$169+ Cheap flights from Washington to South Dakota
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 11/18. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — FSD
Oct 17 — Oct 241
Round-trip
1 adult, Economy
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Find cheap flights from Washington to South Dakota 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
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Cheapest flights from Washington to South DakotaExplore the most affordable flight options available from Washington to South Dakota. 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 Washington to South Dakota. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2026.
This 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/33:22 pm -
1 stop6h 00m
Sat 11/78:30 am -
1 stop6h 08m
Deal found 9/17![Delta logo]()
$321
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.
Wed 10/145:00 am -
1 stop5h 49m
Sat 10/176:00 am -
2 stops8h 10m
Deal found 9/13![United Airlines logo]()
$326
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/83:22 pm -
1 stop6h 00m
Sat 10/175:00 pm -
1 stop8h 44m
Deal found 9/15![Delta logo]()
$340
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/14:27 pm -
1 stop25h 40m
Mon 10/58:52 pm -
1 stop20h 16m
Deal found 9/15![Frontier logo]()
$340
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.
Wed 11/41:25 pm -
2 stops8h 05m
Wed 11/116:45 am -
1 stop6h 21m
Deal found 9/12![Delta logo]()
$344
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/221:44 pm -
1 stop7h 46m
Fri 10/306:39 am -
1 stop6h 59m
Deal found 9/15![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 11/118:30 am -
1 stop6h 24m
Mon 11/162:23 pm -
1 stop7h 23m
Deal found 9/16![Delta logo]()
$349
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 11/145:00 am -
1 stop5h 35m
Thu 11/269:32 am -
1 stop5h 16m
Deal found 9/12![United Airlines logo]()
$349
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.
Sun 11/224:25 pm -
1 stop5h 05m
Thu 11/265:00 am -
2 stops8h 26m
Deal found 9/13![United Airlines logo]()
$354
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 10/141:19 pm -
2 stops8h 11m
Wed 10/2112:30 pm -
1 stop6h 07m
Deal found 9/15![United Airlines logo]()
$354
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.
Fri 10/232:45 pm -
1 stop7h 11m
Tue 11/106:00 am -
2 stops12h 39m
Deal found 9/16![American Airlines logo]()
$354
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/274:27 pm -
1 stop25h 40m
Mon 10/58:52 pm -
1 stop20h 16m
Deal found 9/13![Frontier logo]()
$354
Best flights from Washington to South DakotaDiscover carefully curated flight deals from Washington to South Dakota 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 Washington to South Dakota that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 17, 2026.
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 11/112:34 pm -
1 stop6h 55m
Sat 11/146:00 am -
1 stop7h 52m
Deal found 9/16![United Airlines logo]()
$321
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/83:22 pm -
1 stop6h 00m
Sat 10/175:00 pm -
1 stop8h 44m
Deal found 9/15![Delta logo]()
$340
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2211:49 pm -
1 stop9h 05m
Fri 10/305:04 pm -
1 stop7h 35m
Deal found 9/12![American Airlines logo]()
$349
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/47:05 am -
1 stop7h 41m
Mon 2/86:55 am -
2 stops11h 09m
Deal found 9/15![Delta logo]()
$344
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.
Fri 10/305:00 am -
1 stop5h 58m
Sun 11/15:00 am -
1 stop5h 36m
Deal found 9/13![United Airlines logo]()
$349
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2912:45 pm -
1 stop7h 38m
Sat 10/311:45 am -
1 stop8h 54m
Deal found 9/14![American Airlines logo]()
$369
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.
Wed 11/41:25 pm -
2 stops8h 05m
Wed 11/116:45 am -
1 stop6h 21m
Deal found 9/12![Delta logo]()
$344
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 10/134:08 pm -
1 stop5h 36m
Tue 10/209:42 am -
1 stop4h 54m
Deal found 9/14![United Airlines logo]()
$349
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.
Thu 10/13:00 pm -
1 stop6h 53m
Sat 10/1712:53 pm -
1 stop10h 18m
Deal found 9/16![American Airlines logo]()
$375
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.
