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$76+ Cheap flights from Flint, MI (FNT) 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 12/7. Fares are subject to change and may not be available on all flights or dates of travel.
FNT — ORD
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from Flint to Illinois

Keep the following information in mind while searching for Flint to Illinois flight deals. Data was last updated September 11, 2025.

Round-trip from

$179
(United Airlines)

One-way from

$76
(Kiwi.com)

Popular in

March

Cheapest in

October

Average price

$239

Good round-trip deal

$283 or less

Good one-way deal

$251 or less
From Flint Bishop to Illinois
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One-way flight from Flint Bishop to Illinois
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Highest demand for flights based on searches. 5% potential increase in price ($15 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Flint Bishop to Illinois.
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Price to beat on a one-way flight from Flint Bishop to Illinois.
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Find flight deals from Flint to Illinois

Cheapest flights from Flint to Illinois
Explore the most affordable flight options available from Flint to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This United Airlines deal was found by Cheapflights users on 9/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/24:43 pmFNT - ORD
Nonstop1h 27mUnited Airlines
Sun 10/511:05 amORD - FNT
Nonstop1h 21mUnited Airlines
Deal found 9/11$179
This American Airlines deal was found by Cheapflights users on 9/10. 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 9/257:25 pmFNT - ORD
Nonstop1h 25mAmerican Airlines
Thu 10/211:51 amORD - FNT
Nonstop1h 12mAmerican Airlines
Deal found 9/10$184
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/263:49 pmFNT - ORD
1 stop25h 00mMultiple Airlines
Thu 10/301:26 pmORD - FNT
1 stop5h 24mMultiple Airlines
Deal found 9/9$188
This American Airlines deal was found by Cheapflights users on 9/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/252:33 pmFNT - ORD
Nonstop1h 28mAmerican Airlines
Mon 9/294:44 pmORD - FNT
Nonstop1h 11mAmerican Airlines
Deal found 9/11$189
This American Airlines deal was found by Cheapflights users on 9/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/242:33 pmFNT - ORD
Nonstop1h 28mAmerican Airlines
Wed 10/88:48 pmORD - FNT
Nonstop1h 21mAmerican Airlines
Deal found 9/11$194
This American Airlines deal was found by Cheapflights users on 9/9. 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.
Fri 10/246:00 amFNT - ORD
Nonstop1h 21mAmerican Airlines
Tue 10/285:24 pmORD - FNT
Nonstop1h 14mAmerican Airlines
Deal found 9/9$199
This United Airlines deal was found by Cheapflights users on 9/10. 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.
Sat 9/204:43 pmFNT - ORD
Nonstop1h 27mUnited Airlines
Mon 9/228:03 pmORD - FNT
Nonstop1h 27mUnited Airlines
Deal found 9/10$209
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/55:39 pmFNT - ORD
1 stop24h 37mMultiple Airlines
Thu 10/91:26 pmORD - FNT
1 stop5h 24mMultiple Airlines
Deal found 9/9$217
This American Airlines deal was found by Cheapflights users on 9/9. 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.
Thu 10/22:33 pmFNT - STL
1 stop6h 52mAmerican Airlines
Sun 10/57:23 amSTL - FNT
1 stop5h 40mAmerican Airlines
Deal found 9/9$229
This American Airlines deal was found by Cheapflights users on 9/9. 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.
Fri 9/197:25 pmFNT - ORD
Nonstop1h 25mAmerican Airlines
Sun 9/214:44 pmORD - FNT
Nonstop1h 11mAmerican Airlines
Deal found 9/9$229
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/24:54 pmFNT - MDW
1 stop20h 50mMultiple Airlines
Sun 10/56:21 amMDW - FNT
1 stop15h 51mMultiple Airlines
Deal found 9/9$230
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/55:39 pmFNT - ORD
1 stop24h 37mMultiple Airlines
Sun 10/121:26 pmORD - FNT
1 stop5h 24mMultiple Airlines
Deal found 9/9$235

Cheapflights Fare Finder

 
Customize your flight search to find flights from Flint 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 September 11, 2025.
Use the filters below to find and compare flights from Flint to Illinois that are best for you.

