How many flights depart from Frankfurt am Main to Illinois on average per week?

The number of flights available between Frankfurt am Main and Illinois is 97 per week as of May 2026. The most frequent departure day is Wed, with 15% of weekly flights leaving on this day.

What is the cheapest airline that flies from Frankfurt am Main to Illinois?

Finnair, British Airways, and American Airlines are the most popular carriers operating from Frankfurt am Main to Illinois

How many flights depart from Frankfurt am Main to Illinois on average per day?

13 flights are operational daily from Frankfurt am Main to Illinois as of May 2026. The most popular departure time for this route is 10:00AM, with 53% of flights per day taking off at noon.

When did momondo last update prices for flights from Frankfurt am Main to Illinois?

Prices for flights from Frankfurt am Main to Illinois are refreshed on a daily basis.

How many operators does momondo search for flights from Frankfurt am Main to Illinois?

As of May 2026, there are 2 operators available to choose from for flights from Frankfurt am Main to Illinois.

How old do you have to be to fly from Frankfurt am Main to Illinois?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Frankfurt am Main to Illinois.

What documentation or ID do you need to fly to Illinois?

The travel and health documents you'll need for your trip to Illinois may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Illinois. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$355 Cheap Flights from Frankfurt am Main to Illinois in 2026

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Find the cheapest flights from Frankfurt am Main to Illinois

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:50 am - 6:13 pm

FRA

STL

16h 23m

1 stop

8:00 am - 6:30 am

STL

FRA

15h 30m

1 stop

$695United Airlines

Wed, Jul 1 - Mon, Jul 20

8:50 am - 5:27 pm

FRA

STL

15h 37m

1 stop

3:22 pm - 9:55 am

STL

FRA

11h 33m

1 stop

$745United Airlines

Sat, Jul 4 - Tue, Jul 14

7:25 am - 6:15 pm

FRA

ORD

17h 50m

1 stop

7:25 pm - 1:00 pm

ORD

FRA

10h 35m

1 stop

$749Icelandair

Sun, Aug 23 - Sun, Aug 30

7:25 am - 6:15 pm

FRA

ORD

17h 50m

1 stop

7:25 pm - 1:00 pm

ORD

FRA

10h 35m

1 stop

$750Icelandair

Sun, Aug 23 - Mon, Aug 31

10:55 am - 7:15 pm

FRA

ORD

15h 20m

1 stop

3:45 pm - 10:15 am

ORD

FRA

11h 30m

1 stop

$751Aer Lingus

Thu, Aug 13 - Tue, Aug 25

10:55 am - 7:15 pm

FRA

ORD

15h 20m

1 stop

3:45 pm - 10:15 am

ORD

FRA

11h 30m

1 stop

$752Aer Lingus

Mon, Aug 17 - Mon, Aug 24

10:55 am - 7:15 pm

FRA

ORD

15h 20m

1 stop

3:45 pm - 10:15 am

ORD

FRA

11h 30m

1 stop

$754Aer Lingus

Thu, Aug 13 - Fri, Aug 21

12:10 pm - 1:20 pm

FRA

ORD

32h 10m

2 stops

9:30 pm - 6:35 pm

ORD

FRA

14h 05m

1 stop

$761Finnair

Wed, Sep 23 - Wed, Oct 7

8:40 am - 6:09 pm

FRA

STL

16h 29m

1 stop

6:45 pm - 1:45 pm

STL

FRA

12h 00m

1 stop

$773Lufthansa

Fri, Nov 20 - Fri, Nov 27

10:45 am - 1:45 pm

FRA

STL

10h 00mnonstop

3:40 pm - 7:30 am

STL

FRA

8h 50mnonstop

$778Lufthansa

Fri, Nov 20 - Sun, Dec 13

Scandinavian Airlines flights from Frankfurt am Main to Illinois

Our best Scandinavian Airlines deals on Frankfurt am Main to Illinois flight tickets

