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$174+ Cheap flights from Illinois 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 11/16. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — BZE
11월 13 — 11월 201
목 11/13
목 11/20
1 adult, Economy
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Find flight deals from Illinois to Belize

Cheapest flights from Illinois to Belize
Explore the most affordable flight options available from Illinois to Belize. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10월 14, 2025.

This American Airlines deal was found by Cheapflights users on 10/12. 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.
월 10/205:11 amSTL - BZE
1 stop10h 09mAmerican Airlines
금 10/2412:50 pmBZE - STL
1 stop9h 28mAmerican Airlines
Deal found 10/12$256
This American Airlines deal was found by Cheapflights users on 10/14. 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.
월 10/274:25 pmSTL - BZE
2 stops21h 25mAmerican Airlines
화 11/44:20 pmBZE - STL
2 stops18h 19mAmerican Airlines
Deal found 10/14$259
This United Airlines deal was found by Cheapflights users on 10/13. 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.
월 11/36:15 amSTL - BZE
1 stop5h 59mUnited Airlines
토 11/83:38 pmBZE - STL
1 stop6h 44mUnited Airlines
Deal found 10/13$265
This American Airlines deal was found by Cheapflights users on 10/14. 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.
월 11/35:56 pmSTL - BZE
2 stops18h 14mAmerican Airlines
토 11/84:10 pmBZE - STL
2 stops15h 59mAmerican Airlines
Deal found 10/14$270
This Delta deal was found by Cheapflights users on 10/12. 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.
월 10/207:05 amSTL - BZE
1 stop5h 20mDelta
목 10/2312:40 pmBZE - STL
1 stop10h 01mDelta
Deal found 10/12$276
This American Airlines deal was found by Cheapflights users on 10/12. 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.
일 11/305:15 amSTL - BZE
1 stop6h 55mAmerican Airlines
화 12/164:20 pmBZE - STL
1 stop7h 39mAmerican Airlines
Deal found 10/12$308
This American Airlines deal was found by Cheapflights users on 10/12. 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.
일 10/197:16 amSTL - BZE
2 stops29h 34mAmerican Airlines
금 10/243:30 pmBZE - STL
1 stop7h 26mAmerican Airlines
Deal found 10/12$328
This American Airlines deal was found by Cheapflights users on 10/12. 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.
월 10/208:05 pmSTL - BZE
2 stops17h 45mAmerican Airlines
일 10/2612:50 pmBZE - STL
2 stops18h 19mAmerican Airlines
Deal found 10/12$333
This Orbitz deal was found by Cheapflights users on 10/12. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
토 12/65:05 amORD - BZE
1 stop7h 05mSpirit Airlines
토 12/131:05 pmBZE - ORD
1 stop11h 14mSpirit Airlines
Deal found 10/12$343
This United Airlines deal was found by Cheapflights users on 10/12. 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.
월 10/206:15 amSTL - BZE
1 stop6h 20mUnited Airlines
화 10/212:35 pmBZE - STL
1 stop18h 17mUnited Airlines
Deal found 10/12$356
This Delta deal was found by Cheapflights users on 10/12. 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.
월 12/86:00 amSTL - BZE
1 stop6h 40mDelta
화 12/162:05 pmBZE - STL
1 stop7h 52mDelta
Deal found 10/12$362
This Kiwi.com deal was found by Cheapflights users on 10/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
토 12/135:05 amORD - BZE
1 stop7h 05mSpirit Airlines
월 12/151:05 pmBZE - ORD
1 stop22h 09mSpirit Airlines
Deal found 10/11$379

Cheap flight deals from Illinois to Belize

Keep the following information in mind while searching for Illinois to Belize flight deals. Data was last updated 10월 14, 2025.

Round-trip from

$259
(American Airlines)

One-way from

$174
(Priceline)

Popular in

October

Cheapest in

June

Average price

$1,130

Good round-trip deal

$799 or less
From Illinois to Belize
Search Deals
One-way flight from Illinois to Belize
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($92 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($32 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
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Price to beat on a round-trip flight from Illinois to Belize.
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Illinois 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 10월 14, 2025.
Use the filters below to find and compare flights from Illinois to Belize that are best for you.

