$200+ Cheap flights from South Dakota to Washington
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/25. Fares are subject to change and may not be available on all flights or dates of travel.
FSD — SEA
Oct 17 — Oct 241
Round-trip
1 adult, Economy
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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
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Cheapest flights from South Dakota to WashingtonExplore the most affordable flight options available from South Dakota to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2026.
Explore the most affordable flight options available from South Dakota to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2026.
This American Airlines deal was found by Cheapflights users on 9/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/95:58 pm -
1 stop7h 43m
Sat 12/122:24 pm -
1 stop7h 25m
Deal found 9/16![American Airlines logo]()
$321
This United Airlines deal was found by Cheapflights users on 9/16. 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 12/99:24 am -
1 stop5h 52m
Sat 12/128:50 am -
2 stops11h 27m
Deal found 9/16![United Airlines logo]()
$326
This American Airlines deal was found by Cheapflights users on 9/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2812:53 pm -
1 stop10h 18m
Sun 11/15:00 am -
1 stop6h 56m
Deal found 9/16![American Airlines logo]()
$340
This Delta deal was found by Cheapflights users on 9/16. 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 10/218:30 am -
1 stop5h 45m
Wed 10/281:54 pm -
1 stop7h 28m
Deal found 9/16![Delta logo]()
$349
This Delta deal was found by Cheapflights users on 9/16. 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 11/132:23 pm -
1 stop6h 41m
Sat 11/1412:35 am -
1 stop8h 48m
Deal found 9/16![Delta logo]()
$349
This United Airlines deal was found by Cheapflights users on 9/15. 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.
Thu 10/1510:26 am -
1 stop6h 37m
Mon 10/195:00 am -
1 stop6h 26m
Deal found 9/15![United Airlines logo]()
$349
This United Airlines deal was found by Cheapflights users on 9/15. 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 10/147:05 am -
1 stop6h 31m
Sun 10/185:00 am -
1 stop6h 26m
Deal found 9/15![United Airlines logo]()
$357
This Delta deal was found by Cheapflights users on 9/12. 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 10/238:30 am -
2 stops9h 44m
Mon 10/267:25 pm -
2 stops12h 35m
Deal found 9/12![Delta logo]()
$359
This Delta deal was found by Cheapflights users on 9/13. 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 11/225:00 pm -
1 stop8h 57m
Thu 12/311:37 pm -
1 stop8h 40m
Deal found 9/13![Delta logo]()
$359
This United Airlines deal was found by Cheapflights users on 9/16. 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.
Thu 11/55:55 am -
1 stop5h 41m
Sun 11/85:00 am -
1 stop5h 35m
Deal found 9/16![United Airlines logo]()
$359
This United Airlines deal was found by Cheapflights users on 9/16. 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 11/45:55 am -
2 stops10h 44m
Sun 11/85:05 am -
1 stop5h 30m
Deal found 9/16![United Airlines logo]()
$364
This CheapOair deal was found by Cheapflights users on 9/14. 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 9/288:52 pm -
1 stop20h 16m
Thu 10/14:27 pm -
1 stop25h 40m
Deal found 9/14![Frontier logo]()
$365
Best flights from South Dakota to WashingtonDiscover carefully curated flight deals from South Dakota to Washington that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 17, 2026.
Discover carefully curated flight deals from South Dakota to Washington that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 17, 2026.
This Delta deal was found by Cheapflights users on 9/13. 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 11/132:23 pm -
1 stop6h 41m
Sat 11/1412:35 am -
1 stop8h 48m
Deal found 9/13![Delta logo]()
$349
This United Airlines deal was found by Cheapflights users on 9/15. 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.
Thu 11/55:55 am -
1 stop5h 41m
Thu 11/124:25 pm -
1 stop5h 19m
Deal found 9/15![United Airlines logo]()
$359
This Delta deal was found by Cheapflights users on 9/14. 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 10/238:30 am -
1 stop5h 45m
Mon 10/267:25 pm -
2 stops12h 35m
Deal found 9/14![Delta logo]()
$354
This United Airlines deal was found by Cheapflights users on 9/16. 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 10/145:53 pm -
1 stop6h 06m
Sat 10/173:55 pm -
1 stop5h 35m
Deal found 9/16![United Airlines logo]()
$374
This Delta deal was found by Cheapflights users on 9/13. 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 10/238:30 am -
1 stop5h 45m
Sun 10/257:00 am -
1 stop7h 00m
Deal found 9/13![Delta logo]()
$374
This United Airlines deal was found by Cheapflights users on 9/15. 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.
