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Frankfurt am Main

$342+ 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 8/24. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — FRA
Jul 4 — Jul 111
Sat 7/4
Sat 7/11
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 June 4, 2026.

This Cheapflightsfares deal was found by Cheapflights users on 6/3. 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.
Tue 9/110:56 am
ORD
-
FRA
1 stop11h 49m
Multiple Airlines
Mon 9/1412:30 pm
FRA
-
ORD
1 stop13h 52m
Multiple Airlines
Deal found 6/3$783
This Cheapflightsfares deal was found by Cheapflights users on 6/3. 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 9/196:30 am
ORD
-
FRA
1 stop16h 40m
Multiple Airlines
Fri 9/2511:40 am
FRA
-
ORD
1 stop17h 26m
Multiple Airlines
Deal found 6/3$784
This FlightHub deal was found by Cheapflights users on 6/2. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/37:15 pm
ORD
-
FRA
1 stop31h 30m
Scandinavian Airlines
Thu 12/1710:30 am
FRA
-
ORD
1 stop13h 15m
Scandinavian Airlines
Deal found 6/2$787
This Expedia deal was found by Cheapflights users on 6/3. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/86:00 am
ORD
-
FRA
2 stops21h 15m
JetBlue
Mon 8/248:40 pm
FRA
-
ORD
2 stops27h 40m
JetBlue
Deal found 6/3$788
This Cheapflightsfares deal was found by Cheapflights users on 6/2. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/236:00 am
ORD
-
FRA
1 stop17h 10m
Multiple Airlines
Tue 8/1811:40 am
FRA
-
ORD
1 stop17h 15m
Multiple Airlines
Deal found 6/2$796
This oojo deal was found by Cheapflights users on 6/2. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/217:15 pm
ORD
-
FRA
1 stop12h 20m
Scandinavian Airlines
Mon 11/28:30 pm
FRA
-
ORD
1 stop27h 15m
Scandinavian Airlines
Deal found 6/2$797
This Condor deal was found by Cheapflights users on 6/3. 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.
Sun 9/138:20 am
STL
-
FRA
1 stop14h 25m
Multiple Airlines
Mon 9/2112:30 pm
FRA
-
STL
1 stop14h 15m
Multiple Airlines
Deal found 6/3$802
This Scandinavian Airlines deal was found by Cheapflights users on 5/30. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/67:00 am
ORD
-
FRA
2 stops19h 45m
Scandinavian Airlines
Tue 12/153:15 pm
FRA
-
ORD
1 stop32h 40m
Scandinavian Airlines
Deal found 5/30$804
This FlightHub deal was found by Cheapflights users on 6/1. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1410:30 am
ORD
-
FRA
2 stops21h 05m
Scandinavian Airlines
Tue 10/278:30 pm
FRA
-
ORD
1 stop27h 15m
Scandinavian Airlines
Deal found 6/1$805
This Mytrip deal was found by Cheapflights users on 6/3. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/57:25 pm
ORD
-
HHN
2 stops19h 35m
Multiple Airlines
Sun 10/1812:30 am
HHN
-
ORD
3 stops24h 45m
Multiple Airlines
Deal found 6/3$805
This Cheapflightsfares deal was found by Cheapflights users on 6/2. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/206:00 am
ORD
-
FRA
1 stop17h 10m
Multiple Airlines
Tue 9/812:30 pm
FRA
-
ORD
1 stop13h 55m
Multiple Airlines
Deal found 6/2$807
This Scandinavian Airlines deal was found by Cheapflights users on 6/1. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/107:15 pm
ORD
-
FRA
1 stop17h 30m
Scandinavian Airlines
Wed 9/238:30 pm
FRA
-
ORD
2 stops32h 52m
Scandinavian Airlines
Deal found 6/1$809

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 June 4, 2026.

