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Frankfurt am Main

$351+ 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 7/14. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — FRA
May 31 — Jun 71
Sun 5/31
Sun 6/7
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 May 1, 2026.

This Cheapflightsfares deal was found by Cheapflights users on 4/27. 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 10/288:20 pm
ORD
-
FRA
1 stop12h 10m
Scandinavian Airlines
Sun 11/810:30 am
FRA
-
ORD
1 stop13h 15m
Scandinavian Airlines
Deal found 4/27$711
This oojo deal was found by Cheapflights users on 4/28. 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.
Tue 11/247:20 pm
ORD
-
FRA
1 stop17h 25m
Scandinavian Airlines
Mon 11/308:30 pm
FRA
-
ORD
1 stop27h 15m
Scandinavian Airlines
Deal found 4/28$720
This Expedia deal was found by Cheapflights users on 4/28. 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 5/117:20 am
ORD
-
FRA
1 stop15h 25m
Multiple Airlines
Fri 5/1512:30 pm
FRA
-
ORD
1 stop15h 23m
Multiple Airlines
Deal found 4/28$721
This CrystalTravel deal was found by Cheapflights users on 5/1. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/17:20 pm
ORD
-
FRA
1 stop17h 25m
Scandinavian Airlines
Sun 11/1510:30 am
FRA
-
ORD
1 stop13h 15m
Scandinavian Airlines
Deal found 5/1$723
This Kiwi.com deal was found by Cheapflights users on 4/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/258:20 pm
ORD
-
FRA
1 stop12h 10m
Scandinavian Airlines
Sun 11/810:30 am
FRA
-
ORD
1 stop13h 15m
Scandinavian Airlines
Deal found 4/27$728
This Cheapflightsfares deal was found by Cheapflights users on 4/27. 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.
Thu 5/78:34 am
ORD
-
FRA
1 stop14h 36m
Multiple Airlines
Mon 5/1112:30 pm
FRA
-
ORD
1 stop15h 23m
Multiple Airlines
Deal found 4/27$730
This Expedia deal was found by Cheapflights users on 4/27. 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.
Wed 5/68:34 am
ORD
-
FRA
1 stop14h 36m
Multiple Airlines
Thu 5/1412:30 pm
FRA
-
ORD
1 stop15h 23m
Multiple Airlines
Deal found 4/27$732
This Cheapflightsfares deal was found by Cheapflights users on 4/30. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/77:20 pm
ORD
-
FRA
1 stop17h 25m
Scandinavian Airlines
Sat 11/1410:55 am
FRA
-
ORD
1 stop12h 50m
Scandinavian Airlines
Deal found 4/30$739
This Expedia deal was found by Cheapflights users on 4/30. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/288:50 am
ORD
-
FRA
1 stop13h 55m
Multiple Airlines
Wed 6/1011:40 am
FRA
-
ORD
1 stop18h 18m
Multiple Airlines
Deal found 4/30$741
This Scandinavian Airlines deal was found by Cheapflights users on 4/29. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/27:20 pm
ORD
-
FRA
1 stop12h 10m
Scandinavian Airlines
Tue 11/1010:30 am
FRA
-
ORD
1 stop13h 15m
Scandinavian Airlines
Deal found 4/29$749
This Condor deal was found by Cheapflights users on 4/27. 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 5/117:40 am
MDW
-
FRA
1 stop15h 05m
Multiple Airlines
Thu 5/1412:30 pm
FRA
-
MDW
1 stop15h 15m
Multiple Airlines
Deal found 4/27$766
This Condor deal was found by Cheapflights users on 4/27. 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 5/117:40 am
MDW
-
FRA
1 stop15h 05m
Multiple Airlines
Tue 5/2612:30 pm
FRA
-
MDW
1 stop14h 40m
Multiple Airlines
Deal found 4/27$770

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 May 1, 2026.

