$105+ Cheap flights from Washington to South Dakota
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/2. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — FSD
Jun 2 — Jun 91
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 May 3, 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 May 3, 2026.
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/287:50 pm
SEA
- FSD
1 stop17h 50m
Frontier
Wed 6/37:18 pm
FSD
- SEA
1 stop16h 48m
Frontier
Deal found 4/28![Frontier logo]()
$211
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.
Tue 6/93:33 pm
SEA
- FSD
1 stop25h 46m
Frontier
Fri 6/128:14 pm
FSD
- SEA
1 stop20h 04m
Frontier
Deal found 4/29![Frontier logo]()
$241
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/187:41 pm
SEA
- FSD
1 stop21h 38m
Frontier
Mon 6/228:14 pm
FSD
- SEA
1 stop20h 04m
Frontier
Deal found 4/30![Frontier logo]()
$261
This Trip.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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/147:50 pm
SEA
- FSD
1 stop17h 32m
Frontier
Wed 5/207:18 pm
FSD
- SEA
1 stop16h 48m
Frontier
Deal found 4/29![Frontier logo]()
$262
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/147:50 pm
SEA
- FSD
1 stop17h 32m
Frontier
Mon 5/184:07 pm
FSD
- SEA
1 stop19h 42m
Frontier
Deal found 4/30![Frontier logo]()
$266
This CheapOair deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/217:50 pm
SEA
- FSD
1 stop17h 50m
Frontier
Mon 5/254:25 pm
FSD
- SEA
1 stop19h 41m
Frontier
Deal found 5/1![Frontier logo]()
$271
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.
Thu 4/307:12 pm
SEA
- FSD
1 stop22h 09m
Frontier
Fri 5/84:07 pm
FSD
- SEA
1 stop19h 42m
Frontier
Deal found 4/28![Frontier logo]()
$281
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/276:37 am
PDX
- FSD
1 stop8h 18m
American Airlines
Wed 6/35:35 pm
FSD
- PDX
1 stop9h 15m
American Airlines
Deal found 4/28![American Airlines logo]()
$291
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.
Tue 6/27:50 pm
SEA
- FSD
1 stop20h 43m
Multiple Airlines
Wed 6/103:36 pm
FSD
- SEA
1 stop20h 59m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$295
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.
Sat 6/136:00 am
PDX
- FSD
1 stop7h 44m
Delta
Wed 6/175:15 am
FSD
- PDX
2 stops8h 27m
Delta
Deal found 4/29![Delta logo]()
$296
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.
Tue 6/27:50 pm
SEA
- FSD
1 stop20h 43m
Multiple Airlines
Mon 6/811:41 am
FSD
- SEA
1 stop24h 54m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$303
This Delta deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/133:00 pm
PDX
- FSD
1 stop5h 54m
Delta
Sun 6/144:26 pm
FSD
- PDX
1 stop8h 52m
Delta
Deal found 5/1![Delta logo]()
$310
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 May 3, 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 May 3, 2026.
This Delta deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/136:00 am
PDX
- FSD
1 stop7h 44m
Delta
Sun 6/145:15 am
FSD
- PDX
2 stops7h 24m
Delta
Deal found 5/1![Delta logo]()
$315
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.
Sat 5/302:27 pm
PDX
- FSD
1 stop6h 59m
United Airlines
Tue 6/26:37 pm
FSD
- PDX
1 stop7h 16m
United Airlines
Deal found 4/29![United Airlines logo]()
$381
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 10/236:00 am
GEG
- FSD
1 stop9h 22m
American Airlines
Tue 11/105:30 am
FSD
- GEG
1 stop9h 02m
American Airlines
Deal found 4/29![American Airlines logo]()
$439
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.
