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Cheap flights from Frankfurt am Main to Illinois from $334

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 10/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Frankfurt am Main to Illinois

Cheap round-trip flights

SWISS Logo
8:45 pm - 4:20 pmFRA-ORD
26h 35m1 stop
SWISS Logo
6:50 pm - 7:55 pmORD-FRA
18h 05m1 stop
$435SWISS
Find Deal
Mon, Dec 1 - Mon, Dec 15
Scandinavian Airlines Logo
3:15 pm - 4:45 pmFRA-ORD
32h 30m1 stop
Scandinavian Airlines Logo
7:20 pm - 2:30 pmORD-FRA
12h 10m1 stop
$473Scandinavian Airlines
Find Deal
Fri, Nov 21 - Wed, Nov 26
Icelandair Logo
5:10 pm - 6:15 pmFRA-ORD
32h 05m1 stop
Icelandair Logo
10:15 pm - 1:00 pmORD-FRA
31h 45m1 stop
$504Icelandair
Find Deal
Mon, Sep 1 - Sun, Sep 14
Icelandair Logo
5:10 pm - 9:15 pmFRA-ORD
11h 05m1 stop
Icelandair Logo
7:25 pm - 4:05 pmORD-FRA
13h 40m1 stop
$505Icelandair
Find Deal
Wed, Sep 24 - Thu, Oct 9
United Airlines Logo
10:40 am - 1:30 pmFRA-STL
9h 50mnonstop
United Airlines Logo
12:25 pm - 9:55 amSTL-FRA
14h 30m1 stop
$562United Airlines
Find Deal
Fri, Sep 19 - Fri, Oct 3
Lufthansa Logo
10:40 am - 1:30 pmFRA-STL
9h 50mnonstop
Lufthansa Logo
3:30 pm - 7:25 amSTL-FRA
8h 55mnonstop
$570Lufthansa
Find Deal
Fri, Sep 19 - Fri, Oct 3
United Airlines Logo
10:40 am - 1:30 pmFRA-STL
9h 50mnonstop
United Airlines Logo
3:30 pm - 7:25 amSTL-FRA
8h 55mnonstop
$581United Airlines
Find Deal
Fri, Sep 19 - Fri, Oct 3
Lufthansa Logo
10:40 am - 1:30 pmFRA-STL
9h 50mnonstop
Lufthansa Logo
12:25 pm - 6:30 amSTL-FRA
11h 05m1 stop
$582Lufthansa
Find Deal
Fri, Sep 19 - Fri, Oct 3
British Airways Logo
6:40 am - 8:15 pmFRA-STL
20h 35m2 stops
British Airways Logo
5:25 pm - 6:50 pmSTL-FRA
18h 25m2 stops
$589British Airways
Find Deal
Sat, Sep 13 - Sat, Sep 20
British Airways Logo
10:40 am - 8:32 pmFRA-STL
16h 52m2 stops
British Airways Logo
5:00 pm - 6:15 pmSTL-FRA
18h 15m2 stops
$646British Airways
Find Deal
Fri, Sep 19 - Fri, Oct 3

Icelandair flights from Frankfurt am Main to Illinois

Our best Icelandair deals on Frankfurt am Main to Illinois flight tickets
Icelandair
Sep 1
FRA5:10 pmFrankfurt am Main
32h 05m
1 stop
ORD6:15 pmChicago O'Hare Intl
Sep 14
ORD10:15 pmChicago O'Hare Intl
31h 45m
1 stop
FRA1:00 pmFrankfurt am Main
$504
Find similar
Icelandair
Sep 24
FRA5:10 pmFrankfurt am Main
11h 05m
1 stop
ORD9:15 pmChicago O'Hare Intl
Oct 9
ORD7:25 pmChicago O'Hare Intl
13h 40m
1 stop
FRA4:05 pmFrankfurt am Main
$505
Find similar
Icelandair
Sep 5
FRA2:00 pmFrankfurt am Main
11h 15m
1 stop
ORD6:15 pmChicago O'Hare Intl
Sep 21
ORD10:15 pmChicago O'Hare Intl
31h 45m
1 stop
FRA1:00 pmFrankfurt am Main
$511
Find similar

