BOS - CGN

$392 Find Cheap Flights from Boston to Cologne

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Boston to Cologne departing on 5/31. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Cologne

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Boston to Cologne, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Boston to Cologne, as well as popular online travel agencies
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Everything you should know

Cheapest round-trip
$565
Overall average: $655
Lufthansa
Sun 4/12Mon 4/27
BOS - CGN • 2 stops
Cheapest one-way
$392
Multiple Airlines
Sun 5/31
BOS - CGN • 2 stops
Top airlines
Cheapest • from $565 (round-trip)
Best reviews • 7.4 score
Airline reviews
Airline reviews
+1
+1
Airline reviews
Airline reviews
+1
Nonstop flights
Not available
There are currently no direct flights between Boston and Cologne. You'll need at least 1 connection.
Insights
Insights
Insights
Insights
Top layover airports
Cheapest • Avg $619 (round-trip)
Shortest trip • 9h 42m (one-way)
Insights
Insights
Insights
Insights
When to travel
Cheapest • 18% price drop
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
Start a new search
KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Cologne!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Boston to Cologne (BOS-CGN)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Boston to Cologne that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Boston to Cologne

Sun, Apr 12 - Mon, Apr 27
Lufthansa Logo
7:30 pm - 7:30 pm
BOS
-
CGN
18h 00m
2 stops
Lufthansa Logo
6:05 pm - 5:40 pm
CGN
-
BOS
29h 35m
1 stop
$565Lufthansa
Sun, Apr 12 - Mon, Apr 27
Lufthansa Logo
8:05 pm - 7:30 pm
BOS
-
CGN
17h 25m
1 stop
Lufthansa Logo
8:10 pm - 5:40 pm
CGN
-
BOS
27h 30m
1 stop
$579Lufthansa
Tue, Apr 28 - Tue, May 5
Multiple Airlines Logo
10:50 pm - 10:50 am
BOS
-
CGN
30h 00m
1 stop
Multiple Airlines Logo
11:15 pm - 9:05 pm
CGN
-
BOS
27h 50m
2 stops
$598Multiple Airlines
Tue, Apr 28 - Tue, May 5
Multiple Airlines Logo
3:35 pm - 12:25 pm
BOS
-
CGN
14h 50m
2 stops
Multiple Airlines Logo
1:05 pm - 9:27 pm
CGN
-
BOS
14h 22m
2 stops
$600Multiple Airlines
Sun, Apr 12 - Mon, Apr 27
Air Canada Logo
5:30 am - 12:25 pm
BOS
-
CGN
24h 55m
2 stops
Air Canada Logo
1:05 pm - 10:39 pm
CGN
-
BOS
39h 34m
2 stops
$610Air Canada
Mon, Apr 27 - Mon, May 4
Multiple Airlines Logo
3:35 pm - 12:25 pm
BOS
-
CGN
14h 50m
2 stops
Multiple Airlines Logo
8:40 pm - 6:20 pm
CGN
-
BOS
27h 40m
2 stops
$614Multiple Airlines
Mon, Apr 27 - Mon, May 4
Multiple Airlines Logo
3:35 pm - 12:25 pm
BOS
-
CGN
14h 50m
2 stops
Multiple Airlines Logo
8:10 pm - 5:40 pm
CGN
-
BOS
27h 30m
1 stop
$616Multiple Airlines
Tue, Apr 28 - Tue, May 5
Lufthansa Logo
8:05 pm - 12:25 pm
BOS
-
CGN
10h 20m
1 stop
Lufthansa Logo
1:05 pm - 5:40 pm
CGN
-
BOS
10h 35m
1 stop
$617Lufthansa
Mon, Apr 27 - Mon, May 4
Lufthansa Logo
8:05 pm - 12:25 pm
BOS
-
CGN
10h 20m
1 stop
Lufthansa Logo
8:10 pm - 5:40 pm
CGN
-
BOS
27h 30m
1 stop
$630Lufthansa
Thu, Apr 30 - Thu, May 7
Multiple Airlines Logo
8:05 pm - 12:25 pm
BOS
-
CGN
10h 20m
1 stop
Multiple Airlines Logo
1:05 pm - 9:27 pm
CGN
-
BOS
14h 22m
2 stops
$652Multiple Airlines
Booking Insights

KAYAK's insights & trends for Boston to Cologne flights

Get data-powered insights and trends into flights from Boston to Cologne to help you find the cheapest flights, the best time to fly and much more.