Wed 10/216:00 am -
1 stop6h 57m
Thu 10/294:38 pm -
1 stop8h 21m
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 10/2912:20 pm -
2 stops9h 10m
Sat 10/314:10 pm -
1 stop6h 09m
Deal found 9/15![United Airlines logo]()
$354
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 11/173:49 pm -
1 stop5h 55m
Thu 11/267:48 am -
1 stop10h 31m
Deal found 9/13![United Airlines logo]()
$359
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.
Wed 11/41:42 pm -
1 stop7h 40m
Sat 11/145:00 pm -
1 stop5h 46m
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 11/157:00 am -
1 stop6h 58m
Thu 11/268:31 am -
1 stop5h 35m
Deal found 9/13![Delta logo]()
$374
This United Airlines deal was found by Cheapflights users on 9/11. 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 10/105:00 am -
1 stop6h 26m
Tue 10/137:05 am -
2 stops9h 28m
Deal found 9/11![United Airlines logo]()
$382
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.
Fri 10/304:25 pm -
1 stop5h 19m
Sun 11/15:55 am -
2 stops8h 27m
Deal found 9/13![United Airlines logo]()
$388
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/2611:35 am -
1 stop6h 08m
Tue 10/68:30 am -
1 stop6h 08m
Deal found 9/15![Delta logo]()
$390
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 10/35:30 am -
2 stops8h 53m
Sat 10/109:42 am -
1 stop7h 23m
Deal found 9/15![United Airlines logo]()
$395
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.
Mon 11/167:00 am -
1 stop6h 58m
Thu 11/268:31 am -
2 stops12h 18m
Deal found 9/13![Delta logo]()
$429
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 10/84:07 pm -
1 stop5h 37m
Wed 10/149:42 am -
1 stop7h 21m
Deal found 9/12![United Airlines logo]()
$401
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.
Thu 10/223:22 pm -
1 stop6h 00m
Mon 10/265:10 am -
1 stop7h 24m
Deal found 9/12![Delta 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.
Sat 1/3012:45 pm -
1 stop5h 23m
Wed 2/37:05 am -
1 stop6h 50m
Deal found 9/16![United Airlines logo]()
$419
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 10/231:42 pm -
1 stop7h 48m
Sat 10/246:39 am -
2 stops13h 26m
Deal found 9/13![Delta logo]()
$457
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 2/31:45 pm -
1 stop7h 23m
Sat 2/62:40 pm -
1 stop7h 29m
Deal found 9/14![United Airlines logo]()
$419
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.
Fri 10/94:05 pm -
1 stop5h 39m
Sat 10/246:00 am -
2 stops10h 27m
Deal found 9/13![United Airlines logo]()
$423
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 10/237:32 am -
2 stops13h 58m
Mon 10/264:38 pm -
1 stop8h 21m
Deal found 9/13![Delta logo]()
$467
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 10/224:07 pm -
1 stop5h 23m
Fri 10/304:10 pm -
2 stops9h 34m
Deal found 9/12![United Airlines logo]()
$426
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 10/311:42 pm -
1 stop5h 45m
Tue 11/33:36 pm -
1 stop7h 14m
Deal found 9/16![Delta logo]()
$472
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 2/212:40 pm -
1 stop6h 53m
Sat 2/62:40 pm -
1 stop7h 09m
Deal found 9/16![United Airlines logo]()
$429
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.
Sat 10/316:00 am -
1 stop6h 27m
Sun 11/110:50 am -
1 stop8h 08m
Deal found 9/14![Delta logo]()
$482
Last-minute flights from Washington to South DakotaDiscover last-minute flight deals from Washington to South Dakota. Data last updated September 17, 2026 and is based on user searches.
Discover last-minute flight deals from Washington to South Dakota. Data last updated September 17, 2026 and is based on user searches.
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/274:27 pm -
1 stop25h 40m
Mon 10/58:52 pm -
1 stop20h 16m
Deal found 9/13![Frontier logo]()
$354
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/14:27 pm -
1 stop25h 40m
Mon 10/58:52 pm -
1 stop20h 16m
Deal found 9/15![Frontier logo]()
$340
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/63:22 pm -
1 stop6h 00m
Sun 10/188:30 am -
1 stop6h 08m
Deal found 9/15![Delta logo]()
$359
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/83:22 pm -
1 stop6h 00m
Sat 10/175:00 pm -
1 stop8h 44m
Deal found 9/15![Delta 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.
