$636+ 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 9/16. Fares are subject to change and may not be available on all flights or dates of travel.
BPT — ORD
Oct 2 — Oct 91
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Beaumont to Illinois with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Beaumont to Illinois
Cheapest
Best
Last-minute
Cheapest flights from Beaumont to IllinoisExplore 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 September 2, 2026.
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 September 2, 2026.
This American Airlines deal was found by Cheapflights users on 8/31. 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 9/166:00 am -
1 stop6h 15m
Sun 9/205:11 pm -
1 stop5h 33m
Deal found 8/31![American Airlines logo]()
$636
This American Airlines deal was found by Cheapflights users on 8/30. 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 9/173:38 pm -
1 stop4h 07m
Mon 9/218:30 am -
1 stop6h 37m
Deal found 8/30![American Airlines logo]()
$650
Best flights from Beaumont to IllinoisDiscover carefully curated flight deals from Beaumont to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 2, 2026.
Discover carefully curated flight deals from Beaumont to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 2, 2026.
This American Airlines deal was found by Cheapflights users on 8/31. 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 9/166:00 am -
1 stop6h 15m
Sun 9/205:11 pm -
1 stop5h 33m
Deal found 8/31![American Airlines logo]()
$636
This American Airlines deal was found by Cheapflights users on 8/30. 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 9/173:38 pm -
1 stop4h 07m
Mon 9/218:30 am -
1 stop6h 37m
Deal found 8/30![American Airlines logo]()
$650
Last-minute flights from Beaumont to IllinoisDiscover last-minute flight deals from Beaumont to Illinois. Data last updated September 2, 2026 and is based on user searches.
Discover last-minute flight deals from Beaumont to Illinois. Data last updated September 2, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 8/31. 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 9/166:00 am -
1 stop6h 15m
Sun 9/205:11 pm -
1 stop5h 33m
Deal found 8/31![American Airlines logo]()
$636
This American Airlines deal was found by Cheapflights users on 8/30. 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 9/173:38 pm -
1 stop4h 07m
Mon 9/218:30 am -
1 stop6h 37m
Deal found 8/30![American Airlines logo]()
$650
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 September 2, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $636 (American Airlines) |
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 7,457,451 searches. Data last updated September 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
Cheapest round-trip
BeaumontSt. Louis
BPT Beaumont Jefferson County - STL Lambert-St Louis
BPTSTL
Beaumont Jefferson County
Wed 9/16
6:00 am-12:15 pm
1 stop6h 15m
Lambert-St Louis
Sun 9/20
5:11 pm-10:44 pm
1 stop5h 33m
$636
Quickest round-trip
BeaumontSt. Louis
BPT Beaumont Jefferson County - STL Lambert-St Louis
BPTSTL
Beaumont Jefferson County
Thu 9/17
3:38 pm-7:45 pm
1 stop4h 07m
Lambert-St Louis
Mon 9/21
8:30 am-3:07 pm
1 stop6h 37m
$650
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.
BPT-STL
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
BPT-USIL
BPT-STL
No data available for this route at this time. Please check back soon.
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.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights