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Belize City

$138+ Cheap flights from St. Louis (STL) to Belize City

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 3/18. Fares are subject to change and may not be available on all flights or dates of travel.
STL — TZA
Oct 19 — Oct 261
Sun 10/19
Sun 10/26
1 adult, Economy
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Cheapflights Tip: The best prices from Lambert-St Louis to Belize City are usually found in October or September, booked 41 days in advance, depart on a Monday or Saturday and return on a Wednesday

Cheap flight deals from St. Louis to Belize City

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Belize City (BZ1). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 19, 2025.

Round-trip from

$254
(United Airlines)

One-way from

$138
(Delta)

Popular in

December

Cheapest in

October

Average price

$370
From Lambert-St Louis to Belize City
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One-way flight from Lambert-St Louis to Belize City
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Highest demand for flights based on searches. 3% potential increase in price ($15 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($12 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from St. Louis to Belize City

Cheapest flights from St. Louis to Belize City
Explore the most affordable flight options available from St. Louis to Belize City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 19, 2025.

This United Airlines deal was found by Cheapflights users on 9/16. 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.
Tue 10/216:15 amSTL - BZE
1 stop8h 18mUnited Airlines
Wed 10/2912:18 pmBZE - STL
1 stop9h 04mUnited Airlines
Deal found 9/16$254
This American Airlines deal was found by Cheapflights users on 9/17. 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 10/205:11 amSTL - BZE
1 stop10h 09mAmerican Airlines
Fri 10/2412:50 pmBZE - STL
1 stop28h 39mAmerican Airlines
Deal found 9/17$256
This American Airlines deal was found by Cheapflights users on 9/18. 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.
Sat 10/118:00 pmSTL - BZE
2 stops16h 50mAmerican Airlines
Thu 10/163:30 pmBZE - STL
1 stop7h 26mAmerican Airlines
Deal found 9/18$258
This Delta deal was found by Cheapflights users on 9/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/206:00 amSTL - BZE
1 stop6h 25mDelta
Thu 10/2312:40 pmBZE - STL
1 stop10h 01mDelta
Deal found 9/17$277
This American Airlines deal was found by Cheapflights users on 9/17. 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 10/277:01 amSTL - BZE
1 stop8h 19mAmerican Airlines
Tue 11/41:12 pmBZE - STL
1 stop9h 46mAmerican Airlines
Deal found 9/17$308
This Delta deal was found by Cheapflights users on 9/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/226:00 amSTL - BZE
1 stop6h 25mDelta
Thu 10/2312:40 pmBZE - STL
1 stop10h 01mDelta
Deal found 9/17$316
This American Airlines deal was found by Cheapflights users on 9/17. 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.
Sat 10/188:49 amSTL - BZE
1 stop6h 33mAmerican Airlines
Sat 10/253:30 pmBZE - STL
2 stops23h 33mAmerican Airlines
Deal found 9/17$342
This American Airlines deal was found by Cheapflights users on 9/17. 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.
Sat 10/188:00 pmSTL - BZE
2 stops16h 50mAmerican Airlines
Sun 10/263:30 pmBZE - STL
2 stops17h 54mAmerican Airlines
Deal found 9/17$347
This American Airlines deal was found by Cheapflights users on 9/17. 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.
Thu 10/28:03 pmSTL - BZE
2 stops17h 29mAmerican Airlines
Thu 10/93:30 pmBZE - STL
1 stop7h 26mAmerican Airlines
Deal found 9/17$355
This United Airlines deal was found by Cheapflights users on 9/17. 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.
Tue 10/216:15 amSTL - BZE
1 stop6h 20mUnited Airlines
Fri 10/242:35 pmBZE - STL
1 stop6h 25mUnited Airlines
Deal found 9/17$358

Cheapflights Fare Finder

 
Customize your flight search to find flights from St. Louis to Belize City 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 September 19, 2025.
Use the filters below to find and compare flights from St. Louis to Belize City that are best for you.

