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Cologne

$263+ 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 9/1. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — CGN
Aug 2 — Aug 91
Sat 8/2
Sat 8/9
1 adult, Economy
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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 July 28, 2025.

Round-trip from

$475
(Kiwi.com)

One-way from

$263
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$756
From Boston Logan Intl to Cologne Köln/Bonn
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One-way flight from Boston Logan Intl to Cologne Köln/Bonn
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Highest demand for flights based on searches. 18% potential increase in price ($186 potential increase over avg. RT price).
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Cheapest flight prices on average. 9% potential price decrease ($74 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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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 July 28, 2025.

This Kiwi.com deal was found by Cheapflights users on 7/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/248:05 pmBOS - CGN
1 stop10h 10mLufthansa
Tue 9/912:55 pmCGN - BOS
1 stop10h 45mLufthansa
Deal found 7/26$475
This Flightnetwork deal was found by Cheapflights users on 7/26. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/93:15 pmBOS - CGN
2 stops13h 55mAir Canada
Tue 9/1612:55 pmCGN - BOS
2 stops14h 30mAir Canada
Deal found 7/26$482
This Flightnetwork deal was found by Cheapflights users on 7/26. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/98:05 pmBOS - CGN
1 stop10h 10mMultiple Airlines
Tue 9/1612:55 pmCGN - BOS
2 stops14h 30mMultiple Airlines
Deal found 7/26$484
This United Airlines deal was found by Cheapflights users on 7/26. 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.
Tue 9/98:05 pmBOS - CGN
1 stop10h 10mUnited Airlines
Tue 9/1612:55 pmCGN - BOS
1 stop10h 45mUnited Airlines
Deal found 7/26$510
This oojo deal was found by Cheapflights users on 7/26. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/246:32 amBOS - CGN
2 stops31h 53mBritish Airways
Tue 9/99:15 pmCGN - BOS
2 stops25h 50mBritish Airways
Deal found 7/26$533
This Orbitz deal was found by Cheapflights users on 7/26. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2512:10 pmBOS - CGN
2 stops25h 30mAustrian Airlines
Mon 9/298:25 pmCGN - BOS
2 stops27h 29mAustrian Airlines
Deal found 7/26$715

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 July 28, 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

Sun 8/24

8:05 pm-12:15 pm

1 stop10h 10m

Cologne Köln/Bonn

Tue 9/9

12:55 pm-5:40 pm

1 stop10h 45m

$475

BostonCologne

BOS - CGN

BOSCGN

Boston Logan Intl

Tue 9/9

3:15 pm-11:10 am

2 stops13h 55m

Cologne Köln/Bonn

Tue 9/16

12:55 pm-9:25 pm

2 stops14h 30m

$482

BostonCologne

BOS - CGN

BOSCGN

Boston Logan Intl

Tue 9/9

8:05 pm-12:15 pm

1 stop10h 10m

Cologne Köln/Bonn

Tue 9/16

12:55 pm-9:25 pm

2 stops14h 30m

$484

BostonCologne

BOS - CGN

BOSCGN

Boston Logan Intl

Tue 9/9

8:05 pm-12:15 pm

1 stop10h 10m

Cologne Köln/Bonn

Tue 9/16

12:55 pm-5:40 pm

1 stop10h 45m

$510

BostonCologne

BOS - CGN

BOSCGN

Boston Logan Intl

Sun 8/24

6:32 am-8:25 pm

2 stops31h 53m

Cologne Köln/Bonn

Tue 9/9

9:15 pm-5:05 pm

2 stops25h 50m

$533

BostonCologne

BOS - CGN

BOSCGN

Boston Logan Intl

Thu 9/25

12:10 pm-7:40 pm

2 stops25h 30m

Cologne Köln/Bonn

Mon 9/29

8:25 pm-5:54 pm

2 stops27h 29m

$715

BostonCologne

BOS - CGN

BOSCGN

Boston Logan Intl

Mon 9/1

6:35 pm-2:40 pm

2 stops38h 05m

$319

BostonCologne

BOS - CGN

BOSCGN

Boston Logan Intl

Mon 8/25

9:35 pm-6:10 pm

1 stop14h 35m

$615

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

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 $1,252). 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 July 28, 2025.
Get a feel of what it's like to fly with Austrian Airlines, 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.
Austrian Airlines
7.6
Good
820 reviews

Food

6.8

Overall

7.6

Crew

8.1

Entertainment

6.8

Comfort

7.3

Boarding

7.6

Reviews

1 / 20
10.0
Excellent

Dominik,Jun 2025

VIE - VNO

Good service and update all information. I feel like i wanna use it again next time
Austrian Airlines
7.6
Good
820 reviews
Austrian Airlines
7.6
Good
820 reviews

Food

6.8

Overall

7.6

Crew

8.1

Entertainment

6.8

Comfort

7.3

Boarding

7.6

Reviews

1 / 20
10.0
Excellent

Dominik,Jun 2025

VIE - VNO

Good service and update all information. I feel like i wanna use it again next time
United Airlines
7.4
Good
8,892 reviews
Austrian Airlines
7.6
Good
820 reviews

Food

6.8

Overall

7.6

Crew

8.1

Entertainment

6.8

Comfort

7.3

Boarding

7.6

Reviews

1 / 20
10.0
Excellent

Dominik,Jun 2025

VIE - VNO

Good service and update all information. I feel like i wanna use it again next time
Turkish Airlines
7.3
Good
3,921 reviews
Austrian Airlines
7.6
Good
820 reviews

Food

6.8

Overall

7.6

Crew

8.1

Entertainment

6.8

Comfort

7.3

Boarding

7.6

Reviews

1 / 20
10.0
Excellent

Dominik,Jun 2025

VIE - VNO

Good service and update all information. I feel like i wanna use it again next time
Air Canada
7.1
Good
9,813 reviews
Austrian Airlines
7.6
Good
820 reviews

Food

6.8

Overall

7.6

Crew

8.1

Entertainment

6.8

Comfort

7.3

Boarding

7.6

Reviews

1 / 20
10.0
Excellent

Dominik,Jun 2025

VIE - VNO

Good service and update all information. I feel like i wanna use it again next time
Lufthansa
6.8
Okay
7,265 reviews
Austrian Airlines
7.6
Good
820 reviews

Food

6.8

Overall

7.6

Crew

8.1

Entertainment

6.8

Comfort

7.3

Boarding

7.6

Reviews

1 / 20
10.0
Excellent

Dominik,Jun 2025

VIE - VNO

Good service and update all information. I feel like i wanna use it again next time

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 ($475), Air Canada ($482), and United Airlines ($510) offers the cheapest pricing from Boston to Cologne. You may be able to fly from Boston to Cologne for 43% 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 $1,252). 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

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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 July 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$579Average$748FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$594Average$721FlexibilityNo cancel feeOn-time70%
Turkish AirlinesCheapest$620Average$746FlexibilityNo cancel feeOn-time77%

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