$136+ 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 6/2. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — FSD
Apr 17 — Apr 241
Round-trip
1 adult, Economy
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Find cheap flights from Washington to South Dakota with Cheapflights
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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 March 18, 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 March 18, 2026.
This Gotogate deal was found by Cheapflights users on 3/15. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/57:50 pm
SEA
- FSD
1 stop20h 43m
Frontier
Mon 5/114:07 pm
FSD
- SEA
1 stop19h 42m
Frontier
Deal found 3/15![Frontier logo]()
$239
This CheapOair deal was found by Cheapflights users on 3/16. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/77:50 pm
SEA
- FSD
1 stop17h 32m
Frontier
Mon 5/114:07 pm
FSD
- SEA
1 stop19h 42m
Frontier
Deal found 3/16![Frontier logo]()
$241
This Flightnetwork deal was found by Cheapflights users on 3/15. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/37:12 pm
SEA
- FSD
1 stop21h 59m
Frontier
Mon 5/114:07 pm
FSD
- SEA
1 stop19h 42m
Frontier
Deal found 3/15![Frontier logo]()
$270
This American Airlines deal was found by Cheapflights users on 3/16. 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.
Tue 4/281:22 pm
GEG
- FSD
1 stop7h 49m
American Airlines
Wed 4/298:30 am
FSD
- GEG
1 stop7h 49m
American Airlines
Deal found 3/16![American Airlines logo]()
$291
This Gotogate deal was found by Cheapflights users on 3/14. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/3012:24 pm
SEA
- FSD
1 stop5h 35m
Frontier
Fri 4/37:21 pm
FSD
- SEA
1 stop18h 16m
Frontier
Deal found 3/14![Frontier logo]()
$299
This Kiwi.com deal was found by Cheapflights users on 3/14. 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.
Mon 4/1310:09 pm
SEA
- FSD
2 stops37h 36m
Multiple Airlines
Mon 4/208:06 pm
FSD
- SEA
1 stop15h 21m
Multiple Airlines
Deal found 3/14![Multiple Airlines logo]()
$306
This American Airlines deal was found by Cheapflights users on 3/13. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2211:56 am
PDX
- FSD
1 stop7h 58m
American Airlines
Thu 4/305:28 pm
FSD
- PDX
1 stop8h 26m
American Airlines
Deal found 3/13![American Airlines logo]()
$310
This Gotogate deal was found by Cheapflights users on 3/15. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/57:50 pm
SEA
- FSD
1 stop20h 43m
Frontier
Wed 5/137:18 pm
FSD
- SEA
1 stop16h 31m
Frontier
Deal found 3/15![Frontier logo]()
$316
This United Airlines deal was found by Cheapflights users on 3/12. 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.
Fri 4/104:15 pm
PDX
- RAP
1 stop5h 13m
United Airlines
Tue 4/145:27 am
RAP
- PDX
1 stop5h 21m
United Airlines
Deal found 3/12![United Airlines logo]()
$319
This American Airlines deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/156:00 am
SEA
- RAP
1 stop9h 27m
American Airlines
Wed 4/224:57 pm
RAP
- SEA
1 stop8h 47m
American Airlines
Deal found 3/16![American Airlines logo]()
$319
This American Airlines deal was found by Cheapflights users on 3/17. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2911:56 am
PDX
- FSD
1 stop7h 58m
American Airlines
Mon 5/41:41 pm
FSD
- PDX
1 stop9h 57m
American Airlines
Deal found 3/17![American Airlines logo]()
$320
This American Airlines deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/113:28 pm
PDX
- FSD
1 stop6h 31m
American Airlines
Sat 4/185:28 pm
FSD
- PDX
1 stop7h 21m
American Airlines
Deal found 3/15![American Airlines logo]()
$329
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 March 18, 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 March 18, 2026.
