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Cheap flights from Boston to Cologne from $493

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Boston to Cologne departing on 1/4. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
8:40 pm - 5:10 pm
BOS
-
CGN
14h 30m1 stop
Multiple Airlines Logo
7:40 pm - 6:35 pm
CGN
-
BOS
28h 55m1 stop
$493Multiple Airlines
Sun, Jan 4 - Tue, Jan 20
Multiple Airlines Logo
8:40 pm - 6:55 pm
BOS
-
CGN
16h 15m1 stop
Multiple Airlines Logo
8:40 am - 7:42 pm
CGN
-
BOS
17h 02m2 stops
$530Multiple Airlines
Thu, Feb 5 - Thu, Feb 12
Air Canada Logo
6:40 pm - 10:25 pm
BOS
-
CGN
45h 45m2 stops
Air Canada Logo
6:55 pm - 5:50 pm
CGN
-
BOS
28h 55m2 stops
$548Air Canada
Sat, Feb 14 - Sun, Feb 22
Air Canada Logo
5:30 am - 4:20 pm
BOS
-
CGN
28h 50m2 stops
Air Canada Logo
8:40 am - 5:50 pm
CGN
-
BOS
39h 10m2 stops
$551Air Canada
Thu, Feb 5 - Thu, Feb 12
Multiple Airlines Logo
5:30 am - 10:00 pm
BOS
-
CGN
34h 30m3 stops
Multiple Airlines Logo
6:00 am - 6:02 pm
CGN
-
BOS
18h 02m3 stops
$564Multiple Airlines
Thu, Jan 15 - Mon, Jan 19
Lufthansa Logo
4:20 pm - 12:35 pm
BOS
-
CGN
14h 15m2 stops
Lufthansa Logo
5:55 pm - 1:35 pm
CGN
-
BOS
25h 40m2 stops
$577Lufthansa
Thu, Jan 1 - Wed, Jan 14
Lufthansa Logo
4:20 pm - 12:35 pm
BOS
-
CGN
14h 15m2 stops
Lufthansa Logo
5:55 pm - 1:35 pm
CGN
-
BOS
25h 40m2 stops
$585Lufthansa
Thu, Jan 1 - Wed, Jan 14
Lufthansa Logo
4:20 pm - 12:35 pm
BOS
-
CGN
14h 15m2 stops
Lufthansa Logo
1:20 pm - 6:35 pm
CGN
-
BOS
11h 15m1 stop
$592Lufthansa
Thu, Jan 1 - Wed, Jan 14
Multiple Airlines Logo
8:40 pm - 6:55 pm
BOS
-
CGN
16h 15m1 stop
Multiple Airlines Logo
9:40 am - 5:14 pm
CGN
-
BOS
37h 34m2 stops
$598Multiple Airlines
Thu, Jan 15 - Mon, Jan 19
Lufthansa Logo
4:20 pm - 12:35 pm
BOS
-
CGN
14h 15m2 stops
Lufthansa Logo
1:20 pm - 6:35 pm
CGN
-
BOS
11h 15m1 stop
$600Lufthansa
Thu, Jan 1 - Wed, Jan 14

Air Canada flights from Boston to Cologne

Our best Air Canada deals on Boston to Cologne flight tickets
Air Canada
Feb 14
BOS6:40 pmBoston Logan Intl
45h 45m
2 stops
CGN10:25 pmCologne Köln/Bonn
Feb 22
CGN6:55 pmCologne Köln/Bonn
28h 55m
2 stops
BOS5:50 pmBoston Logan Intl
$548
Find similar
Air Canada
Feb 5
BOS5:30 amBoston Logan Intl
28h 50m
2 stops
CGN4:20 pmCologne Köln/Bonn
Feb 12
CGN8:40 amCologne Köln/Bonn
39h 10m
2 stops
BOS5:50 pmBoston Logan Intl
$551
Find similar
Air Canada
Mar 6
BOS6:15 amBoston Logan Intl
23h 55m
2 stops
CGN12:10 pmCologne Köln/Bonn
Mar 14
CGN8:40 amCologne Köln/Bonn
17h 47m
2 stops
BOS9:27 pmBoston Logan Intl
$607
Find similar

