Cheap flights from Sioux Falls to Seattle (FSD - SEA)

Know your dates, get live prices in seconds:

From
To
Depart
Return
Any month
Compare vs. Cheapflights |
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime

We work with more than 300 partners to bring you better travel deals

The best prices from Sioux Falls Joe Foss Field to Seattle/Tacoma Intl are usually found in October or January, booked 29 days in advance, depart on a Tuesday or Thursday and return on a Friday

How to find the cheapest flight from
Sioux Falls (FSD) to Seattle (SEA)

All the information you need to plan the best FSD to SEA flight in 2022: compare Sioux Falls to Seattle flight prices with the expected peak season, weather and rainfall in Seattle.
FSD - SEA
Price
$234 - $867
SEA
Temperature
41 - 66.2 °F
SEA
Rainfall
0.7 - 6.6 inches

Popular in

June

High demand for flights, 53% potential price rise

Cheapest in

October

Best time to find cheap flights, 43% potential price drop

Round-trip from

$234

From Sioux Falls Joe Foss Field to Seattle/Tacoma Intl

One-way from

$119

One-way flight from Sioux Falls Joe Foss Field to Seattle/Tacoma Intl

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
When is the cheapest time to fly from Sioux Falls to Seattle (FSD - SEA)?

It’s optimal to fly from Sioux Falls to Seattle in the evening. By choosing this option you can save up to 41% on the cost of your flight, compared to a flight in the morning.

What is the cheapest month to fly from Sioux Falls to Seattle?

Due to multiple factors, expect to potentially pay more when booking in June. For low rates, October can be a great choice for travel to Seattle. Flights to Seattle from Sioux Falls in October are about $411 on average during October, but can be found for as low as $234.

What is the cheapest day to fly round-trip from Sioux Falls to Seattle?

Monday is generally a great day to depart. Flying on this day could help you save up to 38%.

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

Users have found that booking a flight from Sioux Falls to Seattle at least 28 days early can save you up to 46% on average compared to booking a flight this week. If booking 28 days before your flight isn’t an option for you, users have found flights from Sioux Falls to Seattle for as little as $484 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $611 for flights departing within the next 3 days.

Cheap flights from Sioux Falls to Seattle in August, September 2022

The best prices found for FSD to SEA flights for August, September
25 Aug - 29 Aug
$258pp
FSD
Sioux Falls Joe Foss Field
Frontier
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Frontier
 
1 STOP
FSD
Sioux Falls Joe Foss Field
23 Aug - 29 Aug
$266pp
FSD
Sioux Falls Joe Foss Field
Frontier
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Frontier
 
1 STOP
FSD
Sioux Falls Joe Foss Field
25 Aug - 26 Aug
$274pp
FSD
Sioux Falls Joe Foss Field
Frontier
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Frontier
 
1 STOP
FSD
Sioux Falls Joe Foss Field

Sioux Falls Joe Foss Field to Seattle 2022 flight deals

Cheap flights to Seattle from Sioux Falls found for this year
13 Oct - 25 Oct
$237pp
FSD
Sioux Falls Joe Foss Field
Multiple Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Multiple Airlines
 
1 STOP
FSD
Sioux Falls Joe Foss Field
25 Aug - 29 Aug
$258pp
FSD
Sioux Falls Joe Foss Field
Frontier
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Frontier
 
1 STOP
FSD
Sioux Falls Joe Foss Field
23 Aug - 29 Aug
$266pp
FSD
Sioux Falls Joe Foss Field
Frontier
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Frontier
 
1 STOP
FSD
Sioux Falls Joe Foss Field

Cheap Frontier flights from Sioux Falls to Seattle

25 Aug - 29 Aug
$258pp
FSD
Sioux Falls Joe Foss Field
Frontier
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Frontier
 
1 STOP
FSD
Sioux Falls Joe Foss Field
23 Aug - 29 Aug
$266pp
FSD
Sioux Falls Joe Foss Field
Frontier
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Frontier
 
1 STOP
FSD
Sioux Falls Joe Foss Field
25 Aug - 26 Aug
$274pp
FSD
Sioux Falls Joe Foss Field
Frontier
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Frontier
 
1 STOP
FSD
Sioux Falls Joe Foss Field

Cheap Delta flights from Sioux Falls to Seattle

15 Aug - 16 Aug
$618pp
FSD
Sioux Falls Joe Foss Field
Delta
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Delta
 
1 STOP
FSD
Sioux Falls Joe Foss Field
13 Aug - 17 Aug
$718pp
FSD
Sioux Falls Joe Foss Field
Delta
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Delta
 
1 STOP
FSD
Sioux Falls Joe Foss Field
13 Aug - 18 Aug
$788pp
FSD
Sioux Falls Joe Foss Field
Delta
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Delta
 
1 STOP
FSD
Sioux Falls Joe Foss Field

Last minute flights from Sioux Falls to Seattle

Late deals on round-trip flights to Seattle from Sioux Falls, departing today and this week
14 Aug - 19 Aug
$342pp
FSD
Sioux Falls Joe Foss Field
Frontier
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Frontier
   