Mon 11/235:06 pm -
1 stop6h 13m
Fri 11/273:49 pm -
1 stop5h 55m
Deal found 9/15![United Airlines logo]()
$392
This Alaska Airlines deal was found by Cheapflights users on 9/12. 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 2/23:13 pm -
2 stops10h 27m
Sat 2/66:15 am -
2 stops11h 05m
Deal found 9/12![Alaska Airlines logo]()
$877
This Delta deal was found by Cheapflights users on 9/14. 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 10/168:30 am -
2 stops11h 59m
Mon 10/197:25 pm -
2 stops12h 35m
Deal found 9/14![Delta logo]()
$385
This United Airlines deal was found by Cheapflights users on 9/14. 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.
Sat 10/247:05 am -
1 stop6h 29m
Wed 10/285:00 am -
1 stop6h 48m
Deal found 9/14![United Airlines logo]()
$419
This Delta deal was found by Cheapflights users on 9/16. 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.
Sat 10/241:00 pm -
2 stops10h 22m
Sat 10/311:54 pm -
1 stop7h 09m
Deal found 9/16![Delta logo]()
$396
This United Airlines deal was found by Cheapflights users on 9/16. 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 1/207:40 am -
2 stops12h 40m
Sat 1/235:15 am -
2 stops11h 18m
Deal found 9/16![United Airlines logo]()
$421
This Delta deal was found by Cheapflights users on 9/13. 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 9/296:48 am -
1 stop6h 49m
Sat 10/36:00 am -
1 stop8h 51m
Deal found 9/13![Delta logo]()
$399
This United Airlines deal was found by Cheapflights users on 9/14. 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 1/205:30 am -
2 stops7h 45m
Sat 1/2312:45 pm -
1 stop5h 23m
Deal found 9/14![United Airlines logo]()
$424
This Delta deal was found by Cheapflights users on 9/16. 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.
Sat 10/241:00 pm -
2 stops10h 22m
Fri 10/309:30 am -
2 stops11h 52m
Deal found 9/16![Delta logo]()
$401
This United Airlines deal was found by Cheapflights users on 9/12. 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.
Sat 12/52:35 pm -
1 stop7h 40m
Tue 12/85:00 am -
1 stop7h 03m
Deal found 9/12![United Airlines logo]()
$429
This United Airlines deal was found by Cheapflights users on 9/16. 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 12/42:35 pm -
1 stop7h 46m
Tue 12/85:05 am -
1 stop6h 58m
Deal found 9/16![United Airlines logo]()
$429
This United Airlines deal was found by Cheapflights users on 9/15. 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 10/166:50 pm -
1 stop6h 09m
Sat 10/171:22 pm -
2 stops8h 22m
Deal found 9/15![United Airlines logo]()
$429
This Delta deal was found by Cheapflights users on 9/12. 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.
Sat 10/106:39 am -
1 stop6h 36m
Sat 10/177:00 am -
1 stop7h 58m
Deal found 9/12![Delta logo]()
$504
This United Airlines deal was found by Cheapflights users on 9/12. 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.
Thu 2/45:30 am -
2 stops7h 53m
Tue 2/96:29 am -
2 stops11h 39m
Deal found 9/12![United Airlines logo]()
$439
This United Airlines deal was found by Cheapflights users on 9/14. 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 10/149:42 am -
2 stops10h 49m
Wed 10/2110:43 am -
2 stops10h 28m
Deal found 9/14![United Airlines logo]()
$440
This United Airlines deal was found by Cheapflights users on 9/14. 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.
Tue 9/297:05 am -
2 stops9h 28m
Sat 10/35:00 am -
1 stop6h 26m
Deal found 9/14![United Airlines logo]()
$445
This United Airlines deal was found by Cheapflights users on 9/13. 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.