Scandinavian Airlines

May 25

FRA3:20 pmFrankfurt am Main

31h 50m

1 stop

ORD4:10 pmChicago O'Hare Intl

May 29

ORD6:07 amChicago O'Hare Intl

25h 28m

2 stops

FRA2:35 pmFrankfurt am Main

$749

Scandinavian Airlines

Sep 28

FRA8:30 pmFrankfurt am Main

32h 06m

2 stops

ORD9:36 pmChicago O'Hare Intl

Oct 16

ORD7:15 pmChicago O'Hare Intl

12h 20m

1 stop

FRA2:35 pmFrankfurt am Main

$762

Scandinavian Airlines

Aug 24

FRA8:30 pmFrankfurt am Main

26h 40m

1 stop

ORD4:10 pmChicago O'Hare Intl

Aug 28

ORD6:00 pmChicago O'Hare Intl

37h 35m

2 stops

FRA2:35 pmFrankfurt am Main

$764

Delta flights from Frankfurt am Main to Illinois

Our best Delta deals on Frankfurt am Main to Illinois flight tickets

Delta

May 31

FRA11:50 amFrankfurt am Main

16h 46m

1 stop

ORD9:36 pmChicago O'Hare Intl

Jun 8

ORD2:07 pmChicago O'Hare Intl

12h 43m

1 stop

FRA9:50 amFrankfurt am Main

$774

Delta

Sep 23

FRA10:15 amFrankfurt am Main

11h 15m

1 stop

ORD2:30 pmChicago O'Hare Intl

Sep 30

ORD1:35 pmChicago O'Hare Intl

14h 50m

2 stops

FRA11:25 amFrankfurt am Main

$788

Delta

Sep 7

FRA10:15 amFrankfurt am Main

11h 15m

1 stop

ORD2:30 pmChicago O'Hare Intl

Sep 14

ORD5:20 pmChicago O'Hare Intl

14h 00m

2 stops

FRA2:20 pmFrankfurt am Main

$790

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Frankfurt am MainSt. Louis

FRA - STL

FRASTL

Frankfurt am Main

Wed 7/1

8:50 am-6:13 pm

1 stop16h 23m

Lambert-St Louis

Mon 7/20

8:00 am-6:30 am

1 stop15h 30m

$695

Frankfurt am MainSt. Louis

FRA - STL

FRASTL

Frankfurt am Main

Sat 7/4

8:50 am-5:27 pm

1 stop15h 37m

Lambert-St Louis

Tue 7/14

3:22 pm-9:55 am

1 stop11h 33m

$745

Frankfurt am MainChicago

FRA - ORD

FRAORD

Frankfurt am Main

Sun 8/23

7:25 am-6:15 pm

1 stop17h 50m

Chicago O'Hare Intl

Sun 8/30

7:25 pm-1:00 pm

1 stop10h 35m

$749

Frankfurt am MainChicago

FRA - ORD

FRAORD

Frankfurt am Main

Sun 8/23

7:25 am-6:15 pm

1 stop17h 50m

Chicago O'Hare Intl

Mon 8/31

7:25 pm-1:00 pm

1 stop10h 35m

$750

Frankfurt am MainChicago

FRA - ORD

FRAORD

Frankfurt am Main

Thu 8/13

10:55 am-7:15 pm

1 stop15h 20m

Chicago O'Hare Intl

Tue 8/25

3:45 pm-10:15 am

1 stop11h 30m

$751

Frankfurt am MainChicago

FRA - ORD

FRAORD

Frankfurt am Main

Mon 8/17

10:55 am-7:15 pm

1 stop15h 20m

Chicago O'Hare Intl

Mon 8/24

3:45 pm-10:15 am

1 stop11h 30m

$752

Frankfurt am MainChicago

FRA - ORD

FRAORD

Frankfurt am Main

Thu 8/13

10:55 am-7:15 pm

1 stop15h 20m

Chicago O'Hare Intl

Fri 8/21

3:45 pm-10:15 am

1 stop11h 30m

$754

Frankfurt am MainChicago

FRA - ORD

FRAORD

Frankfurt am Main

Wed 9/23

12:10 pm-1:20 pm

2 stops32h 10m

Chicago O'Hare Intl

Wed 10/7

9:30 pm-6:35 pm

1 stop14h 05m

$761

Frankfurt am MainSt. Louis

FRA - STL

FRASTL

Frankfurt am Main

Fri 11/20

8:40 am-6:09 pm

1 stop16h 29m

Lambert-St Louis

Fri 11/27

6:45 pm-1:45 pm

1 stop12h 00m

$773

Quickest round-trip

Frankfurt am MainSt. Louis

FRA - STL

FRASTL

Frankfurt am Main

Fri 11/20

10:45 am-1:45 pm

Nonstop10h 00m

Lambert-St Louis

Sun 12/13

3:40 pm-7:30 am

Nonstop8h 50m

$778

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Frankfurt am Main to Illinois

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Illinois?

The cheapest month to fly to Illinois from Frankfurt am Main is in September. Flight prices, which tend to average around $330, are often lower during this time because this is during the off-season. If you aren’t able to travel to Illinois during the month of September, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $337.

What is the cheapest day to depart on your flight to Illinois?

