$471 Find Cheap Flights from Frankfurt Airport to Illinois

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Frankfurt to Illinois departing on 9/24. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Illinois

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Frankfurt am Main to Illinois, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Frankfurt am Main to Illinois, as well as popular online travel agencies
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Cheap Flights from Frankfurt to Illinois

Cheapest round-trip prices found by our users on KAYAK in the last 72 hours
Moline
Moline1 stop$991
St. Louis
St. Louis1 stop$773
Moline
Moline1 stop$991
St. Louis
St. Louis1 stop$773

Book Cheap Frankfurt to Illinois Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Frankfurt to Illinois that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Frankfurt to Illinois

Mon, Jun 1 - Sat, Jun 20
Icelandair Logo
2:00 pm - 6:15 pm
FRA
-
ORD
11h 15m
1 stop
Icelandair Logo
10:25 pm - 6:25 am
ORD
-
FRA
25h 00m
1 stop
$680Icelandair
Sat, Jun 6 - Sat, Jun 20
Icelandair Logo
7:25 am - 6:15 pm
FRA
-
ORD
17h 50m
1 stop
Icelandair Logo
10:25 pm - 6:25 am
ORD
-
FRA
25h 00m
1 stop
$682Icelandair
Tue, May 12 - Mon, May 25
Icelandair Logo
5:10 pm - 6:15 pm
FRA
-
ORD
32h 05m
1 stop
Icelandair Logo
10:25 pm - 6:25 am
ORD
-
FRA
25h 00m
1 stop
$684Icelandair
Tue, Aug 25 - Mon, Sep 28
Delta Logo
11:00 am - 6:31 pm
FRA
-
MDW
14h 31m
1 stop
Delta Logo
10:35 am - 8:55 am
MDW
-
FRA
15h 20m
1 stop
$704Delta
Mon, Jun 15 - Mon, Jun 29
Air France Logo
11:00 am - 6:31 pm
FRA
-
MDW
14h 31m
1 stop
Air France Logo
1:16 pm - 9:50 am
MDW
-
FRA
13h 34m
1 stop
$755Air France
Tue, Jun 2 - Tue, Jun 16
Multiple Airlines Logo
12:30 pm - 8:10 pm
FRA
-
MDW
14h 40m
1 stop
Multiple Airlines Logo
9:00 am - 5:45 am
MDW
-
FRA
13h 45m
1 stop
$767Multiple Airlines
Tue, Oct 13 - Sun, Nov 22
Lufthansa Logo
8:45 pm - 3:38 pm
FRA
-
STL
25h 53m
2 stops
Lufthansa Logo
3:50 pm - 7:30 am
STL
-
FRA
8h 40mnonstop
$787Lufthansa
Mon, Oct 12 - Wed, Dec 2
Lufthansa Logo
10:40 am - 1:25 pm
FRA
-
STL
9h 45mnonstop
Lufthansa Logo
11:45 am - 9:10 am
STL
-
FRA
14h 25m
1 stop
$789Lufthansa
Tue, Jun 9 - Tue, Jun 16
Multiple Airlines Logo
12:30 pm - 7:20 pm
FRA
-
MDW
13h 50m
1 stop
Multiple Airlines Logo
7:40 am - 5:45 am
MDW
-
FRA
15h 05m
1 stop
$789Multiple Airlines
Sun, May 10 - Tue, May 26
Delta Logo
7:00 am - 5:56 pm
FRA
-
MDW
17h 56m
2 stops
Delta Logo
1:22 pm - 11:25 am
MDW
-
FRA
15h 03m
2 stops
$798Delta
Booking Insights

KAYAK's insights & trends for Frankfurt to Illinois flights

Get data-powered insights and trends into flights from Frankfurt to Illinois to help you find the cheapest flights, the best time to fly and much more.

How much is a round-trip flight from Frankfurt am Main Airport to Illinois?

This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Frankfurt am Main Airport to Illinois departing in June.

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

Data is based on round-trip flight searches on KAYAK over the past month.

The cheapest ticket to Illinois from Frankfurt am Main Airport found in the last 72 hours was to Chicago, at $751 round-trip. The most popular route is from Frankfurt am Main Airport (FRA) to Chicago O'Hare Intl Airport (ORD), and the cheapest round-trip airline ticket found on this route in the last 72 hours was $751.

What is the cheapest time of day to fly to Illinois?

The average price for all round-trip flights from Frankfurt am Main Airport to Illinois depending on the time of departure, clicked by users on KAYAK in the last 2 weeks.

The cheapest time of day to fly to Illinois is generally in the evening, when round-trip flights cost $808 on average. Morning departures are around 1% more expensive than evening flights, on average. The most expensive time of day to fly to Illinois is generally in the morning, which is peak travel time and where the average cost of a ticket is $820.

