Cheapest return flights from Denver to London in April from 461€

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

Return flights

14 Apr - 22 Apr Icelandair
06 Apr - 30 Apr Icelandair
16 Apr - 23 Apr Icelandair
30 Apr - 12 May Icelandair
16 Apr - 25 Apr Icelandair
15 Apr - 17 Apr Air Canada
20 Apr - 04 May Icelandair
21 Apr - 04 May Icelandair
14 Apr - 24 Apr United
22 Apr - 06 May United
08 Apr - 06 May United
20 Apr - 16 May Icelandair
15 Apr - 25 Apr United
15 Apr - 09 May United
14 Apr - 22 Apr British Airways direct
06 Apr - 30 Apr British Airways direct
01 Apr - 08 Apr British Airways direct
22 Apr - 06 May British Airways direct
15 Apr - 09 May British Airways direct
26 Apr - 03 May British Airways direct

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

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.