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Cheap flights from St. Louis to Belize from $247

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 7/6. 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

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from St. Louis to Belize

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
3:25 pm - 12:32 pm
STL
-
BZE
22h 07m
2 stops
American Airlines Logo
3:29 pm - 12:54 pm
BZE
-
STL
20h 25m
2 stops
$498American Airlines
Tue, Aug 11 - Tue, Aug 18
American Airlines Logo
5:42 am - 2:26 pm
STL
-
BZE
9h 44m
1 stop
American Airlines Logo
3:29 pm - 12:54 pm
BZE
-
STL
20h 25m
2 stops
$510American Airlines
Tue, Aug 11 - Tue, Aug 18
American Airlines Logo
5:00 am - 12:22 pm
STL
-
BZE
8h 22m
1 stop
American Airlines Logo
2:30 pm - 1:23 pm
BZE
-
STL
21h 53m
1 stop
$511American Airlines
Wed, Sep 9 - Wed, Sep 16
American Airlines Logo
5:18 am - 12:26 pm
STL
-
BZE
8h 08m
1 stop
American Airlines Logo
12:10 pm - 10:40 pm
BZE
-
STL
9h 30m
1 stop
$513American Airlines
Fri, Jul 31 - Thu, Aug 6
American Airlines Logo
8:06 pm - 12:26 pm
STL
-
BZE
17h 20m
2 stops
American Airlines Logo
3:23 pm - 10:35 am
BZE
-
STL
18h 12m
2 stops
$518American Airlines
Sat, Jul 11 - Sat, Jul 18
American Airlines Logo
5:13 pm - 12:22 pm
STL
-
BZE
20h 09m
2 stops
American Airlines Logo
2:30 pm - 10:20 am
BZE
-
STL
18h 50m
2 stops
$523American Airlines
Wed, Sep 9 - Wed, Sep 16
American Airlines Logo
7:24 pm - 2:23 pm
STL
-
BZE
19h 59m
1 stop
American Airlines Logo
3:23 pm - 10:35 am
BZE
-
STL
18h 12m
2 stops
$527American Airlines
Sat, Jul 25 - Sat, Aug 1
American Airlines Logo
7:22 pm - 2:23 pm
STL
-
BZE
20h 01m
1 stop
American Airlines Logo
3:23 pm - 10:35 am
BZE
-
STL
18h 12m
2 stops
$528American Airlines
Fri, Jul 24 - Thu, Jul 30
American Airlines Logo
6:19 pm - 12:26 pm
STL
-
BZE
19h 07m
1 stop
American Airlines Logo
3:23 pm - 10:35 am
BZE
-
STL
18h 12m
2 stops
$530American Airlines
Sat, Jul 11 - Sat, Jul 18
American Airlines Logo
5:19 pm - 10:37 am
STL
-
BZE
18h 18m
2 stops
American Airlines Logo
3:23 pm - 10:35 am
BZE
-
STL
18h 12m
2 stops
$538American Airlines
Sat, Jul 25 - Sat, Aug 1

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American Airlines flights from St. Louis to Belize

Our best American Airlines deals on St. Louis to Belize flight tickets
American Airlines
Aug 11
STL3:25 pmLambert-St Louis
22h 07m
2 stops
BZE12:32 pmBelize City Philip S.W.Goldson
Aug 18
BZE3:29 pmBelize City Philip S.W.Goldson
20h 25m
2 stops
STL12:54 pmLambert-St Louis
$498
American Airlines
Aug 11
STL5:42 amLambert-St Louis
9h 44m
1 stop
BZE2:26 pmBelize City Philip S.W.Goldson
Aug 18
BZE3:29 pmBelize City Philip S.W.Goldson
20h 25m
2 stops
STL12:54 pmLambert-St Louis
$510
American Airlines
Sep 9
STL5:00 amLambert-St Louis
8h 22m
1 stop
BZE12:22 pmBelize City Philip S.W.Goldson
Sep 16
BZE2:30 pmBelize City Philip S.W.Goldson
21h 53m
1 stop
STL1:23 pmLambert-St Louis
$511

