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Cheap flights from St. Louis to Belize from $341

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Belize departing on 3/3. 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.
Delta Logo
6:00 am - 12:15 pm
STL
-
BZE
6h 15m
1 stop
Delta Logo
12:40 pm - 11:58 pm
BZE
-
STL
10h 18m
1 stop
$341Delta
Tue, Mar 3 - Tue, Mar 10
American Airlines Logo
6:18 pm - 1:50 pm
STL
-
BZE
19h 32m
2 stops
American Airlines Logo
1:50 pm - 8:35 am
BZE
-
STL
17h 45m
2 stops
$346American Airlines
Tue, Mar 3 - Tue, Mar 10
American Airlines Logo
5:14 am - 12:18 pm
STL
-
BZE
7h 04m
1 stop
American Airlines Logo
4:39 pm - 11:56 pm
BZE
-
STL
7h 17m
1 stop
$382American Airlines
Mon, Feb 16 - Mon, Feb 23
American Airlines Logo
5:14 am - 12:18 pm
STL
-
BZE
7h 04m
1 stop
American Airlines Logo
2:50 pm - 8:55 am
BZE
-
STL
18h 05m
2 stops
$387American Airlines
Mon, Feb 16 - Mon, Feb 23
American Airlines Logo
7:00 am - 3:37 pm
STL
-
BZE
8h 37m
1 stop
American Airlines Logo
1:50 pm - 8:35 am
BZE
-
STL
17h 45m
2 stops
$392American Airlines
Sun, Mar 1 - Sun, Mar 8
American Airlines Logo
5:14 am - 12:18 pm
STL
-
BZE
7h 04m
1 stop
American Airlines Logo
4:39 pm - 10:32 am
BZE
-
STL
17h 53m
1 stop
$393American Airlines
Tue, Feb 24 - Sat, Feb 28
American Airlines Logo
5:14 am - 12:18 pm
STL
-
BZE
7h 04m
1 stop
American Airlines Logo
11:41 am - 8:35 am
BZE
-
STL
19h 54m
1 stop
$396American Airlines
Sun, Mar 1 - Sun, Mar 8
American Airlines Logo
5:14 am - 12:18 pm
STL
-
BZE
7h 04m
1 stop
American Airlines Logo
4:39 pm - 11:56 pm
BZE
-
STL
7h 17m
1 stop
$405American Airlines
Mon, Feb 23 - Mon, Mar 2
American Airlines Logo
6:57 pm - 10:41 am
STL
-
BZE
16h 44m
1 stop
American Airlines Logo
1:50 pm - 8:35 am
BZE
-
STL
17h 45m
2 stops
$408American Airlines
Sat, Mar 21 - Sat, Mar 28
Delta Logo
6:00 am - 11:14 am
STL
-
BZE
6h 14m
1 stop
Delta Logo
12:35 pm - 11:38 pm
BZE
-
STL
10h 03m
1 stop
$426Delta
Wed, May 27 - Wed, Jun 3

American Airlines flights from St. Louis to Belize

Our best American Airlines deals on St. Louis to Belize flight tickets
American Airlines
Mar 3
STL6:18 pmLambert-St Louis
19h 32m
2 stops
BZE1:50 pmBelize City Philip S.W.Goldson
Mar 10
BZE12:31 pmBelize City Philip S.W.Goldson
9h 51m
1 stop
STL11:22 pmLambert-St Louis
$346
American Airlines
Feb 16
STL5:14 amLambert-St Louis
7h 04m
1 stop
BZE12:18 pmBelize City Philip S.W.Goldson
Feb 23
BZE4:39 pmBelize City Philip S.W.Goldson
7h 17m
1 stop
STL11:56 pmLambert-St Louis
$382
American Airlines
Feb 16
STL6:18 pmLambert-St Louis
18h 00m
2 stops
BZE12:18 pmBelize City Philip S.W.Goldson
Feb 23
BZE2:50 pmBelize City Philip S.W.Goldson
18h 50m
2 stops
STL9:40 amLambert-St Louis
$387

