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Cheap flights from Illinois to Frankfurt am Main from $390

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Frankfurt am Main departing on 8/4. 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

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Find the cheapest flights from Illinois to Frankfurt am Main

Cheap round-trip flights

Enter your travel dates to find the best prices.
Scandinavian Airlines Logo
7:15 pm - 7:45 pm
ORD
-
FRA
17h 30m
1 stop
Scandinavian Airlines Logo
8:30 pm - 4:45 pm
FRA
-
ORD
27h 15m
1 stop
$752Scandinavian Airlines
Mon, Sep 21 - Mon, Nov 2
Multiple Airlines Logo
6:00 am - 6:10 am
ORD
-
FRA
17h 10m
1 stop
Multiple Airlines Logo
12:30 pm - 7:22 pm
FRA
-
ORD
13h 52m
1 stop
$755Multiple Airlines
Mon, Sep 7 - Tue, Sep 15
KLM Logo
6:00 am - 8:55 am
MLI
-
FRA
19h 55m
1 stop
KLM Logo
7:00 am - 4:25 pm
FRA
-
MLI
16h 25m
2 stops
$1,011KLM
Tue, Aug 11 - Thu, Aug 27
Virgin Atlantic Logo
11:08 am - 8:55 am
MLI
-
FRA
14h 47m
1 stop
Virgin Atlantic Logo
10:40 am - 10:28 pm
FRA
-
MLI
18h 48m
1 stop
$1,014Virgin Atlantic
Tue, Aug 11 - Thu, Aug 27
KLM Logo
11:08 am - 9:50 am
MLI
-
FRA
15h 42m
2 stops
KLM Logo
7:00 am - 4:25 pm
FRA
-
MLI
16h 25m
2 stops
$1,016KLM
Tue, Aug 11 - Thu, Aug 27
Aer Lingus Logo
6:00 am - 10:15 am
STL
-
FRA
21h 15m
2 stops
Aer Lingus Logo
10:55 am - 11:59 pm
FRA
-
STL
20h 04m
2 stops
$1,151Aer Lingus
Thu, Aug 13 - Sun, Aug 23
Lufthansa Logo
3:30 pm - 7:25 am
STL
-
FRA
8h 55mnonstop
Lufthansa Logo
10:40 am - 1:25 pm
FRA
-
STL
9h 45mnonstop
$1,178Lufthansa
Mon, Jul 6 - Tue, Jul 21
Aer Lingus Logo
6:00 am - 10:15 am
STL
-
FRA
21h 15m
2 stops
Aer Lingus Logo
10:55 am - 11:59 pm
FRA
-
STL
20h 04m
2 stops
$1,183Aer Lingus
Wed, Aug 5 - Wed, Aug 26
Virgin Atlantic Logo
5:56 am - 8:55 am
MLI
-
FRA
19h 59m
1 stop
Virgin Atlantic Logo
10:40 am - 10:34 pm
FRA
-
MLI
18h 54m
1 stop
$1,238Virgin Atlantic
Tue, Jun 9 - Mon, Jun 15
Lufthansa Logo
5:33 pm - 2:05 pm
PIA
-
FRA
13h 32m
1 stop
Lufthansa Logo
8:50 am - 3:39 pm
FRA
-
PIA
13h 49m
1 stop
$3,379Lufthansa
Sat, May 30 - Wed, Jun 3

TAP AIR PORTUGAL flights from Illinois to Frankfurt am Main Airport

Our best TAP AIR PORTUGAL deals on Illinois to Frankfurt am Main Airport flight tickets
TAP AIR PORTUGAL
Aug 12
ORD6:00 pmChicago O'Hare Intl
17h 40m
1 stop
FRA6:40 pmFrankfurt am Main
Sep 16
FRA6:05 amFrankfurt am Main
16h 55m
1 stop
ORD4:00 pmChicago O'Hare Intl
$831
TAP AIR PORTUGAL
May 17
ORD6:00 pmChicago O'Hare Intl
32h 10m
1 stop
FRA9:10 amFrankfurt am Main
May 19
FRA7:40 pmFrankfurt am Main
27h 20m
1 stop
ORD4:00 pmChicago O'Hare Intl
$1,162
TAP AIR PORTUGAL
May 17
ORD6:00 pmChicago O'Hare Intl
32h 10m
1 stop
FRA9:10 amFrankfurt am Main
May 19
FRA1:30 pmFrankfurt am Main
33h 30m
1 stop
ORD4:00 pmChicago O'Hare Intl
$1,176

