AirHint found the following cheapest return flights from Dallas (DAL) to London (LHR) in April 2026 (see full year).

Return flights

20 Apr - 30 Apr	Delta
20 Apr - 29 Apr	Delta
19 Apr - 29 Apr	Delta
19 Apr - 30 Apr	Delta
28 Apr - 05 May	Delta
20 Apr - 01 May	Delta
20 Apr - 27 Apr	Delta
22 Apr - 02 May	Delta
21 Apr - 02 May	Delta
20 Apr - 02 May	Delta
20 Apr - 16 May	KLM
23 Apr - 02 May	Delta
13 Apr - 17 Apr	Delta

Also check the deals for one-way flights from Dallas to London in April.

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 to London in April from $858

Return flights