2 STOPS
FSD
Sioux Falls Joe Foss Field
16 Aug - 19 Aug
$352pp
FSD
Sioux Falls Joe Foss Field
Frontier
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Frontier
   
2 STOPS
FSD
Sioux Falls Joe Foss Field
14 Aug - 22 Aug
$378pp
FSD
Sioux Falls Joe Foss Field
Frontier
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Frontier
 
1 STOP
FSD
Sioux Falls Joe Foss Field

One-way flights to Seattle/Tacoma Intl from Sioux Falls

The cheapest one-way flights from Sioux Falls to Seattle
9:28 am - 4:59 am
Frontier
1 Stop
21h 31m
FSD - SEA
Frontier
$119
Kiwi.com
6:56 pm - 7:53 am
Frontier
1 Stop
14h 57m
FSD - SEA
Frontier
$144
Kiwi.com
6:32 pm - 7:53 am
Multiple Airlines
1 Stop
15h 21m
FSD - SEA
Multiple Airlines
$150
Kiwi.com

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Sioux Falls</span> to <span class="emphasized">Seattle</span> flights.

Flight FAQs

From Sioux Falls to Seattle

Which airlines flying from Sioux Falls Joe Foss Field to Seattle/Tacoma Intl have flexible cancellations due to COVID-19?

Some of the carriers operating flights from Sioux Falls Joe Foss Field to Seattle/Tacoma Intl that may be offering flexible cancellation policies are United Airlines, Delta, and American Airlines. Our site will let you filter for all airlines offering greater flexibility due to COVID-19.

Can I find flights from Sioux Falls to Seattle for under $300 on Cheapflights?

Yes, there are multiple flights from Sioux Falls to Seattle for under $300. The cheapest flight booked recently is on Multiple Airlines for just $237, but on average you can expect to pay $306.

Are there last-minute flights available from Sioux Falls to Seattle for under $400?

There are currently 20+ open flights from Sioux Falls to Seattle within the next 7 days for less than $400.

How popular is this Sioux Falls to Seattle flight route?

The Sioux Falls Joe Foss Field to Seattle/Tacoma Intl flight path was viewed by 17 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

What is the cheapest airline to fly from Sioux Falls to Seattle round-trip?

Our cheapest airline available from Sioux Falls to Seattle is Frontier. Our recent data shows that you can find tickets from as low as $258 on this airline. This flight start at 37% lower than the current average price 3 months from now.

What are the most popular airlines that fly from Sioux Falls to Seattle?

Consider American Airlines, Alaska Airlines or Delta when booking your flight. These represent the most popular airlines when flying from Sioux Falls to Seattle.

What are the cheapest flights from Sioux Falls to Seattle?

On average you can expect to pay $567 for a flight from Sioux Falls to Seattle. The cheapest flight overall is $105 while the most popular route, (Sioux Falls Joe Foss Field - Seattle/Tacoma Intl) is currently priced at $300.

COVID Restrictions

View COVID Travel Restrictions for Seattle, WA

Do I need a COVID test to fly to Seattle from Sioux Falls?

Information is based on travel restrictions for travel to Seattle/Tacoma Intl within the United States

Most visitors from Sioux Falls Joe Foss Field need to provide a negative COVID-19 test result and/or quarantine to enter Seattle/Tacoma Intl.

COVID-19 testing requirements
Visitors from Sioux Falls Joe Foss Field are not required to present a negative COVID-19 PCR test or antigen result upon entering Seattle/Tacoma Intl.

Quarantine requirements
Visitors from Sioux Falls Joe Foss Field are not required to quarantine after entering Seattle/Tacoma Intl.

Do I need a test to fly back to Sioux Falls from Seattle?

Returning to Sioux Falls Joe Foss Field from Seattle/Tacoma Intl

COVID-19 testing requirements
Visitors from Seattle/Tacoma Intl are not required to present a negative COVID-19 PCR test or antigen result upon entering Sioux Falls Joe Foss Field.

Quarantine requirements
Visitors from Seattle/Tacoma Intl are not required to quarantine after entering Sioux Falls Joe Foss Field.

Hide COVID Travel Restrictions for Seattle, WA

Alternative routes for Sioux Falls to Seattle

See prices for flight routes from nearby airports that may be better suited for you.

Top 6 airlines flying from Sioux Falls Joe Foss Field to Seattle/Tacoma Intl

The chart below displays the airlines Cheapflights users traveling from Sioux Falls to Seattle choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
Juneyao Airlines
$13 $19 No cancel fee 66%

We couldn't confirm the COVID-19 safety measures taken by Juneyao Airlines. Please check directly on their website for additional information.

American Airlines
$137 $465 No cancel fee 71%
Frontier
$144 $310 No cancel fee 62%
Delta
$157 $444 No cancel fee N/A
United Airlines
$234 $495 No cancel fee 69%
Alaska Airlines
$472 $565 No cancel fee 75%