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Belize City

$160+ 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 1/15. Fares are subject to change and may not be available on all flights or dates of travel.
STL — TZA
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
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 29 days in advance, depart on a Monday or Saturday and return on a Wednesday

Cheap 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 December 12, 2025.

This Delta deal was found by Cheapflights users on 12/10. 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 12/177:05 amSTL - BZE
1 stop5h 35mDelta
Tue 12/231:34 pmBZE - STL
1 stop10h 08mDelta
Deal found 12/10$465
This American Airlines deal was found by Cheapflights users on 12/11. 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 12/228:01 pmSTL - BZE
2 stops19h 28mAmerican Airlines
Mon 12/291:33 pmBZE - STL
1 stop9h 23mAmerican Airlines
Deal found 12/11$470
This American Airlines deal was found by Cheapflights users on 12/11. 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 12/175:54 pmSTL - BZE
2 stops20h 17mAmerican Airlines
Tue 12/233:11 pmBZE - STL
1 stop7h 24mAmerican Airlines
Deal found 12/11$487
This American Airlines deal was found by Cheapflights users on 12/11. 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 12/242:04 pmSTL - BZE
2 stops25h 25mAmerican Airlines
Mon 1/122:27 pmBZE - STL
2 stops20h 36mAmerican Airlines
Deal found 12/11$503
This American Airlines deal was found by Cheapflights users on 12/11. 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 12/285:16 amSTL - BZE
1 stop10h 13mAmerican Airlines
Tue 1/134:16 pmBZE - STL
1 stop16h 52mAmerican Airlines
Deal found 12/11$555
This American Airlines deal was found by Cheapflights users on 12/10. 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 12/196:35 pmSTL - BZE
2 stops17h 57mAmerican Airlines
Fri 12/261:33 pmBZE - STL
2 stops19h 02mAmerican Airlines
Deal found 12/10$558
This United Airlines deal was found by Cheapflights users on 12/10. 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 12/236:00 amSTL - BZE
1 stop6h 14mUnited Airlines
Tue 12/301:18 pmBZE - STL
1 stop8h 37mUnited Airlines
Deal found 12/10$575

Find 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 December 12, 2025.

Round-trip from

$339
(American Airlines)

One-way from

$160
(American Airlines)

Popular in

June

Cheapest in

October

Average price

$492
From Lambert-St Louis to Belize City
Search Deals
One-way flight from Lambert-St Louis to Belize City
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($35 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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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 December 12, 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

Sat 1/24

3:54 pm-12:22 pm

2 stops20h 28m

Belize City Philip S.W.Goldson

Thu 2/5

2:27 pm-8:51 am

2 stops18h 24m

$339

St. LouisBelize City

STL - BZE

STLBZE

Lambert-St Louis

Sat 1/24

5:04 pm-3:16 pm

1 stop22h 12m

Belize City Philip S.W.Goldson

Fri 1/30

12:59 pm-11:12 pm

1 stop10h 13m

$341

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

1:50 pm-9:51 pm

1 stop7h 01m

$362

St. LouisBelize City

STL - BZE

STLBZE

Lambert-St Louis

Fri 1/23

11:55 am-3:16 pm

1 stop27h 21m

Belize City Philip S.W.Goldson

Fri 1/30

12:59 pm-11:12 pm

1 stop10h 13m

$372

St. LouisBelize City

STL - BZE

STLBZE

Lambert-St Louis

Thu 2/19

6:58 pm-1:48 pm

2 stops18h 50m

Belize City Philip S.W.Goldson

Mon 2/23

2:48 pm-8:52 am

2 stops18h 04m

$399

St. LouisBelize City

STL - BZE

STLBZE

Lambert-St Louis

Fri 1/23

5:59 pm-11:49 am

2 stops17h 50m

Belize City Philip S.W.Goldson

Sat 1/31

4:16 pm-9:40 am

2 stops17h 24m

$399

St. LouisBelize City

STL - BZE

STLBZE

Lambert-St Louis

Thu 1/15

3:54 pm-12:22 pm

2 stops20h 28m

$160

St. LouisBelize City

STL - BZE

STLBZE

Lambert-St Louis

Thu 1/15

9:50 am-12:28 pm

3 stops26h 38m

$211

St. LouisBelize City

STL - BZE

STLBZE

Lambert-St Louis

Fri 3/27

6:20 pm-12:50 pm

1 stop19h 30m

$240

St. LouisBelize City

STL - BZE

STLBZE

Lambert-St Louis

Fri 3/27

9:50 am-1:04 pm

3 stops28h 14m

$347

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

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 December 5, 2025.

The best time to book flights from St. Louis to Belize City is 21 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, October is the cheapest month in which you can book a flight from St. Louis to Belize City (average of $253). Flying from St. Louis to Belize City in June is currently the most expensive (average of $389). 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 December 12, 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
7.9
Good
4,253 reviews

Food

7.0

Comfort

8.0

Crew

8.6

Entertainment

7.5

Overall

7.9

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Southwest
7.9
Good
4,253 reviews
Southwest
7.9
Good
4,253 reviews

Food

7.0

Comfort

8.0

Crew

8.6

Entertainment

7.5

Overall

7.9

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Delta
7.9
Good
8,008 reviews
Southwest
7.9
Good
4,253 reviews

Food

7.0

Comfort

8.0

Crew

8.6

Entertainment

7.5

Overall

7.9

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
United Airlines
7.4
Good
9,095 reviews
Southwest
7.9
Good
4,253 reviews

Food

7.0

Comfort

8.0

Crew

8.6

Entertainment

7.5

Overall

7.9

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
American Airlines
7.2
Good
11,050 reviews
Southwest
7.9
Good
4,253 reviews

Food

7.0

Comfort

8.0

Crew

8.6

Entertainment

7.5

Overall

7.9

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

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 20h 28m. Fly via American Airlines to get the fastest option. There are 1470 mi between St. Louis and Belize City.

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

    United Airlines, at $287, was found to be the cheapest airline from St. Louis to Belize City.Alternate airlines to your destination round-trip include Delta and American Airlines. United Airlines is priced at 36% 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, October is the cheapest month in which you can book a flight from St. Louis to Belize City (average of $253). Flying from St. Louis to Belize City in June is currently the most expensive (average of $389). 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

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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.
Kansas City to Philip S.W.Goldson flights
St. Louis 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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$287Average$449FlexibilityNo cancel feeOn-time69%
DeltaCheapest$287Average$419FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$346Average$475FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$394Average$519FlexibilityNo cancel feeOn-time63%

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