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$51+ Cheap flights from Grand Rapids (GRR) 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 10/14. Fares are subject to change and may not be available on all flights or dates of travel.
GRR — ORD
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from Grand Rapids to Illinois

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

Round-trip from

$101
(American Airlines)

One-way from

$51
(Southwest)

Popular in

February

Cheapest in

October

Average price

$205

Good round-trip deal

$309 or less

Good one-way deal

$153 or less
From Grand Rapids Gerald R. Ford Intl to Illinois
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One-way flight from Grand Rapids Gerald R. Ford Intl to Illinois
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Highest demand for flights based on searches. 18% potential increase in price ($67 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($21 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 Grand Rapids Gerald R. Ford Intl to Illinois.
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Price to beat on a one-way flight from Grand Rapids Gerald R. Ford Intl to Illinois.
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Find flight deals from Grand Rapids to Illinois

Cheapest flights from Grand Rapids to Illinois
Explore the most affordable flight options available from Grand Rapids 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 9/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/77:30 amGRR - ORD
Nonstop1h 11mUnited Airlines
Tue 10/148:45 amORD - GRR
Nonstop1h 01mUnited Airlines
Deal found 9/9$101
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/125:00 pmGRR - MDW
Nonstop1h 15mSouthwest
Thu 11/139:30 amMDW - GRR
Nonstop0h 55mSouthwest
Deal found 9/10$117
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.
Tue 10/1410:45 amGRR - ORD
Nonstop1h 10mAmerican Airlines
Fri 10/176:59 amORD - GRR
Nonstop1h 00mAmerican Airlines
Deal found 9/10$117
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/106:05 pmGRR - MDW
Nonstop1h 05mSouthwest
Fri 10/179:30 amMDW - GRR
Nonstop0h 55mSouthwest
Deal found 9/10$133
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 10/27:21 amGRR - ORD
Nonstop1h 09mAmerican Airlines
Sun 10/129:45 amORD - GRR
Nonstop1h 06mAmerican Airlines
Deal found 9/10$133
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/146:25 amGRR - MDW
Nonstop1h 05mSouthwest
Thu 10/169:40 pmMDW - GRR
Nonstop0h 55mSouthwest
Deal found 9/9$145
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/44:25 pmGRR - MDW
Nonstop1h 05mSouthwest
Mon 10/69:40 pmMDW - GRR
Nonstop0h 55mSouthwest
Deal found 9/9$156
This Southwest deal was found by Cheapflights users on 9/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/76:30 amGRR - MDW
Nonstop1h 05mSouthwest
Mon 11/109:30 amMDW - GRR
Nonstop0h 55mSouthwest
Deal found 9/8$157
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.
Tue 10/146:00 amGRR - ORD
Nonstop1h 05mAmerican Airlines
Thu 10/166:59 amORD - GRR
Nonstop1h 00mAmerican Airlines
Deal found 9/9$157
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.
Tue 10/285:33 pmGRR - ORD
Nonstop1h 11mAmerican Airlines
Tue 11/41:28 pmORD - GRR
Nonstop1h 10mAmerican Airlines
Deal found 9/9$158
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.
Tue 9/307:30 amGRR - ORD
Nonstop1h 11mUnited Airlines
Tue 9/308:05 pmORD - GRR
Nonstop1h 08mUnited Airlines
Deal found 9/11$161
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/76:25 amGRR - STL
1 stop3h 45mSouthwest
Tue 10/145:05 pmSTL - GRR
1 stop4h 30mSouthwest
Deal found 9/9$169

Cheapflights Fare Finder

 
Customize your flight search to find flights from Grand Rapids 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 Grand Rapids to Illinois that are best for you.

