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$94+ 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 9/4. Fares are subject to change and may not be available on all flights or dates of travel.
FNT — ORD
Aug 3 — Aug 101
Sun 8/3
Sun 8/10
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 July 29, 2025.

Round-trip from

$179
(American Airlines)

One-way from

$94
(Mytrip)

Popular in

March

Cheapest in

October

Average price

$259

Good round-trip deal

$292 or less

Good one-way deal

$238 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 ($14 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 July 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 July 29, 2025.

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 9/57:25 pmFNT - ORD
Nonstop1h 25mAmerican Airlines
Sun 9/711:51 amORD - FNT
Nonstop1h 12mAmerican Airlines
Deal found 7/27$179
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/219:00 amFNT - ORD
2 stops25h 21mMultiple Airlines
Sun 8/245:16 pmORD - FNT
1 stop17h 03mMultiple Airlines
Deal found 7/28$228
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 8/298:12 pmFNT - STL
1 stop4h 39mAmerican Airlines
Sun 8/316:00 amSTL - FNT
1 stop3h 25mAmerican Airlines
Deal found 7/27$229
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.
Fri 8/298:12 pmFNT - PIA
1 stop4h 10mAmerican Airlines
Sun 8/316:00 amPIA - FNT
1 stop3h 25mAmerican Airlines
Deal found 7/29$229
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/197:00 amFNT - ORD
Nonstop1h 34mUnited Airlines
Mon 9/228:03 pmORD - FNT
Nonstop1h 27mUnited Airlines
Deal found 7/27$239
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 8/137:00 amFNT - PIA
1 stop4h 19mUnited Airlines
Sun 8/173:39 pmPIA - FNT
1 stop5h 51mUnited Airlines
Deal found 7/29$299
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/294:43 pmFNT - STL
1 stop3h 44mUnited Airlines
Sun 8/315:30 pmSTL - FNT
1 stop4h 00mUnited Airlines
Deal found 7/27$329
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/36:07 amFNT - STL
2 stops13h 34mMultiple Airlines
Thu 8/710:47 amSTL - FNT
3 stops25h 47mMultiple Airlines
Deal found 7/28$478

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 July 29, 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

Fri 9/5

7:25 pm-7:50 pm

Nonstop1h 25m

Chicago O'Hare Intl

Sun 9/7

11:51 am-2:03 pm

Nonstop1h 12m

$179

FlintChicago

FNT - ORD

FNTORD

Flint Bishop

Thu 8/21

9:00 am-9:21 am

2 stops25h 21m

Chicago O'Hare Intl

Sun 8/24

5:16 pm-11:19 am

1 stop17h 03m

$228

FlintSt. Louis

FNT - STL

FNTSTL

Flint Bishop

Fri 8/29

8:12 pm-11:51 pm

1 stop4h 39m

Lambert-St Louis

Sun 8/31

6:00 am-10:25 am

1 stop3h 25m

$229

FlintPeoria

FNT - PIA

FNTPIA

Flint Bishop

Fri 8/29

8:12 pm-11:22 pm

1 stop4h 10m

Greater Peoria

Sun 8/31

6:00 am-10:25 am

1 stop3h 25m

$229

FlintChicago

FNT - ORD

FNTORD

Flint Bishop

Fri 9/19

7:00 am-7:34 am

Nonstop1h 34m

Chicago O'Hare Intl

Mon 9/22

8:03 pm-10:30 pm

Nonstop1h 27m

$239

FlintPeoria

FNT - PIA

FNTPIA

Flint Bishop

Wed 8/13

7:00 am-10:19 am

1 stop4h 19m

Greater Peoria

Sun 8/17

3:39 pm-10:30 pm

1 stop5h 51m

$299

FlintSt. Louis

FNT - STL

FNTSTL

Flint Bishop

Fri 8/29

4:43 pm-7:27 pm

1 stop3h 44m

Lambert-St Louis

Sun 8/31

5:30 pm-10:30 pm

1 stop4h 00m

$329

FlintChicago

FNT - ORD

FNTORD

Flint Bishop

Thu 9/4

1:49 pm-10:43 am

2 stops21h 54m

$94

FlintSt. Louis

FNT - STL

FNTSTL

Flint Bishop

Fri 8/29

10:55 am-1:12 pm

1 stop3h 17m

$170

FlintChicago

FNT - ORD

FNTORD

Flint Bishop

Mon 8/18

4:46 pm-5:10 pm

Nonstop1h 24m

$204

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Showing 1-10 of 12 results
1
2

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 July 29, 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 July 29, 2025.

The most flights from FNT to USIL are scheduled on a Monday (12 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (8 on average).

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 29, 2025.
See what other customers who have flown with United Airlines, American Airlines, and Allegiant Air 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
8,899 reviews

Food

6.6

Crew

8.1

Boarding

7.7

Overall

7.4

Entertainment

7.1

Comfort

7.3

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
8,899 reviews
United Airlines
7.4
Good
8,899 reviews

Food

6.6

Crew

8.1

Boarding

7.7

Overall

7.4

Entertainment

7.1

Comfort

7.3

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
8,899 reviews

Food

6.6

Crew

8.1

Boarding

7.7

Overall

7.4

Entertainment

7.1

Comfort

7.3

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!
Allegiant Air
7.2
Good
703 reviews
United Airlines
7.4
Good
8,899 reviews

Food

6.6

Crew

8.1

Boarding

7.7

Overall

7.4

Entertainment

7.1

Comfort

7.3

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.

  • 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 $170 on American Airlines. Other airlines that offer cheap prices include United Airlines from $204 and Allegiant Air from $328 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 - Lambert-St Louis or Flint Bishop - Chicago Midway.

  • 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: Piedmont Airlines (85%), American Airlines (72%), Qatar Airways( 72%).

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

    Looking at all options, your cheapest flight can be booked for $148. While the most popular route (Flint Bishop - Chicago O'Hare Intl) can be booked for $179 on average our data indicates $917 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 July 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$137Average$240FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$168Average$408FlexibilityNo cancel feeOn-time71%

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