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$141+ 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 9/28. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — BZE
Jul 9 — Jul 161
Thu 7/9
Thu 7/16
1 adult, Economy
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Cheap 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 June 9, 2026.

This American Airlines deal was found by Cheapflights users on 6/9. 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 9/275:00 am
STL
-
BZE
1 stop8h 22m
American Airlines
Thu 10/83:30 pm
BZE
-
STL
1 stop6h 45m
American Airlines
Deal found 6/9$443
This American Airlines deal was found by Cheapflights users on 6/9. 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 9/263:34 pm
STL
-
BZE
2 stops21h 48m
American Airlines
Tue 10/63:30 pm
BZE
-
STL
1 stop6h 45m
American Airlines
Deal found 6/9$448
This United Airlines deal was found by Cheapflights users on 6/9. 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 9/286:15 am
STL
-
BZE
1 stop6h 00m
United Airlines
Mon 10/52:35 pm
BZE
-
STL
1 stop6h 55m
United Airlines
Deal found 6/9$450
This American Airlines deal was found by Cheapflights users on 6/9. 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 9/305:00 am
STL
-
BZE
1 stop8h 22m
American Airlines
Wed 10/73:30 pm
BZE
-
STL
2 stops23h 00m
American Airlines
Deal found 6/9$453
This American Airlines deal was found by Cheapflights users on 6/9. 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 9/265:10 pm
STL
-
BZE
1 stop20h 12m
American Airlines
Fri 10/22:30 pm
BZE
-
STL
1 stop8h 16m
American Airlines
Deal found 6/9$455
This American Airlines deal was found by Cheapflights users on 6/8. 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 9/285:18 pm
STL
-
BZE
2 stops20h 04m
American Airlines
Mon 10/53:30 pm
BZE
-
STL
1 stop6h 45m
American Airlines
Deal found 6/8$460
This American Airlines deal was found by Cheapflights users on 6/8. 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 9/136:43 pm
STL
-
BZE
2 stops18h 39m
American Airlines
Sun 9/202:30 pm
BZE
-
STL
2 stops17h 59m
American Airlines
Deal found 6/8$465
This United Airlines deal was found by Cheapflights users on 6/8. 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 9/225:00 pm
MLI
-
BZE
2 stops19h 15m
United Airlines
Fri 9/252:35 pm
BZE
-
MLI
2 stops21h 02m
United Airlines
Deal found 6/8$490
This American Airlines deal was found by Cheapflights users on 6/4. 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.
Tue 7/78:41 pm
STL
-
BZE
2 stops16h 45m
American Airlines
Tue 7/143:23 pm
BZE
-
STL
2 stops17h 38m
American Airlines
Deal found 6/4$498
This American Airlines deal was found by Cheapflights users on 6/4. 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 7/257:24 pm
STL
-
BZE
1 stop19h 59m
American Airlines
Fri 7/3111:27 am
BZE
-
STL
2 stops20h 04m
American Airlines
Deal found 6/4$507
This American Airlines deal was found by Cheapflights users on 6/7. 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 7/265:48 pm
STL
-
BZE
2 stops17h 49m
American Airlines
Thu 7/303:23 pm
BZE
-
STL
2 stops18h 12m
American Airlines
Deal found 6/7$508
This Air Canada deal was found by Cheapflights users on 6/7. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/278:00 am
ORD
-
BZE
1 stop8h 45m
Air Canada
Fri 12/45:50 pm
BZE
-
ORD
1 stop17h 08m
Air Canada
Deal found 6/7$527

Find flight deals from Illinois to Belize

Keep the following information in mind while searching for Illinois to Belize flight deals. Data was last updated June 9, 2026.

