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Cheap flights from Frankfurt am Main Airport to Illinois from $405

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Frankfurt am Main Airport to Illinois departing on 6/28. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Find the cheapest flights from Frankfurt am Main Airport to Illinois

Cheap round-trip flights

Enter your travel dates to find the best prices.
British Airways Logo
9:20 am - 10:42 pm
FRA
-
STL
20h 22m
1 stop
British Airways Logo
9:35 pm - 9:45 pm
STL
-
FRA
17h 10m
1 stop
$710British Airways
Mon, Sep 14 - Fri, Oct 2
British Airways Logo
9:20 am - 5:30 pm
FRA
-
STL
15h 10m
1 stop
British Airways Logo
9:35 pm - 7:45 pm
STL
-
FRA
15h 10m
1 stop
$711British Airways
Mon, Sep 14 - Tue, Sep 29
British Airways Logo
9:20 am - 7:00 pm
FRA
-
STL
16h 40m
1 stop
British Airways Logo
5:13 pm - 8:45 am
STL
-
FRA
32h 32m
1 stop
$712British Airways
Mon, Jun 22 - Sun, Jul 5
Multiple Airlines Logo
11:30 am - 12:14 am
FRA
-
STL
19h 44m
2 stops
Multiple Airlines Logo
9:35 pm - 6:20 pm
STL
-
FRA
13h 45m
1 stop
$720Multiple Airlines
Tue, Sep 8 - Fri, Sep 25
Lufthansa Logo
8:50 am - 11:00 am
FRA
-
ORD
9h 10mnonstop
Lufthansa Logo
6:30 pm - 9:55 am
ORD
-
FRA
8h 25mnonstop
$789Lufthansa
Thu, Jun 18 - Wed, Jul 1
United Airlines Logo
11:25 am - 3:55 pm
FRA
-
ORD
11h 30m
1 stop
United Airlines Logo
3:40 pm - 11:00 am
ORD
-
FRA
12h 20m
1 stop
$790United Airlines
Thu, Jun 18 - Thu, Jul 2
United Airlines Logo
11:25 am - 3:55 pm
FRA
-
ORD
11h 30m
1 stop
United Airlines Logo
3:10 pm - 6:30 am
ORD
-
FRA
8h 20mnonstop
$791United Airlines
Thu, Jun 18 - Wed, Jul 1
Delta Logo
6:55 am - 4:25 pm
FRA
-
MDW
16h 30m
2 stops
Delta Logo
9:30 am - 7:50 am
MDW
-
FRA
15h 20m
2 stops
$791Delta
Fri, Nov 13 - Sat, Nov 21
Delta Logo
7:00 am - 6:11 pm
FRA
-
MDW
18h 11m
2 stops
Delta Logo
1:14 pm - 11:25 am
MDW
-
FRA
15h 11m
2 stops
$792Delta
Fri, Oct 2 - Mon, Oct 5
Multiple Airlines Logo
7:45 am - 12:35 pm
FRA
-
ORD
11h 50m
1 stop
Multiple Airlines Logo
6:30 pm - 9:55 am
ORD
-
FRA
8h 25mnonstop
$792Multiple Airlines
Mon, Sep 21 - Sun, Oct 4

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United Airlines flights from Frankfurt am Main Airport to Illinois

Our best United Airlines deals on Frankfurt am Main Airport to Illinois flight tickets
United Airlines
Jun 18
FRA11:25 amFrankfurt am Main
11h 30m
1 stop
ORD3:55 pmChicago O'Hare Intl
Jul 2
ORD3:40 pmChicago O'Hare Intl
12h 20m
1 stop
FRA11:00 amFrankfurt am Main
$790
United Airlines
Jun 18
FRA11:25 amFrankfurt am Main
11h 30m
1 stop
ORD3:55 pmChicago O'Hare Intl
Jul 1
ORD3:10 pmChicago O'Hare Intl
8h 20m
FRA6:30 amFrankfurt am Main
$791
United Airlines
Sep 23
FRA9:45 amFrankfurt am Main
13h 10m
1 stop
ORD3:55 pmChicago O'Hare Intl
Oct 9
ORD4:05 pmChicago O'Hare Intl
8h 20m
FRA7:25 amFrankfurt am Main
$793

