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$135+ 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 5/5. Fares are subject to change and may not be available on all flights or dates of travel.
FSD — SEA
May 4 — May 111
Sun 5/4
Sun 5/11
1 adult, Economy
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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 April 29, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$258
(Frontier)

One-way from

$135
(Frontier)

Popular in

March

Cheapest in

October

Average price

$463
Provider with most accurate pricing for Sioux Falls Joe Foss Field-Seattle/Tacoma Intl flight deals.
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Provider most trusted by Cheapflights users for Sioux Falls Joe Foss Field-Seattle/Tacoma Intl flights.
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From Sioux Falls Joe Foss Field to Washington
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One-way flight from Sioux Falls Joe Foss Field to Washington
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Highest demand for flights based on searches. 3% potential increase in price ($17 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($19 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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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 April 29, 2025.

This Frontier deal was found by Cheapflights users on 4/29. 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 5/303:58 pmFSD - SEA
1 stop10h 39mFrontier
Mon 6/26:25 amSEA - FSD
1 stop6h 33mFrontier
Deal found 4/29$258
This Delta deal was found by Cheapflights users on 4/29. 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 6/37:59 pmFSD - GEG
1 stop5h 16mDelta
Sun 6/87:30 pmGEG - FSD
2 stops12h 44mDelta
Deal found 4/29$260
This Trip.com deal was found by Cheapflights users on 4/28. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/269:58 pmFSD - SEA
1 stop15h 48mMultiple Airlines
Mon 6/210:49 amSEA - FSD
1 stop8h 19mMultiple Airlines
Deal found 4/28$275
This American Airlines deal was found by Cheapflights users on 4/29. 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 5/141:32 pmFSD - GEG
1 stop9h 21mAmerican Airlines
Sun 5/181:22 pmGEG - FSD
1 stop6h 15mAmerican Airlines
Deal found 4/29$289
This Delta deal was found by Cheapflights users on 4/28. 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 5/134:20 pmFSD - PSC
1 stop5h 15mDelta
Sat 5/176:45 amPSC - FSD
1 stop6h 51mDelta
Deal found 4/28$289
This Delta deal was found by Cheapflights users on 4/27. 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 6/106:07 pmFSD - PDX
2 stops7h 32mDelta
Wed 6/188:29 pmPDX - FSD
2 stops11h 45mDelta
Deal found 4/27$295
This United Airlines deal was found by Cheapflights users on 4/29. 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 5/146:00 amFSD - GEG
2 stops10h 41mUnited Airlines
Sun 5/186:00 amGEG - FSD
2 stops12h 49mUnited Airlines
Deal found 4/29$299
This Mytrip deal was found by Cheapflights users on 4/29. 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.
Sun 6/89:33 pmFSD - GEG
1 stop15h 45mAllegiant Air
Sun 6/159:35 amGEG - FSD
1 stop23h 34mAllegiant Air
Deal found 4/29$310
This American Airlines deal was found by Cheapflights users on 4/28. 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 7/115:11 pmFSD - PDX
1 stop9h 16mAmerican Airlines
Wed 7/165:30 amPDX - FSD
1 stop9h 01mAmerican Airlines
Deal found 4/28$319
This United Airlines deal was found by Cheapflights users on 4/28. 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 5/1311:40 amFSD - PSC
2 stops13h 40mUnited Airlines
Sat 5/171:35 pmPSC - FSD
2 stops8h 11mUnited Airlines
Deal found 4/28$330
This CheapOair deal was found by Cheapflights users on 4/28. 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 7/172:57 pmFSD - PDX
1 stop11h 19mFrontier
Tue 7/226:53 pmPDX - FSD
1 stop22h 01mFrontier
Deal found 4/28$343
This Mytrip deal was found by Cheapflights users on 4/29. 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.
Sun 6/89:33 pmFSD - GEG
1 stop15h 45mMultiple Airlines
Sun 6/159:35 amGEG - FSD
2 stops33h 44mMultiple Airlines
Deal found 4/29$371

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 April 29, 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

