BOS - CGN

382€ Find Cheap Flights from Boston to Cologne – Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest return flight
557 €
Typical prices: 500 €-848 €
Multiple Airlines
Tue 4.12.Tue 11.12.
BOS - CGN • 2 stops
Cheapest one-way flight
382 €
Typical prices: 366 €-509 €
Multiple Airlines
Fri 21.12.
BOS - CGN • 2 stops
Direct flights
Not available
There are currently no direct flights between Boston and Cologne. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to travel
January
Cheapest • 24% price drop
April
Most popular
Good to know
+1
Good to know
+1
Top stopover airports
London Heathrow (LHR)
Cheapest • Avg 591 € (return)
Munich Franz Josef Strauss (MUC)
Shortest trip • 11h 13m (one-way)
Insights
Insights
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We hope you enjoy your trip to Cologne!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Boston to Cologne (BOS-CGN)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Boston to Cologne

Fri, 4. Dec - Fri, 11. Dec
Multiple Airlines Logo
19:50 - 22:50BOS  Boston Logan Intl-CGN Cologne Köln/Bonn
21h 00m2 stops Reykjavik Keflavik Intl Dublin
Multiple Airlines Logo
23:50 - 17:50CGN  Cologne Köln/Bonn-BOS Boston Logan Intl
24h 00m2 stops Dublin Reykjavik Keflavik Intl
557 €Multiple Airlines
Fri, 4. Dec - Fri, 11. Dec
Multiple Airlines Logo
21:20 - 22:50BOS  Boston Logan Intl-CGN Cologne Köln/Bonn
19h 30m1 stop Dublin
Multiple Airlines Logo
6:20 - 20:15CGN  Cologne Köln/Bonn-BOS Boston Logan Intl
19h 55m2 stops Barcelona-El Prat Lisbon Humberto Delgado
662 €Multiple Airlines
Sun, 15. Nov - Tue, 1. Dec
Turkish Airlines Logo
20:00 - 10:30BOS  Boston Logan Intl-CGN Cologne Köln/Bonn
32h 30m1 stop Istanbul
Turkish Airlines Logo
11:30 - 18:05CGN  Cologne Köln/Bonn-BOS Boston Logan Intl
36h 35m1 stop Istanbul
671 €Turkish Airlines
Sun, 15. Nov - Tue, 1. Dec
Turkish Airlines Logo
20:00 - 10:30BOS  Boston Logan Intl-CGN Cologne Köln/Bonn
32h 30m1 stop Istanbul
Turkish Airlines Logo
11:30 - 18:05CGN  Cologne Köln/Bonn-BOS Boston Logan Intl
36h 35m1 stop Istanbul
685 €Turkish Airlines
Thu, 10. Dec - Wed, 16. Dec
Multiple Airlines Logo
22:20 - 20:50BOS  Boston Logan Intl-CGN Cologne Köln/Bonn
16h 30m1 stop Lisbon Humberto Delgado
Multiple Airlines Logo
18:10 - 20:15CGN  Cologne Köln/Bonn-BOS Boston Logan Intl
32h 05m2 stops Barcelona-El Prat Lisbon Humberto Delgado
702 €Multiple Airlines
Sun, 28. Feb - Tue, 16. Mar
Turkish Airlines Logo
20:00 - 17:10BOS  Boston Logan Intl-CGN Cologne Köln/Bonn
15h 10m1 stop Istanbul
Turkish Airlines Logo
11:30 - 19:05CGN  Cologne Köln/Bonn-BOS Boston Logan Intl
36h 35m1 stop Istanbul
703 €Turkish Airlines
Sat, 28. Nov - Wed, 9. Dec
Turkish Airlines Logo
20:00 - 17:10BOS  Boston Logan Intl-CGN Cologne Köln/Bonn
15h 10m1 stop Istanbul
Turkish Airlines Logo
11:30 - 18:05CGN  Cologne Köln/Bonn-BOS Boston Logan Intl
36h 35m1 stop Istanbul
710 €Turkish Airlines
Sat, 28. Nov - Wed, 9. Dec
Turkish Airlines Logo
20:00 - 17:10BOS  Boston Logan Intl-CGN Cologne Köln/Bonn
15h 10m1 stop Istanbul
Turkish Airlines Logo
11:30 - 18:05CGN  Cologne Köln/Bonn-BOS Boston Logan Intl
36h 35m1 stop Istanbul
710 €Turkish Airlines
Tue, 12. Jan - Mon, 18. Jan
Multiple Airlines Logo
19:50 - 22:00BOS  Boston Logan Intl-CGN Cologne Köln/Bonn
20h 10m2 stops Reykjavik Keflavik Intl London Heathrow
Multiple Airlines Logo
9:05 - 6:35CGN  Cologne Köln/Bonn-BOS Boston Logan Intl
27h 30m2 stops Barcelona-El Prat Bogotá El Dorado
712 €Multiple Airlines
Sun, 15. Nov - Wed, 18. Nov
Multiple Airlines Logo
22:10 - 21:50BOS  Boston Logan Intl-CGN Cologne Köln/Bonn
17h 40m1 stop Lisbon Humberto Delgado
Multiple Airlines Logo
20:30 - 20:00CGN  Cologne Köln/Bonn-BOS Boston Logan Intl
29h 30m2 stops Lisbon Humberto Delgado Ponta Delgada Nordela
714 €Multiple Airlines
Booking Insights