Sat 5/309:00 am
SEA
- FSD
2 stops11h 57m
Alaska Airlines
Sat 6/64:25 pm
FSD
- SEA
1 stop8h 05m
Alaska Airlines
Deal found 4/29![Alaska Airlines logo]()
$524
This Delta deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/273:00 pm
PDX
- FSD
1 stop5h 54m
Delta
Tue 7/78:23 am
FSD
- PDX
2 stops9h 46m
Delta
Deal found 5/1![Delta logo]()
$337
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/222:16 pm
GEG
- FSD
1 stop6h 55m
Delta
Tue 5/264:16 pm
FSD
- GEG
2 stops9h 19m
Delta
Deal found 4/30![Delta logo]()
$344
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 5/135:00 am
PDX
- RAP
1 stop7h 09m
United Airlines
Sun 5/175:20 am
RAP
- PDX
1 stop5h 18m
United Airlines
Deal found 4/28![United Airlines logo]()
$398
This Delta deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/237:20 pm
GEG
- FSD
2 stops12h 45m
Delta
Tue 11/104:09 pm
FSD
- GEG
1 stop5h 18m
Delta
Deal found 5/2![Delta logo]()
$344
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.
Thu 5/284:08 pm
GEG
- FSD
1 stop5h 45m
United Airlines
Thu 6/45:05 pm
FSD
- GEG
1 stop6h 00m
United Airlines
Deal found 4/30![United Airlines logo]()
$403
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 5/1310:25 am
SEA
- FSD
1 stop9h 29m
American Airlines
Sat 5/162:36 pm
FSD
- SEA
1 stop7h 37m
American Airlines
Deal found 4/29![American Airlines logo]()
$459
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.
Thu 8/201:30 pm
GEG
- FSD
2 stops7h 16m
Delta
Mon 8/244:09 pm
FSD
- GEG
2 stops9h 26m
Delta
Deal found 4/29![Delta logo]()
$349
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 6/95:00 am
SEA
- RAP
1 stop6h 29m
United Airlines
Thu 6/115:53 pm
RAP
- SEA
1 stop6h 17m
United Airlines
Deal found 4/27![United Airlines logo]()
$410
This American Airlines deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/95:05 am
SEA
- FSD
1 stop9h 49m
American Airlines
Tue 7/144:54 pm
FSD
- SEA
1 stop9h 58m
American Airlines
Deal found 5/2![American Airlines logo]()
$474
This Delta deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/197:23 pm
GEG
- FSD
2 stops12h 52m
Delta
Fri 6/58:19 am
FSD
- GEG
1 stop6h 52m
Delta
Deal found 5/1![Delta logo]()
$359
This Expedia deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/99:04 pm
SEA
- FSD
2 stops17h 09m
Alaska Airlines
Tue 7/144:54 pm
FSD
- SEA
1 stop8h 10m
Alaska Airlines
Deal found 5/2![Alaska Airlines logo]()
$529
This United Airlines deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/195:00 am
SEA
- RAP
1 stop6h 24m
United Airlines
Tue 9/227:00 am
RAP
- SEA
1 stop5h 34m
United Airlines
Deal found 5/1![United Airlines logo]()
$427
This Delta deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/197:23 pm
GEG
- FSD
2 stops12h 52m
Delta
Tue 5/264:16 pm
FSD
- GEG
2 stops9h 19m
Delta
Deal found 5/1![Delta logo]()
$364
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/1111:59 pm
SEA
- FSD
1 stop8h 17m
Delta
Tue 6/165:15 am
FSD
- SEA
1 stop7h 44m
Delta
Deal found 4/30![Delta logo]()
$364
This United Airlines deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/194:10 pm
GEG
- RAP
1 stop4h 45m
United Airlines
Fri 5/227:05 am
RAP
- GEG
1 stop6h 32m
United Airlines
Deal found 5/2![United Airlines logo]()
$451
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 5/152:16 pm
GEG
- FSD
1 stop6h 55m
Delta
Sun 5/178:19 am
FSD
- GEG
1 stop6h 52m
Delta
Deal found 4/27![Delta logo]()
$369
This United Airlines deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/135:05 am
SEA
- RAP
1 stop7h 04m
United Airlines
Sat 5/167:00 am
RAP
- SEA
2 stops8h 36m
United Airlines
Deal found 5/2![United Airlines logo]()
$466
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 5/146:49 am
GEG
- FSD
1 stop6h 47m
Delta
Sun 5/178:19 am
FSD
- GEG
1 stop6h 52m
Delta
Deal found 4/27![Delta logo]()
$369
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.
