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Frankfurt

$216+ Cheap flights from Illinois to Frankfurt (FRA)

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 11/2. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — FRA
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheap flight deals from Illinois to Frankfurt

Keep the following information in mind while searching for Illinois to Frankfurt flight deals. Data was last updated September 15, 2025.

Round-trip from

$630
(Scandinavian Airlines)

One-way from

$216
(Flysmarter)

Popular in

July

Cheapest in

April

Average price

$870

Good round-trip deal

$719 or less

Good one-way deal

$499 or less
From Illinois to Frankfurt am Main
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One-way flight from Illinois to Frankfurt am Main
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Highest demand for flights based on searches. 11% potential increase in price ($115 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($21 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Illinois to Frankfurt am Main.
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Price to beat on a one-way flight from Illinois to Frankfurt am Main.
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Find flight deals from Illinois to Frankfurt

Cheapest flights from Illinois to Frankfurt
Explore the most affordable flight options available from Illinois to Frankfurt. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

This Scandinavian Airlines deal was found by Cheapflights users on 9/13. 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 11/1711:44 amSTL - FRA
2 stops19h 46mScandinavian Airlines
Thu 12/43:15 pmFRA - STL
2 stops36h 48mScandinavian Airlines
Deal found 9/13$630
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 11/28:25 pmORD - FRA
1 stop19h 15mMultiple Airlines
Tue 11/1810:45 amFRA - ORD
2 stops35h 15mMultiple Airlines
Deal found 9/13$646
This Booking.com deal was found by Cheapflights users on 9/14. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/83:45 pmORD - FRA
1 stop11h 30mAer Lingus
Wed 10/1510:55 amFRA - ORD
1 stop15h 05mAer Lingus
Deal found 9/14$648
This Mytrip deal was found by Cheapflights users on 9/14. 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.
Wed 10/294:50 pmORD - FRA
2 stops19h 50mMultiple Airlines
Wed 11/510:45 amFRA - ORD
1 stop14h 10mMultiple Airlines
Deal found 9/14$649
This Scandinavian Airlines deal was found by Cheapflights users on 9/14. 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 10/127:15 pmORD - FRA
1 stop17h 30mScandinavian Airlines
Thu 10/303:15 pmFRA - ORD
1 stop32h 30mScandinavian Airlines
Deal found 9/14$650
This Billigflug deal was found by Cheapflights users on 9/13. 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 Billigflug is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/266:00 amMLI - FRA
1 stop20h 40mMultiple Airlines
Tue 11/410:40 amFRA - MLI
2 stops18h 40mMultiple Airlines
Deal found 9/13$651
This FlightHub deal was found by Cheapflights users on 9/15. 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.
Sun 10/127:15 pmORD - FRA
1 stop12h 25mScandinavian Airlines
Mon 10/208:30 pmFRA - ORD
2 stops31h 49mScandinavian Airlines
Deal found 9/15$652
This Mytrip deal was found by Cheapflights users on 9/15. 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.
Tue 11/46:00 amORD - FRA
3 stops23h 30mMultiple Airlines
Tue 11/1810:45 amFRA - ORD
2 stops35h 15mMultiple Airlines
Deal found 9/15$653
This Billigflug deal was found by Cheapflights users on 9/13. 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 Billigflug is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/266:00 amMLI - FRA
1 stop20h 40mVirgin Atlantic
Tue 11/49:50 amFRA - MLI
1 stop19h 30mVirgin Atlantic
Deal found 9/13$653
This oojo deal was found by Cheapflights users on 9/14. 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.
Sun 10/268:20 pmORD - FRA
1 stop17h 25mScandinavian Airlines
Sun 11/23:15 pmFRA - ORD
1 stop32h 30mScandinavian Airlines
Deal found 9/14$655
This FlightHub deal was found by Cheapflights users on 9/13. 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 11/183:50 pmORD - FRA
1 stop11h 15mAer Lingus
Mon 11/2410:45 amFRA - ORD
1 stop14h 10mAer Lingus
Deal found 9/13$656
This oojo deal was found by Cheapflights users on 9/15. 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.
Sun 10/268:20 pmORD - FRA
1 stop17h 25mScandinavian Airlines
Thu 10/303:15 pmFRA - ORD
1 stop32h 30mScandinavian Airlines
Deal found 9/15$658

Cheapflights Fare Finder

 
Customize your flight search to find flights from Illinois to Frankfurt 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 September 15, 2025.
Use the filters below to find and compare flights from Illinois to Frankfurt am Main Airport that are best for you.

