Cheapest one-way flights from Phoenix to Las Vegas in December from $20

AirHint found the following cheapest one-way flights from Phoenix (PHX) to Las Vegas (LAS) in December 2025 (see full year).

One-Way flights

14 Dec Frontier Airlines direct
09 Dec Frontier Airlines direct
10 Dec Frontier Airlines direct
17 Dec Frontier Airlines direct
12 Dec Frontier Airlines direct
11 Dec Frontier Airlines direct
08 Dec Frontier Airlines direct
05 Dec Frontier Airlines direct
25 Dec Frontier Airlines direct
22 Dec Frontier Airlines direct

Also check the deals for return flights from Phoenix to Las Vegas in December.

Powered by

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.

Book a cheap hotel in Las Vegas

Cheap car rent in Las Vegas

Feel free to contact us with any feedback or request another flight research.