Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Frankfurt am Main to Illinois from $322

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 to Illinois departing on 12/12. 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
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Frankfurt am Main to Illinois

Cheap round-trip flights

KLM Logo
9:50 am - 6:02 pmFRA-STL
14h 12m1 stop
KLM Logo
9:33 am - 8:40 amSTL-FRA
16h 07m1 stop
$581KLM
Find Deal
Fri, Oct 31 - Sun, Nov 16
Air France Logo
11:00 am - 6:25 pmFRA-MDW
14h 25m1 stop
Air France Logo
1:08 pm - 9:50 amMDW-FRA
13h 42m1 stop
$581Air France
Find Deal
Mon, Oct 6 - Sun, Oct 19
United Airlines Logo
6:40 am - 12:55 pmFRA-ORD
13h 15m1 stop
United Airlines Logo
4:00 pm - 10:05 amORD-FRA
11h 05m1 stop
$581United Airlines
Find Deal
Mon, Oct 6 - Sun, Oct 19
British Airways Logo
7:00 am - 6:45 pmFRA-ORD
18h 45m1 stop
British Airways Logo
5:10 pm - 10:00 pmORD-FRA
21h 50m1 stop
$582British Airways
Find Deal
Fri, Dec 19 - Thu, Jan 1
American Airlines Logo
9:20 am - 5:42 pmFRA-ORD
15h 22m1 stop
American Airlines Logo
7:25 pm - 2:10 pmORD-FRA
12h 45m1 stop
$583American Airlines
Find Deal
Sat, Oct 25 - Tue, Oct 28
United Airlines Logo
12:40 pm - 2:55 pmFRA-ORD
9h 15mnonstop
United Airlines Logo
6:35 pm - 9:55 amORD-FRA
8h 20mnonstop
$586United Airlines
Find Deal
Mon, Oct 6 - Sun, Oct 19
British Airways Logo
10:55 am - 3:06 pmFRA-ORD
35h 11m1 stop
British Airways Logo
9:45 pm - 8:45 amORD-FRA
28h 00m1 stop
$592British Airways
Find Deal
Thu, Oct 9 - Mon, Oct 13
Lufthansa Logo
12:40 pm - 2:55 pmFRA-ORD
9h 15mnonstop
Lufthansa Logo
3:05 pm - 6:30 amORD-FRA
8h 25mnonstop
$594Lufthansa
Find Deal
Sun, Oct 5 - Sat, Oct 18
Lufthansa Logo
8:40 am - 11:10 amFRA-ORD
9h 30mnonstop
Lufthansa Logo
3:20 pm - 6:35 amORD-FRA
8h 15mnonstop
$598Lufthansa
Find Deal
Wed, Nov 5 - Wed, Nov 12
Icelandair Logo
5:10 pm - 9:15 pmFRA-ORD
11h 05m1 stop
Icelandair Logo
7:30 pm - 12:05 pmORD-FRA
10h 35m1 stop
$611Icelandair
Find Deal
Wed, Oct 15 - Sun, Mar 15

Lufthansa flights from Frankfurt am Main to Illinois

Our best Lufthansa deals on Frankfurt am Main to Illinois flight tickets
Lufthansa
Oct 5
FRA12:40 pmFrankfurt am Main
9h 15m
ORD2:55 pmChicago O'Hare Intl
Oct 18
ORD3:05 pmChicago O'Hare Intl
8h 25m
FRA6:30 amFrankfurt am Main
$594
Find similar
Lufthansa
Nov 5
FRA8:40 amFrankfurt am Main
9h 30m
ORD11:10 amChicago O'Hare Intl
Nov 12
ORD3:20 pmChicago O'Hare Intl
8h 15m
FRA6:35 amFrankfurt am Main
$598
Find similar
Lufthansa
Oct 15
FRA6:40 amFrankfurt am Main
13h 15m
1 stop
ORD12:55 pmChicago O'Hare Intl
Oct 19
ORD4:00 pmChicago O'Hare Intl
8h 20m
FRA7:20 amFrankfurt am Main
$604
Find similar

Delta flights from Frankfurt am Main to Illinois

Our best Delta deals on Frankfurt am Main to Illinois flight tickets
Delta
Oct 6
FRA7:00 amFrankfurt am Main
14h 40m
1 stop
ORD2:40 pmChicago O'Hare Intl
Oct 19
ORD5:10 pmChicago O'Hare Intl
17h 35m
1 stop
FRA5:45 pmFrankfurt am Main
$585
Find similar
Delta
Sep 28
FRA11:45 amFrankfurt am Main
18h 24m
2 stops
STL11:09 pmLambert-St Louis
Oct 12
STL9:10 amLambert-St Louis
16h 50m
2 stops
FRA9:00 amFrankfurt am Main
$588
Find similar
Delta
Nov 14
FRA11:50 amFrankfurt am Main
18h 54m
2 stops
STL11:44 pmLambert-St Louis
Nov 19
STL4:30 pmLambert-St Louis
17h 15m
2 stops
FRA4:45 pmFrankfurt am Main
$589
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Frankfurt am Main 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 September 22, 2025.
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

