AirHint found the following cheapest return flights from Las Vegas (LAS) to Tokyo (NRT) in December 2025 (see full year).

Return flights

02 Dec - 16 Dec	Hawaiian Airlines
04 Dec - 15 Dec	Alaska Airlines
31 Dec - 20 Jan	Alaska Airlines
04 Dec - 18 Dec	United
02 Dec - 09 Dec	Hawaiian Airlines
03 Dec - 17 Dec	United
10 Dec - 22 Dec	ANA
09 Dec - 18 Dec	American Airlines
12 Dec - 23 Dec	Alaska Airlines
24 Dec - 03 Jan	Flair Airlines
15 Dec - 31 Dec	WestJet
24 Dec - 02 Jan	Alaska Airlines
22 Dec - 02 Jan	Spirit Airlines
20 Dec - 04 Jan	Korean Air
26 Dec - 04 Jan	WestJet
20 Dec - 03 Jan	WestJet

Also check the deals for one-way flights from Las Vegas to Tokyo in December.

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 Las Vegas to Tokyo in December from $638

Return flights