TAP AIR PORTUGAL flights from Frankfurt am Main to Illinois

Our best TAP AIR PORTUGAL deals on Frankfurt am Main to Illinois flight tickets
TAP AIR PORTUGAL
Nov 20
FRA5:45 pmFrankfurt am Main
28h 30m
1 stop
ORD3:15 pmChicago O'Hare Intl
Dec 3
ORD7:10 pmChicago O'Hare Intl
14h 45m
1 stop
FRA4:55 pmFrankfurt am Main
$474
Find similar
TAP AIR PORTUGAL
Nov 26
FRA6:00 amFrankfurt am Main
16h 00m
1 stop
ORD3:00 pmChicago O'Hare Intl
Dec 10
ORD7:10 pmChicago O'Hare Intl
14h 45m
1 stop
FRA4:55 pmFrankfurt am Main
$475
Find similar
TAP AIR PORTUGAL
Nov 5
FRA6:00 amFrankfurt am Main
16h 00m
1 stop
ORD3:00 pmChicago O'Hare Intl
Nov 9
ORD8:25 pmChicago O'Hare Intl
13h 30m
1 stop
FRA4:55 pmFrankfurt am Main
$501
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 July 31, 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 MainChicago

FRA - ORD

FRAORD

Frankfurt am Main

Mon 12/1

8:45 pm-4:20 pm

1 stop26h 35m

Chicago O'Hare Intl

Mon 12/15

6:50 pm-7:55 pm

1 stop18h 05m

$435

Frankfurt am MainChicago

FRA - ORD

FRAORD

Frankfurt am Main

Fri 11/21

3:15 pm-4:45 pm

1 stop32h 30m

Chicago O'Hare Intl

Wed 11/26

7:20 pm-2:30 pm

1 stop12h 10m

$473

Frankfurt am MainChicago

FRA - ORD

FRAORD

Frankfurt am Main

Mon 9/1

5:10 pm-6:15 pm

1 stop32h 05m

Chicago O'Hare Intl

Sun 9/14

10:15 pm-1:00 pm

1 stop31h 45m

$504

Frankfurt am MainChicago

FRA - ORD

FRAORD

Frankfurt am Main

Wed 9/24

5:10 pm-9:15 pm

1 stop11h 05m

Chicago O'Hare Intl

Thu 10/9

7:25 pm-4:05 pm

1 stop13h 40m

$505

Frankfurt am MainSt. Louis

FRA - STL

FRASTL

Frankfurt am Main

Fri 9/19

10:40 am-1:30 pm

Nonstop9h 50m

Lambert-St Louis

Fri 10/3

12:25 pm-9:55 am

1 stop14h 30m

$562

Frankfurt am MainSt. Louis

FRA - STL

FRASTL

Frankfurt am Main

Fri 9/19

10:40 am-1:30 pm

Nonstop9h 50m

Lambert-St Louis

Fri 10/3

3:30 pm-7:25 am

Nonstop8h 55m

$570

Frankfurt am MainSt. Louis

FRA - STL

FRASTL

Frankfurt am Main

Fri 9/19

10:40 am-1:30 pm

Nonstop9h 50m

Lambert-St Louis

Fri 10/3

3:30 pm-7:25 am

Nonstop8h 55m

$581

Frankfurt am MainSt. Louis

FRA - STL

FRASTL

Frankfurt am Main

Fri 9/19

10:40 am-1:30 pm

Nonstop9h 50m

Lambert-St Louis

Fri 10/3

12:25 pm-6:30 am

1 stop11h 05m

$582

Frankfurt am MainSt. Louis

FRA - STL

FRASTL

Frankfurt am Main

Sat 9/13

6:40 am-8:15 pm

2 stops20h 35m

Lambert-St Louis

Sat 9/20

5:25 pm-6:50 pm

2 stops18h 25m

$589

Frankfurt am MainSt. Louis

FRA - STL

FRASTL

Frankfurt am Main

Fri 9/19

10:40 am-8:32 pm

2 stops16h 52m

Lambert-St Louis

Fri 10/3

5:00 pm-6:15 pm

2 stops18h 15m

$646

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 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 $583, 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 $698. Flights from Frankfurt am Main to Illinois on a Saturday will generally be more expensive and average around $817. 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 $751.

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 $704 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 $607 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

Best Price Found

$334

Fastest flight time

9h 50m

Direct flights

Every day

Airports in Illinois

4 airports
The best one-way flight to Illinois from Frankfurt am Main in the past 72 hours is $334. The best round-trip flight deal from Frankfurt am Main to Illinois found on momondo in the last 72 hours is $435.
The fastest flight from Frankfurt am Main to Illinois takes 9h 50m
Direct flights go from Frankfurt am Main to Illinois every day.
There are 4 airports near Illinois: Chicago O'Hare Intl (ORD), Chicago Midway (MDW), Lambert-St Louis (STL), Moline Quad-City (MLI)
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
8.0
7,981 reviews
Search Delta flights
IcelandairPriceFrom $480Free CancellationRating
7.0
520 reviews
Search Icelandair flights
British AirwaysPriceFrom $524Free CancellationRating
6.6
7,222 reviews
Search British Airways flights
United AirlinesPriceFrom $543Free CancellationRating
7.4
8,900 reviews
Search United Airlines flights
LufthansaPriceFrom $553Free CancellationRating
6.8
7,275 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.

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