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

Return flights

26 Jan - 05 Feb	Scandinavian Airlines
26 Jan - 31 Jan	Scandinavian Airlines
17 Jan - 01 Feb	Scandinavian Airlines
19 Jan - 29 Jan	Delta
28 Jan - 11 Feb	Delta
14 Jan - 30 Jan	Air France
14 Jan - 20 Jan	Air France
23 Jan - 29 Jan	Delta
25 Jan - 01 Feb	Delta
28 Jan - 08 Feb	Delta
14 Jan - 01 Feb	Delta
14 Jan - 02 Feb	Delta
11 Jan - 27 Jan	Delta
14 Jan - 24 Jan	Delta
30 Jan - 01 Feb	Delta
08 Jan - 13 Jan	Air France
12 Jan - 18 Jan	Air France
26 Jan - 07 Feb	Air France
14 Jan - 25 Jan	Air France
11 Jan - 06 Feb	KLM

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

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 January from $600

Return flights