Cheapest airlines flights from Chicago to Frankfurt

You can choose from 1 airlines that fly from Chicago to Frankfurt, including Scandinavian Airlines, United Airlines has lowest fares on this route.
Airlines are determined based on actual purchased flight tickets from Chicago to Frankfurt according to previous 12 months data from Trip.com.

Search for direct flights from Chicago to Frankfurt in the next 3 months. Based on Trip.com's latest 7-day flight data, one-way direct flights start at US$568, and round-trip direct flights start at US$884.

Displayed flight fares from Chicago to Frankfurt are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Chicago to Frankfurt Flight Details

The distance between Chicago and Frankfurt is about 6,963.11 km. The average flying time from Chicago to Frankfurt is around 8 hours 17 minutes. Based on Trip.com's latest data, travel demand is highest in January. The off-season for travel is November.

Cheapest one-way flight priceUS$335
Cheapest return ticket priceUS$449
Cheapest monthNovember
Peak season for travelJanuary
Flight distance6,963.11 km
Average flight time8 hours 17 minutes
Popular airlineScandinavian Airlines
Flight statistics for the Chicago–Frankfurt route are based on aggregated booking data from Trip.com over the past 12 months.

Frequently Asked Questions

  • What are the cheapest flights from Chicago to Frankfurt (CHI-FRA)?

    Based on Trip.com data, American Airlines offers one-way fares as low as US$335 on Cheapest nonstop routes (e.g. ORD to FRA on Tue, Jan 20), while TAP Air Portugal offers Cheapest nonstop round-trips from US$449 departing on Sat, Feb 28 and returning on Sat, Mar 7.
  • At the moment, several airlines serve connecting flights from Chicago to Frankfurt, including: Scandinavian Airlines Selected airlines are based on historical data collected from flight bookings made by users on Trip.com within the last 90 days.
  • It takes about 8 hours 17 minutes to fly from Chicago to Frankfurt.
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Chicago to Frankfurt is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • To find best deals on flights from Chicago to Frankfurt, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Tue, Jan 20, with one-way flights priced at just US$335.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is United Airlines.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for Frankfurt travel is around January.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Chicago to Frankfurt is November, when demand for travel is lower.
  • After crunching the numbers on our January flight calendar, it's currently cheapest to fly from Chicago to Frankfurt on January 25, 2026 with Frontier Airlines, with prices starting at US$240.
  • You can land at any one of the following hubs in Frankfurt, with O'Hare International Airport to Frankfurt Airport (ORD-FRA) is by far the most common option on this route: Frankfurt Airport (FRA) Hahn Airport (HHN).
  • The time difference between Frankfurt and Chicago is 7h.
  • Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.