$379 Cheap Flights from Cologne (CGN) to Boston (BOS)

View $379 flight on Tue, Jan 20, 2026Opens in a new window

Popular airlines from Cologne - Bonn Airport (CGN) to Logan International Airport (BOS)

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Cheap Flights from Cologne to Boston (CGN-BOS)

Prices were available within the past 7 days and start at $379 for one-way flights and $544 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Wed, Dec 3 - Wed, Dec 10
CGN
Cologne
BOS
Boston
$544 Roundtrip, found 6 days ago
$544
Roundtrip
found 6 days ago
Select Air Canada flight, departing Wed, Dec 3 from Cologne to Boston, returning Wed, Dec 10, priced at $544 found 6 days ago
Lufthansa
Wed, Dec 3 - Wed, Dec 10
CGN
Cologne
BOS
Boston
$546 Roundtrip, found 6 days ago
$546
Roundtrip
found 6 days ago
Select Lufthansa flight, departing Wed, Dec 3 from Cologne to Boston, returning Wed, Dec 10, priced at $546 found 6 days ago
Air Canada
Wed, Dec 3 - Wed, Dec 10
CGN
Cologne
BOS
Boston
$550 Roundtrip, found 6 days ago
$550
Roundtrip
found 6 days ago
Select Air Canada flight, departing Wed, Dec 3 from Cologne to Boston, returning Wed, Dec 10, priced at $550 found 6 days ago
Lufthansa
Wed, Dec 3 - Wed, Dec 10
CGN
Cologne
BOS
Boston
$556 Roundtrip, found 6 days ago
$556
Roundtrip
found 6 days ago
Select Lufthansa flight, departing Wed, Dec 3 from Cologne to Boston, returning Wed, Dec 10, priced at $556 found 6 days ago
Air Canada
Wed, Dec 3 - Wed, Dec 10
CGN
Cologne
BOS
Boston
$557 Roundtrip, found 6 days ago
$557
Roundtrip
found 6 days ago
Select Air Canada flight, departing Wed, Dec 3 from Cologne to Boston, returning Wed, Dec 10, priced at $557 found 6 days ago
Air Canada
Wed, Dec 3 - Wed, Dec 10
CGN
Cologne
BOS
Boston
$566 Roundtrip, found 6 days ago
$566
Roundtrip
found 6 days ago
Select Air Canada flight, departing Wed, Dec 3 from Cologne to Boston, returning Wed, Dec 10, priced at $566 found 6 days ago
British Airways
Thu, Nov 6 - Fri, Nov 28
CGN
Cologne
BOS
Boston
$569 Roundtrip, found 4 days ago
$569
Roundtrip
found 4 days ago
Select British Airways flight, departing Thu, Nov 6 from Cologne to Boston, returning Fri, Nov 28, priced at $569 found 4 days ago
Air Canada
Wed, Dec 3 - Wed, Dec 10
CGN
Cologne
BOS
Boston
$579 Roundtrip, found 6 days ago
$579
Roundtrip
found 6 days ago
Select Air Canada flight, departing Wed, Dec 3 from Cologne to Boston, returning Wed, Dec 10, priced at $579 found 6 days ago
Austrian Airlines
Thu, Oct 23 - Mon, Oct 27
CGN
Cologne
BOS
Boston
$595 Roundtrip, found 2 days ago
$595
Roundtrip
found 2 days ago
Select Austrian Airlines flight, departing Thu, Oct 23 from Cologne to Boston, returning Mon, Oct 27, priced at $595 found 2 days ago
American Airlines
Tue, Dec 2 - Mon, Jan 12
CGN
Cologne
BOS
Boston
$630 Roundtrip, found 2 days ago
$630
Roundtrip
found 2 days ago
Select American Airlines flight, departing Tue, Dec 2 from Cologne to Boston, returning Mon, Jan 12, priced at $630 found 2 days ago

Find the cheapest month to fly from Cologne (CGN) to Boston (BOS)

May is typically the cheapest month to fly

From $477 - $1,368 per traveler.

Alternative airports near Boston

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Logan Intl. BOS. Cheapest and Closest option available. Average driving time to city center is 7 minutes. Flights from $717
BOS
Logan Intl.
CheapestClosest
Average driving time to city center7 min
Flights from $717
Flights from Cologne (CGN) to Boston (BOS)
Origin airport
Cologne - Bonn
Destination airport
Logan Intl.
Airlines serving
Air Canada, Austrian Airlines, British Airways, Lufthansa, Swiss International Air Lines, Turkish Airlines, United
Roundtrip price
$543
Distance
3577 mi

Cologne to Boston Flights

The cheapest times to fly from Cologne to Boston

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Cologne to Boston are during the month of December. You can find some of the cheapest flights from Cologne to Boston with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Cologne to Boston

Sunday is one of the best days to book for cheap flights from Cologne to Boston: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Cologne to Boston

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Cologne to Boston in 2025. You can also book with separate airlines for your outbound and return journeys, from $379 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Cologne to Boston flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Cologne to Boston airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Cologne - Bonn Airport (CGN) to Logan Intl. Airport (BOS) cost?
Get a cheap one-way flight from $379 or cheap return flight from $544 from Cologne - Bonn Airport (CGN) to Logan Intl. Airport (BOS) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Cologne - Bonn Airport (CGN) to Logan Intl. Airport (BOS)?
The cheapest month to fly from CGN to BOS is December, when there's less demand. Off-peak months are generally when better flight deals are available between these airports.
What is the cheapest airline that flies from Cologne - Bonn Airport (CGN) to Logan Intl. Airport (BOS)?
Expedia's filter tool lets you easily compare different airlines, travel time and fares all in one place. Customize the search to your preferences, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest CGN to BOS flight.
How many flights per day from Cologne - Bonn Airport (CGN) to Logan Intl. Airport (BOS)?
Direct flights from Cologne - Bonn Airport (CGN) to Logan Intl. Airport (BOS) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filters. Enter your travel details and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from CGN to BOS?
Friday is usually the busiest day for flights, while Tuesday is often the quietest.* Remember that flight schedules can vary depending on a number of factors, such as the carrier and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Cologne - Bonn Airport (CGN) to Logan Intl. Airport (BOS)?
To avoid possible delays on the Cologne - Bonn Airport (CGN) to Logan Intl. Airport (BOS) route, travel before 3 PM. Later flights have a 22% higher chance of cancellation.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Cologne - Bonn Airport (CGN) to Logan Intl. Airport (BOS) last-minute?
Last-minute bookings from CGN to BOS are generally more expensive. To lock in the lowest prices, start searching for flights ahead of time. That said, if your travel plans are flexible, you may score a cheap fare right before your journey.
Is it cheaper to book a CGN to BOS flight and hotel package?
Securing a CGN to BOS flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels in one place. Select from our wide range of accommodations and then add flights, activities and car rentals to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Cologne - Bonn Airport (CGN) to Logan Intl. Airport (BOS)?
Generally, it's possible to reschedule or cancel your CGN to BOS flight. However, if the booking was made more than 24 hours ago, additional charges may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and if any costs are involved. You'll also find more details on our Customer Service portal.

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*Available to One Key members.