Cheap Flights from Sioux Falls to Seattle
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Flights from Sioux Falls to Seattle
Flight deals from Sioux Falls to Seattle
We've found these cheap flights for you. You can book one-way or return flight tickets.
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Round-trip
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One way
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FSD 15:5810h 36m1 stopsSEA 00:34Sioux Falls - Seattle | Thu, Jun 5 | Frontier Airlines
SEA 06:256h 33m1 stopsFSD 14:58Seattle - Sioux Falls | Sun, Jun 8 | Frontier AirlinesHK$2,320 HK$3,52634% OFF34% OFFHK$3,526 HK$2,320 -
FSD 15:5810h 36m1 stopsSEA 00:34Sioux Falls - Seattle | Wed, Jun 4 | Frontier Airlines
SEA 06:256h 33m1 stopsFSD 14:58Seattle - Sioux Falls | Thu, Jun 12 | Frontier AirlinesHK$2,655 HK$3,52625% OFF25% OFFHK$3,526 HK$2,655
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FSD 19:277h 7m1 stopsSEA 00:34Sioux Falls - Seattle | Mon, Jul 14 | Frontier Airlines
SEA 06:2510h 7m1 stopsFSD 18:32Seattle - Sioux Falls | Mon, Jul 21 | Frontier AirlinesHK$2,696 HK$3,52624% OFF24% OFFHK$3,526 HK$2,696
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FSD 15:5810h 36m1 stopsSEA 00:34Sioux Falls - Seattle | Mon, Jun 9 | Frontier Airlines
SEA 06:2510h 7m1 stopsFSD 18:32Seattle - Sioux Falls | Fri, Jun 13 | Frontier AirlinesHK$2,73522% OFFHK$3,526 HK$2,735
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FSD 22:0915h 19m1 stopsSEA 11:28Sioux Falls - Seattle | Fri, Jun 13 | Allegiant Air
SEA 10:498h 30m1 stopsFSD 21:19Seattle - Sioux Falls | Mon, Jun 16 | Frontier AirlinesHK$2,74522% OFFHK$3,526 HK$2,745 -
FSD 14:5711h 37m1 stopsSEA 00:34Sioux Falls - Seattle | Thu, Jun 26 | Frontier Airlines
SEA 06:2510h 7m1 stopsFSD 18:32Seattle - Sioux Falls | Mon, Jun 30 | Frontier AirlinesHK$2,81520% OFFHK$3,526 HK$2,815
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FSD 14:5711h 37m1 stopsSEA 00:34Sioux Falls - Seattle | Thu, Jul 10 | Frontier Airlines
SEA 06:2510h 7m1 stopsFSD 18:32Seattle - Sioux Falls | Mon, Jul 14 | Frontier AirlinesHK$2,81620% OFFHK$3,526 HK$2,816
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FSD 15:5828h 14m1 stopsSEA 18:12Sioux Falls - Seattle | Sun, Jun 8 | Frontier Airlines
SEA 06:2510h 7m1 stopsFSD 18:32Seattle - Sioux Falls | Fri, Jun 13 | Frontier AirlinesHK$2,83220% OFFHK$3,526 HK$2,832
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FSD 15:5110h 46m1 stopsSEA 00:37Sioux Falls - Seattle | Thu, May 22 | Frontier Airlines
SEA 06:256h 33m1 stopsFSD 14:58Seattle - Sioux Falls | Thu, May 29 | Frontier AirlinesHK$2,87518% OFFHK$3,526 HK$2,875
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FSD 15:5810h 39m1 stopsSEA 00:37Sioux Falls - Seattle | Fri, May 23 | Frontier Airlines
SEA 06:256h 33m1 stopsFSD 14:58Seattle - Sioux Falls | Fri, May 30 | Frontier AirlinesHK$2,89218% OFFHK$3,526 HK$2,892
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FSD 13:0017h 25m1 stopsSEA Invalid DateSioux Falls - Seattle | Sat, May 24 | Normal Airline
SEA 15:006hDirectFSD 16:00Seattle - Sioux Falls | Mon, May 26 | Normal AirlineFind More FlightsFind More Flights
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FSD 15:5810h 36m1 stopsSEA 00:34Sioux Falls - Seattle | Fri, Jun 6 | Frontier AirlinesHK$931 HK$1,40534% OFF34% OFFHK$1,405 HK$931
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FSD 15:5810h 39m1 stopsSEA 00:37Sioux Falls - Seattle | Fri, May 30 | Frontier AirlinesHK$935 HK$1,40533% OFF33% OFFHK$1,405 HK$935
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FSD 22:0918h 11m1 stopsSEA 14:20Sioux Falls - Seattle | Mon, Jun 9 | Allegiant AirHK$941 HK$1,40533% OFF33% OFFHK$1,405 HK$941
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FSD 15:5810h 36m1 stopsSEA 00:34Sioux Falls - Seattle | Mon, Jun 9 | Frontier AirlinesHK$95632% OFFHK$1,405 HK$956
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FSD 22:0915h 24m1 stopsSEA 11:33Sioux Falls - Seattle | Fri, Jun 6 | Allegiant AirHK$97431% OFFHK$1,405 HK$974