The cheapest day to depart from Frankfurt am Main to Illinois is on a Thursday when prices can be found for as low as $791. Flights from Frankfurt am Main to Illinois on a Saturday will generally be more expensive and average around $898. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Illinois?

Our most recent data shows that the best time of day to fly to Illinois is in the morning. Flights from Frankfurt am Main to Illinois during this time can be as low as $835. Flights in the afternoon are often more expensive with an average ticket price of $852.

What is the cheapest Frankfurt am Main to Illinois flight route?

Fly from Frankfurt am Main to Chicago O'Hare Intl for the best Frankfurt am Main - Illinois flight prices

How far in advance should I book a flight from Frankfurt am Main to Illinois?

You are more likely to see cheaper flights to Illinois from Frankfurt am Main when booking weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around $769 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from Frankfurt am Main for as low as $600 on momondo.

What cabin class options are available on Frankfurt am Main to Illinois flights?

There are 4 cabin classes available to choose from on Frankfurt am Main to Illinois flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap Frankfurt am Main to Illinois flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Frankfurt am Main to Illinois

Fastest flight time	9h 05m
Direct flights	Every day
Airports in Illinois	98 airports

The fastest flight from Frankfurt am Main to Illinois takes 9h 05m

Direct flights go from Frankfurt am Main to Illinois every day.

There are 98 airports in Illinois. From Frankfurt am Main there are direct flights to Chicago O'Hare Intl (ORD).

Search flight deals

Frequently asked questions about flying from Frankfurt am Main to Illinois

When did momondo last update prices for flights from Frankfurt am Main to Illinois?
Prices for flights from Frankfurt am Main to Illinois are refreshed on a daily basis.
How many operators does momondo search for flights from Frankfurt am Main to Illinois?
As of May 2026, there are 2 operators available to choose from for flights from Frankfurt am Main to Illinois.
How old do you have to be to fly from Frankfurt am Main to Illinois?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Frankfurt am Main to Illinois.
What documentation or ID do you need to fly to Illinois?
The travel and health documents you'll need for your trip to Illinois may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Illinois. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Frankfurt am Main to Illinois

Compare and see reviews for airlines that fly from Frankfurt am Main to Illinois with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $606	Free Cancellation	Rating 7.4 9,752 reviews		Search United Airlines flights
Lufthansa	PriceFrom $617	Free Cancellation	Rating 6.8 8,023 reviews		Search Lufthansa flights

Why use momondo?

Why should I use momondo to find a flight deal from Frankfurt am Main to Illinois?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Frankfurt am Main to Illinois. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Frankfurt am Main to Illinois with flexible booking policies on momondo?

All flight searches from Frankfurt am Main to Illinois on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Frankfurt am Main to Illinois?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Illinois from Frankfurt am Main.

I’m not ready to book a flight from Frankfurt am Main to Illinois right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Frankfurt am Main to Illinois flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.