Fly from

St. Louis

Fly to

Belize City

Route

Depart

Return

Price

St. LouisBelize City

STL - BZE

STLBZE

Lambert-St Louis

Mon 10/27

5:11 am-2:20 pm

1 stop10h 09m

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

Wed 10/22

6:00 am-11:25 am

1 stop6h 25m

Belize City Philip S.W.Goldson

Fri 10/24

12:40 pm-11:41 pm

1 stop10h 01m

$316

St. LouisBelize City

STL - BZE

STLBZE

Lambert-St Louis

Wed 10/22

6:00 am-11:25 am

1 stop6h 25m

Belize City Philip S.W.Goldson

Thu 10/23

12:40 pm-11:41 pm

1 stop10h 01m

$316

St. LouisBelize City

STL - BZE

STLBZE

Lambert-St Louis

Fri 10/17

8:05 pm-11:50 am

2 stops16h 45m

Belize City Philip S.W.Goldson

Mon 10/27

3:30 pm-12:57 pm

2 stops20h 27m

$342

St. LouisBelize City

STL - BZE

STLBZE

Lambert-St Louis

Sat 10/18

8:00 pm-11:50 am

2 stops16h 50m

Belize City Philip S.W.Goldson

Thu 10/23

12:50 pm-8:09 am

2 stops18h 19m

$342

St. LouisBelize City

STL - BZE

STLBZE

Lambert-St Louis

Sat 10/18

8:49 am-2:22 pm

1 stop6h 33m

Belize City Philip S.W.Goldson

Sat 10/25

3:30 pm-4:03 pm

2 stops23h 33m

$342

St. LouisBelize City

STL - BZE

STLBZE

Lambert-St Louis

Mon 10/20

4:25 pm-12:50 pm

2 stops21h 25m

Belize City Philip S.W.Goldson

Mon 10/27

12:50 pm-11:49 pm

1 stop9h 59m

$342

St. LouisBelize City

STL - BZE

STLBZE

Lambert-St Louis

Tue 10/21

6:15 am-11:35 am

1 stop6h 20m

Belize City Philip S.W.Goldson

Wed 10/22

12:40 pm-9:52 am

1 stop20h 12m

$358

St. LouisBelize City

STL - BZE

STLBZE

Lambert-St Louis

Tue 10/21

6:15 am-11:35 am

1 stop6h 20m

Belize City Philip S.W.Goldson

Fri 10/24

2:35 pm-10:00 pm

1 stop6h 25m

$358

St. LouisBelize City

STL - BZE

STLBZE

Lambert-St Louis

Mon 10/20

5:28 pm-1:33 pm

2 stops21h 05m

Belize City Philip S.W.Goldson

Thu 10/23

12:40 pm-10:00 pm

1 stop8h 20m

$358

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Showing 1-10 of 13 results
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Best time to book a flight from St. Louis to Belize City

Have a flexible travel schedule? Discover the best time to fly to Belize City 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 City

How far ahead should I book a flight from St. Louis to Belize City?

Use this chart to determine the optimal time to book a round-trip flight from St. Louis to Belize City. Price data was last updated on September 12, 2025.

The best time to book flights from St. Louis to Belize City is 41 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, August is the cheapest month in which you can book a flight from St. Louis to Belize City (average of $363). Flying from St. Louis to Belize City in March is currently the most expensive (average of $653). 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.

How much does it cost to fly round-trip from St. Louis to Belize City?

Reviews of airlines servicing Belize City

Get insights into the airlines that provide service to Belize City. 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 City. Reviews last updated September 19, 2025.
Get a feel of what it's like to fly with Southwest, Delta, and United Airlines from St. Louis to Belize City by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Crew

8.6

Overall

8.0

Food

7.0

Boarding

8.1

Entertainment

7.5

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
4,242 reviews
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Crew

8.6

Overall

8.0

Food

7.0

Boarding

8.1

Entertainment

7.5

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
8.0
Very good
7,964 reviews
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Crew

8.6

Overall

8.0

Food

7.0

Boarding

8.1

Entertainment

7.5

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
8,926 reviews
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Crew

8.6

Overall

8.0

Food

7.0

Boarding

8.1

Entertainment

7.5

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
10,000 reviews
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Crew

8.6

Overall

8.0

Food

7.0

Boarding

8.1

Entertainment

7.5

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 City. 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 City?

    Lambert-St Louis (STL), located 12.7 mi from the city center, is the airport you fly out of when you book flights from St. Louis to Belize City. 4 airlines have flights from Lambert-St Louis to Belize City on a regular basis. Booking flights from Lambert-St Louis to Belize City should not be difficult; the airport handles an average of 0 outbound flights to Belize City per day.

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

    There are many flights that can get you from St. Louis to Belize City in 6h 25m. Fly via American Airlines or Delta to get the fastest option. There are 1470 mi between St. Louis and Belize City. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from St. Louis to Belize City round-trip?

    Delta, at $287, was found to be the cheapest airline from St. Louis to Belize City.Alternate airlines to your destination round-trip include United Airlines and American Airlines. Delta is priced at 38% lower than the current average price of a flight leaving 3 months from now.

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

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

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

    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 City.

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

    Yes. Cheapflights offers flight deals from St. Louis to Belize City 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 City?

    Currently, August is the cheapest month in which you can book a flight from St. Louis to Belize City (average of $363). Flying from St. Louis to Belize City in March is currently the most expensive (average of $653). 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

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Alternative routes for St. Louis to Belize City

See prices for flight routes from nearby airports that may be better suited for you.
St. Louis to Philip S.W.Goldson flights
Kansas City to Philip S.W.Goldson flights
Springfield to Philip S.W.Goldson flights

Top 4 airlines flying from St. Louis to Belize City

Discover the top 4 airlines that operate flights from St. Louis to Belize City. 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 September 19, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$287Average$426FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$326Average$488FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$353Average$487FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$463Average$574FlexibilityNo cancel feeOn-time63%

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