This United Airlines deal was found by Cheapflights users on 3/16. 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 4/104:15 pm
PDX
- RAP
1 stop5h 13m
United Airlines
Tue 4/142:47 pm
RAP
- PDX
1 stop7h 27m
United Airlines
Deal found 3/16![United Airlines logo]()
$339
This Delta deal was found by Cheapflights users on 3/16. 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.
Thu 4/912:30 am
PDX
- RAP
1 stop8h 50m
Delta
Tue 4/1410:58 am
RAP
- PDX
2 stops11h 34m
Delta
Deal found 3/16![Delta logo]()
$344
This Alaska Airlines deal was found by Cheapflights users on 3/16. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/157:19 am
GEG
- FSD
2 stops13h 52m
Alaska Airlines
Sat 4/1812:29 pm
FSD
- GEG
2 stops13h 30m
Alaska Airlines
Deal found 3/16![Alaska Airlines logo]()
$382
This Mytrip deal was found by Cheapflights users on 3/13. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/3012:24 pm
SEA
- FSD
1 stop5h 35m
Frontier
Fri 4/37:21 pm
FSD
- SEA
1 stop18h 16m
Frontier
Deal found 3/13![Frontier logo]()
$423
This American Airlines deal was found by Cheapflights users on 3/13. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/2712:13 am
SEA
- FSD
1 stop9h 25m
American Airlines
Wed 4/15:21 pm
FSD
- SEA
1 stop7h 48m
American Airlines
Deal found 3/13![American Airlines logo]()
$462
This United Airlines deal was found by Cheapflights users on 3/14. 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.
Mon 4/1311:59 pm
SEA
- FSD
1 stop8h 43m
United Airlines
Mon 4/206:53 pm
FSD
- SEA
1 stop7h 41m
United Airlines
Deal found 3/14![United Airlines logo]()
$349
This Delta deal was found by Cheapflights users on 3/15. 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 4/116:05 am
PDX
- FSD
1 stop7h 34m
Delta
Tue 4/141:44 pm
FSD
- PDX
2 stops12h 12m
Delta
Deal found 3/15![Delta logo]()
$360
This United Airlines deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/285:05 am
PSC
- RAP
1 stop7h 08m
United Airlines
Wed 4/12:47 pm
RAP
- PSC
1 stop7h 14m
United Airlines
Deal found 3/13![United Airlines logo]()
$351
This Delta deal was found by Cheapflights users on 3/16. 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.
Tue 3/313:30 pm
SEA
- RAP
1 stop5h 55m
Delta
Sat 4/46:00 am
RAP
- SEA
1 stop7h 27m
Delta
Deal found 3/16![Delta logo]()
$369
This United Airlines deal was found by Cheapflights users on 3/15. 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 4/185:00 am
SEA
- FSD
1 stop5h 50m
United Airlines
Tue 4/216:00 am
FSD
- SEA
2 stops10h 46m
United Airlines
Deal found 3/15![United Airlines logo]()
$354
This Delta deal was found by Cheapflights users on 3/15. 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 7/911:53 pm
SEA
- RAP
1 stop9h 05m
Delta
Mon 7/134:00 pm
RAP
- SEA
1 stop8h 26m
Delta
Deal found 3/15![Delta logo]()
$369
This United Airlines deal was found by Cheapflights users on 3/16. 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 4/285:05 am
GEG
- FSD
1 stop5h 45m
United Airlines
Tue 4/284:57 pm
FSD
- GEG
1 stop6h 14m
United Airlines
Deal found 3/16![United Airlines logo]()
$366
This Alaska Airlines deal was found by Cheapflights users on 3/16. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/137:49 pm
SEA
- FSD
2 stops21h 20m
Alaska Airlines
Mon 4/203:17 pm
FSD
- SEA
2 stops20h 10m
Alaska Airlines
Deal found 3/16![Alaska Airlines logo]()
$489
This Delta deal was found by Cheapflights users on 3/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/136:00 am
SEA
- RAP
1 stop8h 15m
Delta
Mon 4/203:55 pm
RAP
- SEA
1 stop8h 59m
Delta
Deal found 3/17![Delta logo]()
$379
This United Airlines deal was found by Cheapflights users on 3/14. 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.