Sat 10/105:00 am -
1 stop6h 26m
Wed 10/147:05 am -
1 stop6h 31m
Deal found 9/16![United Airlines logo]()
$357
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 10/134:08 pm -
1 stop5h 36m
Tue 10/209:42 am -
1 stop4h 54m
Deal found 9/14![United Airlines logo]()
$349
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.
Wed 10/1410:43 am -
1 stop7h 37m
Sat 10/179:42 am -
1 stop5h 33m
Deal found 9/13![United Airlines logo]()
$321
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 10/141:19 pm -
2 stops8h 11m
Wed 10/2112:30 pm -
1 stop6h 07m
Deal found 9/15![United Airlines 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.
Wed 10/216:00 am -
1 stop6h 57m
Mon 10/264:38 pm -
1 stop8h 21m
Deal found 9/13![Delta logo]()
$349
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/221:44 pm -
1 stop7h 46m
Fri 10/306:39 am -
1 stop6h 59m
Deal found 9/15![Delta logo]()
$349
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.
Fri 10/232:45 pm -
1 stop7h 11m
Tue 11/106:00 am -
2 stops12h 39m
Deal found 9/16![American Airlines 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.
Fri 10/301:25 pm -
2 stops8h 05m
Mon 11/25:00 am -
1 stop5h 36m
Deal found 9/16![United Airlines logo]()
$354
One-way flights from Washington to South DakotaSearch for one-way flight options from Washington to South Dakota. Find affordable one-way fares based on user searches. Data last updated September 17, 2026.
Search for one-way flight options from Washington to South Dakota. Find affordable one-way fares based on user searches. Data last updated September 17, 2026.
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.
Wed 11/184:27 pm -
2 stops27h 39m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Multiple Airlines logo]()
$169
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 10/229:16 pm -
1 stop12h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Multiple Airlines logo]()
$177
This Priceline 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2112:38 pm -
1 stop5h 29m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Frontier logo]()
$190
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.
Tue 10/138:00 pm -
2 stops40h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Multiple Airlines logo]()
$200
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.
Thu 10/1512:11 pm -
1 stop20h 49m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![Multiple Airlines logo]()
$224
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.
Thu 10/154:24 pm -
1 stop16h 36m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![Allegiant Air logo]()
$232
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.
Fri 11/610:25 am -
2 stops22h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Allegiant Air logo]()
$244
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 10/164:27 pm -
2 stops26h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Multiple Airlines logo]()
$248
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.
Wed 9/309:45 pm -
1 stop11h 31m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Multiple Airlines logo]()
$250
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.
Wed 11/1810:27 am -
1 stop10h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![American Airlines logo]()
$253
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.
Wed 9/239:45 pm -
2 stops33h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Multiple Airlines logo]()
$274
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.
