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Cheap flights from Boston to Cologne from $320

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 12/15. 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

Multiple Airlines Logo
10:40 pm - 1:25 pmBOS-CGN
32h 45m1 stop
Multiple Airlines Logo
7:35 pm - 8:55 pmCGN-BOS
31h 20m1 stop
$471Multiple Airlines
Find Deal
Mon, Nov 17 - Mon, Nov 24
British Airways Logo
8:30 am - 4:10 pmBOS-CGN
26h 40m1 stop
British Airways Logo
5:15 pm - 2:20 pmCGN-BOS
27h 05m1 stop
$475British Airways
Find Deal
Wed, Oct 29 - Mon, Nov 10
Multiple Airlines Logo
10:40 pm - 1:25 pmBOS-CGN
32h 45m1 stop
Multiple Airlines Logo
11:10 pm - 8:55 pmCGN-BOS
27h 45m2 stops
$513Multiple Airlines
Find Deal
Mon, Nov 17 - Mon, Nov 24
Multiple Airlines Logo
5:30 am - 3:45 pmBOS-CGN
28h 15m2 stops
Multiple Airlines Logo
9:30 am - 9:32 amCGN-BOS
30h 02m2 stops
$520Multiple Airlines
Find Deal
Wed, Nov 12 - Sun, Nov 16
British Airways Logo
10:35 pm - 4:10 pmBOS-CGN
12h 35m1 stop
British Airways Logo
5:15 pm - 3:50 pmCGN-BOS
28h 35m2 stops
$525British Airways
Find Deal
Wed, Oct 29 - Mon, Nov 10
Multiple Airlines Logo
6:05 pm - 8:25 pmBOS-CGN
20h 20m2 stops
Multiple Airlines Logo
10:35 am - 8:55 pmCGN-BOS
16h 20m1 stop
$538Multiple Airlines
Find Deal
Mon, Nov 10 - Thu, Nov 13
British Airways Logo
6:55 pm - 4:20 pmBOS-CGN
15h 25m1 stop
British Airways Logo
5:15 pm - 2:20 pmCGN-BOS
27h 05m1 stop
$540British Airways
Find Deal
Fri, Nov 14 - Wed, Nov 19
Turkish Airlines Logo
8:00 pm - 10:35 amBOS-CGN
32h 35m1 stop
Turkish Airlines Logo
11:35 am - 6:05 pmCGN-BOS
36h 30m1 stop
$652Turkish Airlines
Find Deal
Sat, Nov 15 - Wed, Nov 19
Air Canada Logo
3:40 pm - 12:10 pmBOS-CGN
15h 30m2 stops
Air Canada Logo
6:45 am - 7:12 pmCGN-BOS
18h 27m2 stops
$659Air Canada
Find Deal
Thu, Oct 30 - Thu, Nov 6
Turkish Airlines Logo
9:35 pm - 9:30 amBOS-CGN
29h 55m1 stop
Turkish Airlines Logo
2:50 pm - 7:40 pmCGN-BOS
34h 50m1 stop
$744Turkish Airlines
Find Deal
Sat, Sep 20 - Thu, Sep 25

Air Canada flights from Boston to Cologne

Our best Air Canada deals on Boston to Cologne flight tickets
Air Canada
Oct 30
BOS3:40 pmBoston Logan Intl
15h 30m
2 stops
CGN12:10 pmCologne Köln/Bonn
Nov 6
CGN6:45 amCologne Köln/Bonn
18h 27m
2 stops
BOS7:12 pmBoston Logan Intl
$659
Find similar
Air Canada
Sep 18
BOS12:15 pmBoston Logan Intl
23h 05m
2 stops
CGN5:20 pmCologne Köln/Bonn
Sep 26
CGN6:20 amCologne Köln/Bonn
22h 19m
2 stops
BOS10:39 pmBoston Logan Intl
$852
Find similar
Air Canada
Sep 18
BOS12:15 pmBoston Logan Intl
23h 05m
2 stops
CGN5:20 pmCologne Köln/Bonn
Sep 25
CGN7:40 amCologne Köln/Bonn
12h 50m
2 stops
BOS2:30 pmBoston Logan Intl
$868
Find similar