Frankfurt am MainSt. Louis

FRA - STL

FRASTL

Frankfurt am Main

Fri 10/31

9:50 am-6:02 pm

1 stop14h 12m

Lambert-St Louis

Sun 11/16

9:33 am-8:40 am

1 stop16h 07m

$581

Frankfurt am MainChicago

FRA - MDW

FRAMDW

Frankfurt am Main

Mon 10/6

11:00 am-6:25 pm

1 stop14h 25m

Chicago Midway

Sun 10/19

1:08 pm-9:50 am

1 stop13h 42m

$581

Frankfurt am MainChicago

FRA - ORD

FRAORD

Frankfurt am Main

Mon 10/6

6:40 am-12:55 pm

1 stop13h 15m

Chicago O'Hare Intl

Sun 10/19

4:00 pm-10:05 am

1 stop11h 05m

$581

Frankfurt am MainChicago

FRA - ORD

FRAORD

Frankfurt am Main

Fri 12/19

7:00 am-6:45 pm

1 stop18h 45m

Chicago O'Hare Intl

Thu 1/1

5:10 pm-10:00 pm

1 stop21h 50m

$582

Frankfurt am MainChicago

FRA - ORD

FRAORD

Frankfurt am Main

Sat 10/25

9:20 am-5:42 pm

1 stop15h 22m

Chicago O'Hare Intl

Tue 10/28

7:25 pm-2:10 pm

1 stop12h 45m

$583

Frankfurt am MainChicago

FRA - ORD

FRAORD

Frankfurt am Main

Mon 10/6

12:40 pm-2:55 pm

Nonstop9h 15m

Chicago O'Hare Intl

Sun 10/19

6:35 pm-9:55 am

Nonstop8h 20m

$586

Frankfurt am MainChicago

FRA - ORD

FRAORD

Frankfurt am Main

Thu 10/9

10:55 am-3:06 pm

1 stop35h 11m

Chicago O'Hare Intl

Mon 10/13

9:45 pm-8:45 am

1 stop28h 00m

$592

Frankfurt am MainChicago

FRA - ORD

FRAORD

Frankfurt am Main

Sun 10/5

12:40 pm-2:55 pm

Nonstop9h 15m

Chicago O'Hare Intl

Sat 10/18

3:05 pm-6:30 am

Nonstop8h 25m

$594

Frankfurt am MainChicago

FRA - ORD

FRAORD

Frankfurt am Main

Wed 11/5

8:40 am-11:10 am

Nonstop9h 30m

Chicago O'Hare Intl

Wed 11/12

3:20 pm-6:35 am

Nonstop8h 15m

$598

Frankfurt am MainChicago

FRA - ORD

FRAORD

Frankfurt am Main

Wed 10/15

5:10 pm-9:15 pm

1 stop11h 05m

Chicago O'Hare Intl

Sun 3/15

7:30 pm-12:05 pm

1 stop10h 35m

$611

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Illinois from

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

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 $582, 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 January is also cheap. Prices for this month can be found on momondo for an average of $607.

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 $716. Flights from Frankfurt am Main to Illinois on a Saturday will generally be more expensive and average around $795. 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 at noon. Flights from Frankfurt am Main to Illinois during this time can be as low as $706. Flights in the morning are often more expensive with an average ticket price of $756.

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 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 $708 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 $617 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

2 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 2 airports near Illinois: Chicago O'Hare Intl (ORD), Lambert-St Louis (STL)
Search flight deals

  • 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?

  • 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
DeltaPriceFrom $390Free CancellationRating
7.9
7,971 reviews
Search Delta flights
IcelandairPriceFrom $480Free CancellationRating
7.0
545 reviews
Search Icelandair flights
British AirwaysPriceFrom $509Free CancellationRating
6.7
7,386 reviews
Search British Airways flights
United AirlinesPriceFrom $543Free CancellationRating
7.4
8,922 reviews
Search United Airlines flights
LufthansaPriceFrom $553Free CancellationRating
6.8
7,421 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.

An easier way to manage your Illinois trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Wed 10/22
Wed 10/29
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Illinois

Popular cities in Illinois

Popular flights according to clicks in the last 7 days on momondo
Flights to New Yorkfrom $47
Flights to Los Angelesfrom $38
Flights to Miamifrom $58
Flights to Chicagofrom $60
Flights to Orlandofrom $39
Flights to Las Vegasfrom $39
Flights to San Franciscofrom $51
Flights to Washington, D.C.from $50
Flights to Bostonfrom $67
Flights to Atlantafrom $39
Flights to Dallasfrom $59
Flights to Seattlefrom $102