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Cheap flights from Boston to Cologne from $282

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Boston to Cologne departing on 10/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Boston to Cologne

Cheap round-trip flights

Air Canada Logo
10:20 am - 12:15 pmBOS-CGN
19h 55m2 stops
Air Canada Logo
6:05 am - 9:30 amCGN-BOS
33h 25m2 stops
$452Air Canada
Find Deal
Mon, Sep 1 - Tue, Sep 16
Lufthansa Logo
8:05 pm - 12:15 pmBOS-CGN
10h 10m1 stop
Lufthansa Logo
12:55 pm - 5:40 pmCGN-BOS
10h 45m1 stop
$484Lufthansa
Find Deal
Mon, Sep 1 - Tue, Sep 16
Logo
8:05 pm - 3:50 pmBOS-CGN
13h 45m1 stop
Logo
6:50 am - 9:25 pmCGN-BOS
20h 35m2 stops
$497
Find Deal
Mon, Sep 1 - Tue, Sep 16
Lufthansa Logo
8:05 pm - 3:50 pmBOS-CGN
13h 45m1 stop
Lufthansa Logo
6:05 am - 4:00 pmCGN-BOS
15h 55m2 stops
$499Lufthansa
Find Deal
Mon, Sep 1 - Tue, Sep 16
Lufthansa Logo
8:05 pm - 12:15 pmBOS-CGN
10h 10m1 stop
Lufthansa Logo
12:55 pm - 5:40 pmCGN-BOS
10h 45m1 stop
$501Lufthansa
Find Deal
Mon, Sep 1 - Tue, Sep 16
Lufthansa Logo
8:40 pm - 12:35 pmBOS-CGN
9h 55m1 stop
Lufthansa Logo
5:55 pm - 1:35 pmCGN-BOS
25h 40m2 stops
$522Lufthansa
Find Deal
Thu, Jan 1 - Wed, Jan 14
Lufthansa Logo
8:40 pm - 12:35 pmBOS-CGN
9h 55m1 stop
Lufthansa Logo
5:55 pm - 1:35 pmCGN-BOS
25h 40m2 stops
$524Lufthansa
Find Deal
Thu, Jan 1 - Wed, Jan 14
United Airlines Logo
8:40 pm - 5:10 pmBOS-CGN
14h 30m1 stop
United Airlines Logo
9:00 am - 9:52 amCGN-BOS
30h 52m2 stops
$589United Airlines
Find Deal
Thu, Nov 27 - Sat, Dec 6
British Airways Logo
8:05 pm - 9:00 pmBOS-CGN
18h 55m1 stop
British Airways Logo
10:15 am - 7:50 pmCGN-BOS
15h 35m2 stops
$600British Airways
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Wed, Sep 17 - Sun, Sep 21
British Airways Logo
7:25 am - 9:20 amBOS-CGN
19h 55m1 stop
British Airways Logo
10:15 am - 7:50 pmCGN-BOS
15h 35m2 stops
$601British Airways
Find Deal
Wed, Sep 17 - Sun, Sep 21

Lufthansa flights from Boston to Cologne

Our best Lufthansa deals on Boston to Cologne flight tickets
Lufthansa
Sep 1
BOS8:05 pmBoston Logan Intl
10h 10m
1 stop
CGN12:15 pmCologne Köln/Bonn
Sep 16
CGN12:55 pmCologne Köln/Bonn
10h 45m
1 stop
BOS5:40 pmBoston Logan Intl
$484
Find similar
Lufthansa
Sep 1
BOS8:05 pmBoston Logan Intl
13h 45m
1 stop
CGN3:50 pmCologne Köln/Bonn
Sep 16
CGN6:05 amCologne Köln/Bonn
15h 55m
2 stops
BOS4:00 pmBoston Logan Intl
$499
Find similar
Lufthansa
Sep 1
BOS8:05 pmBoston Logan Intl
10h 10m
1 stop
CGN12:15 pmCologne Köln/Bonn
Sep 16
CGN12:55 pmCologne Köln/Bonn
10h 45m
1 stop
BOS5:40 pmBoston Logan Intl
$501
Find similar

Air Canada flights from Boston to Cologne

Our best Air Canada deals on Boston to Cologne flight tickets
Air Canada
Sep 1
BOS10:20 amBoston Logan Intl
19h 55m
2 stops
CGN12:15 pmCologne Köln/Bonn
Sep 16
CGN6:05 amCologne Köln/Bonn
33h 25m
2 stops
BOS9:30 amBoston Logan Intl
$452
Find similar
Air Canada
Oct 25
BOS10:20 amBoston Logan Intl
21h 10m
2 stops
CGN1:30 pmCologne Köln/Bonn
Oct 31
CGN6:55 pmCologne Köln/Bonn
31h 32m
2 stops
BOS9:27 pmBoston Logan Intl
$549
Find similar
Air Canada
Sep 12
BOS6:00 amBoston Logan Intl
23h 10m
2 stops
CGN11:10 amCologne Köln/Bonn
Sep 19
CGN12:55 pmCologne Köln/Bonn
26h 35m
2 stops
BOS9:30 amBoston Logan Intl
$558
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated July 31, 2025.
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