Turkish Airlines flights from Boston to Cologne

Our best Turkish Airlines deals on Boston to Cologne flight tickets
Turkish Airlines
Nov 15
BOS8:00 pmBoston Logan Intl
32h 35m
1 stop
CGN10:35 amCologne Köln/Bonn
Nov 19
CGN11:35 amCologne Köln/Bonn
36h 30m
1 stop
BOS6:05 pmBoston Logan Intl
$652
Find similar
Turkish Airlines
Sep 20
BOS9:35 pmBoston Logan Intl
29h 55m
1 stop
CGN9:30 amCologne Köln/Bonn
Sep 25
CGN2:50 pmCologne Köln/Bonn
34h 50m
1 stop
BOS7:40 pmBoston Logan Intl
$744
Find similar
Turkish Airlines
Sep 20
BOS9:35 pmBoston Logan Intl
29h 55m
1 stop
CGN9:30 amCologne Köln/Bonn
Sep 24
CGN10:30 amCologne Köln/Bonn
15h 10m
1 stop
BOS7:40 pmBoston Logan Intl
$842
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 September 16, 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 11/17

10:40 pm-1:25 pm

1 stop32h 45m

Cologne Köln/Bonn

Mon 11/24

7:35 pm-8:55 pm

1 stop31h 20m

$471

BostonCologne

BOS - CGN

BOSCGN

Boston Logan Intl

Wed 10/29

8:30 am-4:10 pm

1 stop26h 40m

Cologne Köln/Bonn

Mon 11/10

5:15 pm-2:20 pm

1 stop27h 05m

$475

BostonCologne

BOS - CGN

BOSCGN

Boston Logan Intl

Mon 11/17

10:40 pm-1:25 pm

1 stop32h 45m

Cologne Köln/Bonn

Mon 11/24

11:10 pm-8:55 pm

2 stops27h 45m

$513

BostonCologne

BOS - CGN

BOSCGN

Boston Logan Intl

Wed 11/12

5:30 am-3:45 pm

2 stops28h 15m

Cologne Köln/Bonn

Sun 11/16

9:30 am-9:32 am

2 stops30h 02m

$520

BostonCologne

BOS - CGN

BOSCGN

Boston Logan Intl

Wed 10/29

10:35 pm-4:10 pm

1 stop12h 35m

Cologne Köln/Bonn

Mon 11/10

5:15 pm-3:50 pm

2 stops28h 35m

$525

BostonCologne

BOS - CGN

BOSCGN

Boston Logan Intl

Mon 11/10

6:05 pm-8:25 pm

2 stops20h 20m

Cologne Köln/Bonn

Thu 11/13

10:35 am-8:55 pm

1 stop16h 20m

$538

BostonCologne

BOS - CGN

BOSCGN

Boston Logan Intl

Fri 11/14

6:55 pm-4:20 pm

1 stop15h 25m

Cologne Köln/Bonn

Wed 11/19

5:15 pm-2:20 pm

1 stop27h 05m

$540

BostonCologne

BOS - CGN

BOSCGN

Boston Logan Intl

Sat 11/15

8:00 pm-10:35 am

1 stop32h 35m

Cologne Köln/Bonn

Wed 11/19

11:35 am-6:05 pm

1 stop36h 30m

$652

BostonCologne

BOS - CGN

BOSCGN

Boston Logan Intl

Thu 10/30

3:40 pm-12:10 pm

2 stops15h 30m

Cologne Köln/Bonn

Thu 11/6

6:45 am-7:12 pm

2 stops18h 27m

$659

BostonCologne

BOS - CGN

BOSCGN

Boston Logan Intl

Sat 9/20

9:35 pm-9:30 am

1 stop29h 55m

Cologne Köln/Bonn

Thu 9/25

2:50 pm-7:40 pm

1 stop34h 50m

$744

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 29% 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

Direct flights

None
There are no direct flights from Boston to Cologne. There are no popular flight routes from Boston to Cologne.
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  • 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 11h 05m.

  • 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 $547Free CancellationRating
6.8
7,407 reviews
Search Lufthansa flights
British AirwaysPriceFrom $577Free CancellationRating
6.7
7,363 reviews
Search British Airways flights
Turkish AirlinesPriceFrom $620Free CancellationRating
7.3
3,968 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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