Cheapest return flights from Copenhagen to Boston in September from $330

Best time to book flights for Copenhagen (CPH) to Boston (BOS) flights at AirHint

AirHint found the following cheapest return flights from Copenhagen (CPH) to Boston (BOS) in September 2025 (see full year).

Return flights

16 Sep - 23 Sep Fly Play
17 Sep - 24 Sep Fly Play
09 Sep - 13 Sep Fly Play
05 Sep - 13 Sep Fly Play
06 Sep - 13 Sep Fly Play
11 Sep - 01 Oct Fly Play
12 Sep - 01 Oct Icelandair
18 Sep - 25 Sep Fly Play
19 Sep - 26 Sep British Airways
09 Sep - 16 Sep British Airways
10 Sep - 17 Sep British Airways
11 Sep - 18 Sep British Airways
26 Sep - 03 Oct British Airways
27 Sep - 04 Oct British Airways
29 Sep - 06 Oct British Airways
24 Sep - 01 Oct British Airways
25 Sep - 02 Oct British Airways
30 Sep - 07 Oct Icelandair
23 Sep - 04 Oct Icelandair
28 Sep - 05 Oct British Airways

Also check the deals for one-way flights from Copenhagen to Boston in September.

Skyscanner

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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