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

Finnair, Iberia, and British Airways 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 week?

The number of flights available between Frankfurt am Main and Illinois is 93 per week as of September 2026. The most frequent departure day is Fri, with 16% of weekly flights leaving on this day.

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 September 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 September 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.

$400 Cheap Flights from Frankfurt am Main to Illinois in 2026

Discover deals from 900+ travel sites with momondo.

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.

3:15 pm - 4:45 pmFRA Frankfurt am Main-ORD Chicago O'Hare Intl

32h 30m1 stop Kastrup Copenhagen

7:15 pm - 9:45 amORD Chicago O'Hare Intl-FRA Frankfurt am Main

31h 30m1 stop Kastrup Copenhagen

$689Scandinavian Airlines

Sat, Nov 7 - Wed, Nov 11

4:55 pm - 7:55 pmFRA Frankfurt am Main-ORD Chicago O'Hare Intl

34h 00m1 stop Warsaw Frederic Chopin

9:50 pm - 3:55 pmORD Chicago O'Hare Intl-FRA Frankfurt am Main

35h 05m1 stop Warsaw Frederic Chopin

$690LOT

Fri, Nov 13 - Sat, Nov 21

2:15 pm - 4:45 pmFRA Frankfurt am Main-ORD Chicago O'Hare Intl

33h 30m3 stops Amsterdam Schiphol Stockholm Arlanda Kastrup Copenhagen

7:15 pm - 1:35 pmORD Chicago O'Hare Intl-FRA Frankfurt am Main

35h 20m3 stops Kastrup Copenhagen Stockholm Arlanda Amsterdam Schiphol

$690Multiple Airlines

Thu, Nov 5 - Tue, Nov 10

10:30 am - 4:45 pmFRA Frankfurt am Main-ORD Chicago O'Hare Intl

13h 15m1 stop Kastrup Copenhagen

7:15 pm - 2:30 pmORD Chicago O'Hare Intl-FRA Frankfurt am Main

12h 15m1 stop Kastrup Copenhagen

$690Scandinavian Airlines

Sat, Jan 30 - Sat, Feb 13

5:20 pm - 7:55 pmFRA Frankfurt am Main-ORD Chicago O'Hare Intl

9h 35mnonstop

2:30 pm - 10:55 amORD Chicago O'Hare Intl-FRA Frankfurt am Main

13h 25m1 stop Denver Intl

$754Lufthansa

Tue, Oct 20 - Sat, Nov 7

10:50 am - 12:55 pmFRA Frankfurt am Main-ORD Chicago O'Hare Intl

9h 05mnonstop

4:25 pm - 11:05 amORD Chicago O'Hare Intl-FRA Frankfurt am Main

11h 40m1 stop London Heathrow

$767Lufthansa

Thu, Oct 1 - Thu, Oct 15

8:50 am - 11:00 amFRA Frankfurt am Main-ORD Chicago O'Hare Intl

9h 10mnonstop

4:25 pm - 11:05 amORD Chicago O'Hare Intl-FRA Frankfurt am Main

11h 40m1 stop London Heathrow

$768Lufthansa

Fri, Sep 18 - Sat, Oct 3

6:35 am - 12:55 pmFRA Frankfurt am Main-ORD Chicago O'Hare Intl

13h 20m1 stop Zurich

6:07 pm - 12:00 pmORD Chicago O'Hare Intl-FRA Frankfurt am Main

11h 53m1 stop Washington, D.C. Dulles Intl

$794United Airlines

Sun, Oct 18 - Sun, Oct 25

9:50 am - 4:15 pmFRA Frankfurt am Main-ORD Chicago O'Hare Intl

13h 25m1 stop Zurich

6:05 pm - 9:35 amORD Chicago O'Hare Intl-FRA Frankfurt am Main

8h 30mnonstop

$794United Airlines

Mon, Nov 30 - Tue, Dec 8

7:45 am - 12:35 pmFRA Frankfurt am Main-ORD Chicago O'Hare Intl

11h 50m1 stop Zurich

4:15 pm - 6:35 amORD Chicago O'Hare Intl-FRA Frankfurt am Main

8h 20mnonstop

$794United Airlines

Mon, Oct 19 - Tue, Oct 27

Cheap last minute flights

Enter your travel dates to find the best prices.

