$685+ Cheap flights from Sioux Falls to Bellingham (FSD - BLI)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/25. Fares are subject to change and may not be available on all flights or dates of travel.
FSD — BLI
Nov 18 — Nov 251
Round-trip
1 adult, Economy
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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 Sioux Falls to Bellingham
Cheapest
Best
Last-minute
Cheapest flights from Sioux Falls to BellinghamExplore the most affordable flight options available from Sioux Falls to Bellingham. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 19, 2026.
Explore the most affordable flight options available from Sioux Falls to Bellingham. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 19, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/17. 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.
Wed 11/258:31 pm -
1 stop16h 10m
Mon 11/306:24 pm -
1 stop18h 24m
Deal found 10/17![Allegiant Air logo]()
$685
This Alaska Airlines deal was found by Cheapflights users on 10/17. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/253:17 pm -
2 stops10h 33m
Mon 11/307:24 pm -
2 stops14h 17m
Deal found 10/17![Alaska Airlines logo]()
$945
This Alaska Airlines deal was found by Cheapflights users on 10/14. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3012:07 pm -
2 stops13h 46m
Tue 11/37:29 pm -
2 stops14h 09m
Deal found 10/14![Alaska Airlines logo]()
$1,092
Best flights from Sioux Falls to BellinghamDiscover carefully curated flight deals from Sioux Falls to Bellingham that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 19, 2026.
Discover carefully curated flight deals from Sioux Falls to Bellingham that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 19, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/17. 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.
Wed 11/258:31 pm -
1 stop16h 10m
Mon 11/306:24 pm -
1 stop18h 24m
Deal found 10/17![Allegiant Air logo]()
$685
This Alaska Airlines deal was found by Cheapflights users on 10/17. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/253:17 pm -
2 stops10h 33m
Mon 11/307:24 pm -
2 stops14h 17m
Deal found 10/17![Alaska Airlines logo]()
$945
This Alaska Airlines deal was found by Cheapflights users on 10/14. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3012:07 pm -
2 stops13h 46m
Tue 11/37:29 pm -
2 stops14h 09m
Deal found 10/14![Alaska Airlines logo]()
$1,092
Last-minute flights from Sioux Falls to BellinghamDiscover last-minute flight deals from Sioux Falls to Bellingham. Data last updated October 19, 2026 and is based on user searches.
Discover last-minute flight deals from Sioux Falls to Bellingham. Data last updated October 19, 2026 and is based on user searches.
This Alaska Airlines deal was found by Cheapflights users on 10/14. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3012:07 pm -
2 stops13h 46m
Tue 11/37:29 pm -
2 stops14h 09m
Deal found 10/14![Alaska Airlines logo]()
$1,092
This Kiwi.com deal was found by Cheapflights users on 10/17. 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.
Wed 11/258:31 pm -
1 stop16h 10m
Mon 11/306:24 pm -
1 stop18h 24m
Deal found 10/17![Allegiant Air logo]()
$685
This Alaska Airlines deal was found by Cheapflights users on 10/17. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/253:17 pm -
2 stops10h 33m
Mon 11/307:24 pm -
2 stops14h 17m
Deal found 10/17![Alaska Airlines logo]()
$945
Find flight deals from Sioux Falls to Bellingham
Discover tips and strategies to find the most affordable flight options for your journey from Sioux Falls (FSD) to Bellingham (BLI). 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 October 19, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $685 (Kiwi.com) |
Cheapflights Fare Finder
Customize your flight search to find flights from Sioux Falls to Bellingham 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 7,457,451 searches. Data last updated October 19, 2026.
Use the filters below to find and compare flights from Sioux Falls to Bellingham that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Sioux FallsBellingham
FSD Sioux Falls Joe Foss Field - BLI Bellingham
FSDBLI
Sioux Falls Joe Foss Field
Wed 11/25
8:31 pm-10:41 am
1 stop16h 10m
Bellingham
Mon 11/30
6:24 pm-2:48 pm
1 stop18h 24m
$685
Quickest round-trip
Sioux FallsBellingham
FSD Sioux Falls Joe Foss Field - BLI Bellingham
FSDBLI
Sioux Falls Joe Foss Field
Wed 11/25
3:17 pm-11:50 pm
2 stops10h 33m
Bellingham
Mon 11/30
7:24 pm-11:41 am
2 stops14h 17m
$945
Sioux FallsBellingham
FSD Sioux Falls Joe Foss Field - BLI Bellingham
FSDBLI
Sioux Falls Joe Foss Field
Fri 10/30
12:07 pm-11:53 pm
2 stops13h 46m
Bellingham
Tue 11/3
7:29 pm-11:38 am
2 stops14h 09m
$1,092
Sorted by cheapest first
Compare providers for flights from Sioux Falls to Bellingham
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 Sioux Falls to Bellingham in October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Sioux Falls-Bellingham flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Sioux Falls-Bellingham flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Sioux Falls-Bellingham flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Sioux Falls-Bellingham 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 Sioux Falls-Bellingham 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 Sioux Falls to Bellingham
Have a flexible travel schedule? Discover the best time to fly to Bellingham from Sioux Falls with our price prediction graph.
FSD-BLI
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.
Related info for your journey
Find useful and relevant information for your journey from Sioux Falls to Bellingham. 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 Bellingham?
Book flights to Bellingham if you plan to visit one of these locationsMount Vernon
Ferndale
Blaine
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