$137+ Cheap flights from South Dakota to Washington
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 5/4. Fares are subject to change and may not be available on all flights or dates of travel.
FSD — SEA
May 30 — Jun 61
Round-trip
1 adult, Economy
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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 April 30, 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 April 30, 2026.
This CheapOair deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/207:18 pm
FSD
- PDX
1 stop23h 28m
Frontier
Tue 5/265:46 pm
PDX
- FSD
1 stop22h 47m
Frontier
Deal found 4/26![Frontier logo]()
$196
This CheapOair deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/37:18 pm
FSD
- SEA
1 stop16h 48m
Frontier
Tue 6/93:33 pm
SEA
- FSD
1 stop25h 46m
Frontier
Deal found 4/28![Frontier logo]()
$261
This CheapOair deal was found by Cheapflights users on 4/29. 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 5/114:07 pm
FSD
- SEA
1 stop19h 42m
Frontier
Sun 5/177:50 pm
SEA
- FSD
1 stop17h 32m
Frontier
Deal found 4/29![Frontier logo]()
$263
This CheapOair deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/277:18 pm
FSD
- SEA
1 stop16h 48m
Frontier
Sun 5/313:19 pm
SEA
- FSD
1 stop22h 21m
Frontier
Deal found 4/25![Frontier logo]()
$281
This CheapOair deal was found by Cheapflights users on 4/29. 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.
Wed 6/37:18 pm
FSD
- PDX
1 stop23h 28m
Frontier
Tue 6/95:20 pm
PDX
- FSD
1 stop23h 59m
Frontier
Deal found 4/29![Frontier logo]()
$281
This American Airlines deal was found by Cheapflights users on 4/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/196:00 pm
FSD
- PDX
1 stop6h 50m
American Airlines
Tue 9/223:47 pm
PDX
- FSD
1 stop6h 05m
American Airlines
Deal found 4/30![American Airlines logo]()
$291
This Delta deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/24:16 pm
FSD
- PDX
1 stop5h 55m
Delta
Tue 6/98:42 pm
PDX
- FSD
2 stops11h 34m
Delta
Deal found 4/27![Delta logo]()
$296
This Kiwi.com deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/33:36 pm
FSD
- PDX
1 stop20h 44m
Multiple Airlines
Sun 6/711:15 am
PDX
- FSD
1 stop21h 36m
Multiple Airlines
Deal found 4/27![Multiple Airlines logo]()
$297
This Kiwi.com deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/49:54 pm
RAP
- SEA
1 stop13h 42m
Multiple Airlines
Sat 6/68:20 pm
SEA
- RAP
1 stop23h 44m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$305
This Kiwi.com deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/33:36 pm
FSD
- SEA
2 stops29h 29m
Multiple Airlines
Tue 6/97:41 pm
SEA
- FSD
1 stop21h 38m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$308
This Kiwi.com deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/132:35 pm
FSD
- SEA
1 stop21h 47m
Multiple Airlines
Tue 5/1911:06 am
SEA
- FSD
2 stops25h 43m
Multiple Airlines
Deal found 4/26![Multiple Airlines logo]()
$309
This American Airlines deal was found by Cheapflights users on 4/29. 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 6/34:46 pm
FSD
- PDX
1 stop9h 11m
American Airlines
Sat 6/63:30 pm
PDX
- FSD
1 stop6h 45m
American Airlines
Deal found 4/29![American Airlines logo]()
$310
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 April 30, 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 April 30, 2026.
