$117+ Cheap flights from Seattle to Sioux Falls (SEA - FSD)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/4. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — FSD
Jun 5 — Jun 121
Round-trip
1 adult, Economy
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Find cheap flights from Seattle to Sioux Falls with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Seattle to Sioux Falls
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Cheapest flights from Seattle to Sioux FallsExplore the most affordable flight options available from Seattle to Sioux Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 6, 2026.
Explore the most affordable flight options available from Seattle to Sioux Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 6, 2026.
This CheapOair deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/187:41 pm
SEA
- FSD
1 stop21h 38m
Frontier
Mon 6/228:14 pm
FSD
- SEA
1 stop20h 04m
Frontier
Deal found 5/4![Frontier logo]()
$260
This CheapOair deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/217:50 pm
SEA
- FSD
1 stop17h 50m
Frontier
Mon 5/254:25 pm
FSD
- SEA
1 stop19h 41m
Frontier
Deal found 5/1![Frontier logo]()
$271
This Kiwi.com deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/43:19 pm
SEA
- FSD
1 stop22h 21m
Multiple Airlines
Wed 6/173:36 pm
FSD
- SEA
1 stop20h 59m
Multiple Airlines
Deal found 5/3![Multiple Airlines logo]()
$328
This American Airlines deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/43:20 pm
SEA
- FSD
1 stop6h 38m
American Airlines
Sun 6/75:35 pm
FSD
- SEA
1 stop9h 24m
American Airlines
Deal found 5/2![American Airlines logo]()
$329
This Kiwi.com deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/211:21 am
SEA
- FSD
2 stops25h 25m
Multiple Airlines
Wed 6/173:36 pm
FSD
- SEA
1 stop20h 59m
Multiple Airlines
Deal found 5/3![Multiple Airlines logo]()
$330
This Kiwi.com deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/43:19 pm
SEA
- FSD
1 stop22h 21m
Multiple Airlines
Wed 6/103:36 pm
FSD
- SEA
1 stop20h 59m
Multiple Airlines
Deal found 5/4![Multiple Airlines logo]()
$346
This American Airlines deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/155:05 am
SEA
- FSD
1 stop9h 49m
American Airlines
Sat 7/185:01 pm
FSD
- SEA
1 stop9h 51m
American Airlines
Deal found 5/4![American Airlines logo]()
$379
Best flights from Seattle to Sioux FallsDiscover carefully curated flight deals from Seattle to Sioux Falls that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 6, 2026.
Discover carefully curated flight deals from Seattle to Sioux Falls that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 6, 2026.
This Delta deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/811:59 pm
SEA
- FSD
1 stop8h 17m
Delta
Sat 6/204:26 pm
FSD
- SEA
1 stop7h 29m
Delta
Deal found 5/3![Delta logo]()
$329
This United Airlines deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/227:06 am
SEA
- FSD
2 stops9h 09m
United Airlines
Tue 8/256:00 am
FSD
- SEA
1 stop6h 03m
United Airlines
Deal found 5/1![United Airlines logo]()
$409
This American Airlines deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/125:10 am
SEA
- FSD
1 stop9h 45m
American Airlines
Sun 6/145:35 pm
FSD
- SEA
1 stop8h 09m
American Airlines
Deal found 5/3![American Airlines logo]()
$424
This Delta deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/2511:59 pm
SEA
- FSD
1 stop8h 16m
Delta
Wed 6/248:23 am
FSD
- SEA
1 stop6h 35m
Delta
Deal found 5/5![Delta logo]()
$399
This United Airlines deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/291:51 pm
SEA
- FSD
1 stop7h 35m
United Airlines
Sun 5/316:51 pm
FSD
- SEA
1 stop6h 19m
United Airlines
Deal found 5/3![United Airlines logo]()
$414
This United Airlines deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/111:05 am
SEA
- FSD
1 stop6h 59m
United Airlines
Sat 9/55:05 pm
FSD
- SEA
1 stop8h 06m
United Airlines
Deal found 5/4![United Airlines logo]()
$419
This United Airlines deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1612:29 pm
SEA
- FSD
1 stop5h 35m
United Airlines
Tue 9/227:40 am
FSD
- SEA
2 stops13h 27m
United Airlines
Deal found 5/1![United Airlines logo]()
$424
Last-minute flights from Seattle to Sioux FallsDiscover last-minute flight deals from Seattle to Sioux Falls. Data last updated May 6, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Sioux Falls. Data last updated May 6, 2026 and is based on user searches.
