$158+ Cheap flights from Seattle (SEA) to Dallas
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 9/8. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — DFW
Sep 3 — Sep 101
Round-trip
1 adult, Economy
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Find cheap flights from Seattle to Dallas 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 are usually found in January or October, booked 90 days in advance, depart on a Thursday or Wednesday and return on a Saturday
Cheap flight deals from Seattle to Dallas
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Cheapest flights from Seattle to DallasExplore the most affordable flight options available from Seattle to Dallas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 4, 2026.
Explore the most affordable flight options available from Seattle to Dallas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 4, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/3. 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 10/119:16 pm -
1 stop25h 39m
Wed 10/146:48 pm -
1 stop17h 03m
Deal found 8/3![Frontier logo]()
$279
This Kiwi.com deal was found by Cheapflights users on 8/2. 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 10/24:27 pm -
1 stop5h 53m
Sat 10/106:14 pm -
Nonstop4h 25m
Deal found 8/2![Multiple Airlines logo]()
$281
This Trip.com deal was found by Cheapflights users on 8/1. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/288:40 am -
Nonstop4h 06m
Tue 9/15:59 pm -
Nonstop4h 22m
Deal found 8/1![Alaska Airlines logo]()
$282
This Southwest deal was found by Cheapflights users on 8/1. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/97:10 am -
1 stop6h 10m
Wed 9/3011:45 am -
2 stops8h 25m
Deal found 8/1![Southwest logo]()
$282
This Frontier deal was found by Cheapflights users on 8/1. 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.
Tue 9/810:34 am -
1 stop11h 08m
Tue 9/1510:59 pm -
1 stop12h 43m
Deal found 8/1![Frontier logo]()
$283
This Kiwi.com deal was found by Cheapflights users on 7/31. 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 8/187:06 pm -
1 stop11h 03m
Tue 8/255:48 am -
1 stop9h 34m
Deal found 7/31![Frontier logo]()
$284
This Kiwi.com deal was found by Cheapflights users on 7/31. 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 9/114:27 pm -
1 stop5h 53m
Mon 9/141:02 pm -
Nonstop4h 23m
Deal found 7/31![Multiple Airlines logo]()
$285
This Expedia deal was found by Cheapflights users on 7/31. 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.
Sun 8/3010:58 pm -
Nonstop4h 02m
Thu 9/37:32 am -
1 stop14h 30m
Deal found 7/31![Multiple Airlines logo]()
$286
This Delta deal was found by Cheapflights users on 8/2. 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.
Fri 8/289:15 am -
Nonstop3h 58m
Tue 9/15:00 pm -
Nonstop4h 27m
Deal found 8/2![Delta logo]()
$287
This Southwest deal was found by Cheapflights users on 8/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/31:30 pm -
Nonstop3h 55m
Tue 9/89:00 am -
Nonstop4h 15m
Deal found 8/2![Southwest logo]()
$287
This Frontier deal was found by Cheapflights users on 7/31. 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 8/217:06 pm -
1 stop11h 03m
Sat 8/297:35 am -
1 stop12h 16m
Deal found 7/31![Frontier logo]()
$288
This Southwest deal was found by Cheapflights users on 7/30. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/217:30 am -
2 stops12h 40m
Mon 10/267:10 pm -
1 stop8h 25m
Deal found 7/30![Southwest logo]()
$288
Best flights from Seattle to DallasDiscover carefully curated flight deals from Seattle to Dallas that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 4, 2026.
Discover carefully curated flight deals from Seattle to Dallas that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 4, 2026.
This Delta deal was found by Cheapflights users on 8/1. 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 10/145:55 pm -
Nonstop4h 02m
Sun 10/187:15 am -
Nonstop4h 28m
Deal found 8/1![Delta logo]()
$287
This Alaska Airlines deal was found by Cheapflights users on 7/31. 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.