Delta flights from St. Louis to Belize

Our best Delta deals on St. Louis to Belize flight tickets
Delta
Mar 3
STL6:00 amLambert-St Louis
6h 15m
1 stop
BZE12:15 pmBelize City Philip S.W.Goldson
Mar 10
BZE12:40 pmBelize City Philip S.W.Goldson
10h 18m
1 stop
STL11:58 pmLambert-St Louis
$341
Delta
Jan 28
STL6:00 amLambert-St Louis
6h 15m
1 stop
BZE12:15 pmBelize City Philip S.W.Goldson
Feb 12
BZE1:40 pmBelize City Philip S.W.Goldson
9h 56m
1 stop
STL11:36 pmLambert-St Louis
$415
Delta
May 27
STL6:00 amLambert-St Louis
6h 14m
1 stop
BZE11:14 amBelize City Philip S.W.Goldson
Jun 3
BZE12:35 pmBelize City Philip S.W.Goldson
10h 03m
1 stop
STL11:38 pmLambert-St Louis
$426

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 January 20, 2026.
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 3/3

6:00 am-12:15 pm

1 stop6h 15m

Belize City Philip S.W.Goldson

Tue 3/10

12:40 pm-11:58 pm

1 stop10h 18m

$341

St. LouisBelize City

STL - BZE

STLBZE

Lambert-St Louis

Tue 3/3

6:18 pm-1:50 pm

2 stops19h 32m

Belize City Philip S.W.Goldson

Tue 3/10

1:50 pm-8:35 am

2 stops17h 45m

$346

St. LouisBelize City

STL - BZE

STLBZE

Lambert-St Louis

Mon 2/16

5:14 am-12:18 pm

1 stop7h 04m

Belize City Philip S.W.Goldson

Mon 2/23

4:39 pm-11:56 pm

1 stop7h 17m

$382

St. LouisBelize City

STL - BZE

STLBZE

Lambert-St Louis

Mon 2/16

5:14 am-12:18 pm

1 stop7h 04m

Belize City Philip S.W.Goldson

Mon 2/23

2:50 pm-8:55 am

2 stops18h 05m

$387

St. LouisBelize City

STL - BZE

STLBZE

Lambert-St Louis

Sun 3/1

7:00 am-3:37 pm

1 stop8h 37m

Belize City Philip S.W.Goldson

Sun 3/8

1:50 pm-8:35 am

2 stops17h 45m

$392

St. LouisBelize City

STL - BZE

STLBZE

Lambert-St Louis

Tue 2/24

5:14 am-12:18 pm

1 stop7h 04m

Belize City Philip S.W.Goldson

Sat 2/28

4:39 pm-10:32 am

1 stop17h 53m

$393

St. LouisBelize City

STL - BZE

STLBZE

Lambert-St Louis

Sun 3/1

5:14 am-12:18 pm

1 stop7h 04m

Belize City Philip S.W.Goldson

Sun 3/8

11:41 am-8:35 am

1 stop19h 54m

$396

St. LouisBelize City

STL - BZE

STLBZE

Lambert-St Louis

Mon 2/23

5:14 am-12:18 pm

1 stop7h 04m

Belize City Philip S.W.Goldson

Mon 3/2

4:39 pm-11:56 pm

1 stop7h 17m

$405

St. LouisBelize City

STL - BZE

STLBZE

Lambert-St Louis

Sat 3/21

6:57 pm-10:41 am

1 stop16h 44m

Belize City Philip S.W.Goldson

Sat 3/28

1:50 pm-8:35 am

2 stops17h 45m

$408

St. LouisBelize City

STL - BZE

STLBZE

Lambert-St Louis

Wed 5/27

6:00 am-11:14 am

1 stop6h 14m

Belize City Philip S.W.Goldson

Wed 6/3

12:35 pm-11:38 pm

1 stop10h 03m

$426

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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 $389.

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 $443 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 $385 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.

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 24m

Direct flights

None
The fastest flight from St. Louis to Belize takes 5h 24m
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
9,180 reviews
Search United Airlines flights
DeltaPriceFrom $287Free CancellationRating
7.9
8,076 reviews
Search Delta flights
American AirlinesPriceFrom $348Free CancellationRating
7.2
11,164 reviews
Search American Airlines flights
SouthwestPriceFrom $394Free CancellationRating
8.0
4,267 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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