HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Illinois

$139+ Cheap flights from Bangor, ME (BGR) to Illinois

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 10/28. Fares are subject to change and may not be available on all flights or dates of travel.
BGR — ORD
Aug 29 — Sep 51
Sat 8/29
Sat 9/5
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Bangor 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 Bangor to Illinois

Cheapest flights from Bangor to Illinois
Explore the most affordable flight options available from Bangor to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 30, 2026.

This American Airlines deal was found by Cheapflights users on 7/27. 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.
Wed 8/2612:45 pm
BGR
-
ORD
Nonstop3h 15m
American Airlines
Sat 8/292:29 pm
ORD
-
BGR
Nonstop2h 40m
American Airlines
Deal found 7/27$271
This American Airlines deal was found by Cheapflights users on 7/26. 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 9/15:30 pm
BGR
-
ORD
Nonstop3h 31m
American Airlines
Tue 9/811:10 am
ORD
-
BGR
1 stop6h 05m
American Airlines
Deal found 7/26$281
This American Airlines deal was found by Cheapflights users on 7/25. 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 9/186:30 am
BGR
-
ORD
Nonstop3h 17m
American Airlines
Wed 9/238:45 pm
ORD
-
BGR
Nonstop2h 51m
American Airlines
Deal found 7/25$285
This American Airlines deal was found by Cheapflights users on 7/29. 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 9/92:08 pm
BGR
-
STL
1 stop8h 09m
American Airlines
Sun 9/136:30 am
STL
-
BGR
1 stop8h 01m
American Airlines
Deal found 7/29$289
This American Airlines deal was found by Cheapflights users on 7/28. 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 8/296:00 am
BGR
-
ORD
1 stop5h 30m
American Airlines
Sun 8/3012:59 pm
ORD
-
BGR
Nonstop2h 50m
American Airlines
Deal found 7/28$296
This American Airlines deal was found by Cheapflights users on 7/27. 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 9/412:45 pm
BGR
-
ORD
Nonstop3h 15m
American Airlines
Mon 9/71:10 pm
ORD
-
BGR
Nonstop2h 50m
American Airlines
Deal found 7/27$299
This Delta deal was found by Cheapflights users on 7/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/95:17 am
BGR
-
MDW
2 stops11h 07m
Delta
Tue 9/151:00 pm
MDW
-
BGR
2 stops9h 20m
Delta
Deal found 7/27$301
This Delta deal was found by Cheapflights users on 7/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/95:17 am
BGR
-
ORD
2 stops10h 12m
Delta
Tue 9/151:55 pm
ORD
-
BGR
2 stops8h 25m
Delta
Deal found 7/27$301
This Delta deal was found by Cheapflights users on 7/25. 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.
Fri 9/184:15 pm
BGR
-
ORD
1 stop6h 22m
Delta
Wed 9/231:55 pm
ORD
-
BGR
2 stops8h 25m
Delta
Deal found 7/25$310
This United Airlines deal was found by Cheapflights users on 7/29. 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.
Wed 9/96:14 am
BGR
-
STL
2 stops9h 01m
United Airlines
Sun 9/138:30 am
STL
-
BGR
1 stop6h 17m
United Airlines
Deal found 7/29$314
This Delta deal was found by Cheapflights users on 7/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/95:17 am
BGR
-
MDW
2 stops11h 07m
Delta
Mon 9/1410:48 am
MDW
-
BGR
2 stops11h 32m
Delta
Deal found 7/27$315
This Delta deal was found by Cheapflights users on 7/29. 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.
Sat 10/244:10 pm
BGR
-
ORD
1 stop6h 33m
Delta
Tue 10/275:27 am
ORD
-
BGR
2 stops9h 03m
Delta
Deal found 7/29$316

Find flight deals from Bangor to Illinois

Keep the following information in mind while searching for Bangor to Illinois flight deals. Data was last updated July 30, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$271
(American Airlines)

One-way from

$139
(Kiwi.com)

Popular in

October

Cheapest in

July

Average price

$289

Good round-trip deal

$397 or less

Good one-way deal

$329 or less
Provider with most accurate pricing for Bangor-Chicago (CHI) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Bangor-Chicago (CHI) flights.
Search Deals
From Bangor to Illinois
Search Deals
One-way flight from Bangor to Illinois
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($72 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals
Price to beat on a round-trip flight from Bangor to Illinois.
Search Deals
Price to beat on a one-way flight from Bangor to Illinois.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Bangor 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 July 30, 2026.
Use the filters below to find and compare flights from Bangor to Illinois that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BangorChicago

