Cheapest return flights from Denver to London in January from 436€

AirHint found the following cheapest return flights from Denver (DEN) to London (LHR) in January 2026 (see full year).

Return flights

19 Jan - 29 Jan Icelandair
14 Jan - 07 Feb Icelandair
14 Jan - 19 Jan Icelandair
06 Jan - 31 Jan Icelandair
05 Jan - 31 Jan Icelandair
14 Jan - 31 Jan Icelandair
06 Jan - 13 Jan Icelandair
18 Jan - 25 Jan Icelandair
19 Jan - 29 Jan Finnair direct
13 Jan - 07 Feb Frontier Airlines
27 Jan - 03 Feb British Airways direct
13 Jan - 20 Jan British Airways
21 Jan - 28 Jan British Airways
15 Jan - 05 Feb United
15 Jan - 06 Feb United
14 Jan - 07 Feb British Airways direct
18 Jan - 07 Feb British Airways direct
30 Jan - 06 Feb British Airways direct
15 Jan - 05 Feb British Airways direct
15 Jan - 06 Feb British Airways direct

Also check the deals for one-way flights from Denver to London in January.

Powered by

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.

Book a cheap hotel in London

Cheap car rent in London

Feel free to contact us with any feedback or request another flight research.