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Cheap flights from Bellingham to St. Louis from $403

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 2/25. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Bellingham to St. Louis

Cheap round-trip flights

Enter your travel dates to find the best prices.
Alaska Airlines Logo
3:55 pm - 1:51 pm
BLI
-
STL
19h 56m
1 stop
Alaska Airlines Logo
2:47 pm - 11:13 am
STL
-
BLI
22h 26m
1 stop
$403Alaska Airlines
Wed, Feb 25 - Sat, Feb 28
Alaska Airlines Logo
3:55 pm - 1:51 pm
BLI
-
STL
19h 56m
1 stop
Alaska Airlines Logo
2:47 pm - 11:13 am
STL
-
BLI
22h 26m
1 stop
$453Alaska Airlines
Wed, Feb 25 - Sat, Feb 28
Alaska Airlines Logo
11:53 am - 1:51 pm
BLI
-
STL
23h 58m
1 stop
Alaska Airlines Logo
2:47 pm - 11:13 am
STL
-
BLI
22h 26m
1 stop
$523Alaska Airlines
Wed, Feb 25 - Sat, Feb 28
Alaska Airlines Logo
3:55 pm - 8:55 am
BLI
-
STL
15h 00m
2 stops
Alaska Airlines Logo
2:47 pm - 11:13 am
STL
-
BLI
22h 26m
1 stop
$558Alaska Airlines
Wed, Feb 25 - Sat, Feb 28
Alaska Airlines Logo
3:55 pm - 8:55 am
BLI
-
STL
15h 00m
2 stops
Alaska Airlines Logo
5:12 am - 4:24 pm
STL
-
BLI
13h 12m
2 stops
$596Alaska Airlines
Wed, Feb 25 - Sat, Feb 28
Alaska Airlines Logo
3:55 pm - 8:55 am
BLI
-
STL
15h 00m
2 stops
Alaska Airlines Logo
5:12 am - 4:24 pm
STL
-
BLI
13h 12m
2 stops
$611Alaska Airlines
Wed, Feb 25 - Sat, Feb 28
Multiple Airlines Logo
12:24 pm - 11:19 am
BLI
-
STL
20h 55m
1 stop
Multiple Airlines Logo
8:12 pm - 6:56 pm
STL
-
BLI
48h 44m
2 stops
$617Multiple Airlines
Fri, Mar 20 - Mon, Mar 23
Multiple Airlines Logo
1:28 pm - 11:19 am
BLI
-
STL
19h 51m
1 stop
Multiple Airlines Logo
12:14 pm - 11:30 pm
STL
-
BLI
13h 16m
1 stop
$640Multiple Airlines
Fri, Mar 20 - Mon, Mar 23
Alaska Airlines Logo
11:53 am - 8:55 am
BLI
-
STL
19h 02m
2 stops
Alaska Airlines Logo
2:47 pm - 11:13 am
STL
-
BLI
22h 26m
1 stop
$688Alaska Airlines
Wed, Feb 25 - Sat, Feb 28
Alaska Airlines Logo
11:53 am - 11:59 pm
BLI
-
STL
10h 06m
2 stops
Alaska Airlines Logo
5:12 am - 11:13 am
STL
-
BLI
32h 01m
2 stops
$779Alaska Airlines
Wed, Feb 25 - Sat, Feb 28

Alaska Airlines flights from Bellingham to St. Louis

Our best Alaska Airlines deals on Bellingham to St. Louis flight tickets
Alaska Airlines
Feb 25
BLI3:55 pmBellingham
19h 56m
1 stop
STL1:51 pmLambert-St Louis
Feb 28
STL2:47 pmLambert-St Louis
22h 26m
1 stop
BLI11:13 amBellingham
$403
Alaska Airlines
Feb 25
BLI3:55 pmBellingham
19h 56m
1 stop
STL1:51 pmLambert-St Louis
Feb 28
STL2:47 pmLambert-St Louis
22h 26m
1 stop
BLI11:13 amBellingham
$453
Alaska Airlines
Feb 25
BLI11:53 amBellingham
23h 58m
1 stop
STL1:51 pmLambert-St Louis
Feb 28
STL2:47 pmLambert-St Louis
22h 26m
1 stop
BLI11:13 amBellingham
$523

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 February 7, 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

BellinghamSt. Louis

BLI - STL

BLISTL

Bellingham

Wed 2/25

3:55 pm-1:51 pm

1 stop19h 56m

Lambert-St Louis

Sat 2/28

2:47 pm-11:13 am

1 stop22h 26m

$403

BellinghamSt. Louis

BLI - STL

BLISTL

Bellingham

Wed 2/25

3:55 pm-1:51 pm

1 stop19h 56m

Lambert-St Louis

Sat 2/28

2:47 pm-11:13 am

1 stop22h 26m

$453

BellinghamSt. Louis

BLI - STL

BLISTL

Bellingham

Wed 2/25

11:53 am-1:51 pm

1 stop23h 58m

Lambert-St Louis

Sat 2/28

2:47 pm-11:13 am

1 stop22h 26m

$523

BellinghamSt. Louis

BLI - STL

BLISTL

Bellingham

Wed 2/25

3:55 pm-8:55 am

2 stops15h 00m

Lambert-St Louis

Sat 2/28

2:47 pm-11:13 am

1 stop22h 26m

$558

BellinghamSt. Louis

BLI - STL

BLISTL

Bellingham

Wed 2/25

3:55 pm-8:55 am

2 stops15h 00m

Lambert-St Louis

Sat 2/28

5:12 am-4:24 pm

2 stops13h 12m

$596

BellinghamSt. Louis

BLI - STL

BLISTL

Bellingham

Wed 2/25

3:55 pm-8:55 am

2 stops15h 00m

Lambert-St Louis

Sat 2/28

5:12 am-4:24 pm

2 stops13h 12m

$611

BellinghamSt. Louis

BLI - STL

BLISTL

Bellingham

Fri 3/20

12:24 pm-11:19 am

1 stop20h 55m

Lambert-St Louis

Mon 3/23

8:12 pm-6:56 pm

2 stops48h 44m

$617

BellinghamSt. Louis

BLI - STL

BLISTL

Bellingham

Fri 3/20

1:28 pm-11:19 am

1 stop19h 51m

Lambert-St Louis

Mon 3/23

12:14 pm-11:30 pm

1 stop13h 16m

$640

BellinghamSt. Louis

BLI - STL

BLISTL

Bellingham

Wed 2/25

11:53 am-8:55 am

2 stops19h 02m

Lambert-St Louis

Sat 2/28

2:47 pm-11:13 am

1 stop22h 26m

$688

BellinghamSt. Louis

BLI - STL

BLISTL

Bellingham

Wed 2/25

11:53 am-11:59 pm

2 stops10h 06m

Lambert-St Louis

Sat 2/28

5:12 am-11:13 am

2 stops32h 01m

$779

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

20h 55m

Direct flights

None
The fastest flight from Bellingham to St. Louis takes 20h 55m
There are no direct flights from Bellingham to St. Louis. There are no popular flight routes from Bellingham to St. Louis.
Search flight deals

  • 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 20h 55m.

  • 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 $395Free CancellationRating
8.0
11,847 reviews
Search Alaska Airlines flights

  • 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
Hermann
Fairview Heights
Maryland Heights
Florissant
O'Fallon
Collinsville
St. Peters
Fenton
Wentzville
Alton
Farmington
Clayton
Edwardsville
Eureka
Festus
Litchfield
Glencoe
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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