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$360+ 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 12/15. Fares are subject to change and may not be available on all flights or dates of travel.
FRA — ORD
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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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 October 30, 2025.

Round-trip from

$591
(Kiwi.com)

One-way from

$360
(Kiwi.com)

Popular in

July

Cheapest in

February

Average price

$650

Good round-trip deal

$673 or less

Good one-way deal

$684 or less
From Frankfurt am Main to Illinois
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One-way flight from Frankfurt am Main to Illinois
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Highest demand for flights based on searches. 10% potential increase in price ($81 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($18 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Price to beat on a round-trip flight from Frankfurt am Main to Illinois.
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Price to beat on a one-way flight from Frankfurt am Main to Illinois.
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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 October 30, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/27. 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 11/216:00 amFRA - ORD
1 stop16h 25mTAP AIR PORTUGAL
Fri 11/288:15 pmORD - FRA
1 stop19h 25mTAP AIR PORTUGAL
Deal found 10/27$591
This Kiwi.com deal was found by Cheapflights users on 10/29. 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.
Wed 12/243:15 pmFRA - ORD
1 stop32h 30mScandinavian Airlines
Wed 12/317:20 pmORD - FRA
1 stop17h 25mScandinavian Airlines
Deal found 10/29$598
This Gotogate deal was found by Cheapflights users on 10/28. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1110:45 amFRA - ORD
1 stop14h 10mAer Lingus
Tue 11/253:50 pmORD - FRA
1 stop20h 30mAer Lingus
Deal found 10/28$599
This Icelandair deal was found by Cheapflights users on 10/28. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/201:05 pmFRA - ORD
1 stop11h 15mIcelandair
Wed 12/36:30 pmORD - FRA
1 stop10h 35mIcelandair
Deal found 10/28$600
This Gotogate deal was found by Cheapflights users on 10/29. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/51:05 pmFRA - ORD
1 stop11h 15mIcelandair
Mon 11/176:30 pmORD - FRA
1 stop10h 35mIcelandair
Deal found 10/29$603
This FlightHub deal was found by Cheapflights users on 10/28. 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.
Mon 11/171:05 pmFRA - ORD
1 stop11h 15mIcelandair
Tue 12/26:30 pmORD - FRA
1 stop10h 35mIcelandair
Deal found 10/28$606
This Kiwi.com deal was found by Cheapflights users on 10/27. 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.
Thu 11/203:15 pmFRA - ORD
1 stop32h 30mScandinavian Airlines
Sat 11/297:20 pmORD - FRA
1 stop12h 10mScandinavian Airlines
Deal found 10/27$609
This Expedia deal was found by Cheapflights users on 10/28. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1810:45 amFRA - ORD
1 stop14h 10mAer Lingus
Thu 1/89:00 pmORD - FRA
1 stop15h 20mAer Lingus
Deal found 10/28$610
This oojo deal was found by Cheapflights users on 10/30. 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.
Sat 11/158:30 pmFRA - ORD
1 stop27h 15mScandinavian Airlines
Sat 11/227:20 pmORD - FRA
1 stop17h 25mScandinavian Airlines
Deal found 10/30$611
This oojo deal was found by Cheapflights users on 10/27. 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.
Thu 12/253:15 pmFRA - ORD
1 stop32h 30mScandinavian Airlines
Wed 1/217:20 pmORD - FRA
1 stop31h 30mScandinavian Airlines
Deal found 10/27$615
This Billigflug deal was found by Cheapflights users on 10/28. 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 11/2510:50 amFRA - ORD
1 stop19h 50mMultiple Airlines
Tue 12/26:25 pmORD - FRA
1 stop18h 15mMultiple Airlines
Deal found 10/28$616
This Gotogate deal was found by Cheapflights users on 10/28. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/1610:45 amFRA - ORD
1 stop14h 10mAer Lingus
Sun 11/307:40 pmORD - FRA
1 stop16h 40mAer Lingus
Deal found 10/28$620

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 October 30, 2025.
Use the filters below to find and compare flights from Frankfurt am Main Airport to Illinois that are best for you.

