HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Illinois

$505+ Cheap flights from Frankfurt (FRA) to Illinois

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 1/25. Fares are subject to change and may not be available on all flights or dates of travel.
FRA — ORD
Nov 26 — Dec 31
Tue 11/26
Tue 12/3
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Frankfurt to Illinois with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Frankfurt to Illinois

Discover tips and strategies to find the most affordable flight options for your journey from Frankfurt (FRA) to Illinois (USIL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 21, 2024.

Find flight deals from Frankfurt to Illinois

Cheapest flights from Frankfurt to Illinois
Explore the most affordable flight options available from Frankfurt to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 21, 2024.

This United Airlines deal was found by Cheapflights users on 11/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/48:40 amFRA - ORD
Nonstop9h 25mUnited Airlines
Tue 12/105:50 pmORD - FRA
1 stop11h 15mUnited Airlines
Deal found 11/21$569
This Priceline deal was found by Cheapflights users on 11/20. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/276:30 amFRA - ORD
1 stop15h 00mMultiple Airlines
Wed 12/410:05 pmORD - FRA
1 stop14h 25mMultiple Airlines
Deal found 11/20$571
This Kiwi.com deal was found by Cheapflights users on 11/21. 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 12/61:05 pmFRA - ORD
1 stop11h 15mIcelandair
Sun 12/86:30 pmORD - FRA
1 stop10h 35mIcelandair
Deal found 11/21$578
This Billigflug deal was found by Cheapflights users on 11/21. 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.
Mon 11/257:50 pmFRA - ORD
1 stop29h 05mAer Lingus
Mon 12/97:40 pmORD - FRA
1 stop16h 30mAer Lingus
Deal found 11/21$582
This Air Canada deal was found by Cheapflights users on 11/20. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/49:45 amFRA - ORD
2 stops15h 51mAir Canada
Wed 12/114:00 pmORD - FRA
2 stops13h 05mAir Canada
Deal found 11/20$585
This SWISS deal was found by Cheapflights users on 11/21. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/49:35 amFRA - ORD
1 stop13h 40mSWISS
Tue 12/105:50 pmORD - FRA
2 stops15h 00mSWISS
Deal found 11/21$591
This Delta deal was found by Cheapflights users on 11/21. 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.
Thu 11/287:05 amFRA - ORD
2 stops16h 26mDelta
Sat 12/710:10 amORD - FRA
2 stops17h 55mDelta
Deal found 11/21$597
This KLM deal was found by Cheapflights users on 11/21. 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.
Tue 12/35:50 pmFRA - ORD
1 stop27h 40mKLM
Sun 12/81:45 pmORD - FRA
1 stop11h 05mKLM
Deal found 11/21$611
This Kiwi.com deal was found by Cheapflights users on 11/21. 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.
Mon 12/26:15 amFRA - ORD
1 stop19h 10mLufthansa
Mon 12/93:15 pmORD - FRA
Nonstop8h 20mLufthansa
Deal found 11/21$613
This United Airlines deal was found by Cheapflights users on 11/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/1712:55 pmFRA - STL
2 stops28h 32mUnited Airlines
Sat 12/285:27 pmSTL - FRA
1 stop33h 28mUnited Airlines
Deal found 11/21$623
This Delta deal was found by Cheapflights users on 11/21. 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.
Thu 11/286:55 amFRA - STL
2 stops17h 20mDelta
Fri 12/66:30 amSTL - FRA
1 stop18h 20mDelta
Deal found 11/21$626
This KLM deal was found by Cheapflights users on 11/21. 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.
Thu 11/286:55 amFRA - STL
2 stops17h 42mKLM
Mon 12/92:10 pmSTL - FRA
1 stop10h 40mKLM
Deal found 11/21$629

Find flights from Frankfurt to Illinois within your budget

Customize your flight search to find flights from Frankfurt to Illinois 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 2,612,795 searches. Data last updated November 21, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

