Flights from Boston to Cologne

Our cheapest offers for flights from Boston to Cologne

Here you can compare cheap flights from Boston (BOS) 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
Boston
Cologne
Outbound
04/03/26
2 Stopovers (YUL, MUC)
AC8603, AC9098, AC9468
30h 10min
Return
04/16/26
1 Stopover (MUC)
LH4105, LH0424
15h 10min
Air Canada
$576
Best option
Boston
Cologne
Outbound
04/03/26
1 Stopover (MUC)
UA8903, LH1982
15h 35min
Return
04/16/26
1 Stopover (MUC)
UA8917, UA8902
10h 40min
United Airlines, Lufthansa ?
$579
Boston
Cologne
Outbound
04/03/26
1 Stopover (MUC)
LH0425, LH1982
15h 35min
Return
04/16/26
1 Stopover (MUC)
LH1977, LH0424
10h 40min
Lufthansa
$610
Boston
Cologne
Outbound
04/03/26
1 Stopover (IST)
TK0082, TK1675
14h 20min
Return
04/16/26
1 Stopover (IST)
TK1676, TK0081
30h 45min
Turkish Airlines ?
$647
Boston
Cologne
Outbound
04/03/26
2 Stopovers (EWR, MUC)
UA0600, UA9254, UA9153
18h 15min
Return
04/16/26
2 Stopovers (ZRH, YUL)
AC6955, AC6821, AC8610
17h 37min
United Airlines ?
$648
Boston
Cologne
Outbound
04/05/26
1 Stopover (ZRH)
LX0055, LX4428
22h 30min
Return
04/17/26
1 Stopover (ZRH)
LX4425, LX0054
15h 10min
Swiss International Air Lines ?
$722
Boston
Cologne
Outbound
04/03/26
1 Stopover (LHR, STN)
IB4027, FR2352
20h 35min
Return
04/16/26
2 Stopovers (ZRH, MAD)
EW0762, IB0628, IB0345
19h 30min
Iberia, Ryanair ?
$803
Prices based on recent searches, subject to last-minute changes
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Tips and tricks to help you find cheap flights from Boston to Cologne

Favorite airline: Air Canada
33 % of flights from Boston to Cologne are booked with Air Canada.
Air Canada
33 %
Turkish Airlines
22 %
United Airlines
11 %
Favourite connection: via Montréal-Pierre Elliott Trudeau International and London Heathrow
42 % of booked tickets on this route are for flights with a transfer in Montréal-Pierre Elliott Trudeau International and London Heathrow.
Route
bookings
2 stopovers Montréal-Pierre Elliott Trudeau International Airport London Heathrow
19h 25min, from $669
42 %
1 stopover Istanbul
34h 15min, from $766
33 %
1 stopover London Heathrow
20h 35min, from $663
17 %

Important flight information

Flight information: Boston - Cologne

Roundtrip from $575.02
Distance 5766 km
Departure airport Airport Boston Logan International Airport, MA (BOS)
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