This United Airlines deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/129:36 am
FSD
- PDX
1 stop7h 29m
United Airlines
Sat 8/2210:35 am
PDX
- FSD
1 stop7h 29m
United Airlines
Deal found 4/26![United Airlines logo]()
$291
This Delta deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/216:50 am
RAP
- GEG
1 stop7h 21m
Delta
Sun 5/242:16 pm
GEG
- RAP
1 stop7h 08m
Delta
Deal found 4/27![Delta logo]()
$334
This American Airlines deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/177:19 am
FSD
- GEG
1 stop6h 21m
American Airlines
Mon 9/211:58 pm
GEG
- FSD
1 stop7h 53m
American Airlines
Deal found 4/25![American Airlines logo]()
$339
This Kiwi.com deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/158:42 pm
FSD
- PSC
1 stop16h 51m
Multiple Airlines
Mon 6/228:48 pm
PSC
- FSD
2 stops44h 31m
Multiple Airlines
Deal found 4/27![Multiple Airlines logo]()
$466
This Alaska Airlines deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/212:48 pm
FSD
- SEA
1 stop7h 28m
Alaska Airlines
Thu 9/108:59 pm
SEA
- FSD
2 stops17h 41m
Alaska Airlines
Deal found 4/25![Alaska Airlines logo]()
$494
This Sun Country Air deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/35:27 pm
RAP
- SEA
1 stop6h 19m
Sun Country Air
Thu 8/611:59 pm
SEA
- RAP
1 stop15h 23m
Sun Country Air
Deal found 4/26![Sun Country Air logo]()
$497
This Kiwi.com deal was found by Cheapflights users on 4/29. 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 7/239:39 pm
FSD
- BLI
1 stop19h 13m
Allegiant Air
Mon 7/278:00 am
BLI
- FSD
1 stop9h 50m
Allegiant Air
Deal found 4/29![Allegiant Air logo]()
$510
This Delta deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/171:20 pm
FSD
- GEG
1 stop8h 00m
Delta
Tue 9/222:05 pm
GEG
- FSD
1 stop6h 41m
Delta
Deal found 4/26![Delta logo]()
$339
This United Airlines deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/265:53 pm
RAP
- PDX
1 stop5h 59m
United Airlines
Wed 9/25:00 am
PDX
- RAP
1 stop6h 24m
United Airlines
Deal found 4/25![United Airlines logo]()
$339
This American Airlines deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/122:36 pm
FSD
- PSC
1 stop7h 12m
American Airlines
Sat 5/233:29 pm
PSC
- FSD
1 stop6h 46m
American Airlines
Deal found 4/25![American Airlines logo]()
$354
This Delta deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/69:15 am
FSD
- GEG
1 stop5h 56m
Delta
Sat 6/135:20 am
GEG
- FSD
2 stops8h 24m
Delta
Deal found 4/28![Delta logo]()
$344
This United Airlines deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/810:21 am
RAP
- GEG
1 stop5h 50m
United Airlines
Sat 7/115:00 am
GEG
- RAP
1 stop6h 29m
United Airlines
Deal found 4/27![United Airlines logo]()
$355
This American Airlines deal was found by Cheapflights users on 4/29. 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 7/185:34 pm
FSD
- PDX
1 stop7h 18m
American Airlines
Wed 7/223:31 pm
PDX
- FSD
1 stop6h 22m
American Airlines
Deal found 4/29![American Airlines logo]()
$360
This United Airlines deal was found by Cheapflights users on 4/29. 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 7/94:36 pm
RAP
- SEA
1 stop7h 34m
United Airlines
Tue 7/145:00 am
SEA
- RAP
1 stop6h 29m
United Airlines
Deal found 4/29![United Airlines logo]()
$367
This Delta deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/196:25 am
FSD
- PDX
1 stop8h 29m
Delta
Tue 9/227:40 pm
PDX
- FSD
2 stops12h 20m
Delta
Deal found 4/27![Delta logo]()
$375
This American Airlines deal was found by Cheapflights users on 4/29. 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 6/2511:44 am
RAP
- PDX
1 stop5h 58m
American Airlines
Sun 6/285:01 am
PDX
- RAP