Can I save money by flying with a layover from Frankfurt am Main Airport to Illinois?

The average round-trip price for all non-stop flights, flights with one layover, and flights with two layovers for the route found by users searching on KAYAK in the last 2 weeks.

Yes, flying with a layover may cost you more time, but you can also save money on the route, with a 2 stops layover the cheapest option at $832 on average.

What is the cheapest month to fly from Frankfurt am Main Airport to Illinois?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Frankfurt am Main Airport to Illinois, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Frankfurt am Main Airport to Illinois is September, when tickets cost $330 (return) on average. On the other hand, the most expensive months are August and July, when the average cost of round-trip tickets is $1,114 and $546 respectively.

What’s the cheapest day of the week to fly from Frankfurt Airport to Illinois?

The average price of all round-trip flights from Frankfurt am Main Airport to Illinois clicked on KAYAK for each day over the last 12 months.

Your flight ticket price will generally be cheaper if you fly to Illinois on a Thursday and more expensive on a Saturday. On your return trip to Frankfurt Airport, you should consider flying back on a Wednesday, and avoid Saturdays for better deals.

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

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Frankfurt am Main Airport to Illinois, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Frankfurt am Main Airport to Illinois, you should book around 5 weeks before departure, which saves you about 40% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 25 weeks before departure.

Good to know

Low seasonFebruary
Cheapest flight$471
Best time to beat the crowds with an average 14% drop in price.
Most popular time to fly with an average 6% increase in price.
Flight from Frankfurt Airport to Chicago

Flights from Frankfurt to Illinois: the best tips from KAYAK users

Insights shared by verified travelers who flew the route from Frankfurt to Illinois 
KEVINFlew with Lufthansa
FRA
-
ORD
Dec 2025
Don't buy business class. It"s a relatively short day time flight. and not worth the extra expense. Stick with premium economy.
HeatherFlew with Lufthansa
FRA
-
ORD
Aug 2024
They are super strict on carry-on size and weight. I have never seen an airline weigh a carry-on before. If you are flying through Germany, make sure to alott yourself extra time to stand in a giant line for a passport check, even though it was already checked when boarding to Germany (not sure what could have changed with it during the flight!). They had given some of our seats away on our connecting flight because we barely made it to the gate in time for departure.
Verified travelerFlew with Lufthansa
FRA
-
ORD
Mar 2024
Avoid Frankfurt and O'Hare if you can. Use Amsterdam as your European hub and Minneapolis or Dallas as your hub in middle America.

FAQs - booking Illinois flights

  • How does KAYAK find such low prices on flights from Frankfurt Airport to Illinois?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Frankfurt Airport to Illinois.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Frankfurt Airport to Illinois?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Frankfurt Airport to Illinois is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Frankfurt Airport to Illinois?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from Frankfurt Airport to Illinois with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Frankfurt Airport to Illinois?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Frankfurt Airport to Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Top tips for finding cheap flights to Illinois

  • Looking for a cheap flight? 25% of our users found tickets from Frankfurt Airport to the following destinations at these prices or less: Chicago $863 one-way - $857 round-trip

Reviews of the top 3 airlines serving from Frankfurt to Illinois

 
See real verified KAYAK customer reviews for airlines flying from Frankfurt am Main to Illinois. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Frankfurt to Illinois? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.4
United AirlinesOverall score based on 9677 reviews
7.7Boarding
6.6Food
7.1Entertainment
8.1Crew
7.3Comfort
Airline reviews

Flight crew was super friendly and helpful. Food was frequent and honestly pretty good. Plenty of on-board entertainment. Economy seats are super cramped for such a long flight, but the crew allowed people to get up and stretch, and kids could wander with their parents, so we all made it work. Overall a very good experience.

8.0 ExcellentAnonymous, Apr 2026
ZRH - ORD
Read more United Airlines reviews

Flight crew was super friendly and helpful. Food was frequent and honestly pretty good. Plenty of on-board entertainment. Economy seats are super cramped for such a long flight, but the crew allowed people to get up and stretch, and kids could wander with their parents, so we all made it work. Overall a very good experience.

Standard flight with a drinks and a snack- overall very quick flight. The flight attendants were very strict, bordered on rude.

Starlink is great Crew was polite Business class didn’t get a welcome drink just water and snacks were ok

Delayed - weather wasn't bad at either end. Also sat on tarmac in ORD.

very average service no complimentary alcoholics drinks unlike other airlines such as Porter airlines No decent seats available during check-in time the day before

boarded early to only find out that flight would sit at gate for 45 min to an hour. Landed in chicago and sat on runway for over an hour before got to gate. Total delay was extensive for a 45 min flight door to door.

