$44 Cheap Flights from Portland (PDX) to Las Vegas (LAS)

View $44 flight on Mon, May 19, 2025Opens in a new window

Popular airlines from Portland International Airport (PDX) to Harry Reid Intl. Airport (LAS)

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Find available prices by choosing your travel dates.

Cheap Flights from Portland to Las Vegas (PDX-LAS)

Prices were available within the past 7 days and start at $44 for one-way flights and $88 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Sun, May 25 - Fri, May 30
PDX
Portland
LAS
Las Vegas
$88 Roundtrip, just found
$88
Roundtrip
just found
Select Frontier Airlines flight, departing Sun, May 25 from Portland to Las Vegas, returning Fri, May 30, priced at $88 just found
Frontier Airlines
Sun, Jul 6 - Fri, Jul 11
PDX
Portland
LAS
Las Vegas
$95 Roundtrip, found 2 hours ago
$95
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Sun, Jul 6 from Portland to Las Vegas, returning Fri, Jul 11, priced at $95 found 2 hours ago
Frontier Airlines
Mon, May 19 - Thu, May 29
PDX
Portland
LAS
Las Vegas
$96 Roundtrip, found 1 hour ago
$96
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Mon, May 19 from Portland to Las Vegas, returning Thu, May 29, priced at $96 found 1 hour ago
Frontier Airlines
Mon, May 26 - Fri, May 30
PDX
Portland
LAS
Las Vegas
$97 Roundtrip, found 2 hours ago
$97
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Mon, May 26 from Portland to Las Vegas, returning Fri, May 30, priced at $97 found 2 hours ago
Spirit Airlines
Sun, Jun 1 - Fri, Jun 13
PDX
Portland
LAS
Las Vegas
$100 Roundtrip, found 4 days ago
$100
Roundtrip
found 4 days ago
Select Spirit Airlines flight, departing Sun, Jun 1 from Portland to Las Vegas, returning Fri, Jun 13, priced at $100 found 4 days ago
Spirit Airlines
Sun, May 11 - Fri, May 23
PDX
Portland
LAS
Las Vegas
$102 Roundtrip, found 5 days ago
$102
Roundtrip
found 5 days ago
Select Spirit Airlines flight, departing Sun, May 11 from Portland to Las Vegas, returning Fri, May 23, priced at $102 found 5 days ago
Frontier Airlines
Sun, May 25 - Fri, May 30
PDX
Portland
LAS
Las Vegas
$103 Roundtrip, just found
$103
Roundtrip
just found
Select Frontier Airlines flight, departing Sun, May 25 from Portland to Las Vegas, returning Fri, May 30, priced at $103 just found
Delta
Tue, May 20 - Fri, May 30
PDX
Portland
LAS
Las Vegas
$123 Roundtrip, found 1 hour ago
$123
Roundtrip
found 1 hour ago
Select Delta flight, departing Tue, May 20 from Portland to Las Vegas, returning Fri, May 30, priced at $123 found 1 hour ago
American Airlines
Sun, May 25 - Thu, May 29
PDX
Portland
LAS
Las Vegas
$125 Roundtrip, just found
$125
Roundtrip
just found
Select American Airlines flight, departing Sun, May 25 from Portland to Las Vegas, returning Thu, May 29, priced at $125 just found
Southwest Airlines
Mon, May 12 - Wed, May 14
PDX
Portland
LAS
Las Vegas
$157 Roundtrip, found 1 hour ago
$157
Roundtrip
found 1 hour ago
Select Southwest Airlines flight, departing Mon, May 12 from Portland to Las Vegas, returning Wed, May 14, priced at $157 found 1 hour ago
Flights from Portland (PDX) to Las Vegas (LAS)
Origin airport
Portland Intl.
Destination airport
Harry Reid Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Hawaiian Airlines, JetBlue Airways, Southwest Airlines, Spirit Airlines, United
Roundtrip price
$88
Distance
762 mi

Portland to Las Vegas Flights

The cheapest times to fly from Portland to Las Vegas

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Portland to Las Vegas are during the month of May. You can find some of the cheapest flights from Portland to Las Vegas with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Portland to Las Vegas

Sunday is one of the best days to book for cheap flights from Portland to Las Vegas: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Portland to Las Vegas

