HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Washington

$126+ Cheap flights from Sioux Falls (FSD) to Washington

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/19. Fares are subject to change and may not be available on all flights or dates of travel.
FSD — SEA
jun. 17 — jun. 241
mar. 6/17
mar. 6/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Sioux Falls to Washington 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 Sioux Falls to Washington

Keep the following information in mind while searching for Sioux Falls to Washington flight deals. Data was last updated junio 12, 2025.

Round-trip from

$247
(Delta)

One-way from

$126
(United Airlines)

Popular in

March

Cheapest in

October

Average price

$566
From Sioux Falls Joe Foss Field to Washington
Search Deals
One-way flight from Sioux Falls Joe Foss Field to Washington
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($24 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($21 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2025
Search Deals

Find flight deals from Sioux Falls to Washington

Cheapest flights from Sioux Falls to Washington
Explore the most affordable flight options available from Sioux Falls to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on junio 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.
mar. 7/17:59 pmFSD - PDX
1 stop5h 33mDelta
mar. 7/85:00 pmPDX - FSD
1 stop4h 44mDelta
Deal found 6/11$247
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 8/92:35 pmFSD - PDX
1 stop6h 48mAmerican Airlines
sáb. 8/165:34 amPDX - FSD
1 stop9h 01mAmerican Airlines
Deal found 6/9$251
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.
sáb. 10/255:14 pmFSD - PSC
1 stop5h 25mUnited Airlines
mar. 10/285:05 amPSC - FSD
1 stop5h 26mUnited Airlines
Deal found 6/10$259
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.
sáb. 8/305:00 amFSD - SEA
1 stop5h 48mDelta
mié. 9/101:40 pmSEA - FSD
1 stop8h 06mDelta
Deal found 6/11$269
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.
vie. 8/222:35 pmFSD - SEA
1 stop7h 59mAmerican Airlines
dom. 8/2412:58 amSEA - FSD
1 stop10h 00mAmerican Airlines
Deal found 6/10$270
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 8/142:57 pmFSD - SEA
1 stop11h 37mFrontier
jue. 8/216:17 amSEA - FSD
1 stop5h 06mFrontier
Deal found 6/12$271
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 7/237:48 pmFSD - PDX
1 stop5h 36mFrontier
jue. 7/246:35 amPDX - FSD
1 stop5h 27mFrontier
Deal found 6/11$276
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.
mié. 8/206:00 amFSD - GEG
1 stop7h 44mAmerican Airlines
sáb. 8/2312:29 pmGEG - FSD
1 stop6h 34mAmerican Airlines
Deal found 6/11$285
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.
mié. 7/231:42 pmFSD - SEA
1 stop28h 43mMultiple Airlines
jue. 7/315:30 pmSEA - FSD
1 stop15h 37mMultiple Airlines
Deal found 6/11$285
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 6/307:59 pmFSD - GEG
1 stop5h 12mDelta
mié. 7/22:22 pmGEG - FSD
1 stop7h 22mDelta
Deal found 6/9$289
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.
sáb. 10/254:09 pmFSD - PSC
2 stops8h 42mDelta
mar. 10/286:00 amPSC - FSD
2 stops11h 12mDelta
Deal found 6/10$297
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.
jue. 8/145:10 pmFSD - PDX
2 stops9h 25mUnited Airlines
dom. 8/174:16 pmPDX - FSD
1 stop5h 20mUnited Airlines
Deal found 6/9$327

Cheapflights Fare Finder

Customize your flight search to find flights from Sioux Falls to Washington that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated junio 12, 2025.
Use the filters below to find and compare flights from Sioux Falls to Washington that are best for you.

