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Cheap flights from Sioux Falls to Seattle from $102

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 Seattle departing on 4/13. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Sioux Falls to Seattle

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
2:16 pm - 10:55 am
FSD
-
SEA
22h 39m
1 stop
Multiple Airlines Logo
9:23 pm - 11:54 am
SEA
-
FSD
12h 31m
1 stop
$271Multiple Airlines
Thu, Feb 26 - Sun, Mar 1
American Airlines Logo
1:22 pm - 7:25 pm
FSD
-
SEA
8h 03m
1 stop
American Airlines Logo
12:59 am - 12:37 pm
SEA
-
FSD
9h 38m
1 stop
$289American Airlines
Tue, Mar 10 - Mon, Mar 16
United Airlines Logo
6:00 am - 9:40 am
FSD
-
SEA
5h 40m
1 stop
United Airlines Logo
7:08 am - 8:20 pm
SEA
-
FSD
11h 12m
2 stops
$294United Airlines
Wed, May 6 - Sun, May 10
American Airlines Logo
5:21 pm - 12:55 am
FSD
-
SEA
9h 34m
1 stop
American Airlines Logo
12:59 am - 1:01 pm
SEA
-
FSD
10h 02m
1 stop
$314American Airlines
Thu, Apr 2 - Mon, Apr 6
United Airlines Logo
5:00 pm - 9:12 pm
FSD
-
SEA
6h 12m
1 stop
United Airlines Logo
5:00 am - 5:21 pm
SEA
-
FSD
10h 21m
2 stops
$332United Airlines
Tue, Feb 24 - Tue, Mar 3
United Airlines Logo
1:38 pm - 6:04 pm
FSD
-
SEA
6h 26m
1 stop
United Airlines Logo
7:15 am - 8:40 pm
SEA
-
FSD
11h 25m
2 stops
$354United Airlines
Tue, Mar 10 - Tue, Mar 17
American Airlines Logo
2:08 pm - 11:04 pm
FSD
-
SEA
10h 56m
1 stop
American Airlines Logo
7:21 am - 10:55 pm
SEA
-
FSD
13h 34m
1 stop
$355American Airlines
Fri, Mar 6 - Tue, Mar 10
Multiple Airlines Logo
2:16 pm - 8:13 am
FSD
-
SEA
19h 57m
2 stops
Multiple Airlines Logo
9:23 pm - 11:54 am
SEA
-
FSD
12h 31m
1 stop
$365Multiple Airlines
Thu, Feb 26 - Sun, Mar 1
Multiple Airlines Logo
8:54 pm - 8:03 pm
FSD
-
SEA
25h 09m
2 stops
Multiple Airlines Logo
10:08 pm - 12:29 pm
SEA
-
FSD
12h 21m
1 stop
$373Multiple Airlines
Fri, Mar 6 - Tue, Mar 10
Frontier Logo
2:42 pm - 10:54 am
FSD
-
SEA
22h 12m
2 stops
Frontier Logo
1:16 pm - 12:56 pm
SEA
-
FSD
21h 40m
1 stop
$374Frontier
Mon, Feb 23 - Thu, Feb 26

American Airlines flights from Sioux Falls to Seattle

Our best American Airlines deals on Sioux Falls to Seattle flight tickets
American Airlines
Mar 10
FSD1:22 pmSioux Falls Joe Foss Field
8h 03m
1 stop
SEA7:25 pmSeattle/Tacoma Intl
Mar 16
SEA12:59 amSeattle/Tacoma Intl
9h 38m
1 stop
FSD12:37 pmSioux Falls Joe Foss Field
$289
American Airlines
Apr 2
FSD5:21 pmSioux Falls Joe Foss Field
9h 34m
1 stop
SEA12:55 amSeattle/Tacoma Intl
Apr 6
SEA12:59 amSeattle/Tacoma Intl
10h 02m
1 stop
FSD1:01 pmSioux Falls Joe Foss Field
$314
American Airlines
Mar 6
FSD2:08 pmSioux Falls Joe Foss Field
10h 56m
1 stop
SEA11:04 pmSeattle/Tacoma Intl
Mar 10
SEA7:21 amSeattle/Tacoma Intl
13h 34m
1 stop
FSD10:55 pmSioux Falls Joe Foss Field
$355