Sat 1/3010:00 am -
1 stop10h 24m
Wed 2/38:30 am -
1 stop5h 36m
Deal found 9/13![United Airlines logo]()
$449
This United Airlines deal was found by Cheapflights users on 9/16. 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 11/66:00 am -
2 stops14h 09m
Mon 11/94:25 pm -
1 stop5h 19m
Deal found 9/16![United Airlines logo]()
$454
This United Airlines deal was found by Cheapflights users on 9/12. 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.
Sun 10/255:55 am -
1 stop5h 40m
Tue 11/179:00 am -
2 stops10h 37m
Deal found 9/12![United Airlines logo]()
$470
This United Airlines deal was found by Cheapflights users on 9/13. 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.
Tue 9/294:41 pm -
1 stop5h 29m
Sat 10/31:13 pm -
2 stops8h 17m
Deal found 9/13![United Airlines logo]()
$472
This United Airlines deal was found by Cheapflights users on 9/17. 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 10/287:48 am -
3 stops12h 32m
Sun 11/14:25 pm -
1 stop5h 19m
Deal found 9/17![United Airlines logo]()
$472
This United Airlines deal was found by Cheapflights users on 9/15. 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.
Sat 10/1712:30 pm -
2 stops11h 27m
Sat 10/248:40 am -
1 stop7h 26m
Deal found 9/15![United Airlines logo]()
$485
This United Airlines deal was found by Cheapflights users on 9/15. 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.
Sat 1/305:00 pm -
1 stop6h 07m
Tue 2/212:45 pm -
1 stop6h 01m
Deal found 9/15![United Airlines logo]()
$487
This United Airlines deal was found by Cheapflights users on 9/14. 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 11/41:20 pm -
2 stops9h 27m
Mon 11/910:56 pm -
1 stop9h 36m
Deal found 9/14![United Airlines logo]()
$489
This United Airlines deal was found by Cheapflights users on 9/16. 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.
Tue 10/1311:35 am -
1 stop8h 02m
Tue 10/209:05 am -
2 stops12h 06m
Deal found 9/16![United Airlines logo]()
$489
Last-minute flights from South Dakota to WashingtonDiscover last-minute flight deals from South Dakota to Washington. Data last updated September 17, 2026 and is based on user searches.
Discover last-minute flight deals from South Dakota to Washington. Data last updated September 17, 2026 and is based on user searches.
This CheapOair deal was found by Cheapflights users on 9/14. 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 9/288:52 pm -
1 stop20h 16m
Thu 10/14:27 pm -
1 stop25h 40m
Deal found 9/14![Frontier logo]()
$365
This United Airlines deal was found by Cheapflights users on 9/15. 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 10/147:05 am -
1 stop6h 31m
Sun 10/185:00 am -
1 stop6h 26m
Deal found 9/15![United Airlines logo]()
$357
This United Airlines deal was found by Cheapflights users on 9/15. 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.
Thu 10/1510:26 am -
1 stop6h 37m
Mon 10/195:00 am -
1 stop6h 26m
Deal found 9/15![United Airlines logo]()
$349
This United Airlines deal was found by Cheapflights users on 9/16. 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 10/164:41 pm -
1 stop7h 12m
Fri 10/235:00 am -
1 stop6h 26m
Deal found 9/16![United Airlines logo]()
$349
This United Airlines deal was found by Cheapflights users on 9/16. 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 10/166:50 pm -
1 stop6h 09m
Sat 10/171:56 pm -
1 stop7h 15m
Deal found 9/16![United Airlines logo]()
$359
This American Airlines deal was found by Cheapflights users on 9/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/175:04 pm -
1 stop7h 35m
Sat 10/246:30 am -
1 stop8h 55m
Deal found 9/15![American Airlines logo]()
$370
This Delta deal was found by Cheapflights users on 9/16. 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 10/218:30 am -
1 stop5h 45m
Sun 11/17:00 am -
1 stop7h 00m
Deal found 9/16![Delta logo]()
$349
This Delta deal was found by Cheapflights users on 9/16. 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 10/218:30 am -
1 stop5h 45m
Mon 10/267:25 pm -
2 stops12h 35m
Deal found 9/16![Delta logo]()
$354
This Delta deal was found by Cheapflights users on 9/13. 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 10/238:30 am -
2 stops9h 44m
Mon 10/267:25 pm -
2 stops12h 35m
Deal found 9/13![Delta logo]()
$359
This United Airlines deal was found by Cheapflights users on 9/15. 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 10/289:32 am -
1 stop5h 50m
Sat 10/315:00 am -
1 stop5h 35m
Deal found 9/15![United Airlines logo]()
$321
This American Airlines deal was found by Cheapflights users on 9/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2812:53 pm -
1 stop10h 18m
Sun 11/15:00 am -
1 stop6h 56m
Deal found 9/16![American Airlines logo]()
$340
This United Airlines deal was found by Cheapflights users on 9/16. 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 10/285:55 am -
2 stops10h 42m
Sun 11/14:25 pm -
1 stop5h 19m
Deal found 9/16![United Airlines logo]()
$369
One-way flights from South Dakota to WashingtonSearch for one-way flight options from South Dakota to Washington. Find affordable one-way fares based on user searches. Data last updated September 17, 2026.
