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

Return flights

24 Jan - 26 Jan	Scandinavian Airlines
12 Jan - 22 Jan	Scandinavian Airlines
14 Jan - 28 Jan	Virgin Atlantic
14 Jan - 21 Jan	KLM
20 Jan - 30 Jan	Delta
14 Jan - 27 Jan	Delta
12 Jan - 28 Jan	Delta
19 Jan - 04 Feb	Delta
13 Jan - 20 Jan	Air France
14 Jan - 30 Jan	Air France
20 Jan - 28 Jan	Air France
22 Jan - 01 Feb	Virgin Atlantic
21 Jan - 07 Feb	Delta
28 Jan - 08 Feb	Virgin Atlantic
25 Jan - 01 Feb	Air France
15 Jan - 01 Feb	KLM
16 Jan - 01 Feb	Air France
29 Jan - 15 Feb	Air France

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 499€

Return flights