Sun 5/35:00 am
PDX
- RAP
1 stop5h 35m
United Airlines
Sun 5/105:35 pm
RAP
- PDX
1 stop6h 19m
United Airlines
Deal found 3/14![United Airlines logo]()
$367
This United Airlines deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/134:01 pm
GEG
- FSD
1 stop5h 43m
United Airlines
Sat 4/181:43 pm
FSD
- GEG
2 stops9h 52m
United Airlines
Deal found 3/17![United Airlines logo]()
$367
This Delta deal was found by Cheapflights users on 3/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/16:30 am
PSC
- RAP
1 stop7h 48m
Delta
Sun 4/54:01 pm
RAP
- PSC
2 stops8h 28m
Delta
Deal found 3/17![Delta logo]()
$424
This United Airlines deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/285:05 am
PDX
- RAP
1 stop7h 08m
United Airlines
Wed 4/15:27 am
RAP
- PDX
1 stop5h 21m
United Airlines
Deal found 3/13![United Airlines logo]()
$369
This United Airlines deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/152:30 pm
PDX
- FSD
1 stop7h 14m
United Airlines
Sat 4/186:00 am
FSD
- PDX
1 stop5h 48m
United Airlines
Deal found 3/17![United Airlines logo]()
$371
This United Airlines deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/85:00 am
PDX
- RAP
1 stop7h 09m
United Airlines
Mon 5/115:35 pm
RAP
- PDX
1 stop6h 19m
United Airlines
Deal found 3/17![United Airlines logo]()
$371
This Delta deal was found by Cheapflights users on 3/14. 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 5/166:00 am
SEA
- FSD
1 stop7h 37m
Delta
Wed 5/201:35 pm
FSD
- SEA
1 stop12h 09m
Delta
Deal found 3/14![Delta logo]()
$507
This United Airlines deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/154:01 pm
GEG
- FSD
1 stop5h 43m
United Airlines
Sat 4/184:57 pm
FSD
- GEG
1 stop6h 14m
United Airlines
Deal found 3/17![United Airlines logo]()
$371
This Delta deal was found by Cheapflights users on 3/15. 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.
Wed 4/16:00 am
SEA
- ABR
1 stop6h 09m
Delta
Wed 4/82:45 pm
ABR
- SEA
1 stop8h 05m
Delta
Deal found 3/15![Delta logo]()
$532
This United Airlines deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/112:50 pm
PDX
- FSD
1 stop5h 40m
United Airlines
Wed 4/86:00 am
FSD
- PDX
2 stops10h 30m
United Airlines
Deal found 3/17![United Airlines logo]()
$379
This United Airlines deal was found by Cheapflights users on 3/13. 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 6/241:41 pm
GEG
- RAP
1 stop4h 32m
United Airlines
Sun 6/287:00 am
RAP
- GEG
1 stop6h 37m
United Airlines
Deal found 3/13![United Airlines logo]()
$379
This Delta deal was found by Cheapflights users on 3/16. 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.