Fly from

Flint

Fly to

Illinois

Route

Depart

Return

Price

FlintChicago

FNT - ORD

FNTORD

Flint Bishop

Thu 10/9

6:00 am-6:21 am

Nonstop1h 21m

Chicago O'Hare Intl

Thu 10/16

5:24 pm-7:38 pm

Nonstop1h 14m

$179

FlintChicago

FNT - ORD

FNTORD

Flint Bishop

Sat 11/15

2:15 pm-2:44 pm

Nonstop1h 29m

Chicago O'Hare Intl

Mon 11/17

11:10 am-1:25 pm

Nonstop1h 15m

$179

FlintChicago

FNT - ORD

FNTORD

Flint Bishop

Thu 10/2

2:05 pm-2:33 pm

Nonstop1h 28m

Chicago O'Hare Intl

Sat 10/4

8:03 pm-10:29 pm

Nonstop1h 26m

$179

FlintChicago

FNT - ORD

FNTORD

Flint Bishop

Sat 10/4

2:33 pm-3:01 pm

Nonstop1h 28m

Chicago O'Hare Intl

Sun 10/5

4:44 pm-6:55 pm

Nonstop1h 11m

$179

FlintChicago

FNT - ORD

FNTORD

Flint Bishop

Fri 10/24

10:53 am-11:16 am

Nonstop1h 23m

Chicago O'Hare Intl

Tue 10/28

5:24 pm-7:38 pm

Nonstop1h 14m

$179

FlintChicago

FNT - ORD

FNTORD

Flint Bishop

Thu 10/9

2:05 pm-2:33 pm

Nonstop1h 28m

Chicago O'Hare Intl

Sun 10/12

8:03 pm-10:29 pm

Nonstop1h 26m

$179

FlintChicago

FNT - ORD

FNTORD

Flint Bishop

Wed 12/3

7:17 pm-7:57 pm

Nonstop1h 40m

Chicago O'Hare Intl

Tue 12/9

9:09 pm-11:32 pm

Nonstop1h 23m

$179

FlintChicago

FNT - ORD

FNTORD

Flint Bishop

Sat 10/25

10:53 am-11:16 am

Nonstop1h 23m

Chicago O'Hare Intl

Mon 10/27

5:24 pm-7:38 pm

Nonstop1h 14m

$179

FlintChicago

FNT - ORD

FNTORD

Flint Bishop

Fri 10/17

10:53 am-11:16 am

Nonstop1h 23m

Chicago O'Hare Intl

Sun 10/19

5:24 pm-7:38 pm

Nonstop1h 14m

$179

FlintChicago

FNT - ORD

FNTORD

Flint Bishop

Fri 10/10

10:53 am-11:16 am

Nonstop1h 23m

Chicago O'Hare Intl

Sun 10/12

8:09 am-10:22 am

Nonstop1h 13m

$179

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 47 results
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Best time to book a flight from Flint to Illinois

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

What is the cheapest month to book a flight from Flint, Michigan to Illinois?

Currently, August is the cheapest month in which you can book a flight from Flint, Michigan to Illinois (average of $245). Flying from Flint, Michigan to Illinois in March is currently the most expensive (average of $321). 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 FNT to IL?

Find hourly flight availability from Flint 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 September 11, 2025.

When flying from Flint, Michigan to Illinois, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Flint, Michigan to Illinois

Explore weekly flight availability from Flint 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 September 11, 2025.

The most flights from FNT to USIL are scheduled on a Monday (13 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (13 on average).

How much does it cost to fly round-trip from Flint, Michigan to Illinois?

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 September 11, 2025.
See what other customers who have flown with United Airlines and American Airlines from Flint to Illinois have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,937 reviews

Comfort

7.3

Entertainment

7.1

Overall

7.4

Food

6.6

Crew

8.1

Boarding

7.7

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
8,937 reviews
United Airlines
7.4
Good
8,937 reviews

Comfort

7.3

Entertainment

7.1

Overall

7.4

Food

6.6

Crew

8.1

Boarding

7.7

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
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,937 reviews

Comfort

7.3

Entertainment

7.1

Overall

7.4

Food

6.6

Crew

8.1

Boarding

7.7

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 Flint 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 Flint to Illinois?

    If you book a flight to Illinois from Flint, you will be flying from Bishop, which is the city’s only airport. Flint Bishop (FNT) is located 4.3 mi from the center of Flint.

  • How long is the flight from Flint, Michigan to Illinois?

    Airlines like American Airlines, United Airlines, and Allegiant Air fly from Flint, Michigan to Illinois in about 1h 21m. The time it takes to get you to your destination can typically vary by up to 19h 29m. There are 223 mi between Flint, Michigan and Illinois. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Flint, Michigan to Illinois one-way?

    One-way options have recently been found by users for as low as $118 on Allegiant Air. Other airlines that offer cheap prices include United Airlines from $130 and American Airlines from $180 one-way.

  • What are the most popular routes from Flint, Michigan to Illinois?

    The most popular route from Flint, Michigan to Illinois is Flint Bishop - Chicago O'Hare Intl. You may also consider Flint Bishop - Chicago Midway or Flint Bishop - Lambert-St Louis.

  • What are the most reliable airlines from Flint, Michigan to Illinois?

    Before booking your flight to Illinois from Flint, Michigan, check out the most reliable airlines to get you to your destination on time: United Airlines (66%), Air New Zealand (66%), Qatar Airways( 64%).

  • What are the cheapest flights from Flint, Michigan to Illinois?

    Looking at all options, your cheapest flight can be booked for $147. While the most popular route (Flint Bishop - Chicago O'Hare Intl) can be booked for $179 on average, our data indicates $860 when flying from Flint, Michigan to Illinois.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Flint 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 Flint, Michigan to Illinois?

    Currently, August is the cheapest month in which you can book a flight from Flint, Michigan to Illinois (average of $245). Flying from Flint, Michigan to Illinois in March is currently the most expensive (average of $321). 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 Flint to Illinois

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Flint to Illinois

Discover the top 2 airlines that operate flights from Flint 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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$169Average$417FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$179Average$251FlexibilityNo cancel feeOn-time69%

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