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$286+ Cheap flights from Frankfurt am Main 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 4/27. Fares are subject to change and may not be available on all flights or dates of travel.
FRA — ORD
Apr 7 — Apr 141
Mon 4/7
Mon 4/14
1 adult, Economy
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Cheap flight deals from Frankfurt am Main to Illinois

Keep the following information in mind while searching for Frankfurt am Main to Illinois flight deals. Data was last updated April 2, 2025.

Round-trip from

$497
(Lufthansa)

One-way from

$286
(Kiwi.com)

Popular in

July

Cheapest in

February

Average price

$635
From Frankfurt am Main to Illinois
Search Deals
One-way flight from Frankfurt am Main to Illinois
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($111 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($24 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find flight deals from Frankfurt am Main to Illinois

Cheapest flights from Frankfurt am Main to Illinois
Explore the most affordable flight options available from Frankfurt am Main to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 2, 2025.

This Lufthansa deal was found by Cheapflights users on 4/1. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/98:50 amFRA - ORD
Nonstop9h 05mLufthansa
Sun 5/259:25 pmORD - FRA
1 stop17h 40mLufthansa
Deal found 4/1$497
This Air Canada deal was found by Cheapflights users on 4/1. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/89:45 amFRA - ORD
2 stops16h 45mAir Canada
Mon 5/199:35 amORD - FRA
2 stops15h 35mAir Canada
Deal found 4/1$499
This United Airlines deal was found by Cheapflights users on 3/31. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/2610:00 amFRA - ORD
1 stop16h 30mUnited Airlines
Sat 7/195:55 pmORD - FRA
1 stop14h 40mUnited Airlines
Deal found 3/31$500
This Billigflug deal was found by Cheapflights users on 3/31. 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 Billigflug is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/145:20 pmFRA - ORD
Nonstop9h 35mMultiple Airlines
Tue 5/2012:00 pmORD - FRA
1 stop11h 30mMultiple Airlines
Deal found 3/31$507
This deal was found by Cheapflights users on 4/1. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/146:40 amFRA - ORD
1 stop16h 15mBritish Airways
Sat 9/209:15 pmORD - FRA
1 stop14h 35mBritish Airways
Deal found 4/1$508
This Finnair deal was found by Cheapflights users on 3/31. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/1711:30 amFRA - ORD
1 stop13h 20mFinnair
Thu 5/19:30 pmORD - FRA
1 stop14h 05mFinnair
Deal found 3/31$512
This Gotogate deal was found by Cheapflights users on 4/1. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/171:05 pmFRA - ORD
1 stop11h 15mIcelandair
Mon 12/16:30 pmORD - FRA
1 stop10h 35mIcelandair
Deal found 4/1$513
This American Airlines deal was found by Cheapflights users on 4/1. 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 5/29:20 amFRA - ORD
1 stop13h 39mAmerican Airlines
Wed 5/710:25 pmORD - FRA
1 stop12h 50mAmerican Airlines
Deal found 4/1$520
This KLM deal was found by Cheapflights users on 4/1. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/510:15 amFRA - ORD
1 stop10h 55mKLM
Sun 6/82:00 pmORD - FRA
1 stop12h 50mKLM
Deal found 4/1$535
This Delta deal was found by Cheapflights users on 3/31. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/110:15 amFRA - MDW
2 stops15h 05mDelta
Tue 7/11:09 pmMDW - FRA
2 stops15h 16mDelta
Deal found 3/31$537
This Delta deal was found by Cheapflights users on 3/31. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/237:00 amFRA - ORD
2 stops18h 14mDelta
Mon 4/281:28 pmORD - FRA
2 stops14h 57mDelta
Deal found 3/31$538
This Air France deal was found by Cheapflights users on 3/31. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/110:40 amFRA - ORD
1 stop17h 50mAir France
Tue 7/155:10 pmORD - FRA
1 stop19h 00mAir France
Deal found 3/31$548

Cheapflights Fare Finder

Customize your flight search to find flights from Frankfurt am Main 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 April 2, 2025.
Use the filters below to find and compare flights from Frankfurt am Main to Illinois that are best for you.

