AirHint found the following cheapest return flights from San Francisco (SFO) to Tokyo (NRT) in May 2026 (see full year).

Return flights

11 May - 18 May	Air Canada
24 May - 04 Jun	Air Canada
01 May - 22 May	Air Canada
12 May - 22 May	Korean Air
13 May - 29 May	Korean Air
06 May - 13 May	Korean Air
10 May - 20 May	Korean Air
14 May - 28 May	Alaska Airlines
12 May - 26 May	Korean Air
11 May - 27 May	Alaska Airlines
05 May - 01 Jun	Korean Air
06 May - 01 Jun	Korean Air
19 May - 02 Jun	Korean Air
05 May - 02 Jun	Korean Air
05 May - 23 May	Cathay Pacific
07 May - 03 Jun	Cathay Pacific
24 May - 01 Jun	WestJet
16 May - 04 Jun	WestJet
28 May - 11 Jun	WestJet
31 May - 17 Jun	WestJet

Also check the deals for one-way flights from San Francisco to Tokyo in May.

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 San Francisco to Tokyo in May from $731

Return flights