The flight was significantly delayed. The inbound flight from EWR was delayed departing because of mechanical problems. My original departure from CLT was 5:28 pm but due to the delay of the inbound flight, after arrival, deplaning, cleaning, boarding, we did not push back from the gate until 9:00 pm. Once in the air, the flight was smooth and what was originally supposed to be an arrival in ORD at 7:30 pm local time turned out to be 9:35 pm.

The flight I was supposed to be on was supposed to take off at 1:50 from State College. It was delayed over and over and over again until somehow I had to rebook on a flight that was supposed to have left State College at 8 am that morning but didn't end up taking off until almost 6 pm. Not only was this completely unacceptable, the "token from United" was a 15 dollar meal voucher that has to be used by today. I would personally like some miles added to my account for this inconvenience. I was in transit for 8 hours from the time I arrive at State College Aiport to when I got home. I was supposed to be home at 3 pm and I returned at 8 pm. Unacceptable. I have not been on an on Time united flight in nearly 5 years.

newer aircraft, ability to connect my headset via blue tooth for entertainment.

Meals were poor and service rendered on return flight was mediocre as compared to the flight we took to Germany earlier where the attendants were more attentive, energetic, and mindful of passengers' needs. Thumbs up to crew of UA 58. Thumbs down to UA 59..

The Icelandair crew was so kind!!! Thank you for making my first trip to Paris a great one!

I am not going to fillo this out for each leg of my trip. My first review holds for the experience

I had no idea that my ticket only paid for my right to get on the plane. They charged me $130 for my carry-on bag because it was 1 inch too big she claimed but it wasn’t! Then they wanted another fee for everything. I had no idea that Icelandair had changed to such a bargain basement airline. I was very disappointed.

I’m considering never flying with Iceland Air again. The seats in economy are torture. Now you only get water, coffee and tea for free- really? No food, not a single peanut. The passport line was insane, everyone was worried about catching their connecting flight. This was the third time I’ve barely made my connection, had to run. It can’t be that my choice is to use the bathroom (during the 50 minutes between flights) or make my flight. SO stressful! Ugh.

The most uncomfortable seat i’ve ever had on a flight

Waiting area on top of stairs before Boarding the bus wasn’t great. Took a long time to load the bus to gate.

The real reason why the flying experience with Icelandair ---was mediocre was because of not being able to enter DC airspace yesterday evening. This obviously was out of your control and do realize this is a safety issue. I did notice---that everything was being done to get us to Washington Dulles and we did arrive at Dulles SAFELY with just a 4 hour delay. Thank you!

Nice, quick flight. There were lots of empty seats so they told me I could sit next to the emergency exit where I would have more legroom.

They wouldn’t check in my luggage even though I had one checked bag prepaid. So I took my bag to the gate and tried to check it in there and two employees scolded me for bringing a large bag to the gate. I told them I was trying to check it in and that it was prepaid, and they said they couldn’t guarantee that it would arrive at my destination but they finally let me drop it off when boarding the plane and pick it up right after exiting the plane. There was no food, and there was no entertainment.

Overall satisfied and would fly with them again. They could improve the check-in efficiency at BOS, we got backed up because it seemed there were passengers requiring much more time for check in.

My flight was cancelled, but it was not Kayak's fault. Kayak did require me to pay for the ticket twice to two different venders who paid Lufthansa. Kayak/Lufthansa owes me for the first booking I made first was fraudulent on the part of the subcontracting ticket seller. There will be litigation over this issue under the current passenger protection laws.

flight was half full, plenty of empty seats, was able to lie down across 4 seats, food was good, arrived on time

Generally good. Not their fault but the design of the Boeing 747 had seating supports directly in line with my legs. So my legs always had to straddle this support which caused body misallignment. Such poor design from Boeing. There was no USB port for me to charge my phone. The screen touch control was very poor.

I like crew. They are friendly. The flight was delayed to take off for 1hr and that caused panic at Houston Airport to catch connecting flight due to security check delay. If it has reached on time I would have sufficient time in collecting bags and security check

How about changing the personal out to more friendly human beings? This team was pretty arrogant. No fun!!

It was good. The seats in economy weren’t bad

Wonderful staff. The boarding process can be improved a little better by adequate prior communication but all in all they did fine. However the boarding gate was quite unfreindly to elderly and who needs help with sevral stairs.

Bulkhead seats should not be an extra charge. They are extremely uncomfortable. And we missed our connecting flight due to slow luggage retreaval.

Not great - seats were very narrow and food was terrible.

Some of the crew was sassy and not super helpful. The food was okay, but it seems like they were all unprepared compared to my flight I did from JFK to Frankfurt

Everything you need to know for your flight from Frankfurt to Illinois

Information on your arrival and departure airports