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

Return flights

11 Feb - 19 Feb	Spirit Airlines
25 Feb - 03 Mar	Air Canada
06 Feb - 09 Feb	Frontier Airlines
26 Feb - 02 Mar	Frontier Airlines
02 Feb - 07 Feb	Frontier Airlines
13 Feb - 16 Feb	Air Canada
08 Feb - 15 Feb	Frontier Airlines
05 Feb - 08 Feb	Spirit Airlines
09 Feb - 13 Feb	Spirit Airlines
27 Feb - 02 Mar	Spirit Airlines
13 Feb - 20 Feb	Frontier Airlines
25 Feb - 01 Mar	Spirit Airlines
26 Feb - 03 Mar	Frontier Airlines
13 Feb - 15 Feb	Air Canada
19 Feb - 03 Mar	Frontier Airlines
10 Feb - 25 Feb	British Airways
26 Feb - 05 Mar	Icelandair

Also check the deals for one-way flights from Philadelphia 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.

Book a cheap hotel in London

Cheap car rent in London

Cheapest return flights from Philadelphia to London in February from $526

Return flights