$344+ 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 8/16. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — CGN
Jul 6 — Jul 131
Round-trip
1 adult, Economy
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Find cheap flights from Boston to Cologne with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Boston to Cologne
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Cheapest flights from Boston to CologneExplore 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 June 6, 2026.
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 June 6, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/3. 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.
Wed 10/710:55 pm
BOS
- CGN
1 stop11h 55m
Multiple Airlines
Sun 10/1811:05 am
CGN
- BOS
2 stops16h 40m
Multiple Airlines
Deal found 6/3![Multiple Airlines logo]()
$676
This Kiwi.com deal was found by Cheapflights users on 6/3. 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.
Wed 10/710:55 pm
BOS
- CGN
1 stop11h 55m
Multiple Airlines
Thu 10/2211:45 am
CGN
- BOS
1 stop15h 20m
Multiple Airlines
Deal found 6/3![Multiple Airlines logo]()
$699
This Gotogate deal was found by Cheapflights users on 6/3. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/910:20 am
BOS
- CGN
2 stops20h 30m
Multiple Airlines
Wed 11/188:20 pm
CGN
- BOS
2 stops26h 37m
Multiple Airlines
Deal found 6/3![Multiple Airlines logo]()
$719
This Gotogate deal was found by Cheapflights users on 6/2. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/93:20 pm
BOS
- CGN
2 stops15h 30m
Multiple Airlines
Mon 11/169:40 am
CGN
- BOS
1 stop33h 50m
Multiple Airlines
Deal found 6/2![Multiple Airlines logo]()
$726
This oojo deal was found by Cheapflights users on 6/3. 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.
Mon 11/98:40 pm
BOS
- CGN
1 stop10h 10m
Lufthansa
Wed 11/181:20 pm
CGN
- BOS
1 stop11h 15m
Lufthansa
Deal found 6/3![Lufthansa logo]()
$729
This Kiwi.com deal was found by Cheapflights users on 6/3. 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.
Wed 10/710:55 pm
BOS
- CGN
1 stop11h 55m
Multiple Airlines
Wed 10/219:15 am
CGN
- BOS
1 stop17h 50m
Multiple Airlines
Deal found 6/3![Multiple Airlines logo]()
$761
This Kiwi.com deal was found by Cheapflights users on 6/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/175:25 pm
BOS
- CGN
1 stop23h 25m
Multiple Airlines
Tue 8/2511:15 pm
CGN
- BOS
2 stops26h 00m
Multiple Airlines
Deal found 6/2![Multiple Airlines logo]()
$768
This Kiwi.com deal was found by Cheapflights users on 6/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/3110:05 am
BOS
- CGN
2 stops30h 45m
Multiple Airlines
Wed 9/1610:50 pm
CGN
- BOS
1 stop28h 15m
Multiple Airlines
Deal found 6/2![Multiple Airlines logo]()
$770
Best flights from Boston to CologneDiscover carefully curated flight deals from Boston to Cologne that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 6, 2026.
Discover carefully curated flight deals from Boston to Cologne that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 6, 2026.
This United Airlines deal was found by Cheapflights users on 6/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/247:23 pm
BOS
- CGN
2 stops40h 52m
United Airlines
Sun 11/19:10 am
CGN
- BOS
2 stops15h 39m
United Airlines
Deal found 6/2![United Airlines logo]()
$838
This Turkish Airlines deal was found by Cheapflights users on 6/3. 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.
Thu 10/299:00 pm
BOS
- CGN
1 stop32h 30m
Turkish Airlines
Sat 11/76:10 pm
CGN
- BOS
1 stop29h 55m
Turkish Airlines
Deal found 6/3![Turkish Airlines logo]()
$843
This oojo deal was found by Cheapflights users on 6/6. 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 11/224:05 pm
BOS
- CGN
2 stops14h 30m
Lufthansa
Fri 11/271:20 pm
CGN
- BOS
1 stop11h 15m
Lufthansa
Deal found 6/6![Lufthansa logo]()
$952
This Turkish Airlines deal was found by Cheapflights users on 6/4. 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.
Sat 9/269:50 pm
BOS
- CGN
1 stop29h 35m
Turkish Airlines
Fri 10/27:10 pm
CGN
- BOS
1 stop30h 45m
Turkish Airlines
Deal found 6/4![Turkish Airlines logo]()
$883
This United Airlines deal was found by Cheapflights users on 6/3. 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.