Frankfurt am MainChicago

FRA - ORD

FRAORD

Frankfurt am Main

Wed 12/4

8:40 am-11:05 am

Nonstop9h 25m

Chicago O'Hare Intl

Tue 12/10

5:50 pm-12:05 pm

1 stop11h 15m

$569

Frankfurt am MainChicago

FRA - MDW

FRAMDW

Frankfurt am Main

Mon 1/13

10:40 am-6:14 pm

1 stop14h 34m

Chicago Midway

Sun 1/26

12:44 pm-8:40 am

1 stop12h 56m

$570

Frankfurt am MainChicago

FRA - MDW

FRAMDW

Frankfurt am Main

Thu 3/13

10:40 am-9:49 pm

2 stops17h 09m

Chicago Midway

Wed 3/19

1:05 pm-8:40 am

1 stop13h 35m

$571

Frankfurt am MainChicago

FRA - ORD

FRAORD

Frankfurt am Main

Mon 3/3

10:15 am-7:06 pm

2 stops15h 51m

Chicago O'Hare Intl

Wed 9/17

10:55 pm-6:15 pm

1 stop12h 20m

$571

Frankfurt am MainChicago

FRA - MDW

FRAMDW

Frankfurt am Main

Thu 3/27

7:05 am-5:10 pm

2 stops16h 05m

Chicago Midway

Thu 4/3

1:00 pm-11:25 am

2 stops15h 25m

$574

Frankfurt am MainChicago

FRA - ORD

FRAORD

Frankfurt am Main

Fri 12/6

1:05 pm-5:20 pm

1 stop11h 15m

Chicago O'Hare Intl

Sun 12/8

6:30 pm-12:05 pm

1 stop10h 35m

$578

Frankfurt am MainChicago

FRA - ORD

FRAORD

Frankfurt am Main

Fri 1/17

10:50 am-1:25 pm

Nonstop9h 35m

Chicago O'Hare Intl

Fri 1/24

3:15 pm-6:35 am

Nonstop8h 20m

$581

Frankfurt am MainChicago

FRA - ORD

FRAORD

Frankfurt am Main

Mon 1/13

12:50 pm-3:15 pm

Nonstop9h 25m

Chicago O'Hare Intl

Mon 1/27

6:30 pm-9:55 am

Nonstop8h 25m

$582

Frankfurt am MainChicago

FRA - ORD

FRAORD

Frankfurt am Main

Thu 1/9

9:45 am-7:55 pm

1 stop17h 10m

Chicago O'Hare Intl

Mon 8/18

10:40 am-8:10 am

1 stop14h 30m

$585

Frankfurt am MainChicago

FRA - ORD

FRAORD

Frankfurt am Main

Thu 5/1

7:00 am-2:20 pm

1 stop14h 20m

Chicago O'Hare Intl

Wed 5/14

1:35 pm-9:50 am

1 stop13h 15m

$587

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/21

Showing 1-10 of 60 results
1
2
3
...
6

Best time to book a flight from Frankfurt to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois from Frankfurt 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.

Travel insights for flights from Frankfurt to Illinois

Get recent, data-driven insights about flights from Frankfurt to Illinois including ideal travel times, pricing trends, and more.

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

Currently, September is the cheapest month in which you can book a flight from Frankfurt am Main Airport to Illinois (average of $232). Flying from Frankfurt am Main Airport to Illinois in June is currently the most expensive (average of $308). 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 FRA to IL?

Find hourly flight availability from Frankfurt to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 21, 2024.

When flying from Frankfurt am Main Airport to Illinois, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Frankfurt am Main Airport to Illinois

Explore weekly flight availability from Frankfurt to Illinois. 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 November 21, 2024.

The most flights from FRA to USIL 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).

Rainfall in Illinois by month

Plan your trip to Illinois by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Illinois ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Illinois when rainfall is around 1.7 in.

Temperature in Illinois by month

Plan your trip to Illinois by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Illinois, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

Reviews of airlines servicing Illinois

Get insights into the airlines that provide service to Illinois. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Illinois. Reviews last updated November 21, 2024.
Read reviews from past customers who have flown United Airlines, Icelandair and Lufthansa from Frankfurt am Main to Illinois. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,755 reviews

Overall

8.0

Crew

8.5

Comfort

7.9

Entertainment

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta
8.0
Very good
8,755 reviews
Delta
8.0
Very good
8,755 reviews

Overall

8.0

Crew

8.5

Comfort

7.9

Entertainment

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

KLM
7.8
Good
1,349 reviews
Delta
8.0
Very good
8,755 reviews

Overall

8.0

Crew

8.5

Comfort

7.9

Entertainment

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Finnair
7.7
Good
1,300 reviews
Delta
8.0
Very good
8,755 reviews

