HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Frankfurt am Main

$251+ Cheap flights from Illinois to Frankfurt am Main

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 2/9. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — FRA
Jan 4 — Jan 111
Sun 1/4
Sun 1/11
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Illinois to Frankfurt am Main 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 Illinois to Frankfurt am Main

Cheapest flights from Illinois to Frankfurt am Main
Explore the most affordable flight options available from Illinois to Frankfurt am Main. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 5, 2025.

This Delta deal was found by Cheapflights users on 12/3. 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 12/310:45 amORD - FRA
1 stop14h 05mDelta
Sun 12/710:15 amFRA - ORD
1 stop11h 05mDelta
Deal found 12/3$592
This Delta deal was found by Cheapflights users on 12/3. 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 12/65:20 pmORD - FRA
1 stop10h 55mDelta
Sat 12/1310:15 amFRA - ORD
1 stop11h 05mDelta
Deal found 12/3$595
This KLM deal was found by Cheapflights users on 12/3. 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 12/47:00 amORD - FRA
1 stop17h 50mKLM
Mon 12/1510:15 amFRA - ORD
1 stop11h 05mKLM
Deal found 12/3$596
This Delta deal was found by Cheapflights users on 12/3. 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 12/46:45 amORD - FRA
1 stop18h 55mDelta
Wed 12/179:40 amFRA - ORD
1 stop12h 30mDelta
Deal found 12/3$598
This Delta deal was found by Cheapflights users on 12/3. 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 12/310:36 amORD - FRA
2 stops15h 19mDelta
Sat 12/1310:15 amFRA - ORD
1 stop11h 05mDelta
Deal found 12/3$600
This KLM deal was found by Cheapflights users on 12/3. 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.
Fri 12/54:25 pmORD - FRA
1 stop11h 40mKLM
Thu 12/117:20 pmFRA - ORD
1 stop26h 00mKLM
Deal found 12/3$601
This Delta deal was found by Cheapflights users on 12/3. 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 12/310:45 amORD - FRA
1 stop14h 05mDelta
Tue 12/99:40 amFRA - ORD
1 stop12h 30mDelta
Deal found 12/3$602
This Delta deal was found by Cheapflights users on 12/3. 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 12/310:36 amORD - FRA
2 stops15h 19mDelta
Tue 12/169:40 amFRA - ORD
1 stop12h 30mDelta
Deal found 12/3$605
This Delta deal was found by Cheapflights users on 12/3. 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 12/319:29 amMDW - FRA
1 stop15h 21mDelta
Thu 1/156:55 amFRA - MDW
2 stops18h 37mDelta
Deal found 12/3$605
This Delta deal was found by Cheapflights users on 12/2. 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 12/56:45 amORD - FRA
1 stop18h 05mDelta
Wed 12/106:55 amFRA - ORD
2 stops18h 45mDelta
Deal found 12/2$606
This Delta deal was found by Cheapflights users on 12/3. 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 12/31:14 pmMDW - FRA
1 stop11h 36mDelta
Tue 12/910:15 amFRA - MDW
2 stops14h 45mDelta
Deal found 12/3$606
This Delta deal was found by Cheapflights users on 12/3. 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 12/316:02 pmORD - FRA
2 stops15h 43mDelta
Thu 1/156:55 amFRA - ORD
2 stops17h 31mDelta
Deal found 12/3$609

Find flight deals from Illinois to Frankfurt am Main

Keep the following information in mind while searching for Illinois to Frankfurt am Main flight deals. Data was last updated December 5, 2025.

Round-trip from

$529
(FlightHub)

One-way from

$251
(Kiwi.com)

Popular in

July

Cheapest in

April

Average price

$1,091
From Illinois to Frankfurt am Main
Search Deals
One-way flight from Illinois to Frankfurt am Main
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($110 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($19 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Illinois to Frankfurt am Main 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 December 5, 2025.
Use the filters below to find and compare flights from Illinois to Frankfurt am Main that are best for you.