Lufthansa flights from Boston to Cologne

Our best Lufthansa deals on Boston to Cologne flight tickets
Lufthansa
Jan 1
BOS4:20 pmBoston Logan Intl
14h 15m
2 stops
CGN12:35 pmCologne Köln/Bonn
Jan 14
CGN5:55 pmCologne Köln/Bonn
25h 40m
2 stops
BOS1:35 pmBoston Logan Intl
$577
Find similar
Lufthansa
Jan 1
BOS4:20 pmBoston Logan Intl
14h 15m
2 stops
CGN12:35 pmCologne Köln/Bonn
Jan 14
CGN5:55 pmCologne Köln/Bonn
25h 40m
2 stops
BOS1:35 pmBoston Logan Intl
$585
Find similar
Lufthansa
Jan 1
BOS4:20 pmBoston Logan Intl
14h 15m
2 stops
CGN12:35 pmCologne Köln/Bonn
Jan 14
CGN1:20 pmCologne Köln/Bonn
11h 15m
1 stop
BOS6:35 pmBoston Logan Intl
$592
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 December 23, 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

Sun 1/4

8:40 pm-5:10 pm

1 stop14h 30m

Cologne Köln/Bonn

Tue 1/20

7:40 pm-6:35 pm

1 stop28h 55m

$493

BostonCologne

BOS - CGN

BOSCGN

Boston Logan Intl

Thu 2/5

8:40 pm-6:55 pm

1 stop16h 15m

Cologne Köln/Bonn

Thu 2/12

8:40 am-7:42 pm

2 stops17h 02m

$530

BostonCologne

BOS - CGN

BOSCGN

Boston Logan Intl

Sat 2/14

6:40 pm-10:25 pm

2 stops45h 45m

Cologne Köln/Bonn

Sun 2/22

6:55 pm-5:50 pm

2 stops28h 55m

$548

BostonCologne

BOS - CGN

BOSCGN

Boston Logan Intl

Thu 2/5

5:30 am-4:20 pm

2 stops28h 50m

Cologne Köln/Bonn

Thu 2/12

8:40 am-5:50 pm

2 stops39h 10m

$551

BostonCologne

BOS - CGN

BOSCGN

Boston Logan Intl

Thu 1/15

5:30 am-10:00 pm

3 stops34h 30m

Cologne Köln/Bonn

Mon 1/19

6:00 am-6:02 pm

3 stops18h 02m

$564

BostonCologne

BOS - CGN

BOSCGN

Boston Logan Intl

Thu 1/1

4:20 pm-12:35 pm

2 stops14h 15m

Cologne Köln/Bonn

Wed 1/14

5:55 pm-1:35 pm

2 stops25h 40m

$577

BostonCologne

BOS - CGN

BOSCGN

Boston Logan Intl

Thu 1/1

4:20 pm-12:35 pm

2 stops14h 15m

Cologne Köln/Bonn

Wed 1/14

5:55 pm-1:35 pm

2 stops25h 40m

$585

BostonCologne

BOS - CGN

BOSCGN

Boston Logan Intl

Thu 1/1

4:20 pm-12:35 pm

2 stops14h 15m

Cologne Köln/Bonn

Wed 1/14

1:20 pm-6:35 pm

1 stop11h 15m

$592

BostonCologne

BOS - CGN

BOSCGN

Boston Logan Intl

Thu 1/15

8:40 pm-6:55 pm

1 stop16h 15m

Cologne Köln/Bonn

Mon 1/19

9:40 am-5:14 pm

2 stops37h 34m

$598

BostonCologne

BOS - CGN

BOSCGN

Boston Logan Intl

Thu 1/1

4:20 pm-12:35 pm

2 stops14h 15m

Cologne Köln/Bonn

Wed 1/14

1:20 pm-6:35 pm

1 stop11h 15m

$600

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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 March. Flight prices, which tend to average around $620, are often lower during this time because this is during the off-season. If you are unable to visit Cologne during the month of March, then departing from Boston during the month January is also very affordable. Most momondo users find prices during this month for around $665.

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 42% 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

Fastest flight time

9h 55m

Direct flights

None
The fastest flight from Boston to Cologne takes 9h 55m
There are no direct flights from Boston to Cologne. There are no popular flight routes from Boston to Cologne.
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 $547Free CancellationRating
6.8
7,649 reviews
Search Lufthansa flights
British AirwaysPriceFrom $553Free CancellationRating
6.7
7,607 reviews
Search British Airways flights
United AirlinesPriceFrom $682Free CancellationRating
7.4
9,109 reviews
Search United 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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