$417+ 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 9/15. Fares are subject to change and may not be available on all flights or dates of travel.
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
Keep the following information in mind while searching for Frankfurt to Illinois flight deals. Data was last updated June 12, 2025.
Round-trip from | $566 (Booking.com) |
|---|---|
One-way from | $417 (Kiwi.com) |
Popular in | July |
Cheapest in | February |
Average price | $678 |
Good round-trip deal | $692 or less |
Good one-way deal | $677 or less |
Find flight deals from Frankfurt to Illinois
Cheapest flights from Frankfurt to IllinoisExplore 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 June 12, 2025.
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 June 12, 2025.
This Booking.com deal was found by Cheapflights users on 6/10. 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.
This Sembo deal was found by Cheapflights users on 6/10. 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 Sembo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This American Airlines deal was found by Cheapflights users on 6/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This ResecentrumGruppen deal was found by Cheapflights users on 6/10. 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 ResecentrumGruppen is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This United Airlines deal was found by Cheapflights users on 6/12. 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.
This Lufthansa deal was found by Cheapflights users on 6/12. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Billigflug deal was found by Cheapflights users on 6/11. 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.
This Air Canada deal was found by Cheapflights users on 6/12. 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.
This Delta deal was found by Cheapflights users on 6/11. 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.
This United Airlines deal was found by Cheapflights users on 6/11. 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.
This Delta deal was found by Cheapflights users on 6/12. 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.
This British Airways deal was found by Cheapflights users on 6/11. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Cheapflights Fare Finder
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 2,558,603 searches. Data last updated June 12, 2025.
Use the filters below to find and compare flights from Frankfurt am Main Airport to Illinois that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
Frankfurt am MainChicago
FRA - ORD
FRAORD
Frankfurt am Main
Fri 7/11
9:20 am-5:37 pm
1 stop15h 17m
Chicago O'Hare Intl
Fri 7/25
12:37 pm-7:20 am
1 stop11h 43m
Frankfurt am MainChicago
FRA - ORD
FRAORD
Frankfurt am Main
Fri 11/7
1:05 pm-5:20 pm
1 stop11h 15m
Chicago O'Hare Intl
Fri 11/21
6:30 pm-12:05 pm
1 stop10h 35m
Frankfurt am MainChicago
FRA - ORD
FRAORD
Frankfurt am Main
Fri 7/11
9:20 am-5:37 pm
1 stop15h 17m
Chicago O'Hare Intl
Thu 7/24
9:17 am-7:20 am
1 stop15h 03m
Frankfurt am MainChicago
FRA - ORD
FRAORD
Frankfurt am Main
Wed 10/29
8:15 am-3:10 pm
1 stop12h 55m
Chicago O'Hare Intl
Sun 11/9
4:00 pm-7:05 am
Nonstop8h 05m
Frankfurt am MainChicago
FRA - ORD
FRAORD
Frankfurt am Main
Thu 9/4
1:15 pm-6:15 pm
1 stop12h 00m
Chicago O'Hare Intl
Mon 9/8
3:05 pm-6:30 am
Nonstop8h 25m
Frankfurt am MainChicago
FRA - ORD
FRAORD
Frankfurt am Main
Thu 8/14
2:35 pm-5:10 pm
2 stops33h 35m
Chicago O'Hare Intl
Sun 8/17
5:15 pm-10:25 pm
2 stops22h 10m
Frankfurt am MainChicago
FRA - MDW
FRAMDW
Frankfurt am Main
Fri 10/10
7:00 am-6:07 pm
2 stops18h 07m
Chicago Midway
Fri 10/24
1:00 pm-11:00 am
2 stops15h 00m
Frankfurt am MainChicago
FRA - ORD
FRAORD
Frankfurt am Main
Tue 7/1
7:00 am-8:27 pm
2 stops20h 27m
Chicago O'Hare Intl
Tue 7/15
11:01 am-9:00 am
2 stops14h 59m
Frankfurt am MainSt. Louis
FRA - STL
FRASTL
Frankfurt am Main
Sat 8/30
10:55 am-6:30 pm
1 stop14h 35m
Lambert-St Louis
Sat 9/20
2:01 pm-1:55 pm
2 stops16h 54m
Frankfurt am MainSt. Louis
FRA - STL
FRASTL
Frankfurt am Main
Thu 7/24
6:40 am-10:45 pm
2 stops23h 05m
Lambert-St Louis
Tue 8/5
1:20 pm-11:45 am
2 stops15h 25m
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.
Cheapflights Insights
Everything you need to know about your flight from Frankfurt am Main Airport to Illinois
What is the cheapest month to book a flight from Frankfurt am Main Airport to Illinois?
Currently, August is the cheapest month in which you can book a flight from Frankfurt am Main Airport to Illinois (average of $245). Flying from Frankfurt am Main Airport to Illinois in March is currently the most expensive (average of $321). 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 June 12, 2025.
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 June 12, 2025.
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 June 12, 2025.
Read reviews from past customers who have flown Delta, Air New Zealand and Alaska Airlines from Frankfurt am Main to Illinois. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
Crew
Overall
Comfort
Boarding
Food
Reviews
Kim,May 2025
PIH - SLC
Entertainment
Crew
Overall
Comfort
Boarding
Food
Reviews
Kim,May 2025
PIH - SLC
Entertainment
Crew
Overall
Comfort
Boarding
Food
Reviews
Kim,May 2025
PIH - SLC
Entertainment
Crew
Overall
Comfort
Boarding
Food
Reviews
Kim,May 2025
PIH - SLC
Entertainment
Crew
Overall
Comfort
Boarding
Food
Reviews
Kim,May 2025
PIH - SLC
Entertainment
Crew
Overall
Comfort
Boarding
Food
Reviews
Kim,May 2025
PIH - SLC
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.
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Alternative routes for Frankfurt to Illinois
See prices for flight routes from nearby airports that may be better suited for you.
Top 5 airlines flying from Frankfurt to Illinois
Discover the top 5 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 2,558,603 searches. Data last updated June 12, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$390 | Average$568 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$480 | Average$629 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$509 | Average$608 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$543 | Average$725 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$553 | Average$670 | FlexibilityNo cancel fee | On-time76% |