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

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

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

Prices for flights from Frankfurt am Main Airport to Illinois are updated daily.

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

The number of operators available for flights from Frankfurt am Main Airport to Illinois is 2 as of August 2026.

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

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

The travel and health documents required for your trip to Illinois can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Illinois. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$408 Cheap Flights from Frankfurt am Main Airport to Illinois in 2026

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

The number of flights available between Frankfurt am Main Airport and Illinois is 12 per day as of August 2026. The most frequent departure time is 10:00AM, with 53% of daily flights leaving at noon.

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

89 flights are operational weekly from Frankfurt am Main Airport to Illinois as of August 2026. The most popular departure day for this route is Wed, with 17% of flights per week taking off on this day.

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Frankfurt am Main Airport to Illinois

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

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

$623Scandinavian Airlines

Tue, Nov 10 - Mon, Nov 16

1:05 pm - 5:20 pmFRA Frankfurt am Main-ORD Chicago O'Hare Intl

11h 15m1 stop Reykjavik Keflavik Intl

6:30 pm - 12:10 pmORD Chicago O'Hare Intl-FRA Frankfurt am Main

10h 40m1 stop Reykjavik Keflavik Intl

$631Icelandair

Wed, Nov 4 - Wed, Nov 11

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

$644Scandinavian Airlines

Sat, Jan 30 - Sat, Feb 6

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

13h 15m1 stop Kastrup Copenhagen

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

31h 30m1 stop Kastrup Copenhagen

$644Scandinavian Airlines

Thu, Jan 28 - Sat, Feb 6

10:55 am - 8:00 amFRA Frankfurt am Main-ORD Chicago O'Hare Intl

27h 05m1 stop Detroit Metropolitan Wayne County

6:00 pm - 5:20 amORD Chicago O'Hare Intl-FRA Frankfurt am Main

29h 20m1 stop Boston Logan Intl

$658United Airlines

Fri, Oct 30 - Sat, Oct 31

11:10 am - 8:13 pmFRA Frankfurt am Main-ORD Chicago O'Hare Intl

16h 03m1 stop Newark

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

8h 25mnonstop

$699United Airlines

Tue, Oct 6 - Thu, Oct 22

11:10 am - 9:00 pmFRA Frankfurt am Main-ORD Chicago O'Hare Intl

16h 50m1 stop Newark

6:06 pm - 12:10 pmORD Chicago O'Hare Intl-FRA Frankfurt am Main

11h 04m1 stop Washington, D.C. Dulles Intl

$699United Airlines

Fri, Sep 18 - Mon, Sep 28

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

9h 45mnonstop

3:30 pm - 7:25 amSTL Lambert-St Louis-FRA Frankfurt am Main

8h 55mnonstop

$745Lufthansa

Sun, Aug 30 - Mon, Sep 14

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

9h 45mnonstop

8:40 am - 7:20 amSTL Lambert-St Louis-FRA Frankfurt am Main

15h 40m1 stop Washington, D.C. Dulles Intl

$753Lufthansa

Sun, Aug 30 - Mon, Sep 14

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

9h 10mnonstop

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

8h 20mnonstop

$761Lufthansa

Fri, Sep 25 - Fri, Oct 2

Cheap last minute flights

Enter your travel dates to find the best prices.

