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Cheap flights from Portland to Las Vegas from $38

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Portland to Las Vegas departing on 8/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Portland to Las Vegas

Cheap round-trip flights

Frontier Logo
11:27 am - 1:49 pmPDX-LAS
2h 22mnonstop
Frontier Logo
3:58 pm - 6:32 pmLAS-PDX
2h 34mnonstop
$77Frontier
Find Deal
Sun, Aug 31 - Fri, Sep 5
Frontier Logo
11:00 am - 1:22 pmPDX-LAS
2h 22mnonstop
Frontier Logo
10:25 am - 12:51 pmLAS-PDX
2h 26mnonstop
$80Frontier
Find Deal
Mon, Aug 4 - Mon, Aug 11
Spirit Airlines Logo
7:59 pm - 10:14 pmPDX-LAS
2h 15mnonstop
Spirit Airlines Logo
8:53 am - 11:12 amLAS-PDX
2h 19mnonstop
$81Spirit Airlines
Find Deal
Wed, Sep 10 - Mon, Sep 15
Spirit Airlines Logo
3:10 pm - 5:22 pmPDX-LAS
2h 12mnonstop
Spirit Airlines Logo
4:40 pm - 6:57 pmLAS-PDX
2h 17mnonstop
$82Spirit Airlines
Find Deal
Sat, Aug 9 - Thu, Aug 14
Spirit Airlines Logo
10:23 am - 12:35 pmPDX-LAS
2h 12mnonstop
Spirit Airlines Logo
4:40 pm - 6:57 pmLAS-PDX
2h 17mnonstop
$84Spirit Airlines
Find Deal
Wed, Aug 6 - Wed, Aug 13
Spirit Airlines Logo
7:52 pm - 10:13 pmPDX-LAS
2h 21mnonstop
Spirit Airlines Logo
4:40 pm - 6:57 pmLAS-PDX
2h 17mnonstop
$85Spirit Airlines
Find Deal
Thu, Aug 21 - Mon, Aug 25
 Logo
6:16 pm - 8:37 pmPDX-LAS
2h 21mnonstop
 Logo
7:00 am - 9:18 amLAS-PDX
2h 18mnonstop
Sun, Aug 3 - Wed, Aug 6
 Logo
10:23 am - 12:35 pmPDX-LAS
2h 12mnonstop
 Logo
10:25 am - 12:51 pmLAS-PDX
2h 26mnonstop
Thu, Aug 7 - Mon, Aug 11
Southwest Logo
7:25 am - 9:40 amPDX-LAS
2h 15mnonstop
Southwest Logo
4:40 pm - 9:15 pmLAS-PDX
4h 35m1 stop
$114Southwest
Find Deal
Sat, Sep 6 - Wed, Sep 10
Southwest Logo
5:10 am - 1:05 pmPDX-LAS
7h 55m2 stops
Southwest Logo
7:40 pm - 9:55 pmLAS-PDX
2h 15mnonstop
$119Southwest
Find Deal
Sat, Sep 6 - Wed, Sep 10

Frontier flights from Portland to Las Vegas

Our best Frontier deals on Portland to Las Vegas flight tickets
Frontier
Aug 31
PDX11:27 amPortland
2h 22m
LAS1:49 pmLas Vegas Harry Reid Intl
Sep 5
LAS3:58 pmLas Vegas Harry Reid Intl
2h 34m
PDX6:32 pmPortland
Frontier
Aug 4
PDX11:00 amPortland
2h 22m
LAS1:22 pmLas Vegas Harry Reid Intl
Aug 11
LAS10:25 amLas Vegas Harry Reid Intl
2h 26m
PDX12:51 pmPortland
Frontier
Aug 22
PDX11:27 amPortland
2h 22m
LAS1:49 pmLas Vegas Harry Reid Intl
Aug 25
LAS3:48 pmLas Vegas Harry Reid Intl
2h 26m
PDX6:14 pmPortland

Southwest flights from Portland to Las Vegas

Our best Southwest deals on Portland to Las Vegas flight tickets
Southwest
Sep 6
PDX7:25 amPortland
2h 15m
LAS9:40 amLas Vegas Harry Reid Intl
Sep 10
LAS4:40 pmLas Vegas Harry Reid Intl
4h 35m
1 stop
PDX9:15 pmPortland
Southwest
Sep 6
PDX5:10 amPortland
7h 55m
2 stops
LAS1:05 pmLas Vegas Harry Reid Intl
Sep 10
LAS7:40 pmLas Vegas Harry Reid Intl
2h 15m
PDX9:55 pmPortland
Southwest
Aug 19
PDX10:55 amPortland
6h 15m
1 stop
LAS5:10 pmLas Vegas Harry Reid Intl
Aug 22
LAS5:15 pmLas Vegas Harry Reid Intl
2h 20m
PDX7:35 pmPortland

See travel insights to Las Vegas from

How to get the cheapest flight ticket from Portland to Las Vegas

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Portland and Las Vegas?

