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Cheap Flights from Portland (PWM) to Las Vegas (LAS)

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      Travellers and cabin class, 1 Adult, Economy

      Compare Portland to Harry Reid International flight deals

      Find the cheapest month or even day of the year to fly to Harry Reid International

      Book the best Harry Reid International fare with no extra fees

      Flight deals from Portland to Harry Reid International

      Looking for a cheap last-minute deal or the best return flight from Portland Airport to Harry Reid International Airport? If you want to travel next month, return fares start from $463. Find the lowest prices on one-way and return tickets right here.
      Las Vegas.$441 per passenger.Departing Mon, 9 Nov, returning Tue, 17 Nov.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Portland on Mon, 9 Nov, arriving in Harry Reid International.Inbound indirect flight with Southwest Airlines, departs from Harry Reid International on Tue, 17 Nov, arriving in Portland.Price includes taxes and charges.From $441, select.
      Las Vegas.$463 per passenger.Departing Fri, 2 Oct, returning Tue, 6 Oct.Return flight with United.Outbound indirect flight with United, departs from Portland on Fri, 2 Oct, arriving in Harry Reid International.Inbound indirect flight with United, departs from Harry Reid International on Tue, 6 Oct, arriving in Portland.Price includes taxes and charges.From $463, select.
      Las Vegas.$502 per passenger.Departing Tue, 8 Dec, returning Fri, 11 Dec.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Portland on Tue, 8 Dec, arriving in Harry Reid International.Inbound indirect flight with Southwest Airlines, departs from Harry Reid International on Fri, 11 Dec, arriving in Portland.Price includes taxes and charges.From $502, select.
      Las Vegas.$508 per passenger.Departing Fri, 30 Oct, returning Sat, 7 Nov.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Portland on Fri, 30 Oct, arriving in Harry Reid International.Inbound indirect flight with Southwest Airlines, departs from Harry Reid International on Sat, 7 Nov, arriving in Portland.Price includes taxes and charges.From $508, select.
      Las Vegas.$513 per passenger.Departing Sat, 20 Mar, returning Sat, 27 Mar.Return flight with Delta.Outbound indirect flight with Delta, departs from Portland on Sat, 20 Mar, arriving in Harry Reid International.Inbound indirect flight with Delta, departs from Harry Reid International on Sat, 27 Mar, arriving in Portland.Price includes taxes and charges.From $513, select.
      Las Vegas.$584 per passenger.Departing Mon, 3 May, returning Fri, 7 May.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Portland on Mon, 3 May, arriving in Harry Reid International.Inbound indirect flight with Southwest Airlines, departs from Harry Reid International on Fri, 7 May, arriving in Portland.Price includes taxes and charges.From $584, select.
      Las Vegas.$603 per passenger.Departing Thu, 24 Sep, returning Sun, 27 Sep.Return flight with United.Outbound indirect flight with United, departs from Portland on Thu, 24 Sep, arriving in Harry Reid International.Inbound indirect flight with United, departs from Harry Reid International on Sun, 27 Sep, arriving in Portland.Price includes taxes and charges.From $603, select.
      Las Vegas.$668 per passenger.Departing Fri, 12 Feb, returning Tue, 16 Feb.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Portland on Fri, 12 Feb, arriving in Harry Reid International.Inbound indirect flight with Southwest Airlines, departs from Harry Reid International on Tue, 16 Feb, arriving in Portland.Price includes taxes and charges.From $668, select.
      Las Vegas.$675 per passenger.Departing Thu, 3 Jun, returning Mon, 7 Jun.Return flight with United.Outbound indirect flight with United, departs from Portland on Thu, 3 Jun, arriving in Harry Reid International.Inbound indirect flight with United, departs from Harry Reid International on Mon, 7 Jun, arriving in Portland.Price includes taxes and charges.From $675, select.
      Las Vegas.$723 per passenger.Departing Wed, 30 Sep, returning Sat, 3 Oct.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Portland on Wed, 30 Sep, arriving in Harry Reid International.Inbound indirect flight with Southwest Airlines, departs from Harry Reid International on Sat, 3 Oct, arriving in Portland.Price includes taxes and charges.From $723, select.
      Las Vegas.$890 per passenger.Departing Tue, 29 Dec, returning Sat, 2 Jan.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Portland on Tue, 29 Dec, arriving in Harry Reid International.Inbound indirect flight with Southwest Airlines, departs from Harry Reid International on Sat, 2 Jan, arriving in Portland.Price includes taxes and charges.From $890, select.
      How did we find these deals? The deals you see here are the lowest prices for flight tickets from Portland to Harry Reid International found in the last 4 days, and are subject to change and availability.