This CheapOair deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/217:50 pm
SEA
- FSD
1 stop17h 50m
Frontier
Mon 5/254:25 pm
FSD
- SEA
1 stop19h 41m
Frontier
Deal found 5/1![Frontier logo]()
$271
This Kiwi.com deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/211:21 am
SEA
- FSD
2 stops25h 25m
Multiple Airlines
Wed 6/173:36 pm
FSD
- SEA
1 stop20h 59m
Multiple Airlines
Deal found 5/3![Multiple Airlines logo]()
$330
This Kiwi.com deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/43:19 pm
SEA
- FSD
1 stop22h 21m
Multiple Airlines
Wed 6/173:36 pm
FSD
- SEA
1 stop20h 59m
Multiple Airlines
Deal found 5/3![Multiple Airlines logo]()
$328
This American Airlines deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/43:20 pm
SEA
- FSD
1 stop6h 38m
American Airlines
Sun 6/75:35 pm
FSD
- SEA
1 stop9h 24m
American Airlines
Deal found 5/2![American Airlines logo]()
$329
This Kiwi.com deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/43:19 pm
SEA
- FSD
1 stop22h 21m
Multiple Airlines
Wed 6/103:36 pm
FSD
- SEA
1 stop20h 59m
Multiple Airlines
Deal found 5/4![Multiple Airlines logo]()
$346
This Kiwi.com deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/77:50 pm
SEA
- FSD
1 stop17h 50m
Multiple Airlines
Wed 6/173:36 pm
FSD
- SEA
1 stop20h 59m
Multiple Airlines
Deal found 5/3![Multiple Airlines logo]()
$385
This CheapOair deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/187:41 pm
SEA
- FSD
1 stop21h 38m
Frontier
Mon 6/228:14 pm
FSD
- SEA
1 stop20h 04m
Frontier
Deal found 5/4![Frontier logo]()
$260
One-way flights from Seattle to Sioux FallsSearch for one-way flight options from Seattle to Sioux Falls. Find affordable one-way fares based on user searches. Data last updated May 6, 2026.
Search for one-way flight options from Seattle to Sioux Falls. Find affordable one-way fares based on user searches. Data last updated May 6, 2026.
This CheapOair deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/47:50 pm
SEA
- FSD
1 stop17h 50m
Frontier
Deal found 5/2![Frontier logo]()
$117
This CheapOair deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/147:41 pm
SEA
- FSD
1 stop21h 38m
Frontier
Deal found 5/3![Frontier logo]()
$157
This Kiwi.com deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/98:12 pm
SEA
- FSD
1 stop16h 34m
Multiple Airlines
Deal found 5/4![Multiple Airlines logo]()
$163
This Kiwi.com deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/511:21 am
SEA
- FSD
2 stops22h 45m
Multiple Airlines
Deal found 5/2![Multiple Airlines logo]()
$215
This Kiwi.com deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/118:12 pm
SEA
- FSD
1 stop12h 39m
Multiple Airlines
Deal found 5/4![Multiple Airlines logo]()
$226
This American Airlines deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/103:20 pm
SEA
- FSD
1 stop6h 34m
American Airlines
Deal found 5/5![American Airlines logo]()
$268
This WAYA deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/257:30 am
SEA
- FSD
1 stop6h 10m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$278
This American Airlines deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/55:10 am
SEA
- FSD
1 stop9h 45m
American Airlines
Deal found 5/5![American Airlines logo]()
$288
This Kiwi.com deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/78:20 pm
SEA
- FSD
1 stop12h 31m
Multiple Airlines
Deal found 5/4![Multiple Airlines logo]()
$301
Find flight deals from Seattle to Sioux Falls
Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Sioux Falls (FSD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated May 6, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $260 (CheapOair) |
One-way from | $117 (CheapOair) |
Popular in | February |
Cheapest in | November |
Average price | $599 |
Cheapflights Fare Finder
Customize your flight search to find flights from Seattle to Sioux Falls that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 6, 2026.
