Cologne

$275+ Cheap flights from Boston (BOS) to Cologne (CGN)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/1. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — CGN
jul. 8 — jul. 151
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Cheap flight deals from Boston to Cologne

Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to Cologne (CGN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated julio 3, 2025.

Round-trip from

$484
(Justfly.com)

One-way from

$275
(Trip.com)

Popular in

December

Cheapest in

February

Average price

$721
From Boston Logan Intl to Cologne Köln/Bonn
One-way flight from Boston Logan Intl to Cologne Köln/Bonn
Highest demand for flights based on searches. 16% potential increase in price ($164 potential increase over avg. RT price).
Cheapest flight prices on average. 8% potential price decrease ($72 potential savings vs. average RT price).
Average for round-trip flights in July 2025

Find flight deals from Boston to Cologne

Cheapest flights from Boston to Cologne
Explore the most affordable flight options available from Boston to Cologne. Find the lowest fares from popular airlines and budget airlines, with prices last updated on julio 3, 2025.

This Justfly.com deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/258:40 pmBOS - CGN
1 stop9h 55mMultiple Airlines
lun. 12/88:20 pmCGN - BOS
1 stop23h 45mMultiple Airlines
Deal found 7/1$484
This deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/18:05 pmBOS - CGN
1 stop13h 45mLufthansa
jue. 9/1812:55 pmCGN - BOS
1 stop10h 45mLufthansa
Deal found 7/2$510
This British Airways deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 7/238:05 pmBOS - CGN
1 stop18h 55mBritish Airways
lun. 7/289:15 pmCGN - BOS
1 stop20h 05mBritish Airways
Deal found 7/2$556
This Air Canada deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/203:40 pmBOS - CGN
2 stops13h 30mAir Canada
mié. 12/36:45 amCGN - BOS
2 stops18h 27mAir Canada
Deal found 7/1$565
This American Airlines deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/179:55 pmBOS - CGN
1 stop17h 05mAmerican Airlines
dom. 9/2110:15 amCGN - BOS
2 stops15h 35mAmerican Airlines
Deal found 7/1$608
This United Airlines deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 8/153:16 pmBOS - CGN
2 stops18h 34mUnited Airlines
vie. 8/2212:55 pmCGN - BOS
1 stop10h 45mUnited Airlines
Deal found 7/1$804
This Turkish Airlines deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/309:35 pmBOS - CGN
1 stop34h 15mTurkish Airlines
jue. 10/27:10 pmCGN - BOS
1 stop30h 30mTurkish Airlines
Deal found 7/2$922

Cheapflights Fare Finder

Customize your flight search to find flights from Boston to Cologne that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated julio 3, 2025.
Use the filters below to find and compare flights from Boston to Cologne that are best for you.