Fly from

Illinois

Fly to

Frankfurt am Main

Route

Depart

Return

Price

ChicagoFrankfurt am Main

ORD - FRA

ORDFRA

Chicago O'Hare Intl

Mon 3/2

7:20 pm-2:30 pm

1 stop12h 10m

Frankfurt am Main

Sun 3/22

8:30 pm-5:45 pm

1 stop27h 15m

$539

ChicagoFrankfurt am Main

ORD - FRA

ORDFRA

Chicago O'Hare Intl

Wed 2/4

7:00 am-9:50 am

2 stops19h 50m

Frankfurt am Main

Wed 2/11

10:30 am-4:45 pm

1 stop13h 15m

$545

MolineFrankfurt am Main

MLI - FRA

MLIFRA

Moline Quad-City

Wed 1/21

5:51 am-8:40 am

1 stop19h 49m

Frankfurt am Main

Tue 1/27

9:50 am-10:33 pm

1 stop19h 43m

$556

ChicagoFrankfurt am Main

ORD - FRA

ORDFRA

Chicago O'Hare Intl

Sun 1/25

7:01 am-9:50 am

2 stops19h 49m

Frankfurt am Main

Thu 1/29

8:30 pm-4:55 pm

1 stop27h 25m

$557

ChicagoFrankfurt am Main

ORD - FRA

ORDFRA

Chicago O'Hare Intl

Mon 1/19

7:01 am-9:50 am

2 stops19h 49m

Frankfurt am Main

Mon 1/26

10:30 am-9:35 pm

2 stops18h 05m

$586

ChicagoFrankfurt am Main

ORD - FRA

ORDFRA

Chicago O'Hare Intl

Sun 1/25

11:17 am-8:40 am

1 stop14h 23m

Frankfurt am Main

Tue 2/10

6:55 am-9:05 pm

2 stops21h 10m

$596

ChicagoFrankfurt am Main

MDW - FRA

MDWFRA

Chicago Midway

Sun 1/25

10:48 am-8:40 am

1 stop14h 52m

Frankfurt am Main

Tue 2/10

6:55 am-5:55 pm

2 stops18h 00m

$596

ChicagoFrankfurt am Main

ORD - FRA

ORDFRA

Chicago O'Hare Intl

Sun 1/25

7:01 am-9:50 am

2 stops19h 49m

Frankfurt am Main

Tue 2/10

10:30 am-9:35 pm

2 stops18h 05m

$597

ChicagoFrankfurt am Main

ORD - FRA

ORDFRA

Chicago O'Hare Intl

Wed 2/11

5:20 pm-11:15 am

1 stop10h 55m

Frankfurt am Main

Wed 2/25

6:55 am-7:19 pm

2 stops19h 24m

$604

ChicagoFrankfurt am Main

MDW - FRA

MDWFRA

Chicago Midway

Sat 1/17

1:28 pm-7:50 am

1 stop11h 22m

Frankfurt am Main

Sat 1/24

10:15 am-10:22 pm

2 stops19h 07m

$605

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/3

Showing 1-10 of 60 results
1
2
3
...
6

Best time to book a flight from Illinois to Frankfurt am Main

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

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

Currently, April is the cheapest month in which you can book a flight from Illinois to Frankfurt am Main (average of $203). Flying from Illinois to Frankfurt am Main in June is currently the most expensive (average of $882). 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 IL to FRA?

Find hourly flight availability from Illinois to Frankfurt am Main. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 5, 2025.

When flying from Illinois to Frankfurt am Main, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 17% versus a flight in the afternoon.

What is the cheapest day to fly from Illinois to Frankfurt am Main?

Use this chart to determine the cheapest time to fly round-trip from Illinois to Frankfurt am Main. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Illinois to Frankfurt am Main flight should consider departing on Wednesday at noon when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Illinois to Frankfurt am Main

Explore weekly flight availability from Illinois to Frankfurt am Main. 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 December 5, 2025.

