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$332+ Cheap flights from Frankfurt am Main 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 1/13. Fares are subject to change and may not be available on all flights or dates of travel.
FRA — ORD
Dec 23 — Dec 301
Mon 12/23
Mon 12/30
1 adult, Economy
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Cheap flight deals from Frankfurt am Main to Illinois

Discover tips and strategies to find the most affordable flight options for your journey from Frankfurt am Main (FK0) 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 December 18, 2024.

Round-trip from

$535
(OneTravel)

One-way from

$332
(Kiwi.com)
From Frankfurt am Main to Illinois
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One-way flight from Frankfurt am Main to Illinois
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Find flight deals from Frankfurt am Main to Illinois

Cheapest flights from Frankfurt am Main to Illinois
Explore the most affordable flight options available from Frankfurt am Main to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2024.

This Billigflug deal was found by Cheapflights users on 12/17. 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.
Tue 12/3110:15 amFRA - ORD
1 stop18h 37mMultiple Airlines
Tue 1/148:35 pmORD - FRA
1 stop27h 40mMultiple Airlines
Deal found 12/17$554
This Flysmarter deal was found by Cheapflights users on 12/17. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3110:15 amFRA - ORD
1 stop18h 37mBritish Airways
Sun 1/125:00 pmORD - FRA
2 stops18h 35mBritish Airways
Deal found 12/17$567
This Air France deal was found by Cheapflights users on 12/17. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/319:50 amFRA - ORD
1 stop18h 27mAir France
Sun 1/125:20 pmORD - FRA
1 stop21h 45mAir France
Deal found 12/17$581
This Kiwi.com deal was found by Cheapflights users on 12/17. 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.
Tue 12/246:30 amFRA - ORD
1 stop15h 00mIberia
Fri 1/104:45 pmORD - FRA
1 stop19h 05mIberia
Deal found 12/17$617
This FlightHub deal was found by Cheapflights users on 12/17. 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 12/298:30 pmFRA - ORD
1 stop26h 20mScandinavian Airlines
Sat 1/117:10 pmORD - FRA
1 stop13h 15mScandinavian Airlines
Deal found 12/17$619
This Flysmarter deal was found by Cheapflights users on 12/17. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3112:50 pmFRA - ORD
Nonstop9h 25mLufthansa
Tue 1/146:30 pmORD - FRA
Nonstop8h 25mLufthansa
Deal found 12/17$621
This Delta deal was found by Cheapflights users on 12/17. 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.
Tue 12/2410:15 amFRA - ORD
2 stops18h 02mDelta
Tue 1/75:20 pmORD - FRA
1 stop10h 55mDelta
Deal found 12/17$624
This Virgin Atlantic deal was found by Cheapflights users on 12/17. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/319:50 amFRA - ORD
2 stops21h 06mVirgin Atlantic
Tue 1/1410:30 amORD - FRA
2 stops15h 10mVirgin Atlantic
Deal found 12/17$629
This KLM deal was found by Cheapflights users on 12/17. 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 12/247:20 pmFRA - ORD
1 stop26h 10mKLM
Tue 12/311:57 pmORD - FRA
1 stop11h 43mKLM
Deal found 12/17$631
This Delta deal was found by Cheapflights users on 12/17. 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.
Tue 12/319:50 amFRA - MDW
2 stops19h 16mDelta
Sun 1/1210:19 amMDW - FRA
2 stops16h 16mDelta
Deal found 12/17$632
This United Airlines deal was found by Cheapflights users on 12/17. 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 12/318:45 amFRA - ORD
2 stops21h 40mUnited Airlines
Tue 1/76:08 pmORD - FRA
1 stop30h 02mUnited Airlines
Deal found 12/17$687
This KLM deal was found by Cheapflights users on 12/17. 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 12/319:50 amFRA - MDW
1 stop13h 20mKLM
Sun 1/122:08 pmMDW - FRA
1 stop10h 42mKLM
Deal found 12/17$690

Find flights from Frankfurt am Main to Illinois within your budget

Customize your flight search to find flights from Frankfurt am Main 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 December 18, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

