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

Return flights

08 Mar - 18 Mar	Lufthansa
11 Mar - 19 Mar	Air Canada
01 Mar - 09 Mar	Finnair
24 Mar - 31 Mar	Air Canada
23 Mar - 31 Mar	Scandinavian Airlines
04 Mar - 09 Mar	Finnair
04 Mar - 11 Mar	Finnair
18 Mar - 25 Mar	Finnair
24 Mar - 31 Mar	Finnair	direct
03 Mar - 10 Mar	Delta
16 Mar - 13 Apr	Finnair
23 Mar - 07 Apr	Finnair
03 Mar - 14 Apr	Finnair
03 Mar - 07 Apr	Finnair
01 Mar - 13 Apr	Finnair
03 Mar - 21 Apr	Finnair
17 Mar - 07 Apr	Finnair
25 Mar - 10 Apr	United
23 Mar - 07 Apr	British Airways	direct
03 Mar - 14 Apr	British Airways	direct

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.

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Cheapest return flights from Dallas-Fort Worth to London in March from 470€

Return flights