United Airlines flights from Sioux Falls to Seattle

Our best United Airlines deals on Sioux Falls to Seattle flight tickets
United Airlines
May 6
FSD6:00 amSioux Falls Joe Foss Field
5h 40m
1 stop
SEA9:40 amSeattle/Tacoma Intl
May 10
SEA7:08 amSeattle/Tacoma Intl
11h 12m
2 stops
FSD8:20 pmSioux Falls Joe Foss Field
$294
United Airlines
Feb 24
FSD5:00 pmSioux Falls Joe Foss Field
6h 12m
1 stop
SEA9:12 pmSeattle/Tacoma Intl
Mar 3
SEA5:00 amSeattle/Tacoma Intl
10h 21m
2 stops
FSD5:21 pmSioux Falls Joe Foss Field
$332
United Airlines
Mar 10
FSD1:38 pmSioux Falls Joe Foss Field
6h 26m
1 stop
SEA6:04 pmSeattle/Tacoma Intl
Mar 17
SEA7:15 amSeattle/Tacoma Intl
11h 25m
2 stops
FSD8:40 pmSioux Falls Joe Foss Field
$354

momondo Fare Finder

 
Customize your flight search to find flights from Sioux Falls to Seattle 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 January 29, 2026.
Use the filters below to find and compare flights from Sioux Falls to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Sioux FallsSeattle

