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Frankfurt am Main

$235+ 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 11/28. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — FRA
Nov 16 — Nov 231
Sun 11/16
Sun 11/23
1 adult, Economy
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Find 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 October 17, 2025.

This Condor deal was found by Cheapflights users on 10/16. 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 Condor is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/67:45 amORD - FRA
1 stop15h 10mMultiple Airlines
Thu 11/2011:15 amFRA - ORD
1 stop18h 06mMultiple Airlines
Deal found 10/16$576
This Booking.com deal was found by Cheapflights users on 10/16. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/253:50 pmORD - FRA
1 stop11h 15mAer Lingus
Thu 12/1110:45 amFRA - ORD
1 stop14h 10mAer Lingus
Deal found 10/16$579
This oojo deal was found by Cheapflights users on 10/14. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/126:33 pmORD - FRA
2 stops42h 12mScandinavian Airlines
Wed 11/193:15 pmFRA - ORD
1 stop32h 30mScandinavian Airlines
Deal found 10/14$580
This FlightHub deal was found by Cheapflights users on 10/15. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/103:50 pmORD - FRA
1 stop11h 15mAer Lingus
Fri 11/1410:45 amFRA - ORD
1 stop14h 10mAer Lingus
Deal found 10/15$586
This FlightHub deal was found by Cheapflights users on 10/14. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/107:10 pmORD - FRA
1 stop34h 20mTAP AIR PORTUGAL
Sun 1/116:00 amFRA - ORD
1 stop15h 45mTAP AIR PORTUGAL
Deal found 10/14$589
This oojo deal was found by Cheapflights users on 10/16. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/157:20 pmORD - FRA
1 stop12h 10mScandinavian Airlines
Tue 12/163:15 pmFRA - ORD
1 stop32h 30mScandinavian Airlines
Deal found 10/16$593
This Mytrip deal was found by Cheapflights users on 10/15. 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.
Fri 11/79:50 pmORD - HHN
2 stops18h 35mMultiple Airlines
Mon 11/1011:40 pmHHN - ORD
2 stops25h 45mMultiple Airlines
Deal found 10/15$598
This Booking.com deal was found by Cheapflights users on 10/15. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/53:50 pmORD - FRA
1 stop11h 15mAer Lingus
Sun 11/910:45 amFRA - ORD
1 stop14h 10mAer Lingus
Deal found 10/15$599
This FlightHub deal was found by Cheapflights users on 10/15. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/53:50 pmORD - FRA
1 stop11h 15mAer Lingus
Wed 11/1210:45 amFRA - ORD
1 stop14h 10mAer Lingus
Deal found 10/15$605
This FlightHub deal was found by Cheapflights users on 10/14. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/27:40 pmORD - FRA
1 stop16h 40mAer Lingus
Sat 12/1310:45 amFRA - ORD
1 stop14h 10mAer Lingus
Deal found 10/14$606
This flugladen.de deal was found by Cheapflights users on 10/15. 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/37:20 pmORD - FRA
1 stop12h 10mScandinavian Airlines
Fri 11/78:30 pmFRA - ORD
1 stop27h 15mScandinavian Airlines
Deal found 10/15$608
This Expedia deal was found by Cheapflights users on 10/16. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/171:55 pmSTL - FRA
2 stops17h 35mScandinavian Airlines
Wed 12/33:15 pmFRA - STL
2 stops36h 47mScandinavian Airlines
Deal found 10/16$627

Cheap 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 October 17, 2025.

Round-trip from

$576
(Condor)

One-way from

$235
(Mytrip)

Popular in

July

Cheapest in

April

Average price

$878
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. 10% potential increase in price ($107 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($21 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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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 October 17, 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 2/23