Sun 9/66:00 am -
Nonstop3h 59m
Mon 9/145:59 pm -
Nonstop4h 22m
Deal found 7/31![Alaska Airlines logo]()
$287
This Southwest deal was found by Cheapflights users on 8/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/3111:00 pm -
1 stop7h 05m
Tue 9/89:00 am -
Nonstop4h 15m
Deal found 8/2![Southwest logo]()
$297
This United Airlines deal was found by Cheapflights users on 8/2. 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.
Wed 9/28:40 am -
2 stops10h 58m
Mon 9/75:15 am -
2 stops8h 29m
Deal found 8/2![United Airlines logo]()
$417
This Alaska Airlines deal was found by Cheapflights users on 8/2. 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 9/221:53 pm -
Nonstop4h 04m
Wed 9/301:51 pm -
1 stop7h 01m
Deal found 8/2![Alaska Airlines logo]()
$290
This Delta deal was found by Cheapflights users on 7/30. 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.
Thu 8/205:55 pm -
Nonstop4h 00m
Wed 8/265:00 pm -
Nonstop4h 27m
Deal found 7/30![Delta logo]()
$318
This Southwest deal was found by Cheapflights users on 8/1. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/161:40 pm -
Nonstop4h 00m
Sun 9/207:30 am -
1 stop7h 45m
Deal found 8/1![Southwest logo]()
$337
This Southwest deal was found by Cheapflights users on 7/31. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/286:30 am -
2 stops8h 30m
Tue 9/111:45 am -
2 stops8h 25m
Deal found 7/31![Southwest logo]()
$347
This Delta deal was found by Cheapflights users on 8/3. 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.
Thu 10/155:55 pm -
Nonstop4h 02m
Sun 10/187:15 am -
Nonstop4h 28m
Deal found 8/3![Delta logo]()
$380
This Southwest deal was found by Cheapflights users on 8/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2412:55 pm -
2 stops8h 05m
Mon 9/286:00 am -
2 stops7h 50m
Deal found 8/2![Southwest logo]()
$347
This Alaska Airlines deal was found by Cheapflights users on 8/1. 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 9/107:18 am -
2 stops10h 40m
Tue 9/221:51 pm -
1 stop7h 01m
Deal found 8/1![Alaska Airlines logo]()
$383
This Delta deal was found by Cheapflights users on 7/30. 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.
Mon 8/249:15 am -
Nonstop3h 58m
Fri 8/281:24 pm -
1 stop10h 41m
Deal found 7/30![Delta logo]()
$382
This Alaska Airlines deal was found by Cheapflights users on 8/3. 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 10/1011:06 am -
Nonstop4h 05m
Tue 10/133:25 pm -
1 stop9h 08m
Deal found 8/3![Alaska Airlines logo]()
$395
This Southwest deal was found by Cheapflights users on 8/3. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/62:15 pm -
Nonstop3h 55m
Thu 10/87:30 am -
Nonstop4h 20m
Deal found 8/3![Southwest logo]()
$360
This Southwest deal was found by Cheapflights users on 8/3. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/301:40 pm -
Nonstop4h 00m
Sun 10/47:30 am -
Nonstop4h 20m
Deal found 8/3![Southwest logo]()
$377
This Alaska Airlines deal was found by Cheapflights users on 8/2. 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 8/198:40 am -
Nonstop4h 06m
Tue 8/255:59 pm -
Nonstop4h 22m
Deal found 8/2![Alaska Airlines logo]()
$432
This Southwest deal was found by Cheapflights users on 8/3. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/257:10 am -
1 stop8h 30m
Wed 9/212:00 pm -
1 stop9h 10m
Deal found 8/3![Southwest logo]()
$380
This Southwest deal was found by Cheapflights users on 8/3. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/166:25 am -
2 stops7h 20m
Sat 9/195:35 pm -
1 stop7h 25m
Deal found 8/3![Southwest logo]()
$382
This Southwest deal was found by Cheapflights users on 8/3. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1712:50 pm -
2 stops8h 10m
Mon 9/2111:15 am -
2 stops8h 20m
Deal found 8/3![Southwest logo]()
$393
This Southwest deal was found by Cheapflights users on 8/3. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/911:35 am -
1 stop7h 35m
Sun 10/117:30 am -
Nonstop4h 20m
