AirHint found the following cheapest return flights from Tokyo (NRT) to Keflavik (KEF) in July 2025 (see full year).

Return flights

16 Jul - 25 Jul	China Southern
02 Jul - 30 Jul	LOT
03 Jul - 09 Jul	Austrian Airlines
07 Jul - 13 Jul	LOT
15 Jul - 21 Jul	Air Canada
24 Jul - 29 Jul	Air Canada
14 Jul - 19 Jul	Air Canada
10 Jul - 15 Jul	Air Canada
11 Jul - 13 Jul	Air Canada
02 Jul - 13 Jul	Air Canada
26 Jul - 02 Aug	SWISS
31 Jul - 10 Aug	Air Canada
25 Jul - 04 Aug	Air Canada
28 Jul - 03 Aug	Qatar Airways
31 Jul - 08 Aug	Air Canada
26 Jul - 03 Aug	SWISS
30 Jul - 06 Aug	Qatar Airways

Also check the deals for one-way flights from Tokyo to Keflavik 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 return flights from Tokyo to Keflavik in July from $1277

Return flights