United Airlines flights from St. Louis to Belize

Our best United Airlines deals on St. Louis to Belize flight tickets
United Airlines
Jul 4
STL6:14 amLambert-St Louis
6h 01m
1 stop
BZE11:15 amBelize City Philip S.W.Goldson
Jul 7
BZE2:35 pmBelize City Philip S.W.Goldson
18h 59m
2 stops
STL10:34 amLambert-St Louis
$541
United Airlines
Jul 4
STL5:10 amLambert-St Louis
9h 48m
1 stop
BZE1:58 pmBelize City Philip S.W.Goldson
Jul 7
BZE12:20 pmBelize City Philip S.W.Goldson
9h 21m
1 stop
STL10:41 pmLambert-St Louis
$607
United Airlines
Aug 23
STL8:50 amLambert-St Louis
27h 25m
2 stops
BZE11:15 amBelize City Philip S.W.Goldson
Aug 26
BZE12:20 pmBelize City Philip S.W.Goldson
22h 42m
2 stops
STL12:02 pmLambert-St Louis
$618

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 June 17, 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

Cheapest round-trip

St. LouisBelize City

STL - BZE

STLBZE

Lambert-St Louis

Tue 8/11

3:25 pm-12:32 pm

2 stops22h 07m

Belize City Philip S.W.Goldson

Tue 8/18

3:29 pm-12:54 pm

2 stops20h 25m

$498

St. LouisBelize City

STL - BZE

STLBZE

Lambert-St Louis

Tue 8/11

5:42 am-2:26 pm

1 stop9h 44m

Belize City Philip S.W.Goldson

Tue 8/18

3:29 pm-12:54 pm

2 stops20h 25m

$510

St. LouisBelize City

STL - BZE

STLBZE

Lambert-St Louis

Wed 9/9

5:00 am-12:22 pm

1 stop8h 22m

Belize City Philip S.W.Goldson

Wed 9/16

2:30 pm-1:23 pm

1 stop21h 53m

$511
Quickest round-trip

St. LouisBelize City

STL - BZE

STLBZE

Lambert-St Louis

Fri 7/31

5:18 am-12:26 pm

1 stop8h 08m

Belize City Philip S.W.Goldson

Thu 8/6

12:10 pm-10:40 pm

1 stop9h 30m

$513

St. LouisBelize City

STL - BZE

STLBZE

Lambert-St Louis

Sat 7/11

8:06 pm-12:26 pm

2 stops17h 20m

Belize City Philip S.W.Goldson

Sat 7/18

3:23 pm-10:35 am

2 stops18h 12m

$518

St. LouisBelize City

STL - BZE

STLBZE

Lambert-St Louis

Wed 9/9

5:13 pm-12:22 pm

2 stops20h 09m

Belize City Philip S.W.Goldson

Wed 9/16

2:30 pm-10:20 am

2 stops18h 50m

$523

St. LouisBelize City

STL - BZE

STLBZE

Lambert-St Louis

Sat 7/25

7:24 pm-2:23 pm

1 stop19h 59m

Belize City Philip S.W.Goldson

Sat 8/1

3:23 pm-10:35 am

2 stops18h 12m

$527

St. LouisBelize City

STL - BZE

STLBZE

Lambert-St Louis

Fri 7/24

7:22 pm-2:23 pm

1 stop20h 01m

Belize City Philip S.W.Goldson

Thu 7/30

3:23 pm-10:35 am

2 stops18h 12m

$528

St. LouisBelize City

STL - BZE

STLBZE

Lambert-St Louis

Sat 7/11

6:19 pm-12:26 pm

1 stop19h 07m

Belize City Philip S.W.Goldson

Sat 7/18

3:23 pm-10:35 am

2 stops18h 12m

$530

St. LouisBelize City

STL - BZE

STLBZE

Lambert-St Louis

Sat 7/25

5:19 pm-10:37 am

2 stops18h 18m

Belize City Philip S.W.Goldson

Sat 8/1

3:23 pm-10:35 am

2 stops18h 12m

$538

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 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 March. Flight prices, which tend to average around $128, 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 March, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $253.

How far in advance should I book a flight from St. Louis 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 $491 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 $357 on momondo.

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

You could potentially save up to 30% 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 58m

Direct flights

None
The fastest flight from St. Louis to Belize takes 5h 58m
There are no direct flights from St. Louis to Belize. There are no popular flight routes from St. Louis to Belize.
Search flight deals

Frequently asked questions about flying from St. Louis to Belize

  • 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 $265Free CancellationRating
7.4
9,845 reviews
Search United Airlines flights
DeltaPriceFrom $287Free CancellationRating
7.8
8,406 reviews
Search Delta flights
American AirlinesPriceFrom $342Free CancellationRating
7.1
11,670 reviews
Search American Airlines flights
SouthwestPriceFrom $382Free CancellationRating
7.9
4,235 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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