Make a free Stopover in Portugal
Stay up to 10 days in Lisbon or Porto at no extra flight cost and enjoy 500+ partner offers.
Book Now
Flights from Chicago to Frankfurt from USD 649
expand_more
1 Passenger, Economy
expand_moreexpand_more
Promo Code
expand_moretoday
today
Flights from Chicago to Frankfurt
Discover the cheapest day and month to travel
expand_more
expand_more
expand_more
Try alternate month or interact with individual days below in order to find offers.
Best Flight Deals from Chicago to Frankfurt
flight_takeoff
flight_land
USD
From | To | Fare Type | Dates | Price | |
|---|---|---|---|---|---|
| Chicago (ORD) | Frankfurt (FRA) | Round trip | Economy | 04/10/2026 - 10/10/2026 | From USD 649 Viewed 14 hours ago | |
| Chicago (ORD) | Frankfurt (FRA) | Round trip | Economy | 09/12/2026 - 19/12/2026 | From USD 650 Viewed 15 hours ago |
*The fares shown have been updated in the last 48 hours and may no longer be available at the time of booking. Additional fees and charges may apply for optional products and services.
Business Flights Deals
flight_takeoff
flight_land
USD
Chicago (ORD)to
Frankfurt (FRA)
04/10/2026 - 10/10/2026
Round trip
Business
From
USD 5,637
Viewed 14 hours ago
*The fares shown have been updated in the last 48 hours and may no longer be available at the time of booking. Additional fees and charges may apply for optional products and services.