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Frankfurt am Main

$255+ 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 10/24. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — FRA
Sep 3 — Sep 101
Thu 9/3
Thu 9/10
1 adult, Economy
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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 August 4, 2026.

This Condor deal was found by Cheapflights users on 8/2. 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 Condor is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/110:25 am
STL
-
FRA
1 stop12h 20m
Multiple Airlines
Tue 9/1512:30 pm
FRA
-
STL
1 stop14h 15m
Multiple Airlines
Deal found 8/2$680
This FlightHub deal was found by Cheapflights users on 8/3. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2511:01 am
ORD
-
FRA
1 stop11h 44m
Multiple Airlines
Tue 9/812:30 pm
FRA
-
ORD
1 stop13h 55m
Multiple Airlines
Deal found 8/3$686
This Cheapflightsfares deal was found by Cheapflights users on 8/3. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/146:30 pm
ORD
-
FRA
1 stop10h 40m
Icelandair
Sat 11/211:05 pm
FRA
-
ORD
1 stop11h 15m
Icelandair
Deal found 8/3$695
This Cheapflightsfares deal was found by Cheapflights users on 8/3. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/211:01 am
ORD
-
FRA
1 stop11h 44m
Multiple Airlines
Fri 9/1112:30 pm
FRA
-
ORD
1 stop13h 31m
Multiple Airlines
Deal found 8/3$697
This Condor deal was found by Cheapflights users on 8/3. 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 Condor is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/111:01 am
ORD
-
FRA
1 stop11h 44m
Multiple Airlines
Tue 9/812:30 pm
FRA
-
ORD
1 stop13h 55m
Multiple Airlines
Deal found 8/3$703
This deal was found by Cheapflights users on 7/30. 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.
Mon 11/26:30 pm
ORD
-
FRA
1 stop10h 40m
Icelandair
Fri 11/201:05 pm
FRA
-
ORD
1 stop11h 15m
Icelandair
Deal found 7/30$704
This Gotogate deal was found by Cheapflights users on 8/1. 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.
Sun 8/2310:25 pm
ORD
-
FRA
1 stop25h 00m
Multiple Airlines
Mon 9/144:55 pm
FRA
-
ORD
1 stop33h 55m
Multiple Airlines
Deal found 8/1$707
This Gotogate deal was found by Cheapflights users on 7/30. 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 8/317:25 pm
ORD
-
FRA
1 stop10h 35m
Multiple Airlines
Mon 9/1410:40 am
FRA
-
ORD
1 stop35h 30m
Multiple Airlines
Deal found 7/30$708
This Icelandair 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/287:30 pm
ORD
-
FRA
1 stop10h 40m
Icelandair
Sun 11/11:05 pm
FRA
-
ORD
1 stop11h 15m
Icelandair
Deal found 7/29$710
This Justfly.com deal was found by Cheapflights users on 8/1. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/316:00 am
ORD
-
FRA
1 stop17h 10m
Multiple Airlines
Sat 9/1212:30 pm
FRA
-
ORD
1 stop13h 31m
Multiple Airlines
Deal found 8/1$711
This Gotogate deal was found by Cheapflights users on 8/2. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/206:00 pm
ORD
-
FRA
1 stop21h 20m
TAP AIR PORTUGAL
Tue 10/67:40 pm
FRA
-
ORD
1 stop27h 20m
TAP AIR PORTUGAL
Deal found 8/2$713
This Condor deal was found by Cheapflights users on 8/2. 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 Condor is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/248:15 am
MDW
-
FRA
1 stop14h 30m
Multiple Airlines
Fri 8/2812:30 pm
FRA
-
MDW
1 stop16h 30m
Multiple Airlines
Deal found 8/2$714

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 August 4, 2026.

Round-trip from

$680
(Condor)

One-way from

$255
(oojo)

Popular in

June

Cheapest in

February

Average price

$916
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. 30% potential increase in price ($423 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($66 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2026
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 August 4, 2026.
Use the filters below to find and compare flights from Illinois to Frankfurt am Main that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoFrankfurt am Main