Fly from

Illinois

Fly to

Belize

Route

Depart

Return

Price

St. LouisBelize City

STL - BZE

STLBZE

Lambert-St Louis

월 10/27

4:25 pm-12:50 pm

2 stops21h 25m

Belize City Philip S.W.Goldson

화 11/4

4:20 pm-10:39 am

2 stops18h 19m

$259

St. LouisBelize City

STL - BZE

STLBZE

Lambert-St Louis

월 11/3

5:17 am-3:04 pm

1 stop9h 47m

Belize City Philip S.W.Goldson

토 11/8

4:10 pm-8:27 am

1 stop16h 17m

$265

St. LouisBelize City

STL - BZE

STLBZE

Lambert-St Louis

수 12/3

6:15 am-12:14 pm

1 stop5h 59m

Belize City Philip S.W.Goldson

수 12/17

1:18 pm-9:58 pm

1 stop8h 40m

$362

St. LouisBelize City

STL - BZE

STLBZE

Lambert-St Louis

화 3/3

6:00 am-12:15 pm

1 stop6h 15m

Belize City Philip S.W.Goldson

화 3/10

12:40 pm-8:39 pm

1 stop6h 59m

$362

St. LouisBelize City

STL - BZE

STLBZE

Lambert-St Louis

일 11/30

7:05 am-12:28 pm

1 stop5h 23m

Belize City Philip S.W.Goldson

수 12/17

2:05 pm-9:57 pm

1 stop7h 52m

$362

St. LouisBelize City

STL - BZE

STLBZE

Lambert-St Louis

수 12/3

5:10 am-12:11 pm

1 stop7h 01m

Belize City Philip S.W.Goldson

수 12/17

4:20 pm-10:56 am

2 stops18h 36m

$367

St. LouisBelize City

STL - BZE

STLBZE

Lambert-St Louis

화 3/3

4:44 pm-11:15 am

2 stops18h 31m

Belize City Philip S.W.Goldson

화 3/10

3:45 pm-8:48 am

2 stops16h 03m

$367

St. LouisBelize City

STL - BZE

STLBZE

Lambert-St Louis

월 11/3

6:43 pm-2:32 pm

2 stops19h 49m

Belize City Philip S.W.Goldson

금 11/7

3:38 pm-10:51 am

2 stops19h 13m

$369

ChicagoBelize City

ORD - BZE

ORDBZE

Chicago O'Hare Intl

월 11/10

7:07 pm-12:10 pm

1 stop17h 03m

Belize City Philip S.W.Goldson

월 11/17

1:12 pm-10:20 pm

1 stop9h 08m

$532

BloomingtonBelize City

BMI - BZE

BMIBZE

Bloomington-Normal

토 12/13

3:30 pm-3:11 pm

1 stop23h 41m

Belize City Philip S.W.Goldson

목 12/18

1:33 pm-9:58 pm

1 stop8h 25m

$534

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/13

Showing 1-10 of 51 results
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Best time to book a flight from Illinois to Belize

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

What is the cheapest month to book a flight from Illinois to Belize?

Currently, February is the cheapest month in which you can book a flight from Illinois to Belize (average of $457). Flying from Illinois to Belize in July is currently the most expensive (average of $688). 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.

Related info for your journey

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

  • How long is the flight from Illinois to Belize?

    There are many flights that can get you from Illinois to Belize in 8h 50m. Fly via American Airlines, Alaska Airlines, or Southwest to get the fastest option. Airlines will cover a distance of 1675 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Illinois to Belize one-way?

    To fly one-way, consider booking your trip with JetBlue, which is currently one of the cheapest options available, starting at $174. American Airlines flights start at $219 while deals on Southwest start at $239 one-way.

  • Can I find deals for flights from Illinois to Belize that include hotel bookings?

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

  • How can I find direct flights from Illinois to Belize?

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

  • Can I find deals for business class flights from Illinois to Belize?

    Yes. Cheapflights offers flight deals from Illinois 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 Illinois to Belize?

    Currently, February is the cheapest month in which you can book a flight from Illinois to Belize (average of $457). Flying from Illinois to Belize in July is currently the most expensive (average of $688). 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 Illinois to Belize

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Illinois to Belize

Discover the top 4 airlines that operate flights from Illinois 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 10월 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$329Average$698FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$345Average$791FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$570Average$698FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$724Average$985FlexibilityNo cancel feeOn-time69%

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