FSD - SEA

FSDSEA

Sioux Falls Joe Foss Field

Thu 2/26

2:16 pm-10:55 am

1 stop22h 39m

Seattle/Tacoma Intl

Sun 3/1

9:23 pm-11:54 am

1 stop12h 31m

$271

Sioux FallsSeattle

FSD - SEA

FSDSEA

Sioux Falls Joe Foss Field

Tue 3/10

1:22 pm-7:25 pm

1 stop8h 03m

Seattle/Tacoma Intl

Mon 3/16

12:59 am-12:37 pm

1 stop9h 38m

$289

Sioux FallsSeattle

FSD - SEA

FSDSEA

Sioux Falls Joe Foss Field

Wed 5/6

6:00 am-9:40 am

1 stop5h 40m

Seattle/Tacoma Intl

Sun 5/10

7:08 am-8:20 pm

2 stops11h 12m

$294

Sioux FallsSeattle

FSD - SEA

FSDSEA

Sioux Falls Joe Foss Field

Thu 4/2

5:21 pm-12:55 am

1 stop9h 34m

Seattle/Tacoma Intl

Mon 4/6

12:59 am-1:01 pm

1 stop10h 02m

$314

Sioux FallsSeattle

FSD - SEA

FSDSEA

Sioux Falls Joe Foss Field

Tue 2/24

5:00 pm-9:12 pm

1 stop6h 12m

Seattle/Tacoma Intl

Tue 3/3

5:00 am-5:21 pm

2 stops10h 21m

$332

Sioux FallsSeattle

FSD - SEA

FSDSEA

Sioux Falls Joe Foss Field

Tue 3/10

1:38 pm-6:04 pm

1 stop6h 26m

Seattle/Tacoma Intl

Tue 3/17

7:15 am-8:40 pm

2 stops11h 25m

$354

Sioux FallsSeattle

FSD - SEA

FSDSEA

Sioux Falls Joe Foss Field

Fri 3/6

2:08 pm-11:04 pm

1 stop10h 56m

Seattle/Tacoma Intl

Tue 3/10

7:21 am-10:55 pm

1 stop13h 34m

$355

Sioux FallsSeattle

FSD - SEA

FSDSEA

Sioux Falls Joe Foss Field

Thu 2/26

2:16 pm-8:13 am

2 stops19h 57m

Seattle/Tacoma Intl

Sun 3/1

9:23 pm-11:54 am

1 stop12h 31m

$365

Sioux FallsSeattle

FSD - SEA

FSDSEA

Sioux Falls Joe Foss Field

Fri 3/6

8:54 pm-8:03 pm

2 stops25h 09m

Seattle/Tacoma Intl

Tue 3/10

10:08 pm-12:29 pm

1 stop12h 21m

$373

Sioux FallsSeattle

FSD - SEA

FSDSEA

Sioux Falls Joe Foss Field

Mon 2/23

2:42 pm-10:54 am

2 stops22h 12m

Seattle/Tacoma Intl

Thu 2/26

1:16 pm-12:56 pm

1 stop21h 40m

$374

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 Seattle from

How to get the cheapest flight ticket from Sioux Falls to Seattle

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 Seattle?

In general, August is the cheapest month to fly from Sioux Falls to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $321. If you don’t want to visit Seattle in August, then you should wait until April to fly from Sioux Falls, when ticket prices are also cheap, with an average price of $336.

How far in advance should I book a flight to Seattle?

You are more likely to see cheaper flights to Seattle from Sioux Falls when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $396 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Sioux Falls for as low as $291 on momondo.

How have Sioux Falls to Seattle flight prices changed over time?

As of January 2026, prices for Sioux Falls to Seattle flights are approximately 6% cheaper when compared to flights at the same time last year.

When to book flights from Sioux Falls to Seattle

Are you open to changing your travel dates? Check out the ideal times to fly from Sioux Falls to Seattle according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Sioux Falls to Seattle (FSD to SEA) flight deals and tips

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

Fastest flight time

5h 35m

Direct flights

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

  • How far is Sioux Falls Joe Foss Field to Seattle/Tacoma Intl by plane?

    The straight-line distance from Sioux Falls Joe Foss Field to Seattle/Tacoma Intl is 1262.9 mi. By plane, this route typically takes 5h 35m.

  • When did momondo last update prices for flights from Sioux Falls Joe Foss Field Airport to Seattle/Tacoma Intl Airport?

    Prices for flights from Sioux Falls Joe Foss Field Airport to Seattle/Tacoma Intl Airport were last updated today.

  • How many operators does momondo search for flights from Sioux Falls Joe Foss Field Airport to Seattle/Tacoma Intl Airport?

  • How old do you have to be to fly from Sioux Falls Joe Foss Field Airport to Seattle/Tacoma Intl Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Sioux Falls Joe Foss Field Airport to Seattle/Tacoma Intl Airport.

  • What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

    The necessary travel and health documents for your Seattle/Tacoma Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Sioux Falls to Seattle?

Best airlines flying from Sioux Falls to Seattle

Compare and see reviews for airlines that fly from Sioux Falls to Seattle with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $190Free CancellationRating
5.7
3,056 reviews
Search Frontier flights
DeltaPriceFrom $228Free CancellationRating
7.9
8,127 reviews
Search Delta flights
American AirlinesPriceFrom $268Free CancellationRating
7.2
11,206 reviews
Search American Airlines flights
United AirlinesPriceFrom $284Free CancellationRating
7.4
9,215 reviews
Search United Airlines flights

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Tacoma
Leavenworth
SeaTac
Ocean Shores
Renton
Olympia
Lynnwood
Kent
Marysville
Puyallup
Redmond
Cle Elum
Tukwila
Lakewood
Federal Way
Centralia
Westport
Kirkland
Fife
Tumwater

Why use momondo?

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

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

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

momondo does allow users to show only those flights to Seattle from Sioux Falls which offer a flexible booking policy as well as other useful filters and features.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Seattle from Sioux Falls.

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

If you are not ready to book a flight from Sioux Falls to Seattle now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Seattle and let you know when they change.

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