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Cologne

$255+ 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 7/27. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — CGN
May 4 — May 111
Sun 5/4
Sun 5/11
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 April 29, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$552
(Mytrip)

One-way from

$255
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$670
Provider with most accurate pricing for Boston Logan Intl-Cologne Köln/Bonn flight deals.
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Provider most trusted by Cheapflights users for Boston Logan Intl-Cologne Köln/Bonn flights.
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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. 10% potential increase in price ($107 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($67 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 29, 2025.

This British Airways deal was found by Cheapflights users on 4/29. 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.
Wed 7/237:25 amBOS - CGN
1 stop19h 55mBritish Airways
Mon 7/289:15 pmCGN - BOS
1 stop20h 05mBritish Airways
Deal found 4/29$673
This Turkish Airlines deal was found by Cheapflights users on 4/29. 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.
Tue 5/139:35 pmBOS - CGN
1 stop14h 35mTurkish Airlines
Sat 5/172:50 pmCGN - BOS
1 stop34h 50mTurkish Airlines
Deal found 4/29$693
This Kiwi.com deal was found by Cheapflights users on 4/29. 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.
Tue 5/137:15 pmBOS - CGN
2 stops13h 25mMultiple Airlines
Fri 5/168:30 amCGN - BOS
1 stop18h 35mMultiple Airlines
Deal found 4/29$703
This American Airlines deal was found by Cheapflights users on 4/29. 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.
Mon 7/148:05 pmBOS - CGN
1 stop12h 15mAmerican Airlines
Tue 7/223:30 pmCGN - BOS
1 stop13h 10mAmerican Airlines
Deal found 4/29$706
This United Airlines deal was found by Cheapflights users on 4/29. 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.
Mon 11/178:40 pmBOS - CGN
1 stop10h 05mUnited Airlines
Sun 11/309:10 amCGN - BOS
2 stops58h 15mUnited Airlines
Deal found 4/29$720
This Travelocity deal was found by Cheapflights users on 4/28. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/37:00 pmBOS - CGN
2 stops34h 10mAir Canada
Mon 7/76:35 pmCGN - BOS
2 stops26h 00mAir Canada
Deal found 4/28$969
This FlightHub deal was found by Cheapflights users on 4/29. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/218:05 pmBOS - CGN
1 stop13h 45mLufthansa
Sat 7/512:55 pmCGN - BOS
1 stop10h 45mLufthansa
Deal found 4/29$1,111
This SWISS deal was found by Cheapflights users on 4/29. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/185:05 pmBOS - CGN
1 stop10h 50mSWISS
Wed 7/236:20 amCGN - BOS
1 stop15h 05mSWISS
Deal found 4/29$1,170
This Cheapflightsfares deal was found by Cheapflights users on 4/29. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/122:34 pmBOS - CGN
2 stops25h 56mAustrian Airlines
Tue 6/178:25 pmCGN - BOS
1 stop23h 25mAustrian Airlines
Deal found 4/29$2,150

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 April 29, 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

