Flights 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.

Outbound Return Airlines Shop Baggage Price
Washington DC
Cologne
Outbound
05/29/26
2 Stopovers (MUC, OTP)
LH0415, LH1654, W43261
42h 00min
Return
-
Lufthansa, Wizz Air Malta ?
$491
Washington DC
Cologne
Outbound
05/28/26
1 Stopover (IST)
TK0008, TK1675
14h 25min
Return
06/05/26
1 Stopover (IST)
TK1676, TK0187
22h 25min
Turkish Airlines ?
$806
Washington DC
Cologne
Outbound
05/28/26
1 Stopover (IST)
TK0188, TK1675
22h 50min
Return
06/05/26
1 Stopover (IST)
TK1672, TK0007
15h 25min
Turkish Airlines
$834
Best option
Washington DC
Cologne
Outbound
05/28/26
1 Stopover (IST)
TK0008, TK1675
14h 25min
Return
06/05/26
1 Stopover (IST)
TK1672, TK0007
15h 25min
Turkish Airlines
$871
Washington DC
Cologne
Outbound
05/28/26
1 Stopover (IST)
TK0188, TK1675
22h 50min
Return
06/05/26
1 Stopover (IST)
TK1676, TK0187
22h 25min
Turkish Airlines
$838
Washington DC
Cologne
Outbound
05/28/26
1 Stopover (IST)
TK0008, TK1673
34h 05min
Return
06/05/26
1 Stopover (IST)
TK1672, TK0007
15h 25min
Turkish Airlines ?
$881
Washington DC
Cologne
Outbound
05/28/26
2 Stopovers (FRA, OTP)
LH0417, LH1418, W43261
24h 55min
Return
06/05/26
2 Stopovers (OPO, MAD)
FR9326, IB0544, IB0361
23h 35min
Lufthansa, Wizz Air Malta ?
$985
Prices based on recent searches, subject to last-minute changes
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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

Cheapest outbound flight from $ 490,84
Roundtrip from $ 805,73
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
Alternative routes to Germany
Alternative flights to Cologne
Flight destinations with a similar price
Flight destinations with a similar price