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

Return flights

04 Mar - 09 Mar	Finnair
04 Mar - 18 Mar	Finnair
03 Mar - 18 Mar	Finnair
10 Mar - 24 Mar	Finnair
10 Mar - 24 Mar	British Airways	direct
04 Mar - 18 Mar	Iberia	direct
03 Mar - 10 Mar	British Airways	direct
03 Mar - 18 Mar	British Airways	direct
22 Mar - 29 Mar	Finnair
01 Mar - 08 Mar	Finnair
17 Mar - 04 Apr	Iberia	direct
29 Mar - 27 Apr	Iberia
13 Mar - 04 Apr	Lufthansa

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 414€

Return flights