Tue 3/316:00 am
SEA
- ABR
1 stop6h 09m
Delta
Sat 4/46:34 am
ABR
- SEA
1 stop6h 21m
Delta
Deal found 3/16![Delta logo]()
$572
This United Airlines deal was found by Cheapflights users on 3/13. 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 5/296:30 am
SEA
- RAP
2 stops11h 43m
United Airlines
Tue 6/211:20 am
RAP
- SEA
1 stop7h 39m
United Airlines
Deal found 3/13![United Airlines logo]()
$394
This Delta deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/276:00 am
SEA
- ABR
1 stop6h 09m
Delta
Wed 4/82:45 pm
ABR
- SEA
1 stop8h 05m
Delta
Deal found 3/16![Delta logo]()
$582
This Delta deal was found by Cheapflights users on 3/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/286:00 am
SEA
- ABR
1 stop6h 09m
Delta
Wed 4/82:45 pm
ABR
- SEA
1 stop8h 05m
Delta
Deal found 3/17![Delta logo]()
$582
This United Airlines deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/185:00 am
PSC
- RAP
1 stop7h 08m
United Airlines
Wed 4/222:47 pm
RAP
- PSC
1 stop7h 14m
United Airlines
Deal found 3/13![United Airlines logo]()
$399
Last-minute flights from Washington to South DakotaDiscover last-minute flight deals from Washington to South Dakota. Data last updated March 18, 2026 and is based on user searches.
Discover last-minute flight deals from Washington to South Dakota. Data last updated March 18, 2026 and is based on user searches.
This Gotogate deal was found by Cheapflights users on 3/14. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/3012:24 pm
SEA
- FSD
1 stop5h 35m
Frontier
Fri 4/37:21 pm
FSD
- SEA
1 stop18h 16m
Frontier
Deal found 3/14![Frontier logo]()
$299
This American Airlines deal was found by Cheapflights users on 3/16. 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 4/91:52 pm
PDX
- RAP
1 stop7h 06m
American Airlines
Mon 4/134:57 pm
RAP
- PDX
1 stop7h 57m
American Airlines
Deal found 3/16![American Airlines logo]()
$329
This United Airlines deal was found by Cheapflights users on 3/12. 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.
Fri 4/104:15 pm
PDX
- RAP
1 stop5h 13m
United Airlines
Tue 4/145:27 am
RAP
- PDX
1 stop5h 21m
United Airlines
Deal found 3/12![United Airlines logo]()
$319
This American Airlines deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/113:28 pm
PDX
- FSD
1 stop6h 31m
American Airlines
Sat 4/185:28 pm
FSD
- PDX
1 stop7h 21m
American Airlines
Deal found 3/15![American Airlines logo]()
$329
This United Airlines deal was found by Cheapflights users on 3/16. 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 4/114:15 pm
PDX
- RAP
1 stop5h 13m
United Airlines
Tue 4/1412:00 pm
RAP
- PDX
1 stop6h 44m
United Airlines
Deal found 3/16![United Airlines logo]()
$339
This United Airlines deal was found by Cheapflights users on 3/13. 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 4/125:05 am
GEG
- RAP
1 stop5h 19m
United Airlines
Sun 4/192:47 pm
RAP
- GEG
1 stop7h 24m
United Airlines
Deal found 3/13![United Airlines logo]()
$329
This Kiwi.com deal was found by Cheapflights users on 3/14. 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.
Mon 4/1310:09 pm
SEA
- FSD
2 stops37h 36m
Multiple Airlines
Mon 4/208:06 pm
FSD
- SEA
1 stop15h 21m
Multiple Airlines
Deal found 3/14![Multiple Airlines logo]()
$306
This American Airlines deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/156:00 am
SEA
- RAP
1 stop9h 27m
American Airlines
Wed 4/224:57 pm
RAP
- SEA
1 stop8h 47m
American Airlines
Deal found 3/16![American Airlines logo]()
$319
This American Airlines deal was found by Cheapflights users on 3/13. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2211:56 am
PDX
- FSD
1 stop7h 58m
American Airlines
Thu 4/305:28 pm
FSD
- PDX
1 stop8h 26m
American Airlines
Deal found 3/13![American Airlines logo]()
$310
This American Airlines deal was found by Cheapflights users on 3/15. 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.
Fri 4/242:57 pm
SEA
- FSD
1 stop7h 02m
American Airlines
Sat 4/255:28 pm
FSD
- SEA
1 stop9h 16m
American Airlines
Deal found 3/15![American Airlines logo]()
$329
This American Airlines deal was found by Cheapflights users on 3/16. 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.