ORD - HHN

ORDHHN

Chicago O'Hare Intl

Wed 9/16

7:25 pm-12:15 am

3 stops21h 50m

Frankfurt-Hahn

Wed 9/30

11:15 pm-6:15 pm

3 stops26h 00m

$735

ChicagoFrankfurt am Main

ORD - HHN

ORDHHN

Chicago O'Hare Intl

Wed 10/14

10:25 pm-12:15 am

3 stops18h 50m

Frankfurt-Hahn

Tue 10/27

9:50 am-5:45 pm

3 stops37h 55m

$779

ChicagoFrankfurt am Main

ORD - HHN

ORDHHN

Chicago O'Hare Intl

Wed 9/16

7:25 pm-12:15 am

3 stops21h 50m

Frankfurt-Hahn

Wed 9/23

8:50 am-9:25 pm

2 stops19h 35m

$801

ChicagoFrankfurt am Main

ORD - HHN

ORDHHN

Chicago O'Hare Intl

Wed 9/23

10:25 pm-12:15 am

3 stops18h 50m

Frankfurt-Hahn

Tue 9/29

11:55 am-7:15 pm

3 stops38h 20m

$803

ChicagoFrankfurt am Main

ORD - HHN

ORDHHN

Chicago O'Hare Intl

Wed 10/28

7:30 pm-12:10 am

3 stops22h 40m

Frankfurt-Hahn

Tue 11/10

11:00 am-3:30 pm

3 stops35h 30m

$809

ChicagoFrankfurt am Main

ORD - HHN

ORDHHN

Chicago O'Hare Intl

Wed 10/21

8:45 am-9:05 pm

2 stops29h 20m

Frankfurt-Hahn

Mon 11/2

7:15 pm-5:20 pm

3 stops29h 05m

$840

ChicagoFrankfurt am Main

ORD - FRA

ORDFRA

Chicago O'Hare Intl

Wed 9/9

6:00 am-2:35 pm

2 stops25h 35m

Frankfurt am Main

Sat 10/3

3:20 pm-4:10 pm

1 stop31h 50m

$853

St. LouisFrankfurt am Main

STL - FRA

STLFRA

Lambert-St Louis

Mon 11/30

7:30 am-1:45 pm

1 stop23h 15m

Frankfurt am Main

Tue 1/12

5:10 pm-3:26 pm

1 stop29h 16m

$870

ChicagoFrankfurt am Main

ORD - FRA

ORDFRA

Chicago O'Hare Intl

Fri 12/4

7:15 pm-7:45 pm

1 stop17h 30m

Frankfurt am Main

Fri 12/11

8:30 pm-4:45 pm

1 stop27h 15m

$870
Quickest round-trip

St. LouisFrankfurt am Main

STL - FRA

STLFRA

Lambert-St Louis

Fri 1/8

3:40 pm-7:30 am

Nonstop8h 50m

Frankfurt am Main

Fri 1/22

10:45 am-1:45 pm

Nonstop10h 00m

$922

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/2

Showing 1-10 of 60 resultsSorted by cheapest first
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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, February is the cheapest month in which you can book a flight from Illinois to Frankfurt am Main (average of $574). Flying from Illinois to Frankfurt am Main in July is currently the most expensive (average of $1,256). 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 August 4, 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Illinois to Frankfurt am Main as you normally would.

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 August 4, 2026.

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

How much does it cost to fly round-trip from Illinois to Frankfurt am Main?

Airfare is below average for this route at the moment.
Illinois to Frankfurt am Main flights typically cost between $771 and $1,362 in August.
The cheapest round-trip price found within the last 5 days was $686 on Multiple Airlines (Aug 25-Sep 8).

How far ahead should I book a flight from Illinois to Frankfurt am Main?

To ensure you get the cheapest price possible for a flight from Illinois to Frankfurt am Main, you should look to book at least 28 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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 $927, Scandinavian Airlines can have you in Frankfurt am Main from Illinois in 14h 39m. The distance from Illinois to Frankfurt am Main is about 4449 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?

    $274 is the cheapest one-way deal found within the past few days, from Icelandair. You may also be able to find cheap deals on Aer Lingus and Scandinavian Airlines, with prices starting from $350 and $358, 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 (56%), United Airlines (56%), Lufthansa( 56%).

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

    While on average a flight from Illinois to Frankfurt am Main is generally $2,703, our data shows the cheapest flight currently is $401. When looking at the most popular route, (Chicago O'Hare Intl - Frankfurt am Main), you can expect to pay $640 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, February is the cheapest month in which you can book a flight from Illinois to Frankfurt am Main (average of $574). Flying from Illinois to Frankfurt am Main in July is currently the most expensive (average of $1,256). 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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Top 8 airlines flying from Illinois to Frankfurt am Main

Discover the top 8 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 August 4, 2026.
AirlineCheapestAverageFlexibilityOn-time
TAP AIR PORTUGALCheapest$431Average$815FlexibilityNo cancel feeOn-timeN/A
LOTCheapest$462Average$1,052FlexibilityNo cancel feeOn-time81%
IcelandairCheapest$473Average$711FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$522Average$747FlexibilityNo cancel feeOn-time77%
Aer LingusCheapest$572Average$867FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$607Average$1,118FlexibilityNo cancel feeOn-time69%
Turkish AirlinesCheapest$643Average$771FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$756Average$1,245FlexibilityNo cancel feeOn-time76%

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