FSD - SEA

$173 Find Cheap Flights from Sioux Falls to Seattle - Compare and Save

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Everything you should know

Cheapest round-trip
$369
Typical prices: $398-$600
United Airlines
Sat 12/15Thu 1/11
FSD - SEA • 1 stop
Cheapest one-way
$173
Typical prices: $287-$475
Multiple Airlines
Thu 2/1
FSD - SEA • 3 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 51% compared to booking last minute.
Insights
Insights
When to travel
January
Cheapest • 44% 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 08m (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

Tue, Dec 15 - Mon, Jan 11
United Airlines Logo
6:00 am - 11:44 amFSD  Sioux Falls Joe Foss Field-SEA Seattle/Tacoma Intl
7h 44m1 stop Chicago O'Hare Intl
United Airlines Logo
4:00 pm - 11:44 pmSEA  Seattle/Tacoma Intl-FSD Sioux Falls Joe Foss Field
5h 44m1 stop Denver Intl
$369United Airlines
Tue, Dec 15 - Fri, Jan 15
United Airlines Logo
6:00 am - 11:44 amFSD  Sioux Falls Joe Foss Field-SEA Seattle/Tacoma Intl
7h 44m1 stop Chicago O'Hare Intl
United Airlines Logo
2:10 pm - 11:44 pmSEA  Seattle/Tacoma Intl-FSD Sioux Falls Joe Foss Field
7h 34m1 stop Chicago O'Hare Intl
$369United Airlines
Tue, Dec 15 - Mon, Jan 11
United Airlines Logo
9:24 am - 4:22 pmFSD  Sioux Falls Joe Foss Field-SEA Seattle/Tacoma Intl
8h 58m2 stops Denver Intl San Francisco
United Airlines Logo
12:30 pm - 8:37 pmSEA  Seattle/Tacoma Intl-FSD Sioux Falls Joe Foss Field
6h 07m1 stop Denver Intl
$374United Airlines
Thu, Jan 7 - Mon, Jan 11
American Airlines Logo
8:00 am - 2:52 pmFSD  Sioux Falls Joe Foss Field-SEA Seattle/Tacoma Intl
8h 52m1 stop Phoenix Sky Harbor Intl
American Airlines Logo
6:00 am - 5:36 pmSEA  Seattle/Tacoma Intl-FSD Sioux Falls Joe Foss Field
9h 36m1 stop Dallas/Fort Worth
$379American Airlines
Thu, Apr 1 - Thu, Apr 8
Delta Logo
8:15 am - 12:30 pmFSD  Sioux Falls Joe Foss Field-SEA Seattle/Tacoma Intl
6h 15m1 stop Minneapolis St Paul
Delta Logo
11:50 am - 9:13 pmSEA  Seattle/Tacoma Intl-FSD Sioux Falls Joe Foss Field
7h 23m1 stop Minneapolis St Paul
$379Delta
Thu, Feb 4 - Tue, Feb 16
American Airlines Logo
2:03 pm - 8:53 pmFSD  Sioux Falls Joe Foss Field-SEA Seattle/Tacoma Intl
8h 50m1 stop Phoenix Sky Harbor Intl
American Airlines Logo
10:23 am - 8:53 pmSEA  Seattle/Tacoma Intl-FSD Sioux Falls Joe Foss Field
8h 30m1 stop Dallas/Fort Worth
$439American Airlines
Mon, Nov 23 - Fri, Nov 27
Delta Logo
5:00 pm - 8:46 pmFSD  Sioux Falls Joe Foss Field-SEA Seattle/Tacoma Intl
5h 46m1 stop Minneapolis St Paul
Delta Logo
6:00 am - 3:58 pmSEA  Seattle/Tacoma Intl-FSD Sioux Falls Joe Foss Field
7h 58m1 stop Minneapolis St Paul
$449Delta
Thu, Dec 17 - Wed, Jan 6
American Airlines Logo
5:57 pm - 12:59 amFSD  Sioux Falls Joe Foss Field-SEA Seattle/Tacoma Intl
9h 02m1 stop Dallas/Fort Worth
American Airlines Logo
10:00 am - 8:54 pmSEA  Seattle/Tacoma Intl-FSD Sioux Falls Joe Foss Field
8h 54m1 stop Dallas/Fort Worth
$479American Airlines
Wed, Dec 23 - Tue, Dec 29
Multiple Airlines Logo
12:38 pm - 11:13 pmFSD  Sioux Falls Joe Foss Field-SEA Seattle/Tacoma Intl
12h 35m1 stop Las Vegas Harry Reid Intl
Multiple Airlines Logo
6:25 pm - 11:48 amSEA  Seattle/Tacoma Intl-FSD Sioux Falls Joe Foss Field
15h 23m1 stop Las Vegas Harry Reid Intl
$550Multiple Airlines
Wed, Nov 25 - Sat, Nov 28
Multiple Airlines Logo
8:31 pm - 3:22 pmFSD  Sioux Falls Joe Foss Field-SEA Seattle/Tacoma Intl
20h 51m2 stops Phoenix-Mesa Gateway Denver Intl
Multiple Airlines Logo
9:53 pm - 10:41 amSEA  Seattle/Tacoma Intl-FSD Sioux Falls Joe Foss Field
10h 48m1 stop Las Vegas Harry Reid Intl
$649Multiple 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 $398 to $600. The lowest price found in the past 5 days was $369, on United 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 13% cheaper than the average day, while Monday is the most expensive, with prices 28% 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 ($713) and June ($546) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 161% 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 51% 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

$173
Beat the crowds with an average 56% drop in travelers.
The most popular month to fly with an average 72% 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 $398 to $600, with an average of $487 over the past 12 months. Anything below $398 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 27% above the $487 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 $369 to $2,213. 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 $272, which is 30% 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 averaging $61 for economy cars. Top options include:

    • Europcar
    • Fox
    • 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) - 58% of one-stop connections
    • Minneapolis St Paul (MSP) - 19% of one-stop connections
    • Phoenix Sky Harbor Intl (PHX) - 13% 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 $428 round-trip on average, while Monday is the most expensive at $627, a difference of $199.

    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 08m, compared with 7h 05m 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 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 Monday. On this route, Saturday flights average $428, about $199 less than Monday 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 51% 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 $440 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.

    • Coast Gateway Hotel
    • Seattle Airport Marriott
    • 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