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Cheap flights from St. Louis to Belize from $158

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Belize departing on 1/22. 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
0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Southwest Logo
6:00 am - 1:00 pmSTL-BZE
7h 00m1 stop
Southwest Logo
1:55 pm - 8:35 pmBZE-STL
6h 40m1 stop
$336Southwest
Find Deal
Tue, Jan 20 - Tue, Jan 27
American Airlines Logo
6:43 pm - 3:16 pmSTL-BZE
20h 33m2 stops
American Airlines Logo
12:59 pm - 11:12 pmBZE-STL
10h 13m1 stop
$341American Airlines
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Sat, Jan 24 - Thu, Feb 5
American Airlines Logo
11:55 am - 3:16 pmSTL-BZE
27h 21m1 stop
American Airlines Logo
12:59 pm - 11:12 pmBZE-STL
10h 13m1 stop
$343American Airlines
Find Deal
Sat, Jan 24 - Fri, Jan 30
Delta Logo
5:25 pm - 11:51 amSTL-BZE
18h 26m1 stop
Delta Logo
1:40 pm - 11:37 pmBZE-STL
9h 57m1 stop
$345Delta
Find Deal
Tue, Jan 20 - Thu, Jan 29
Delta Logo
5:25 pm - 11:51 amSTL-BZE
18h 26m1 stop
Delta Logo
1:40 pm - 8:37 pmBZE-STL
6h 57m1 stop
$346Delta
Find Deal
Tue, Jan 20 - Fri, Jan 30
Delta Logo
5:25 pm - 11:51 amSTL-BZE
18h 26m1 stop
Delta Logo
1:40 pm - 11:37 pmBZE-STL
9h 57m1 stop
$347Delta
Find Deal
Tue, Jan 20 - Thu, Jan 29
Delta Logo
6:00 am - 12:15 pmSTL-BZE
6h 15m1 stop
Delta Logo
1:40 pm - 8:37 pmBZE-STL
6h 57m1 stop
$348Delta
Find Deal
Tue, Jan 20 - Fri, Jan 30
Delta Logo
5:25 pm - 11:51 amSTL-BZE
18h 26m1 stop
Delta Logo
1:40 pm - 8:37 pmBZE-STL
6h 57m1 stop
$354Delta
Find Deal
Tue, Jan 20 - Wed, Jan 28
American Airlines Logo
6:00 am - 3:16 pmSTL-BZE
9h 16m2 stops
American Airlines Logo
2:27 pm - 9:40 amBZE-STL
19h 13m2 stops
$359American Airlines
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Wed, Jan 21 - Wed, Jan 28
American Airlines Logo
11:55 am - 3:16 pmSTL-BZE
27h 21m1 stop
American Airlines Logo
4:16 pm - 9:08 amBZE-STL
16h 52m1 stop
$362American Airlines
Find Deal
Sat, Jan 24 - Fri, Jan 30

American Airlines flights from St. Louis to Belize

Our best American Airlines deals on St. Louis to Belize flight tickets
American Airlines
Jan 24
STL6:43 pmLambert-St Louis
20h 33m
2 stops
BZE3:16 pmBelize City Philip S.W.Goldson
Feb 5
BZE12:59 pmBelize City Philip S.W.Goldson
10h 13m
1 stop
STL11:12 pmLambert-St Louis
$341
Find similar
American Airlines
Jan 24
STL11:55 amLambert-St Louis
27h 21m
1 stop
BZE3:16 pmBelize City Philip S.W.Goldson
Jan 30
BZE12:59 pmBelize City Philip S.W.Goldson
10h 13m
1 stop
STL11:12 pmLambert-St Louis
$343
Find similar
American Airlines
Jan 21
STL6:00 amLambert-St Louis
9h 16m
2 stops
BZE3:16 pmBelize City Philip S.W.Goldson
Jan 28
BZE2:27 pmBelize City Philip S.W.Goldson
19h 13m
2 stops
STL9:40 amLambert-St Louis
$359
Find similar

Delta flights from St. Louis to Belize

Our best Delta deals on St. Louis to Belize flight tickets
Delta
Jan 20
STL5:25 pmLambert-St Louis
18h 26m
1 stop
BZE11:51 amBelize City Philip S.W.Goldson
Jan 29
BZE1:40 pmBelize City Philip S.W.Goldson
9h 57m
1 stop
STL11:37 pmLambert-St Louis
$345
Find similar
Delta
Jan 20
STL5:25 pmLambert-St Louis
18h 26m
1 stop
BZE11:51 amBelize City Philip S.W.Goldson
Jan 30
BZE1:40 pmBelize City Philip S.W.Goldson
6h 57m
1 stop
STL8:37 pmLambert-St Louis
$346
Find similar
Delta
Jan 20
STL5:25 pmLambert-St Louis
18h 26m
1 stop
BZE11:51 amBelize City Philip S.W.Goldson
Jan 29
BZE1:40 pmBelize City Philip S.W.Goldson
9h 57m
1 stop
STL11:37 pmLambert-St Louis
$347
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from St. Louis to Belize 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 November 26, 2025.
Use the filters below to find and compare flights from St. Louis to Belize that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisBelize City

