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

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The best prices from Sioux Falls Joe Foss Field to Seattle/Tacoma Intl are usually found in July or August, booked 19 days in advance, depart on a Wednesday or Monday and return on a Tuesday

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 2021: compare Sioux Falls to Seattle flight prices with the expected peak season, weather and rainfall in Seattle.
FSD - SEA
Price
$308 - $454
SEA
Temperature
41 - 66.2 °F
SEA
Precipitation
0.7 - 6.6 inches

Popular in

February

High demand for flights, 21% potential price rise

Cheapest in

July

Best time to find cheap flights, 14% potential price drop

Round-trip from

$308

From Sioux Falls Joe Foss Field to Seattle/Tacoma Intl

One-way from

$111

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

Due to multiple factors, expect to potentially pay more when booking in February. For low rates, July can be a great choice for travel to Seattle. Flights to Seattle from Sioux Falls in July are about $360 on average during July, but can be found for as low as $196.

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 26% on the cost of your flight, compared to a flight in the morning.

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 18 days early can save you up to 8% on average compared to booking a flight this week. If booking 18 days before your flight isn’t an option for you, users have found flights from Sioux Falls to Seattle for as little as $363 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 $404 for flights departing within the next 3 days.

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

Tuesday is generally a great day to depart. Flying on this day could help you save up to 20%.

Cheap flights from Sioux Falls to Seattle in October, November 2021

The best prices found for FSD to SEA flights for October, November
14 Nov - 22 Nov
$213pp
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
12 Nov - 20 Nov
$226pp
FSD
Sioux Falls Joe Foss Field
Multiple Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Frontier
 
1 STOP
FSD
Sioux Falls Joe Foss Field
14 Nov - 20 Nov
$229pp
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 2021 flight deals

Cheap flights to Seattle from Sioux Falls found for this year
14 Nov - 22 Nov
$213pp
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
12 Nov - 20 Nov
$226pp
FSD
Sioux Falls Joe Foss Field
Multiple Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Frontier
 
1 STOP
FSD
Sioux Falls Joe Foss Field
14 Nov - 20 Nov
$229pp
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

Last minute flights from Sioux Falls to Seattle

Late deals on round-trip flights to Seattle from Sioux Falls, departing today and this week
28 Oct - 3 Nov
$329pp
FSD
Sioux Falls Joe Foss Field
United Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
United Airlines
 
1 STOP
FSD
Sioux Falls Joe Foss Field
28 Oct - 2 Nov
$401pp
FSD
Sioux Falls Joe Foss Field
United Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
United Airlines
   
2 STOPS
FSD
Sioux Falls Joe Foss Field
28 Oct - 3 Nov
$473pp
FSD
Sioux Falls Joe Foss Field
United Airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
United Airlines
 
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
12:30 pm - 7:59 pm
Frontier
1 Stop
9h 29m
FSD - SEA
Frontier
$111
Kiwi.com
6:33 pm - 4:06 pm
Multiple Airlines
2 Stops
23h 33m
FSD - SEA
Multiple Airlines
$279
Gotogate
1:49 am - 6:20 pm
Delta
3 Stops
18h 31m
FSD - SEA
Delta
$304
Delta

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 Delta, United Airlines, 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 $213, but on average you can expect to pay $279.

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

There are currently 4+ 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 are the cheapest airlines flying 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 $229 on this airline. Additional options worth looking into are United Airlines and Delta, starting at $303 and $315 round-trip. These flights start at 36% lower than the current average price 3 months from now.

What are the cheapest airlines to fly from Sioux Falls to Seattle one-way?

$90 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on United Airlines and Delta, with prices starting from $158 and $304, respectively.

What are the cheapest flights from Sioux Falls to Seattle?

On average you can expect to pay $349 for a flight from Sioux Falls to Seattle. The cheapest flight overall is $158 while the most popular route, (Sioux Falls Joe Foss Field - Seattle/Tacoma Intl) is currently priced at $268.

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

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

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 must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to 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 must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to 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.

Destination information for Seattle

Things to know before you go - useful duration and weather info for your trip from Sioux Falls to Seattle.
Average temperature for October in Seattle
60.8 °F
Avg rainfall for October in Seattle
3.5 ″

Airports servicing Sioux Falls

Airports servicing Seattle

Top 4 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
Frontier
$147 $269 No cancel fee 62%
American Airlines
$167 $343 No cancel fee 71%
Delta
$184 $409 No cancel fee N/A
United Airlines
$190 $379 No cancel fee 69%
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