BGR - ORD

BGRORD

Bangor

Wed 9/9

5:17 am-4:37 pm

2 stops12h 20m

Chicago O'Hare Intl

Tue 9/15

2:29 pm-11:20 pm

1 stop7h 51m

$296

BangorChicago

BGR - ORD

BGRORD

Bangor

Wed 10/21

4:10 pm-9:43 pm

1 stop6h 33m

Chicago O'Hare Intl

Sat 10/24

5:27 am-3:30 pm

2 stops9h 03m

$296
Quickest round-trip

BangorChicago

BGR - ORD

BGRORD

Bangor

Thu 9/3

6:00 am-8:00 am

Nonstop3h 00m

Chicago O'Hare Intl

Thu 9/10

5:55 pm-9:47 pm

Nonstop2h 52m

$299

BangorChicago

BGR - MDW

BGRMDW

Bangor

Wed 9/9

5:17 am-3:24 pm

2 stops11h 07m

Chicago Midway

Mon 9/14

10:48 am-11:20 pm

2 stops11h 32m

$315

BangorChicago

BGR - ORD

BGRORD

Bangor

Tue 9/1

5:20 am-4:51 pm

2 stops12h 31m

Chicago O'Hare Intl

Tue 9/8

2:29 pm-11:20 pm

1 stop7h 51m

$335

BangorChicago

BGR - ORD

BGRORD

Bangor

Wed 9/9

5:17 am-4:37 pm

2 stops12h 20m

Chicago O'Hare Intl

Mon 9/14

1:55 pm-11:20 pm

2 stops8h 25m

$340

BangorSt. Louis

BGR - STL

BGRSTL

Bangor

Sun 10/25

7:30 pm-9:40 am

2 stops15h 10m

Lambert-St Louis

Sat 10/31

8:34 pm-7:40 pm

1 stop22h 06m

$356

BangorChicago

BGR - ORD

BGRORD

Bangor

Sat 9/5

4:43 pm-6:44 pm

Nonstop3h 01m

Chicago O'Hare Intl

Mon 9/7

5:59 pm-9:51 pm

Nonstop2h 52m

$365

BangorChicago

BGR - ORD

BGRORD

Bangor

Thu 8/13

4:22 pm-9:52 pm

1 stop6h 30m

Chicago O'Hare Intl

Sun 8/16

5:30 am-1:26 pm

1 stop6h 56m

$369

BangorChicago

BGR - ORD

BGRORD

Bangor

Sat 1/9

6:30 am-10:47 am

1 stop5h 17m

Chicago O'Hare Intl

Wed 1/13

5:00 am-11:23 am

1 stop5h 23m

$371

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/25

Showing 1-10 of 45 resultsSorted by cheapest first
1
2
3
...
5

Best time to book a flight from Bangor to Illinois

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

What is the cheapest month to book a flight from Bangor, Maine to Illinois?

Currently, September is the cheapest month in which you can book a flight from Bangor, Maine to Illinois (average of $299). Flying from Bangor, Maine to Illinois in November is currently the most expensive (average of $636). 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.

What is the cheapest time of day to fly from BGR to IL?

Find hourly flight availability from Bangor to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 30, 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Bangor, Maine to Illinois as you normally would.

Weekly flight availability from Bangor, Maine to Illinois

Explore weekly flight availability from Bangor to Illinois. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated July 30, 2026.

The most flights from BGR to USIL are scheduled on a Tuesday (7 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (2 on average).

How much does it cost to fly round-trip from Bangor, Maine to Illinois?

Airfare is below average for this route at the moment.
Bangor, Maine to Illinois flights typically cost between $305 and $409 in August.
The cheapest round-trip price found within the last 5 days was $271 on American Airlines (Aug 26-Aug 29).

Reviews of airlines servicing Illinois

Get insights into the airlines that provide service to Illinois. 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 Illinois. Reviews last updated July 30, 2026.
See what other customers who have flown with United Airlines and American Airlines from Bangor to Illinois have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
10,046 reviews

Entertainment

7.1

Overall

7.4

Boarding

7.7

Comfort

7.3

Crew

8.1

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
United Airlines
7.4
Good
10,046 reviews
United Airlines
7.4
Good
10,046 reviews

Entertainment

7.1

Overall

7.4

Boarding

7.7

Comfort

7.3

Crew

8.1

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
American Airlines
7.1
Good
11,841 reviews
United Airlines
7.4
Good
10,046 reviews

Entertainment

7.1

Overall

7.4

Boarding

7.7

Comfort

7.3

Crew

8.1

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

Related info for your journey

Find useful and relevant information for your journey from Bangor 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 Bangor to Illinois?

    Most people fly from Bangor (BGR) if they book a flight from Bangor to Illinois. Bangor is conveniently located just 2.3 mi from Bangor’s city center.

  • How long is the flight from Bangor, Maine to Illinois?

    For as low as $271, American Airlines can have you in Illinois from Bangor, Maine in 3h 15m. The distance from Bangor, Maine to Illinois is about 975 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the most popular routes from Bangor, Maine to Illinois?

    While some choose either Bangor - Chicago Midway or Bangor - Lambert-St Louis, Bangor - Chicago O'Hare Intl is the most popular route from Bangor, Maine to Illinois.

  • What are the most reliable airlines from Bangor, Maine to Illinois?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Bangor, Maine to Illinois on time: Envoy Air (100%), Republic Airways (96%), American Airlines (89%).

  • What are the cheapest flights from Bangor, Maine to Illinois?

    Looking at all options, your cheapest flight can be booked for $176. While the most popular route (Bangor - Chicago O'Hare Intl) can be booked for $285 on average, our data indicates $802 when flying from Bangor, Maine to Illinois.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Bangor 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 Bangor, Maine to Illinois?

    Currently, September is the cheapest month in which you can book a flight from Bangor, Maine to Illinois (average of $299). Flying from Bangor, Maine to Illinois in November is currently the most expensive (average of $636). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 2 airlines flying from Bangor to Illinois

Discover the top 2 airlines that operate flights from Bangor to Illinois. 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 July 30, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$229Average$400FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$250Average$387FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.