Frankfurt am MainSt. Louis

FRA - STL

FRASTL

Frankfurt am Main

Tue 3/11

9:45 am-3:06 pm

2 stops35h 21m

Lambert-St Louis

Tue 3/18

3:50 pm-6:30 am

1 stop32h 40m

$535

Frankfurt am MainSt. Louis

FRA - STL

FRASTL

Frankfurt am Main

Fri 1/24

11:05 am-11:30 pm

1 stop19h 25m

Lambert-St Louis

Fri 2/7

3:45 pm-7:25 am

Nonstop8h 40m

$538

Frankfurt am MainChicago

FRA - ORD

FRAORD

Frankfurt am Main

Wed 4/30

6:40 am-12:10 pm

1 stop12h 30m

Chicago O'Hare Intl

Thu 5/15

4:00 pm-7:20 am

Nonstop8h 20m

$552

Frankfurt am MainChicago

FRA - ORD

FRAORD

Frankfurt am Main

Thu 5/1

9:45 am-1:55 pm

1 stop11h 10m

Chicago O'Hare Intl

Fri 5/23

9:15 pm-6:15 am

1 stop26h 00m

$553

Frankfurt am MainChicago

FRA - MDW

FRAMDW

Frankfurt am Main

Sun 1/12

11:40 am-10:20 pm

1 stop17h 40m

Chicago Midway

Sat 1/25

10:57 am-8:40 am

1 stop14h 43m

$554

Frankfurt am MainChicago

FRA - ORD

FRAORD

Frankfurt am Main

Fri 1/17

8:20 am-2:05 pm

1 stop12h 45m

Chicago O'Hare Intl

Wed 5/7

4:00 pm-7:20 am

Nonstop8h 20m

$555

Frankfurt am MainChicago

FRA - ORD

FRAORD

Frankfurt am Main

Wed 1/15

1:05 pm-5:20 pm

1 stop11h 15m

Chicago O'Hare Intl

Mon 5/12

7:25 pm-1:00 pm

1 stop10h 35m

$556

Frankfurt am MainChicago

FRA - ORD

FRAORD

Frankfurt am Main

Sun 1/12

7:10 pm-2:45 pm

1 stop26h 35m

Chicago O'Hare Intl

Sat 1/25

4:25 pm-6:15 pm

2 stops18h 50m

$558

Frankfurt am MainSt. Louis

FRA - STL

FRASTL

Frankfurt am Main

Fri 1/17

5:10 pm-3:06 pm

1 stop28h 56m

Lambert-St Louis

Fri 1/31

12:55 pm-11:05 am

2 stops15h 10m

$558

Frankfurt am MainSt. Louis

FRA - STL

FRASTL

Frankfurt am Main

Fri 1/24

8:20 am-11:30 pm

2 stops22h 10m

Lambert-St Louis

Fri 2/7

3:45 pm-7:25 am

Nonstop8h 40m

$564

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

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

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

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

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

Currently, September is the cheapest month in which you can book a flight from Frankfurt am Main to Illinois (average of $232). Flying from Frankfurt am Main 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 am Main 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 December 18, 2024.

When flying from Frankfurt am Main 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 to Illinois

Explore weekly flight availability from Frankfurt am Main 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 December 18, 2024.

The most flights from FK0 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 December 18, 2024.
Peruse reviews from past customers who have flown with United Airlines, SWISS and Scandinavian Airlines from Frankfurt am Main to Illinois to help guide your decision. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,604 reviews

Comfort

7.9

Overall

8.0

Entertainment

7.9

Boarding

8.2

Crew

8.6

Food

7.3

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
8,604 reviews
Delta
8.0
Very good
8,604 reviews

Comfort

7.9

Overall

8.0

Entertainment

7.9

Boarding

8.2

Crew

8.6

Food

7.3

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
8,604 reviews

Comfort

7.9

Overall

8.0

Entertainment

7.9

Boarding

8.2

Crew

8.6

Food

7.3

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
1,285 reviews
Delta
8.0
Very good
8,604 reviews

Comfort

7.9

Overall

8.0

Entertainment

7.9

Boarding

8.2

Crew

8.6

Food

7.3

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
1,133 reviews
Delta
8.0
Very good
8,604 reviews

Comfort

7.9

Overall

8.0

Entertainment

7.9

Boarding

8.2

Crew

8.6

Food

7.3

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
787 reviews
Delta
8.0
Very good
8,604 reviews

Comfort

7.9

Overall

8.0

Entertainment

7.9

Boarding

8.2

Crew

8.6

Food

7.3

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 am Main 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 to Illinois one-way?

    The cheapest airlines for a one-way flight from Frankfurt am Main to Illinois are Icelandair ($420), Air Serbia ($468), and TAP AIR PORTUGAL ($495).

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

    When deciding which route to take from Frankfurt am Main to Illinois consider Frankfurt am Main - Chicago O'Hare Intl, Frankfurt am Main - Chicago Midway or Frankfurt-Hahn - Chicago O'Hare Intl as they are the most popular.

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

    Before booking your flight to Illinois from Frankfurt am Main, check out the most reliable airlines to get you to your destination on time: Qatar Airways (67%), Lufthansa (66%), Air Canada( 63%).

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

    Looking for the cheapest flight from Frankfurt am Main to Illinois? While on average our users pay $1,694, our data indicates the cheapest price to be $578. The most popular route (Frankfurt am Main - Chicago O'Hare Intl), is priced around $465.

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

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

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

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

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

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

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

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Alternative routes for Frankfurt am Main to Illinois

See prices for flight routes from nearby airports that may be better suited for you.
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Top 8 airlines flying from Frankfurt am Main to Illinois

Discover the top 8 airlines that operate flights from Frankfurt am Main 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 December 18, 2024.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$448Average$649FlexibilityNo cancel feeOn-time75%
British AirwaysCheapest$448Average$608FlexibilityNo cancel feeOn-time70%
DeltaCheapest$449Average$620FlexibilityNo cancel feeOn-timeN/A
Scandinavian AirlinesCheapest$460Average$537FlexibilityNo cancel feeOn-time77%
IcelandairCheapest$489Average$780FlexibilityNo cancel feeOn-time76%
LufthansaCheapest$495Average$733FlexibilityNo cancel feeOn-time76%
Aer LingusCheapest$512Average$641FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$552Average$707FlexibilityNo cancel feeOn-time69%
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