Search for one-way flight options from South Dakota to Washington. Find affordable one-way fares based on user searches. Data last updated September 17, 2026.
This Trip.com deal was found by Cheapflights users on 9/15. 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 9/258:52 pm -
1 stop20h 16m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Frontier logo]()
$200
This Kiwi.com deal was found by Cheapflights users on 9/17. 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 10/28:52 pm -
1 stop20h 16m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Frontier logo]()
$210
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 10/185:35 pm -
2 stops50h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Multiple Airlines logo]()
$216
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 10/152:35 pm -
1 stop20h 13m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Multiple Airlines logo]()
$217
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 10/43:50 pm -
1 stop18h 52m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Multiple Airlines logo]()
$219
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 10/2911:46 am -
1 stop23h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Multiple Airlines logo]()
$224
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 10/1610:06 pm -
2 stops21h 39m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Multiple Airlines logo]()
$226
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 10/38:43 pm -
2 stops43h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Multiple Airlines logo]()
$227
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 10/115:35 pm -
1 stop17h 13m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Multiple Airlines logo]()
$229
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 10/199:19 pm -
2 stops18h 53m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Multiple Airlines logo]()
$235
This Kiwi.com deal was found by Cheapflights users on 9/12. 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 10/251:56 pm -
1 stop21h 52m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![Multiple Airlines logo]()
$238
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 10/152:35 pm -
1 stop22h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Multiple Airlines logo]()
$268
Find flight deals from South Dakota to Washington
Keep the following information in mind while searching for South Dakota to Washington flight deals. Data was last updated September 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $321 (American Airlines) |
One-way from | $200 (Trip.com) |
Popular in | July |
Cheapest in | January |
Average price | $436 |
Cheapflights Fare Finder
Customize your flight search to find flights from South Dakota to Washington 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 September 17, 2026.