Wed 7/14:18 pm
GEG
- RAP
1 stop5h 07m
United Airlines
Tue 7/77:00 am
RAP
- GEG
1 stop6h 37m
United Airlines
Deal found 4/29![United Airlines logo]()
$475
This Delta deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/202:16 pm
GEG
- FSD
1 stop6h 55m
Delta
Fri 6/510:56 am
FSD
- GEG
2 stops9h 05m
Delta
Deal found 5/1![Delta logo]()
$374
This United Airlines deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/197:15 am
PDX
- RAP
2 stops12h 13m
United Airlines
Tue 5/265:00 am
RAP
- PDX
1 stop5h 47m
United Airlines
Deal found 5/1![United Airlines logo]()
$480
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.
Wed 5/136:00 am
PDX
- FSD
1 stop7h 36m
Delta
Tue 5/194:16 pm
FSD
- PDX
2 stops9h 28m
Delta
Deal found 4/28![Delta logo]()
$375
This United Airlines deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/215:00 am
GEG
- RAP
1 stop6h 29m
United Airlines
Mon 5/257:05 am
RAP
- GEG
1 stop6h 32m
United Airlines
Deal found 5/2![United Airlines logo]()
$486
This Delta deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/16:00 am
PDX
- RAP
1 stop8h 49m
Delta
Sun 6/76:47 am
RAP
- PDX
1 stop6h 53m
Delta
Deal found 5/2![Delta logo]()
$381
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.
Sat 5/231:30 pm
SEA
- FSD
2 stops8h 23m
United Airlines
Sat 6/612:56 pm
FSD
- SEA
2 stops12h 23m
United Airlines
Deal found 4/28![United Airlines logo]()
$489
This Delta deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/216:00 am
PDX
- RAP
1 stop8h 49m
Delta
Sat 6/2711:00 am
RAP
- PDX
1 stop7h 37m
Delta
Deal found 5/2![Delta logo]()
$400
Last-minute flights from Washington to South DakotaDiscover last-minute flight deals from Washington to South Dakota. Data last updated May 3, 2026 and is based on user searches.
Discover last-minute flight deals from Washington to South Dakota. Data last updated May 3, 2026 and is based on user searches.
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.
Thu 4/307:12 pm
SEA
- FSD
1 stop22h 09m
Frontier
Fri 5/84:07 pm
FSD
- SEA
1 stop19h 42m
Frontier
Deal found 4/28![Frontier logo]()
$281
This Trip.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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/147:50 pm
SEA
- FSD
1 stop17h 32m
Frontier
Wed 5/207:18 pm
FSD
- SEA
1 stop16h 48m
Frontier
Deal found 4/29![Frontier logo]()
$262
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/147:50 pm
SEA
- FSD
1 stop17h 32m
Frontier
Mon 5/184:07 pm
FSD
- SEA
1 stop19h 42m
Frontier
Deal found 4/30![Frontier logo]()
$266
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/142:16 pm
GEG
- RAP
1 stop7h 07m
Delta
Sun 5/176:50 am
RAP
- GEG
1 stop7h 21m
Delta
Deal found 4/30![Delta logo]()
$339
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 5/2011:06 am
SEA
- FSD
2 stops45h 48m
Multiple Airlines
Wed 5/277:18 pm
FSD
- SEA
1 stop16h 48m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$320
This CheapOair deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/217:50 pm
SEA
- FSD
1 stop17h 50m
Frontier
Mon 5/254:25 pm
FSD
- SEA
1 stop19h 41m
Frontier
Deal found 5/1![Frontier logo]()
$271
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.
Fri 5/224:15 pm
PDX
- FSD
1 stop5h 38m
United Airlines
Sun 5/246:00 am
FSD
- PDX
1 stop7h 38m
United Airlines
Deal found 4/28![United Airlines logo]()
$329
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.