Fly from

Boston

Fly to

Cologne

Route

Depart

Return

Price

BostonCologne

BOS - CGN

BOSCGN

Boston Logan Intl

lun. 9/1

8:05 pm-3:50 pm

1 stop13h 45m

Cologne Köln/Bonn

jue. 9/18

12:55 pm-5:40 pm

1 stop10h 45m

$510

BostonCologne

BOS - CGN

BOSCGN

Boston Logan Intl

mié. 7/23

8:05 pm-9:00 pm

1 stop18h 55m

Cologne Köln/Bonn

lun. 7/28

9:15 pm-11:20 am

1 stop20h 05m

$556

BostonCologne

BOS - CGN

BOSCGN

Boston Logan Intl

mié. 9/17

9:55 pm-9:00 pm

1 stop17h 05m

Cologne Köln/Bonn

dom. 9/21

10:15 am-7:50 pm

2 stops15h 35m

$608

BostonCologne

BOS - CGN

BOSCGN

Boston Logan Intl

vie. 8/15

5:50 am-3:50 pm

2 stops28h 00m

Cologne Köln/Bonn

vie. 8/22

4:30 pm-9:30 am

2 stops23h 00m

$684

BostonCologne

BOS - CGN

BOSCGN

Boston Logan Intl

vie. 8/15

3:16 pm-3:50 pm

2 stops18h 34m

Cologne Köln/Bonn

vie. 8/22

12:55 pm-5:40 pm

1 stop10h 45m

$804

BostonCologne

BOS - CGN

BOSCGN

Boston Logan Intl

vie. 7/25

7:20 pm-9:15 am

2 stops31h 55m

Cologne Köln/Bonn

vie. 8/8

2:20 pm-10:19 am

2 stops25h 59m

$844

BostonCologne

BOS - CGN

BOSCGN

Boston Logan Intl

mar. 9/30

9:35 pm-1:50 pm

1 stop34h 15m

Cologne Köln/Bonn

jue. 10/2

7:10 pm-7:40 pm

1 stop30h 30m

$922

BostonCologne

BOS - CGN

BOSCGN

Boston Logan Intl

mié. 10/1

8:50 pm-10:20 pm

2 stops19h 30m

$275

BostonCologne

BOS - CGN

BOSCGN

Boston Logan Intl

mié. 7/23

5:05 pm-9:10 am

1 stop10h 05m

$553

BostonCologne

BOS - CGN

BOSCGN

Boston Logan Intl

mié. 10/1

8:05 pm-3:50 pm

1 stop13h 45m

$1,367

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

Best time to book a flight from Boston to Cologne

Have a flexible travel schedule? Discover the best time to fly to Cologne from Boston with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

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

What is the cheapest month to book a flight from Boston to Cologne?

Currently, October is the cheapest month in which you can book a flight from Boston to Cologne (average of $649). Flying from Boston to Cologne in June is currently the most expensive (average of $1,257). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Cologne

Get insights into the airlines that provide service to Cologne. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Cologne. Reviews last updated julio 3, 2025.
Get a feel of what it's like to fly with SWISS, United Airlines, and Turkish Airlines from Boston to Cologne by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Entertainment

6.8

Crew

8.2

Food

7.1

Comfort

7.4

Boarding

7.6

Overall

7.5

Reviews

1 / 20
6.0
Good

Yvette,Nov 2024

ZRH - ATH

The website is difficult to navigate. You pay for everything. The carry on baggage policy is complicated. The food choices were poor and the seat was uncomfortable.

Entertainment

6.8

Crew

8.2

Food

7.1

Comfort

7.4

Boarding

7.6

Overall

7.5

Reviews

1 / 20
6.0
Good

Yvette,Nov 2024

ZRH - ATH

The website is difficult to navigate. You pay for everything. The carry on baggage policy is complicated. The food choices were poor and the seat was uncomfortable.

Entertainment

6.8

Crew

8.2

Food

7.1

Comfort

7.4

Boarding

7.6

Overall

7.5

Reviews

1 / 20
6.0
Good

Yvette,Nov 2024

ZRH - ATH

The website is difficult to navigate. You pay for everything. The carry on baggage policy is complicated. The food choices were poor and the seat was uncomfortable.

Entertainment

6.8

Crew

8.2

Food

7.1

Comfort

7.4

Boarding

7.6

Overall

7.5

Reviews

1 / 20
6.0
Good

Yvette,Nov 2024

ZRH - ATH

The website is difficult to navigate. You pay for everything. The carry on baggage policy is complicated. The food choices were poor and the seat was uncomfortable.

Entertainment

6.8

Crew

8.2

Food

7.1

Comfort

7.4

Boarding

7.6

Overall

7.5

Reviews

1 / 20
6.0
Good

Yvette,Nov 2024

ZRH - ATH

The website is difficult to navigate. You pay for everything. The carry on baggage policy is complicated. The food choices were poor and the seat was uncomfortable.

Entertainment

6.8

Crew

8.2

Food

7.1

Comfort

7.4

Boarding

7.6

Overall

7.5

Reviews

1 / 20
6.0
Good

Yvette,Nov 2024

ZRH - ATH

The website is difficult to navigate. You pay for everything. The carry on baggage policy is complicated. The food choices were poor and the seat was uncomfortable.

Related info for your journey

Find useful and relevant information for your journey from Boston to Cologne. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What are the cheapest airlines flying from Boston to Cologne round-trip?

    According to our current data, Lufthansa ($510), British Airways ($556), and Air Canada ($565) offers the cheapest pricing from Boston to Cologne. You may be able to fly from Boston to Cologne for 41% less than the average price by searching for these airlines.

  • Can I find deals for flights from Boston to Cologne that include hotel bookings?

    Yes. In addition to deals on Boston to Cologne flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Boston to Cologne?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Boston to Cologne.

  • Can I find deals for business class flights from Boston to Cologne?

    Yes. Cheapflights offers flight deals from Boston to Cologne by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Boston to Cologne?

    Currently, October is the cheapest month in which you can book a flight from Boston to Cologne (average of $649). Flying from Boston to Cologne in June is currently the most expensive (average of $1,257). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top 3 airlines flying from Boston to Cologne

Discover the top 3 airlines that operate flights from Boston to Cologne. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated julio 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$579Average$731FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$594Average$729FlexibilityNo cancel feeOn-time70%
Turkish AirlinesCheapest$620Average$746FlexibilityNo cancel feeOn-time77%

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