Round-trip from

$443
(American Airlines)

One-way from

$141
(American Airlines)

Popular in

October

Cheapest in

January

Average price

$725

Good round-trip deal

$1,166 or less
From Illinois to Belize
Search Deals
One-way flight from Illinois to Belize
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($113 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($27 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals
Price to beat on a round-trip flight from Illinois to Belize.
Search Deals

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 June 9, 2026.
Use the filters below to find and compare flights from Illinois to Belize that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MolineBelize City

MLI - BZE

MLIBZE

Moline Quad-City

Tue 9/22

5:00 pm-11:15 am

2 stops19h 15m

Belize City Philip S.W.Goldson

Fri 9/25

2:35 pm-12:37 pm

2 stops21h 02m

$490

St. LouisBelize City

STL - BZE

STLBZE

Lambert-St Louis

Mon 9/28

7:05 am-11:42 am

1 stop5h 37m

Belize City Philip S.W.Goldson

Mon 10/5

12:57 pm-11:36 pm

1 stop9h 39m

$513

St. LouisBelize City

STL - BZE

STLBZE

Lambert-St Louis

Wed 6/24

6:13 pm-12:28 pm

2 stops19h 15m

Belize City Philip S.W.Goldson

Wed 7/1

3:28 pm-1:52 pm

2 stops21h 24m

$546

St. LouisBelize City

STL - BZE

STLBZE

Lambert-St Louis

Tue 9/1

6:15 am-11:15 am

1 stop6h 00m

Belize City Philip S.W.Goldson

Thu 9/3

12:20 pm-8:39 am

2 stops19h 19m

$555

BloomingtonBelize City

BMI - BZE

BMIBZE

Bloomington-Normal

Wed 9/2

6:32 am-2:26 pm

1 stop8h 54m

Belize City Philip S.W.Goldson

Sun 9/6

2:07 pm-10:53 pm

1 stop7h 46m

$563

MolineBelize City

MLI - BZE

MLIBZE

Moline Quad-City

Mon 7/13

6:50 pm-10:37 am

2 stops16h 47m

Belize City Philip S.W.Goldson

Fri 7/17

11:27 am-10:58 am

2 stops22h 31m

$570

St. LouisBelize City

STL - BZE

STLBZE

Lambert-St Louis

Sat 7/11

5:10 am-11:30 am

1 stop7h 20m

Belize City Philip S.W.Goldson

Sat 7/18

1:15 pm-11:50 pm

1 stop9h 35m

$572

ChicagoBelize City

ORD - BZE

ORDBZE

Chicago O'Hare Intl

Thu 8/20

8:02 am-10:17 am

1 stop27h 15m

Belize City Philip S.W.Goldson

Mon 8/24

11:26 am-1:02 am

1 stop12h 36m

$593

ChicagoBelize City

ORD - BZE

ORDBZE

Chicago O'Hare Intl

Tue 7/14

1:20 am-10:17 am

1 stop9h 57m

Belize City Philip S.W.Goldson

Wed 7/22

11:22 am-4:00 am

1 stop15h 38m

$593

MolineBelize City

MLI - BZE

MLIBZE

Moline Quad-City

Mon 11/2

5:55 am-12:42 pm

1 stop6h 47m

Belize City Philip S.W.Goldson

Sat 11/7

1:57 pm-10:30 pm

1 stop8h 33m

$601

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/8

Showing 1-10 of 47 resultsSorted by cheapest first
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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 $296). Flying from Illinois to Belize in October is currently the most expensive (average of $525). 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 far ahead should I book a flight from Illinois to Belize?

Booking 86 days in advance of your planned departure date is, on average, the best time to get cheap flights from Illinois to Belize. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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 5h 37m. Fly via Delta, Air Canada, or United Airlines to get the fastest option. Airlines will cover a distance of 1470 mi. This flight may include one or multiple stops.

  • 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 $296). Flying from Illinois to Belize in October is currently the most expensive (average of $525). 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 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 June 9, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$387Average$680FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$525Average$713FlexibilityNo cancel feeOn-time63%
DeltaCheapest$673Average$895FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$704Average$859FlexibilityNo cancel feeOn-time69%

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