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FSD - SEA

$252 Find Cheap Flights from Sioux Falls to Seattle - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$359
Typical prices: $376-$582
American Airlines
Mon 10/29Fri 11/2
FSD - SEA • 1 stop
Cheapest one-way
$252
Typical prices: $287-$465
Multiple Airlines
Thu 10/18
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 49% compared to booking last minute.
Insights
Insights
When to travel
January
Cheapest • 43% price drop
July
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Dallas/Fort Worth (DFW)
Cheapest • Avg $408 (round-trip)
Denver Intl (DEN)
Shortest trip • 6h 10m (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 29 - Mon, Nov 2
American Airlines Logo
5:54 pm - 12:10 amFSD  Sioux Falls Joe Foss Field-SEA Seattle/Tacoma Intl
8h 16m1 stop Dallas/Fort Worth
American Airlines Logo
3:00 pm - 11:49 pmSEA  Seattle/Tacoma Intl-FSD Sioux Falls Joe Foss Field
6h 49m1 stop Phoenix Sky Harbor Intl
$359American Airlines
Thu, Dec 24 - Thu, Dec 31
American Airlines Logo
5:57 pm - 11:58 pmFSD  Sioux Falls Joe Foss Field-SEA Seattle/Tacoma Intl
8h 01m1 stop Dallas/Fort Worth
American Airlines Logo
5:10 am - 5:21 pmSEA  Seattle/Tacoma Intl-FSD Sioux Falls Joe Foss Field
10h 11m1 stop Dallas/Fort Worth
$359American Airlines
Wed, Nov 4 - Wed, Nov 11
United Airlines Logo
5:06 pm - 9:19 pmFSD  Sioux Falls Joe Foss Field-SEA Seattle/Tacoma Intl
6h 13m1 stop Denver Intl
United Airlines Logo
2:30 pm - 11:29 pmSEA  Seattle/Tacoma Intl-FSD Sioux Falls Joe Foss Field
6h 59m1 stop Chicago O'Hare Intl
$359United Airlines
Wed, Nov 11 - Sat, Nov 14
United Airlines Logo
5:55 am - 9:47 amFSD  Sioux Falls Joe Foss Field-SEA Seattle/Tacoma Intl
5h 52m1 stop Denver Intl
United Airlines Logo
5:05 am - 12:35 pmSEA  Seattle/Tacoma Intl-FSD Sioux Falls Joe Foss Field
5h 30m1 stop Denver Intl
$359United Airlines
Sat, Jan 30 - Sat, Feb 6
Delta Logo
1:00 pm - 4:35 pmFSD  Sioux Falls Joe Foss Field-SEA Seattle/Tacoma Intl
5h 35m1 stop Minneapolis St Paul
Delta Logo
1:45 pm - 10:51 pmSEA  Seattle/Tacoma Intl-FSD Sioux Falls Joe Foss Field
7h 06m1 stop Minneapolis St Paul
$359Delta
Fri, Nov 6 - Tue, Nov 10
American Airlines Logo
5:58 pm - 11:42 pmFSD  Sioux Falls Joe Foss Field-SEA Seattle/Tacoma Intl
7h 44m1 stop Dallas/Fort Worth
American Airlines Logo
3:00 pm - 11:49 pmSEA  Seattle/Tacoma Intl-FSD Sioux Falls Joe Foss Field
6h 49m1 stop Phoenix Sky Harbor Intl
$359American Airlines
Mon, Jan 4 - Sat, Jan 16
Multiple Airlines Logo
9:54 pm - 5:18 pmFSD  Sioux Falls Joe Foss Field-SEA Seattle/Tacoma Intl
21h 24m1 stop Las Vegas Harry Reid Intl
Multiple Airlines Logo
4:29 pm - 11:50 amSEA  Seattle/Tacoma Intl-FSD Sioux Falls Joe Foss Field
17h 21m2 stops Denver Intl Las Vegas Harry Reid Intl
$407Multiple Airlines
Wed, Nov 4 - Sun, Nov 8
Delta Logo
8:30 am - 12:30 pmFSD  Sioux Falls Joe Foss Field-SEA Seattle/Tacoma Intl
6h 00m1 stop Minneapolis St Paul
Delta Logo
6:00 am - 4:00 pmSEA  Seattle/Tacoma Intl-FSD Sioux Falls Joe Foss Field
8h 00m1 stop Minneapolis St Paul
$429Delta
Mon, Nov 23 - Sat, Nov 28
Delta Logo
5:00 pm - 11:57 pmFSD  Sioux Falls Joe Foss Field-SEA Seattle/Tacoma Intl
8h 57m1 stop Minneapolis St Paul
Delta Logo
11:47 pm - 7:06 pmSEA  Seattle/Tacoma Intl-FSD Sioux Falls Joe Foss Field
17h 19m1 stop Minneapolis St Paul
$537Delta
Mon, Nov 23 - Sun, Nov 29
Multiple Airlines Logo
12:05 pm - 12:37 pmFSD  Sioux Falls Joe Foss Field-SEA Seattle/Tacoma Intl
26h 32m2 stops Nashville Intl Las Vegas Harry Reid Intl
Multiple Airlines Logo
9:53 pm - 8:55 pmSEA  Seattle/Tacoma Intl-FSD Sioux Falls Joe Foss Field
21h 02m1 stop Las Vegas Harry Reid Intl
$594Multiple 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 with more confidence.

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

Round-trip flights from Sioux Falls to Seattle typically range from $376 to $582. The lowest price found in the past 5 days was $359, on American Airlines.

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

Based on deals KAYAK users found in the last 12 months, Saturday is the cheapest day of the week to fly from Sioux Falls to Seattle. It’s 19% cheaper than the average day, while Sunday is the most expensive, with prices 19% higher.

What’s 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 flights 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 49% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Find deals

Key details for Sioux Falls to Seattle flights

Low season

February

Cheapest flight

$252
Beat the crowds with an average 63% drop in travelers.
The most popular month to fly with an average 68% increase in travelers.
One-way 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 answers about this route, including flight times, airports, airlines and booking tips.

  • 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

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

    A nonstop flight from Sioux Falls to Seattle takes 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.

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

    Round-trip flights from Sioux Falls to Seattle range from $376 to $582, with an average of $475 over the past 12 months. Anything below $376 counts as a good deal.

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

    Last-minute fares on this route (booked within two weeks of departure) run 25% above the $475 route average. Book 24 weeks before departure for the lowest fares.

  • 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 $359 to $2,035. That means the highest observed fare was about 6x 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 lower than usual. Average one-way flight prices are about $328, which is 15% below the typical average for this route.

  • 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

  • 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).

  • 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) - 57% of one-stop connections
    • Minneapolis St Paul (MSP) - 18% of one-stop connections
    • Phoenix Sky Harbor Intl (PHX) - 14% of one-stop connections
    • Dallas/Fort Worth (DFW) - 7% of one-stop connections

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

    Yes. Flexible dates can save you up to 32% on flights from Sioux Falls to Seattle. Saturday is the cheapest departure day at $388 round-trip on average, while Sunday is the most expensive at $568, a difference of $180.

    Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

  • 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 10m, compared with 6h 50m via Minneapolis St Paul (MSP) and 7h 28m 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 popular places can I visit in Seattle?

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

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 are flexible, aim for a Saturday departure and avoid flying on Sunday. On this route, Saturday flights average $388, about $180 less than Sunday fares (32% 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 49% 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

More options for your flight from Sioux Falls to Seattle

Complete your trip to Seattle with a hotel stay or car rental

Car rentals in Seattle
Hotels in Seattle
Vacations in Seattle