
Keep the following information in mind while searching for Washington to South Dakota flight deals. Data was last updated October 30, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $339 (United Airlines) |
One-way from | $211 (Kiwi.com) |
Popular in | May |
Cheapest in | March |
Average price | $553 |
Fly from
Fly to
Route
Depart
Return
SpokaneRapid City
GEG Spokane - RAP Rapid City
GEGRAP
Spokane
Mon 11/23
5:36 pm-3:08 pm
1 stop20h 32m
Rapid City
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
SeattleRapid City
SEA Seattle/Tacoma Intl - RAP Rapid City
SEARAP
Seattle/Tacoma Intl
Thu 11/19
10:50 am-9:06 pm
2 stops9h 16m
Rapid City
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
PascoRapid City
PSC Pasco Tri Cities - RAP Rapid City
PSCRAP
Pasco Tri Cities
Tue 12/15
12:59 pm-9:08 pm
1 stop7h 09m
Rapid City
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
SeattleRapid City
SEA Seattle/Tacoma Intl - RAP Rapid City
SEARAP
Seattle/Tacoma Intl
Fri 4/23
6:05 am-3:46 pm
1 stop8h 41m
Rapid City
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
SeattleSioux Falls
SEA Seattle/Tacoma Intl - FSD Sioux Falls Joe Foss Field
SEAFSD
Seattle/Tacoma Intl
Thu 11/5
9:13 pm-9:41 pm
1 stop22h 28m
Sioux Falls Joe Foss Field
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
SeattleRapid City
SEA Seattle/Tacoma Intl - RAP Rapid City
SEARAP
Seattle/Tacoma Intl
Wed 11/18
4:27 pm-9:06 pm
2 stops27h 39m
Rapid City
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
SeattleSioux Falls
SEA Seattle/Tacoma Intl - FSD Sioux Falls Joe Foss Field
SEAFSD
Seattle/Tacoma Intl
Mon 12/7
8:56 pm-3:47 pm
1 stop16h 51m
Sioux Falls Joe Foss Field
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
SpokaneRapid City
GEG Spokane - RAP Rapid City
GEGRAP
Spokane
Sat 11/21
6:25 am-3:54 pm
1 stop8h 29m
Rapid City
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
SpokaneRapid City
GEG Spokane - RAP Rapid City
GEGRAP
Spokane
Sun 11/22
6:45 am-3:54 pm
1 stop8h 09m
Rapid City
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
SpokaneRapid City
GEG Spokane - RAP Rapid City
GEGRAP
Spokane
Mon 11/23
5:00 am-3:54 pm
2 stops9h 54m
Rapid City
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
Everything you need to know about your flight from Washington to South Dakota
Boarding
Entertainment
Crew
Comfort
Overall
Food
Reviews
Anonymous,May 2026
SEA - KOA
Boarding
Entertainment
Crew
Comfort
Overall
Food
Reviews
Anonymous,May 2026
SEA - KOA
Boarding
Entertainment
Crew
Comfort
Overall
Food
Reviews
Anonymous,May 2026
SEA - KOA
Boarding
Entertainment
Crew
Comfort
Overall
Food
Reviews
Anonymous,May 2026
SEA - KOA
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.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$190 | Average$435 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$278 | Average$478 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$289 | Average$468 | FlexibilityNo cancel fee | On-time71% |