Cheap flights from Las Vegas to Portland from $107

The cheapest month to fly to Portland from Las Vegas is in September. Flight prices, which tend to average around $123, are often lower during this time because this is during the off-season. If you don’t want to visit Portland in September, then you should wait until January to fly from Las Vegas, when ticket prices are also cheap, with an average price of $130.

The cheapest day to depart on your flight to Portland is on a Friday when prices can be found for as low as $182. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Portland is Saturday, with ticket prices averaging around $266.

The cheapest time of day to fly to Portland is in the afternoon when flights can be purchased for as low as $161. At noon is when there is more demand to fly to Portland, so prices are often more expensive at around $271 per ticket.

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

You are more likely to see cheaper flights to Portland from Las Vegas when booking weeks ahead of your departure date. In general, you can expect to find flights to Portland for around $194 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Portland from Las Vegas for as low as $160 on momondo.

There are 4 cabin classes available to choose from on Las Vegas to Portland flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Frontier and Allegiant Air are the most popular carriers operating from Las Vegas Harry Reid Intl to Portland

Alaska Airlines, Frontier and Spirit Airlines are the top three most popular airlines that fly to Portland from Las Vegas according to our data. Alaska Airlines is the first choice among our users, with 41% of people opting to fly with this airline when traveling to Portland. Keep in mind that there are 5 different airlines that fly to Portland on a routine basis, so you have a few additional options to choose from.

As of May 2026, 4 flights take off from Las Vegas and land in Portland each day. The most common flight departure time for this route is 7:00AM, with 45% of daily flights taking off at noon.

33 flights are operational weekly from Las Vegas to Portland as of May 2026. The most popular departure day for this route is Fri, with 24% of flights per week taking off on this day.