Tue 4/281:22 pm
GEG
- FSD
1 stop7h 49m
American Airlines
Wed 4/298:30 am
FSD
- GEG
1 stop7h 49m
American Airlines
Deal found 3/16![American Airlines logo]()
$291
This American Airlines deal was found by Cheapflights users on 3/17. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2911:56 am
PDX
- FSD
1 stop7h 58m
American Airlines
Mon 5/41:41 pm
FSD
- PDX
1 stop9h 57m
American Airlines
Deal found 3/17![American Airlines logo]()
$320
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 March 18, 2026.
Search for one-way flight options from Washington to South Dakota. Find affordable one-way fares based on user searches. Data last updated March 18, 2026.
This Booking.com deal was found by Cheapflights users on 3/15. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/25:46 pm
PDX
- FSD
1 stop22h 47m
Frontier
Deal found 3/15![Frontier logo]()
$136
This Kiwi.com deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/1512:28 pm
PDX
- RAP
2 stops27h 39m
Multiple Airlines
Deal found 3/16![Multiple Airlines logo]()
$144
This Kiwi.com deal was found by Cheapflights users on 3/15. 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.
Thu 5/287:17 pm
PDX
- FSD
1 stop22h 46m
Allegiant Air
Deal found 3/15![Allegiant Air logo]()
$149
This Kiwi.com deal was found by Cheapflights users on 3/13. 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 3/2710:08 pm
SEA
- RAP
1 stop10h 09m
Multiple Airlines
Deal found 3/13![Multiple Airlines logo]()
$166
This Frontier deal was found by Cheapflights users on 3/13. 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.
Fri 5/111:48 am
PDX
- FSD
1 stop5h 33m
Frontier
Deal found 3/13![Frontier logo]()
$175
This Kiwi.com deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2912:38 pm
PDX
- RAP
2 stops27h 29m
Multiple Airlines
Deal found 3/16![Multiple Airlines logo]()
$177
This Kiwi.com deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/1812:27 pm
PDX
- RAP
2 stops27h 40m
Multiple Airlines
Deal found 3/16![Multiple Airlines logo]()
$195
This United Airlines deal was found by Cheapflights users on 3/16. 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 5/95:02 am
SEA
- RAP
1 stop7h 07m
United Airlines
Deal found 3/16![United Airlines logo]()
$197
This Orbitz deal was found by Cheapflights users on 3/14. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/2811:59 pm
PDX
- RAP
1 stop15h 23m
Sun Country Air
Deal found 3/14![Sun Country Air logo]()
$202
This Kiwi.com deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/37:46 pm
PDX
- RAP
1 stop13h 56m
Allegiant Air
Deal found 3/16![Allegiant Air logo]()
$207
This American Airlines deal was found by Cheapflights users on 3/16. 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.
