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Cheap flights from Bellingham to St. Louis from $481

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Bellingham to St. Louis departing on 10/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Bellingham to St. Louis

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
4:58 pm - 11:17 amBLI  Bellingham-STL Lambert-St Louis
16h 19m1 stop Las Vegas Harry Reid Intl
Multiple Airlines Logo
4:30 pm - 11:34 pmSTL  Lambert-St Louis-BLI Bellingham
33h 04m2 stops Orlando Las Vegas Harry Reid Intl
$481Multiple Airlines
Thu, Oct 1 - Thu, Oct 8
Alaska Airlines Logo
7:30 am - 5:10 pmBLI  Bellingham-STL Lambert-St Louis
7h 40m1 stop Portland
Alaska Airlines Logo
6:35 am - 6:39 pmSTL  Lambert-St Louis-BLI Bellingham
14h 04m1 stop Seattle/Tacoma Intl
$543Alaska Airlines
Fri, Sep 4 - Sat, Sep 5
Alaska Airlines Logo
7:00 am - 5:10 pmBLI  Bellingham-STL Lambert-St Louis
8h 10m1 stop Portland
Alaska Airlines Logo
4:42 pm - 11:53 pmSTL  Lambert-St Louis-BLI Bellingham
9h 11m1 stop Seattle/Tacoma Intl
$543Alaska Airlines
Thu, Oct 1 - Thu, Oct 8
Alaska Airlines Logo
2:17 pm - 3:44 pmBLI  Bellingham-STL Lambert-St Louis
23h 27m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
7:02 am - 6:38 pmSTL  Lambert-St Louis-BLI Bellingham
13h 36m1 stop Seattle/Tacoma Intl
$544Alaska Airlines
Mon, Oct 26 - Thu, Oct 29
Alaska Airlines Logo
7:19 pm - 2:04 pmBLI  Bellingham-STL Lambert-St Louis
16h 45m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
6:08 pm - 6:39 pmSTL  Lambert-St Louis-BLI Bellingham
26h 31m2 stops Portland Seattle/Tacoma Intl
$571Alaska Airlines
Fri, Sep 4 - Sat, Sep 5
Alaska Airlines Logo
8:20 am - 11:59 pmBLI  Bellingham-STL Lambert-St Louis
13h 39m2 stops Portland Seattle/Tacoma Intl
Alaska Airlines Logo
7:02 am - 6:38 pmSTL  Lambert-St Louis-BLI Bellingham
13h 36m1 stop Seattle/Tacoma Intl
$600Alaska Airlines
Mon, Oct 26 - Thu, Oct 29
Alaska Airlines Logo
2:17 pm - 11:59 pmBLI  Bellingham-STL Lambert-St Louis
7h 42m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
7:02 am - 1:37 pmSTL  Lambert-St Louis-BLI Bellingham
8h 35m1 stop Seattle/Tacoma Intl
$601Alaska Airlines
Mon, Oct 26 - Thu, Oct 29
Alaska Airlines Logo
7:00 am - 5:10 pmBLI  Bellingham-STL Lambert-St Louis
8h 10m1 stop Portland
Alaska Airlines Logo
6:29 am - 6:46 pmSTL  Lambert-St Louis-BLI Bellingham
14h 17m1 stop Seattle/Tacoma Intl
$638Alaska Airlines
Mon, Sep 21 - Thu, Sep 24
Alaska Airlines Logo
7:30 am - 2:04 pmBLI  Bellingham-STL Lambert-St Louis
28h 34m2 stops Portland Seattle/Tacoma Intl
Alaska Airlines Logo
6:08 pm - 6:39 pmSTL  Lambert-St Louis-BLI Bellingham
26h 31m2 stops Portland Seattle/Tacoma Intl
$651Alaska Airlines
Fri, Sep 4 - Sat, Sep 5
Alaska Airlines Logo
7:00 am - 5:10 pmBLI  Bellingham-STL Lambert-St Louis
8h 10m1 stop Portland
Alaska Airlines Logo
6:08 pm - 6:46 pmSTL  Lambert-St Louis-BLI Bellingham
26h 38m2 stops Portland Seattle/Tacoma Intl
$657Alaska Airlines
Mon, Sep 21 - Thu, Sep 24

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Alaska Airlines flights from Bellingham to St. Louis

Our best Alaska Airlines deals on Bellingham to St. Louis flight tickets
Alaska Airlines
Sep 4
BLI7:30 amBellingham
7h 40m
1 stop
STL5:10 pmLambert-St Louis
Sep 5
STL6:35 amLambert-St Louis
14h 04m
1 stop
BLI6:39 pmBellingham
$543
Alaska Airlines
Oct 26
BLI2:17 pmBellingham
23h 27m
1 stop
STL3:44 pmLambert-St Louis
Oct 29
STL7:02 amLambert-St Louis
13h 36m
1 stop
BLI6:38 pmBellingham
$544
Alaska Airlines
Sep 4
BLI7:19 pmBellingham
16h 45m
1 stop
STL2:04 pmLambert-St Louis
Sep 5
STL6:08 pmLambert-St Louis
26h 31m
2 stops
BLI6:39 pmBellingham
$571

momondo Fare Finder

 
Customize your flight search to find flights from Bellingham to St. Louis 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, momondo users made 832,500 searches. Data last updated August 13, 2026.
Use the filters below to find and compare flights from Bellingham to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BellinghamSt. Louis