Fri 5/30

3:58 pm-12:37 am

1 stop10h 39m

Seattle/Tacoma Intl

Mon 6/2

6:25 am-2:58 pm

1 stop6h 33m

$258

Sioux FallsSpokane

FSD - GEG

FSDGEG

Sioux Falls Joe Foss Field

Tue 6/3

7:59 pm-11:15 pm

1 stop5h 16m

Spokane

Sun 6/8

7:30 pm-10:14 am

2 stops12h 44m

$260

Sioux FallsSeattle

FSD - SEA

FSDSEA

Sioux Falls Joe Foss Field

Mon 5/26

9:58 pm-11:46 am

1 stop15h 48m

Seattle/Tacoma Intl

Mon 6/2

10:49 am-9:08 pm

1 stop8h 19m

$275

Sioux FallsSpokane

FSD - GEG

FSDGEG

Sioux Falls Joe Foss Field

Wed 5/14

1:32 pm-8:53 pm

1 stop9h 21m

Spokane

Sun 5/18

1:22 pm-9:37 pm

1 stop6h 15m

$289

Sioux FallsPortland

FSD - PDX

FSDPDX

Sioux Falls Joe Foss Field

Tue 6/10

6:07 pm-11:39 pm

2 stops7h 32m

Portland

Wed 6/18

8:29 pm-10:14 am

2 stops11h 45m

$295

Sioux FallsSpokane

FSD - GEG

FSDGEG

Sioux Falls Joe Foss Field

Wed 5/14

6:00 am-2:41 pm

2 stops10h 41m

Spokane

Sun 5/18

6:00 am-8:49 pm

2 stops12h 49m

$299

Sioux FallsSpokane

FSD - GEG

FSDGEG

Sioux Falls Joe Foss Field

Sun 6/8

9:33 pm-11:18 am

1 stop15h 45m

Spokane

Sun 6/15

9:35 am-11:09 am

1 stop23h 34m

$310

Sioux FallsPortland

FSD - PDX

FSDPDX

Sioux Falls Joe Foss Field

Fri 7/11

5:11 pm-12:27 am

1 stop9h 16m

Portland

Wed 7/16

5:30 am-4:31 pm

1 stop9h 01m

$319

Sioux FallsPortland

FSD - PDX

FSDPDX

Sioux Falls Joe Foss Field

Thu 7/17

2:57 pm-12:16 am

1 stop11h 19m

Portland

Tue 7/22

6:53 pm-6:54 pm

1 stop22h 01m

$343

Sioux FallsSpokane

FSD - GEG

FSDGEG

Sioux Falls Joe Foss Field

Sun 6/8

9:33 pm-11:18 am

1 stop15h 45m

Spokane

Sun 6/15

9:35 am-9:19 pm

2 stops33h 44m

$371

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 28 results
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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 $405). 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 April 29, 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 April 29, 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
9,961 reviews

Food

7.1

Comfort

7.9

Boarding

8.2

Entertainment

7.1

Overall

8.0

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
9,961 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Food

7.1

Comfort

7.9

Boarding

8.2

Entertainment

7.1

Overall

8.0

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
7,929 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Food

7.1

Comfort

7.9

Boarding

8.2

Entertainment

7.1

Overall

8.0

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
8,696 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Food

7.1

Comfort

7.9

Boarding

8.2

Entertainment

7.1

Overall

8.0

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
734 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Food

7.1

Comfort

7.9

Boarding

8.2

Entertainment

7.1

Overall

8.0

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
9,961 reviews

Food

7.1

Comfort

7.9

Boarding

8.2

Entertainment

7.1

Overall

8.0

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 Frontier. According to our data, you can fly for as low as $135. Users have also found prices from $195 and $200 on Delta and United Airlines, 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 $405). 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.

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Alternative routes for Sioux Falls to Washington

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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 April 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$138Average$223FlexibilityNo cancel feeOn-time62%
DeltaCheapest$198Average$397FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$268Average$492FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$318Average$607FlexibilityNo cancel feeOn-time69%

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