Lufthansa flights from Illinois to Frankfurt am Main Airport

Our best Lufthansa deals on Illinois to Frankfurt am Main Airport flight tickets
Lufthansa
Nov 1
STL3:50 pmLambert-St Louis
8h 40m
FRA7:30 amFrankfurt am Main
Nov 8
FRA10:45 amFrankfurt am Main
10h 10m
STL1:55 pmLambert-St Louis
$1,099
Lufthansa
Nov 1
STL3:50 pmLambert-St Louis
8h 40m
FRA7:30 amFrankfurt am Main
Nov 8
FRA10:45 amFrankfurt am Main
10h 10m
STL1:55 pmLambert-St Louis
$1,100
Lufthansa
Nov 1
STL11:45 amLambert-St Louis
11h 50m
1 stop
FRA6:35 amFrankfurt am Main
Nov 8
FRA10:45 amFrankfurt am Main
10h 10m
STL1:55 pmLambert-St Louis
$1,114

momondo Fare Finder

 
Customize your flight search to find flights from Illinois to Frankfurt am Main Airport 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 May 15, 2026.
Use the filters below to find and compare flights from Illinois to Frankfurt am Main Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoFrankfurt am Main

ORD - FRA

ORDFRA

Chicago O'Hare Intl

Mon 9/21

7:15 pm-7:45 pm

1 stop17h 30m

Frankfurt am Main

Mon 11/2

8:30 pm-4:45 pm

1 stop27h 15m

$752

ChicagoFrankfurt am Main

ORD - FRA

ORDFRA

Chicago O'Hare Intl

Mon 9/7

6:00 am-6:10 am

1 stop17h 10m

Frankfurt am Main

Tue 9/15

12:30 pm-7:22 pm

1 stop13h 52m

$755

MolineFrankfurt am Main

MLI - FRA

MLIFRA

Moline Quad-City

Tue 8/11

6:00 am-8:55 am

1 stop19h 55m

Frankfurt am Main

Thu 8/27

7:00 am-4:25 pm

2 stops16h 25m

$1,011

MolineFrankfurt am Main

MLI - FRA

MLIFRA

Moline Quad-City

Tue 8/11

11:08 am-8:55 am

1 stop14h 47m

Frankfurt am Main

Thu 8/27

10:40 am-10:28 pm

1 stop18h 48m

$1,014

MolineFrankfurt am Main

MLI - FRA

MLIFRA

Moline Quad-City

Tue 8/11

11:08 am-9:50 am

2 stops15h 42m

Frankfurt am Main

Thu 8/27

7:00 am-4:25 pm

2 stops16h 25m

$1,016

St. LouisFrankfurt am Main

STL - FRA

STLFRA

Lambert-St Louis

Thu 8/13

6:00 am-10:15 am

2 stops21h 15m

Frankfurt am Main

Sun 8/23

10:55 am-11:59 pm

2 stops20h 04m

$1,151
Quickest round-trip

St. LouisFrankfurt am Main

STL - FRA

STLFRA

Lambert-St Louis

Mon 7/6

3:30 pm-7:25 am

Nonstop8h 55m

Frankfurt am Main

Tue 7/21

10:40 am-1:25 pm

Nonstop9h 45m

$1,178

St. LouisFrankfurt am Main

STL - FRA

STLFRA

Lambert-St Louis

Wed 8/5

6:00 am-10:15 am

2 stops21h 15m

Frankfurt am Main

Wed 8/26

10:55 am-11:59 pm

2 stops20h 04m

$1,183

MolineFrankfurt am Main

MLI - FRA

MLIFRA

Moline Quad-City

Tue 6/9

5:56 am-8:55 am

1 stop19h 59m

Frankfurt am Main

Mon 6/15

10:40 am-10:34 pm

1 stop18h 54m

$1,238

PeoriaFrankfurt am Main

PIA - FRA

PIAFRA

Greater Peoria

Sat 5/30

5:33 pm-2:05 pm

1 stop13h 32m

Frankfurt am Main

Wed 6/3

8:50 am-3:39 pm

1 stop13h 49m

$3,379

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 Frankfurt am Main from

How to get the cheapest flight ticket from Illinois to Frankfurt am Main Airport

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 Frankfurt am Main Airport?

