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

Flights overview

Useful information for finding cheap flights from Sioux Falls to Seattle and booking your next trip

Cheapest round-trip flights	$260	Frontier 1 stop 20 hr Fri, May 15 — Sun, May 24	The cheapest round-trip flight from Sioux Falls to Seattle is currently $260
Cheapest one-way flight	$131	Frontier 1 stop 16 hr Wed, Jul 29	The cheapest one-way flight from Sioux Falls to Seattle is currently $131
Last-minute weekend getaway	$346	Frontier 1 stop 20 hr Fri, May 8 — Sun, May 10	The cheapest last-minute weekend getaway from Sioux Falls to Seattle is currently $346
Cheapest business class flights	$498	Frontier 1 stop 20 hr Mon, Jun 1 — Tue, Jun 9	The cheapest business class round-trip flight from Sioux Falls to Seattle is currently $498

Fastest flight	5 hr 30 min	The fastest flight with stops from Sioux Falls to Seattle takes 5 hr 30 min
Nonstop flights	None	There are no direct flights on this route.

When is the cheapest time to fly?

The cheapest month to fly from Sioux Falls to Seattle is typically October. The most expensive month to fly is typically May.

October Cheapest	Typical prices: $195–365
May Most expensive	Typical prices: $325–510

Popular airlines from Sioux Falls to Seattle

United

from $402

Typical price: $310–550

245 weekly connecting flights

FSD - SEA Every day
Delta

from $499

Typical price: $355–790

213 weekly connecting flights

FSD - SEA Every day
American

from $424

Typical price: $325–630

139 weekly connecting flights

FSD - SEA Every day
Frontier

from $230

Typical price: $220–425

8 weekly connecting flights

FSD - SEA Every Mon, Wed, Fri

Popular airports near Sioux Falls

Sioux Falls Regional Airport (FSD)

Sioux Falls United States 15 min 2 mi
Eppley Airfield (OMA)

Omaha United States 2 hr 47 min 160 mi
Minneapolis-Saint Paul International Airport (MSP)

Minneapolis United States 3 hr 41 min 196 mi
Sioux Gateway Airport (SUX)

Sioux City United States 1 hr 24 min 81 mi

Popular airports near Seattle

Seattle-Tacoma International Airport (SEA)

Seattle United States 18 min 11 mi
Portland International Airport (PDX)

Portland United States 2 hr 44 min 140 mi
Paine Field (PAE)

Everett United States 31 min 21 mi
King County International Airport - Boeing Field (BFI)

Seattle United States 11 min 5 mi

Frequently asked questions about flying from Sioux Falls to Seattle

The cheapest flights from Sioux Falls to Seattle are usually in October. Typical ticket prices in October range from $195 to $365.

The cheapest round-trip flight from Sioux Falls to Seattle recently found on Google Flights was with Frontier from $260. The cheapest one-way flight was with Frontier from $131.

Some of the cheapest round-trip deals we found with different airlines:

The cheapest United flight from Sioux Falls to Seattle is $402, flying from May 23 to May 29.
The cheapest Delta flight from Sioux Falls to Seattle is $499, flying from May 3 to May 9.
The cheapest American flight from Sioux Falls to Seattle is $424, flying from May 28 to Jun 3.
The cheapest Frontier flight from Sioux Falls to Seattle is $230, flying from Jun 1 to Jun 9.

The cheapest round-trip flight from Sioux Falls to Seattle starts at $260 from Fri, May 15 to Sun, May 24. The cheapest one-way flight starts at $131 and departs on Wed, Jul 29.

5 hr 30 min is the shortest flight time from Sioux Falls to Seattle.

Most visitors come May–Sep, a period encompassing events such as the Seattle International Film Festival (May); Seafair (Jul), a summer festival including boat races, marathons and parades; and Bumbershoot (Sep), an international music and arts festival. Rainy season is Nov–May, though rain is possible year-round.

It's easy to use Google Flights to find the cheapest days to fly from Sioux Falls to Seattle.
Just click the Departure label near the top of the page to open the calendar. Choose a start date and a return date to see how the round-trip fare changes on those specific days.
Adjust the trip type to see one-way fares. The cheapest available flights are highlighted and easy to spot. Once you settle on dates, click the Search button to see flight options and book the deal.

You can also turn on price tracking to get alerts if the price changes for a route or flight.