Use the filters below to find and compare flights from South Dakota to Washington that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Sioux FallsSeattle
FSD Sioux Falls Joe Foss Field - SEA Seattle/Tacoma Intl
FSDSEA
Sioux Falls Joe Foss Field
Fri 9/25
8:52 pm-3:08 pm
1 stop20h 16m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$200
Sioux FallsSeattle
FSD Sioux Falls Joe Foss Field - SEA Seattle/Tacoma Intl
FSDSEA
Sioux Falls Joe Foss Field
Thu 10/29
11:46 am-9:45 am
1 stop23h 59m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$224
Sioux FallsSeattle
FSD Sioux Falls Joe Foss Field - SEA Seattle/Tacoma Intl
FSDSEA
Sioux Falls Joe Foss Field
Sun 10/25
1:56 pm-9:48 am
1 stop21h 52m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$238
Rapid CitySeattle
RAP Rapid City - SEA Seattle/Tacoma Intl
RAPSEA
Rapid City
Tue 10/20
6:39 am-12:30 pm
1 stop6h 51m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$253
Rapid CityPortland
RAP Rapid City - PDX Portland
RAPPDX
Rapid City
Thu 10/15
2:35 pm-11:40 am
1 stop22h 05m
Portland
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$268
Rapid CitySeattle
RAP Rapid City - SEA Seattle/Tacoma Intl
RAPSEA
Rapid City
Sat 10/31
10:24 am-7:44 pm
1 stop10h 20m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$273
Rapid CitySeattle
RAP Rapid City - SEA Seattle/Tacoma Intl
RAPSEA
Rapid City
Fri 10/16
4:38 pm-11:59 pm
1 stop8h 21m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$273
Rapid CitySeattle
RAP Rapid City - SEA Seattle/Tacoma Intl
RAPSEA
Rapid City
Sat 10/31
11:12 am-6:46 pm
2 stops8h 34m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$278
Quickest round-trip
Rapid CitySpokane
RAP Rapid City - GEG Spokane
RAPGEG
Rapid City
Wed 10/21
8:45 am-12:36 pm
1 stop4h 51m
Spokane
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$284
Rapid CitySpokane
RAP Rapid City - GEG Spokane
RAPGEG
Rapid City
Tue 10/20
8:45 am-12:36 pm
1 stop4h 51m
Spokane
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$284
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from South Dakota to Washington
Have a flexible travel schedule? Discover the best time to fly to Washington from South Dakota with our price prediction graph.
FSD-SEA
RAP-SEA
FSD-PDX
RAP-GEG
RAP-PDX
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 South Dakota to Washington
USSD-USWA
FSD-SEA
RAP-SEA
FSD-PDX
RAP-GEG
What is the cheapest month to book a flight from South Dakota to State of Washington?
Currently, April is the cheapest month in which you can book a flight from South Dakota to State of Washington (average of $363). Flying from South Dakota to State of Washington in July is currently the most expensive (average of $643). 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.
How much does it cost to fly round-trip from South Dakota to State of Washington?
Airfare is typical for this route at the moment.
South Dakota to State of Washington flights typically cost between $348 and $550 in November.The cheapest round-trip price found within the last 5 days was $359 on Delta (Nov 22-Dec 4).
How far ahead should I book a flight from South Dakota to State of Washington?
The best time to book flights from South Dakota to State of Washington is 19 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Reviews of airlines servicing Washington
Get insights into the airlines that provide service to Washington. 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 Washington. Reviews last updated September 17, 2026.
Get a feel of what it's like to fly with Delta,United Airlines, andAmerican Airlines from South Dakota to Washington by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.5
Entertainment
7.8
Comfort
7.8
Overall
7.8
Food
7.2
Boarding
8.1
Reviews
1 / 20
4.0
OkayPeter,Oct 2023
MSP - GEG
Crew
8.5
Entertainment
7.8
Comfort
7.8
Overall
7.8
Food
7.2
Boarding
8.1
Reviews
1 / 20
4.0
OkayPeter,Oct 2023
MSP - GEG
Crew
8.5
Entertainment
7.8
Comfort
7.8
Overall
7.8
Food
7.2
Boarding
8.1
Reviews
1 / 20
4.0
OkayPeter,Oct 2023
MSP - GEG
Crew
8.5
Entertainment
7.8
Comfort
7.8
Overall
7.8
Food
7.2
Boarding
8.1
Reviews
1 / 20
4.0
OkayPeter,Oct 2023
MSP - GEG
Related info for your journey
Find useful and relevant information for your journey from South Dakota to Washington. 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 South Dakota to Washington
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Complete your trip
Complete your trip to Washington by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from South Dakota to Washington by cabin class
Find flights from South Dakota to Washington, based on your preferred cabin class, be it economy, premium economy, business, or first class.
South Dakota and Washington flights
Browse other South Dakota and Washington flight options. Last updated on September 17, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Find a return flight route from Washington
Find the right flight back to South Dakota after your stay in Washington
South Dakota to Washington flights
Consider these flights traveling from South Dakota to Washington.
Top 3 airlines flying from South Dakota to Washington
Discover the top 3 airlines that operate flights from South Dakota to Washington. 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 September 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$248 | Average$454 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$269 | Average$444 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$313 | Average$495 | FlexibilityNo cancel fee | On-time71% |