Fly from

Grand Rapids

Fly to

Illinois

Route

Depart

Return

Price

Grand RapidsChicago

GRR - ORD

GRRORD

Grand Rapids Gerald R. Ford Intl

Wed 12/10

5:00 pm-5:24 pm

Nonstop1h 24m

Chicago O'Hare Intl

Wed 12/17

9:40 am-11:56 am

Nonstop1h 16m

$101

Grand RapidsChicago

GRR - ORD

GRRORD

Grand Rapids Gerald R. Ford Intl

Tue 10/7

7:30 am-7:41 am

Nonstop1h 11m

Chicago O'Hare Intl

Tue 10/14

8:45 am-10:46 am

Nonstop1h 01m

$101

Grand RapidsChicago

GRR - MDW

GRRMDW

Grand Rapids Gerald R. Ford Intl

Wed 11/12

5:00 pm-5:15 pm

Nonstop1h 15m

Chicago Midway

Thu 11/13

9:30 am-11:25 am

Nonstop0h 55m

$117

Grand RapidsChicago

GRR - ORD

GRRORD

Grand Rapids Gerald R. Ford Intl

Thu 10/9

9:05 am-9:16 am

Nonstop1h 11m

Chicago O'Hare Intl

Sat 10/11

10:35 am-12:47 pm

Nonstop1h 12m

$117

Grand RapidsChicago

GRR - MDW

GRRMDW

Grand Rapids Gerald R. Ford Intl

Mon 10/13

6:05 pm-6:10 pm

Nonstop1h 05m

Chicago Midway

Thu 10/16

9:30 am-11:25 am

Nonstop0h 55m

$133

Grand RapidsChicago

GRR - ORD

GRRORD

Grand Rapids Gerald R. Ford Intl

Fri 10/3

7:21 am-7:30 am

Nonstop1h 09m

Chicago O'Hare Intl

Sun 11/2

7:07 am-9:07 am

Nonstop1h 00m

$133

Grand RapidsChicago

GRR - MDW

GRRMDW

Grand Rapids Gerald R. Ford Intl

Fri 10/10

6:05 pm-6:10 pm

Nonstop1h 05m

Chicago Midway

Fri 10/17

9:30 am-11:25 am

Nonstop0h 55m

$133

Grand RapidsChicago

GRR - MDW

GRRMDW

Grand Rapids Gerald R. Ford Intl

Tue 10/14

6:25 am-6:30 am

Nonstop1h 05m

Chicago Midway

Thu 10/16

9:40 pm-11:35 pm

Nonstop0h 55m

$145

Grand RapidsChicago

GRR - MDW

GRRMDW

Grand Rapids Gerald R. Ford Intl

Sat 10/4

4:25 pm-4:30 pm

Nonstop1h 05m

Chicago Midway

Mon 10/6

9:40 pm-11:35 pm

Nonstop0h 55m

$156

Grand RapidsChicago

GRR - MDW

GRRMDW

Grand Rapids Gerald R. Ford Intl

Fri 11/7

6:30 am-6:35 am

Nonstop1h 05m

Chicago Midway

Mon 11/10

9:30 am-11:25 am

Nonstop0h 55m

$157

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

Showing 1-10 of 58 results
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Best time to book a flight from Grand Rapids to Illinois

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

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

Currently, August is the cheapest month in which you can book a flight from Grand Rapids to Illinois (average of $245). Flying from Grand Rapids 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 GRR to IL?

Find hourly flight availability from Grand Rapids 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 Grand Rapids 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 Grand Rapids to Illinois

Explore weekly flight availability from Grand Rapids 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 GRR to USIL are scheduled on a Thursday (46 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (22 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 September 11, 2025.
Peruse reviews from past customers who have flown with Southwest, United Airlines, and American Airlines from Grand Rapids to Illinois to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,248 reviews

Crew

8.6

Boarding

8.1

Entertainment

7.5

Overall

8.0

Food

7.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,248 reviews
Southwest
8.0
Very good
4,248 reviews

Crew

8.6

Boarding

8.1

Entertainment

7.5

Overall

8.0

Food

7.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
United Airlines
7.4
Good
8,937 reviews
Southwest
8.0
Very good
4,248 reviews

Crew

8.6

Boarding

8.1

Entertainment

7.5

Overall

8.0

Food

7.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,248 reviews

Crew

8.6

Boarding

8.1

Entertainment

7.5

Overall

8.0

Food

7.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Related info for your journey

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

    For a flight from Grand Rapids to Illinois, you will be flying from Gerald R. Ford Intl. Grand Rapids Gerald R. Ford Intl (GRR) is just 9.2 mi from the center of the city.

  • How long is the flight from Grand Rapids to Illinois?

    There are many flights that can get you from Grand Rapids to Illinois in 1h 11m. Fly via American Airlines, United Airlines, or Southwest to get the fastest option. There are 136 mi between Grand Rapids and Illinois. Most flights are nonstop.

  • What are the cheapest airlines to fly from Grand Rapids to Illinois one-way?

    For one-way options, check prices for Southwest. According to our data, you can fly for as low as $51. Users have also found prices from $51 and $85 on United Airlines and Frontier, respectively.

  • What are the most popular routes from Grand Rapids to Illinois?

    While some choose either Grand Rapids Gerald R. Ford Intl - Lambert-St Louis or Grand Rapids Gerald R. Ford Intl - Chicago Midway, Grand Rapids Gerald R. Ford Intl - Chicago O'Hare Intl is the most popular route from Grand Rapids to Illinois.

  • What are the most reliable airlines from Grand Rapids to Illinois?

    Consider Japan Airlines (80%), Envoy Air (77%) or United Airlines (75%) when booking your flight. These represent the most reliable airlines when flying from Grand Rapids to Illinois.

  • What are the cheapest flights from Grand Rapids to Illinois?

    Looking for the cheapest flight from Grand Rapids to Illinois? While on average our users pay $793, our data indicates the cheapest price to be $105. The most popular route (Grand Rapids Gerald R. Ford Intl - Chicago O'Hare Intl), is priced around $101.

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

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

  • How can I find direct flights from Grand Rapids to Illinois?

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

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

    Yes. Cheapflights offers flight deals from Grand Rapids 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 Grand Rapids to Illinois?

    Currently, August is the cheapest month in which you can book a flight from Grand Rapids to Illinois (average of $245). Flying from Grand Rapids 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.

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Alternative routes for Grand Rapids to Illinois

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Grand Rapids to Illinois

Discover the top 3 airlines that operate flights from Grand Rapids 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$91Average$261FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$122Average$275FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$124Average$275FlexibilityNo cancel feeOn-time69%

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