9:20 am - 4:00 pmFRA Frankfurt am Main-ORD Chicago O'Hare Intl

13h 40m1 stop Charlotte Douglas

5:49 pm - 7:20 amORD Chicago O'Hare Intl-FRA Frankfurt am Main

30h 31m1 stop Charlotte Douglas

$721Iberia

Tue, Aug 18 - Tue, Sep 1

7:00 am - 2:15 pmFRA Frankfurt am Main-ORD Chicago O'Hare Intl

14h 15m1 stop Amsterdam Schiphol

10:07 am - 8:40 amORD Chicago O'Hare Intl-FRA Frankfurt am Main

15h 33m1 stop New York John F Kennedy Intl

$733Delta

Tue, Aug 18 - Tue, Sep 1

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

31h 00m1 stop Amsterdam Schiphol

4:50 pm - 11:05 amORD Chicago O'Hare Intl-FRA Frankfurt am Main

11h 15m1 stop Amsterdam Schiphol

$735KLM

Mon, Aug 17 - Mon, Aug 31

11:45 am - 10:03 pmFRA Frankfurt am Main-STL Lambert-St Louis

17h 18m2 stops Amsterdam Schiphol Minneapolis St Paul

5:34 pm - 2:20 pmSTL Lambert-St Louis-FRA Frankfurt am Main

13h 46m2 stops Minneapolis St Paul Paris Charles de Gaulle

$735Delta

Sat, Aug 15 - Wed, Aug 19

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

9h 10mnonstop

10:25 am - 9:10 amORD Chicago O'Hare Intl-FRA Frankfurt am Main

15h 45m1 stop Newark

$917United Airlines

Mon, Aug 17 - Wed, Sep 9

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

$917United Airlines

Tue, Aug 18 - Tue, Sep 1

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

$917United Airlines

Mon, Aug 17 - Wed, Sep 9

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

9h 10mnonstop

6:15 pm - 12:05 pmORD Chicago O'Hare Intl-FRA Frankfurt am Main

10h 50m1 stop London Heathrow

$921Lufthansa

Mon, Aug 17 - Mon, Aug 31

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

$923Lufthansa

Mon, Aug 17 - Mon, Aug 31

1:55 pm - 10:27 pmFRA Frankfurt am Main-STL Lambert-St Louis

15h 32m1 stop Houston George Bush Intcntl

3:30 pm - 7:25 amSTL Lambert-St Louis-FRA Frankfurt am Main

8h 55mnonstop

$999Lufthansa

Wed, Aug 19 - Tue, Sep 8

Cheap direct flights

Enter your travel dates to find the best prices.

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

9h 45mnonstop

3:30 pm - 7:25 amSTL Lambert-St Louis-FRA Frankfurt am Main

8h 55mnonstop

$745Lufthansa

Sun, Aug 30 - Mon, Sep 14

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

9h 10mnonstop

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

8h 20mnonstop

$761Lufthansa

Fri, Sep 25 - Fri, Oct 2

8:40 am - 12:05 pmFRA Frankfurt am Main-ORD Chicago O'Hare Intl

9h 25mnonstop

6:10 pm - 9:35 amORD Chicago O'Hare Intl-FRA Frankfurt am Main

8h 25mnonstop

$770Lufthansa

Tue, Oct 27 - Wed, Nov 4

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

9h 10mnonstop

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

8h 10mnonstop

$776Lufthansa

Fri, Oct 23 - Sat, Feb 13

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

$798United Airlines

Mon, Aug 24 - Sun, Sep 6

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

9h 45mnonstop

4:40 pm - 7:30 amSTL Lambert-St Louis-FRA Frankfurt am Main

8h 50mnonstop

$800United Airlines

Mon, Oct 12 - Fri, Oct 30

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

9h 45mnonstop

3:30 pm - 7:25 amSTL Lambert-St Louis-FRA Frankfurt am Main

8h 55mnonstop

$800United Airlines

Sun, Aug 30 - Mon, Sep 14

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

$823Multiple Airlines

Sun, Aug 23 - Sun, Sep 6

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

$824Multiple Airlines

Fri, Sep 4 - Sun, Sep 20

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

9h 45mnonstop

3:30 pm - 7:25 amSTL Lambert-St Louis-FRA Frankfurt am Main

8h 55mnonstop

$859Air Canada

Sun, Aug 30 - Mon, Sep 14

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TAP AIR PORTUGAL flights from Frankfurt am Main Airport to Illinois

Our best TAP AIR PORTUGAL deals on Frankfurt am Main Airport to Illinois flight tickets