Round-trip from

$783
(Cheapflightsfares)

One-way from

$342
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$1,331
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. 25% potential increase in price ($311 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($41 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 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 June 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

St. LouisFrankfurt am Main

STL - FRA

STLFRA

Lambert-St Louis

Sun 9/13

8:20 am-5:45 am

1 stop14h 25m

Frankfurt am Main

Mon 9/21

12:30 pm-7:45 pm

1 stop14h 15m

$802

ChicagoFrankfurt am Main

ORD - HHN

ORDHHN

Chicago O'Hare Intl

Thu 8/20

7:25 pm-1:10 am

3 stops22h 45m

Frankfurt-Hahn

Tue 9/8

11:55 am-6:15 pm

3 stops37h 20m

$815

ChicagoFrankfurt am Main

ORD - HHN

ORDHHN

Chicago O'Hare Intl

Tue 8/18

7:25 pm-11:55 pm

3 stops21h 30m

Frankfurt-Hahn

Tue 9/8

11:55 am-6:15 pm

3 stops37h 20m

$829

ChicagoFrankfurt am Main

ORD - HHN

ORDHHN

Chicago O'Hare Intl

Wed 7/22

7:25 pm-12:15 am

3 stops21h 50m

Frankfurt-Hahn

Wed 8/12

8:50 am-12:40 pm

3 stops34h 50m

$838

ChicagoFrankfurt am Main

ORD - HHN

ORDHHN

Chicago O'Hare Intl

Thu 8/20

7:25 pm-1:10 am

3 stops22h 45m

Frankfurt-Hahn

Sun 8/23

12:30 am-9:25 pm

3 stops27h 55m

$845

ChicagoFrankfurt am Main

ORD - HHN

ORDHHN

Chicago O'Hare Intl

Tue 8/18

11:05 am-12:55 am

3 stops30h 50m

Frankfurt-Hahn

Tue 8/25

5:15 pm-2:45 pm

2 stops28h 30m

$851

St. LouisFrankfurt am Main

STL - FRA

STLFRA

Lambert-St Louis

Wed 11/25

2:50 pm-2:05 pm

2 stops16h 15m

Frankfurt am Main

Wed 12/2

10:55 am-6:03 pm

1 stop14h 08m

$858

ChicagoFrankfurt am Main

ORD - HHN

ORDHHN

Chicago O'Hare Intl

Tue 9/1

10:25 pm-12:55 am

3 stops19h 30m

Frankfurt-Hahn

Thu 9/10

6:15 am-4:00 pm

3 stops40h 45m

$877

St. LouisFrankfurt am Main

STL - FRA

STLFRA

Lambert-St Louis

Sat 9/19

12:46 pm-8:45 am

1 stop12h 59m

Frankfurt am Main

Mon 9/28

7:20 pm-7:07 pm

2 stops30h 47m

$941

MolineFrankfurt am Main

MLI - FRA

MLIFRA

Moline Quad-City

Mon 11/23

11:00 am-7:50 am

1 stop13h 50m

Frankfurt am Main

Mon 11/30

6:55 am-10:30 pm

2 stops22h 35m

$952

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/30

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, 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 August is currently the most expensive (average of $483). 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 June 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 June 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?

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 $941, British Airways can have you in Frankfurt am Main from Illinois in 12h 59m. 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?

    $251 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 (67%), United Airlines (63%), Lufthansa( 63%).

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

    While on average a flight from Illinois to Frankfurt am Main is generally $1,644, our data shows the cheapest flight currently is $434. When looking at the most popular route, (Chicago O'Hare Intl - Frankfurt am Main), you can expect to pay $698 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 August is currently the most expensive (average of $483). 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 June 4, 2026.
AirlineCheapestAverageFlexibilityOn-time
TAP AIR PORTUGALCheapest$431Average$815FlexibilityNo cancel feeOn-timeN/A
LOTCheapest$462Average$1,052FlexibilityNo cancel feeOn-time81%
IcelandairCheapest$467Average$739FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$489Average$602FlexibilityNo cancel feeOn-time77%
Aer LingusCheapest$581Average$866FlexibilityNo cancel feeOn-timeN/A
Turkish AirlinesCheapest$643Average$789FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$744Average$1,044FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$744Average$1,054FlexibilityNo cancel feeOn-time76%

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