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Cheap flights from Sioux Falls to Washington from $116

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Sioux Falls to Washington departing on 1/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Sioux Falls to Washington

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
3:56 pm - 11:09 am
FSD
-
SEA
21h 13m1 stop
Frontier Logo
1:16 pm - 12:56 pm
SEA
-
FSD
21h 40m1 stop
$197Frontier
Thu, Jan 15 - Thu, Feb 19
Frontier Logo
3:56 pm - 11:09 am
FSD
-
SEA
21h 13m1 stop
Frontier Logo
9:23 pm - 12:56 pm
SEA
-
FSD
13h 33m2 stops
$258Frontier
Thu, Jan 15 - Thu, Feb 19
Delta Logo
1:02 pm - 5:35 pm
FSD
-
PDX
6h 33m1 stop
Delta Logo
1:53 pm - 11:04 pm
PDX
-
FSD
7h 11m1 stop
$270Delta
Fri, Jan 30 - Tue, Feb 3
Delta Logo
11:02 am - 5:35 pm
FSD
-
PDX
8h 33m1 stop
Delta Logo
11:10 am - 11:04 pm
PDX
-
FSD
9h 54m2 stops
$275Delta
Fri, Jan 30 - Tue, Feb 3
American Airlines Logo
2:25 pm - 7:46 pm
FSD
-
GEG
7h 21m1 stop
American Airlines Logo
3:02 pm - 11:41 pm
GEG
-
FSD
6h 39m1 stop
$279American Airlines
Fri, Jan 16 - Mon, Jan 19
United Airlines Logo
1:40 pm - 9:07 pm
FSD
-
GEG
9h 27m2 stops
United Airlines Logo
1:44 pm - 8:39 pm
GEG
-
FSD
4h 55m1 stop
$280United Airlines
Wed, Feb 18 - Wed, Feb 25
United Airlines Logo
11:21 am - 6:03 pm
FSD
-
GEG
8h 42m1 stop
United Airlines Logo
1:44 pm - 8:39 pm
GEG
-
FSD
4h 55m1 stop
$283United Airlines
Wed, Feb 18 - Wed, Feb 25
American Airlines Logo
2:25 pm - 7:46 pm
FSD
-
GEG
7h 21m1 stop
American Airlines Logo
3:02 pm - 11:41 pm
GEG
-
FSD
6h 39m1 stop
$324American Airlines
Fri, Jan 16 - Mon, Jan 19
Multiple Airlines Logo
11:43 am - 10:42 pm
FSD
-
BLI
12h 59m1 stop
Multiple Airlines Logo
12:11 pm - 4:07 pm
BLI
-
FSD
25h 56m2 stops
$405Multiple Airlines
Thu, Jan 22 - Sun, Jan 25
Multiple Airlines Logo
11:43 am - 10:42 pm
FSD
-
BLI
12h 59m1 stop
Multiple Airlines Logo
12:11 pm - 6:11 pm
BLI
-
FSD
28h 00m3 stops
$447Multiple Airlines
Thu, Jan 22 - Sun, Jan 25

Frontier flights from Sioux Falls to State of Washington

Our best Frontier deals on Sioux Falls to State of Washington flight tickets
Frontier
Jan 15
FSD3:56 pmSioux Falls Joe Foss Field
21h 13m
1 stop
SEA11:09 amSeattle/Tacoma Intl
Feb 19
SEA1:16 pmSeattle/Tacoma Intl
21h 40m
1 stop
FSD12:56 pmSioux Falls Joe Foss Field
$197
Find similar
Frontier
Jan 15
FSD3:56 pmSioux Falls Joe Foss Field
21h 13m
1 stop
SEA11:09 amSeattle/Tacoma Intl
Feb 19
SEA9:23 pmSeattle/Tacoma Intl
13h 33m
2 stops
FSD12:56 pmSioux Falls Joe Foss Field
$258
Find similar
Frontier
Jan 2
FSD8:50 pmSioux Falls Joe Foss Field
17h 46m
1 stop
SEA12:36 pmSeattle/Tacoma Intl
Jan 9
SEA1:02 pmSeattle/Tacoma Intl
52h 39m
2 stops
FSD7:41 pmSioux Falls Joe Foss Field
$496
Find similar

Alaska Airlines flights from Sioux Falls to State of Washington

Our best Alaska Airlines deals on Sioux Falls to State of Washington flight tickets
Alaska Airlines
Jan 30
FSD12:26 pmSioux Falls Joe Foss Field
12h 00m
2 stops
GEG10:26 pmSpokane
Feb 1
GEG7:28 pmSpokane
20h 17m
2 stops
FSD5:45 pmSioux Falls Joe Foss Field
$369
Find similar
Alaska Airlines
Feb 12
FSD12:19 pmSioux Falls Joe Foss Field
8h 21m
1 stop
SEA6:40 pmSeattle/Tacoma Intl
Feb 18
SEA3:40 pmSeattle/Tacoma Intl
25h 26m
2 stops
FSD7:06 pmSioux Falls Joe Foss Field
$494
Find similar
Alaska Airlines
Feb 12
FSD12:19 pmSioux Falls Joe Foss Field
12h 20m
2 stops
SEA10:39 pmSeattle/Tacoma Intl
Feb 18
SEA6:59 pmSeattle/Tacoma Intl
22h 07m
2 stops
FSD7:06 pmSioux Falls Joe Foss Field
$499
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Sioux Falls to State of 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, momondo users made 832,500 searches. Data last updated December 18, 2025.
Use the filters below to find and compare flights from Sioux Falls to Washington that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Sioux FallsSeattle