Deal found 8/3![Southwest logo]()
$407
Last-minute flights from Seattle to DallasDiscover last-minute flight deals from Seattle to Dallas. Data last updated August 4, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Dallas. Data last updated August 4, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 7/31. 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 8/187:06 pm -
1 stop11h 03m
Tue 8/255:48 am -
1 stop9h 34m
Deal found 7/31![Frontier logo]()
$284
This Kiwi.com deal was found by Cheapflights users on 8/1. 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 8/192:37 pm -
1 stop15h 32m
Tue 8/255:48 am -
1 stop9h 34m
Deal found 8/1![Frontier logo]()
$289
This Frontier deal was found by Cheapflights users on 7/31. 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 8/217:06 pm -
1 stop11h 03m
Sat 8/297:35 am -
1 stop12h 16m
Deal found 7/31![Frontier logo]()
$288
This Trip.com deal was found by Cheapflights users on 8/1. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/288:40 am -
Nonstop4h 06m
Tue 9/15:59 pm -
Nonstop4h 22m
Deal found 8/1![Alaska Airlines logo]()
$282
This Delta deal was found by Cheapflights users on 8/2. 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.
Fri 8/289:15 am -
Nonstop3h 58m
Tue 9/15:00 pm -
Nonstop4h 27m
Deal found 8/2![Delta logo]()
$287
This Southwest deal was found by Cheapflights users on 8/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/295:00 am -
1 stop9h 40m
Tue 9/111:45 am -
2 stops8h 25m
Deal found 8/2![Southwest logo]()
$288
This Expedia deal was found by Cheapflights users on 7/31. 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.
Sun 8/3010:58 pm -
Nonstop4h 02m
Thu 9/37:32 am -
1 stop14h 30m
Deal found 7/31![Multiple Airlines logo]()
$286
This Southwest deal was found by Cheapflights users on 8/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/31:30 pm -
Nonstop3h 55m
Tue 9/89:00 am -
Nonstop4h 15m
Deal found 8/2![Southwest logo]()
$287
This Trip.com deal was found by Cheapflights users on 8/3. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/57:06 pm -
1 stop11h 03m
Fri 9/119:03 pm -
Nonstop4h 20m
Deal found 8/3![Multiple Airlines logo]()
$281
This Frontier deal was found by Cheapflights users on 8/1. 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.
Tue 9/810:34 am -
1 stop11h 08m
Tue 9/1510:59 pm -
1 stop12h 43m
Deal found 8/1![Frontier logo]()
$283
This Southwest deal was found by Cheapflights users on 8/1. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/97:10 am -
1 stop6h 10m
Wed 9/3011:45 am -
2 stops8h 25m
Deal found 8/1![Southwest logo]()
$282
This Kiwi.com deal was found by Cheapflights users on 7/31. 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 9/114:27 pm -
1 stop5h 53m
Mon 9/141:02 pm -
Nonstop4h 23m
Deal found 7/31![Multiple Airlines logo]()
$285
One-way flights from Seattle to DallasSearch for one-way flight options from Seattle to Dallas. Find affordable one-way fares based on user searches. Data last updated August 4, 2026.
Search for one-way flight options from Seattle to Dallas. Find affordable one-way fares based on user searches. Data last updated August 4, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/3. 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 9/88:48 pm -
2 stops23h 15m
Deal found 8/3![Frontier logo]()
$158
This Delta deal was found by Cheapflights users on 7/31. 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 8/309:15 am -
Nonstop3h 58m
Deal found 7/31![Delta logo]()
$159
This Southwest deal was found by Cheapflights users on 7/31. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/31:30 pm -
Nonstop3h 55m
Deal found 7/31![Southwest logo]()
$159
This Kiwi.com deal was found by Cheapflights users on 8/2. 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 9/18:48 pm -
2 stops22h 31m
Deal found 8/2![Frontier logo]()
$160
This Super.com deal was found by Cheapflights users on 8/3. 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.