Fly from

Sioux Falls

Fly to

Washington

Route

Depart

Return

Price

Sioux FallsPortland

FSD - PDX

FSDPDX

Sioux Falls Joe Foss Field

mar. 7/1

7:59 pm-11:32 pm

1 stop5h 33m

Portland

mar. 7/8

5:00 pm-11:44 pm

1 stop4h 44m

$247

Sioux FallsPortland

FSD - PDX

FSDPDX

Sioux Falls Joe Foss Field

sáb. 8/9

2:35 pm-7:23 pm

1 stop6h 48m

Portland

sáb. 8/16

5:34 am-4:35 pm

1 stop9h 01m

$251

Sioux FallsPasco

FSD - PSC

FSDPSC

Sioux Falls Joe Foss Field

sáb. 10/25

5:14 pm-8:39 pm

1 stop5h 25m

Pasco Tri Cities

mar. 10/28

5:05 am-12:31 pm

1 stop5h 26m

$259

Sioux FallsSeattle

FSD - SEA

FSDSEA

Sioux Falls Joe Foss Field

sáb. 8/30

5:00 am-8:48 am

1 stop5h 48m

Seattle/Tacoma Intl

mié. 9/10

1:40 pm-11:46 pm

1 stop8h 06m

$269

Sioux FallsSeattle

FSD - SEA

FSDSEA

Sioux Falls Joe Foss Field

vie. 8/22

2:35 pm-8:34 pm

1 stop7h 59m

Seattle/Tacoma Intl

dom. 8/24

12:58 am-12:58 pm

1 stop10h 00m

$270

Sioux FallsSeattle

FSD - SEA

FSDSEA

Sioux Falls Joe Foss Field

jue. 8/14

2:57 pm-12:34 am

1 stop11h 37m

Seattle/Tacoma Intl

jue. 8/21

6:17 am-1:23 pm

1 stop5h 06m

$271

Sioux FallsPortland

FSD - PDX

FSDPDX

Sioux Falls Joe Foss Field

mié. 7/23

7:48 pm-11:24 pm

1 stop5h 36m

Portland

jue. 7/24

6:35 am-2:02 pm

1 stop5h 27m

$276

Sioux FallsSeattle

FSD - SEA

FSDSEA

Sioux Falls Joe Foss Field

mié. 7/23

1:42 pm-4:25 pm

1 stop28h 43m

Seattle/Tacoma Intl

jue. 7/31

5:30 pm-11:07 am

1 stop15h 37m

$285

Sioux FallsSpokane

FSD - GEG

FSDGEG

Sioux Falls Joe Foss Field

mié. 8/20

6:00 am-11:44 am

1 stop7h 44m

Spokane

sáb. 8/23

12:29 pm-9:03 pm

1 stop6h 34m

$285

Sioux FallsSpokane

FSD - GEG

FSDGEG

Sioux Falls Joe Foss Field

lun. 6/30

7:59 pm-11:11 pm

1 stop5h 12m

Spokane

mié. 7/2

2:22 pm-11:44 pm

1 stop7h 22m

$289

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 37 results
1
2
3
4

Best time to book a flight from Sioux Falls to Washington

Have a flexible travel schedule? Discover the best time to fly to Washington from Sioux Falls with our price prediction graph.
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 Sioux Falls to Washington

What is the cheapest month to book a flight from Sioux Falls to State of Washington?

Currently, January is the cheapest month in which you can book a flight from Sioux Falls to State of Washington (average of $238). Flying from Sioux Falls to State of Washington in July is currently the most expensive (average of $391). 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 FSD to WA?

Find hourly flight availability from Sioux Falls to Washington. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated junio 12, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Sioux Falls to State of Washington as you normally would.

Rainfall in Washington by month

Plan your trip to Washington by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in State of Washington ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit State of Washington when rainfall is around 0.7 in.

Temperature in Washington by month

Plan your trip to Washington by taking into account the average temperature totals by month.

If weather is an important factor for your trip to State of Washington, 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 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Washington

Get insights into the airlines that provide service to Washington. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Washington. Reviews last updated junio 12, 2025.
Read through reviews of airlines operating flights from Sioux Falls to Washington, such as Alaska Airlines, Delta and United 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.
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,946 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Allegiant Air
7.3
Good
725 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Related info for your journey

Find useful and relevant information for your journey from Sioux Falls to Washington. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Sioux Falls to Washington?

