Cheapest return flights from London to Washington in January from 489€

Best time to book flights for London (LHR) to Washington (IAD) flights at AirHint

AirHint found the following cheapest return flights from London (LHR) to Washington (IAD) in January 2025 (see full year).

Return flights

16 Jan - 19 Jan Aer Lingus
14 Jan - 20 Jan Aer Lingus
29 Jan - 02 Feb Vueling Airlines
30 Jan - 02 Feb Vueling Airlines
22 Jan - 26 Jan Vueling Airlines
22 Jan - 31 Jan Vueling Airlines
13 Jan - 24 Jan Vueling Airlines
14 Jan - 31 Jan Aer Lingus
23 Jan - 26 Jan Vueling Airlines
20 Jan - 27 Jan Vueling Airlines
30 Jan - 03 Feb Aer Lingus
15 Jan - 20 Jan Aer Lingus
28 Jan - 06 Feb KLM
22 Jan - 29 Jan British Airways
29 Jan - 05 Feb British Airways
31 Jan - 04 Feb Vueling Airlines
27 Jan - 10 Feb British Airways
31 Jan - 07 Feb Vueling Airlines
31 Jan - 02 Feb Vueling Airlines
27 Jan - 11 Feb British Airways

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

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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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