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Boston to Cologne, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Boston to Cologne is March, where tickets cost $593 (return) on average. On the other hand, the most expensive months are June and January, where the average cost of round-trip tickets is $865 and $824 respectively.

How far in advance should I book a flight from Boston to Cologne?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Boston to Cologne, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Boston to Cologne, you should book around 1 week before departure. For the absolute cheapest price, our data suggests you should book 16 weeks before departure.

Good to know

Low seasonJanuary
Cheapest flight$392
Best time to beat the crowds but there is an average 13% increase in price.
Most popular time to fly with an average 9% increase in price.
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 round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Boston to Cologne

  • What is the cheapest flight from Boston to Cologne?

    In the last 3 days, the lowest price for a flight from Boston to Cologne was $392 for a one-way ticket and $565 for a round-trip.

  • Do I need a passport to fly between Boston and Cologne?

    Yes, you'll most likely have to show a valid passport before boarding the plane in Boston and on arrival in Cologne.

  • Which airports will I be using when flying from Boston to Cologne?

    Boston airport is called Boston Logan Intl and the only airport in Cologne is Cologne Köln/Bonn.

  • Which aircraft models fly most regularly from Boston to Cologne?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Boston to Cologne?

    oneworld, and Star Alliance are the airline alliances operating flights between Boston and Cologne, with oneworld being the most commonly used for this route.

  • Which is the best airline for flights from Boston to Cologne, United Airlines or Lufthansa?

    The two airlines most popular with KAYAK users for flights from Boston to Cologne are United Airlines and Lufthansa. With an average price for the route of $1,146 and an overall rating of 7.4, United Airlines is the most popular choice. Lufthansa is also a great choice for the route, with an average price of $702 and an overall rating of 6.8.

  • How does KAYAK find such low prices on flights from Boston to Cologne?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Boston to Cologne.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Boston to Cologne?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Cologne from Boston is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Boston to Cologne?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Cologne with an airline and back to Boston with another airline. Booking your flights between Boston and CGN can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Boston to Cologne?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Cologne from Boston up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Reviews of the top 3 airlines serving from Boston to Cologne

 
See real verified KAYAK customer reviews for airlines flying from Boston to Cologne. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Boston to Cologne? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.4
United AirlinesOverall score based on 9435 reviews
7.3Comfort
6.6Food
7.1Entertainment
7.7Boarding
8.1Crew
Airline reviews

It’s always a great time flying with united airlines.

10.0 ExcellentCollins, Mar 2026
BOS - DEN
Read more United Airlines reviews

It’s always a great time flying with united airlines.

Very old flight - time to retire it for newer airplanes

2+ hours delayed Outlet in row 12 did not work Tv monitors did not work Lights kept off the entire flight for at 5pm-7pm flight

Seated dude next to me even though lots of empty rows. But main thing was we sat on the tarmac after landing for 30 minutes because of, in the words of the dude who sat next to me, “operational incompetence”. We got changing directions about where to pick up gate checked bags. Pilot and flight attendant were awesome though.

The food was terrible this time. Otherwise pleasant, quiet, on-time.

Ineffective communication with United resulted in lost baggage. Their Baggage Tracing counter at MUC was shut down from 11:00-14:15 on my arrival. Undertrained, underinformed staff had me Running all over MUC to find someone to help me to no avail. Staff was rude, unhelpful, and unable to effectively use the systems they did have operational. They refused to contact United in any way or provide any accommodation or other resources while I waited for my luggage. This has destroyed my downstream itinerary. If they had even the slightest visibility I may have been able to reschedule/plan, but again, their staff provided nothing, and did nothing more than their website, which doesn’t even work on a standard phone browser. Miserable failure at all levels that weren’t associated with the operation of the aircraft.

Gate agent at Frankfurt was terrible. She denied PRE boarding even as it was printed on the boarding pass. Refused to look at the boarding pass and literally shouting for no reason. Frankfurt airport has horrible and rude staff who avoids trying to answer any question at all. Overall, horrible experience.

They charged a fee for 1st bag checked. Others in same party were free.

They brought an empty plane to the gate. Then a flight delay was announced for maintenance and waiting on a part. I was then put on a flight to San Francisco instead with a connecting flight to my final destination. Arrived at my final destination 2 hours late.

from SFO-> FRA flight, AVML meal was significantly less compared to regular meal, especially no Desert, no Bread, no sides.

