AirHint found the following cheapest return flights from Dallas-Fort Worth (DFW) to London (LGW) in March 2026 (see full year).

Return flights

10 Mar - 18 Mar	Air Canada
23 Mar - 31 Mar	Air Canada
04 Mar - 11 Mar	Air Canada
02 Mar - 16 Mar	Air Canada
01 Mar - 09 Mar	Iberia
29 Mar - 13 Apr	Frontier Airlines
18 Mar - 31 Mar	Air Canada
16 Mar - 23 Mar	Spirit Airlines
28 Mar - 10 Apr	Frontier Airlines
03 Mar - 10 Mar	Spirit Airlines
11 Mar - 18 Mar	Turkish Airlines
14 Mar - 20 Mar	Turkish Airlines
23 Mar - 01 Apr	Turkish Airlines
25 Mar - 01 Apr	Turkish Airlines
29 Mar - 27 Apr	Spirit Airlines
17 Mar - 04 Apr	Spirit Airlines
26 Mar - 04 Apr	Turkish Airlines

Also check the deals for one-way flights from Dallas-Fort Worth to London in March.

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 Dallas-Fort Worth to London in March from $501

Return flights