
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 November 4, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $749 (Flysmarter) |
One-way from | $319 (Kiwi.com) |
Popular in | June |
Cheapest in | March |
Average price | $737 |
Fly from
Fly to
Route
Depart
Return
BostonCologne
BOS Boston Logan Intl - CGN Cologne Köln/Bonn
BOSCGN
Boston Logan Intl
Fri 12/4
5:15 pm-10:50 pm
1 stop23h 35m
Cologne Köln/Bonn
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
BostonCologne
BOS Boston Logan Intl - CGN Cologne Köln/Bonn
BOSCGN
Boston Logan Intl
Wed 12/9
6:00 pm-11:25 am
2 stops35h 25m
Cologne Köln/Bonn
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
BostonCologne
BOS Boston Logan Intl - CGN Cologne Köln/Bonn
BOSCGN
Boston Logan Intl
Tue 1/26
8:40 pm-4:55 pm
1 stop14h 15m
Cologne Köln/Bonn
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
BostonCologne
BOS Boston Logan Intl - CGN Cologne Köln/Bonn
BOSCGN
Boston Logan Intl
Thu 12/3
6:25 am-7:35 pm
3 stops31h 10m
Cologne Köln/Bonn
Mon 12/7
1:10 pm-3:45 pm
3 stops32h 35m
BostonCologne
BOS Boston Logan Intl - CGN Cologne Köln/Bonn
BOSCGN
Boston Logan Intl
Tue 11/24
8:00 pm-5:10 pm
1 stop15h 10m
Cologne Köln/Bonn
Thu 12/3
6:10 pm-6:05 pm
1 stop29h 55m
BostonCologne
BOS Boston Logan Intl - CGN Cologne Köln/Bonn
BOSCGN
Boston Logan Intl
Fri 11/27
8:00 pm-10:30 am
1 stop32h 30m
Cologne Köln/Bonn
Fri 12/4
6:10 pm-6:05 pm
1 stop29h 55m
BostonCologne
BOS Boston Logan Intl - CGN Cologne Köln/Bonn
BOSCGN
Boston Logan Intl
Fri 11/27
8:00 pm-10:30 am
1 stop32h 30m
Cologne Köln/Bonn
Thu 12/3
6:10 pm-6:05 pm
1 stop29h 55m
BostonCologne
BOS Boston Logan Intl - CGN Cologne Köln/Bonn
BOSCGN
Boston Logan Intl
Wed 3/3
8:00 pm-5:10 pm
1 stop15h 10m
Cologne Köln/Bonn
Mon 3/8
6:10 pm-2:49 pm
2 stops26h 39m
BostonCologne
BOS Boston Logan Intl - CGN Cologne Köln/Bonn
BOSCGN
Boston Logan Intl
Wed 12/2
2:45 pm-5:10 pm
2 stops20h 25m
Cologne Köln/Bonn
Sat 12/5
11:30 am-6:05 pm
1 stop36h 35m
BostonCologne
BOS Boston Logan Intl - CGN Cologne Köln/Bonn
BOSCGN
Boston Logan Intl
Wed 2/10
8:00 pm-10:30 am
1 stop32h 30m
Cologne Köln/Bonn
Sun 2/14
11:30 am-6:05 pm
1 stop36h 35m
| 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 | |
| Price Accuracy2 stars | Trust Score*3 stars |
Everything you need to know about your flight from Boston to Cologne
Boarding
Comfort
Food
Entertainment
Crew
Overall
Reviews
Kevin,Dec 2025
BOS - EWR
Boarding
Comfort
Food
Entertainment
Crew
Overall
Reviews
Kevin,Dec 2025
BOS - EWR
Boarding
Comfort
Food
Entertainment
Crew
Overall
Reviews
Kevin,Dec 2025
BOS - EWR
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.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$487 | Average$733 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$575 | Average$1,146 | FlexibilityNo cancel fee | On-time69% |