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

Return flights

04 Feb - 08 Feb	Icelandair
11 Feb - 22 Feb	Icelandair
09 Feb - 19 Feb	Icelandair
15 Feb - 26 Feb	Icelandair
15 Feb - 02 Mar	Icelandair
27 Feb - 05 Mar	Icelandair
26 Feb - 01 Mar	Icelandair
04 Feb - 11 Feb	Icelandair
16 Feb - 23 Feb	Icelandair
26 Feb - 05 Mar	Icelandair
01 Feb - 10 Feb	Icelandair
11 Feb - 24 Feb	Frontier Airlines
26 Feb - 03 Mar	Icelandair
18 Feb - 25 Feb	Icelandair
19 Feb - 23 Feb	Frontier Airlines
22 Feb - 01 Mar	Frontier Airlines
28 Feb - 07 Mar	Turkish Airlines

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

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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Cheapest return flights from Denver to London in February from $491

Return flights