Fly from

Frankfurt

Fly to

Illinois

Route

Depart

Return

Price

Frankfurt am MainChicago

FRA - ORD

FRAORD

Frankfurt am Main

Thu 11/20

1:05 pm-5:20 pm

1 stop11h 15m

Chicago O'Hare Intl

Mon 12/1

6:30 pm-12:05 pm

1 stop10h 35m

$600

Frankfurt am MainSt. Louis

FRA - STL

FRASTL

Frankfurt am Main

Wed 1/14

7:20 am-9:10 pm

2 stops20h 50m

Lambert-St Louis

Wed 3/4

2:00 pm-2:05 pm

2 stops17h 05m

$627

Frankfurt am MainSt. Louis

FRA - STL

FRASTL

Frankfurt am Main

Fri 11/21

10:50 am-5:54 pm

1 stop14h 04m

Lambert-St Louis

Sun 12/7

11:34 am-7:15 am

1 stop12h 41m

$634

Frankfurt am MainChicago

FRA - ORD

FRAORD

Frankfurt am Main

Thu 11/20

5:45 pm-3:25 pm

1 stop28h 40m

Chicago O'Hare Intl

Sun 11/30

8:25 pm-10:40 pm

1 stop19h 15m

$640

Frankfurt am MainSt. Louis

FRA - STL

FRASTL

Frankfurt am Main

Thu 1/22

10:15 am-11:12 pm

1 stop19h 57m

Lambert-St Louis

Thu 1/29

3:37 pm-2:25 pm

2 stops15h 48m

$643

Frankfurt am MainSt. Louis

FRA - STL

FRASTL

Frankfurt am Main

Fri 11/21

10:50 am-5:54 pm

1 stop14h 04m

Lambert-St Louis

Sun 12/7

11:50 am-10:30 am

2 stops15h 40m

$643

Frankfurt am MainChicago

FRA - ORD

FRAORD

Frankfurt am Main

Wed 12/24

7:20 am-1:50 pm

1 stop13h 30m

Chicago O'Hare Intl

Tue 12/30

9:45 pm-10:00 pm

1 stop17h 15m

$645

Frankfurt am MainChicago

FRA - ORD

FRAORD

Frankfurt am Main

Wed 3/25

10:30 am-5:45 pm

1 stop13h 15m

Chicago O'Hare Intl

Fri 6/12

7:15 pm-2:35 pm

1 stop12h 20m

$649

Frankfurt am MainChicago

FRA - ORD

FRAORD

Frankfurt am Main

Wed 12/24

3:15 pm-4:45 pm

1 stop32h 30m

Chicago O'Hare Intl

Mon 1/5

7:20 pm-9:50 am

1 stop31h 30m

$654

Frankfurt am MainSt. Louis

FRA - STL

FRASTL

Frankfurt am Main

Sun 11/16

10:15 am-7:30 pm

1 stop16h 15m

Lambert-St Louis

Tue 12/2

2:05 pm-8:50 am

1 stop11h 45m

$654

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

Showing 1-10 of 54 results
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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.

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, February is the cheapest month in which you can book a flight from Frankfurt am Main Airport to Illinois (average of $345). Flying from Frankfurt am Main Airport to Illinois in July is currently the most expensive (average of $609). 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 October 30, 2025.

One of the essential ways to save on airfare from Frankfurt am Main Airport to Illinois is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the evening could potentially save you up to 39% on airfare.

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 October 30, 2025.
See what other customers who have flown with Delta, United Airlines, and Icelandair from Frankfurt am Main Airport to Illinois have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
7,998 reviews

Comfort

7.9

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Mary,Oct 2025

AMS - PDX

It's specail being able to fly non-stop from Amsterdam all the way home to Portland, Oregon!
Delta
7.9
Good
7,998 reviews
Delta
7.9
Good
7,998 reviews

Comfort

7.9

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Mary,Oct 2025

AMS - PDX

It's specail being able to fly non-stop from Amsterdam all the way home to Portland, Oregon!
United Airlines
7.4
Good
8,998 reviews
Delta
7.9
Good
7,998 reviews

Comfort

7.9

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Mary,Oct 2025

AMS - PDX

It's specail being able to fly non-stop from Amsterdam all the way home to Portland, Oregon!
Icelandair
7.1
Good
562 reviews
Delta
7.9
Good
7,998 reviews

Comfort

7.9

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Mary,Oct 2025

AMS - PDX

It's specail being able to fly non-stop from Amsterdam all the way home to Portland, Oregon!
Lufthansa
6.8
Okay
7,541 reviews
Delta
7.9
Good
7,998 reviews

Comfort

7.9

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Mary,Oct 2025

AMS - PDX

It's specail being able to fly non-stop from Amsterdam all the way home to Portland, Oregon!
British Airways
6.7
Okay
7,487 reviews
Delta
7.9
Good
7,998 reviews

Comfort

7.9

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Mary,Oct 2025

AMS - PDX

It's specail being able to fly non-stop from Amsterdam all the way home to Portland, Oregon!

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.

  • How long is the flight from Frankfurt am Main Airport to Illinois?

    A quick flight from Frankfurt am Main Airport to Illinois can take about 11h 15m. Icelandair provides one of the quickest options available for as low as $600. The distance from Frankfurt am Main Airport to Illinois is about 4328 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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 Atlas Air (80%), Air Canada (65%) and United Airlines (65%).

  • 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 $1,308, our data shows the cheapest flight currently is $615. When looking at the most popular route, (Frankfurt am Main - Chicago O'Hare Intl), you can expect to pay $497 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, February is the cheapest month in which you can book a flight from Frankfurt am Main Airport to Illinois (average of $345). Flying from Frankfurt am Main Airport to Illinois in July is currently the most expensive (average of $609). 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 to Illinois

See prices for flight routes from nearby airports that may be better suited for you.
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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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$390Average$568FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$480Average$679FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$524Average$607FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$528Average$705FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$553Average$717FlexibilityNo cancel feeOn-time76%

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