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Frankfurt am Main

$241+ 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 1/19. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — FRA
dic. 5 — dic. 121
vie. 12/5
vie. 12/12
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 noviembre 5, 2025.

This KLM deal was found by Cheapflights users on 11/5. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/56:00 amMLI - FRA
1 stop19h 40mKLM
mié. 11/1210:40 amFRA - MLI
2 stops18h 55mKLM
Deal found 11/5$560
This AirNGo deal was found by Cheapflights users on 11/2. 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 AirNGo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 12/146:30 pmORD - FRA
1 stop10h 35mIcelandair
jue. 1/81:05 pmFRA - ORD
1 stop11h 15mIcelandair
Deal found 11/2$589
This oojo deal was found by Cheapflights users on 11/4. 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.
mié. 12/107:10 pmORD - FRA
1 stop14h 45mTAP AIR PORTUGAL
dom. 1/116:00 amFRA - ORD
1 stop15h 45mTAP AIR PORTUGAL
Deal found 11/4$591
This Jetabroad deal was found by Cheapflights users on 11/2. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 11/167:10 amORD - FRA
2 stops29h 35mScandinavian Airlines
sáb. 11/223:15 pmFRA - ORD
1 stop32h 30mScandinavian Airlines
Deal found 11/2$592
This CrystalTravel deal was found by Cheapflights users on 11/4. 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.
dom. 11/306:30 pmORD - FRA
1 stop10h 35mIcelandair
mar. 3/312:00 pmFRA - ORD
1 stop11h 15mIcelandair
Deal found 11/4$597
This Mytrip deal was found by Cheapflights users on 11/2. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/156:30 pmORD - FRA
1 stop10h 35mIcelandair
sáb. 1/101:05 pmFRA - ORD
1 stop11h 15mIcelandair
Deal found 11/2$601
This Mytrip deal was found by Cheapflights users on 11/3. 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.
mar. 12/166:30 pmORD - FRA
1 stop10h 35mIcelandair
sáb. 1/101:05 pmFRA - ORD
1 stop11h 15mIcelandair
Deal found 11/3$602
This Mytrip deal was found by Cheapflights users on 11/2. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/37:40 pmORD - FRA
2 stops17h 05mMultiple Airlines
mié. 12/1010:45 amFRA - ORD
1 stop14h 10mMultiple Airlines
Deal found 11/2$604
This Delta deal was found by Cheapflights users on 11/4. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/45:00 pmMLI - FRA
1 stop32h 40mDelta
mié. 11/126:55 amFRA - MLI
2 stops22h 40mDelta
Deal found 11/4$605
This Cheapflightsfares deal was found by Cheapflights users on 11/3. 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.
mié. 12/107:20 pmORD - FRA
1 stop12h 10mScandinavian Airlines
dom. 1/1110:30 amFRA - ORD
1 stop13h 25mScandinavian Airlines
Deal found 11/3$606
This Delta deal was found by Cheapflights users on 11/4. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/45:00 pmMLI - FRA
1 stop32h 40mDelta
jue. 11/139:50 amFRA - MLI
1 stop19h 45mDelta
Deal found 11/4$606
This FlightHub deal was found by Cheapflights users on 11/4. 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.
mié. 12/37:20 pmORD - FRA
1 stop17h 25mScandinavian Airlines
dom. 12/73:15 pmFRA - ORD
2 stops37h 32mScandinavian Airlines
Deal found 11/4$609

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 noviembre 5, 2025.