7:30 am-9:50 am

2 stops19h 20m

Frankfurt am Main

Thu 2/26

8:30 pm-9:35 pm

2 stops32h 05m

$576

ChicagoFrankfurt am Main

ORD - FRA

ORDFRA

Chicago O'Hare Intl

Mon 1/12

7:20 pm-7:45 pm

1 stop17h 25m

Frankfurt am Main

Wed 1/28

10:30 am-4:45 pm

1 stop13h 15m

$578

ChicagoFrankfurt am Main

ORD - FRA

ORDFRA

Chicago O'Hare Intl

Mon 1/12

7:20 pm-7:45 pm

1 stop17h 25m

Frankfurt am Main

Mon 1/26

10:30 am-4:45 pm

1 stop13h 15m

$578

ChicagoFrankfurt am Main

ORD - FRA

ORDFRA

Chicago O'Hare Intl

Sun 2/1

7:30 am-9:50 am

2 stops19h 20m

Frankfurt am Main

Sun 2/8

10:30 am-4:55 pm

1 stop13h 25m

$585

ChicagoFrankfurt am Main

ORD - FRA

ORDFRA

Chicago O'Hare Intl

Wed 2/25

10:40 am-9:50 am

2 stops16h 10m

Frankfurt am Main

Sat 2/28

10:55 am-4:45 pm

1 stop12h 50m

$585

ChicagoFrankfurt am Main

ORD - FRA

ORDFRA

Chicago O'Hare Intl

Fri 1/30

10:40 am-9:50 am

2 stops16h 10m

Frankfurt am Main

Sun 2/15

10:30 am-4:55 pm

1 stop13h 25m

$596

ChicagoFrankfurt am Main

ORD - FRA

ORDFRA

Chicago O'Hare Intl

Wed 1/14

10:40 am-11:40 am

2 stops18h 00m

Frankfurt am Main

Wed 1/28

10:30 am-4:45 pm

1 stop13h 15m

$607

ChicagoFrankfurt am Main

ORD - FRA

ORDFRA

Chicago O'Hare Intl

Wed 2/4

7:20 pm-2:30 pm

1 stop12h 10m

Frankfurt am Main

Wed 2/11

10:30 am-9:35 pm

2 stops18h 05m

$616

ChicagoFrankfurt am Main

ORD - FRA

ORDFRA

Chicago O'Hare Intl

Sun 3/1

7:20 pm-9:50 am

1 stop31h 30m

Frankfurt am Main

Thu 3/5

11:15 am-4:45 pm

1 stop12h 30m

$618

St. LouisFrankfurt am Main

STL - FRA

STLFRA

Lambert-St Louis

Mon 11/10

1:55 pm-7:45 pm

2 stops22h 50m

Frankfurt am Main

Sun 11/16

3:15 pm-11:44 pm

2 stops39h 29m

$628

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/15

Showing 1-10 of 60 results
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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 $878). 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 October 17, 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 18% 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. Sunday mornings 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 October 17, 2025.

The most flights from USIL to FK0 are scheduled on a Monday (13 on average). You will have fewer flight options on Friday, 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 $839, Scandinavian Airlines can have you in Frankfurt am Main from Illinois in 14h 54m. The distance from Illinois to Frankfurt am Main is about 4577 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?

    $245 is the cheapest one-way deal found within the past few days, from TAP AIR PORTUGAL. You may also be able to find cheap deals on Scandinavian Airlines and Lufthansa, with prices starting from $264 and $422, 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, Lambert-St Louis - Frankfurt am Main or Chicago Midway - 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 (63%), United Airlines (63%), Lufthansa( 61%).

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

    While on average a flight from Illinois to Frankfurt am Main is generally $2,604, our data shows the cheapest flight currently is $416. When looking at the most popular route, (Chicago O'Hare Intl - Frankfurt am Main), you can expect to pay $493 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 $878). 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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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 October 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$137Average$791FlexibilityNo cancel feeOn-timeN/A
Scandinavian AirlinesCheapest$333Average$580FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$429Average$793FlexibilityNo cancel feeOn-time70%
IcelandairCheapest$467Average$730FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$485Average$721FlexibilityNo cancel feeOn-time71%
TAP AIR PORTUGALCheapest$495Average$804FlexibilityNo cancel feeOn-timeN/A
Aer LingusCheapest$583Average$845FlexibilityNo cancel feeOn-timeN/A
Turkish AirlinesCheapest$623Average$697FlexibilityNo cancel feeOn-time77%
KLMCheapest$652Average$886FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$699Average$1,052FlexibilityNo cancel feeOn-time69%

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