1 stop6h 10m
American Airlines
Deal found 4/29![American Airlines logo]()
$423
This United Airlines deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/89:36 am
FSD
- SEA
1 stop5h 38m
United Airlines
Tue 9/1511:05 am
SEA
- FSD
2 stops8h 47m
United Airlines
Deal found 4/26![United Airlines logo]()
$388
This Delta deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/35:00 am
FSD
- PDX
2 stops13h 23m
Delta
Tue 6/98:42 pm
PDX
- FSD
2 stops11h 34m
Delta
Deal found 4/27![Delta logo]()
$388
This Alaska Airlines deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/212:48 pm
FSD
- SEA
1 stop7h 28m
Alaska Airlines
Sun 9/68:45 am
SEA
- FSD
2 stops13h 42m
Alaska Airlines
Deal found 4/25![Alaska Airlines logo]()
$552
This United Airlines deal was found by Cheapflights users on 4/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/191:19 pm
FSD
- PDX
2 stops13h 28m
United Airlines
Tue 9/2211:15 pm
PDX
- FSD
1 stop9h 19m
United Airlines
Deal found 4/30![United Airlines logo]()
$405
This Delta deal was found by Cheapflights users on 4/29. 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 6/52:36 pm
RAP
- PDX
1 stop6h 35m
Delta
Mon 6/85:30 am
PDX
- RAP
2 stops9h 19m
Delta
Deal found 4/29![Delta logo]()
$416
This Alaska Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/236:00 pm
FSD
- SEA
1 stop7h 26m
Alaska Airlines
Sun 9/277:30 am
SEA
- FSD
2 stops14h 21m
Alaska Airlines
Deal found 4/29![Alaska Airlines logo]()
$559
This American Airlines deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/158:16 am
FSD
- PSC
1 stop8h 42m
American Airlines
Mon 6/223:29 pm
PSC
- FSD
1 stop6h 29m
American Airlines
Deal found 4/27![American Airlines logo]()
$491
This United Airlines deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/139:00 am
FSD
- GEG
2 stops12h 06m
United Airlines
Sun 5/171:41 pm
GEG
- FSD
1 stop8h 02m
United Airlines
Deal found 4/28![United Airlines logo]()
$408
This Delta deal was found by Cheapflights users on 4/29. 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 6/128:23 am
FSD
- PDX
2 stops11h 59m
Delta
Thu 6/1812:33 am
PDX
- FSD
1 stop7h 43m
Delta
Deal found 4/29![Delta logo]()
$439
This United Airlines deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/129:00 am
FSD
- PSC
1 stop5h 58m
United Airlines
Sat 5/231:35 pm
PSC
- FSD
2 stops8h 18m
United Airlines
Deal found 4/25![United Airlines logo]()
$412
This Alaska Airlines deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/1412:48 pm
FSD
- SEA
1 stop9h 32m
Alaska Airlines
Sat 8/229:59 pm
SEA
- FSD
2 stops17h 38m
Alaska Airlines
Deal found 4/25![Alaska Airlines logo]()
$610
This American Airlines deal was found by Cheapflights users on 4/29. 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 6/265:35 pm
FSD
- SEA
1 stop9h 24m
American Airlines
Mon 7/66:00 am
SEA
- FSD
1 stop8h 24m
American Airlines
Deal found 4/29![American Airlines logo]()
$515
This Delta deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/1910:56 am
FSD
- PDX
2 stops11h 06m
Delta
Sun 6/2112:33 am
PDX
- FSD
1 stop7h 43m
Delta
Deal found 4/27![Delta logo]()
$439
This United Airlines deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/209:30 am
FSD
- GEG
1 stop7h 42m
United Airlines
Tue 6/234:08 pm
GEG
- FSD
1 stop5h 45m
United Airlines
Deal found 4/26![United Airlines logo]()
$413
Last-minute flights from South Dakota to WashingtonDiscover last-minute flight deals from South Dakota to Washington. Data last updated April 30, 2026 and is based on user searches.
Discover last-minute flight deals from South Dakota to Washington. Data last updated April 30, 2026 and is based on user searches.
