HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Washington

$121+ 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 10/27. Fares are subject to change and may not be available on all flights or dates of travel.
FSD — SEA
Nov 13 — Nov 201
Thu 11/13
Thu 11/20
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 October 14, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$175
(Kiwi.com)

One-way from

$121
(Trip.com)

Popular in

March

Cheapest in

August

Average price

$373
Provider with most accurate pricing for Sioux Falls Joe Foss Field-Seattle/Tacoma Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Sioux Falls Joe Foss Field-Seattle/Tacoma Intl flights.
Search Deals
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. 12% potential increase in price ($62 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($25 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 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 October 14, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/132:13 pmFSD - SEA
2 stops20h 05mFrontier
Sat 12/67:05 pmSEA - FSD
1 stop21h 33mFrontier
Deal found 10/12$175
This Delta deal was found by Cheapflights users on 10/11. 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.
Sat 11/15:30 amFSD - GEG
1 stop8h 11mDelta
Tue 11/45:45 amGEG - FSD
1 stop5h 10mDelta
Deal found 10/11$251
This American Airlines deal was found by Cheapflights users on 10/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/115:30 amFSD - PDX
1 stop7h 18mAmerican Airlines
Sat 11/153:15 pmPDX - FSD
1 stop6h 16mAmerican Airlines
Deal found 10/14$251
This Delta deal was found by Cheapflights users on 10/12. 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.
Sat 11/155:18 amFSD - PDX
2 stops10h 00mDelta
Tue 11/181:53 pmPDX - FSD
1 stop7h 07mDelta
Deal found 10/12$256
This Kiwi.com deal was found by Cheapflights users on 10/14. 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.
Sat 11/812:30 pmFSD - SEA
1 stop21h 48mMultiple Airlines
Fri 11/148:22 pmSEA - FSD
1 stop13h 18mMultiple Airlines
Deal found 10/14$262
This United Airlines deal was found by Cheapflights users on 10/13. 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.
Mon 11/106:00 amFSD - SEA
1 stop6h 35mUnited Airlines
Mon 11/1711:30 pmSEA - FSD
1 stop9h 12mUnited Airlines
Deal found 10/13$269
This Delta deal was found by Cheapflights users on 10/14. 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.
Wed 10/291:35 pmFSD - GEG
1 stop8h 11mDelta
Wed 11/512:51 pmGEG - FSD
1 stop8h 05mDelta
Deal found 10/14$270
This United Airlines deal was found by Cheapflights users on 10/14. 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.
Sat 11/81:47 pmFSD - SEA
2 stops11h 57mUnited Airlines
Fri 11/1412:35 pmSEA - FSD
1 stop7h 11mUnited Airlines
Deal found 10/14$274
This Delta deal was found by Cheapflights users on 10/14. 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.
Mon 11/31:35 pmFSD - PDX
1 stop5h 52mDelta
Fri 11/712:40 amPDX - FSD
1 stop7h 33mDelta
Deal found 10/14$285
This Kiwi.com deal was found by Cheapflights users on 10/13. 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 11/72:27 pmFSD - PDX
1 stop23h 29mMultiple Airlines
Tue 11/111:26 pmPDX - FSD
2 stops43h 23mMultiple Airlines
Deal found 10/13$288
This American Airlines deal was found by Cheapflights users on 10/13. 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 10/296:49 amFSD - GEG
1 stop6h 54mAmerican Airlines
Sun 11/21:14 pmGEG - FSD
1 stop8h 45mAmerican Airlines
Deal found 10/13$289
This Delta deal was found by Cheapflights users on 10/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/115:18 amFSD - PDX
1 stop7h 56mDelta
Fri 11/1412:35 amPDX - FSD
1 stop7h 43mDelta
Deal found 10/13$305

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 October 14, 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 FallsSeattle

