$309+ Cheap flights from St. Louis to Bellingham (STL - 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 10/23. Fares are subject to change and may not be available on all flights or dates of travel.
STL — BLI
Nov 5 — Nov 121
Round-trip
1 adult, Economy
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Find cheap flights from St. Louis to Bellingham 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 St. Louis to Bellingham
Cheapest
Best
Last-minute
One-way
Cheapest flights from St. Louis to BellinghamExplore the most affordable flight options available from St. Louis to Bellingham. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 6, 2026.
Explore the most affordable flight options available from St. Louis to Bellingham. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 6, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/2. 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 10/301:28 pm -
1 stop12h 06m
Mon 11/26:00 am -
2 stops11h 14m
Deal found 10/2![Multiple Airlines logo]()
$507
This Alaska Airlines deal was found by Cheapflights users on 10/2. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/254:32 pm -
1 stop9h 17m
Fri 1/12:38 pm -
1 stop7h 20m
Deal found 10/2![Alaska Airlines logo]()
$587
This Expedia deal was found by Cheapflights users on 10/2. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/307:02 am -
1 stop8h 35m
Mon 11/27:29 pm -
1 stop16h 56m
Deal found 10/2![Alaska Airlines logo]()
$623
This Alaska Airlines deal was found by Cheapflights users on 10/5. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/207:02 am -
1 stop13h 36m
Sat 10/245:16 am -
1 stop16h 43m
Deal found 10/5![Alaska Airlines logo]()
$627
This Alaska Airlines deal was found by Cheapflights users on 10/2. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/254:32 pm -
1 stop9h 17m
Sat 1/22:38 pm -
1 stop7h 20m
Deal found 10/2![Alaska Airlines logo]()
$640
This Alaska Airlines deal was found by Cheapflights users on 10/2. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/174:42 pm -
1 stop9h 11m
Wed 10/217:18 pm -
1 stop18h 26m
Deal found 10/2![Alaska Airlines logo]()
$719
This American Airlines deal was found by Cheapflights users on 10/2. 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.
Fri 12/258:26 am -
2 stops12h 14m
Fri 1/15:04 am -
2 stops11h 02m
Deal found 10/2![American Airlines logo]()
$752
Best flights from St. Louis to BellinghamDiscover carefully curated flight deals from St. Louis to Bellingham that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 6, 2026.
Discover carefully curated flight deals from St. Louis to Bellingham that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 6, 2026.
This Alaska Airlines deal was found by Cheapflights users on 10/5. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/207:02 am -
1 stop13h 36m
Sat 10/245:16 am -
1 stop16h 43m
Deal found 10/5![Alaska Airlines logo]()
$627
This American Airlines deal was found by Cheapflights users on 10/2. 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.
Fri 12/258:26 am -
2 stops12h 14m
Fri 1/15:04 am -
2 stops11h 02m
Deal found 10/2![American Airlines logo]()
$752
This Alaska Airlines deal was found by Cheapflights users on 10/2. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/254:32 pm -
1 stop9h 17m
Sat 1/22:38 pm -
1 stop7h 20m
Deal found 10/2![Alaska Airlines logo]()
$640
This Alaska Airlines deal was found by Cheapflights users on 10/2. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/174:42 pm -
1 stop9h 11m
Wed 10/217:18 pm -
1 stop18h 26m
Deal found 10/2![Alaska Airlines logo]()
$719
This Alaska Airlines deal was found by Cheapflights users on 10/2. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/266:04 am -
1 stop9h 54m
Fri 1/15:04 am -
1 stop8h 30m
Deal found 10/2![Alaska Airlines logo]()
$833
This Expedia deal was found by Cheapflights users on 10/5. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/127:02 am -
1 stop8h 35m
Tue 10/137:18 pm -
1 stop26h 41m
Deal found 10/5![Alaska Airlines logo]()
$898
This Alaska Airlines deal was found by Cheapflights users on 10/2. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/266:04 am -
2 stops18h 54m
Sat 1/212:36 pm -
2 stops33h 22m
Deal found 10/2![Alaska Airlines logo]()
$1,067
Last-minute flights from St. Louis to BellinghamDiscover last-minute flight deals from St. Louis to Bellingham. Data last updated October 6, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Bellingham. Data last updated October 6, 2026 and is based on user searches.
This Orbitz deal was found by Cheapflights users on 10/5. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/127:02 am -
1 stop8h 35m
Tue 10/137:18 pm -
2 stops26h 28m
Deal found 10/5![Alaska Airlines logo]()
$864
This Alaska Airlines deal was found by Cheapflights users on 10/2. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/174:42 pm -
1 stop9h 11m
Wed 10/217:18 pm -
1 stop18h 26m
Deal found 10/2![Alaska Airlines logo]()
$719
This Kiwi.com deal was found by Cheapflights users on 10/2. 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 10/301:28 pm -
1 stop12h 06m
Mon 11/26:00 am -
2 stops11h 14m
Deal found 10/2![Multiple Airlines logo]()
$507
This Expedia deal was found by Cheapflights users on 10/2. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/307:02 am -
1 stop8h 35m
Mon 11/27:29 pm -
1 stop16h 56m
Deal found 10/2![Alaska Airlines logo]()
$623
One-way flights from St. Louis to BellinghamSearch for one-way flight options from St. Louis to Bellingham. Find affordable one-way fares based on user searches. Data last updated October 6, 2026.