Overall

8.0

Crew

8.5

Comfort

7.9

Entertainment

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

LOT
7.6
Good
1,169 reviews
Delta
8.0
Very good
8,755 reviews

Overall

8.0

Crew

8.5

Comfort

7.9

Entertainment

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Austrian Airlines
7.6
Good
804 reviews
Delta
8.0
Very good
8,755 reviews

Overall

8.0

Crew

8.5

Comfort

7.9

Entertainment

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Frankfurt to Illinois. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines to fly from Frankfurt am Main Airport to Illinois 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 $505. Aer Lingus flights start at $541 while deals on Lufthansa start at $581 one-way.

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

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

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

    The top 3 most reliable airlines when flying from Frankfurt am Main Airport to Illinois are Lufthansa (70%), Air Canada (64%) and United Airlines (64%).

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

    While on average a flight from Frankfurt am Main Airport to Illinois is generally $1,026, our data shows the cheapest flight currently is $580. When looking at the most popular route, (Frankfurt am Main - Chicago O'Hare Intl), you can expect to pay $446 for that flight.

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

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

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

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

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

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

    Currently, September is the cheapest month in which you can book a flight from Frankfurt am Main Airport to Illinois (average of $232). Flying from Frankfurt am Main Airport to Illinois in June is currently the most expensive (average of $308). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Frankfurt to Illinois

See prices for flight routes from nearby airports that may be better suited for you.
Frankfurt to John F Kennedy Intl flights
Frankfurt to Newark flights
Frankfurt to LaGuardia flights
Frankfurt to Miami flights
Frankfurt to Los Angeles flights
Frankfurt to Las Vegas flights
Frankfurt to San Francisco flights
Frankfurt to Dulles Intl flights
Frankfurt to Dallas/Fort Worth flights
Frankfurt to O'Hare Intl flights
Frankfurt to Stewart flights
Frankfurt to Orlando flights
Frankfurt to Tampa flights
Frankfurt to Atlanta flights
Frankfurt to Boston flights
Frankfurt to Seattle flights
Frankfurt to Detroit flights
Frankfurt to Baltimore flights
Frankfurt to Denver flights
Frankfurt to Charlotte flights
Frankfurt to Fort Myers flights
Frankfurt to Reagan-National flights
Frankfurt to Hobby flights
Frankfurt to Austin flights
Frankfurt to Ontario flights
Frankfurt to George Bush Intcntl flights
Frankfurt to San Jose flights
Frankfurt to Philadelphia flights
Frankfurt to Honolulu flights
Frankfurt-Hahn to John F Kennedy Intl flights
Frankfurt to Love Field flights
Frankfurt to San Diego flights
Frankfurt to Sky Harbor Intl flights
Frankfurt to Fort Lauderdale flights
Frankfurt to Santa Ana flights
Frankfurt-Hahn to Miami flights
Frankfurt to Minneapolis flights
Frankfurt to West Palm Beach flights
Frankfurt to Oakland flights
Frankfurt to San Antonio flights
Frankfurt to Raleigh flights
Frankfurt to Long Beach flights
Frankfurt to St. Louis flights
Frankfurt to Kahului flights
Frankfurt to Nashville flights
Frankfurt to Anchorage flights

Top 8 airlines flying from Frankfurt to Illinois

Discover the top 8 airlines that operate flights from Frankfurt to Illinois. 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 2,612,795 searches. Data last updated November 21, 2024.
AirlineCheapestAverageFlexibilityOn-time
Aer LingusCheapest$321Average$635FlexibilityNo cancel feeOn-timeN/A
Scandinavian AirlinesCheapest$419Average$537FlexibilityNo cancel feeOn-time77%
KLMCheapest$448Average$641FlexibilityNo cancel feeOn-time75%
British AirwaysCheapest$448Average$608FlexibilityNo cancel feeOn-time70%
DeltaCheapest$449Average$620FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$489Average$762FlexibilityNo cancel feeOn-time76%
LufthansaCheapest$546Average$656FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$552Average$708FlexibilityNo cancel feeOn-time69%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
View all available airlines