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$399+ Cheap flights from Beaumont (BPT) to Illinois

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/14. Fares are subject to change and may not be available on all flights or dates of travel.
BPT — ORD
May 2 — May 91
Sat 5/2
Sat 5/9
1 adult, Economy
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Cheap flight deals from Beaumont to Illinois

Cheapest flights from Beaumont to Illinois
Explore the most affordable flight options available from Beaumont to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 2, 2026.

This American Airlines deal was found by Cheapflights users on 3/30. 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 5/142:19 pm
BPT
-
STL
1 stop5h 11m
American Airlines
Tue 5/197:12 am
STL
-
BPT
1 stop6h 37m
American Airlines
Deal found 3/30$399
This American Airlines deal was found by Cheapflights users on 3/27. 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 5/293:19 pm
BPT
-
STL
1 stop6h 23m
American Airlines
Sat 5/308:36 am
STL
-
BPT
1 stop6h 13m
American Airlines
Deal found 3/27$424
This American Airlines deal was found by Cheapflights users on 3/30. 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 5/132:19 pm
BPT
-
STL
1 stop5h 11m
American Airlines
Tue 5/197:12 am
STL
-
BPT
1 stop6h 37m
American Airlines
Deal found 3/30$566
This American Airlines deal was found by Cheapflights users on 3/30. 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 5/132:19 pm
BPT
-
STL
2 stops8h 00m
American Airlines
Wed 5/207:12 am
STL
-
BPT
1 stop6h 37m
American Airlines
Deal found 3/30$572
This American Airlines deal was found by Cheapflights users on 3/30. 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 5/156:00 am
BPT
-
STL
1 stop5h 27m
American Airlines
Tue 5/199:34 am
STL
-
BPT
1 stop4h 15m
American Airlines
Deal found 3/30$593

Find flight deals from Beaumont to Illinois

Keep the following information in mind while searching for Beaumont to Illinois flight deals. Data was last updated April 2, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$399
(American Airlines)
Provider with most accurate pricing for Beaumont Jefferson County-Chicago (CHI) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Beaumont Jefferson County-Chicago (CHI) flights.
Search Deals
From Beaumont Jefferson County to Illinois
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Beaumont to Illinois 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 April 2, 2026.
Use the filters below to find and compare flights from Beaumont to Illinois that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

BeaumontSt. Louis

BPT - STL

BPTSTL

Beaumont Jefferson County

Fri 5/29

3:19 pm-9:42 pm

1 stop6h 23m

Lambert-St Louis

Sat 5/30

8:36 am-2:49 pm

1 stop6h 13m

$424

BeaumontSt. Louis

BPT - STL

BPTSTL

Beaumont Jefferson County

Wed 5/13

2:19 pm-11:56 pm

2 stops9h 37m

Lambert-St Louis

Tue 5/19

7:12 am-1:49 pm

1 stop6h 37m

$572

BeaumontSt. Louis

BPT - STL

BPTSTL

Beaumont Jefferson County

Wed 5/13

2:19 pm-11:56 pm

2 stops9h 37m

Lambert-St Louis

Mon 5/18

6:11 pm-12:06 am

1 stop5h 55m

$599

BeaumontSt. Louis

BPT - STL

BPTSTL

Beaumont Jefferson County

Thu 5/14

2:19 pm-11:56 pm

2 stops9h 37m

Lambert-St Louis

Mon 5/18

12:27 pm-12:06 am

2 stops11h 39m

$822

BeaumontSt. Louis

BPT - STL

BPTSTL

Beaumont Jefferson County

Mon 4/13

2:19 pm-10:17 pm

2 stops7h 58m

Lambert-St Louis

Fri 4/17

6:11 pm-1:49 pm

1 stop19h 38m

$937

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/30

Sorted by cheapest first

Best time to book a flight from Beaumont to Illinois

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

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

Currently, January is the cheapest month in which you can book a flight from Beaumont to Illinois (average of $60). Flying from Beaumont to Illinois in May is currently the most expensive (average of $103). 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 Beaumont to Illinois. 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 Beaumont to Illinois?

    Located just 10.0 mi from the city center, Beaumont Jefferson County (BPT) is the airport most travelers will use when flying to Illinois from Beaumont.

  • How long is the flight from Beaumont to Illinois?

    Airlines like American Airlines fly from Beaumont to Illinois in about 6h 23m. The time it takes to get you to your destination can typically vary by up to . Airlines will cover a distance of 642 mi.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Beaumont to Illinois (average of $60). Flying from Beaumont to Illinois in May is currently the most expensive (average of $103). 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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