Wed 7/23

7:25 am-9:20 am

1 stop19h 55m

Cologne Köln/Bonn

Mon 7/28

9:15 pm-11:20 am

1 stop20h 05m

$673

BostonCologne

BOS - CGN

BOSCGN

Boston Logan Intl

Tue 5/13

9:35 pm-6:10 pm

1 stop14h 35m

Cologne Köln/Bonn

Sat 5/17

2:50 pm-7:40 pm

1 stop34h 50m

$693

BostonCologne

BOS - CGN

BOSCGN

Boston Logan Intl

Tue 5/13

7:15 pm-2:40 pm

2 stops13h 25m

Cologne Köln/Bonn

Fri 5/16

8:30 am-9:05 pm

1 stop18h 35m

$703

BostonCologne

BOS - CGN

BOSCGN

Boston Logan Intl

Mon 7/14

8:05 pm-2:20 pm

1 stop12h 15m

Cologne Köln/Bonn

Tue 7/22

3:30 pm-10:40 pm

1 stop13h 10m

$706

BostonCologne

BOS - CGN

BOSCGN

Boston Logan Intl

Sun 7/13

8:05 pm-5:10 pm

1 stop15h 05m

Cologne Köln/Bonn

Sat 7/26

6:05 am-5:40 pm

1 stop17h 35m

$886

BostonCologne

BOS - CGN

BOSCGN

Boston Logan Intl

Thu 7/3

7:00 pm-11:10 am

2 stops34h 10m

Cologne Köln/Bonn

Mon 7/7

6:35 pm-2:35 pm

2 stops26h 00m

$969

BostonCologne

BOS - CGN

BOSCGN

Boston Logan Intl

Sat 6/21

8:05 pm-3:50 pm

1 stop13h 45m

Cologne Köln/Bonn

Sat 7/5

12:55 pm-5:40 pm

1 stop10h 45m

$1,111

BostonCologne

BOS - CGN

BOSCGN

Boston Logan Intl

Fri 7/18

5:05 pm-9:55 am

1 stop10h 50m

Cologne Köln/Bonn

Wed 7/23

6:20 am-3:25 pm

1 stop15h 05m

$1,170

BostonCologne

BOS - CGN

BOSCGN

Boston Logan Intl

Thu 6/12

2:34 pm-10:30 pm

2 stops25h 56m

Cologne Köln/Bonn

Tue 6/17

8:25 pm-1:50 pm

1 stop23h 25m

$2,150

BostonCologne

BOS - CGN

BOSCGN

Boston Logan Intl

Fri 5/16

7:15 pm-8:50 am

2 stops31h 35m

$305

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 12 results
1
2

Compare providers for flights from Boston to Cologne

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Boston to Cologne in April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Boston-Cologne flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Boston-Cologne flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Boston-Cologne flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Boston-Cologne flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Boston-Cologne flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 $1,478). 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.

Rainfall in Cologne by month

Plan your trip to Cologne by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Cologne ranges from 2.0 - 3.5 inches per month. June is typically the wettest month, when rainfall can reach 3.5 in. February is typically the driest time to visit Cologne when rainfall is around 2.0 in.

Temperature in Cologne by month

Plan your trip to Cologne by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Cologne, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

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 April 29, 2025.
Austrian Airlines
7.6
Good
780 reviews

Crew

8.1

Boarding

7.6

Comfort

7.3

Entertainment

6.7

Food

6.7

Overall

7.6

Reviews

1 / 20
8.0
Excellent

Ely,Mar 2025

VIE - PMI

Luggage at destination was not split into priorities. Had business and only got my bag after 20 minutes, almost towards the end and I was in a rush, so the "priority" was completely ignored.
Austrian Airlines
7.6
Good
780 reviews
Austrian Airlines
7.6
Good
780 reviews

Crew

8.1

Boarding

7.6

Comfort

7.3

Entertainment

6.7

Food

6.7

Overall

7.6

Reviews

1 / 20
8.0
Excellent

Ely,Mar 2025

VIE - PMI

Luggage at destination was not split into priorities. Had business and only got my bag after 20 minutes, almost towards the end and I was in a rush, so the "priority" was completely ignored.
SWISS
7.5
Good
1,588 reviews
Austrian Airlines
7.6
Good
780 reviews

Crew

8.1

Boarding

7.6

Comfort

7.3

Entertainment

6.7

Food

6.7

Overall

7.6

Reviews

1 / 20
8.0
Excellent

Ely,Mar 2025

VIE - PMI

Luggage at destination was not split into priorities. Had business and only got my bag after 20 minutes, almost towards the end and I was in a rush, so the "priority" was completely ignored.
United Airlines
7.4
Good
8,696 reviews
Austrian Airlines
7.6
Good
780 reviews

Crew

8.1

Boarding

7.6

Comfort

7.3

Entertainment

6.7

Food

6.7

Overall

7.6

Reviews

1 / 20
8.0
Excellent

Ely,Mar 2025

VIE - PMI

Luggage at destination was not split into priorities. Had business and only got my bag after 20 minutes, almost towards the end and I was in a rush, so the "priority" was completely ignored.
Turkish Airlines
7.3
Good
3,788 reviews
Austrian Airlines
7.6
Good
780 reviews

Crew

8.1

Boarding

7.6

Comfort

7.3

Entertainment

6.7

Food

6.7

Overall

7.6

Reviews

1 / 20
8.0
Excellent

Ely,Mar 2025

VIE - PMI

Luggage at destination was not split into priorities. Had business and only got my bag after 20 minutes, almost towards the end and I was in a rush, so the "priority" was completely ignored.
American Airlines
7.2
Good
10,000 reviews
Austrian Airlines
7.6
Good
780 reviews

Crew

8.1

Boarding

7.6

Comfort

7.3

Entertainment

6.7

Food

6.7

Overall

7.6

Reviews

1 / 20
8.0
Excellent

Ely,Mar 2025

VIE - PMI

Luggage at destination was not split into priorities. Had business and only got my bag after 20 minutes, almost towards the end and I was in a rush, so the "priority" was completely ignored.

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, British Airways ($673), Turkish Airlines ($693), and American Airlines ($707) offers the cheapest pricing from Boston to Cologne. You may be able to fly from Boston to Cologne for 27% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Boston to Cologne one-way?

    One-way options have recently been found by users for as low as $407 on British Airways. Other airlines that offer cheap prices include Lufthansa from $529 and Eurowings from $641 one-way.

  • 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 $1,478). 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 2 airlines flying from Boston to Cologne

Discover the top 2 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 April 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$588Average$782FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$616Average$729FlexibilityNo cancel feeOn-time70%

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