Cheap flights from Portland to Las Vegas from R1 901

The month of January is, on average, the cheapest month to fly to Las Vegas from Portland, with most prices found around R3 851. The month of December is another great option to travel to Las Vegas, with average flight prices from Portland averaging around R4 463.

Fly from Portland to Las Vegas Harry Reid Intl for the best Portland - Las Vegas Harry Reid Intl flight prices

You are more likely to see cheaper flights to Las Vegas from Portland when booking weeks ahead of your departure date. In general, you can expect to find flights to Las Vegas for around R4 827 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Las Vegas from Portland for as low as R4 302 on momondo.

There is only 1 cabin class available to choose from on Portland to Las Vegas flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Historically, on average around 13% of flights between Portland and Las Vegas have experienced a delay on any given week. The average delay length over the past 12 months has been 119 minutes.

Generally, flights departing at night tend to experience fewer delays. Flights departing in the evening have, in the past, seen delays more frequently in comparison.

Tuesday is statistically the day of the week that experiences the fewest delays on this flight route. Friday has historically seen more delays on average compared to the rest of the week.

According to our data, Alaska Airlines have had the fewest delays on this route over the last 12 months, with about 10% of their flights experiencing any sort of delay.

As of September 2026, 5 flights take off from Portland and land in Las Vegas each day. The most common flight departure time for this route is 12:00, with 51% of daily flights taking off in the afternoon.

39 flights are operational weekly from Portland to Las Vegas as of September 2026. The most popular departure day for this route is Fri, with 26% of flights per week taking off on this day.