Lufthansa cancelled our flight from Los Angeles to Naples Italy on March 10 for scheduled flight on March 12 Very stressful experience trying to arrange alternatives. Will never fly again with Lufthansa

The staff was bit rude when I asked for an extra drink after one beer, asked for one wine glass.

Very good, i got two seats for myself, and was comfortable with the blanket i got

Economy Priority seats are extremely uncomfortable. There is no way to escape the boxed in feeling, particularely because the distance between to rows are too short, the hard edge of the front row is keeping legs confined. There is no elevated place to put your feet. I am of average, European size.

Terrible. Both flights were significantly delayed, no luggage, made me check my small bag when many, many others had much larger carry-ons, not even a bottle of water . . . I will not fly Discover Airlines again.

I was deceived on the Kayak site expecting a ticket, but instead finding a "standby" reservation. When I tried to change the ticket, I paid almost twice the price of the original ticket. Then, the airline refused to give me the reserved seat I had chosen and paid for. I think I deserve a refund for this leg of my trip because I was doubly charged and did not receive what I had paid for. I put in a complaint with Lufthansa because the ticket was sold originally sold as a flight they listed. Someone here needs to take responsibility.

Service and food were excellent. Incredibly friendly and competent staff. Flight was delayed over and hour and I had to run between terminals to get my connecting flight.

Missed it by a couple minutes and couldn’t find an alternative flight so had to spend the night in DC and after much shuffling from 1 airline to another managed to get a United to Frankfurt.

There were only 2 toilets and one of them did not work in business class. We are not allowed to cross classes so had to wait in line to use the toilets!! The entertainment touch display was finicky and did not work all the time.

I tried both on line and by calling the Customer Service line to arrange for a special meal as i have food intolerances. I was under the impression from your service representative that I was successful. I was not. I cannot eat spicy foods and get very ill if i eat bell peppers. I could not eat either menu choice and no special meal was actually ordered. ( your representative tried to order it for a flight that did not have meal service!!! - found this out later). Your wonderful cabin crew managed to put together a fruit, salad, roll and cheese tray for me so I had something to eat. WHY WOULD YOU SERVE SPICY FOOD, WITH NO MILDER OPTION,ON AN INTERNATIONAL FLIGHT???

Very good staff members with sincere passion and responsibility in their job.

We paid for Business Class seats, but system did not have us and they were not available.

Very please with the seating that the Kayak staff booked for us!

You will pay for everything and feels like the airplane is old

Worth every penny to upgrade to BC. Treated and felt more like First Class

I paid for a very expensive Business Class seat to and from Cairo Egypt from Charleston SC. There was partnership from states to London using American Airlines. That leg was amazing. The British Airlines leg was a joke. They used the standard no leg room 3 by 3 seats. A tray was put on the middle seat. The trip was 5 hours, from London to Cairo, thus my BC purchase. There was no screen proving tv/movie options, only a small device plug. The fold down tray and the bag of peanuts were typical of normal short run flying. The one toilet was located in the galley. We all got to know each other well. This was my first and last trip with British Airlines. I now understand why they would NEVER give me a seat chart so that I could make a selection.prior to departure. It honestly would not have made a difference, there were less than 50% of occupied seats. Apparently everyone got the memo but me. I have never felt so cheated as with that trip, got to so another going back to London, yeah. I will be sending a letter to customer service and asking for a refund. I will be photos comparing the two BC legs. OH, one more thing. The FC ticket holders got bulkhead and exit row seats. I know they had to be thrilled

Good service, food and comfort in World Traveller Plus. Entertainment was poor - no wifi on the way out and barely working on the way back. Not a great choice of entertainment on the seat back tv.

The flight was delayed due to snow in Frankfurt. There wasn't much information from BA or the airport, but Kayak was great and kept me informed of the delay and gate changes.

Late! Late and late! More than 1hr 30mn. This sucks when it is the last of a 4 flight journey. I missed my dinner! Which is not nice on Valentine’s Day!!! But better than the gate next to us, the poor Chinese people were rebooked to the next day flight. AA had to call security as it became very heated with the passengers! It was a mess at DFW that afternoon/evening. I wish they had some food for the people who travel as part of international journey. Indigo does it in India and it is fantastic.

They had us seating down for one hour just waiting on the plane

Everything you need to know for your flight from Boston to Cologne

Information on your arrival and departure airports