    Sioux Falls Joe Foss Field (FSD), located 2.6 mi from the city center, is the airport you fly out of when you book flights from Sioux Falls to Washington.

  • What are the cheapest airlines to fly from Sioux Falls to State of Washington one-way?

    For one-way options, check prices for United Airlines. According to our data, you can fly for as low as $126. Users have also found prices from $135 and $192 on Frontier and Allegiant Air, respectively.

  • What are the most popular routes from Sioux Falls to State of Washington?

    While some choose either Sioux Falls Joe Foss Field - Portland or Sioux Falls Joe Foss Field - Spokane, Sioux Falls Joe Foss Field - Seattle/Tacoma Intl is the most popular route from Sioux Falls to State of Washington.

  • Can I find deals for flights from Sioux Falls to Washington that include hotel bookings?

    Yes. In addition to deals on Sioux Falls to Washington flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Sioux Falls to Washington?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sioux Falls to Washington.

  • Can I find deals for business class flights from Sioux Falls to Washington?

    Yes. Cheapflights offers flight deals from Sioux Falls to Washington by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Sioux Falls to State of Washington?

    Currently, January is the cheapest month in which you can book a flight from Sioux Falls to State of Washington (average of $238). Flying from Sioux Falls to State of Washington in July is currently the most expensive (average of $391). 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Sioux Falls to Washington

See prices for flight routes from nearby airports that may be better suited for you.
Sioux Falls to Denver flights
Sioux Falls to Dallas/Fort Worth flights
Sioux Falls to Seattle flights
Sioux Falls to O'Hare Intl flights
Sioux Falls to Orlando flights
Sioux Falls to Sky Harbor Intl flights
Sioux Falls to Salt Lake City flights
Sioux Falls to Las Vegas flights
Sioux Falls to Indianapolis flights
Rapid City to O'Hare Intl flights
Sioux Falls to Atlanta flights
Rapid City to Minneapolis flights
Sioux Falls to Portland flights
Sioux Falls to John F Kennedy Intl flights
Rapid City to Dallas/Fort Worth flights
Sioux Falls to Buffalo flights
Sioux Falls to Charleston flights
Sioux Falls to Boston flights
Rapid City to John F Kennedy Intl flights
Rapid City to Seattle flights
Sioux Falls to Dulles Intl flights
Sioux Falls to Jacksonville flights
Sioux Falls to Spokane flights
Sioux Falls to Hobby flights
Sioux Falls to Honolulu flights
Sioux Falls to Midway flights
Rapid City to Hobby flights
Sioux Falls to Newark flights
Rapid City to George Bush Intcntl flights
Sioux Falls to LaGuardia flights
Sioux Falls to San Diego flights
Rapid City to LaGuardia flights
Sioux Falls to Detroit flights
Rapid City to Newark flights
Rapid City to Denver flights
Rapid City to Boston flights
Sioux Falls to Pittsburgh flights
Sioux Falls to Oklahoma City flights
Rapid City to Savannah flights
Sioux Falls to Sacramento flights
Sioux Falls to San Antonio flights
Sioux Falls to Baltimore flights
Sioux Falls to George Bush Intcntl flights
Sioux Falls to Phoenix-Mesa Gateway flights
Rapid City to Las Vegas flights
Sioux Falls to Nashville flights
Rapid City to Midway flights
Sioux Falls to Los Angeles flights
Sioux Falls to Reagan-National flights
Sioux Falls to Sarasota flights

Top 4 airlines flying from Sioux Falls to Washington

Discover the top 4 airlines that operate flights from Sioux Falls to Washington. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated junio 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$138Average$230FlexibilityNo cancel feeOn-time62%
DeltaCheapest$198Average$388FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$258Average$603FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$268Average$452FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.