AirHint found the following cheapest return flights from Portland (PDX) to Las Vegas (LAS)
in May 2025 (see full year ).
Return flights
07 May
- 14 May
Spirit Airlines
$ 49
direct
07 May
- 12 May
Spirit Airlines
$ 56
direct
12 May
- 16 May
Spirit Airlines
$ 64
direct
02 May
- 04 May
Spirit Airlines
$ 100
direct
05 May
- 12 May
Spirit Airlines
$ 105
direct
08 May
- 11 May
Frontier Airlines
$ 124
direct
29 May
- 02 Jun
Frontier Airlines
$ 128
direct
09 May
- 11 May
Spirit Airlines
$ 130
direct
14 May
- 20 May
Spirit Airlines
$ 148
direct
20 May
- 08 Jun
Spirit Airlines
$ 148
19 May
- 23 May
Frontier Airlines
$ 149
direct
30 May
- 01 Jun
Frontier Airlines
$ 171
22 May
- 25 May
Frontier Airlines
$ 178
direct
20 May
- 08 Jun
Spirit Airlines
$ 190
direct
Also check the deals for one-way flights from Portland to Las Vegas in May .
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.