      Find the cheapest month to fly from Portland to Harry Reid International

      We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Portland to Harry Reid International flights are currently cheapest in November.
      Sep
      from $603
      Oct
      from $463
      Nov
      from $441
      Dec
      from $502
      Jan
      Find prices
      Feb
      from $668
      Mar
      from $513
      Apr
      Find prices
      May
      from $584
      Jun
      from $675
      Jul
      Find prices
      Aug
      Find prices

      Portland to Harry Reid International: Alternative routes

      Compare routes from Portland to Las Vegas below. You may find an airport to fly into that's cheaper, faster, or easier than Harry Reid International.

      Harry Reid International

      4km from central Las Vegas
      ClosestCheapest
      from $441
      Search flights

      North Las Vegas

      11km from central Las Vegas
      Search flights

      Henderson Executive

      16km from central Las Vegas
      Search flights

      Boulder City Municipal

      34km from central Las Vegas
      Search flights

      Portland to Las Vegas: Flight information

      The things to know before you go.
      Cheapest flight found$441
      Cheapest month to flyNovember

      Finding cheap flights from Portland to Harry Reid International: Frequently asked questions

      The best price we found for a return flight from Portland to Harry Reid International is $441. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
      Currently, there are no airlines that fly direct from Portland to Harry Reid International. But we found flights with one or more stops from $441.
      As of September 2026, there are no flights flying from Portland to Harry Reid International.
      The cheapest month to fly from Portland to Harry Reid International is usually November.
      After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Portland Airport to Harry Reid International Airport on Monday, 9 November 2026.
      No airlines currently offer direct flights between Portland Airport and Harry Reid International Airport. Most routes have one or more stops.
      We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Harry Reid International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

      We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Las Vegas is around 40 days in advance, so don’t leave your flight to the last minute.

      Currently, Southwest Airlines offers the cheapest flight tickets to Harry Reid International.

      Flying from Portland Airport (PWM) to Harry Reid International Airport (LAS): what you need to know

      • The timezone in Las Vegas is UTC-8, which is three hours behind Portland.

      • To ensure you catch your PWM to LAS flight, allow plenty of time for things like baggage drop and finding your gate. Turning up two hours before international departures and an hour before domestic flights is the general travel rule.

      • Heading away during a peak time like school or public holidays? Expect longer lines at security and check-in. To play it safe, arrive up to four hours before international flights and two hours ahead of domestic departures.

      • If you'd like to add a stop to your trip, just uncheck 'Direct flights only' when searching for your ticket from Portland Airport to Harry Reid International Airport. These are the top stopovers between PWM and LAS:

        • Chicago O'Hare International Airport

        • Denver International Airport

        • Washington Dulles Airport

      Handy information about Portland Airport (PWM)

      • PWM is located at 1001 Westbrook Street.

      • 79% of flights that take off from Portland Airport make it to their destination on time.

      • To reach Portland Airport from central Portland, it takes around 15 minutes by car. This depends on traffic though. It's approximately 8 kilometres from the airport to the city centre.

      • You can expect a trip time of roughly 30 minutes when using public transport.

      • Need a convenient hotel close to PWM? If you're boarding an early flight from Portland Airport to Harry Reid International Airport, these stays will put you moments from your departure gate:

      Arriving at Harry Reid International Airport (LAS)

      Getting from Harry Reid International Airport (LAS) to central Las Vegas

      • You'll find LAS at 5757 Wayne Newton Boulevard.

      • Harry Reid International Airport to the centre of Las Vegas has a drive time of around 10 minutes. It's approximately 8 kilometres away.

      • If you're travelling on public transport, expect a journey of about 25 minutes.

      When to fly to Harry Reid International Airport (LAS)

      • It's time to pick your dates for your flight from Portland Airport to Harry Reid International Airport. April is the most popular month to visit Las Vegas. If you prefer a more low-key vibe, go in March.

      • When booking your flight from Portland Airport to Harry Reid International Airport, consider the kind of weather you like. July is the warmest month in Las Vegas, with temperatures ranging from 23ºC (73ºF) to 43ºC (109ºF).

      • Search for cheap tickets from PWM to LAS in January if you want to travel in cooler conditions. Temperatures are at their lowest then, ranging between 0ºC (32ºF) and 16ºC (61ºF) on average.

      Explore more of the United States

      • Los Angeles is just one of the many cities in the United States waiting to be discovered after you've experienced Las Vegas. Around 370 kilometres away to the south-west, top sights here include Hollywood Sign, Universal Studios Hollywood and Hollywood Bowl.

      • Phoenix is another sought-after destination in the United States and is around 418 kilometres south-east of Las Vegas. No trip is complete without visiting Camelback Mountain, Yayoi Kusama Fireflies Infinity Mirror Room and Heard Museum.

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      Prices shown on this page are estimated lowest prices only. Found in the last 12 days.