HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Belize

$132+ Cheap flights from St. Louis (STL) to Belize

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/27. Fares are subject to change and may not be available on all flights or dates of travel.
STL — BZE
Nov 27 — Dec 41
Thu 11/27
Thu 12/4
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from St. Louis to Belize with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from St. Louis to Belize

Keep the following information in mind while searching for St. Louis to Belize flight deals. Data was last updated October 28, 2025.

Round-trip from

$348
(Kiwi.com)

One-way from

$132
(Kiwi.com)

Popular in

December

Cheapest in

October

Average price

$310
From Lambert-St Louis to Belize
Search Deals
One-way flight from Lambert-St Louis to Belize
Search Deals
Highest demand for flights based on searches. 1% potential increase in price ($9 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

Find flight deals from St. Louis to Belize

Cheapest flights from St. Louis to Belize
Explore the most affordable flight options available from St. Louis to Belize. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 28, 2025.

This United Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/16:15 amSTL - BZE
1 stop5h 59mUnited Airlines
Tue 12/163:38 pmBZE - STL
1 stop6h 20mUnited Airlines
Deal found 10/28$362
This American Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/17:58 pmSTL - BZE
2 stops19h 22mAmerican Airlines
Tue 12/164:20 pmBZE - STL
1 stop7h 39mAmerican Airlines
Deal found 10/28$367
This American Airlines deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/266:45 pmSTL - BZE
2 stops17h 25mAmerican Airlines
Wed 12/34:20 pmBZE - STL
2 stops16h 21mAmerican Airlines
Deal found 10/27$387
This American Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/307:58 pmSTL - BZE
2 stops19h 22mAmerican Airlines
Sun 12/72:36 pmBZE - STL
2 stops18h 47mAmerican Airlines
Deal found 10/28$392
This United Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/126:15 amSTL - BZE
1 stop5h 59mUnited Airlines
Fri 12/193:38 pmBZE - STL
1 stop6h 23mUnited Airlines
Deal found 10/28$394
This American Airlines deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/55:14 amSTL - BZE
1 stop9h 53mAmerican Airlines
Mon 12/82:36 pmBZE - STL
1 stop9h 23mAmerican Airlines
Deal found 10/27$402
This American Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/175:37 pmSTL - BZE
2 stops18h 56mAmerican Airlines
Wed 12/311:33 pmBZE - STL
2 stops19h 02mAmerican Airlines
Deal found 10/28$410
This Kiwi.com deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/1410:42 amSTL - BZE
2 stops25h 33mMultiple Airlines
Mon 12/291:10 pmBZE - STL
1 stop21h 46mMultiple Airlines
Deal found 10/27$418
This American Airlines deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/175:37 pmSTL - BZE
2 stops18h 56mAmerican Airlines
Sat 12/203:11 pmBZE - STL
2 stops17h 24mAmerican Airlines
Deal found 10/26$430
This Kiwi.com deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/142:47 pmSTL - BZE
1 stop21h 28mSpirit Airlines
Mon 12/291:10 pmBZE - STL
1 stop21h 46mSpirit Airlines
Deal found 10/28$437

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated October 28, 2025.
Use the filters below to find and compare flights from St. Louis to Belize that are best for you.