BLI Bellingham - STL Lambert-St Louis

BLISTL

Bellingham

Thu 10/1

4:58 pm-11:17 am

1 stop16h 19m

Lambert-St Louis

Thu 10/8

4:30 pm-11:34 pm

2 stops33h 04m

$481

BellinghamSt. Louis

BLI Bellingham - STL Lambert-St Louis

BLISTL

Bellingham

Fri 9/4

7:30 am-5:10 pm

1 stop7h 40m

Lambert-St Louis

Sat 9/5

6:35 am-6:39 pm

1 stop14h 04m

$543

BellinghamSt. Louis

BLI Bellingham - STL Lambert-St Louis

BLISTL

Bellingham

Thu 10/1

7:00 am-5:10 pm

1 stop8h 10m

Lambert-St Louis

Thu 10/8

4:42 pm-11:53 pm

1 stop9h 11m

$543

BellinghamSt. Louis

BLI Bellingham - STL Lambert-St Louis

BLISTL

Bellingham

Mon 10/26

2:17 pm-3:44 pm

1 stop23h 27m

Lambert-St Louis

Thu 10/29

7:02 am-6:38 pm

1 stop13h 36m

$544

BellinghamSt. Louis

BLI Bellingham - STL Lambert-St Louis

BLISTL

Bellingham

Fri 9/4

7:19 pm-2:04 pm

1 stop16h 45m

Lambert-St Louis

Sat 9/5

6:08 pm-6:39 pm

2 stops26h 31m

$571

BellinghamSt. Louis

BLI Bellingham - STL Lambert-St Louis

BLISTL

Bellingham

Mon 10/26

8:20 am-11:59 pm

2 stops13h 39m

Lambert-St Louis

Thu 10/29

7:02 am-6:38 pm

1 stop13h 36m

$600
Quickest round-trip

BellinghamSt. Louis

BLI Bellingham - STL Lambert-St Louis

BLISTL

Bellingham

Mon 10/26

2:17 pm-11:59 pm

1 stop7h 42m

Lambert-St Louis

Thu 10/29

7:02 am-1:37 pm

1 stop8h 35m

$601

BellinghamSt. Louis

BLI Bellingham - STL Lambert-St Louis

BLISTL

Bellingham

Mon 9/21

7:00 am-5:10 pm

1 stop8h 10m

Lambert-St Louis

Thu 9/24

6:29 am-6:46 pm

1 stop14h 17m

$638

BellinghamSt. Louis

BLI Bellingham - STL Lambert-St Louis

BLISTL

Bellingham

Fri 9/4

7:30 am-2:04 pm

2 stops28h 34m

Lambert-St Louis

Sat 9/5

6:08 pm-6:39 pm

2 stops26h 31m

$651

BellinghamSt. Louis

BLI Bellingham - STL Lambert-St Louis

BLISTL

Bellingham

Mon 9/21

7:00 am-5:10 pm

1 stop8h 10m

Lambert-St Louis

Thu 9/24

6:08 pm-6:46 pm

2 stops26h 38m

$657

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from Bellingham to St. Louis

Are you open to changing your travel dates? Check out the ideal times to fly from Bellingham to St. Louis according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Bellingham to St. Louis (BLI to STL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Bellingham to St. Louis

Fastest flight time

8h 10m

Direct flights

None
The fastest flight from Bellingham to St. Louis takes 8h 10m
There are no direct flights from Bellingham to St. Louis. There are no popular flight routes from Bellingham to St. Louis.
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Frequently asked questions about flying from Bellingham to St. Louis

  • How far is Bellingham to Lambert-St Louis by plane?

    The distance between Bellingham and Lambert-St Louis is about 1740.6 mi. In terms of flight time, this usually takes a little over 8h 10m.

  • When did momondo last update prices for flights from Bellingham Airport to Lambert-St Louis Airport?

    Prices for flights from Bellingham Airport to Lambert-St Louis Airport refresh daily.

  • How many operators does momondo search for flights from Bellingham Airport to Lambert-St Louis Airport?

  • How old do you have to be to fly from Bellingham Airport to Lambert-St Louis Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Bellingham Airport to Lambert-St Louis Airport.

  • What documentation or ID do you need to fly to Lambert-St Louis Airport?

    The travel and health documents you'll need for your trip to Lambert-St Louis Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Lambert-St Louis Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Bellingham to St. Louis?

Best airlines flying from Bellingham to St. Louis

Compare and see reviews for airlines that fly from Bellingham to St. Louis with momondo
Airline
Rating
Free Cancellation
Price
Alaska AirlinesPriceFrom $320Free CancellationRating
7.9
12,805 reviews
Search Alaska Airlines flights

Frequently asked questions about flying from Bellingham to St. Louis

  • How do I get Price Alerts for flights from Bellingham to St. Louis?

    Confirm your travel details to search for the latest offers for flights from Bellingham to St. Louis. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

  • How can I save money on flights from Bellingham to St. Louis with momondo?

    Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.

  • How does momondo find its flight prices?

    momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
St. Charles
Chesterfield
Fairview Heights
Hermann
St. Peters
Maryland Heights
Collinsville
Florissant
Alton
O'Fallon
Farmington
Clayton
Fenton
Festus
Wentzville
Eureka
Edwardsville
Litchfield
Grafton
Shrewsbury

Why use momondo?

Why should I use momondo to find a flight deal from Bellingham to St. Louis?

It is quick and easy to find Bellingham to St. Louis flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to St. Louis that suits you.

Can I find flights from Bellingham to St. Louis with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Bellingham to St. Louis flights to just show those with flexible booking policies.

How can momondo help me find flights from Bellingham to St. Louis?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Bellingham to St. Louis.

I’m not ready to book a flight from Bellingham to St. Louis right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to St. Louis from Bellingham. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your St. Louis trip

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