This CheapOair deal was found by Cheapflights users on 4/29. 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 5/114:07 pm
FSD
- SEA
1 stop19h 42m
Frontier
Sun 5/177:50 pm
SEA
- FSD
1 stop17h 32m
Frontier
Deal found 4/29![Frontier logo]()
$263
This Kiwi.com deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/119:35 pm
FSD
- SEA
2 stops38h 14m
Multiple Airlines
Tue 5/197:50 pm
SEA
- FSD
1 stop20h 43m
Multiple Airlines
Deal found 4/26![Multiple Airlines logo]()
$341
This United Airlines deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/122:35 pm
RAP
- GEG
1 stop7h 41m
United Airlines
Sat 5/161:41 pm
GEG
- RAP
1 stop7h 14m
United Airlines
Deal found 4/27![United Airlines logo]()
$339
This Kiwi.com deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/132:35 pm
FSD
- SEA
1 stop21h 47m
Multiple Airlines
Tue 5/1911:06 am
SEA
- FSD
2 stops25h 43m
Multiple Airlines
Deal found 4/26![Multiple Airlines logo]()
$309
This Kiwi.com deal was found by Cheapflights users on 4/29. 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 5/132:35 pm
FSD
- SEA
1 stop21h 47m
Multiple Airlines
Wed 5/2011:06 am
SEA
- FSD
2 stops45h 48m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$326
This CheapOair deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/137:18 pm
FSD
- PDX
1 stop23h 28m
Frontier
Sun 5/1712:35 pm
PDX
- FSD
1 stop24h 47m
Frontier
Deal found 4/27![Frontier logo]()
$348
This Delta deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/198:19 am
FSD
- PDX
1 stop6h 11m
Delta
Tue 5/266:00 am
PDX
- FSD
1 stop7h 36m
Delta
Deal found 4/25![Delta logo]()
$341
This CheapOair deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/207:18 pm
FSD
- PDX
1 stop23h 28m
Frontier
Tue 5/265:46 pm
PDX
- FSD
1 stop22h 47m
Frontier
Deal found 4/26![Frontier logo]()
$196
This Delta deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/216:50 am
RAP
- GEG
1 stop7h 21m
Delta
Sun 5/242:16 pm
GEG
- RAP
1 stop7h 08m
Delta
Deal found 4/27![Delta logo]()
$334
This CheapOair deal was found by Cheapflights users on 4/29. 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.
Fri 5/224:25 pm
FSD
- PDX
1 stop26h 21m
Frontier
Thu 5/2812:35 pm
PDX
- FSD
1 stop25h 05m
Frontier
Deal found 4/29![Frontier logo]()
$325
This CheapOair deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/277:18 pm
FSD
- SEA
1 stop16h 48m
Frontier
Sun 5/313:19 pm
SEA
- FSD
1 stop22h 21m
Frontier
Deal found 4/25![Frontier logo]()
$281
This Delta deal was found by Cheapflights users on 4/29. 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 5/315:20 am
FSD
- PDX
1 stop9h 34m
Delta
Mon 6/812:33 am
PDX
- FSD
1 stop7h 43m
Delta
Deal found 4/29![Delta logo]()
$333
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 April 30, 2026.
Search for one-way flight options from South Dakota to Washington. Find affordable one-way fares based on user searches. Data last updated April 30, 2026.
This CheapOair deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/48:06 pm
FSD
- SEA
1 stop15h 43m
Frontier
Deal found 4/27![Frontier logo]()
$137
This CheapOair deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/277:18 pm
FSD
- PDX
1 stop23h 28m
Frontier
Deal found 4/25![Frontier logo]()
$137
This CheapOair deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/114:07 pm
FSD
- SEA
1 stop19h 42m
Frontier
Deal found 4/27![Frontier logo]()
$138
This Kiwi.com deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/282:34 pm
RAP
- SEA
2 stops29h 01m
Multiple Airlines
Deal found 4/27![Multiple Airlines logo]()
$166
This Kiwi.com deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/33:31 pm
RAP
- SEA
2 stops20h 05m
Multiple Airlines
Deal found 4/25![Multiple Airlines logo]()
$169
This Kiwi.com deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/312:34 pm
RAP
- PDX
2 stops27h 12m
Multiple Airlines
Deal found 4/27![Multiple Airlines logo]()
$182
This Kiwi.com deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/278:54 pm
FSD
- PDX
2 stops40h 56m
Multiple Airlines
Deal found 4/26![Multiple Airlines logo]()
$186
This Kiwi.com deal was found by Cheapflights users on 4/29. 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 6/2712:56 pm
FSD
- PDX
1 stop31h 31m
Allegiant Air
Deal found 4/29![Allegiant Air logo]()
$187
This Kiwi.com deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/105:57 pm
RAP
- SEA
2 stops16h 52m
Multiple Airlines
Deal found 4/27![Multiple Airlines logo]()
