Cheapest return flights from Portland to Las Vegas in May from $88

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 May 2025 (see full year).

Return flights

18 May - 21 May Frontier Airlines direct
18 May - 22 May Frontier Airlines direct
26 May - 28 May Frontier Airlines direct
25 May - 28 May Frontier Airlines direct
27 May - 29 May Spirit Airlines direct
29 May - 31 May Spirit Airlines direct
11 May - 14 May Spirit Airlines direct
12 May - 13 May Spirit Airlines direct
22 May - 27 May Spirit Airlines direct
24 May - 27 May Spirit Airlines direct
29 May - 03 Jun Spirit Airlines direct
31 May - 02 Jun Spirit Airlines direct
25 May - 01 Jun Frontier Airlines
30 May - 01 Jun Frontier Airlines
23 May - 01 Jun Spirit Airlines
25 May - 01 Jun Spirit Airlines direct
23 May - 01 Jun Spirit Airlines direct

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

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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