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

Return flights

12 Jan - 19 Jan	Iberia
10 Jan - 16 Jan	Lufthansa
10 Jan - 17 Jan	Austrian Airlines
10 Jan - 19 Jan	Iberia
09 Jan - 16 Jan	Iberia
10 Jan - 18 Jan	Austrian Airlines

Also check the deals for one-way flights from Dayton 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 Dayton to London in January from $587

Return flights