$190
This Trip.com deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/84:07 pm
FSD
- SEA
1 stop19h 42m
Frontier
Deal found 4/26![Frontier logo]()
$190
This American Airlines deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/25:00 pm
RAP
- SEA
1 stop8h 59m
American Airlines
Deal found 4/25![American Airlines logo]()
$191
This Delta deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/22:36 pm
RAP
- SEA
2 stops10h 34m
Delta
Deal found 4/25![Delta logo]()
$196
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 April 30, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $196 (CheapOair) |
One-way from | $137 (CheapOair) |
Popular in | June |
Cheapest in | January |
Average price | $348 |
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 2,558,603 searches. Data last updated April 30, 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 FallsPortland
FSD - PDX
FSDPDX
Sioux Falls Joe Foss Field
Wed 8/12
9:36 am-3:05 pm
1 stop7h 29m
Portland
Sat 8/22
10:35 am-8:04 pm
1 stop7h 29m
$291
Rapid CitySpokane
RAP - GEG
RAPGEG
Rapid City
Thu 5/21
6:50 am-1:11 pm
1 stop7h 21m
Spokane
Sun 5/24
2:16 pm-10:24 pm
1 stop7h 08m
$334
Sioux FallsSpokane
FSD - GEG
FSDGEG
Sioux Falls Joe Foss Field
Thu 9/17
7:19 am-11:40 am
1 stop6h 21m
Spokane
Mon 9/21
1:58 pm-11:51 pm
1 stop7h 53m
$339
Sioux FallsSpokane
FSD - GEG
FSDGEG
Sioux Falls Joe Foss Field
Thu 9/17
1:20 pm-7:20 pm
1 stop8h 00m
Spokane
Tue 9/22
2:05 pm-10:46 pm
1 stop6h 41m
$339
Rapid CityPortland
RAP - PDX
RAPPDX
Rapid City
Wed 8/26
5:53 pm-10:52 pm
1 stop5h 59m
Portland
Wed 9/2
5:00 am-12:24 pm
1 stop6h 24m
$339
Sioux FallsSpokane
FSD - GEG
FSDGEG
Sioux Falls Joe Foss Field
Sat 6/6
9:15 am-1:11 pm
1 stop5h 56m
Spokane
Sat 6/13
5:20 am-3:44 pm
2 stops8h 24m
$344
Sioux FallsPasco
FSD - PSC
FSDPSC
Sioux Falls Joe Foss Field
Tue 5/12
2:36 pm-7:48 pm
1 stop7h 12m
Pasco Tri Cities
Sat 5/23
3:29 pm-12:15 am
1 stop6h 46m
$354
Rapid CitySpokane
RAP - GEG
RAPGEG
Rapid City
Wed 7/8
10:21 am-3:11 pm
1 stop5h 50m
Spokane
Sat 7/11
5:00 am-12:29 pm
1 stop6h 29m
$355
Sioux FallsPortland
FSD - PDX
FSDPDX
Sioux Falls Joe Foss Field
Sat 7/18
5:34 pm-10:52 pm
1 stop7h 18m
Portland
Wed 7/22
3:31 pm-11:53 pm
1 stop6h 22m
$360
Rapid CitySeattle
RAP - SEA
RAPSEA
Rapid City
Thu 7/9
4:36 pm-11:10 pm
1 stop7h 34m
Seattle/Tacoma Intl
Tue 7/14
5:00 am-12:29 pm
1 stop6h 29m
$367
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-PDX
FSD-SEA
RAP-SEA
RAP-GEG
FSD-GEG
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-PDX
FSD-SEA
RAP-SEA
RAP-GEG
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 65 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.
What is the cheapest month to book a flight from South Dakota to State of Washington?
Currently, October is the cheapest month in which you can book a flight from South Dakota to State of Washington (average of $156). Flying from South Dakota to State of Washington in May is currently the most expensive (average of $289). 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?
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 April 30, 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.
Overall
7.9
Entertainment
7.8
Crew
8.5
Food
7.2
Comfort
7.9
Boarding
8.1
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Overall
7.9
Entertainment
7.8
Crew
8.5
Food
7.2
Comfort
7.9
Boarding
8.1
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Overall
7.9
Entertainment
7.8
Crew
8.5
Food
7.2
Comfort
7.9
Boarding
8.1
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Overall
7.9
Entertainment
7.8
Crew
8.5
Food
7.2
Comfort
7.9
Boarding
8.1
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Overall
7.9
Entertainment
7.8
Crew
8.5
Food
7.2
Comfort
7.9
Boarding
8.1
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
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 April 30, 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 4 airlines flying from South Dakota to Washington
Discover the top 4 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 2,558,603 searches. Data last updated April 30, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$190 | Average$283 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$228 | Average$504 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$240 | Average$442 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$254 | Average$403 | FlexibilityNo cancel fee | On-time71% |