Fly from

Illinois

Fly to

Frankfurt

Route

Depart

Return

Price

St. LouisFrankfurt am Main

STL - FRA

STLFRA

Lambert-St Louis

Wed 10/29

5:15 pm-7:45 pm

2 stops20h 30m

Frankfurt am Main

Wed 11/5

3:15 pm-9:38 pm

2 stops37h 23m

$630

St. LouisFrankfurt am Main

STL - FRA

STLFRA

Lambert-St Louis

Mon 11/17

1:55 pm-2:30 pm

2 stops17h 35m

Frankfurt am Main

Sat 12/6

8:30 pm-9:03 pm

2 stops31h 33m

$630

MolineFrankfurt am Main

MLI - FRA

MLIFRA

Moline Quad-City

Sun 10/26

6:00 am-8:40 am

1 stop20h 40m

Frankfurt am Main

Tue 11/4

10:40 am-10:20 pm

2 stops18h 40m

$651

MolineFrankfurt am Main

MLI - FRA

MLIFRA

Moline Quad-City

Sun 10/26

6:00 am-8:40 am

1 stop20h 40m

Frankfurt am Main

Tue 11/4

9:50 am-10:20 pm

1 stop19h 30m

$653

MolineFrankfurt am Main

MLI - FRA

MLIFRA

Moline Quad-City

Sun 10/26

5:00 pm-7:50 am

2 stops32h 50m

Frankfurt am Main

Tue 11/4

10:40 am-10:20 pm

2 stops18h 40m

$669

MolineFrankfurt am Main

MLI - FRA

MLIFRA

Moline Quad-City

Wed 10/29

6:00 am-8:40 am

1 stop20h 40m

Frankfurt am Main

Wed 11/5

9:50 am-10:20 pm

1 stop19h 30m

$677

MolineFrankfurt am Main

MLI - FRA

MLIFRA

Moline Quad-City

Wed 10/29

6:00 am-7:50 am

2 stops19h 50m

Frankfurt am Main

Wed 11/5

10:40 am-10:20 pm

2 stops18h 40m

$682

St. LouisFrankfurt am Main

STL - FRA

STLFRA

Lambert-St Louis

Mon 10/20

3:59 pm-7:45 pm

2 stops20h 46m

Frankfurt am Main

Fri 10/24

7:20 am-9:28 pm

2 stops21h 08m

$683

ChicagoFrankfurt am Main

ORD - FRA

ORDFRA

Chicago O'Hare Intl

Wed 10/29

11:10 pm-7:45 pm

1 stop14h 35m

Frankfurt am Main

Wed 11/5

6:55 am-4:45 pm

2 stops16h 50m

$688

ChicagoFrankfurt am Main

ORD - FRA

ORDFRA

Chicago O'Hare Intl

Wed 11/19

7:20 pm-2:30 pm

1 stop12h 10m

Frankfurt am Main

Sun 11/30

6:55 am-4:45 pm

2 stops16h 50m

$718

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/13

Showing 1-10 of 60 results
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Best time to book a flight from Illinois to Frankfurt

Have a flexible travel schedule? Discover the best time to fly to Frankfurt 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 Airport

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

Currently, January is the cheapest month in which you can book a flight from Illinois to Frankfurt am Main Airport (average of $729). Flying from Illinois to Frankfurt am Main Airport in June is currently the most expensive (average of $1,091). 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. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 15, 2025.

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 Airport as you normally would.

Weekly flight availability from Illinois to Frankfurt am Main Airport

Explore weekly flight availability from Illinois to Frankfurt. 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 September 15, 2025.

The most flights from USIL to FRA 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).

Related info for your journey

Find useful and relevant information for your journey from Illinois to Frankfurt. 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 Airport?

    A quick flight from Illinois to Frankfurt am Main Airport can take about 20h 30m. Scandinavian Airlines provides one of the quickest options available for as low as $630. There are 4577 mi between Illinois and Frankfurt am Main Airport. 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 Airport one-way?

    To fly one-way, consider booking your trip with TAP AIR PORTUGAL, which is currently one of the cheapest options available, starting at $221. Lufthansa flights start at $389 while deals on Delta start at $459 one-way.

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

    While some choose either Lambert-St Louis - Frankfurt am Main or Chicago Midway - Frankfurt am Main, Chicago O'Hare Intl - Frankfurt am Main is the most popular route from Illinois to Frankfurt am Main Airport.

  • What are the most reliable airlines from Illinois to Frankfurt am Main Airport?

    The top 3 most reliable airlines when flying from Illinois to Frankfurt am Main Airport are Lufthansa (54%), Air Canada (53%) and United Airlines (53%).

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

    Looking for the cheapest flight from Illinois to Frankfurt am Main Airport? While on average our users pay $2,589, our data indicates the cheapest price to be $457. The most popular route (Chicago O'Hare Intl - Frankfurt am Main), is priced around $407.

  • Can I find deals for flights from Illinois to Frankfurt that include hotel bookings?

    Yes. In addition to deals on Illinois to Frankfurt flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Illinois to Frankfurt?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Illinois to Frankfurt.

  • Can I find deals for business class flights from Illinois to Frankfurt?

    Yes. Cheapflights offers flight deals from Illinois to Frankfurt 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 Airport?

    Currently, January is the cheapest month in which you can book a flight from Illinois to Frankfurt am Main Airport (average of $729). Flying from Illinois to Frankfurt am Main Airport in June is currently the most expensive (average of $1,091). 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

Traveling to a place near Frankfurt am Main Airport?

Book flights to Frankfurt am Main Airport if you plan to visit one of these locations
Koblenz
Baden-Baden
Wurzburg
Wiesbaden
Speyer
Trier
Boppard
Mainz

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Top 10 airlines flying from Illinois to Frankfurt

Discover the top 10 airlines that operate flights from Illinois to Frankfurt. 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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$137Average$791FlexibilityNo cancel feeOn-timeN/A
Scandinavian AirlinesCheapest$333Average$578FlexibilityNo cancel feeOn-time77%
IcelandairCheapest$460Average$702FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$485Average$846FlexibilityNo cancel feeOn-time71%
TAP AIR PORTUGALCheapest$570Average$842FlexibilityNo cancel feeOn-timeN/A
Aer LingusCheapest$583Average$842FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$584Average$842FlexibilityNo cancel feeOn-time70%
Turkish AirlinesCheapest$609Average$695FlexibilityNo cancel feeOn-time77%
KLMCheapest$652Average$886FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$699Average$1,087FlexibilityNo cancel feeOn-time69%

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