Search for one-way flight options from St. Louis to Bellingham. Find affordable one-way fares based on user searches. Data last updated October 6, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/4. 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.
Fri 10/231:30 pm -
1 stop12h 04m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/4![Multiple Airlines logo]()
$309
This American Airlines deal was found by Cheapflights users on 10/4. 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.
Fri 10/233:20 pm -
2 stops10h 33m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/4![American Airlines logo]()
$403
Find flight deals from St. Louis to Bellingham
Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) 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 6, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $507 (Kiwi.com) |
One-way from | $309 (Kiwi.com) |
Cheapflights Fare Finder
Customize your flight search to find flights from St. Louis 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 6, 2026.
Use the filters below to find and compare flights from St. Louis to Bellingham that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
St. LouisBellingham
STL Lambert-St Louis - BLI Bellingham
STLBLI
Lambert-St Louis
Fri 10/23
1:30 pm-11:34 pm
1 stop12h 04m
Bellingham
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$309
Quickest round-trip
St. LouisBellingham
STL Lambert-St Louis - BLI Bellingham
STLBLI
Lambert-St Louis
Fri 10/23
3:20 pm-11:53 pm
2 stops10h 33m
Bellingham
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$403
St. LouisBellingham
STL Lambert-St Louis - BLI Bellingham
STLBLI
Lambert-St Louis
Tue 10/20
7:02 am-6:38 pm
1 stop13h 36m
Bellingham
Sat 10/24
5:16 am-11:59 pm
1 stop16h 43m
$627
St. LouisBellingham
STL Lambert-St Louis - BLI Bellingham
STLBLI
Lambert-St Louis
Fri 12/25
4:32 pm-11:49 pm
1 stop9h 17m
Bellingham
Sat 1/2
2:38 pm-11:58 pm
1 stop7h 20m
$640
St. LouisBellingham
STL Lambert-St Louis - BLI Bellingham
STLBLI
Lambert-St Louis
Sat 10/17
4:42 pm-11:53 pm
1 stop9h 11m
Bellingham
Wed 10/21
7:18 pm-3:44 pm
1 stop18h 26m
$719
St. LouisBellingham
STL Lambert-St Louis - BLI Bellingham
STLBLI
Lambert-St Louis
Fri 12/25
8:26 am-6:40 pm
2 stops12h 14m
Bellingham
Fri 1/1
5:04 am-6:06 pm
2 stops11h 02m
$752
St. LouisBellingham
STL Lambert-St Louis - BLI Bellingham
STLBLI
Lambert-St Louis
Sat 12/26
6:04 am-1:58 pm
1 stop9h 54m
Bellingham
Fri 1/1
5:04 am-3:34 pm
1 stop8h 30m
$833
St. LouisBellingham
STL Lambert-St Louis - BLI Bellingham
STLBLI
Lambert-St Louis
Mon 10/12
7:02 am-1:37 pm
1 stop8h 35m
Bellingham
Tue 10/13
7:18 pm-11:59 pm
1 stop26h 41m
$898
St. LouisBellingham
STL Lambert-St Louis - BLI Bellingham
STLBLI
Lambert-St Louis
Sat 12/26
6:04 am-10:58 pm
2 stops18h 54m
Bellingham
Sat 1/2
12:36 pm-11:58 pm
2 stops33h 22m
$1,067
Sorted by cheapest first
Compare providers for flights from St. Louis 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 St. Louis to Bellingham in October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on St. Louis-Bellingham flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on St. Louis-Bellingham flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from St. Louis-Bellingham flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on St. Louis-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 St. Louis-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 St. Louis to Bellingham
Have a flexible travel schedule? Discover the best time to fly to Bellingham from St. Louis with our price prediction graph.
STL-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.
Reviews of airlines servicing Bellingham
Get insights into the airlines that provide service to Bellingham. 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 Bellingham. Reviews last updated October 6, 2026.
Get a feel of what it's like to fly with Alaska Airlines from St. Louis to Bellingham by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.0
Food
7.0
Boarding
8.1
Comfort
7.8
Overall
7.9
Crew
8.5
Reviews
1 / 20
8.0
ExcellentAnonymous,Jun 2026
RDU - SEA
Entertainment
7.0
Food
7.0
Boarding
8.1
Comfort
7.8
Overall
7.9
Crew
8.5
Reviews
1 / 20
8.0
ExcellentAnonymous,Jun 2026
RDU - SEA
Related info for your journey
Find useful and relevant information for your journey from St. Louis 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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Other flights to Bellingham
Explore flights to Bellingham departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 6, 2026.
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St. Louis and Bellingham flights
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Top airline flying from St. Louis to Bellingham
Discover the top airline that operate flights from St. Louis to Bellingham. 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 7,457,451 searches. Data last updated October 6, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$393 | Average$647 | FlexibilityNo cancel fee | On-time75% |