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

Return flights

02 Dec - 10 Dec	Frontier Airlines
04 Dec - 09 Dec	Frontier Airlines
02 Dec - 19 Dec	Spirit Airlines
02 Dec - 09 Dec	ANA
09 Dec - 18 Dec	American Airlines
04 Dec - 15 Dec	Korean Air
15 Dec - 22 Dec	Frontier Airlines
29 Dec - 18 Jan	Alaska Airlines
10 Dec - 31 Dec	United
30 Dec - 06 Jan	Korean Air
28 Dec - 04 Jan	Frontier Airlines
22 Dec - 02 Jan	Hawaiian Airlines
15 Dec - 31 Dec	Air Canada
19 Dec - 06 Jan	WestJet
20 Dec - 04 Jan	Frontier Airlines

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 $547

Return flights