$120+ 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 7/11. Fares are subject to change and may not be available on all flights or dates of travel.
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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap 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 June 12, 2025.
Round-trip from | $251 (Delta) |
|---|---|
One-way from | $120 (Mytrip) |
Popular in | December |
Cheapest in | January |
Average price | $416 |
Find flight deals from Washington to South Dakota
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 June 12, 2025.
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 June 12, 2025.
This Delta deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Delta deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This United Airlines deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” 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.
This Delta deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This American Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” 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.
This American Airlines deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This CheapOair deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” 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.
This Frontier deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” 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.
This Mytrip deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Delta deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” 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.
This United Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” 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.
This United Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” 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.
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 June 12, 2025.
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
Price
PortlandSioux Falls
PDX - FSD
PDXFSD
Portland
Tue 8/12
5:00 pm-11:44 pm
1 stop4h 44m
Sioux Falls Joe Foss Field
Tue 8/19
5:00 am-10:40 am
1 stop7h 40m
SpokaneSioux Falls
GEG - FSD
GEGFSD
Spokane
Sat 11/15
2:05 pm-10:49 pm
1 stop6h 44m
Sioux Falls Joe Foss Field
Wed 11/19
7:30 pm-11:10 pm
1 stop5h 40m
PortlandRapid City
PDX - RAP
PDXRAP
Portland
Thu 7/17
4:16 pm-10:01 pm
1 stop4h 45m
Rapid City
Wed 7/23
5:59 pm-10:16 pm
1 stop5h 17m
SpokaneSioux Falls
GEG - FSD
GEGFSD
Spokane
Thu 9/25
1:30 pm-12:01 am
1 stop8h 31m
Sioux Falls Joe Foss Field
Sun 9/28
7:00 am-12:44 pm
1 stop7h 44m
SeattleRapid City
SEA - RAP
SEARAP
Seattle/Tacoma Intl
Thu 10/23
6:05 am-1:40 pm
1 stop6h 35m
Rapid City
Sat 10/25
10:40 am-4:17 pm
1 stop6h 37m
SeattleSioux Falls
SEA - FSD
SEAFSD
Seattle/Tacoma Intl
Thu 8/21
5:24 am-4:35 pm
1 stop9h 11m
Sioux Falls Joe Foss Field
Thu 8/28
5:15 pm-12:54 am
1 stop9h 39m
SeattleSioux Falls
SEA - FSD
SEAFSD
Seattle/Tacoma Intl
Thu 7/24
6:25 am-2:02 pm
1 stop5h 37m
Sioux Falls Joe Foss Field
Fri 7/25
7:32 pm-12:34 am
1 stop7h 02m
PortlandSioux Falls
PDX - FSD
PDXFSD
Portland
Wed 8/6
6:35 am-6:54 pm
1 stop10h 19m
Sioux Falls Joe Foss Field
Sun 8/10
2:57 pm-12:16 am
1 stop11h 19m
SeattleSioux Falls
SEA - FSD
SEAFSD
Seattle/Tacoma Intl
Tue 7/15
5:30 pm-12:52 pm
1 stop17h 22m
Sioux Falls Joe Foss Field
Fri 7/18
9:39 pm-4:25 pm
2 stops20h 46m
SpokaneRapid City
GEG - RAP
GEGRAP
Spokane
Sat 9/13
2:05 pm-10:10 pm
1 stop7h 05m
Rapid City
Sat 9/20
6:20 am-1:10 pm
1 stop7h 50m
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.
Cheapflights Insights
Everything you need to know about your flight from Washington to South Dakota
What is the cheapest month to book a flight from State of Washington to South Dakota?
Currently, September is the cheapest month in which you can book a flight from State of Washington to South Dakota (average of $334). Flying from State of Washington to South Dakota in December is currently the most expensive (average of $446). 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.
What is the cheapest time of day to fly from WA to SD?
Find hourly flight availability from Washington to South Dakota. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.
When flying from State of Washington to South Dakota, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Rainfall in South Dakota by month
Plan your trip to South Dakota by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in South Dakota ranges from 0.6 - 3.9 inches per month. June is typically the wettest month, when rainfall can reach 3.9 in. January is typically the driest time to visit South Dakota when rainfall is around 0.6 in.
Temperature in South Dakota by month
Plan your trip to South Dakota by taking into account the average temperature totals by month.
If weather is an important factor for your trip to South Dakota, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 15.8 F).
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 June 12, 2025.
See what other customers who have flown with Alaska Airlines, Delta and United Airlines from Washington to South Dakota have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
Overall
Comfort
Entertainment
Boarding
Crew
Reviews
Anonymous,Aug 2024
SEA - LAS
Food
Overall
Comfort
Entertainment
Boarding
Crew
Reviews
Anonymous,Aug 2024
SEA - LAS
Food
Overall
Comfort
Entertainment
Boarding
Crew
Reviews
Anonymous,Aug 2024
SEA - LAS
Food
Overall
Comfort
Entertainment
Boarding
Crew
Reviews
Anonymous,Aug 2024
SEA - LAS
Food
Overall
Comfort
Entertainment
Boarding
Crew
Reviews
Anonymous,Aug 2024
SEA - LAS
Food
Overall
Comfort
Entertainment
Boarding
Crew
Reviews
Anonymous,Aug 2024
SEA - LAS
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
See prices for flight routes from nearby airports that may be better suited for you.
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 June 12, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$118 | Average$288 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$137 | Average$380 | FlexibilityNo cancel fee | On-time83% | |
| Cheapest$208 | Average$450 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$258 | Average$414 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$258 | Average$541 | FlexibilityNo cancel fee | On-time69% |