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Cheap flights from Bellingham to St. Louis from $442

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 4/16. 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.
Multiple Airlines Logo
6:00 am - 9:00 pm
BLI
-
STL
13h 00m
1 stop
Multiple Airlines Logo
9:55 pm - 9:35 pm
STL
-
BLI
25h 40m
2 stops
$442Multiple Airlines
Thu, Apr 16 - Sun, Apr 19
Multiple Airlines Logo
6:00 am - 9:00 pm
BLI
-
STL
13h 00m
1 stop
Multiple Airlines Logo
11:21 am - 9:10 pm
STL
-
BLI
35h 49m
2 stops
$447Multiple Airlines
Thu, Apr 23 - Thu, Apr 30
Multiple Airlines Logo
6:00 am - 11:27 am
BLI
-
STL
27h 27m
1 stop
Multiple Airlines Logo
8:06 pm - 9:10 pm
STL
-
BLI
27h 04m
2 stops
$475Multiple Airlines
Sun, Apr 12 - Thu, Apr 16
Multiple Airlines Logo
6:00 am - 9:00 pm
BLI
-
STL
13h 00m
1 stop
Multiple Airlines Logo
9:55 pm - 9:10 pm
STL
-
BLI
25h 15m
1 stop
$478Multiple Airlines
Thu, Apr 23 - Thu, Apr 30
Multiple Airlines Logo
6:00 am - 9:00 pm
BLI
-
STL
13h 00m
1 stop
Multiple Airlines Logo
4:59 pm - 9:10 pm
STL
-
BLI
54h 11m
2 stops
$485Multiple Airlines
Sun, Apr 19 - Sat, Apr 25
Multiple Airlines Logo
6:00 am - 9:00 pm
BLI
-
STL
13h 00m
1 stop
Multiple Airlines Logo
9:55 pm - 9:10 pm
STL
-
BLI
25h 15m
1 stop
$486Multiple Airlines
Thu, Apr 16 - Sun, Apr 19
Multiple Airlines Logo
6:00 am - 9:00 pm
BLI
-
STL
13h 00m
1 stop
Multiple Airlines Logo
8:17 pm - 12:10 pm
STL
-
BLI
17h 53m
2 stops
$496Multiple Airlines
Sun, Apr 19 - Sat, Apr 25
Multiple Airlines Logo
6:00 am - 9:00 pm
BLI
-
STL
13h 00m
1 stop
Multiple Airlines Logo
8:17 pm - 12:10 pm
STL
-
BLI
17h 53m
2 stops
$503Multiple Airlines
Sun, Apr 19 - Sat, Apr 25
Multiple Airlines Logo
3:00 pm - 11:19 pm
BLI
-
STL
30h 19m
2 stops
Multiple Airlines Logo
4:16 pm - 12:10 pm
STL
-
BLI
21h 54m
1 stop
$523Multiple Airlines
Mon, Apr 20 - Sat, Apr 25
Multiple Airlines Logo
3:00 pm - 11:19 pm
BLI
-
STL
30h 19m
2 stops
Multiple Airlines Logo
4:16 pm - 12:10 pm
STL
-
BLI
21h 54m
1 stop
$524Multiple Airlines
Mon, Apr 20 - Sat, Apr 25

American Airlines flights from Bellingham to St. Louis

Our best American Airlines deals on Bellingham to St. Louis flight tickets
American Airlines
Apr 16
BLI5:20 amBellingham
10h 01m
2 stops
STL5:21 pmLambert-St Louis
Apr 19
STL7:12 amLambert-St Louis
12h 27m
2 stops
BLI5:39 pmBellingham
$646
American Airlines
Apr 19
BLI5:20 amBellingham
9h 21m
2 stops
STL4:41 pmLambert-St Louis
Apr 25
STL7:12 amLambert-St Louis
13h 27m
2 stops
BLI6:39 pmBellingham
$819
American Airlines
Apr 19
BLI5:20 amBellingham
9h 21m
2 stops
STL4:41 pmLambert-St Louis
Apr 25
STL7:05 amLambert-St Louis
13h 34m
2 stops
BLI6:39 pmBellingham
$844