What counts as the best airline for your flights from Sioux Falls to Seattle really depends on your individual needs. You may have a favorite carrier or a loyalty program you like, but price, convenience, and airports served also come into play. Flexibility and booking terms – Can you change flights if you want to stay longer or get a refund if you have to postpone your trip? – are also factors that help determine which airline is best to fly from Sioux Falls to Seattle.

In terms of flights, United is the most popular. United offers 245 connecting flights per week. United flies from Sioux Falls Regional Airport (FSD) to Seattle-Tacoma International Airport (SEA) .

Other popular airlines flying from Sioux Falls to Seattle are:

Delta offers 213 connecting flights per week. Delta flies from Sioux Falls Regional Airport (FSD) to Seattle-Tacoma International Airport (SEA) .
American offers 139 connecting flights per week. American flies from Sioux Falls Regional Airport (FSD) to Seattle-Tacoma International Airport (SEA) .
Frontier offers 8 connecting flights per week. Frontier flies from Sioux Falls Regional Airport (FSD) to Seattle-Tacoma International Airport (SEA) .

The number of connecting flights refers to distinct flights with at least one stop between Sioux Falls and Seattle.

The cheapest round-trip flight from Sioux Falls to Seattle recently found on Google Flights was with Frontier from $260. The cheapest one-way flight was with Frontier from $131.

Some of the cheapest round-trip deals we found with different airlines:

The cheapest United flight from Sioux Falls to Seattle is $402, flying from May 23 to May 29.
The cheapest Delta flight from Sioux Falls to Seattle is $499, flying from May 3 to May 9.
The cheapest American flight from Sioux Falls to Seattle is $424, flying from May 28 to Jun 3.
The cheapest Frontier flight from Sioux Falls to Seattle is $230, flying from Jun 1 to Jun 9.

No airline flies direct from Sioux Falls to Seattle.

There are 245 United connecting flights from Sioux Falls to Seattle per week. Flights are available every day.
There are 213 Delta connecting flights from Sioux Falls to Seattle per week. Flights are available every day.
There are 139 American connecting flights from Sioux Falls to Seattle per week. Flights are available every day.
There are 8 Frontier connecting flights from Sioux Falls to Seattle per week. Flights are available on Monday, Wednesday and Friday.

Use the Stops filter while searching for flights, to see only nonstop options in your results.

The cheapest last-minute deal between Sioux Falls and Seattle at price $346 is offered by Frontier from Fri, May 8 to Sun, May 10.

No airline flies direct from Sioux Falls to Seattle.

There are 245 United connecting flights from Sioux Falls to Seattle per week. Flights are available every day.
There are 213 Delta connecting flights from Sioux Falls to Seattle per week. Flights are available every day.
There are 139 American connecting flights from Sioux Falls to Seattle per week. Flights are available every day.
There are 8 Frontier connecting flights from Sioux Falls to Seattle per week. Flights are available on Monday, Wednesday and Friday.

Use the Stops filter while searching for flights, to see only nonstop options in your results.

There are no direct flights from Sioux Falls to Seattle.

It's easy to find nonstop flights with Google Flights! Once you've searched for flights from Sioux Falls to Seattle, just select the nonstop flights only option in the 'Stops’ filter in the search form and view all available direct flights and their prices.

The cheapest business class round-trip flights between Sioux Falls and Seattle start at $498 from Mon, Jun 1 to Tue, Jun 9 with Frontier.

The cheapest economy class round-trip flights between Sioux Falls and Seattle start at $260 from Fri, May 15 to Sun, May 24.

To book business class trips from Sioux Falls to Seattle, look for the default Economy selection at the top, and change it to your desired cabin class such as Premium Economy, Business Class, or First Class. You can then select your departure and arrival dates, consider available options, and book your business travel.

You can also adjust the trip type to view one-way fares.

The best last-minute getaway deal for the next weekend between Sioux Falls and Seattle starts at $346 from Fri, May 8 to Sun, May 10 with Frontier.

The cheapest last-minute deal between Sioux Falls and Seattle at price $346 is offered by Frontier from Fri, May 8 to Sun, May 10.

To find last-minute flight deals from Sioux Falls to Seattle, start by entering the city names, select the desired departure and return dates, and hit the Search button to view flight options.

You can check for last-minute flights for the same day or adjust the trip type to see one-way fares.