Price

BostonCologne

BOS - CGN

BOSCGN

Boston Logan Intl

Mon 9/1

10:20 am-12:15 pm

2 stops19h 55m

Cologne Köln/Bonn

Tue 9/16

6:05 am-9:30 am

2 stops33h 25m

$452

BostonCologne

BOS - CGN

BOSCGN

Boston Logan Intl

Mon 9/1

8:05 pm-12:15 pm

1 stop10h 10m

Cologne Köln/Bonn

Tue 9/16

12:55 pm-5:40 pm

1 stop10h 45m

$484

BostonCologne

BOS - CGN

BOSCGN

Boston Logan Intl

Mon 9/1

8:05 pm-3:50 pm

1 stop13h 45m

Cologne Köln/Bonn

Tue 9/16

6:50 am-9:25 pm

2 stops20h 35m

$497

BostonCologne

BOS - CGN

BOSCGN

Boston Logan Intl

Mon 9/1

8:05 pm-3:50 pm

1 stop13h 45m

Cologne Köln/Bonn

Tue 9/16

6:05 am-4:00 pm

2 stops15h 55m

$499

BostonCologne

BOS - CGN

BOSCGN

Boston Logan Intl

Mon 9/1

8:05 pm-12:15 pm

1 stop10h 10m

Cologne Köln/Bonn

Tue 9/16

12:55 pm-5:40 pm

1 stop10h 45m

$501

BostonCologne

BOS - CGN

BOSCGN

Boston Logan Intl

Thu 1/1

8:40 pm-12:35 pm

1 stop9h 55m

Cologne Köln/Bonn

Wed 1/14

5:55 pm-1:35 pm

2 stops25h 40m

$522

BostonCologne

BOS - CGN

BOSCGN

Boston Logan Intl

Thu 1/1

8:40 pm-12:35 pm

1 stop9h 55m

Cologne Köln/Bonn

Wed 1/14

5:55 pm-1:35 pm

2 stops25h 40m

$524

BostonCologne

BOS - CGN

BOSCGN

Boston Logan Intl

Thu 11/27

8:40 pm-5:10 pm

1 stop14h 30m

Cologne Köln/Bonn

Sat 12/6

9:00 am-9:52 am

2 stops30h 52m

$589

BostonCologne

BOS - CGN

BOSCGN

Boston Logan Intl

Wed 9/17

8:05 pm-9:00 pm

1 stop18h 55m

Cologne Köln/Bonn

Sun 9/21

10:15 am-7:50 pm

2 stops15h 35m

$600

BostonCologne

BOS - CGN

BOSCGN

Boston Logan Intl

Wed 9/17

7:25 am-9:20 am

1 stop19h 55m

Cologne Köln/Bonn

Sun 9/21

10:15 am-7:50 pm

2 stops15h 35m

$601

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Cologne from

How to get the cheapest flight ticket from Boston to Cologne

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Cologne?

The cheapest month to fly to Cologne from Boston is in February. Flight prices, which tend to average around $621, are often lower during this time because this is during the off-season. If you are unable to visit Cologne during the month of February, then departing from Boston during the month March is also very affordable. Most momondo users find prices during this month for around $634.

What is the cheapest day to depart on your flight to Cologne?

The cheapest day to depart from Boston to Cologne is on a Tuesday when prices can be found for as low as $650. On the other hand, Saturday is the most expensive day to depart from Boston because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,120.

What is the cheapest time of day to depart on your flight to Cologne?

The cheapest time of day to fly to Cologne is in the morning when flights can be purchased for as low as $691. In the afternoon is when there is more demand to fly to Cologne, so prices are often more expensive at around $959 per ticket.

Can stopping save me money on Boston to Cologne flights?

You could potentially save up to 39% on your flight if you consider stops on a Boston to Cologne flight.

When to book flights from Boston to Cologne

Are you open to changing your travel dates? Check out the ideal times to fly from Boston to Cologne according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Boston to Cologne (BOS to CGN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Boston to Cologne

Best Price Found

$282

Fastest flight time

9h 55m

Direct flights

None

Airports in Cologne

1 airport
The best one-way flight to Cologne from Boston in the past 72 hours is $282. The best round-trip flight deal from Boston to Cologne found on momondo in the last 72 hours is $452.
The fastest flight from Boston to Cologne takes 9h 55m
There are no direct flights from Boston to Cologne. Popular non-direct route for this connection is Boston Logan Intl Airport - Cologne Köln/Bonn Airport.
There is 1 airport near Cologne: Cologne Köln/Bonn (CGN)
Search flight deals

  • How far is Boston Logan Intl to Cologne Köln/Bonn by plane?

    A flight from Boston Logan Intl to Cologne Köln/Bonn will travel around 3569.0 mi. By plane, this route typically takes 9h 55m.

  • When did momondo last update prices for flights from Boston Logan Intl Airport to Cologne Köln/Bonn Airport?

    Prices for flights from Boston Logan Intl Airport to Cologne Köln/Bonn Airport refresh daily.

  • How many operators does momondo search for flights from Boston Logan Intl Airport to Cologne Köln/Bonn Airport?

  • How old do you have to be to fly from Boston Logan Intl Airport to Cologne Köln/Bonn Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Boston Logan Intl Airport to Cologne Köln/Bonn Airport.

  • What documentation or ID do you need to fly to Cologne Köln/Bonn Airport?

    The necessary travel and health documents for your Cologne Köln/Bonn Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Boston to Cologne?

Best airlines flying from Boston to Cologne

Compare and see reviews for airlines that fly from Boston to Cologne with momondo
Airline
Rating
Free Cancellation
Price
LufthansaPriceFrom $579Free CancellationRating
6.8
7,275 reviews
Search Lufthansa flights
British AirwaysPriceFrom $594Free CancellationRating
6.6
7,222 reviews
Search British Airways flights
Turkish AirlinesPriceFrom $620Free CancellationRating
7.3
3,933 reviews
Search Turkish Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Boston to Cologne?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Boston to Cologne. momondo saves you time and could save you money on your trip.

Can I find flights from Boston to Cologne with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Cologne from Boston with this policy.

How can momondo help me find flights from Boston to Cologne?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Cologne from Boston.

I’m not ready to book a flight from Boston to Cologne right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Boston to Cologne now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Cologne and let you know when they change.

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