Fri 9/41:35 pm -
1 stop6h 09m
Deal found 8/3![Frontier logo]()
$161
This Kiwi.com deal was found by Cheapflights users on 8/3. 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 9/1710:53 am -
2 stops16h 48m
Deal found 8/3![Frontier logo]()
$162
This Kiwi.com deal was found by Cheapflights users on 7/31. 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 9/3010:53 am -
2 stops10h 06m
Deal found 7/31![Frontier logo]()
$163
This Southwest deal was found by Cheapflights users on 7/30. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/285:00 am -
1 stop6h 05m
Deal found 7/30![Southwest logo]()
$164
This Kiwi.com deal was found by Cheapflights users on 7/30. 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 8/148:53 pm -
1 stop12h 04m
Deal found 7/30![Frontier logo]()
$165
This Super.com deal was found by Cheapflights users on 8/1. 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 9/610:34 am -
1 stop10h 55m
Deal found 8/1![Frontier logo]()
$166
This Kiwi.com deal was found by Cheapflights users on 7/30. 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 8/188:53 pm -
1 stop12h 04m
Deal found 7/30![Frontier logo]()
$167
This Kiwi.com deal was found by Cheapflights users on 8/3. 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 8/319:29 pm -
2 stops23h 02m
Deal found 8/3![Frontier logo]()
$168
Find flight deals from Seattle to Dallas
Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Dallas (A78). 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 4, 2026.
Round-trip from | $279 (Kiwi.com) |
|---|---|
One-way from | $158 (Kiwi.com) |
Popular in | June |
Cheapest in | January |
Average price | $340 |
Cheapflights Fare Finder
Customize your flight search to find flights from Seattle to Dallas 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 2,558,603 searches. Data last updated August 4, 2026.
Use the filters below to find and compare flights from Seattle to Dallas that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
SeattleDallas
SEA - DFW
SEADFW
Seattle/Tacoma Intl
Wed 10/14
5:55 pm-11:57 pm
Nonstop4h 02m
Dallas/Fort Worth
Sun 10/18
7:15 am-9:43 am
Nonstop4h 28m
$287
SeattleDallas
SEA - DFW
SEADFW
Seattle/Tacoma Intl
Sun 9/6
6:00 am-11:59 am
Nonstop3h 59m
Dallas/Fort Worth
Mon 9/14
5:59 pm-8:21 pm
Nonstop4h 22m
$287
SeattleDallas
SEA - DFW
SEADFW
Seattle/Tacoma Intl
Tue 9/22
1:53 pm-7:57 pm
Nonstop4h 04m
Dallas/Fort Worth
Wed 9/30
1:51 pm-6:52 pm
1 stop7h 01m
$290
SeattleDallas
SEA - DAL
SEADAL
Seattle/Tacoma Intl
Mon 8/31
11:00 pm-8:05 am
1 stop7h 05m
Dallas Love Field
Tue 9/8
9:00 am-11:15 am
Nonstop4h 15m
$297
SeattleDallas
SEA - DFW
SEADFW
Seattle/Tacoma Intl
Thu 8/20
5:55 pm-11:55 pm
Nonstop4h 00m
Dallas/Fort Worth
Wed 8/26
5:00 pm-7:27 pm
Nonstop4h 27m
$318
SeattleDallas
SEA - DAL
SEADAL
Seattle/Tacoma Intl
Wed 9/16
1:40 pm-7:40 pm
Nonstop4h 00m
Dallas Love Field
Sun 9/20
7:30 am-1:15 pm
1 stop7h 45m
$337
SeattleDallas
SEA - DAL
SEADAL
Seattle/Tacoma Intl
Fri 8/28
6:30 am-5:00 pm
2 stops8h 30m
Dallas Love Field
Tue 9/1
11:45 am-6:10 pm
2 stops8h 25m
$347
SeattleDallas
SEA - DAL
SEADAL
Seattle/Tacoma Intl
Thu 9/24
12:55 pm-11:00 pm
2 stops8h 05m
Dallas Love Field
Mon 9/28
6:00 am-11:50 am
2 stops7h 50m
$347
Quickest round-trip
SeattleDallas
SEA - DAL
SEADAL
Seattle/Tacoma Intl
Tue 10/6
2:15 pm-8:10 pm
Nonstop3h 55m
Dallas Love Field
Thu 10/8
7:30 am-9:50 am
Nonstop4h 20m
$360
SeattleDallas
SEA - DAL
SEADAL
Seattle/Tacoma Intl
Wed 9/30
1:40 pm-7:40 pm
Nonstop4h 00m
Dallas Love Field
Sun 10/4
7:30 am-9:50 am
Nonstop4h 20m
$377
Showing 1-10 of 39 resultsSorted by cheapest first
Best time to book a flight from Seattle to Dallas
Have a flexible travel schedule? Discover the best time to fly to Dallas from Seattle with our price prediction graph.