Alaska Airlines flights from Bellingham to St. Louis

Our best Alaska Airlines deals on Bellingham to St. Louis flight tickets
Alaska Airlines
Apr 20
BLI6:19 pmBellingham
27h 40m
1 stop
STL11:59 pmLambert-St Louis
Apr 24
STL4:46 pmLambert-St Louis
24h 35m
2 stops
BLI3:21 pmBellingham
$538
Alaska Airlines
Apr 20
BLI6:19 pmBellingham
27h 40m
1 stop
STL11:59 pmLambert-St Louis
Apr 24
STL4:46 pmLambert-St Louis
27h 53m
1 stop
BLI6:39 pmBellingham
$578
Alaska Airlines
Jun 4
BLI5:53 pmBellingham
20h 44m
2 stops
STL4:37 pmLambert-St Louis
Jun 8
STL7:41 pmLambert-St Louis
6h 26m
1 stop
BLI12:07 amBellingham
$589

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 March 29, 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 - STL

BLISTL

Bellingham

Thu 4/16

6:00 am-9:00 pm

1 stop13h 00m

Lambert-St Louis

Sun 4/19

9:55 pm-9:35 pm

2 stops25h 40m

$442

BellinghamSt. Louis

BLI - STL

BLISTL

Bellingham

Thu 4/23

6:00 am-9:00 pm

1 stop13h 00m

Lambert-St Louis

Thu 4/30

11:21 am-9:10 pm

2 stops35h 49m

$447

BellinghamSt. Louis

BLI - STL

BLISTL

Bellingham

Sun 4/12

6:00 am-11:27 am

1 stop27h 27m

Lambert-St Louis

Thu 4/16

8:06 pm-9:10 pm

2 stops27h 04m

$475

BellinghamSt. Louis

BLI - STL

BLISTL

Bellingham

Thu 4/23

6:00 am-9:00 pm

1 stop13h 00m

Lambert-St Louis

Thu 4/30

9:55 pm-9:10 pm

1 stop25h 15m

$478

BellinghamSt. Louis

BLI - STL

BLISTL

Bellingham

Sun 4/19

6:00 am-9:00 pm

1 stop13h 00m

Lambert-St Louis

Sat 4/25

4:59 pm-9:10 pm

2 stops54h 11m

$485

BellinghamSt. Louis

BLI - STL

BLISTL

Bellingham

Thu 4/16

6:00 am-9:00 pm

1 stop13h 00m

Lambert-St Louis

Sun 4/19

9:55 pm-9:10 pm

1 stop25h 15m

$486
Quickest round-trip

BellinghamSt. Louis

BLI - STL

BLISTL

Bellingham

Sun 4/19

6:00 am-9:00 pm

1 stop13h 00m

Lambert-St Louis

Sat 4/25

8:17 pm-12:10 pm

2 stops17h 53m

$496

BellinghamSt. Louis

BLI - STL

BLISTL

Bellingham

Sun 4/19

6:00 am-9:00 pm

1 stop13h 00m

Lambert-St Louis

Sat 4/25

8:17 pm-12:10 pm

2 stops17h 53m

$503

BellinghamSt. Louis

BLI - STL

BLISTL

Bellingham

Mon 4/20

3:00 pm-11:19 pm

2 stops30h 19m

Lambert-St Louis

Sat 4/25

4:16 pm-12:10 pm

1 stop21h 54m

$523

BellinghamSt. Louis

BLI - STL

BLISTL

Bellingham

Mon 4/20

3:00 pm-11:19 pm

2 stops30h 19m

Lambert-St Louis

Sat 4/25

4:16 pm-12:10 pm

1 stop21h 54m

$524

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

7h 54m

Direct flights

None
The fastest flight from Bellingham to St. Louis takes 7h 54m
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 7h 54m.

  • 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 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.

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

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.

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