Sat 5/231:30 pm
SEA
- FSD
2 stops8h 23m
United Airlines
Sat 6/66:37 pm
FSD
- SEA
1 stop7h 22m
United Airlines
Deal found 4/28![United Airlines logo]()
$334
This Kiwi.com deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/247:17 pm
PDX
- RAP
1 stop12h 57m
Multiple Airlines
Thu 5/282:34 pm
RAP
- PDX
1 stop20h 46m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$335
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/276:37 am
PDX
- FSD
1 stop8h 18m
American Airlines
Wed 6/35:35 pm
FSD
- PDX
1 stop9h 15m
American Airlines
Deal found 4/28![American Airlines logo]()
$291
This Delta deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/283:10 pm
PDX
- RAP
1 stop6h 14m
Delta
Wed 6/32:36 pm
RAP
- PDX
1 stop6h 35m
Delta
Deal found 5/1![Delta logo]()
$339
This American Airlines deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/2910:23 am
SEA
- FSD
1 stop9h 54m
American Airlines
Fri 6/55:35 pm
FSD
- SEA
1 stop9h 24m
American Airlines
Deal found 5/1![American Airlines logo]()
$329
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 May 3, 2026.
Search for one-way flight options from Washington to South Dakota. Find affordable one-way fares based on user searches. Data last updated May 3, 2026.
This Priceline 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/212:28 pm
GEG
- FSD
1 stop4h 51m
Frontier
Deal found 4/29![Frontier logo]()
$105
This CheapOair deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/47:50 pm
SEA
- FSD
1 stop17h 50m
Frontier
Deal found 5/2![Frontier logo]()
$117
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.
Thu 6/117:41 pm
SEA
- FSD
1 stop21h 38m
Frontier
Deal found 4/28![Frontier logo]()
$137
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 6/108:12 pm
SEA
- RAP
1 stop23h 52m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$156
This CheapOair deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/147:41 pm
SEA
- FSD
1 stop21h 38m
Frontier
Deal found 5/3![Frontier logo]()
$157
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/1811:45 am
GEG
- FSD
1 stop23h 51m
Allegiant Air
Deal found 4/30![Allegiant Air logo]()
$163
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/179:19 pm
GEG
- FSD
1 stop20h 44m
Allegiant Air
Deal found 4/30![Allegiant Air logo]()
$172
This Delta deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/2012:33 am
PDX
- RAP
1 stop8h 45m
Delta
Deal found 5/2![Delta logo]()
$181
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.
Tue 9/297:00 am
GEG
- RAP
1 stop7h 10m
Delta
Deal found 4/29![Delta logo]()
$181
This Kiwi.com deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/412:35 pm
PDX
- FSD
1 stop25h 05m
Frontier
Deal found 5/1![Frontier logo]()
$184
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 6/114:34 pm
GEG
- RAP
2 stops27h 26m
Allegiant Air
Deal found 4/29![Allegiant Air logo]()
$187
This United Airlines deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/145:00 am
SEA
- RAP
1 stop6h 29m
United Airlines
Deal found 5/1![United Airlines logo]()
$191
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 May 3, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $211 (Frontier) |
One-way from | $105 (Priceline) |
Popular in | February |
Cheapest in | October |
Average price | $557 |
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 2,558,603 searches. Data last updated May 3, 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
PortlandSioux Falls
PDX - FSD
PDXFSD
Portland
Sat 6/13
6:00 am-3:44 pm
1 stop7h 44m
Sioux Falls Joe Foss Field
Sun 6/14
5:15 am-10:39 am
2 stops7h 24m
$315
PortlandSioux Falls
PDX - FSD
PDXFSD
Portland
Sat 6/27
3:00 pm-10:54 pm
1 stop5h 54m
Sioux Falls Joe Foss Field
Tue 7/7
8:23 am-4:09 pm
2 stops9h 46m
