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.

Outbound Return Airlines Shop Baggage Price
Washington DC
Cologne
Outbound
06/25/26
2 Stopovers (YYZ, MUC)
AC8617, AC0836, AC9035
20h 30min
Return
06/30/26
1 Stopover (MUC)
LH1985, LH0414
29h 15min
Air Canada
$1,004
Best option
Washington DC
Cologne
Outbound
06/25/26
1 Stopover (MUC)
UA8784, UA9157
13h 20min
Return
06/30/26
1 Stopover (MUC)
LH1977, UA8785
12h 20min
United Airlines ?
$1,015
Washington DC
Cologne
Outbound
06/25/26
1 Stopover (IST)
TK0188, TK1673
18h 30min
Return
06/30/26
1 Stopover (IST)
TK1676, TK0187
22h 25min
Turkish Airlines
$1,154
Washington DC
Cologne
Outbound
06/25/26
2 Stopovers (YYZ, MUC)
AC8617, AC0836, AC9035
20h 30min
Return
06/30/26
1 Stopover (MUC)
LH1985, LH0414
29h 15min
Air Canada
$1,009
Washington DC
Cologne
Outbound
06/25/26
1 Stopover (MUC)
LH0415, LH1982
13h 20min
Return
06/30/26
1 Stopover (MUC)
LH1983, UA8785
31h 20min
Lufthansa ?
$1,095
Washington DC
Cologne
Outbound
06/25/26
1 Stopover (IST)
TK0008, TK1675
14h 25min
Return
06/30/26
1 Stopover (IST)
TK1672, TK0007
15h 25min
Turkish Airlines ?
$1,134
Washington DC
Cologne
Outbound
06/25/26
2 Stopovers (DUB, BER)
EI0116, EI0332, EW8050
35h 40min
Return
06/30/26
3 Stopovers (MUC, OTP, LHR)
LH1985, LH1654, AA7192, AA7002
30h 10min
Aer Lingus Irish Airlines, Eurowings ?
$1,150
Washington DC
Cologne
Outbound
06/25/26
1 Stopover (MUC)
UA0108, UA9157
18h 10min
Return
06/30/26
1 Stopover (ZRH)
UA9617, UA9754
16h 25min
United Airlines ?
$2,032
Washington DC
Cologne
Outbound
06/25/26
2 Stopovers (CAI, HRG)
MS0982, MS0046, MS8241
32h 10min
Return
06/30/26
2 Stopovers (HRG, CAI)
MS8242, MS0043, MS0981
56h 00min
Egyptair
$2,407
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

Roundtrip from $1,003.61
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