when fares are most often at their lowest. Saturday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
How often are flights from Seattle to Dallas delayed?
About 14% of weekly flights between Seattle and Dallas have experienced delays in the past year, with the average delay time being 151 minutes.
What is the most punctual flight time for Seattle to Dallas flights?
Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Tuesday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Seattle to Dallas flights?
Over the last year, Alaska Airlines have had the lowest number of delays on this route, with just 12% of flights being delayed.
What’s the top layover airport for flights from Seattle to Dallas/Fort Worth Airport?
Share of 1-stop round-trip flights from Seattle to Dallas/Fort Worth Airport chosen by Cheapflights users in the past 12 months, using the same layover each way.
Denver (DEN) – chosen by Cheapflights users on 71% of 1-stop itineraries from Seattle to Dallas/Fort Worth Airport on Cheapflights.
What’s the cheapest layover airport for flights from Seattle to Dallas/Fort Worth Airport?
Average round-trip fare for 1-stop flights from Seattle to Dallas/Fort Worth Airport, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Las Vegas (LAS) is the most affordable 1-stop option, with an average round-trip price of $295.
What’s the fastest layover option from Seattle to Dallas/Fort Worth Airport?
Shortest average travel time for 1-stop one-way flights from Seattle to Dallas/Fort Worth Airport, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Las Vegas (LAS) have the shortest average one-way travel time for 1-stop routes: 6h 50m.
Which airport typically offers the quickest layover for flights from Seattle to Dallas/Fort Worth Airport?
Average layover duration for 1-stop one-way flights from Seattle to Dallas/Fort Worth Airport, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Las Vegas (LAS) offer the fastest connection on this route, with an average layover time of 4h 42m.
The best insider tips for Seattle to Dallas/Fort Worth Airport flights
AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Seattle to Dallas/Fort Worth Airport trip
Our travel experts
Reviews of airlines servicing Dallas/Fort Worth
Get insights into the airlines that provide service to Dallas/Fort Worth. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Dallas/Fort Worth. Reviews last updated August 29, 2026.
Read reviews from past customers who have flown Southwest,Alaska Airlines, andDelta from Seattle to Dallas/Fort Worth Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Food
7.0
Overall
8.0
Comfort
8.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Food
7.0
Overall
8.0
Comfort
8.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Food
7.0
Overall
8.0
Comfort
8.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Food
7.0
Overall
8.0
Comfort
8.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Food
7.0
Overall
8.0
Comfort
8.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Food
7.0
Overall
8.0
Comfort
8.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Related info for your journey
Find useful and relevant information for your journey from Seattle to Dallas/Fort Worth. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Dallas/Fort Worth Airport?
Book flights to Dallas/Fort Worth Airport if you plan to visit one of these locationsFrisco
Fort Worth
Arlington
Rockwall
Richardson
Plano
Denton
Durant
Garland
Grapevine
Lewisville
Burleson
Mansfield
Allen
Hillsboro
Sherman
Canton
Corsicana
Stephenville
Corinth
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Seattle and Dallas/Fort Worth flights
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Top 7 airlines flying from Seattle to Dallas/Fort Worth
Discover the top 7 airlines that operate flights from Seattle to Dallas/Fort Worth. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated August 29, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$80 | Average$266 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$109 | Average$297 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$167 | Average$354 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$184 | Average$407 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$187 | Average$352 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$203 | Average$408 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$249 | Average$426 | FlexibilityNo cancel fee | On-time69% |