Cheapest return flights from Denver to London in January from 417€

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
28 Jan - 02 Feb Icelandair
14 Jan - 25 Jan Icelandair
11 Jan - 17 Jan Icelandair
06 Jan - 13 Jan Icelandair
18 Jan - 25 Jan Icelandair
11 Jan - 27 Jan Icelandair
07 Jan - 14 Jan Lufthansa
15 Jan - 27 Jan Frontier Airlines
23 Jan - 04 Feb Icelandair
30 Jan - 02 Feb Icelandair
09 Jan - 16 Jan Brussels Airlines
15 Jan - 24 Jan Frontier Airlines
23 Jan - 04 Feb Finnair direct
30 Jan - 02 Feb British Airways direct
28 Jan - 02 Feb Austrian Airlines direct
30 Jan - 06 Feb Icelandair

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.