FSD - SEA

FSDSEA

Sioux Falls Joe Foss Field

Thu 1/15

3:56 pm-11:09 am

1 stop21h 13m

Seattle/Tacoma Intl

Thu 2/19

1:16 pm-12:56 pm

1 stop21h 40m

$197

Sioux FallsSeattle

FSD - SEA

FSDSEA

Sioux Falls Joe Foss Field

Thu 1/15

3:56 pm-11:09 am

1 stop21h 13m

Seattle/Tacoma Intl

Thu 2/19

9:23 pm-12:56 pm

2 stops13h 33m

$258

Sioux FallsPortland

FSD - PDX

FSDPDX

Sioux Falls Joe Foss Field

Fri 1/30

1:02 pm-5:35 pm

1 stop6h 33m

Portland

Tue 2/3

1:53 pm-11:04 pm

1 stop7h 11m

$270

Sioux FallsPortland

FSD - PDX

FSDPDX

Sioux Falls Joe Foss Field

Fri 1/30

11:02 am-5:35 pm

1 stop8h 33m

Portland

Tue 2/3

11:10 am-11:04 pm

2 stops9h 54m

$275

Sioux FallsSpokane

FSD - GEG

FSDGEG

Sioux Falls Joe Foss Field

Fri 1/16

2:25 pm-7:46 pm

1 stop7h 21m

Spokane

Mon 1/19

3:02 pm-11:41 pm

1 stop6h 39m

$279

Sioux FallsSpokane

FSD - GEG

FSDGEG

Sioux Falls Joe Foss Field

Wed 2/18

1:40 pm-9:07 pm

2 stops9h 27m

Spokane

Wed 2/25

1:44 pm-8:39 pm

1 stop4h 55m

$280

Sioux FallsSpokane

FSD - GEG

FSDGEG

Sioux Falls Joe Foss Field

Wed 2/18

11:21 am-6:03 pm

1 stop8h 42m

Spokane

Wed 2/25

1:44 pm-8:39 pm

1 stop4h 55m

$283

Sioux FallsSpokane

FSD - GEG

FSDGEG

Sioux Falls Joe Foss Field

Fri 1/16

2:25 pm-7:46 pm

1 stop7h 21m

Spokane

Mon 1/19

3:02 pm-11:41 pm

1 stop6h 39m

$324

Sioux FallsBellingham

FSD - BLI

FSDBLI

Sioux Falls Joe Foss Field

Thu 1/22

11:43 am-10:42 pm

1 stop12h 59m

Bellingham

Sun 1/25

12:11 pm-4:07 pm

2 stops25h 56m

$405

Sioux FallsBellingham

FSD - BLI

FSDBLI

Sioux Falls Joe Foss Field

Thu 1/22

11:43 am-10:42 pm

1 stop12h 59m

Bellingham

Sun 1/25

12:11 pm-6:11 pm

3 stops28h 00m

$447

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Washington from

How to get the cheapest flight ticket from Sioux Falls to State of Washington

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to State of Washington?

The month of August is, on average, the cheapest month to fly to State of Washington from Sioux Falls, with most prices found around $321. If you aren’t able to travel to State of Washington during the month of August, then flying in July is also cheap. Prices for this month can be found on momondo for an average of $339.

What is the cheapest day to depart on your flight to State of Washington?

The cheapest day to depart from Sioux Falls to State of Washington is on a Tuesday. Travelers who choose to depart for State of Washington on a Tuesday will often find tickets for as low as $550. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Sioux Falls to State of Washington for around $754.

What is the cheapest time of day to depart on your flight to State of Washington?

The cheapest time of day to fly to State of Washington is at noon when flights can be purchased for as low as $527. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $594 on average. Flights to State of Washington from Sioux Falls in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

How far in advance should I book a flight to State of Washington?

You are more likely to see cheaper flights to State of Washington from Sioux Falls when booking weeks ahead of your departure date. In general, you can expect to find flights to State of Washington for around $410 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to State of Washington from Sioux Falls for as low as $289 on momondo.

Cheap Sioux Falls to State of Washington flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Sioux Falls to State of Washington

Fastest flight time

5h 35m

Direct flights

None
The fastest flight from Sioux Falls to State of Washington takes 5h 35m
There are no direct flights from Sioux Falls to State of Washington. There are no popular flight routes from Sioux Falls to State of Washington.
Search flight deals

  • When did momondo last update prices for flights from Sioux Falls Joe Foss Field Airport to Washington?

    Prices for flights from Sioux Falls Joe Foss Field Airport to Washington are updated daily.

  • How many operators does momondo search for flights from Sioux Falls Joe Foss Field Airport to Washington?

  • How old do you have to be to fly from Sioux Falls Joe Foss Field Airport to Washington?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Sioux Falls Joe Foss Field Airport to Washington.

  • What documentation or ID do you need to fly to Washington?

    The required travel and health documents for your Washington trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Washington. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Sioux Falls to State of Washington

Compare and see reviews for airlines that fly from Sioux Falls to State of Washington with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $190Free CancellationRating
5.8
3,081 reviews
Search Frontier flights
DeltaPriceFrom $208Free CancellationRating
7.9
8,005 reviews
Search Delta flights
American AirlinesPriceFrom $254Free CancellationRating
7.2
11,055 reviews
Search American Airlines flights
United AirlinesPriceFrom $258Free CancellationRating
7.4
9,092 reviews
Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Sioux Falls to Washington?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Sioux Falls to Washington. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Sioux Falls to Washington with flexible booking policies on momondo?

All flight searches from Sioux Falls to Washington on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Sioux Falls to Washington?

momondo helps you find the best flight between Sioux Falls and Washington by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Sioux Falls to Washington right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Washington, momondo offers a useful price alert feature which will track prices for flights to Washington from Sioux Falls and alert you when they change.

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