6:05 am - 4:00 pmFRA Frankfurt am Main-ORD Chicago O'Hare Intl

16h 55m1 stop Lisbon Humberto Delgado

6:05 pm - 10:20 pmORD Chicago O'Hare Intl-FRA Frankfurt am Main

21h 15m1 stop Lisbon Humberto Delgado

$715TAP AIR PORTUGAL

Fri, Sep 11 - Sat, Oct 10

6:05 am - 4:00 pmFRA Frankfurt am Main-ORD Chicago O'Hare Intl

16h 55m1 stop Lisbon Humberto Delgado

6:05 pm - 10:20 pmORD Chicago O'Hare Intl-FRA Frankfurt am Main

21h 15m1 stop Lisbon Humberto Delgado

$737TAP AIR PORTUGAL

Fri, Sep 11 - Sat, Oct 10

10:55 am - 7:15 pmFRA Frankfurt am Main-ORD Chicago O'Hare Intl

15h 20m1 stop Dublin

3:45 pm - 10:15 amORD Chicago O'Hare Intl-FRA Frankfurt am Main

11h 30m1 stop Dublin

$738Aer Lingus

Wed, Sep 9 - Tue, Sep 22

10:55 am - 7:15 pmFRA Frankfurt am Main-ORD Chicago O'Hare Intl

15h 20m1 stop Dublin

3:45 pm - 10:15 amORD Chicago O'Hare Intl-FRA Frankfurt am Main

11h 30m1 stop Dublin

$738Aer Lingus

Fri, Sep 11 - Wed, Sep 23

8:50 am - 11:00 amFRA Frankfurt am Main-ORD Chicago O'Hare Intl

9h 10mnonstop

3:10 pm - 6:30 amORD Chicago O'Hare Intl-FRA Frankfurt am Main

8h 20mnonstop

$800United Airlines

Thu, Sep 10 - Wed, Sep 23

12:40 pm - 2:55 pmFRA Frankfurt am Main-ORD Chicago O'Hare Intl

9h 15mnonstop

3:10 pm - 6:30 amORD Chicago O'Hare Intl-FRA Frankfurt am Main

8h 20mnonstop

$802Lufthansa

Fri, Sep 11 - Thu, Sep 24

9:55 am - 10:15 amFRA Frankfurt am Main-ORD Chicago O'Hare Intl

31h 20m1 stop Montreal Pierre Elliott Trudeau Intl

3:10 pm - 6:30 amORD Chicago O'Hare Intl-FRA Frankfurt am Main

8h 20mnonstop

$804United Airlines

Thu, Sep 10 - Wed, Sep 23

12:40 pm - 2:55 pmFRA Frankfurt am Main-ORD Chicago O'Hare Intl

9h 15mnonstop

6:30 pm - 9:55 amORD Chicago O'Hare Intl-FRA Frankfurt am Main

8h 25mnonstop

$805United Airlines

Fri, Sep 11 - Thu, Sep 24

12:20 pm - 7:30 amFRA Frankfurt am Main-ORD Chicago O'Hare Intl

26h 10m1 stop Washington, D.C. Dulles Intl

12:55 pm - 7:20 amORD Chicago O'Hare Intl-FRA Frankfurt am Main

11h 25m1 stop Washington, D.C. Dulles Intl

$838Lufthansa

Fri, Sep 11 - Thu, Sep 24

5:10 pm - 4:29 pmFRA Frankfurt am Main-ORD Chicago O'Hare Intl

30h 19m1 stop Washington, D.C. Dulles Intl

3:10 pm - 6:30 amORD Chicago O'Hare Intl-FRA Frankfurt am Main

8h 20mnonstop

$846Lufthansa

Fri, Sep 11 - Thu, Sep 24

Cheap direct flights

Enter your travel dates to find the best prices.