In general, September is the cheapest month to fly from Illinois to Frankfurt am Main Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $137. If you aren’t able to travel to Frankfurt am Main Airport during the month of September, then flying in June is also cheap. Prices for this month can be found on momondo for an average of $208.

What is the cheapest day to depart on your flight to Frankfurt am Main Airport?

On average, the least expensive day to fly to Frankfurt am Main Airport from Illinois is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $883. However, this price may fluctuate depending on the airline, the season, and holidays. Flights from Illinois to Frankfurt am Main Airport on a Saturday will generally be more expensive and average around $1,038. 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 Frankfurt am Main Airport?

According to our data, the cheapest time of day to fly to Frankfurt am Main Airport is in the evening. momondo users have found flights departing from Illinois to Frankfurt am Main Airport in the evening for as low as $908. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In contrast, the most expensive time of day to depart to Frankfurt am Main Airport is in the afternoon when prices are around $953.

What is the cheapest Illinois to Frankfurt am Main flight route?

Fly from Chicago O'Hare Intl to Frankfurt am Main for the best Illinois - Frankfurt am Main flight prices

How far in advance should I book a flight from Illinois to Frankfurt am Main Airport?

You are more likely to see cheaper flights to Frankfurt am Main Airport from Illinois when booking weeks ahead of your departure date. In general, you can expect to find flights to Frankfurt am Main Airport for around $879 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Frankfurt am Main Airport from Illinois for as low as $822 on momondo.

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

You could potentially save up to 21% on your flight if you consider stops on a Illinois to Frankfurt am Main Airport flight.

Cheap Illinois to Frankfurt am Main Airport flight deals and tips

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

Best Price Found

$595

Fastest flight time

8h 05m

Direct flights

Every day
The best one-way flight to Frankfurt am Main Airport from Illinois in the past 72 hours is $595. The best round-trip flight deal from Illinois to Frankfurt am Main Airport found on momondo in the last 72 hours is $994.
The fastest flight from Illinois to Frankfurt am Main Airport takes 8h 05m
Direct flights go from Illinois to Frankfurt am Main Airport every day.
Search flight deals

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

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

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

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Illinois to Frankfurt am Main Airport.

  • What documentation or ID do you need to fly to Frankfurt am Main Airport?

    The travel and health documents required for your trip to Frankfurt am Main Airport 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 Frankfurt am Main Airport. 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 Illinois to Frankfurt am Main Airport?

Best airlines flying from Illinois to Frankfurt am Main Airport

Compare and see reviews for airlines that fly from Illinois to Frankfurt am Main Airport with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $137Free CancellationRating
7.9
8,454 reviews
Search Delta flights
British AirwaysPriceFrom $415Free CancellationRating
6.7
7,981 reviews
Search British Airways flights
TAP AIR PORTUGALPriceFrom $431Free CancellationRating
7.2
2,253 reviews
Search TAP AIR PORTUGAL flights
LOTPriceFrom $462Free CancellationRating
7.5
1,190 reviews
Search LOT flights
IcelandairPriceFrom $467Free CancellationRating
7.0
654 reviews
Search Icelandair flights
Scandinavian AirlinesPriceFrom $489Free CancellationRating
7.4
1,777 reviews
Search Scandinavian Airlines flights
Aer LingusPriceFrom $594Free CancellationRating
7.3
1,562 reviews
Search Aer Lingus flights
KLMPriceFrom $596Free CancellationRating
7.8
1,517 reviews
Search KLM flights
Turkish AirlinesPriceFrom $643Free CancellationRating
7.4
4,368 reviews
Search Turkish Airlines flights
LufthansaPriceFrom $716Free CancellationRating
6.8
8,004 reviews
Search Lufthansa flights

Traveling to a place near Frankfurt am Main?

Book flights to Frankfurt am Main if you plan to visit one of these locations
Heidelberg
Baden-Baden
Koblenz
Wurzburg
Mainz
Trier
Darmstadt
Rothenburg ob der Tauber
Fulda
Wiesbaden
Heilbronn
Aschaffenburg
Kaiserslautern
Marburg
Cochem
Nuerburg
Ludwigsburg
Rüdesheim am Rhein
Hofheim
Bernkastel-Kues

Why use momondo?

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

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

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

Yes. All flights to Frankfurt am Main from Illinois on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Illinois to Frankfurt am Main?

momondo provides multiple filters to help you find the best flight to Frankfurt am Main from Illinois. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Illinois to Frankfurt am Main right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Illinois to Frankfurt am Main 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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