Frankfurt am Main

$242+ 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 3/28. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — FRA
Mar 5 — Mar 121
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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 February 3, 2026.

This oojo deal was found by Cheapflights users on 2/3. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/47:10 pm
ORD
-
FRA
1 stop20h 30m
TAP AIR PORTUGAL
Wed 3/186:00 am
FRA
-
ORD
1 stop16h 00m
TAP AIR PORTUGAL
Deal found 2/3$498
This oojo deal was found by Cheapflights users on 2/1. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/296:00 pm
ORD
-
FRA
1 stop21h 20m
TAP AIR PORTUGAL
Wed 5/66:05 am
FRA
-
ORD
1 stop16h 55m
TAP AIR PORTUGAL
Deal found 2/1$500
This oojo deal was found by Cheapflights users on 2/2. 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 4/296:00 pm
ORD
-
FRA
1 stop21h 20m
TAP AIR PORTUGAL
Fri 5/81:30 pm
FRA
-
ORD
1 stop33h 45m
TAP AIR PORTUGAL
Deal found 2/2$507
This FlightHub deal was found by Cheapflights users on 2/2. 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.
Wed 4/156:00 pm
ORD
-
FRA
1 stop21h 20m
TAP AIR PORTUGAL
Fri 5/17:40 pm
FRA
-
ORD
1 stop27h 35m
TAP AIR PORTUGAL
Deal found 2/2$518
This Kiwi.com deal was found by Cheapflights users on 1/31. 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.
Wed 3/47:10 pm
ORD
-
FRA
1 stop14h 45m
TAP AIR PORTUGAL
Tue 3/105:45 pm
FRA
-
ORD
1 stop28h 15m
TAP AIR PORTUGAL
Deal found 1/31$521
This FlightHub deal was found by Cheapflights users on 2/2. 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.
Fri 2/208:15 pm
ORD
-
FRA
1 stop33h 15m
TAP AIR PORTUGAL
Sun 3/86:00 am
FRA
-
ORD
1 stop15h 45m
TAP AIR PORTUGAL
Deal found 2/2$522
This Kiwi.com deal was found by Cheapflights users on 2/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/176:00 pm
ORD
-
FRA
1 stop17h 40m
TAP AIR PORTUGAL
Tue 4/287:40 pm
FRA
-
ORD
1 stop27h 20m
TAP AIR PORTUGAL
Deal found 2/1$526
This Kiwi.com deal was found by Cheapflights users on 2/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/226:00 pm
ORD
-
FRA
1 stop17h 40m
TAP AIR PORTUGAL
Tue 4/287:40 pm
FRA
-
ORD
1 stop27h 20m
TAP AIR PORTUGAL
Deal found 2/1$527
This CrystalTravel deal was found by Cheapflights users on 2/2. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/27:20 pm
ORD
-
FRA
1 stop17h 25m
Scandinavian Airlines
Mon 3/911:05 am
FRA
-
ORD
1 stop12h 40m
Scandinavian Airlines
Deal found 2/2$532
This CrystalTravel deal was found by Cheapflights users on 2/1. 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.
Fri 11/277:20 pm
ORD
-
FRA
1 stop17h 25m
Scandinavian Airlines
Sat 12/1210:55 am
FRA
-
ORD
1 stop12h 50m
Scandinavian Airlines
Deal found 2/1$549
This BusinessClass deal was found by Cheapflights users on 2/2. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/26:15 pm
ORD
-
FRA
1 stop35h 15m
TAP AIR PORTUGAL
Sun 5/106:05 am
FRA
-
ORD
1 stop16h 55m
TAP AIR PORTUGAL
Deal found 2/2$551
This oojo deal was found by Cheapflights users on 2/3. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/268:20 pm
ORD
-
FRA
1 stop31h 25m
Scandinavian Airlines
Sat 10/313:15 pm
FRA
-
ORD
1 stop32h 30m
Scandinavian Airlines
Deal found 2/3$552

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 February 3, 2026.