Price, demand, and travel trends for Boston to Cologne flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights with more confidence.

What's the cheapest day of the week to fly from Boston to Cologne?

Based on deals KAYAK users found in the last 12 months, Monday is the cheapest day of the week to fly from Boston to Cologne. It's 19% cheaper than the average day, while Tuesday is the most expensive, with prices 29% higher.

What is the cheapest month to fly from Boston to Cologne?

•January is the cheapest month to fly from Boston to Cologne at 500 € return.
•June (1.032 €) and August (848 €) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 106% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

Find deals

Key details for Boston to Cologne flights

Low season

August

Cheapest flight

382 €
Beat the crowds with an average 53% drop in travellers.
The most popular month to fly with an average 59% increase in travellers.
One-way flight from Boston to Cologne

When to book flights from Boston to Cologne

Are your dates flexible? Find out the best times to travel from Boston to Cologne based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price

Your Boston to Cologne flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines, and booking tips.

  • How long is a flight from Boston to Cologne?

    A direct flight from Boston to Cologne takes 00m, covering 9.262 km.

  • Do I need a passport to fly from Boston to Cologne?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How much should I expect to pay for a Boston to Cologne flight?

    Return flights from Boston to Cologne range from 500 € to 848 €, with an average of 657 € over the past 12 months. Anything below 500 € counts as a good deal.

  • How are flight prices from Boston to Cologne looking right now?

    One-way fares from Boston to Cologne are currently higher than usual. Average one-way flight prices are about 526 €, which is 10% above the typical average for this route.

  • Which car hire options are available at Cologne Köln/Bonn Airport (CGN)?

    Cologne Köln/Bonn Airport (CGN) hosts 5 major car rental companies, with daily rates starting from around 43 € for economy cars. Top options include:

    • Flex To Go
    • Wheego
    • Alamo
    • Enterprise Rent-A-Car
    • Avis

  • Which airports can I use when flying from Boston to Cologne?

    Flights from Boston to Cologne usually depart from Boston Logan Intl (BOS) and arrive at Cologne Köln/Bonn (CGN).

  • Which airports do connecting flights from Boston to Cologne pass through?

    One-stop flights from Boston to Cologne most commonly connect through:

    • Munich Franz Josef Strauss (MUC) – 82% of one-stop connections
    • London Heathrow (LHR) – 12% of one-stop connections
    • Istanbul (IST) – 6% of one-stop connections

  • Can I save money by using flexible dates for flights from Boston to Cologne?

    Yes. Flexible dates can save you up to 38% on flights from Boston to Cologne. Monday is the cheapest departure day at 534 € return on average, while Tuesday is the most expensive at 853 €, a difference of 319 €.

    KAYAK's flexible dates feature shows options up to three days before and after your selected dates, making it easier to compare nearby fares.

  • How much time can I save by choosing a different stopover airport from Boston to Cologne?

    Flying via Munich Franz Josef Strauss (MUC) gives the shortest average 1-stop total travel time of 11h 13m, compared to 13h 28m via London Heathrow (LHR) and 20h 53m via Istanbul (IST).

  • What is the time difference between Boston and Cologne?

    Cologne is 6 hours ahead of Boston (Central European Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in Cologne?

    Some of the most popular sights in Cologne are Lanxess Arena, Musical Dome, and Heumarkt. These are among the most viewed places in Cologne on KAYAK.

Your guide to booking Boston to Cologne flights

Get tips on when to book, when to fly, and what to know before your trip.
  • If your dates are flexible, aim for a Monday departure and avoid flying on Tuesday. On this route, Monday flights average 534 €, which is about 319 € less than Tuesday fares (37% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Boston to Cologne trip for January. Fares historically average 500 € return in that month – typically 532 € less than the most expensive month, which is June (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Cologne Köln/Bonn Airport.

    • Leonardo Hotel Köln Bonn Airport
    • Hotel Spiegel
    • Art Hotel Köln

More options for your flight from Boston to Cologne

Complete your trip to Cologne with a hotel stay or car hire

Car rentals in Cologne
Hotels in Cologne
Vacations in Cologne