FSD - SEA

$191 Find Cheap Flights from Sioux Falls to Seattle - Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$339
Typical prices: $363-$550
Delta
Wed 9/26Wed 10/3
FSD - SEA • 1 stop
Cheapest one-way
$239
Typical prices: $276-$464
Multiple Airlines
Thu 9/13
FSD - SEA • 2 stops
Nonstop flights
Not available
There are currently no direct flights between Sioux Falls and Seattle. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to book
24 weeks
in advance
Our data shows that travelers who book at least 24 weeks in advance save around 46% compared to booking last minute.
Insights
Insights
When to travel
January
Cheapest • 40% price drop
September
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Dallas/Fort Worth (DFW)
Cheapest • Avg $389 (round-trip)
Denver Intl (DEN)
Shortest trip • 6h 09m (one-way)
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Insights
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Flight Deals

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

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Sioux Falls to Seattle

Thu, Oct 15 - Tue, Oct 20
United Airlines Logo
9:42 am - 4:03 pmFSD  Sioux Falls Joe Foss Field-SEA Seattle/Tacoma Intl
8h 21m1 stop Denver Intl
United Airlines Logo
1:56 pm - 11:11 pmSEA  Seattle/Tacoma Intl-FSD Sioux Falls Joe Foss Field
7h 15m1 stop Chicago O'Hare Intl
$339United Airlines
Wed, Sep 23 - Sat, Sep 26
United Airlines Logo
11:12 am - 7:15 pmFSD  Sioux Falls Joe Foss Field-SEA Seattle/Tacoma Intl
10h 03m1 stop Chicago O'Hare Intl
United Airlines Logo
3:55 pm - 11:44 pmSEA  Seattle/Tacoma Intl-FSD Sioux Falls Joe Foss Field
5h 49m1 stop Denver Intl
$339United Airlines
Wed, Oct 14 - Tue, Oct 20
American Airlines Logo
6:20 am - 1:35 pmFSD  Sioux Falls Joe Foss Field-SEA Seattle/Tacoma Intl
9h 15m1 stop Dallas/Fort Worth
American Airlines Logo
10:26 am - 9:13 pmSEA  Seattle/Tacoma Intl-FSD Sioux Falls Joe Foss Field
8h 47m1 stop Dallas/Fort Worth
$339American Airlines
Wed, Oct 14 - Tue, Oct 20
American Airlines Logo
2:05 pm - 8:53 pmFSD  Sioux Falls Joe Foss Field-SEA Seattle/Tacoma Intl
8h 48m1 stop Phoenix Sky Harbor Intl
American Airlines Logo
3:30 pm - 11:56 pmSEA  Seattle/Tacoma Intl-FSD Sioux Falls Joe Foss Field
6h 26m1 stop Phoenix Sky Harbor Intl
$339American Airlines
Sat, Sep 26 - Sat, Oct 3
Delta Logo
1:05 pm - 4:45 pmFSD  Sioux Falls Joe Foss Field-SEA Seattle/Tacoma Intl
5h 40m1 stop Minneapolis St Paul
Delta Logo
6:00 am - 3:46 pmSEA  Seattle/Tacoma Intl-FSD Sioux Falls Joe Foss Field
7h 46m1 stop Minneapolis St Paul
$339Delta
Mon, Feb 1 - Sat, Feb 6
United Airlines Logo
5:00 pm - 9:12 pmFSD  Sioux Falls Joe Foss Field-SEA Seattle/Tacoma Intl
6h 12m1 stop Denver Intl
United Airlines Logo
7:00 am - 6:33 pmSEA  Seattle/Tacoma Intl-FSD Sioux Falls Joe Foss Field
9h 33m1 stop Chicago O'Hare Intl
$339United Airlines
Sun, Oct 4 - Wed, Oct 7
Multiple Airlines Logo
12:16 pm - 9:42 amFSD  Sioux Falls Joe Foss Field-SEA Seattle/Tacoma Intl
23h 26m1 stop Las Vegas Harry Reid Intl
Multiple Airlines Logo
9:45 pm - 11:16 amSEA  Seattle/Tacoma Intl-FSD Sioux Falls Joe Foss Field
11h 31m1 stop Las Vegas Harry Reid Intl
$357Multiple Airlines
Fri, Sep 11 - Sat, Oct 3
Delta Logo
10:40 am - 4:45 pmFSD  Sioux Falls Joe Foss Field-SEA Seattle/Tacoma Intl
8h 05m1 stop Minneapolis St Paul
Delta Logo
6:00 am - 3:46 pmSEA  Seattle/Tacoma Intl-FSD Sioux Falls Joe Foss Field
7h 46m1 stop Minneapolis St Paul
$374Delta
Fri, Sep 11 - Sat, Oct 3
Delta Logo
10:40 am - 4:45 pmFSD  Sioux Falls Joe Foss Field-SEA Seattle/Tacoma Intl
8h 05m1 stop Minneapolis St Paul
Delta Logo
6:00 am - 3:46 pmSEA  Seattle/Tacoma Intl-FSD Sioux Falls Joe Foss Field
7h 46m1 stop Minneapolis St Paul
$389Delta
Sun, Oct 4 - Wed, Oct 7
Multiple Airlines Logo
12:16 pm - 9:42 amFSD  Sioux Falls Joe Foss Field-SEA Seattle/Tacoma Intl
23h 26m1 stop Las Vegas Harry Reid Intl
Multiple Airlines Logo
4:27 pm - 11:38 amSEA  Seattle/Tacoma Intl-FSD Sioux Falls Joe Foss Field
17h 11m2 stops Denver Intl Phoenix Sky Harbor Intl
$405Multiple Airlines
Booking Insights

Price, demand and travel trends for Sioux Falls to Seattle flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from Sioux Falls to Seattle with more confidence.