SEA-A78
SEA-DFW
SEA-DAL
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
SEA-A78
SEA-DFW
SEA-DAL
What is the cheapest month to book a flight from Seattle to Dallas?
Currently, January is the cheapest month in which you can book a flight from Seattle to Dallas (average of $291). Flying from Seattle to Dallas in July is currently the most expensive (average of $480). 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. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 4, 2026.
One of the essential ways to save on airfare from Seattle to Dallas 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 25% on airfare.
Weekly flight availability from Seattle to Dallas
Explore weekly flight availability from Seattle to Dallas. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated August 4, 2026.
The most flights from SEA to A78 are scheduled on a Monday (49 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (5 on average).
How much does it cost to fly round-trip from Seattle to Dallas?
Airfare is typical for this route at the moment.
Seattle to Dallas flights typically cost between $249 and $435 in October.The cheapest round-trip price found within the last 5 days was $279 on Frontier (Oct 11-Oct 14).
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 150 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.
How far ahead should I book a flight from Seattle to Dallas?
To ensure you get the cheapest price possible for a flight from Seattle to Dallas, you should look to book at least 89 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest day to fly from Seattle to Dallas?
Use this chart to determine the cheapest time to fly round-trip from Seattle to Dallas. Price data was last updated on April 25, 2026.
Travelers seeking maximum savings on their Seattle to Dallas flight should consider departing on Wednesday mornings 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.
The best insider tips for Seattle to Dallas 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 trip
Our travel experts
Reviews of airlines servicing Dallas
Get insights into the airlines that provide service to Dallas. 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. Reviews last updated August 4, 2026.
See what other customers who have flown with Southwest,Alaska Airlines, andDelta from Seattle to Dallas have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
8.0
Crew
8.6
Food
7.0
Entertainment
7.5
Boarding
8.1
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Comfort
8.0
Crew
8.6
Food
7.0
Entertainment
7.5
Boarding
8.1
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Comfort
8.0
Crew
8.6
Food
7.0
Entertainment
7.5
Boarding
8.1
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Comfort
8.0
Crew
8.6
Food
7.0
Entertainment
7.5
Boarding
8.1
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Comfort
8.0
Crew
8.6
Food
7.0
Entertainment
7.5
Boarding
8.1
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Comfort
8.0
Crew
8.6
Food
7.0
Entertainment
7.5
Boarding
8.1
Overall
8.0
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. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Seattle to Dallas
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Complete your trip
Complete your trip to Dallas by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Seattle to Dallas by cabin class
Find flights from Seattle to Dallas, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Seattle and Dallas flights
Browse other Seattle and Dallas flight options. Last updated on August 4, 2026.
Other flights from Seattle
Browse through other flights departing from Seattle. Flights are based on user searches made on Cheapflights and were last updated on August 4, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 7 airlines flying from Seattle to Dallas
Discover the top 7 airlines that operate flights from Seattle to Dallas. 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 2,558,603 searches. Data last updated August 4, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$86 | Average$250 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$112 | Average$313 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$170 | Average$430 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$186 | Average$482 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$199 | Average$374 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$201 | Average$405 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$249 | Average$426 | FlexibilityNo cancel fee | On-time69% |