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 14 hours 20 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.

Flights Boston - Cologne | find flights, compare prices and book tickets at idealo!

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	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 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
Boston Cologne	Outbound 08/20/26 1 Stopover (MUC) LH0425, LH1976 10h 20min	Return 08/25/26 1 Stopover (MUC) LH1977, LH0424 10h 35min	Lufthansa		$843
Boston Cologne	Outbound 10/01/26 1 Stopover (VIE) OS0032, OS0249 20h 45min	Return 10/11/26 2 Stopovers (MUC, YUL) AC9048, AC9099, AC0754 18h 56min	Austrian Airlines		$890
Boston Cologne	Outbound 08/20/26 2 Stopovers (IAD, MUC) LH7451, LH0415, LH1982 21h 12min	Return 08/25/26 2 Stopovers (MUC, IAD) LH1977, LH0414, UA0641 27h 13min	Lufthansa	?	$896
Boston Cologne	Outbound 10/01/26 2 Stopovers (JFK, LHR, STN) BA1762, BA0114, FR2816 19h 52min	Return 10/11/26 2 Stopovers (STN, LHR, MAD) FR2815, BA7053, BA4263 28h 50min	British Airways, Ryanair	?	$908
Boston Cologne	Outbound 08/20/26 2 Stopovers (EWR, DUB) UA1307, UA0023, FR4501 30h 57min	Return 08/25/26 2 Stopovers (AGP, DUB) FR2321, EI0581, EI0137 30h 15min	United Airlines, Ryanair	?	$917

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 US$

42 %

1 stopover Istanbul

34h 15min, from 766 US$

33 %

1 stopover London Heathrow

20h 35min, from 663 US$

17 %

Important flight information

Frequently Asked Questions (FAQ)

Flight information: Boston - Cologne

Roundtrip from	665,00 US$
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

Our cheapest offers for flights from Boston to Cologne

Boston Logan International Airport, MA

Cologne (Koeln)-Bonn