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Cheap flights from St. Louis to Belize from $164

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 3/18. 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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Find the cheapest flights from St. Louis to Belize

Cheap round-trip flights

American Airlines Logo
8:49 am - 2:20 pmSTL-BZE
6h 31m1 stop
American Airlines Logo
3:30 pm - 11:56 pmBZE-STL
7h 26m1 stop
$254American Airlines
Find Deal
Mon, Oct 6 - Thu, Oct 9
American Airlines Logo
8:05 pm - 12:50 pmSTL-BZE
17h 45m2 stops
American Airlines Logo
3:30 pm - 11:56 pmBZE-STL
7h 26m1 stop
$258American Airlines
Find Deal
Mon, Oct 6 - Thu, Oct 9
American Airlines Logo
5:23 am - 12:50 pmSTL-BZE
8h 27m1 stop
American Airlines Logo
1:50 pm - 9:38 amBZE-STL
18h 48m2 stops
$305American Airlines
Find Deal
Tue, Oct 7 - Tue, Oct 21
American Airlines Logo
7:01 am - 2:20 pmSTL-BZE
8h 19m1 stop
American Airlines Logo
1:12 pm - 10:58 pmBZE-STL
9h 46m1 stop
$308American Airlines
Find Deal
Mon, Oct 27 - Tue, Nov 4
United Airlines Logo
6:15 am - 1:33 pmSTL-BZE
8h 18m1 stop
United Airlines Logo
12:40 pm - 10:00 pmBZE-STL
8h 20m1 stop
$351United Airlines
Find Deal
Tue, Oct 7 - Tue, Oct 21
Delta Logo
6:00 am - 12:15 pmSTL-BZE
6h 15m1 stop
Delta Logo
12:40 pm - 11:40 pmBZE-STL
10h 00m1 stop
$362Delta
Find Deal
Tue, Mar 3 - Tue, Mar 10
United Airlines Logo
5:00 am - 1:33 pmSTL-BZE
9h 33m2 stops
United Airlines Logo
2:35 pm - 10:00 pmBZE-STL
6h 25m1 stop
$387United Airlines
Find Deal
Wed, Oct 15 - Sun, Oct 19
United Airlines Logo
6:00 am - 12:14 pmSTL-BZE
6h 14m1 stop
United Airlines Logo
3:00 pm - 10:58 pmBZE-STL
7h 58m1 stop
$402United Airlines
Find Deal
Fri, Jan 23 - Sat, Jan 31
Delta Logo
6:00 am - 12:28 pmSTL-BZE
6h 28m1 stop
Delta Logo
1:53 pm - 9:58 pmBZE-STL
8h 05m1 stop
$422Delta
Find Deal
Wed, Nov 12 - Wed, Nov 26
Delta Logo
6:00 am - 11:25 amSTL-BZE
6h 25m1 stop
Delta Logo
12:40 pm - 11:41 pmBZE-STL
10h 01m1 stop
$506Delta
Find Deal
Thu, Oct 9 - Thu, Oct 16

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 00m
1 stop
STL11:40 pmLambert-St Louis
$362
Find similar
Delta
Nov 12
STL6:00 amLambert-St Louis
6h 28m
1 stop
BZE12:28 pmBelize City Philip S.W.Goldson
Nov 26
BZE1:53 pmBelize City Philip S.W.Goldson
8h 05m
1 stop
STL9:58 pmLambert-St Louis
$422
Find similar
Delta
Oct 2
STL7:10 amLambert-St Louis
5h 31m
1 stop
BZE11:41 amBelize City Philip S.W.Goldson
Oct 9
BZE12:40 pmBelize City Philip S.W.Goldson
10h 01m
1 stop
STL11:41 pmLambert-St Louis
$438
Find similar