How much is a round-trip flight from Sioux Falls to Seattle?

Round-trip flights from Sioux Falls to Seattle start at $339. Prices are below average for this route right now, with typical round-trip fares ranging from $363 to $550. The lowest price found in the past 5 days was $339 on Delta.

What's the cheapest day of the week to fly from Sioux Falls to Seattle?

Tuesday is the cheapest day of the week to fly from Sioux Falls to Seattle, it is 13% cheaper than the average day. Monday is the most expensive day with flight prices 24% higher than average. Based on deals found by KAYAK users in the last 12 months.

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

  • January is the cheapest month to fly from Sioux Falls to Seattle at $273 round-trip.
  • July ($652) and June ($546) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 138% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are prices from Sioux Falls to Seattle the cheapest?

Flights from Sioux Falls to Seattle are cheapest 24 weeks before departure. Booking in this window typically costs about 46% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

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Key details for Sioux Falls to Seattle flights

Low season

February

Cheapest flight

$239
Best time to beat the crowds but there is an average 18% increase in price.
Most popular time to fly and prices are also 9% lower on average.
Flight from Sioux Falls to Seattle

When to book flights from Sioux Falls to Seattle

Are your dates flexible? Find out the best times to travel from Sioux Falls to Seattle based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Sioux Falls to Seattle flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • Which airports can I use when flying from Sioux Falls to Seattle?

    Flights from Sioux Falls to Seattle usually depart from Sioux Falls Joe Foss Field (FSD) and arrive at Seattle/Tacoma Intl (SEA).

  • What cabin classes can I book on flights from Sioux Falls to Seattle?

    Two cabin classes are available on flights from Sioux Falls to Seattle:

    • Economy Class
    • First Class

  • Which airports do connecting flights from Sioux Falls to Seattle pass through?

    One-stop flights from Sioux Falls to Seattle most commonly connect through:

    • Denver Intl (DEN) - 65% of one-stop connections
    • Minneapolis St Paul (MSP) - 15% of one-stop connections
    • Phoenix Sky Harbor Intl (PHX) - 9% of one-stop connections
    • Dallas/Fort Worth (DFW) - 7% of one-stop connections

    Denver Intl (DEN) handles the largest share of one-stop connections on this route.

  • Can I save money by using flexible dates for flights from Sioux Falls to Seattle?

    Yes. Being flexible with your travel dates can save you up to 30% on the Sioux Falls to Seattle route. Tuesday is the cheapest departure day at $398 round-trip on average, while Monday is the most expensive at $563, a difference of $165. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What popular places can I visit in Seattle?

    Some of the most popular sights in Seattle are Pike Place Market, Pier 66 and Lumen Field. These are among the most viewed places in Seattle on KAYAK.

  • How expensive are last-minute Sioux Falls to Seattle flights?

    Last-minute fares on this route - booked within 2 weeks of departure - run 24% above the route average of $453. Book 24 weeks before departure for the lowest fares.

  • How long is a flight from Sioux Falls to Seattle?

    A nonstop flight from Sioux Falls to Seattle takes 0h 00m, covering 1,259 miles.

  • Do I need a passport to fly from Sioux Falls to Seattle?

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

  • Have flight prices from Sioux Falls to Seattle changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $339 to $1,707. That means the highest observed fare was about 5x higher than the lowest one.

  • How are flight prices from Sioux Falls to Seattle looking right now?

    One-way fares from Sioux Falls to Seattle are currently in line with typical prices for this route. Average one-way fares are about $357.

  • How much time can I save by choosing a different layover airport from Sioux Falls to Seattle?

    Flying via Denver Intl (DEN) gives the shortest average 1-stop total travel time at 6h 09m, compared with 6h 55m via Minneapolis St Paul (MSP) and 7h 29m via Phoenix Sky Harbor Intl (PHX).

  • What is the time difference between Sioux Falls and Seattle?

    Seattle is 2 hours behind Sioux Falls (Pacific Time vs Central Time). Plan for the time shift when scheduling connections or first-day activities.

  • What car rental options are available at Seattle/Tacoma Intl Airport (SEA)?

    Seattle/Tacoma Intl Airport (SEA) hosts 5 major car rental companies, with daily rates starting from around $4 for economy cars. Top options include:
    · Fox
    · Europcar
    · Thrifty
    · Budget
    · Dollar

  • How much should I expect to pay for a Sioux Falls to Seattle flight?

    Round-trip flights from Sioux Falls to Seattle range from $363 to $550, with an average of $453 over the past 12 months. Anything below $363 counts as a good deal.

Your guide to booking Sioux Falls to Seattle flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Tuesday departure instead of Monday. On this route, Tuesday flights average $398 - about $165 less than Monday (29% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 24 weeks before you fly. On this route, that window historically saves about 46% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Sioux Falls to Seattle trip for January. Fares historically average $273 round-trip in that month - typically $379 less than the most expensive month, which is July (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Seattle/Tacoma Intl Airport.
    - Seattle Airport Marriott
    - Coast Gateway Hotel
    - Fairfield by Marriott Inn & Suites Seattle Sea-Tac Airport

Everything you need to know for your flight from Sioux Falls to Seattle

Information on your arrival and departure airports

Sioux Falls (FSD)
Seattle (SEA)