AirHint found the following cheapest one-way flights from London (LHR) to Kaunas (KUN) in July 2025 (see full year).

One-Way flights

14 Jul	Scandinavian Airlines
22 Jul	British Airways
21 Jul	British Airways
27 Jul	British Airways
28 Jul	British Airways
31 Jul	British Airways
20 Jul	British Airways
29 Jul	Finnair
30 Jul	Aer Lingus
24 Jul	British Airways

Also check the deals for return flights from London to Kaunas in July.

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 one-way flights from London to Kaunas in July from $215

One-Way flights