How long is the flight from Boston to Cologne?

The route from Boston to Cologne is served by connecting flights with one stop. These typically take around 32 hours 30 minutes, depending on the layover time and the connection chosen. If travel time matters to you, look especially for connections with a short layover.

Are there nonstop flights from Boston to Cologne?

No, there are currently no nonstop flights from Boston to Cologne. However, you can reach Cologne with a one-stop connecting flight. Allow extra travel time for the connection and pay close attention to the length of the layover.

Which airlines fly from Boston to Cologne?

Flights from Boston to Cologne are available with one stop, operated by, among others, Lufthansa (via Munich), Turkish Airlines (via Istanbul) and United Airlines (via Munich). When comparing options, look beyond the fare and consider the total travel time and the length of the layover.

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Our cheapest offers for flights from Boston (BOS) to Cologne (CGN)

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	Baggage	Price
Boston Cologne Please note: transfer for connecting flight	Outbound 10/01/26 1 Stopover (BCN) LL2626, EW0523 17h 55min	Return 10/11/26 1 Stopover (BCN) FR2508, LL2625 14h 25min	Level, Eurowings		$665
Best option Boston Cologne	Outbound 08/20/26 1 Stopover (MUC) UA8903, UA9153 10h 20min	Return 08/25/26 1 Stopover (MUC) UA8917, UA8902 10h 35min	United Airlines	?	$812
Boston Cologne	Outbound 10/01/26 1 Stopover (IST) TK0082, TK1673 34h 00min	Return 10/11/26 1 Stopover (IST) TK1672, TK0081 15h 30min	Turkish Airlines		$893
Boston Cologne	Outbound 09/01/26 1 Stopover (MUC) UA8903, UA9157 15h 15min	Return 09/09/26 1 Stopover (MUC) UA8917, UA8902 10h 35min	United Airlines		$782
Boston Cologne	Outbound 09/01/26 1 Stopover (MUC) LH0425, LH1982 15h 15min	Return 09/09/26 1 Stopover (MUC) LH1977, LH0424 10h 35min	Lufthansa		$790
Boston Cologne	Outbound 09/01/26 2 Stopovers (YUL, MUC) AC0753, AC9098, AC9035 14h 50min	Return 09/09/26 1 Stopover (MUC) LH4105, LH0424 15h 10min	Air Canada	?	$796
Boston Cologne	Outbound 09/01/26 2 Stopovers (YYZ, MUC) AC0773, AC9614, AC9035 13h 30min	Return 09/09/26 2 Stopovers (MUC, YUL) AC9386, AC9099, AC0754 14h 21min	Air Canada	?	$798
Boston Cologne	Outbound 09/01/26 2 Stopovers (EWR, LHR, STN) UA2104, UA0940, FR2352 40h 39min	Return 09/09/26 2 Stopovers (BGY, MXP, MAD) FR5532, IB0672, IB0347 28h 50min	United Airlines, Ryanair	?	$811
Boston Cologne	Outbound 10/01/26 1 Stopover (IST) TK0082, TK1675 14h 20min	Return 10/11/26 1 Stopover (IST) TK1676, TK0081 30h 45min	Turkish Airlines	?	$820
Boston Cologne	Outbound 08/20/26 1 Stopover (MUC) UA8903, UA9157 15h 35min	Return 08/25/26 1 Stopover (MUC) UA8917, UA8902 10h 35min	United Airlines		$825

Tips and tricks to help you find cheap flights from Boston to Cologne

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

Frequently Asked Questions (FAQ)

Flight information: Boston - Cologne

Roundtrip from	665,00 $
Distance	5766 km
Departure airport	Airport Boston Logan International Airport, MA (BOS)
Arrival airport	Airport Cologne (Koeln)-Bonn (CGN)
Destination country	Flights to Germany
Departure airport - Destination country	Boston Logan International Airport, MA - Germany

Alternative routes to Germany