Thu 10/2910:50 pm
BOS
- CGN
2 stops13h 25m
United Airlines
Sat 11/79:10 am
CGN
- BOS
2 stops15h 39m
United Airlines
Deal found 6/3![United Airlines logo]()
$913
This United Airlines deal was found by Cheapflights users on 6/5. 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.
Sun 11/158:40 pm
BOS
- CGN
1 stop14h 35m
United Airlines
Thu 11/191:35 pm
CGN
- BOS
1 stop11h 00m
United Airlines
Deal found 6/5![United Airlines logo]()
$921
This United Airlines deal was found by Cheapflights users on 6/4. 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.
Sat 9/2612:36 pm
BOS
- CGN
2 stops22h 44m
United Airlines
Sat 10/38:30 am
CGN
- BOS
1 stop15h 10m
United Airlines
Deal found 6/4![United Airlines logo]()
$927
Last-minute flights from Boston to CologneDiscover last-minute flight deals from Boston to Cologne. Data last updated June 6, 2026 and is based on user searches.
Discover last-minute flight deals from Boston to Cologne. Data last updated June 6, 2026 and is based on user searches.
This oojo deal was found by Cheapflights users on 6/5. 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.
Mon 7/208:05 pm
BOS
- CGN
1 stop10h 20m
Lufthansa
Sun 7/261:05 pm
CGN
- BOS
2 stops13h 05m
Lufthansa
Deal found 6/5![Lufthansa logo]()
$905
This oojo deal was found by Cheapflights users on 6/5. 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.
Mon 7/278:05 pm
BOS
- CGN
1 stop10h 20m
Lufthansa
Tue 8/111:05 pm
CGN
- BOS
1 stop10h 35m
Lufthansa
Deal found 6/5![Lufthansa logo]()
$914
This Air Canada deal was found by Cheapflights users on 6/4. 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.
Mon 7/273:35 pm
BOS
- CGN
2 stops14h 50m
Air Canada
Tue 8/111:05 pm
CGN
- BOS
2 stops14h 22m
Air Canada
Deal found 6/4![Air Canada logo]()
$939
This Mytrip deal was found by Cheapflights users on 6/2. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/278:50 pm
BOS
- CGN
2 stops19h 50m
Multiple Airlines
Mon 8/1011:20 pm
CGN
- BOS
2 stops26h 15m
Multiple Airlines
Deal found 6/2![Multiple Airlines logo]()
$946
One-way flights from Boston to CologneSearch for one-way flight options from Boston to Cologne. Find affordable one-way fares based on user searches. Data last updated June 6, 2026.
Search for one-way flight options from Boston to Cologne. Find affordable one-way fares based on user searches. Data last updated June 6, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/4. 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 8/168:10 pm
BOS
- CGN
3 stops56h 45m
Multiple Airlines
Deal found 6/4![Multiple Airlines logo]()
$344
This Mytrip deal was found by Cheapflights users on 6/3. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/78:50 pm
BOS
- CGN
2 stops20h 00m
Multiple Airlines
Deal found 6/3![Multiple Airlines logo]()
$389
This Air Canada deal was found by Cheapflights users on 6/1. 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.
Fri 8/283:35 pm
BOS
- CGN
2 stops14h 50m
Air Canada
Deal found 6/1![Air Canada logo]()
$581
This Turkish Airlines deal was found by Cheapflights users on 6/1. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/289:50 pm
BOS
- CGN
1 stop34h 00m
Turkish Airlines
Deal found 6/1![Turkish Airlines logo]()
$605
Find 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 June 6, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $676 (Kiwi.com) |
One-way from | $344 (Kiwi.com) |
Popular in | June |
Cheapest in | March |
Average price | $1,149 |
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 June 6, 2026.
