$312+ Cheap flights from Boston (BOS) to Cologne (CGN)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/4. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — CGN
Oct 13 — Oct 201
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
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
Cheapest
Best
Last-minute
One-way
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 September 13, 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 September 13, 2026.
This Gotogate deal was found by Cheapflights users on 9/10. 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 10/269:40 pm -
1 stop10h 10m
Mon 11/29:40 am -
1 stop33h 50m
Deal found 9/10![Multiple Airlines logo]()
$767
This Booking.com deal was found by Cheapflights users on 9/12. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/108:40 pm -
1 stop9h 45m
Mon 12/149:40 am -
1 stop33h 50m
Deal found 9/12![Multiple Airlines logo]()
$792
This Mytrip deal was found by Cheapflights users on 9/8. 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.
Tue 10/65:40 pm -
2 stops21h 25m
Mon 10/123:10 pm -
3 stops30h 25m
Deal found 9/8![Multiple Airlines logo]()
$793
This Booking.com deal was found by Cheapflights users on 9/11. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/148:05 pm -
1 stop17h 25m
Sat 10/248:30 am -
2 stops13h 10m
Deal found 9/11![Lufthansa logo]()
$838
This Mytrip deal was found by Cheapflights users on 9/10. 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.
Sat 10/2412:45 pm -
3 stops28h 20m
Sat 10/3111:15 pm -
2 stops24h 43m
Deal found 9/10![Multiple Airlines logo]()
$848
This United Airlines deal was found by Cheapflights users on 9/10. 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 10/247:13 pm -
2 stops40h 42m
Sat 10/311:10 pm -
2 stops32h 40m
Deal found 9/10![United Airlines logo]()
$853
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 September 13, 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 September 13, 2026.
This Mytrip deal was found by Cheapflights users on 9/12. 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.
Thu 12/107:50 pm -
2 stops21h 35m
Mon 12/148:20 pm -
3 stops27h 30m
Deal found 9/12![Multiple Airlines logo]()
$849
This United Airlines deal was found by Cheapflights users on 9/10. 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 10/247:13 pm -
2 stops40h 42m
Sat 10/311:10 pm -
2 stops32h 40m
Deal found 9/10![United Airlines logo]()
$853
This Cheapflightsfares deal was found by Cheapflights users on 9/11. 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.
Wed 10/148:05 pm -
1 stop15h 15m
Sat 10/248:30 am -
1 stop15h 10m
Deal found 9/11![Lufthansa logo]()
$854
This Turkish Airlines deal was found by Cheapflights users on 9/8. 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.
Sun 11/158:00 pm -
1 stop32h 30m
Wed 11/1811:30 am -
1 stop36h 35m
Deal found 9/8![Turkish Airlines logo]()
$1,061
This United Airlines deal was found by Cheapflights users on 9/11. 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.
Wed 10/143:13 pm -
2 stops15h 12m
Sat 10/241:05 pm -
2 stops12h 50m
Deal found 9/11![United Airlines logo]()
$892
This Expedia deal was found by Cheapflights users on 9/9. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/228:40 pm -
1 stop9h 45m
Sun 1/108:20 pm -
2 stops31h 08m
Deal found 9/9![Multiple Airlines logo]()
$970
This Booking.com deal was found by Cheapflights users on 9/8. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/65:40 pm -
3 stops32h 05m
Mon 10/123:10 pm -
3 stops30h 25m
Deal found 9/8![Multiple Airlines logo]()
$977
Last-minute flights from Boston to CologneDiscover last-minute flight deals from Boston to Cologne. Data last updated September 13, 2026 and is based on user searches.
Discover last-minute flight deals from Boston to Cologne. Data last updated September 13, 2026 and is based on user searches.
This Mytrip deal was found by Cheapflights users on 9/8. 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.
Tue 10/65:40 pm -
2 stops21h 25m
Mon 10/123:10 pm -
3 stops30h 25m
Deal found 9/8![Multiple Airlines logo]()
$793
This Booking.com deal was found by Cheapflights users on 9/11. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/148:05 pm -
1 stop17h 25m
Sat 10/248:30 am -
2 stops13h 10m
Deal found 9/11![Lufthansa logo]()
$838
This Mytrip deal was found by Cheapflights users on 9/10. 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.
Sat 10/2412:45 pm -
3 stops28h 20m
Sat 10/3111:15 pm -
2 stops24h 43m
Deal found 9/10![Multiple Airlines logo]()
$848
This United Airlines deal was found by Cheapflights users on 9/10. 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 10/247:13 pm -
2 stops40h 42m
Sat 10/311:10 pm -
2 stops32h 40m
Deal found 9/10![United Airlines logo]()
$853
This Turkish Airlines deal was found by Cheapflights users on 9/10. 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 10/249:00 pm -
1 stop32h 30m
Sat 10/316:10 pm -
1 stop30h 55m
Deal found 9/10![Turkish Airlines logo]()
$869
This Gotogate deal was found by Cheapflights users on 9/10. 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 10/269:40 pm -
1 stop10h 10m
Mon 11/29:40 am -
1 stop33h 50m
Deal found 9/10![Multiple Airlines logo]()
$767
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 September 13, 2026.