Round-trip from

$711
(Cheapflightsfares)

One-way from

$351
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$1,163
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. 23% potential increase in price ($267 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($30 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
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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 May 1, 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 - FRA

ORDFRA

Chicago O'Hare Intl

Thu 5/7

8:34 am-6:10 am

1 stop14h 36m

Frankfurt am Main

Thu 5/14

12:30 pm-8:53 pm

1 stop15h 23m

$885

St. LouisFrankfurt am Main

STL - FRA

STLFRA

Lambert-St Louis

Thu 9/3

7:00 am-5:45 am

1 stop15h 45m

Frankfurt am Main

Tue 9/8

12:30 pm-7:40 pm

1 stop14h 10m

$909

ChicagoFrankfurt am Main

ORD - HHN

ORDHHN

Chicago O'Hare Intl

Wed 5/27

10:25 pm-12:15 am

3 stops18h 50m

Frankfurt-Hahn

Wed 6/10

11:10 pm-4:00 pm

3 stops47h 50m

$913

ChicagoFrankfurt am Main

ORD - HHN

ORDHHN

Chicago O'Hare Intl

Wed 8/12

7:05 pm-12:15 am

3 stops22h 10m

Frankfurt-Hahn

Fri 8/21

11:25 am-6:15 pm

3 stops37h 50m

$970

St. LouisFrankfurt am Main

STL - FRA

STLFRA

Lambert-St Louis

Thu 5/28

10:15 am-5:45 am

1 stop12h 30m

Frankfurt am Main

Thu 6/4

12:30 pm-8:55 pm

1 stop15h 25m

$981

ChicagoFrankfurt am Main

ORD - HHN

ORDHHN

Chicago O'Hare Intl

Sun 9/27

10:25 pm-11:50 pm

3 stops18h 25m

Frankfurt-Hahn

Fri 10/9

9:15 am-9:15 pm

3 stops43h 00m

$1,002

St. LouisFrankfurt am Main

STL - FRA

STLFRA

Lambert-St Louis

Wed 6/3

10:15 am-5:45 am

1 stop12h 30m

Frankfurt am Main

Tue 6/16

12:30 pm-8:30 pm

1 stop15h 00m

$1,009

ChicagoFrankfurt am Main

ORD - FRA

ORDFRA

Chicago O'Hare Intl

Mon 5/4

8:52 am-9:50 am

1 stop17h 58m

Frankfurt am Main

Thu 5/14

7:00 am-2:15 pm

1 stop14h 15m

$1,065

ChicagoFrankfurt am Main

MDW - FRA

MDWFRA

Chicago Midway

Mon 10/12

1:00 pm-9:50 am

1 stop13h 50m

Frankfurt am Main

Tue 10/20

7:00 am-6:37 pm

2 stops18h 37m

$1,081

ChicagoFrankfurt am Main

MDW - FRA

MDWFRA

Chicago Midway

Thu 9/17

10:35 am-8:55 am

1 stop15h 20m

Frankfurt am Main

Fri 10/2

11:00 am-6:31 pm

1 stop14h 31m

$1,143

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/27

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

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.

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

Currently, September is the cheapest month in which you can book a flight from Illinois to Frankfurt am Main (average of $137). Flying from Illinois to Frankfurt am Main in July is currently the most expensive (average of $581). 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 May 1, 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 May 1, 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?

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 $1,148, Delta can have you in Frankfurt am Main from Illinois in 13h 45m. The distance from Illinois to Frankfurt am Main is about 4331 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?

    $199 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, 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 (79%), United Airlines (74%), Lufthansa( 68%).

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

    While on average a flight from Illinois to Frankfurt am Main is generally $1,658, our data shows the cheapest flight currently is $375. When looking at the most popular route, (Chicago O'Hare Intl - Frankfurt am Main), you can expect to pay $691 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, September is the cheapest month in which you can book a flight from Illinois to Frankfurt am Main (average of $137). Flying from Illinois to Frankfurt am Main in July is currently the most expensive (average of $581). 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 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 May 1, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$137Average$653FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$415Average$816FlexibilityNo cancel feeOn-time70%
TAP AIR PORTUGALCheapest$431Average$804FlexibilityNo cancel feeOn-timeN/A
LOTCheapest$462Average$1,076FlexibilityNo cancel feeOn-time81%
IcelandairCheapest$467Average$730FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$477Average$596FlexibilityNo cancel feeOn-time77%
Aer LingusCheapest$594Average$861FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$596Average$886FlexibilityNo cancel feeOn-time75%
Turkish AirlinesCheapest$643Average$761FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$726Average$983FlexibilityNo cancel feeOn-time76%

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