Lufthansa's Allegris cabins offer 31-inch pitch seats with adjustable headrests for enhanced comfort.
Lufthansa's Sleeper's Row offers extra space with a mattress, blanket, and pillow for long-haul comfort.

Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $570 (Mytrip) |
One-way from | $251 (Kiwi.com) |
Popular in | July |
Cheapest in | April |
Average price | $878 |
Good round-trip deal | $661 or less |
Good one-way deal | $490 or less |
Fly from
Fly to
Route
Depart
Return
Price
ChicagoFrankfurt am Main
ORD - FRA
ORDFRA
Chicago O'Hare Intl
mié. 2/4
7:30 am-9:50 am
2 stops19h 20m
Frankfurt am Main
mié. 2/11
10:30 am-9:35 pm
2 stops18h 05m
ChicagoFrankfurt am Main
ORD - FRA
ORDFRA
Chicago O'Hare Intl
sáb. 12/6
7:20 pm-7:45 pm
1 stop17h 25m
Frankfurt am Main
vie. 1/16
10:30 am-4:45 pm
1 stop13h 15m
ChicagoFrankfurt am Main
ORD - FRA
ORDFRA
Chicago O'Hare Intl
vie. 12/5
7:20 pm-2:30 pm
1 stop12h 10m
Frankfurt am Main
lun. 1/12
10:30 am-4:45 pm
1 stop13h 15m
ChicagoFrankfurt am Main
ORD - FRA
ORDFRA
Chicago O'Hare Intl
sáb. 12/6
7:20 pm-7:45 pm
1 stop17h 25m
Frankfurt am Main
mié. 1/14
10:30 am-4:45 pm
1 stop13h 15m
ChicagoFrankfurt am Main
ORD - FRA
ORDFRA
Chicago O'Hare Intl
lun. 12/8
7:20 pm-7:45 pm
1 stop17h 25m
Frankfurt am Main
lun. 1/12
10:30 am-4:45 pm
1 stop13h 15m
ChicagoFrankfurt am Main
ORD - FRA
ORDFRA
Chicago O'Hare Intl
sáb. 12/6
7:20 pm-2:30 pm
1 stop12h 10m
Frankfurt am Main
mar. 1/13
8:30 pm-4:45 pm
1 stop27h 15m
ChicagoFrankfurt am Main
ORD - FRA
ORDFRA
Chicago O'Hare Intl
vie. 12/5
7:20 pm-2:30 pm
1 stop12h 10m
Frankfurt am Main
jue. 1/15
11:05 am-4:45 pm
1 stop12h 40m
ChicagoFrankfurt am Main
ORD - FRA
ORDFRA
Chicago O'Hare Intl
sáb. 12/6
7:20 pm-2:30 pm
1 stop12h 10m
Frankfurt am Main
jue. 1/15
11:05 am-4:45 pm
1 stop12h 40m
ChicagoFrankfurt am Main
ORD - FRA
ORDFRA
Chicago O'Hare Intl
lun. 12/8
7:20 pm-7:45 pm
1 stop17h 25m
Frankfurt am Main
vie. 1/16
10:30 am-4:45 pm
1 stop13h 15m
ChicagoFrankfurt am Main
ORD - FRA
ORDFRA
Chicago O'Hare Intl
jue. 2/19
7:00 am-5:55 am
1 stop15h 55m
Frankfurt am Main
sáb. 2/28
11:15 am-9:33 pm
1 stop17h 18m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy- | Trust Score*1 star |
The best time to book flights from Chicago to Frankfurt am Main Airport is 82 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Currently, April is the cheapest month in which you can book a flight from Chicago to Frankfurt am Main Airport (average of $203). Flying from Chicago to Frankfurt am Main Airport in June is currently the most expensive (average of $878). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
When flying from Chicago to Frankfurt am Main Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 41% versus a flight in the morning.
Travelers seeking maximum savings on their Chicago to Frankfurt am Main Airport flight should consider departing on Tuesday at noon when fares are most often at their lowest. Saturday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Reykjavik (KEF) – chosen by Cheapflights users on 32% of 1-stop itineraries from Chicago to Frankfurt am Main Airport on Cheapflights.
Reykjavik (KEF) is the most affordable 1-stop option, with an average round-trip price of $585.
Flights via Amsterdam (AMS) have the shortest average one-way travel time for 1-stop routes: 10h 10m.
Flights via Reykjavik (KEF) offer the fastest connection on this route, with an average layover time of 0h 48m.
Entertainment
Boarding
Food
Overall
Comfort
Crew
Reviews
Scott,Sep 2025
CPH - LAX
Entertainment
Boarding
Food
Overall
Comfort
Crew
Reviews
Scott,Sep 2025
CPH - LAX
Entertainment
Boarding
Food
Overall
Comfort
Crew
Reviews
Scott,Sep 2025
CPH - LAX
Entertainment
Boarding
Food
Overall
Comfort
Crew
Reviews
Scott,Sep 2025
CPH - LAX
Entertainment
Boarding
Food
Overall
Comfort
Crew
Reviews
Scott,Sep 2025
CPH - LAX
Entertainment
Boarding
Food
Overall
Comfort
Crew
Reviews
Scott,Sep 2025
CPH - LAX
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$137 | Average$791 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$333 | Average$582 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$429 | Average$890 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$467 | Average$739 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$485 | Average$721 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$491 | Average$798 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$581 | Average$833 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$616 | Average$699 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$652 | Average$1,038 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$755 | Average$1,099 | FlexibilityNo cancel fee | On-time76% |