AirHint found the following cheapest return flights from Porto (OPO) to Tokyo (NRT) in March 2026 (see full year).

Return flights

03 Mar - 11 Mar	Qatar Airways
05 Mar - 12 Mar	Qatar Airways
17 Mar - 23 Mar	Air Europa
19 Mar - 02 Apr	Iberia
02 Mar - 13 Mar	Qatar Airways
11 Mar - 25 Mar	KLM
02 Mar - 16 Mar	Brussels Airlines
05 Mar - 18 Mar	KLM
11 Mar - 22 Mar	KLM
03 Mar - 18 Mar	KLM
07 Mar - 20 Mar	SWISS
31 Mar - 14 Apr	Qatar Airways
15 Mar - 01 Apr	Qatar Airways
23 Mar - 03 Apr	Qatar Airways
25 Mar - 13 Apr	Qatar Airways
30 Mar - 13 Apr	Turkish Airlines
21 Mar - 02 Apr	Turkish Airlines
30 Mar - 10 Apr	SWISS
29 Mar - 09 Apr	SWISS
26 Mar - 11 Apr	Qatar Airways

Also check the deals for one-way flights from Porto to Tokyo in March.

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 Porto to Tokyo in March from $963

Return flights