Fly from

Frankfurt am Main

Fly to

Illinois

Route

Depart

Return

Price

Frankfurt am MainChicago

FRA - ORD

FRAORD

Frankfurt am Main

Fri 5/9

8:50 am-10:55 am

Nonstop9h 05m

Chicago O'Hare Intl

Sun 5/25

9:25 pm-10:05 pm

1 stop17h 40m

$497

Frankfurt am MainChicago

FRA - ORD

FRAORD

Frankfurt am Main

Thu 5/8

9:45 am-7:30 pm

2 stops16h 45m

Chicago O'Hare Intl

Mon 5/19

9:35 am-8:10 am

2 stops15h 35m

$499

Frankfurt am MainChicago

FRA - ORD

FRAORD

Frankfurt am Main

Sat 4/26

10:00 am-7:30 pm

1 stop16h 30m

Chicago O'Hare Intl

Sat 7/19

5:55 pm-3:35 pm

1 stop14h 40m

$500

Frankfurt am MainChicago

FRA - ORD

FRAORD

Frankfurt am Main

Wed 5/14

5:20 pm-7:55 pm

Nonstop9h 35m

Chicago O'Hare Intl

Tue 5/20

12:00 pm-6:30 am

1 stop11h 30m

$507

Frankfurt am MainChicago

FRA - ORD

FRAORD

Frankfurt am Main

Sun 9/14

6:40 am-3:55 pm

1 stop16h 15m

Chicago O'Hare Intl

Sat 9/20

9:15 pm-6:50 pm

1 stop14h 35m

$508

Frankfurt am MainChicago

FRA - ORD

FRAORD

Frankfurt am Main

Thu 4/17

11:30 am-5:50 pm

1 stop13h 20m

Chicago O'Hare Intl

Thu 5/1

9:30 pm-6:35 pm

1 stop14h 05m

$512

Frankfurt am MainChicago

FRA - ORD

FRAORD

Frankfurt am Main

Fri 5/2

9:20 am-3:59 pm

1 stop13h 39m

Chicago O'Hare Intl

Wed 5/7

10:25 pm-6:15 pm

1 stop12h 50m

$520

Frankfurt am MainChicago

FRA - ORD

FRAORD

Frankfurt am Main

Thu 6/5

10:15 am-2:10 pm

1 stop10h 55m

Chicago O'Hare Intl

Sun 6/8

2:00 pm-9:50 am

1 stop12h 50m

$535

Frankfurt am MainChicago

FRA - MDW

FRAMDW

Frankfurt am Main

Thu 5/1

10:15 am-6:20 pm

2 stops15h 05m

Chicago Midway

Tue 7/1

1:09 pm-11:25 am

2 stops15h 16m

$537

Frankfurt am MainChicago

FRA - ORD

FRAORD

Frankfurt am Main

Wed 4/23

7:00 am-6:14 pm

2 stops18h 14m

Chicago O'Hare Intl

Mon 4/28

1:28 pm-11:25 am

2 stops14h 57m

$538

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/1

Showing 1-10 of 58 results
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Best time to book a flight from Frankfurt am Main to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois from Frankfurt am Main 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 Frankfurt am Main to Illinois

What is the cheapest month to book a flight from Frankfurt am Main to Illinois?

Currently, August is the cheapest month in which you can book a flight from Frankfurt am Main to Illinois (average of $245). Flying from Frankfurt am Main to Illinois in March is currently the most expensive (average of $323). 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 FRA to IL?

Find hourly flight availability from Frankfurt am Main 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 April 2, 2025.

When flying from Frankfurt am Main 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 Frankfurt am Main to Illinois

Explore weekly flight availability from Frankfurt am Main 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 April 2, 2025.

The most flights from FK0 to USIL are scheduled on a Monday (13 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (10 on average).

Rainfall in Illinois by month

Plan your trip to Illinois by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Illinois ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Illinois when rainfall is around 1.7 in.

Temperature in Illinois by month

Plan your trip to Illinois by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Illinois, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

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 April 2, 2025.
Peruse reviews from past customers who have flown with Delta, KLM and Finnair from Frankfurt am Main to Illinois to help guide your decision. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,899 reviews

Food

7.3

Crew

8.5

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,899 reviews
Delta
8.0
Very good
7,899 reviews

Food

7.3

Crew

8.5

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
KLM
7.8
Good
1,323 reviews
Delta
8.0
Very good
7,899 reviews

Food

7.3

Crew

8.5

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Finnair
7.6
Good
1,267 reviews
Delta
8.0
Very good
7,899 reviews

Food

7.3

Crew

8.5

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Austrian Airlines
7.6
Good
771 reviews
Delta
8.0
Very good
7,899 reviews

Food

7.3

Crew

8.5

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
SWISS
7.5
Good
1,572 reviews
Delta
8.0
Very good
7,899 reviews

Food

7.3

Crew

8.5

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Frankfurt am Main to Illinois. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines to fly from Frankfurt am Main to Illinois one-way?

    The cheapest airlines for a one-way flight from Frankfurt am Main to Illinois are TAP AIR PORTUGAL ($466), Air Serbia ($482), and Aer Lingus ($512).

  • What are the most popular routes from Frankfurt am Main to Illinois?

    When deciding which route to take from Frankfurt am Main to Illinois consider Frankfurt am Main - Chicago O'Hare Intl, Frankfurt am Main - Chicago Midway or Frankfurt-Hahn - Chicago O'Hare Intl as they are the most popular.

  • What are the most reliable airlines from Frankfurt am Main to Illinois?

    Before booking your flight to Illinois from Frankfurt am Main, check out the most reliable airlines to get you to your destination on time: Qatar Airways (100%), Lufthansa (86%), Air Canada( 84%).

  • What are the cheapest flights from Frankfurt am Main to Illinois?

    Looking for the cheapest flight from Frankfurt am Main to Illinois? While on average our users pay $2,143, our data indicates the cheapest price to be $527. The most popular route (Frankfurt am Main - Chicago O'Hare Intl), is priced around $452.

  • Can I find deals for flights from Frankfurt am Main to Illinois that include hotel bookings?

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

  • How can I find direct flights from Frankfurt am Main to Illinois?

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

  • Can I find deals for business class flights from Frankfurt am Main to Illinois?

    Yes. Cheapflights offers flight deals from Frankfurt am Main 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 Frankfurt am Main to Illinois?

    Currently, August is the cheapest month in which you can book a flight from Frankfurt am Main to Illinois (average of $245). Flying from Frankfurt am Main to Illinois in March is currently the most expensive (average of $323). 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 Frankfurt am Main to Illinois

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Frankfurt am Main to Illinois

Discover the top 4 airlines that operate flights from Frankfurt am Main 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 April 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$480Average$762FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$509Average$636FlexibilityNo cancel feeOn-time70%
LufthansaCheapest$561Average$788FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$571Average$703FlexibilityNo cancel feeOn-time69%

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