The most flights from USIL to FK0 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).

Related info for your journey

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

  • How long is the flight from Illinois to Frankfurt am Main?

    For as low as $539, Scandinavian Airlines can have you in Frankfurt am Main from Illinois in 12h 10m. The distance from Illinois to Frankfurt am Main is about 4328 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    $197 is the cheapest one-way deal found within the past few days, from Scandinavian Airlines. You may also be able to find cheap deals on Icelandair and Lufthansa, with prices starting from $221 and $436, respectively.

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

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

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

    Before booking your flight to Frankfurt am Main from Illinois, check out the most reliable airlines to get you to your destination on time: Air Canada (57%), Lufthansa (56%), United Airlines( 54%).

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

    While on average a flight from Illinois to Frankfurt am Main is generally $2,696, our data shows the cheapest flight currently is $413. When looking at the most popular route, (Chicago O'Hare Intl - Frankfurt am Main), you can expect to pay $437 for that flight.

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

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

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

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

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

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

    Currently, April is the cheapest month in which you can book a flight from Illinois to Frankfurt am Main (average of $203). Flying from Illinois to Frankfurt am Main in June is currently the most expensive (average of $882). 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.

Alternative routes for Illinois to Frankfurt am Main

See prices for flight routes from nearby airports that may be better suited for you.
Newark to Frankfurt flights
John F Kennedy Intl to Frankfurt flights
Dallas/Fort Worth to Frankfurt flights
Dulles Intl to Frankfurt flights
LaGuardia to Frankfurt flights
Newark to Berlin flights
O'Hare Intl to Frankfurt flights
Seattle to Frankfurt flights
John F Kennedy Intl to Munich flights
Los Angeles to Frankfurt flights
San Francisco to Frankfurt flights
Newark to Munich flights
Boston to Frankfurt flights
John F Kennedy Intl to Berlin flights
Miami to Frankfurt flights
Boston to Munich flights
Atlanta to Frankfurt flights
Hobby to Frankfurt flights
O'Hare Intl to Munich flights
Dulles Intl to Munich flights
Denver to Frankfurt flights
Detroit to Frankfurt flights
LaGuardia to Berlin flights
Los Angeles to Munich flights
Orlando to Frankfurt flights
San Francisco to Munich flights
Baltimore to Frankfurt flights
George Bush Intcntl to Frankfurt flights
Tampa to Frankfurt flights
Love Field to Frankfurt flights
Reagan-National to Frankfurt flights
Charlotte to Munich flights
LaGuardia to Munich flights
John F Kennedy Intl to Frankfurt-Hahn flights
Philadelphia to Frankfurt flights
Miami to Munich flights
Seattle to Munich flights
Charlotte to Frankfurt flights
Denver to Munich flights
Dallas/Fort Worth to Munich flights
Midway to Frankfurt flights
Boston to Berlin flights
Ontario to Frankfurt flights
Raleigh to Frankfurt flights
Atlanta to Munich flights
Austin to Frankfurt flights
Santa Ana to Frankfurt flights
Boston to Duesseldorf Intl flights
St. Louis to Frankfurt flights
Los Angeles to Berlin flights

Top 10 airlines flying from Illinois to Frankfurt am Main

Discover the top 10 airlines that operate flights from Illinois to Frankfurt am Main. 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 December 5, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$137Average$791FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$429Average$819FlexibilityNo cancel feeOn-time70%
IcelandairCheapest$467Average$727FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$469Average$593FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$485Average$721FlexibilityNo cancel feeOn-time71%
TAP AIR PORTUGALCheapest$495Average$849FlexibilityNo cancel feeOn-timeN/A
Aer LingusCheapest$572Average$879FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$596Average$886FlexibilityNo cancel feeOn-time75%
Turkish AirlinesCheapest$609Average$698FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$699Average$1,040FlexibilityNo cancel feeOn-time69%

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.