STL - BZE

STLBZE

Lambert-St Louis

Tue 1/20

6:00 am-1:00 pm

1 stop7h 00m

Belize City Philip S.W.Goldson

Tue 1/27

1:55 pm-8:35 pm

1 stop6h 40m

$336

St. LouisBelize City

STL - BZE

STLBZE

Lambert-St Louis

Sat 1/24

6:43 pm-3:16 pm

2 stops20h 33m

Belize City Philip S.W.Goldson

Thu 2/5

12:59 pm-11:12 pm

1 stop10h 13m

$341

St. LouisBelize City

STL - BZE

STLBZE

Lambert-St Louis

Sat 1/24

11:55 am-3:16 pm

1 stop27h 21m

Belize City Philip S.W.Goldson

Fri 1/30

12:59 pm-11:12 pm

1 stop10h 13m

$343

St. LouisBelize City

STL - BZE

STLBZE

Lambert-St Louis

Tue 1/20

5:25 pm-11:51 am

1 stop18h 26m

Belize City Philip S.W.Goldson

Thu 1/29

1:40 pm-11:37 pm

1 stop9h 57m

$345

St. LouisBelize City

STL - BZE

STLBZE

Lambert-St Louis

Tue 1/20

5:25 pm-11:51 am

1 stop18h 26m

Belize City Philip S.W.Goldson

Fri 1/30

1:40 pm-8:37 pm

1 stop6h 57m

$346

St. LouisBelize City

STL - BZE

STLBZE

Lambert-St Louis

Tue 1/20

5:25 pm-11:51 am

1 stop18h 26m

Belize City Philip S.W.Goldson

Thu 1/29

1:40 pm-11:37 pm

1 stop9h 57m

$347

St. LouisBelize City

STL - BZE

STLBZE

Lambert-St Louis

Tue 1/20

6:00 am-12:15 pm

1 stop6h 15m

Belize City Philip S.W.Goldson

Fri 1/30

1:40 pm-8:37 pm

1 stop6h 57m

$348

St. LouisBelize City

STL - BZE

STLBZE

Lambert-St Louis

Tue 1/20

5:25 pm-11:51 am

1 stop18h 26m

Belize City Philip S.W.Goldson

Wed 1/28

1:40 pm-8:37 pm

1 stop6h 57m

$354

St. LouisBelize City

STL - BZE

STLBZE

Lambert-St Louis

Wed 1/21

6:00 am-3:16 pm

2 stops9h 16m

Belize City Philip S.W.Goldson

Wed 1/28

2:27 pm-9:40 am

2 stops19h 13m

$359

St. LouisBelize City

STL - BZE

STLBZE

Lambert-St Louis

Sat 1/24

11:55 am-3:16 pm

1 stop27h 21m

Belize City Philip S.W.Goldson

Fri 1/30

4:16 pm-9:08 am

1 stop16h 52m

$362

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 resultsSorted by cheapest first
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See travel insights to Belize from

How to get the cheapest flight ticket from St. Louis to Belize

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Belize?

The cheapest month to fly to Belize from St. Louis is in October. Flight prices, which tend to average around $310, are often lower during this time because this is during the off-season. If you aren’t able to travel to Belize during the month of October, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $370.

What is the cheapest day to depart on your flight to Belize?

The cheapest day to depart from St. Louis to Belize is on a Monday when prices can be found for as low as $439. The most expensive day to fly to Belize is Friday, with ticket prices averaging around $637.

What is the cheapest Lambert-St Louis to Belize flight route?

Fly from Lambert-St Louis to Belize City Philip S.W.Goldson for the best Lambert-St Louis - Belize flight prices

How far in advance should I book a flight to Belize?

You are more likely to see cheaper flights to Belize from St. Louis when booking weeks ahead of your departure date. In general, you can expect to find flights to Belize for around $455 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Belize from St. Louis for as low as $416 on momondo.

What cabin class options are available on Lambert-St Louis to Belize flights?

There is only 1 cabin class available to choose from on Lambert-St Louis to Belize flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on St. Louis to Belize flights?

You could potentially save up to 2% on your flight if you consider stops on a St. Louis to Belize flight.

Cheap St. Louis to Belize flight deals and tips

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

Fastest flight time

5h 35m

Direct flights

None
The fastest flight from St. Louis to Belize takes 5h 35m
There are no direct flights from St. Louis to Belize. There are no popular flight routes from St. Louis to Belize.
Search flight deals

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

    Prices for flights from Lambert-St Louis Airport to Belize are refreshed on a daily basis.

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Lambert-St Louis Airport to Belize.

  • What documentation or ID do you need to fly to Belize?

    The travel and health documents required for your trip to Belize can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Belize. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from St. Louis to Belize

Compare and see reviews for airlines that fly from St. Louis to Belize with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $287Free CancellationRating
7.4
9,046 reviews
Search United Airlines flights
DeltaPriceFrom $287Free CancellationRating
7.9
7,999 reviews
Search Delta flights
American AirlinesPriceFrom $348Free CancellationRating
7.2
11,038 reviews
Search American Airlines flights
SouthwestPriceFrom $394Free CancellationRating
8.0
4,254 reviews
Search Southwest flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from St. Louis to Belize for you.

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

momondo does allow users to show only those flights to Belize from St. Louis which offer a flexible booking policy as well as other useful filters and features.

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

momondo provides multiple filters to help you find the best flight to Belize from St. Louis. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Of course. momondo tracks the price of St. Louis to Belize flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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