8:50 am - 11:00 amFRA Frankfurt am Main-ORD Chicago O'Hare Intl

9h 10mnonstop

6:30 pm - 9:55 amORD Chicago O'Hare Intl-FRA Frankfurt am Main

8h 25mnonstop

$776Lufthansa

Fri, Oct 2 - Fri, Oct 9

12:55 pm - 3:20 pmFRA Frankfurt am Main-ORD Chicago O'Hare Intl

9h 25mnonstop

4:20 pm - 7:30 amORD Chicago O'Hare Intl-FRA Frankfurt am Main

8h 10mnonstop

$777Lufthansa

Thu, Feb 4 - Thu, Feb 18

8:40 am - 11:05 amFRA Frankfurt am Main-ORD Chicago O'Hare Intl

9h 25mnonstop

4:20 pm - 7:30 amORD Chicago O'Hare Intl-FRA Frankfurt am Main

8h 10mnonstop

$777Lufthansa

Mon, Feb 1 - Mon, Feb 15

5:45 pm - 8:05 pmFRA Frankfurt am Main-ORD Chicago O'Hare Intl

9h 20mnonstop

3:15 pm - 6:35 amORD Chicago O'Hare Intl-FRA Frankfurt am Main

8h 20mnonstop

$779Lufthansa

Wed, Nov 11 - Tue, Nov 17

10:40 am - 1:25 pmFRA Frankfurt am Main-STL Lambert-St Louis

9h 45mnonstop

3:40 pm - 7:30 amSTL Lambert-St Louis-FRA Frankfurt am Main

8h 50mnonstop

$803United Airlines

Mon, Sep 28 - Fri, Nov 6

10:40 am - 1:25 pmFRA Frankfurt am Main-STL Lambert-St Louis

9h 45mnonstop

3:40 pm - 7:30 amSTL Lambert-St Louis-FRA Frankfurt am Main

8h 50mnonstop

$803United Airlines

Mon, Sep 28 - Sun, Nov 8

10:40 am - 1:25 pmFRA Frankfurt am Main-STL Lambert-St Louis

9h 45mnonstop

3:40 pm - 7:30 amSTL Lambert-St Louis-FRA Frankfurt am Main

8h 50mnonstop

$803United Airlines

Mon, Oct 19 - Sun, Dec 6

10:45 am - 1:45 pmFRA Frankfurt am Main-STL Lambert-St Louis

10h 00mnonstop

3:40 pm - 7:30 amSTL Lambert-St Louis-FRA Frankfurt am Main

8h 50mnonstop

$820Multiple Airlines

Sun, Dec 13 - Wed, Jan 6

8:50 am - 11:00 amFRA Frankfurt am Main-ORD Chicago O'Hare Intl

9h 10mnonstop

10:30 pm - 2:05 pmORD Chicago O'Hare Intl-FRA Frankfurt am Main

8h 35mnonstop

$829Multiple Airlines

Thu, Sep 17 - Wed, Sep 30

10:50 am - 12:55 pmFRA Frankfurt am Main-ORD Chicago O'Hare Intl

9h 05mnonstop

4:05 pm - 7:25 amORD Chicago O'Hare Intl-FRA Frankfurt am Main

8h 20mnonstop

$861Air Canada

Tue, Sep 29 - Tue, Oct 6

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Icelandair flights from Frankfurt am Main to Illinois