Sun 4/1211:47 pm
PDX
- RAP
1 stop10h 36m
American Airlines
Deal found 3/16![American Airlines logo]()
$211
This Kiwi.com deal was found by Cheapflights users on 3/15. 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 7/2812:23 pm
PDX
- FSD
2 stops24h 23m
Multiple Airlines
Deal found 3/15![Multiple Airlines logo]()
$220
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 March 18, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $239 (Gotogate) |
One-way from | $136 (Booking.com) |
Popular in | February |
Cheapest in | October |
Average price | $313 |
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 March 18, 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
PortlandRapid City
PDX - RAP
PDXRAP
Portland
Fri 4/10
4:15 pm-10:28 pm
1 stop5h 13m
Rapid City
Tue 4/14
2:47 pm-9:14 pm
1 stop7h 27m
$339
PortlandRapid City
PDX - RAP
PDXRAP
Portland
Thu 4/9
12:30 am-10:20 am
1 stop8h 50m
Rapid City
Tue 4/14
10:58 am-9:32 pm
2 stops11h 34m
$344
SeattleSioux Falls
SEA - FSD
SEAFSD
Seattle/Tacoma Intl
Mon 4/13
11:59 pm-10:42 am
1 stop8h 43m
Sioux Falls Joe Foss Field
Mon 4/20
6:53 pm-12:34 am
1 stop7h 41m
$349
PascoRapid City
PSC - RAP
PSCRAP
Pasco Tri Cities
Sat 3/28
5:05 am-1:13 pm
1 stop7h 08m
Rapid City
Wed 4/1
2:47 pm-9:01 pm
1 stop7h 14m
$351
SeattleSioux Falls
SEA - FSD
SEAFSD
Seattle/Tacoma Intl
Sat 4/18
5:00 am-12:50 pm
1 stop5h 50m
Sioux Falls Joe Foss Field
Tue 4/21
6:00 am-2:46 pm
2 stops10h 46m
$354
PortlandSioux Falls
PDX - FSD
PDXFSD
Portland
Sat 4/11
6:05 am-3:39 pm
1 stop7h 34m
Sioux Falls Joe Foss Field
Tue 4/14
1:44 pm-11:56 pm
2 stops12h 12m
$360
SpokaneSioux Falls
GEG - FSD
GEGFSD
Spokane
Tue 4/28
5:05 am-12:50 pm
1 stop5h 45m
Sioux Falls Joe Foss Field
Tue 4/28
4:57 pm-9:11 pm
1 stop6h 14m
$366
PortlandRapid City
PDX - RAP
PDXRAP
Portland
Sun 5/3
5:00 am-11:35 am
1 stop5h 35m
Rapid City
Sun 5/10
5:35 pm-10:54 pm
1 stop6h 19m
$367
SpokaneSioux Falls
GEG - FSD
GEGFSD
Spokane
Mon 4/13
4:01 pm-11:44 pm
1 stop5h 43m
Sioux Falls Joe Foss Field
Sat 4/18
1:43 pm-9:35 pm
2 stops9h 52m
$367
SeattleRapid City
SEA - RAP
SEARAP
Seattle/Tacoma Intl
Tue 3/31
3:30 pm-10:25 pm
1 stop5h 55m
Rapid City
Sat 4/4
6:00 am-12:27 pm
1 stop7h 27m
$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.
PDX-FSD
PDX-RAP
SEA-RAP
GEG-FSD
SEA-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
PDX-RAP
SEA-RAP
GEG-FSD
What is the cheapest month to book a flight from State of Washington to South Dakota?
Currently, December is the cheapest month in which you can book a flight from State of Washington to South Dakota (average of $161). Flying from State of Washington to South Dakota in March is currently the most expensive (average of $297). 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.
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 March 18, 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.
Entertainment
7.8
Crew
8.5
Overall
7.9
Boarding
8.1
Comfort
7.9
Food
7.2
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Entertainment
7.8
Crew
8.5
Overall
7.9
Boarding
8.1
Comfort
7.9
Food
7.2
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Entertainment
7.8
Crew
8.5
Overall
7.9
Boarding
8.1
Comfort
7.9
Food
7.2
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Entertainment
7.8
Crew
8.5
Overall
7.9
Boarding
8.1
Comfort
7.9
Food
7.2
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Entertainment
7.8
Crew
8.5
Overall
7.9
Boarding
8.1
Comfort
7.9
Food
7.2
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Entertainment
7.8
Crew
8.5
Overall
7.9
Boarding
8.1
Comfort
7.9
Food
7.2
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - 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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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 March 18, 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 March 18, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$137 | Average$385 | FlexibilityNo cancel fee | On-time83% | |
| Cheapest$188 | Average$360 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$190 | Average$414 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$252 | Average$456 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$254 | Average$321 | FlexibilityNo cancel fee | On-time71% |