$273+ 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 7/14. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from Illinois to Frankfurt 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 Illinois to Frankfurt
Keep the following information in mind while searching for Illinois to Frankfurt flight deals. Data was last updated June 12, 2025.
Round-trip from | $604 (American Airlines) |
|---|---|
One-way from | $273 (Mytrip) |
Popular in | July |
Cheapest in | April |
Average price | $1,083 |
Good round-trip deal | $749 or less |
Good one-way deal | $521 or less |
Find flight deals from Illinois to Frankfurt
Cheapest flights from Illinois to FrankfurtExplore 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 June 12, 2025.
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 June 12, 2025.
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 Finnair 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 Finnair 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 Booking.com 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 Booking.com 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 6/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Mytrip 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 Mytrip 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 6/10. 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 Air Canada 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 6/11. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This KLM 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 KLM 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 6/10. 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 British Airways 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 6/10. 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 Delta 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 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 June 12, 2025.
Use the filters below to find and compare flights from Illinois to Frankfurt am Main Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
St. LouisFrankfurt am Main
STL - FRA
STLFRA
Lambert-St Louis
Tue 10/21
12:50 pm-7:20 am
1 stop11h 30m
Frankfurt am Main
Tue 11/4
10:55 am-5:19 pm
1 stop13h 24m
St. LouisFrankfurt am Main
STL - FRA
STLFRA
Lambert-St Louis
Wed 10/29
9:42 am-8:50 am
2 stops17h 08m
Frankfurt am Main
Fri 11/7
10:55 am-9:12 pm
2 stops17h 17m
St. LouisFrankfurt am Main
STL - FRA
STLFRA
Lambert-St Louis
Wed 11/12
3:50 pm-7:30 am
Nonstop8h 40m
Frankfurt am Main
Thu 11/20
5:10 pm-2:20 pm
2 stops28h 10m
St. LouisFrankfurt am Main
STL - FRA
STLFRA
Lambert-St Louis
Wed 11/12
10:30 am-11:10 am
2 stops17h 40m
Frankfurt am Main
Thu 11/20
9:45 am-3:29 pm
2 stops36h 44m
ChicagoFrankfurt am Main
ORD - FRA
ORDFRA
Chicago O'Hare Intl
Mon 8/4
10:30 pm-2:05 pm
Nonstop8h 35m
Frankfurt am Main
Wed 8/20
8:50 am-11:00 am
Nonstop9h 10m
ChicagoFrankfurt am Main
ORD - FRA
ORDFRA
Chicago O'Hare Intl
Mon 8/4
10:00 am-8:10 am
2 stops15h 10m
Frankfurt am Main
Wed 8/20
9:45 am-3:55 pm
1 stop13h 10m
St. LouisFrankfurt am Main
STL - FRA
STLFRA
Lambert-St Louis
Wed 10/29
11:49 am-7:25 am
1 stop13h 36m
Frankfurt am Main
Fri 11/7
10:45 am-1:55 pm
Nonstop10h 10m
ChicagoFrankfurt am Main
ORD - FRA
ORDFRA
Chicago O'Hare Intl
Mon 8/25
7:15 am-7:10 am
2 stops16h 55m
Frankfurt am Main
Thu 11/13
10:40 am-2:39 pm
1 stop34h 59m
ChicagoFrankfurt am Main
ORD - FRA
ORDFRA
Chicago O'Hare Intl
Sat 8/9
7:25 pm-4:20 pm
1 stop13h 55m
Frankfurt am Main
Thu 8/14
7:05 am-6:15 pm
1 stop18h 10m
ChicagoFrankfurt am Main
MDW - FRA
MDWFRA
Chicago Midway
Sun 8/3
1:09 pm-9:50 am
1 stop13h 41m
Frankfurt am Main
Tue 8/19
11:00 am-6:37 pm
1 stop14h 37m
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.
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 $1,088). 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 June 12, 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 June 12, 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).
Rainfall in Frankfurt by month
Plan your trip to Frankfurt by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Frankfurt am Main Airport ranges from 1.6 - 2.8 inches per month. June is typically the wettest month, when rainfall can reach 2.8 in. January is typically the driest time to visit Frankfurt am Main Airport when rainfall is around 1.6 in.
Temperature in Frankfurt by month
Plan your trip to Frankfurt by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Frankfurt am Main Airport, 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 64.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 33.8 F).
Reviews of airlines servicing Frankfurt
Get insights into the airlines that provide service to Frankfurt. 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 Frankfurt. Reviews last updated June 12, 2025.
See what other customers who have flown with Singapore Airlines, Delta and Alaska Airlines from Illinois to Frankfurt am Main have to say. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
Boarding
Comfort
Overall
Entertainment
Crew
Reviews
Ketan,Nov 2024
SEA - SIN
Food
Boarding
Comfort
Overall
Entertainment
Crew
Reviews
Ketan,Nov 2024
SEA - SIN
Food
Boarding
Comfort
Overall
Entertainment
Crew
Reviews
Ketan,Nov 2024
SEA - SIN
Food
Boarding
Comfort
Overall
Entertainment
Crew
Reviews
Ketan,Nov 2024
SEA - SIN
Food
Boarding
Comfort
Overall
Entertainment
Crew
Reviews
Ketan,Nov 2024
SEA - SIN
Food
Boarding
Comfort
Overall
Entertainment
Crew
Reviews
Ketan,Nov 2024
SEA - SIN
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.
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Alternative routes for Illinois to Frankfurt
See prices for flight routes from nearby airports that may be better suited for you.
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 June 12, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$208 | Average$881 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$264 | Average$581 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$456 | Average$669 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$492 | Average$782 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$505 | Average$864 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$591 | Average$805 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$596 | Average$782 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$609 | Average$697 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$652 | Average$886 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$682 | Average$1,070 | FlexibilityNo cancel fee | On-time69% |