Flight Routes from Washington DC to Cologne

Trip type

Our cheapest offers for flights from Washington DC to Cologne

Here you can compare cheap flights from Washington DC (IAD) to Cologne (CGN) for one-way or return trips. The following offers were searched for and found on idealo during the last few days. Or start your own flight search to Cologne. Prices and availability may change at any time.

Flight schedule from Washington DC (IAD) to Cologne (CGN)

Select a travel date in the flight schedule for the route from Washington DC (IAD) to Cologne (CGN) and compare affordable flight deals.

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Matching outbound flights4 of 4
fromto
dep.arr.
durationstopovers
  1. August 2 – 8, 2026
  2. August 9 – 15, 2026
  3. August 16 – 22, 2026
    1. IADCGN
      1 stopover
      1. Egyptair
    2. IADCGN
      1 stopover
      1. Austrian Airlines
    3. IADCGN
      1 stopover
      1. United Airlines
      2. Lufthansa
    4. IADCGN
      1 stopover
      1. Lufthansa

      Tips and tricks to help you find cheap flights from Washington DC to Cologne

      Favorite airline: Turkish Airlines
      The most popular airline for flights from Washington DC to Cologne is Turkish Airlines.
      Turkish Airlines
      32 %
      TAP Portugal
      21 %
      British Airways
      13 %
      Favourite connection: via Istanbul
      The most popular route is via Istanbul and is booked by 41 % of all travelers.
      Route
      bookings
      1 stopover Istanbul
      14h 30min, from 832 $
      41 %
      1 stopover London Heathrow
      21h 20min, from 745 $
      20 %
      1 stopover Munich
      13h 00min, from 760 $
      18 %

      Important flight information

      Flight information: Washington DC - Cologne

      Roundtrip from 835,50 $
      Distance 6428 km
      Departure airport Airport Washington DC - Dulles International Airport, DC (IAD)
      Arrival airport Airport Cologne (Koeln)-Bonn (CGN)
      Destination country Flights to Germany
      City-Code - Arrival airport Washington-DC - Cologne (Koeln)-Bonn
      Departure airport - Destination country Washington DC - Dulles International Airport, DC - Germany
      Alternative routes to Germany
      Alternative flights to Cologne
      Flight destinations with a similar price
      Flight destinations with a similar price