Air Canada flights from Frankfurt am Main Airport to Illinois

Our best Air Canada deals on Frankfurt am Main Airport to Illinois flight tickets
Air Canada
Jun 22
FRA9:55 amFrankfurt am Main
17h 12m
2 stops
STL8:07 pmLambert-St Louis
Jul 6
STL12:10 pmLambert-St Louis
10h 50m
1 stop
FRA6:00 amFrankfurt am Main
$797
Air Canada
Jun 18
FRA9:55 amFrankfurt am Main
15h 57m
2 stops
ORD6:52 pmChicago O'Hare Intl
Jul 2
ORD8:35 amChicago O'Hare Intl
14h 25m
1 stop
FRA6:00 amFrankfurt am Main
$802
Air Canada
Aug 16
FRA8:20 amFrankfurt am Main
15h 37m
2 stops
ORD4:57 pmChicago O'Hare Intl
Aug 25
ORD2:00 pmChicago O'Hare Intl
14h 00m
2 stops
FRA11:00 amFrankfurt am Main
$806

momondo Fare Finder

 
Customize your flight search to find flights from Frankfurt am Main Airport 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, momondo users made 832,500 searches. Data last updated June 9, 2026.
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 MainSt. Louis

FRA - STL

FRASTL

Frankfurt am Main

Mon 9/14

9:20 am-10:42 pm

1 stop20h 22m

Lambert-St Louis

Fri 10/2

9:35 pm-9:45 pm

1 stop17h 10m

$710

Frankfurt am MainSt. Louis

FRA - STL

FRASTL

Frankfurt am Main

Mon 9/14

9:20 am-5:30 pm

1 stop15h 10m

Lambert-St Louis

Tue 9/29

9:35 pm-7:45 pm

1 stop15h 10m

$711

Frankfurt am MainSt. Louis

FRA - STL

FRASTL

Frankfurt am Main

Mon 6/22

9:20 am-7:00 pm

1 stop16h 40m

Lambert-St Louis

Sun 7/5

5:13 pm-8:45 am

1 stop32h 32m

$712

Frankfurt am MainSt. Louis

FRA - STL

FRASTL

Frankfurt am Main

Tue 9/8

11:30 am-12:14 am

2 stops19h 44m

Lambert-St Louis

Fri 9/25

9:35 pm-6:20 pm

1 stop13h 45m

$720
Quickest round-trip

Frankfurt am MainChicago

FRA - ORD

FRAORD

Frankfurt am Main

Thu 6/18

8:50 am-11:00 am

Nonstop9h 10m

Chicago O'Hare Intl

Wed 7/1

6:30 pm-9:55 am

Nonstop8h 25m

$789

Frankfurt am MainChicago

FRA - ORD

FRAORD

Frankfurt am Main

Thu 6/18

11:25 am-3:55 pm

1 stop11h 30m

Chicago O'Hare Intl

Thu 7/2

3:40 pm-11:00 am

1 stop12h 20m

$790

Frankfurt am MainChicago

FRA - ORD

FRAORD

Frankfurt am Main

Thu 6/18

11:25 am-3:55 pm

1 stop11h 30m

Chicago O'Hare Intl

Wed 7/1

3:10 pm-6:30 am

Nonstop8h 20m

$791

Frankfurt am MainChicago

FRA - MDW

FRAMDW

Frankfurt am Main

Fri 11/13

6:55 am-4:25 pm

2 stops16h 30m

Chicago Midway

Sat 11/21

9:30 am-7:50 am

2 stops15h 20m

$791

Frankfurt am MainChicago

FRA - MDW

FRAMDW

Frankfurt am Main

Fri 10/2

7:00 am-6:11 pm

2 stops18h 11m

Chicago Midway

Mon 10/5

1:14 pm-11:25 am

2 stops15h 11m

$792

Frankfurt am MainChicago

FRA - ORD

FRAORD

Frankfurt am Main

Mon 9/21

7:45 am-12:35 pm

1 stop11h 50m

Chicago O'Hare Intl

Sun 10/4

6:30 pm-9:55 am

Nonstop8h 25m

$792

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Illinois from

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

What is the cheapest month to fly to Illinois?

The cheapest month to fly to Illinois from Frankfurt am Main Airport 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 Airport to Illinois is on a Thursday when prices can be found for as low as $797. Flights from Frankfurt am Main Airport to Illinois on a Saturday will generally be more expensive and average around $908. 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 $841. 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 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 $772 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 $661 on momondo.

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

There are 4 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 25% 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

$882

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 $882. The best round-trip flight deal from Frankfurt am Main Airport to Illinois found on momondo in the last 72 hours is $858.
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?

  • 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?

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 AirlinesPriceFrom $606Free CancellationRating
7.4
9,783 reviews
Search United Airlines flights
LufthansaPriceFrom $652Free CancellationRating
6.8
8,046 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.

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