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

Icelandair

Oct 1

FRA2:00 pmFrankfurt am Main

11h 15m

1 stop

ORD6:15 pmChicago O'Hare Intl

Nov 6

ORD6:30 pmChicago O'Hare Intl

10h 40m

1 stop

FRA12:10 pmFrankfurt am Main

$699

Icelandair

Sep 17

FRA2:00 pmFrankfurt am Main

11h 15m

1 stop

ORD6:15 pmChicago O'Hare Intl

Sep 30

ORD7:25 pmChicago O'Hare Intl

10h 35m

1 stop

FRA1:00 pmFrankfurt am Main

$702

Icelandair

Sep 16

FRA2:00 pmFrankfurt am Main

11h 15m

1 stop

ORD6:15 pmChicago O'Hare Intl

Sep 30

ORD7:25 pmChicago O'Hare Intl

10h 35m

1 stop

FRA1:00 pmFrankfurt am Main

$703

Scandinavian Airlines flights from Frankfurt am Main to Illinois

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

Scandinavian Airlines

Nov 7

FRA3:15 pmFrankfurt am Main

32h 30m

1 stop

ORD4:45 pmChicago O'Hare Intl

Nov 11

ORD7:15 pmChicago O'Hare Intl

31h 30m

1 stop

FRA9:45 amFrankfurt am Main

$689

Scandinavian Airlines

Nov 2

FRA3:15 pmFrankfurt am Main

32h 30m

1 stop

ORD4:45 pmChicago O'Hare Intl

Nov 6

ORD7:15 pmChicago O'Hare Intl

31h 30m

1 stop

FRA9:45 amFrankfurt am Main

$708

Scandinavian Airlines

Oct 28

FRA10:30 amFrankfurt am Main

13h 15m

1 stop

ORD5:45 pmChicago O'Hare Intl

Nov 1

ORD7:15 pmChicago O'Hare Intl

12h 15m

1 stop

FRA2:30 pmFrankfurt am Main

$709

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Frankfurt am MainChicago

FRA Frankfurt am Main - ORD Chicago O'Hare Intl

FRAORD

Frankfurt am Main

Sat 11/7

3:15 pm-4:45 pm

1 stop32h 30m

Chicago O'Hare Intl

Wed 11/11

7:15 pm-9:45 am

1 stop31h 30m

$689

Frankfurt am MainChicago

FRA Frankfurt am Main - ORD Chicago O'Hare Intl

FRAORD

Frankfurt am Main

Fri 11/13

4:55 pm-7:55 pm

1 stop34h 00m

Chicago O'Hare Intl

Sat 11/21

9:50 pm-3:55 pm

1 stop35h 05m

$690

Frankfurt am MainChicago

FRA Frankfurt am Main - ORD Chicago O'Hare Intl

FRAORD

Frankfurt am Main

Thu 11/5

2:15 pm-4:45 pm

3 stops33h 30m

Chicago O'Hare Intl

Tue 11/10

7:15 pm-1:35 pm

3 stops35h 20m

$690

Frankfurt am MainChicago

FRA Frankfurt am Main - ORD Chicago O'Hare Intl

FRAORD

Frankfurt am Main

Sat 1/30

10:30 am-4:45 pm

1 stop13h 15m

Chicago O'Hare Intl

Sat 2/13

7:15 pm-2:30 pm

1 stop12h 15m

$690

Frankfurt am MainChicago

FRA Frankfurt am Main - ORD Chicago O'Hare Intl

FRAORD

Frankfurt am Main

Tue 10/20

5:20 pm-7:55 pm

Nonstop9h 35m

Chicago O'Hare Intl

Sat 11/7

2:30 pm-10:55 am

1 stop13h 25m

$754

Frankfurt am MainChicago

FRA Frankfurt am Main - ORD Chicago O'Hare Intl

FRAORD

Frankfurt am Main

Thu 10/1

10:50 am-12:55 pm

Nonstop9h 05m

Chicago O'Hare Intl

Thu 10/15

4:25 pm-11:05 am

1 stop11h 40m

$767

Frankfurt am MainChicago

FRA Frankfurt am Main - ORD Chicago O'Hare Intl

FRAORD

Frankfurt am Main

Fri 9/18

8:50 am-11:00 am

Nonstop9h 10m

Chicago O'Hare Intl

Sat 10/3

4:25 pm-11:05 am

1 stop11h 40m

$768

Frankfurt am MainChicago

FRA Frankfurt am Main - ORD Chicago O'Hare Intl

FRAORD

Frankfurt am Main

Sun 10/18

6:35 am-12:55 pm

1 stop13h 20m

Chicago O'Hare Intl

Sun 10/25

6:07 pm-12:00 pm

1 stop11h 53m

$794

Frankfurt am MainChicago

FRA Frankfurt am Main - ORD Chicago O'Hare Intl

FRAORD

Frankfurt am Main

Mon 11/30

9:50 am-4:15 pm

1 stop13h 25m

Chicago O'Hare Intl

Tue 12/8

6:05 pm-9:35 am

Nonstop8h 30m

$794

Quickest round-trip

Frankfurt am MainChicago

FRA Frankfurt am Main - ORD Chicago O'Hare Intl

FRAORD

Frankfurt am Main

Mon 10/19

7:45 am-12:35 pm

1 stop11h 50m

Chicago O'Hare Intl

Tue 10/27

4:15 pm-6:35 am

Nonstop8h 20m

$794

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 February. Flight prices, which tend to average around $702, 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 February, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $739.

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 Tuesday when prices can be found for as low as $842. Flights from Frankfurt am Main to Illinois on a Saturday will generally be more expensive and average around $953. 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 $875. Flights in the afternoon are often more expensive with an average ticket price of $875.

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 $836 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 $699 on momondo.

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

There are 3 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

Best Price Found	$400
Fastest flight time	9h 05m
Direct flights	Every day
Airports in Illinois	98 airports

The best one-way flight to Illinois from Frankfurt am Main in the past 72 hours is $400. The best round-trip flight deal from Frankfurt am Main to Illinois found on momondo in the last 72 hours is $689.

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 September 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 $617	Free Cancellation	Rating 7.4 10,173 reviews		Search United Airlines flights
Lufthansa	PriceFrom $668	Free Cancellation	Rating 6.8 8,222 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.