TAP AIR PORTUGAL

Nov 11

FRA6:00 amFrankfurt am Main

16h 30m

1 stop

ORD3:30 pmChicago O'Hare Intl

Nov 25

ORD7:00 pmChicago O'Hare Intl

14h 55m

1 stop

FRA4:55 pmFrankfurt am Main

$661

TAP AIR PORTUGAL

Nov 13

FRA6:00 amFrankfurt am Main

16h 30m

1 stop

ORD3:30 pmChicago O'Hare Intl

Nov 22

ORD8:10 pmChicago O'Hare Intl

19h 30m

1 stop

FRA10:40 pmFrankfurt am Main

$665

TAP AIR PORTUGAL

Nov 13

FRA6:00 amFrankfurt am Main

16h 30m

1 stop

ORD3:30 pmChicago O'Hare Intl

Nov 22

ORD8:10 pmChicago O'Hare Intl

19h 30m

1 stop

FRA10:40 pmFrankfurt am Main

$666

ITA Airways flights from Frankfurt am Main Airport to Illinois

Our best ITA Airways deals on Frankfurt am Main Airport to Illinois flight tickets

ITA Airways

Sep 4

FRA6:25 pmFrankfurt am Main

25h 45m

1 stop

ORD1:10 pmChicago O'Hare Intl

Oct 7

ORD3:00 pmChicago O'Hare Intl

19h 40m

1 stop

FRA5:40 pmFrankfurt am Main

$682

ITA Airways

Sep 9

FRA6:25 pmFrankfurt am Main

25h 45m

1 stop

ORD1:10 pmChicago O'Hare Intl

Oct 9

ORD3:00 pmChicago O'Hare Intl

12h 50m

1 stop

FRA10:50 amFrankfurt am Main

$684

momondo Fare Finder

Use the filters below to find and compare flights from Frankfurt am Main Airport 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