Round-trip from

$498
(oojo)

One-way from

$242
(Kiwi.com)

Popular in

May

Cheapest in

February

Average price

$652
From Illinois to Frankfurt am Main
One-way flight from Illinois to Frankfurt am Main
Highest demand for flights based on searches. 9% potential increase in price ($97 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($22 potential savings vs. average RT price).
Average for round-trip flights in February 2026

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 February 3, 2026.
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 - HHN

ORDHHN

Chicago O'Hare Intl

Thu 2/5

11:50 am-6:10 pm

2 stops23h 20m

Frankfurt-Hahn

Sat 2/7

6:50 am-10:05 am

2 stops34h 15m

$661

ChicagoFrankfurt am Main

ORD - HHN

ORDHHN

Chicago O'Hare Intl

Wed 3/11

12:50 pm-9:45 pm

2 stops26h 55m

Frankfurt-Hahn

Wed 3/18

7:15 am-11:05 am

2 stops33h 50m

$667

ChicagoFrankfurt am Main

ORD - FRA

ORDFRA

Chicago O'Hare Intl

Mon 3/16

8:20 pm-7:45 pm

1 stop17h 25m

Frankfurt am Main

Thu 3/19

7:55 am-9:49 pm

2 stops19h 54m

$698

ChicagoFrankfurt am Main

ORD - FRA

ORDFRA

Chicago O'Hare Intl

Sat 8/1

7:15 pm-7:45 pm

1 stop17h 30m

Frankfurt am Main

Sat 10/31

8:30 pm-5:45 pm

1 stop27h 15m

$704

ChicagoFrankfurt am Main

ORD - FRA

ORDFRA

Chicago O'Hare Intl

Thu 2/19

7:20 pm-2:30 pm

1 stop12h 10m

Frankfurt am Main

Sat 5/2

7:00 am-9:56 pm

2 stops21h 56m

$712

ChicagoFrankfurt am Main

ORD - FRA

ORDFRA

Chicago O'Hare Intl

Sat 3/28

7:50 pm-1:35 pm

1 stop11h 45m

Frankfurt am Main

Sat 4/4

3:20 pm-9:25 am

2 stops49h 05m

$722

ChicagoFrankfurt am Main

ORD - FRA

ORDFRA

Chicago O'Hare Intl

Wed 3/18

8:20 pm-2:30 pm

1 stop12h 10m

Frankfurt am Main

Mon 3/23

7:55 am-9:49 pm

2 stops19h 54m

$728

ChicagoFrankfurt am Main

ORD - FRA

ORDFRA

Chicago O'Hare Intl

Sun 3/15

8:20 pm-7:45 pm

1 stop17h 25m

Frankfurt am Main

Mon 3/23

7:55 am-9:49 pm

2 stops19h 54m

$728

ChicagoFrankfurt am Main

ORD - HHN

ORDHHN

Chicago O'Hare Intl

Sun 4/19

7:25 pm-11:50 pm

3 stops21h 25m

Frankfurt-Hahn

Tue 4/21

5:15 pm-4:00 pm

2 stops29h 45m

$742

ChicagoFrankfurt am Main

ORD - FRA

ORDFRA

Chicago O'Hare Intl

Tue 2/17

6:30 pm-12:05 pm

1 stop10h 35m

Frankfurt am Main

Sun 5/3

2:00 pm-6:15 pm

1 stop11h 15m

$752

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/2

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, February is the cheapest month in which you can book a flight from Illinois to Frankfurt am Main (average of $461). Flying from Illinois to Frankfurt am Main in June is currently the most expensive (average of $822). 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 February 3, 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 February 3, 2026.

The most flights from USIL to FK0 are scheduled on a Monday (10 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (4 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 $704, Scandinavian Airlines can have you in Frankfurt am Main from Illinois in 17h 30m. 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 Singapore Airlines, with prices starting from $221 and $350, respectively.

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

  • 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: Lufthansa (52%), Air Canada (46%), United Airlines( 46%).

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

    While on average a flight from Illinois to Frankfurt am Main is generally $2,624, our data shows the cheapest flight currently is $304. When looking at the most popular route, (Chicago O'Hare Intl - Frankfurt am Main), you can expect to pay $476 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 $461). Flying from Illinois to Frankfurt am Main in June is currently the most expensive (average of $822). 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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Alternative routes for Illinois to Frankfurt am Main

See prices for flight routes from nearby airports that may be better suited for you.

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 February 3, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$137Average$791FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$415Average$834FlexibilityNo cancel feeOn-time70%
TAP AIR PORTUGALCheapest$431Average$778FlexibilityNo cancel feeOn-timeN/A
LOTCheapest$462Average$1,076FlexibilityNo cancel feeOn-time81%
IcelandairCheapest$467Average$686FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$477Average$587FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$485Average$721FlexibilityNo cancel feeOn-time71%
Aer LingusCheapest$501Average$843FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$596Average$886FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$607Average$1,068FlexibilityNo cancel feeOn-time69%

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