Use the filters below to find and compare flights from Seattle to Sioux Falls that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
SeattleSioux Falls
SEA - FSD
SEAFSD
Seattle/Tacoma Intl
Mon 6/8
11:59 pm-10:16 am
1 stop8h 17m
Sioux Falls Joe Foss Field
Sat 6/20
4:26 pm-9:55 pm
1 stop7h 29m
$329
SeattleSioux Falls
SEA - FSD
SEAFSD
Seattle/Tacoma Intl
Mon 5/25
11:59 pm-10:15 am
1 stop8h 16m
Sioux Falls Joe Foss Field
Wed 6/24
8:23 am-12:58 pm
1 stop6h 35m
$399
SeattleSioux Falls
SEA - FSD
SEAFSD
Seattle/Tacoma Intl
Sat 8/22
7:06 am-6:15 pm
2 stops9h 09m
Sioux Falls Joe Foss Field
Tue 8/25
6:00 am-10:03 am
1 stop6h 03m
$409
Quickest round-trip
SeattleSioux Falls
SEA - FSD
SEAFSD
Seattle/Tacoma Intl
Fri 5/29
1:51 pm-11:26 pm
1 stop7h 35m
Sioux Falls Joe Foss Field
Sun 5/31
6:51 pm-11:10 pm
1 stop6h 19m
$414
SeattleSioux Falls
SEA - FSD
SEAFSD
Seattle/Tacoma Intl
Tue 9/1
11:05 am-8:04 pm
1 stop6h 59m
Sioux Falls Joe Foss Field
Sat 9/5
5:05 pm-11:11 pm
1 stop8h 06m
$419
SeattleSioux Falls
SEA - FSD
SEAFSD
Seattle/Tacoma Intl
Fri 6/12
5:10 am-4:55 pm
1 stop9h 45m
Sioux Falls Joe Foss Field
Sun 6/14
5:35 pm-11:44 pm
1 stop8h 09m
$424
SeattleSioux Falls
SEA - FSD
SEAFSD
Seattle/Tacoma Intl
Wed 9/16
12:29 pm-8:04 pm
1 stop5h 35m
Sioux Falls Joe Foss Field
Tue 9/22
7:40 am-7:07 pm
2 stops13h 27m
$424
Cheapest one-way
SeattleSioux Falls
SEA - FSD
SEAFSD
Seattle/Tacoma Intl
Thu 6/4
7:50 pm-3:40 pm
1 stop17h 50m
$117
SeattleSioux Falls
SEA - FSD
SEAFSD
Seattle/Tacoma Intl
Sun 6/14
7:41 pm-7:19 pm
1 stop21h 38m
$157
SeattleSioux Falls
SEA - FSD
SEAFSD
Seattle/Tacoma Intl
Tue 6/9
8:12 pm-2:46 pm
1 stop16h 34m
$163
Showing 1-10 of 16 resultsSorted by cheapest first
Compare providers for flights from Seattle to Sioux Falls
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Seattle to Sioux Falls in May.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Seattle-Sioux Falls flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-Sioux Falls flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seattle-Sioux Falls flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Seattle-Sioux Falls flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Seattle-Sioux Falls flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Seattle to Sioux Falls
Have a flexible travel schedule? Discover the best time to fly to Sioux Falls from Seattle with our price prediction graph.
SEA-FSD
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Seattle to Sioux Falls
How far ahead should I book a flight from Seattle to Sioux Falls?
The price you pay for your flight from Seattle to Sioux Falls may vary depending on when you book. For the best chance of a lower fare, look to book 3 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from Seattle to Sioux Falls?
Currently, November is the cheapest month in which you can book a flight from Seattle to Sioux Falls (average of $286). Flying from Seattle to Sioux Falls in February is currently the most expensive (average of $860). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
How much does it cost to fly round-trip from Seattle to Sioux Falls?
Reviews of airlines servicing Sioux Falls
Get insights into the airlines that provide service to Sioux Falls. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Sioux Falls. Reviews last updated May 6, 2026.
See what other customers who have flown with Delta,United Airlines, andAmerican Airlines from Seattle to Sioux Falls have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.9
Crew
8.5
Food
7.2
Overall
7.9
Boarding
8.1
Entertainment
7.8
Reviews
1 / 20
4.0
OkayJoel,May 2026
ATL - JAX
Comfort
7.9
Crew
8.5
Food
7.2
Overall
7.9
Boarding
8.1
Entertainment
7.8
Reviews
1 / 20
4.0
OkayJoel,May 2026
ATL - JAX
Comfort
7.9
Crew
8.5
Food
7.2
Overall
7.9
Boarding
8.1
Entertainment
7.8
Reviews
1 / 20
4.0
OkayJoel,May 2026
ATL - JAX
Comfort
7.9
Crew
8.5
Food
7.2
Overall
7.9
Boarding
8.1
Entertainment
7.8
Reviews
1 / 20
4.0
OkayJoel,May 2026
ATL - JAX
Comfort
7.9
Crew
8.5
Food
7.2
Overall
7.9
Boarding
8.1
Entertainment
7.8
Reviews
1 / 20
4.0
OkayJoel,May 2026
ATL - JAX
Related info for your journey
Find useful and relevant information for your journey from Seattle to Sioux Falls. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Sioux Falls?
Book flights to Sioux Falls if you plan to visit one of these locationsMarshall
Yankton
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Seattle and Sioux Falls flights
Browse other Seattle and Sioux Falls flight options. Last updated on May 6, 2026.
Other flights from Seattle
Browse through other flights departing from Seattle. Flights are based on user searches made on Cheapflights and were last updated on May 6, 2026.
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Other flights to Sioux Falls
Explore flights to Sioux Falls departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on May 6, 2026.
Top 4 airlines flying from Seattle to Sioux Falls
Discover the top 4 airlines that operate flights from Seattle to Sioux Falls. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 6, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$188 | Average$358 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$268 | Average$353 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$278 | Average$468 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$286 | Average$502 | FlexibilityNo cancel fee | On-time69% |