FSD - SEA

FSDSEA

Sioux Falls Joe Foss Field

Thu 11/13

2:13 pm-8:18 am

2 stops20h 05m

Seattle/Tacoma Intl

Sat 12/6

7:05 pm-6:38 pm

1 stop21h 33m

$175

Sioux FallsSpokane

FSD - GEG

FSDGEG

Sioux Falls Joe Foss Field

Sat 11/1

5:30 am-11:41 am

1 stop8h 11m

Spokane

Tue 11/4

5:45 am-12:55 pm

1 stop5h 10m

$251

Sioux FallsPortland

FSD - PDX

FSDPDX

Sioux Falls Joe Foss Field

Sat 11/15

5:18 am-1:18 pm

2 stops10h 00m

Portland

Tue 11/18

1:53 pm-11:00 pm

1 stop7h 07m

$256

Sioux FallsSpokane

FSD - GEG

FSDGEG

Sioux Falls Joe Foss Field

Wed 10/29

6:49 am-11:43 am

1 stop6h 54m

Spokane

Wed 11/5

1:14 pm-10:27 pm

1 stop7h 13m

$270

Sioux FallsSeattle

FSD - SEA

FSDSEA

Sioux Falls Joe Foss Field

Mon 11/10

8:57 am-6:25 pm

2 stops11h 28m

Seattle/Tacoma Intl

Mon 11/17

11:30 pm-10:42 am

1 stop9h 12m

$274

Sioux FallsPortland

FSD - PDX

FSDPDX

Sioux Falls Joe Foss Field

Mon 11/3

1:35 pm-5:27 pm

1 stop5h 52m

Portland

Fri 11/7

12:40 am-10:13 am

1 stop7h 33m

$285

Sioux FallsSpokane

FSD - GEG

FSDGEG

Sioux Falls Joe Foss Field

Wed 10/29

6:49 am-11:43 am

1 stop6h 54m

Spokane

Sun 11/2

1:14 pm-11:59 pm

1 stop8h 45m

$289

Sioux FallsSeattle

FSD - SEA

FSDSEA

Sioux Falls Joe Foss Field

Thu 11/27

10:58 am-6:39 am

2 stops21h 41m

Seattle/Tacoma Intl

Thu 1/8

6:05 am-3:33 pm

1 stop7h 28m

$318

Sioux FallsSpokane

FSD - GEG

FSDGEG

Sioux Falls Joe Foss Field

Fri 10/24

5:30 am-11:41 am

1 stop8h 11m

Spokane

Mon 10/27

1:10 pm-10:57 pm

2 stops7h 47m

$334

Sioux FallsSeattle

FSD - SEA

FSDSEA

Sioux Falls Joe Foss Field

Thu 11/13

6:00 am-1:38 pm

2 stops9h 38m

Seattle/Tacoma Intl

Sat 12/6

1:05 pm-11:43 pm

2 stops8h 38m

$335

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/12

Showing 1-10 of 33 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, March is the cheapest month in which you can book a flight from Sioux Falls to State of Washington (average of $131). Flying from Sioux Falls to State of Washington in June is currently the most expensive (average of $304). 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 October 14, 2025.

One of the essential ways to save on airfare from Sioux Falls to State of Washington is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the afternoon could potentially save you up to 37% on airfare.

What is the cheapest day to fly from Sioux Falls to State of Washington?

Use this chart to determine the cheapest time to fly round-trip from Sioux Falls to Washington. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Sioux Falls to State of Washington flight should consider departing on Friday evenings when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

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 October 14, 2025.
See what other customers who have flown with Delta, United Airlines, and American Airlines from Sioux Falls to Washington have to say. 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.
Delta
8.0
Very good
7,975 reviews

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Delta
8.0
Very good
7,975 reviews
Delta
8.0
Very good
7,975 reviews

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
United Airlines
7.4
Good
8,976 reviews
Delta
8.0
Very good
7,975 reviews

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
American Airlines
7.2
Good
11,042 reviews
Delta
8.0
Very good
7,975 reviews

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Frontier
5.8
Fair
3,135 reviews
Delta
8.0
Very good
7,975 reviews

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

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.

  • How long is the flight from Sioux Falls to State of Washington?

    For as low as $270, Frontier can have you in State of Washington from Sioux Falls in 6h 54m. The distance between Sioux Falls and State of Washington is about 1039 mi. This flight may include one or multiple stops.

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

    For one-way options, check prices for Frontier. According to our data, you can fly for as low as $121. Users have also found prices from $126 and $131 on American Airlines and Delta, 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, March is the cheapest month in which you can book a flight from Sioux Falls to State of Washington (average of $131). Flying from Sioux Falls to State of Washington in June is currently the most expensive (average of $304). 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 Orlando flights
Sioux Falls to Sky Harbor Intl flights
Sioux Falls to Las Vegas flights
Sioux Falls to Seattle flights
Sioux Falls to Dallas/Fort Worth flights
Sioux Falls to Los Angeles flights
Sioux Falls to John F Kennedy Intl flights
Sioux Falls to Newark flights
Sioux Falls to O'Hare Intl flights
Sioux Falls to LaGuardia flights
Sioux Falls to Fort Myers flights
Sioux Falls to Miami flights
Sioux Falls to Midway flights
Sioux Falls to Hobby flights
Sioux Falls to Phoenix-Mesa Gateway flights
Rapid City to Hobby flights
Sioux Falls to Ontario flights
Sioux Falls to Boston flights
Sioux Falls to Tampa flights
Sioux Falls to San Antonio flights
Sioux Falls to Nashville flights
Rapid City to Orlando flights
Sioux Falls to Atlanta flights
Sioux Falls to Pittsburgh flights
Sioux Falls to Portland flights
Rapid City to Lexington flights
Sioux Falls to George Bush Intcntl flights
Sioux Falls to Sarasota flights
Sioux Falls to Grand Rapids flights
Rapid City to Salt Lake City flights
Sioux Falls to Austin flights
Rapid City to Minneapolis flights
Sioux Falls to Cincinnati flights
Sioux Falls to Pensacola flights
Rapid City to Atlanta flights
Rapid City to Denver flights
Sioux Falls to Dulles Intl flights
Rapid City to George Bush Intcntl flights
Sioux Falls to Reagan-National flights
Rapid City to Miami flights
Rapid City to O'Hare Intl flights
Sioux Falls to Oklahoma City flights
Rapid City to Las Vegas flights
Sioux Falls to Salt Lake City flights
Sioux Falls to San Diego flights
Rapid City to Omaha flights
Sioux Falls to Spokane flights
Sioux Falls to Honolulu flights
Rapid City to Dulles Intl 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 October 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$183Average$280FlexibilityNo cancel feeOn-time62%
DeltaCheapest$208Average$380FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$254Average$380FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$258Average$507FlexibilityNo cancel feeOn-time69%

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.