FSD - SEA

$131 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
$265
Typical prices: $363-$550
Frontier
Fri 8/31Mon 10/29
FSD - SEA • 1 stop
Cheapest one-way
$131
Typical prices: $276-$464
Frontier
Fri 9/14
FSD - SEA • 1 stop
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

Mon, Aug 31 - Thu, Oct 29
Frontier Logo
8:56 pm - 9:19 amFSD  Sioux Falls Joe Foss Field-SEA Seattle/Tacoma Intl
14h 23m1 stop Denver Intl
Frontier Logo
7:41 pm - 7:53 pmSEA  Seattle/Tacoma Intl-FSD Sioux Falls Joe Foss Field
22h 12m1 stop Denver Intl
$265Frontier
Mon, Sep 14 - Thu, Sep 17
Frontier Logo
8:52 pm - 3:08 pmFSD  Sioux Falls Joe Foss Field-SEA Seattle/Tacoma Intl
20h 16m1 stop Denver Intl
Frontier Logo
4:27 pm - 8:07 pmSEA  Seattle/Tacoma Intl-FSD Sioux Falls Joe Foss Field
25h 40m1 stop Denver Intl
$303Frontier
Fri, Sep 18 - Sun, Sep 20
Frontier Logo
8:52 pm - 3:08 pmFSD  Sioux Falls Joe Foss Field-SEA Seattle/Tacoma Intl
20h 16m1 stop Denver Intl
Frontier Logo
4:27 pm - 8:07 pmSEA  Seattle/Tacoma Intl-FSD Sioux Falls Joe Foss Field
25h 40m1 stop Denver Intl
$315Frontier
Wed, Nov 4 - Tue, Nov 10
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
$339United Airlines
Tue, Oct 13 - Wed, Oct 21
United Airlines Logo
6:00 am - 10:01 amFSD  Sioux Falls Joe Foss Field-SEA Seattle/Tacoma Intl
6h 01m1 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
Fri, Sep 11 - Tue, Sep 15
American Airlines Logo
2:10 pm - 8:29 pmFSD  Sioux Falls Joe Foss Field-SEA Seattle/Tacoma Intl
8h 19m1 stop Phoenix Sky Harbor Intl
American Airlines Logo
2:19 pm - 11:53 pmSEA  Seattle/Tacoma Intl-FSD Sioux Falls Joe Foss Field
7h 34m1 stop Phoenix Sky Harbor Intl
$339American Airlines
Fri, Oct 2 - Sat, Oct 10
American Airlines Logo
12:56 pm - 7:48 pmFSD  Sioux Falls Joe Foss Field-SEA Seattle/Tacoma Intl
8h 52m1 stop Dallas/Fort Worth
American Airlines Logo
7:30 am - 5:23 pmSEA  Seattle/Tacoma Intl-FSD Sioux Falls Joe Foss Field
7h 53m1 stop Dallas/Fort Worth
$339American Airlines
Wed, Nov 4 - Mon, Nov 9
Delta Logo
11:00 am - 5:10 pmFSD  Sioux Falls Joe Foss Field-SEA Seattle/Tacoma Intl
8h 10m1 stop Minneapolis St Paul
Delta Logo
11:47 pm - 10:10 amSEA  Seattle/Tacoma Intl-FSD Sioux Falls Joe Foss Field
8h 23m1 stop Minneapolis St Paul
$339Delta
Tue, Oct 13 - Mon, Oct 19
Delta Logo
5:00 pm - 11:59 pmFSD  Sioux Falls Joe Foss Field-SEA Seattle/Tacoma Intl
8h 59m1 stop Minneapolis St Paul
Delta Logo
11:50 pm - 10:00 amSEA  Seattle/Tacoma Intl-FSD Sioux Falls Joe Foss Field
8h 10m1 stop Minneapolis St Paul
$339Delta
Wed, Nov 11 - Fri, Nov 20
Delta Logo
11:00 am - 5:00 pmFSD  Sioux Falls Joe Foss Field-SEA Seattle/Tacoma Intl
8h 00m1 stop Minneapolis St Paul
Delta Logo
11:47 pm - 10:10 amSEA  Seattle/Tacoma Intl-FSD Sioux Falls Joe Foss Field
8h 23m1 stop Minneapolis St Paul
$359Delta
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 $265. 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 $265 on Frontier.

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

$131
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?

    Only Economy Class is available on flights from Sioux Falls to Seattle.

  • 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 long is a flight from Sioux Falls to Seattle?

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

  • What are the earliest and latest flights from Sioux Falls to Seattle?

    These are the earliest and latest flight times available from Sioux Falls to Seattle:

    • Earliest: departs at 12:00 am and lands at 12:00 am
    • Latest: departs at 12:00 am and lands at 12:00 am.

    The flight takes about 0h 00m.

  • 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.

  • 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 $265 to $1,756. That means the highest observed fare was about 7x 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 $292, which is 19% below the typical average for this route.

  • 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.
    - Fairfield by Marriott Inn & Suites Seattle Sea-Tac Airport
    - Coast Gateway Hotel
    - Seattle Airport Marriott

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)