American Airlines flights from St. Louis to Belize

Our best American Airlines deals on St. Louis to Belize flight tickets
American Airlines
Oct 6
STL8:49 amLambert-St Louis
6h 31m
1 stop
BZE2:20 pmBelize City Philip S.W.Goldson
Oct 9
BZE3:30 pmBelize City Philip S.W.Goldson
7h 26m
1 stop
STL11:56 pmLambert-St Louis
$254
Find similar
American Airlines
Oct 6
STL8:05 pmLambert-St Louis
17h 45m
2 stops
BZE12:50 pmBelize City Philip S.W.Goldson
Oct 9
BZE3:30 pmBelize City Philip S.W.Goldson
7h 26m
1 stop
STL11:56 pmLambert-St Louis
$258
Find similar
American Airlines
Oct 7
STL5:23 amLambert-St Louis
8h 27m
1 stop
BZE12:50 pmBelize City Philip S.W.Goldson
Oct 21
BZE1:50 pmBelize City Philip S.W.Goldson
18h 48m
2 stops
STL9:38 amLambert-St Louis
$305
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 September 23, 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

Mon 10/6

8:49 am-2:20 pm

1 stop6h 31m

Belize City Philip S.W.Goldson

Thu 10/9

3:30 pm-11:56 pm

1 stop7h 26m

$254

St. LouisBelize City

STL - BZE

STLBZE

Lambert-St Louis

Mon 10/6

8:05 pm-12:50 pm

2 stops17h 45m

Belize City Philip S.W.Goldson

Thu 10/9

3:30 pm-11:56 pm

1 stop7h 26m

$258

St. LouisBelize City

STL - BZE

STLBZE

Lambert-St Louis

Tue 10/7

5:23 am-12:50 pm

1 stop8h 27m

Belize City Philip S.W.Goldson

Tue 10/21

1:50 pm-9:38 am

2 stops18h 48m

$305

St. LouisBelize City

STL - BZE

STLBZE

Lambert-St Louis

Mon 10/27

7:01 am-2:20 pm

1 stop8h 19m

Belize City Philip S.W.Goldson

Tue 11/4

1:12 pm-10:58 pm

1 stop9h 46m

$308

St. LouisBelize City

STL - BZE

STLBZE

Lambert-St Louis

Tue 10/7

6:15 am-1:33 pm

1 stop8h 18m

Belize City Philip S.W.Goldson

Tue 10/21

12:40 pm-10:00 pm

1 stop8h 20m

$351

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-11:40 pm

1 stop10h 00m

$362

St. LouisBelize City

STL - BZE

STLBZE

Lambert-St Louis

Wed 10/15

5:00 am-1:33 pm

2 stops9h 33m

Belize City Philip S.W.Goldson

Sun 10/19

2:35 pm-10:00 pm

1 stop6h 25m

$387

St. LouisBelize City

STL - BZE

STLBZE

Lambert-St Louis

Fri 1/23

6:00 am-12:14 pm

1 stop6h 14m

Belize City Philip S.W.Goldson

Sat 1/31

3:00 pm-10:58 pm

1 stop7h 58m

$402

St. LouisBelize City

STL - BZE

STLBZE

Lambert-St Louis

Wed 11/12

6:00 am-12:28 pm

1 stop6h 28m

Belize City Philip S.W.Goldson

Wed 11/26

1:53 pm-9:58 pm

1 stop8h 05m

$422

St. LouisBelize City

STL - BZE

STLBZE

Lambert-St Louis

Thu 10/9

6:00 am-11:25 am

1 stop6h 25m

Belize City Philip S.W.Goldson

Thu 10/16

12:40 pm-11:41 pm

1 stop10h 01m

$506

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 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 $319, 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 $471 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 $422 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 23% 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

Direct flights

None
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
DeltaPriceFrom $287Free CancellationRating
7.9
7,974 reviews
Search Delta flights
United AirlinesPriceFrom $326Free CancellationRating
7.4
8,926 reviews
Search United Airlines flights
American AirlinesPriceFrom $353Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
SouthwestPriceFrom $434Free CancellationRating
8.0
4,244 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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