Fly from

St. Louis

Fly to

Belize

Route

Depart

Return

Price

St. LouisBelize City

STL - BZE

STLBZE

Lambert-St Louis

Mon 12/1

6:15 am-2:32 pm

1 stop8h 17m

Belize City Philip S.W.Goldson

Tue 12/9

3:38 pm-9:58 pm

1 stop6h 20m

$362

St. LouisBelize City

STL - BZE

STLBZE

Lambert-St Louis

Mon 1/12

6:00 am-12:15 pm

1 stop6h 15m

Belize City Philip S.W.Goldson

Fri 1/23

1:40 pm-8:39 pm

1 stop6h 59m

$362

St. LouisBelize City

STL - BZE

STLBZE

Lambert-St Louis

Tue 3/3

5:05 am-1:48 pm

1 stop8h 43m

Belize City Philip S.W.Goldson

Tue 3/10

3:45 pm-9:25 am

2 stops16h 40m

$367

St. LouisBelize City

STL - BZE

STLBZE

Lambert-St Louis

Fri 1/30

6:44 pm-1:45 pm

2 stops19h 01m

Belize City Philip S.W.Goldson

Tue 2/3

4:16 pm-9:08 am

1 stop16h 52m

$387

St. LouisBelize City

STL - BZE

STLBZE

Lambert-St Louis

Sat 12/6

7:35 pm-3:11 pm

2 stops19h 36m

Belize City Philip S.W.Goldson

Sat 12/13

2:36 pm-8:41 am

2 stops18h 05m

$387

St. LouisBelize City

STL - BZE

STLBZE

Lambert-St Louis

Fri 1/23

5:27 pm-11:51 am

1 stop18h 24m

Belize City Philip S.W.Goldson

Wed 1/28

1:40 pm-11:39 pm

1 stop9h 59m

$422

St. LouisBelize City

STL - BZE

STLBZE

Lambert-St Louis

Fri 3/20

7:05 pm-10:30 am

2 stops16h 25m

Belize City Philip S.W.Goldson

Mon 3/23

3:45 pm-8:09 am

1 stop15h 24m

$430

St. LouisBelize City

STL - BZE

STLBZE

Lambert-St Louis

Thu 1/22

12:20 pm-11:40 am

1 stop23h 20m

Belize City Philip S.W.Goldson

Wed 1/28

11:00 am-4:49 pm

2 stops29h 49m

$445

St. LouisBelize City

STL - BZE

STLBZE

Lambert-St Louis

Tue 11/11

6:00 am-12:28 pm

1 stop6h 28m

Belize City Philip S.W.Goldson

Fri 11/14

1:53 pm-11:44 pm

1 stop9h 51m

$448

St. LouisBelize City

STL - BZE

STLBZE

Lambert-St Louis

Thu 2/12

6:59 pm-1:48 pm

2 stops18h 49m

Belize City Philip S.W.Goldson

Tue 2/17

4:37 pm-1:16 pm

2 stops20h 39m

$450

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/27

Showing 1-10 of 21 results
1
2
3

Best time to book a flight from St. Louis to Belize

Have a flexible travel schedule? Discover the best time to fly to Belize from St. Louis with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from St. Louis to Belize

What is the cheapest month to book a flight from St. Louis to Belize?

Currently, October is the cheapest month in which you can book a flight from St. Louis to Belize (average of $253). Flying from St. Louis to Belize in June is currently the most expensive (average of $416). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Belize

Get insights into the airlines that provide service to Belize. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Belize. Reviews last updated October 28, 2025.
See what other customers who have flown with Southwest, Delta, and United Airlines from St. Louis to Belize have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,240 reviews

Overall

8.0

Food

7.0

Boarding

8.1

Entertainment

7.5

Comfort

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,240 reviews
Southwest
8.0
Very good
4,240 reviews

Overall

8.0

Food

7.0

Boarding

8.1

Entertainment

7.5

Comfort

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Delta
7.9
Good
7,994 reviews
Southwest
8.0
Very good
4,240 reviews

Overall

8.0

Food

7.0

Boarding

8.1

Entertainment

7.5

Comfort

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
United Airlines
7.4
Good
9,001 reviews
Southwest
8.0
Very good
4,240 reviews

Overall

8.0

Food

7.0

Boarding

8.1

Entertainment

7.5

Comfort

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
11,032 reviews
Southwest
8.0
Very good
4,240 reviews

Overall

8.0

Food

7.0

Boarding

8.1

Entertainment

7.5

Comfort

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Belize. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from St. Louis to Belize?

    Most people fly from Lambert-St Louis (STL) if they book a flight from St. Louis to Belize. Lambert-St Louis is conveniently located just 12.7 mi from St. Louis’s city center.

  • How long is the flight from St. Louis to Belize?

    Airlines like United Airlines, Delta, and American Airlines fly from St. Louis to Belize in about 6h 15m. The time it takes to get you to your destination can typically vary by up to 2h 28m. St. Louis and Belize are separated by a distance of 1470 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • Can I find deals for flights from St. Louis to Belize that include hotel bookings?

    Yes. In addition to deals on St. Louis to Belize flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from St. Louis to Belize?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Belize.

  • Can I find deals for business class flights from St. Louis to Belize?

    Yes. Cheapflights offers flight deals from St. Louis to Belize by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from St. Louis to Belize?

    Currently, October is the cheapest month in which you can book a flight from St. Louis to Belize (average of $253). Flying from St. Louis to Belize in June is currently the most expensive (average of $416). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for St. Louis to Belize

See prices for flight routes from nearby airports that may be better suited for you.
Kansas City to San José flights
St. Louis to San José flights
St. Louis to Philip S.W.Goldson flights
St. Louis to Liberia flights
Kansas City to Philip S.W.Goldson flights
Kansas City to Panama City flights
Kansas City to Guatemala City flights
St. Louis to Panama City flights
Kansas City to San Salvador flights
Kansas City to Coxen Hole flights
Kansas City to San Pedro Sula flights
Kansas City to Liberia flights
St. Louis to Guatemala City flights
Springfield to Guatemala City flights
St. Louis to Coxen Hole flights
Springfield to Philip S.W.Goldson flights
Springfield to San José flights
St. Louis to San Pedro Sula flights
St. Louis to Managua flights
Columbia to Liberia flights
Springfield to Panama City flights
Kansas City to Managua flights
Springfield to Coxen Hole flights
Kansas City to Tegucigalpa flights
St. Louis to Tegucigalpa flights

Top 4 airlines flying from St. Louis to Belize

Discover the top 4 airlines that operate flights from St. Louis to Belize. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$287Average$455FlexibilityNo cancel feeOn-time69%
DeltaCheapest$287Average$440FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$348Average$485FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$434Average$574FlexibilityNo cancel feeOn-time63%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.