Tue 11/10

10:30 am-4:45 pm

1 stop13h 15m

Chicago O'Hare Intl

Mon 11/16

7:15 pm-2:30 pm

1 stop12h 15m

$623

Frankfurt am MainChicago

FRA Frankfurt am Main - ORD Chicago O'Hare Intl

FRAORD

Frankfurt am Main

Wed 11/4

1:05 pm-5:20 pm

1 stop11h 15m

Chicago O'Hare Intl

Wed 11/11

6:30 pm-12:10 pm

1 stop10h 40m

$631

Frankfurt am MainChicago

FRA Frankfurt am Main - ORD Chicago O'Hare Intl

FRAORD

Frankfurt am Main

Sat 1/30

3:15 pm-4:45 pm

1 stop32h 30m

Chicago O'Hare Intl

Sat 2/6

7:15 pm-9:45 am

1 stop31h 30m

$644

Frankfurt am MainChicago

FRA Frankfurt am Main - ORD Chicago O'Hare Intl

FRAORD

Frankfurt am Main

Thu 1/28

10:30 am-4:45 pm

1 stop13h 15m

Chicago O'Hare Intl

Sat 2/6

7:15 pm-9:45 am

1 stop31h 30m

$644

Frankfurt am MainChicago

FRA Frankfurt am Main - ORD Chicago O'Hare Intl

FRAORD

Frankfurt am Main

Fri 10/30

10:55 am-8:00 am

1 stop27h 05m

Chicago O'Hare Intl

Sat 10/31

6:00 pm-5:20 am

1 stop29h 20m

$658

Frankfurt am MainChicago

FRA Frankfurt am Main - ORD Chicago O'Hare Intl

FRAORD

Frankfurt am Main

Tue 10/6

11:10 am-8:13 pm

1 stop16h 03m

Chicago O'Hare Intl

Thu 10/22

6:30 pm-9:55 am

Nonstop8h 25m

$699

Frankfurt am MainChicago

FRA Frankfurt am Main - ORD Chicago O'Hare Intl

FRAORD

Frankfurt am Main

Fri 9/18

11:10 am-9:00 pm

1 stop16h 50m

Chicago O'Hare Intl

Mon 9/28

6:06 pm-12:10 pm

1 stop11h 04m

$699

Frankfurt am MainSt. Louis

FRA Frankfurt am Main - STL Lambert-St Louis

FRASTL

Frankfurt am Main

Sun 8/30

10:40 am-1:25 pm

Nonstop9h 45m

Lambert-St Louis

Mon 9/14

3:30 pm-7:25 am

Nonstop8h 55m

$745

Frankfurt am MainSt. Louis

FRA Frankfurt am Main - STL Lambert-St Louis

FRASTL

Frankfurt am Main

Sun 8/30

10:40 am-1:25 pm

Nonstop9h 45m

Lambert-St Louis

Mon 9/14

8:40 am-7:20 am

1 stop15h 40m

$753

Quickest round-trip

Frankfurt am MainChicago

FRA Frankfurt am Main - ORD Chicago O'Hare Intl

FRAORD

Frankfurt am Main

Fri 9/25

8:50 am-11:00 am

Nonstop9h 10m

Chicago O'Hare Intl

Fri 10/2

4:05 pm-7:25 am

Nonstop8h 20m

$761

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 Airport 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 Airport is in November. Flight prices, which tend to average around $698, 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 November, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $702.

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

The cheapest day to depart from Frankfurt am Main Airport to Illinois is on a Thursday when prices can be found for as low as $812. Flights from Frankfurt am Main Airport to Illinois on a Saturday will generally be more expensive and average around $900. 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 Airport to Illinois during this time can be as low as $862. Flights in the afternoon are often more expensive with an average ticket price of $872.

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 Airport to Illinois?

You are more likely to see cheaper flights to Illinois from Frankfurt am Main Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around $814 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 Airport for as low as $699 on momondo.

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

There are 3 cabin classes available to choose from on Frankfurt am Main Airport to Illinois flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Frankfurt am Main Airport to Illinois flights?

You could potentially save up to 17% on your flight if you consider stops on a Frankfurt am Main Airport to Illinois flight.

Cheap Frankfurt am Main Airport to Illinois flight deals and tips

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

Best Price Found	$874
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 Airport in the past 72 hours is $874. The best round-trip flight deal from Frankfurt am Main Airport to Illinois found on momondo in the last 72 hours is $832.

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

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

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

Search flight deals

Frequently asked questions about flying from Frankfurt am Main Airport to Illinois

When did momondo last update prices for flights from Frankfurt am Main Airport to Illinois?
Prices for flights from Frankfurt am Main Airport to Illinois are updated daily.
How many operators does momondo search for flights from Frankfurt am Main Airport to Illinois?
The number of operators available for flights from Frankfurt am Main Airport to Illinois is 2 as of August 2026.
How old do you have to be to fly from Frankfurt am Main Airport 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 Airport to Illinois.
What documentation or ID do you need to fly to Illinois?
The travel and health documents required for your trip to Illinois can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Illinois. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Frankfurt am Main Airport to Illinois?
momondo data reveals that the most frequently booked plane model on the route from Frankfurt am Main Airport to Illinois is Boeing 747-8, representing 24.51% of all bookings. The subsequent popular models are Boeing 787-10 Dreamliner at 21.56%, Airbus A340-300 at 10.79%, and Boeing 787-9 Dreamliner at 9.46%.

Best airlines flying from Frankfurt am Main Airport to Illinois

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

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $617	Free Cancellation	Rating 7.4 10,109 reviews		Search United Airlines flights
Lufthansa	PriceFrom $668	Free Cancellation	Rating 6.8 8,191 reviews		Search Lufthansa flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Frankfurt am Main to Illinois. momondo saves you time and could save you money on your trip.

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

Yes. momondo enables you to select and highlight flights to Illinois from Frankfurt am Main with this policy.

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?

Of course. momondo tracks the price of Frankfurt am Main to Illinois flights. All you need is a valid email address and we will do the rest; it is that quick and easy.