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

Return flights

04 May - 11 May	Air Canada
11 May - 17 May	Air Canada
05 May - 10 May	Air Canada
13 May - 20 May	Finnair
13 May - 26 May	Spirit Airlines
12 May - 19 May	Air Canada
27 May - 02 Jun	Spirit Airlines
23 May - 31 May	Spirit Airlines
07 May - 17 May	Iberia
23 May - 06 Jun	Spirit Airlines
26 May - 02 Jun	Spirit Airlines
06 May - 30 Jun	Finnair
16 May - 31 May	Finnair
08 May - 17 May	Turkish Airlines
24 May - 13 Jun	Finnair
30 May - 09 Jun	Iberia
28 May - 10 Jun	Spirit Airlines

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

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 May from 486€

Return flights