$337
SpokaneSioux Falls
GEG - FSD
GEGFSD
Spokane
Fri 5/22
2:16 pm-11:11 pm
1 stop6h 55m
Sioux Falls Joe Foss Field
Tue 5/26
4:16 pm-11:35 pm
2 stops9h 19m
$344
SpokaneSioux Falls
GEG - FSD
GEGFSD
Spokane
Fri 10/23
7:20 pm-10:05 am
2 stops12h 45m
Sioux Falls Joe Foss Field
Tue 11/10
4:09 pm-7:27 pm
1 stop5h 18m
$344
SpokaneSioux Falls
GEG - FSD
GEGFSD
Spokane
Thu 8/20
1:30 pm-10:46 pm
2 stops7h 16m
Sioux Falls Joe Foss Field
Mon 8/24
4:09 pm-11:35 pm
2 stops9h 26m
$349
SpokaneSioux Falls
GEG - FSD
GEGFSD
Spokane
Tue 5/19
7:23 pm-10:15 am
2 stops12h 52m
Sioux Falls Joe Foss Field
Fri 6/5
8:19 am-1:11 pm
1 stop6h 52m
$359
SpokaneSioux Falls
GEG - FSD
GEGFSD
Spokane
Tue 5/19
7:23 pm-10:15 am
2 stops12h 52m
Sioux Falls Joe Foss Field
Tue 5/26
4:16 pm-11:35 pm
2 stops9h 19m
$364
SeattleSioux Falls
SEA - FSD
SEAFSD
Seattle/Tacoma Intl
Thu 6/11
11:59 pm-10:16 am
1 stop8h 17m
Sioux Falls Joe Foss Field
Tue 6/16
5:15 am-10:59 am
1 stop7h 44m
$364
SpokaneSioux Falls
GEG - FSD
GEGFSD
Spokane
Fri 5/15
2:16 pm-11:11 pm
1 stop6h 55m
Sioux Falls Joe Foss Field
Sun 5/17
8:19 am-1:11 pm
1 stop6h 52m
$369
SpokaneSioux Falls
GEG - FSD
GEGFSD
Spokane
Thu 5/14
6:49 am-3:36 pm
1 stop6h 47m
Sioux Falls Joe Foss Field
Sun 5/17
8:19 am-1:11 pm
1 stop6h 52m
$369
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.
GEG-FSD
PDX-RAP
SEA-RAP
SEA-FSD
PDX-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
GEG-FSD
PDX-RAP
SEA-RAP
SEA-FSD
How far ahead should I book a flight from State of Washington to South Dakota?
Booking 3 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.
What is the cheapest month to book a flight from State of Washington to South Dakota?
Currently, April is the cheapest month in which you can book a flight from State of Washington to South Dakota (average of $96). Flying from State of Washington to South Dakota in March is currently the most expensive (average of $278). 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?
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 May 3, 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.
Comfort
7.9
Food
7.2
Boarding
8.1
Crew
8.5
Overall
7.9
Entertainment
7.8
Reviews
1 / 20
2.0
MediocreBarney,May 2026
JFK - ATL
Comfort
7.9
Food
7.2
Boarding
8.1
Crew
8.5
Overall
7.9
Entertainment
7.8
Reviews
1 / 20
2.0
MediocreBarney,May 2026
JFK - ATL
Comfort
7.9
Food
7.2
Boarding
8.1
Crew
8.5
Overall
7.9
Entertainment
7.8
Reviews
1 / 20
2.0
MediocreBarney,May 2026
JFK - ATL
Comfort
7.9
Food
7.2
Boarding
8.1
Crew
8.5
Overall
7.9
Entertainment
7.8
Reviews
1 / 20
2.0
MediocreBarney,May 2026
JFK - ATL
Comfort
7.9
Food
7.2
Boarding
8.1
Crew
8.5
Overall
7.9
Entertainment
7.8
Reviews
1 / 20
2.0
MediocreBarney,May 2026
JFK - ATL
Comfort
7.9
Food
7.2
Boarding
8.1
Crew
8.5
Overall
7.9
Entertainment
7.8
Reviews
1 / 20
2.0
MediocreBarney,May 2026
JFK - ATL
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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Complete your trip
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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 May 3, 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 5 airlines flying from Washington to South Dakota
Discover the top 5 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 2,558,603 searches. Data last updated May 3, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$137 | Average$377 | FlexibilityNo cancel fee | On-time83% | |
| Cheapest$188 | Average$358 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$190 | Average$382 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$254 | Average$321 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$268 | Average$450 | FlexibilityNo cancel fee | On-time69% |