Search for one-way flight options from Boston to Cologne. Find affordable one-way fares based on user searches. Data last updated September 13, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/12. 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 11/45:15 pm -
1 stop15h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![Multiple Airlines logo]()
$312
This Kiwi.com deal was found by Cheapflights users on 9/12. 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 11/37:50 pm -
3 stops15h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![Multiple Airlines logo]()
$318
This Booking.com deal was found by Cheapflights users on 9/12. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/58:50 pm -
2 stops19h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![Multiple Airlines logo]()
$338
This Kiwi.com deal was found by Cheapflights users on 9/12. 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.
Fri 11/65:15 pm -
3 stops21h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![Multiple Airlines logo]()
$340
This Kiwi.com deal was found by Cheapflights users on 9/12. 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 11/29:20 pm -
2 stops21h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![Multiple Airlines logo]()
$341
This Kiwi.com deal was found by Cheapflights users on 9/12. 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.
Thu 11/59:20 pm -
2 stops30h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![Multiple Airlines logo]()
$342
This Kiwi.com deal was found by Cheapflights users on 9/12. 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.
Sat 10/316:15 pm -
2 stops23h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![Multiple Airlines logo]()
$344
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 September 13, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $767 (Gotogate) |
One-way from | $312 (Kiwi.com) |
Popular in | June |
Cheapest in | March |
Average price | $746 |
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 7,457,451 searches. Data last updated September 13, 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 Boston Logan Intl - CGN Cologne Köln/Bonn
BOSCGN
Boston Logan Intl
Fri 11/6
5:15 pm-9:00 pm
3 stops21h 45m
Cologne Köln/Bonn
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$340
BostonCologne
BOS Boston Logan Intl - CGN Cologne Köln/Bonn
BOSCGN
Boston Logan Intl
Wed 11/4
9:20 pm-11:35 pm
3 stops20h 15m
Cologne Köln/Bonn
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$345
BostonCologne
BOS Boston Logan Intl - CGN Cologne Köln/Bonn
BOSCGN
Boston Logan Intl
Mon 10/5
9:15 pm-10:40 pm
1 stop19h 25m
Cologne Köln/Bonn
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$377
BostonCologne
BOS Boston Logan Intl - CGN Cologne Köln/Bonn
BOSCGN
Boston Logan Intl
Tue 11/3
6:00 pm-8:00 pm
1 stop20h 00m
Cologne Köln/Bonn
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$435
Quickest round-trip
BostonCologne
BOS Boston Logan Intl - CGN Cologne Köln/Bonn
BOSCGN
Boston Logan Intl
Mon 11/2
8:40 pm-12:50 pm
1 stop10h 10m
Cologne Köln/Bonn
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$523
BostonCologne
BOS Boston Logan Intl - CGN Cologne Köln/Bonn
BOSCGN
Boston Logan Intl
Sat 10/31
9:40 pm-12:50 pm
1 stop10h 10m
Cologne Köln/Bonn
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$573
BostonCologne
BOS Boston Logan Intl - CGN Cologne Köln/Bonn
BOSCGN
Boston Logan Intl
Tue 10/6
9:50 pm-9:25 am
1 stop29h 35m
Cologne Köln/Bonn
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$595
BostonCologne
BOS Boston Logan Intl - CGN Cologne Köln/Bonn
BOSCGN
Boston Logan Intl
Sun 10/4
9:50 pm-9:25 am
1 stop29h 35m
Cologne Köln/Bonn
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$595
BostonCologne
BOS Boston Logan Intl - CGN Cologne Köln/Bonn
BOSCGN
Boston Logan Intl
Sat 10/31
3:41 pm-9:40 am
3 stops60h 59m
Cologne Köln/Bonn
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$653
BostonCologne
BOS Boston Logan Intl - CGN Cologne Köln/Bonn
BOSCGN
Boston Logan Intl
Sun 10/4
10:50 am-12:25 pm
2 stops19h 35m
Cologne Köln/Bonn
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$667
Showing 1-10 of 19 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 September.
| 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 $596). Flying from Boston to Cologne in June is currently the most expensive (average of $1,152). 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?
Airfare is typical for this route at the moment.
Boston to Cologne flights typically cost between $729 and $794 in October.The cheapest round-trip price found within the last 5 days was $767 on Multiple Airlines (Oct 26-Nov 2).
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 September 13, 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.
Comfort
7.3
Entertainment
7.1
Crew
8.1
Overall
7.4
Boarding
7.7
Food
6.7
Reviews
1 / 20
4.0
OkayKevin,Dec 2025
BOS - EWR
Comfort
7.3
Entertainment
7.1
Crew
8.1
Overall
7.4
Boarding
7.7
Food
6.7
Reviews
1 / 20
4.0
OkayKevin,Dec 2025
BOS - EWR
Comfort
7.3
Entertainment
7.1
Crew
8.1
Overall
7.4
Boarding
7.7
Food
6.7
Reviews
1 / 20
4.0
OkayKevin,Dec 2025
BOS - EWR
Comfort
7.3
Entertainment
7.1
Crew
8.1
Overall
7.4
Boarding
7.7
Food
6.7
Reviews
1 / 20
4.0
OkayKevin,Dec 2025
BOS - 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.
Browse thousands of different options on Cheapflights for your next trip
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
Other flight options
Other flights from Boston
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 September 13, 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 September 13, 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 September 13, 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 7,457,451 searches. Data last updated September 13, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$508 | Average$743 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$527 | Average$681 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$575 | Average$1,146 | FlexibilityNo cancel fee | On-time69% |