Use the filters below to find and compare flights from Boston to Cologne that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BostonCologne
BOS - CGN
BOSCGN
Boston Logan Intl
Sat 10/24
7:23 pm-6:15 pm
2 stops40h 52m
Cologne Köln/Bonn
Sun 11/1
9:10 am-6:49 pm
2 stops15h 39m
$838
BostonCologne
BOS - CGN
BOSCGN
Boston Logan Intl
Thu 10/29
9:00 pm-10:30 am
1 stop32h 30m
Cologne Köln/Bonn
Sat 11/7
6:10 pm-6:05 pm
1 stop29h 55m
$843
BostonCologne
BOS - CGN
BOSCGN
Boston Logan Intl
Sat 9/26
9:50 pm-9:25 am
1 stop29h 35m
Cologne Köln/Bonn
Fri 10/2
7:10 pm-7:55 pm
1 stop30h 45m
$883
BostonCologne
BOS - CGN
BOSCGN
Boston Logan Intl
Thu 10/29
10:50 pm-5:15 pm
2 stops13h 25m
Cologne Köln/Bonn
Sat 11/7
9:10 am-6:49 pm
2 stops15h 39m
$913
Quickest round-trip
BostonCologne
BOS - CGN
BOSCGN
Boston Logan Intl
Sun 11/15
8:40 pm-5:15 pm
1 stop14h 35m
Cologne Köln/Bonn
Thu 11/19
1:35 pm-6:35 pm
1 stop11h 00m
$921
BostonCologne
BOS - CGN
BOSCGN
Boston Logan Intl
Sat 9/26
12:36 pm-5:20 pm
2 stops22h 44m
Cologne Köln/Bonn
Sat 10/3
8:30 am-5:40 pm
1 stop15h 10m
$927
BostonCologne
BOS - CGN
BOSCGN
Boston Logan Intl
Sun 11/22
4:05 pm-12:35 pm
2 stops14h 30m
Cologne Köln/Bonn
Fri 11/27
1:20 pm-6:35 pm
1 stop11h 15m
$952
Cheapest one-way
BostonCologne
BOS - CGN
BOSCGN
Boston Logan Intl
Sun 8/16
8:10 pm-10:55 am
3 stops56h 45m
$344
BostonCologne
BOS - CGN
BOSCGN
Boston Logan Intl
Mon 9/7
8:50 pm-10:50 pm
2 stops20h 00m
$389
Quickest one-way
BostonCologne
BOS - CGN
BOSCGN
Boston Logan Intl
Fri 8/28
3:35 pm-12:25 pm
2 stops14h 50m
$581
Showing 1-10 of 11 resultsSorted by cheapest first
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 June.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Boston-Cologne flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Boston-Cologne flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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.
BOS-CGN
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, March is the cheapest month in which you can book a flight from Boston to Cologne (average of $593). Flying from Boston to Cologne in June is currently the most expensive (average of $1,149). 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.
How much does it cost to fly round-trip from Boston to Cologne?
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 June 6, 2026.
Get a feel of what it's like to fly with United Airlines,Lufthansa, andBritish Airways 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.
Food
6.6
Boarding
7.7
Entertainment
7.1
Comfort
7.3
Overall
7.4
Crew
8.1
Reviews
1 / 20
4.0
OkayDynasty,May 2026
LAX - EWR
Food
6.6
Boarding
7.7
Entertainment
7.1
Comfort
7.3
Overall
7.4
Crew
8.1
Reviews
1 / 20
4.0
OkayDynasty,May 2026
LAX - EWR
Food
6.6
Boarding
7.7
Entertainment
7.1
Comfort
7.3
Overall
7.4
Crew
8.1
Reviews
1 / 20
4.0
OkayDynasty,May 2026
LAX - EWR
Food
6.6
Boarding
7.7
Entertainment
7.1
Comfort
7.3
Overall
7.4
Crew
8.1
Reviews
1 / 20
4.0
OkayDynasty,May 2026
LAX - EWR
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.
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Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Cologne flight routes
Complete your trip
Flights by cabin class
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Popular flights
Alternative routes for Boston to Cologne
See prices for flight routes from nearby airports that may be better suited for you.
Other flights to Cologne
Explore flights to Cologne departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on June 6, 2026.
Complete your trip
Complete your trip to Cologne by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Boston to Cologne by cabin class
Find flights from Boston to Cologne, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Boston and Cologne flights
Browse other Boston and Cologne flight options. Last updated on June 6, 2026.
Other flights from Boston
Browse through other flights departing from Boston. Flights are based on user searches made on Cheapflights and were last updated on June 6, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 June 6, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$508 | Average$713 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$527 | Average$674 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$575 | Average$1,146 | FlexibilityNo cancel fee | On-time69% |