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Portland to Las Vegas in 2025. You can also book with separate airlines for your outbound and return journeys, from $44 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Portland to Las Vegas flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Portland to Las Vegas airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Portland Intl. Airport (PDX) to Harry Reid Intl. Airport (LAS) cost?
Book cheap return fares starting from $79 from Portland Intl. Airport (PDX) to Harry Reid Intl. Airport (LAS). This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Spirit Airlines and Frontier Airlines flight leaving PDX on May 12 2025 and touching down at LAS. The price was last updated on April 26 2025 and has not changed since.
What is the cheapest month to fly from PDX to LAS?
The cheapest flights from PDX to LAS are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Portland Intl. Airport (PDX) to Harry Reid Intl. Airport (LAS)?
Select from 4 airlines that fly directly from Portland Intl. Airport (PDX) to Harry Reid Intl. Airport (LAS). These include:

  • Alaska Airlines
  • Southwest Airlines
  • Spirit Airlines

What is the cheapest airline that flies from PDX to LAS?
Jet off from PDX to LAS with Spirit Airlines. This carrier currently offers the cheapest one-way fare on this route, starting at $34. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from PDX on May 12 2025. Prices were last updated on April 26 2025 and have not changed since.
How many flights per day from Portland Intl. Airport (PDX) to Harry Reid Intl. Airport (LAS)?
With an average of 8 direct flights departing from Portland Intl. Airport (PDX) to Harry Reid Intl. Airport (LAS) daily, you’ll be soaring through the skies in no time.
What are the most popular departure times for flights from Portland Intl. Airport (PDX) to Harry Reid Intl. Airport (LAS)?
Flights between PDX and LAS are their busiest at 5 PM. If you’d like a more relaxed atmosphere and potentially cheaper fares, look for a time outside the usual busy windows.
What day of the week has the most flights from PDX to LAS?
If you fly on a Friday, you’ll get the greatest range of choices for flights from Portland Intl. Airport (PDX) to Harry Reid Intl. Airport (LAS).
What is the earliest flight from Portland Intl. Airport (PDX) to Harry Reid Intl. Airport (LAS)?
Portland Intl. Airport (PDX)’s earliest flight to Harry Reid Intl. Airport (LAS) takes off at approximately 5:20AM UTC-8. With a total flight time of 2h 10m, you’ll land at around 7:30AM UTC-8.
How long does it take to fly from Portland Intl. Airport (PDX) to Harry Reid Intl. Airport (LAS)?
Flights from PDX to LAS have an average travel time of 2 hours and 10 minutes. The distance between the two airports is 760 mi.
What airline has the least delays from PDX to LAS?
Southwest Airlines has the best track record for on-time direct flights from Portland Intl. Airport (PDX) to Harry Reid Intl. Airport (LAS), with an on-time score of 87%. Use the Expedia App to see your flight schedule before you leave and get real-time alerts about any changes.
What is the best time to fly from Portland Intl. Airport (PDX) to Harry Reid Intl. Airport (LAS)?
Book a flight from Portland Intl. Airport (PDX) to Harry Reid Intl. Airport (LAS) that takes off before 3 PM to reduce the risk of cancellations. Later departures are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.
What airports do you fly into for Las Vegas from Portland Intl. Airport (PDX)?
Browse your flight options from Portland Intl. Airport (PDX) to Harry Reid Intl. Airport (LAS). This is the only airport in Las Vegas you can fly into if you’re taking a direct flight.
Is it cheaper to buy a plane ticket from Portland Intl. Airport (PDX) to Harry Reid Intl. Airport (LAS) last-minute?
Holding off until just before your departure to book a flight from PDX to LAS often results in higher prices. While it’s possible to find some last-minute discounts, they’re not always guaranteed. Keep your travel schedule open for a better chance of snagging a bargain.
Is it cheaper to book a PDX to LAS flight and hotel package?
Compared with arranging flights and hotels separately, booking a PDX to LAS flight and hotel package with Expedia could lead to significant savings. What’s more, having everything in one place takes the hassle out of planning your trip. Just pick your flights and choose from our wide range of stays, then customize your trip with other add-ons like activities and car rentals.
Can I cancel or change the date of my flight from Portland Intl. Airport (PDX) to Harry Reid Intl. Airport (LAS)?
You can usually reschedule or cancel your PDX to LAS flight. However, for bookings made more than 24 hours ago, additional charges may apply. Check your airline’s policies in your itinerary to see what changes are allowed and if any costs are involved. You’ll also find more information on our Customer Service portal.

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