Cheapest return flights from Portland to Las Vegas in March from $47

Best time to book flights for Portland (PDX) to Las Vegas (LAS) flights at AirHint

AirHint found the following cheapest return flights from Portland (PDX) to Las Vegas (LAS) in March 2025 (see full year).

Return flights

01 Mar - 04 Mar Spirit Airlines direct
05 Mar - 09 Mar Spirit Airlines direct
01 Mar - 08 Mar Spirit Airlines direct
28 Mar - 02 Apr Frontier Airlines direct
06 Mar - 08 Mar Frontier Airlines direct
07 Mar - 10 Mar Alaska Airlines
13 Mar - 16 Mar Frontier Airlines direct
24 Mar - 31 Mar Frontier Airlines direct
07 Mar - 10 Mar Frontier Airlines direct
21 Mar - 27 Mar Frontier Airlines direct
07 Mar - 11 Mar Alaska Airlines

Also check the deals for one-way flights from Portland to Las Vegas in March.

Skyscanner

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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