Round-trip from

$589
(AirNGo)

One-way from

$241
(Kiwi.com)

Popular in

July

Cheapest in

April

Average price

$825
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. 11% potential increase in price ($111 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($21 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 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 noviembre 5, 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

MDW - FRA

MDWFRA

Chicago Midway

mié. 4/1

1:00 pm-9:50 am

1 stop13h 50m

Frankfurt am Main

vie. 4/10

10:15 am-6:34 pm

2 stops15h 19m

$605

St. LouisFrankfurt am Main

STL - FRA

STLFRA

Lambert-St Louis

mié. 4/1

6:00 am-8:55 am

1 stop19h 55m

Frankfurt am Main

vie. 4/10

11:00 am-4:55 pm

1 stop12h 55m

$606

ChicagoFrankfurt am Main

ORD - FRA

ORDFRA

Chicago O'Hare Intl

vie. 1/16

7:20 pm-7:45 pm

1 stop17h 25m

Frankfurt am Main

sáb. 1/24

10:30 am-8:53 pm

2 stops17h 23m

$626

ChicagoFrankfurt am Main

ORD - FRA

ORDFRA

Chicago O'Hare Intl

mié. 12/3

7:20 pm-7:45 pm

1 stop17h 25m

Frankfurt am Main

mar. 12/9

8:30 pm-9:39 pm

2 stops32h 09m

$626

ChicagoFrankfurt am Main

ORD - HHN

ORDHHN

Chicago O'Hare Intl

dom. 11/30

6:30 pm-11:15 pm

3 stops21h 45m

Frankfurt-Hahn

jue. 12/4

3:40 pm-3:25 pm

2 stops30h 45m

$646

ChicagoFrankfurt am Main

ORD - FRA

ORDFRA

Chicago O'Hare Intl

vie. 1/30

10:24 am-9:50 am

2 stops16h 26m

Frankfurt am Main

dom. 2/15

7:00 am-4:55 pm

2 stops16h 55m

$651

ChicagoFrankfurt am Main

ORD - FRA

ORDFRA

Chicago O'Hare Intl

dom. 12/28

10:00 am-8:40 am

1 stop15h 40m

Frankfurt am Main

mar. 1/13

11:50 am-9:04 pm

2 stops16h 14m

$653

St. LouisFrankfurt am Main

STL - FRA

STLFRA

Lambert-St Louis

mié. 4/8

10:00 am-8:55 am

1 stop15h 55m

Frankfurt am Main

mié. 4/15

7:00 am-3:58 pm

2 stops15h 58m

$664

St. LouisFrankfurt am Main

STL - FRA

STLFRA

Lambert-St Louis

mié. 1/14

12:00 pm-8:40 am

1 stop13h 40m

Frankfurt am Main

mié. 1/21

6:55 am-4:39 pm

2 stops16h 44m

$665

ChicagoFrankfurt am Main

MDW - FRA

MDWFRA

Chicago Midway

mar. 3/31

1:00 pm-9:50 am

1 stop13h 50m

Frankfurt am Main

mar. 4/7

10:15 am-6:08 pm

2 stops14h 53m

$665

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/2

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, 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 $882). 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 noviembre 5, 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. Monday at noon 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 noviembre 5, 2025.

The most flights from USIL to FK0 are scheduled on a Monday (13 on average). You will have fewer flight options on Tuesday, 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 $605, Delta can have you in Frankfurt am Main from Illinois in 13h 50m. 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 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: Lufthansa (67%), Air Canada (65%), United Airlines( 65%).

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

    While on average a flight from Illinois to Frankfurt am Main is generally $2,621, our data shows the cheapest flight currently is $414. When looking at the most popular route, (Chicago O'Hare Intl - Frankfurt am Main), you can expect to pay $491 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 $882). 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 noviembre 5, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$137Average$791FlexibilityNo cancel feeOn-timeN/A
Scandinavian AirlinesCheapest$333Average$581FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$429Average$815FlexibilityNo cancel feeOn-time70%
IcelandairCheapest$467Average$736FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$485Average$721FlexibilityNo cancel feeOn-time71%
TAP AIR PORTUGALCheapest$495Average$814FlexibilityNo cancel feeOn-timeN/A
Aer LingusCheapest$581Average$847FlexibilityNo cancel feeOn-timeN/A
Turkish AirlinesCheapest$623Average$698FlexibilityNo cancel feeOn-time77%
KLMCheapest$652Average$1,038FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$699Average$1,054FlexibilityNo cancel feeOn-time69%

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