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FSD 15:5810h 36m1 stopsSEA 00:34Sioux Falls - Seattle | Thu, Jun 5 | Frontier AirlinesHK$1,00428% OFFHK$1,405 HK$1,004
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FSD 15:5810h 39m1 stopsSEA 00:37Sioux Falls - Seattle | Thu, May 29 | Frontier AirlinesHK$1,01428% OFFHK$1,405 HK$1,014
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FSD 19:2725h 26m1 stopsSEA 18:53Sioux Falls - Seattle | Fri, Jun 13 | Frontier AirlinesHK$1,05425% OFFHK$1,405 HK$1,054
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FSD 21:1714h 47m1 stopsSEA 10:04Sioux Falls - Seattle | Fri, Jun 20 | Allegiant AirHK$1,08922% OFFHK$1,405 HK$1,089
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FSD 19:277h 7m1 stopsSEA 00:34Sioux Falls - Seattle | Mon, Jun 16 | Frontier AirlinesHK$1,15218% OFFHK$1,405 HK$1,152
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FSD 13:0017h 25m1 stopsSEA Invalid DateSioux Falls - Seattle | Sat, May 24 | Normal AirlineFind More FlightsFind More Flights
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Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.
Flight Information from Sioux Falls to Seattle
| Cheapest one-way flight price | HK$930 |
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| Off-season travel month | April |
| Peak season for travel | June |
| Flight distance | 2,027.48km |
| Popular airline | Alaska Airlines |
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Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.
FAQ
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When are flight tickets from Sioux Falls (FSD) to Seattle (SEA) the cheapest?
Airlines adjust prices for flights from Sioux Falls to Seattle based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the cheapest flight prices on Tuesdays, Wednesdays, and Saturdays. -
How much are flights from Sioux Falls (FSD) to Seattle (SEA) cost?
According to Trip.com's data, the lowest price is around HK$3,712. -
How many airports in Seattle (SEA)?
There are 3 airport(s) in Seattle (SEA): King County (Boeing Field) International Airport, Lake Union Sea Plane Base and Seattle–Tacoma International Airport.
How to find a cheap flight from Sioux Falls to Seattle
Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Sioux Falls to Seattle. Book your flights at the right time and save more.
Be flexible with your travel dates to get the cheapest flight from Sioux Falls to Seattle.
Simply tap "Date" on the flight search bar to browse through the calendar and check out airfare from Sioux Falls to Seattle over the next 6 months in 2025. If you're planning to fly within the next three months, it looks like the most affordable option is on Fri, Jun 6, with one-way flights priced at just HK$931.
Compare cheap flight deals from Sioux Falls to Seattle across hundreds of airlines.
With our extensive search, you can compare prices from over 500 airlines to find the cheapest flight tickets from Sioux Falls to Seattle. The cheapest airline for this route is Frontier Airlines.
Set up a Price Alert
By setting up a Price Alert for your journey from Sioux Falls to Seattle, you can easily keep an eye on ticket prices without having to check every day.
Don't miss out on cheap flight deals and promo codes from Sioux Falls to Seattle.
You can always find the latest offers through Trip.com Deals and Promo Codes for cheap flights. By signing up for a free membership, you'll get access to even more deals for your flights.
Book early or wait until the last minute.
It's usually best to book early. Flight tickets are often cheapest when they're first released, typically about a year before the departure date. So, have a look online as soon as the flights you're interested in become available. If you miss the cheapest time, you might still find some good deals as the departure date gets closer.
Search for flights on the go.
For the best travel flight booking experience, download the Trip.com app. You can search for cheap flights from Sioux Falls to Seattle and snag some exclusive deals just for you.
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