Fri 10/162:27 pm -
1 stop5h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![United Airlines logo]()
$283
Find flight deals from Washington to South Dakota
Keep the following information in mind while searching for Washington to South Dakota 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 (United Airlines) |
One-way from | $169 (Kiwi.com) |
Popular in | May |
Cheapest in | November |
Average price | $456 |
Cheapflights Fare Finder
Customize your flight search to find flights from Washington to South Dakota 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 Washington to South Dakota that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
SeattleRapid City
SEA Seattle/Tacoma Intl - RAP Rapid City
SEARAP
Seattle/Tacoma Intl
Wed 11/18
4:27 pm-9:06 pm
2 stops27h 39m
Rapid City
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$169
SeattleSioux Falls
SEA Seattle/Tacoma Intl - FSD Sioux Falls Joe Foss Field
SEAFSD
Seattle/Tacoma Intl
Thu 10/22
9:16 pm-11:16 am
1 stop12h 00m
Sioux Falls Joe Foss Field
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$177
Quickest round-trip
PortlandSioux Falls
PDX Portland - FSD Sioux Falls Joe Foss Field
PDXFSD
Portland
Mon 9/21
12:38 pm-8:07 pm
1 stop5h 29m
Sioux Falls Joe Foss Field
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$190
SeattleRapid City
SEA Seattle/Tacoma Intl - RAP Rapid City
SEARAP
Seattle/Tacoma Intl
Tue 10/13
8:00 pm-1:45 pm
2 stops40h 45m
Rapid City
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$200
PortlandSioux Falls
PDX Portland - FSD Sioux Falls Joe Foss Field
PDXFSD
Portland
Thu 10/15
12:11 pm-11:00 am
1 stop20h 49m
Sioux Falls Joe Foss Field
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$224
SpokaneSioux Falls
GEG Spokane - FSD Sioux Falls Joe Foss Field
GEGFSD
Spokane
Thu 10/15
4:24 pm-11:00 am
1 stop16h 36m
Sioux Falls Joe Foss Field
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$232
PortlandSioux Falls
PDX Portland - FSD Sioux Falls Joe Foss Field
PDXFSD
Portland
Fri 11/6
10:25 am-11:10 am
2 stops22h 45m
Sioux Falls Joe Foss Field
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$244
SeattleRapid City
SEA Seattle/Tacoma Intl - RAP Rapid City
SEARAP
Seattle/Tacoma Intl
Fri 10/16
4:27 pm-7:53 pm
2 stops26h 26m
Rapid City
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$248
SpokaneRapid City
GEG Spokane - RAP Rapid City
GEGRAP
Spokane
Thu 10/22
1:38 pm-8:52 pm
1 stop6h 14m
Rapid City
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$284
SpokaneRapid City
GEG Spokane - RAP Rapid City
GEGRAP
Spokane
Tue 10/20
1:59 pm-10:30 pm
1 stop7h 31m
Rapid City
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$284
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Washington to South Dakota
Have a flexible travel schedule? Discover the best time to fly to South Dakota from Washington with our price prediction graph.
PDX-FSD
SEA-FSD
PDX-RAP
SEA-RAP
GEG-FSD
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 Washington to South Dakota
USWA-USSD
PDX-FSD
SEA-FSD
PDX-RAP
SEA-RAP
What is the cheapest month to book a flight from State of Washington to South Dakota?
Currently, January is the cheapest month in which you can book a flight from State of Washington to South Dakota (average of $379). Flying from State of Washington to South Dakota in June is currently the most expensive (average of $592). 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 State of Washington to South Dakota?
Airfare is below average for this route at the moment.
State of Washington to South Dakota flights typically cost between $373 and $546 in October.The cheapest round-trip price found within the last 5 days was $340 on Frontier (Oct 1-Oct 5).
How far ahead should I book a flight from State of Washington to South Dakota?
Booking 76 days in advance of your planned departure date is, on average, the best time to get cheap flights from State of Washington to South Dakota. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Reviews of airlines servicing South Dakota
Get insights into the airlines that provide service to South Dakota. 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 South Dakota. Reviews last updated September 17, 2026.
Read through reviews of airlines operating flights from Washington to South Dakota, such as Delta,United Airlines, andAmerican Airlines. 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
Entertainment
7.8
Overall
7.8
Comfort
7.8
Crew
8.5
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Boarding
8.1
Entertainment
7.8
Overall
7.8
Comfort
7.8
Crew
8.5
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Boarding
8.1
Entertainment
7.8
Overall
7.8
Comfort
7.8
Crew
8.5
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Boarding
8.1
Entertainment
7.8
Overall
7.8
Comfort
7.8
Crew
8.5
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Related info for your journey
Find useful and relevant information for your journey from Washington to South Dakota. 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 Washington to South Dakota
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Complete your trip
Complete your trip to South Dakota by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Washington to South Dakota by cabin class
Find flights from Washington to South Dakota, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Washington and South Dakota flights
Browse other Washington and South Dakota 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 South Dakota
Find the right flight back to Washington after your stay in South Dakota
Washington to South Dakota flights
Consider these flights traveling from Washington to South Dakota.
Top 3 airlines flying from Washington to South Dakota
Discover the top 3 airlines that operate flights from Washington to South Dakota. 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$190 | Average$435 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$268 | Average$446 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$278 | Average$453 | FlexibilityNo cancel fee | On-time69% |