What is the cheapest month to fly to Las Vegas?

The month of October is, on average, the cheapest month to fly to Las Vegas from Portland, with most prices found around $132. The month of August is another great option to travel to Las Vegas, with average flight prices from Portland averaging around $135.

What is the cheapest day to depart on your flight to Las Vegas?

Our data shows that Monday is the least expensive day to fly to Las Vegas. Tickets to fly out on this day can be as low as $166. Flights from Portland to Las Vegas on a Thursday will generally be more expensive and average around $211. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Las Vegas?

The cheapest time of day to fly to Las Vegas is in the evening when flights can be purchased for as low as $164. Flights to Las Vegas are more costly in the morning, with an average ticket price of $210. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Portland to Las Vegas Harry Reid Intl flight route?

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

How far in advance should I book a flight to Las Vegas?

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 $168 when searching weeks out. 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 $123 on momondo.

What cabin class options are available on Portland to Las Vegas Harry Reid Intl flights?

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

How have Portland to Las Vegas flight prices changed over time?

As of July 2025, prices for Portland to Las Vegas flights are approximately 47% cheaper when compared to flights at the same time last year.

When to book flights from Portland to Las Vegas

Are you open to changing your travel dates? Check out the ideal times to fly from Portland to Las Vegas according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Portland to Las Vegas (PDX to LAS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Portland to Las Vegas

Best Price Found

$38

Fastest flight time

2h 10m

Direct flights

Every day

Airports in Las Vegas

1 airport
The best one-way flight to Las Vegas from Portland in the past 72 hours is $38. The best round-trip flight deal from Portland to Las Vegas found on momondo in the last 72 hours is $77.
The fastest flight from Portland to Las Vegas takes 2h 10m
Direct flights go from Portland to Las Vegas every day.
There is 1 airport near Las Vegas: Las Vegas Harry Reid Intl (LAS)

  • How far is Portland to Las Vegas Harry Reid Intl by plane?

    A flight from Portland to Las Vegas Harry Reid Intl will travel around 755.3 mi. In terms of flight time, this usually takes a little over 2h 12m.

  • When did momondo last update prices for flights from Portland Airport to Las Vegas Harry Reid Intl Airport?

    Prices for flights from Portland Airport to Las Vegas Harry Reid Intl Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Portland Airport to Las Vegas Harry Reid Intl Airport?

  • How old do you have to be to fly from Portland Airport to Las Vegas Harry Reid Intl Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Portland Airport to Las Vegas Harry Reid Intl Airport.

  • What documentation or ID do you need to fly to Las Vegas Harry Reid Intl Airport?

    The required travel and health documents for your Las Vegas Harry Reid Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Las Vegas Harry Reid Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from Portland to Las Vegas?

  • What is the most popular airline from Portland to Las Vegas?


Best airlines flying from Portland to Las Vegas

Compare and see reviews for airlines that fly from Portland to Las Vegas with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $45Free CancellationRating
5.9
3,268 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $48Free CancellationRating
6.3
8,060 reviews
Search Spirit Airlines flights
Hawaiian AirlinesPriceFrom $82Free CancellationRating
7.8
2,556 reviews
Search Hawaiian Airlines flights
SouthwestPriceFrom $135Free CancellationRating
8.0
4,253 reviews
Search Southwest flights
Alaska AirlinesPriceFrom $136Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights
DeltaPriceFrom $146Free CancellationRating
8.0
7,958 reviews
Search Delta flights
United AirlinesPriceFrom $263Free CancellationRating
7.4
8,843 reviews
Search United Airlines flights
  • Southwest Flights From Portland to Las Vegas

    Southwest operates around 20 flights from Portland to Las Vegas every week. The average price of these flights found in the last 72 hours has been $256, but momondo users have found Southwest deals from Portland to Las Vegas from as low as $135 round-trip. Southwest has been scored 8.0/10 in 4,252 reviews.

  • Alaska Airlines Flights From Portland to Las Vegas

    Another popular option for Portland to Las Vegas flights is Alaska Airlines (8.0/10, 10,000 ratings). Alaska Airlines flies from Portland to Las Vegas around 21 times per week, with deals starting from $136 round-trip and rising to an average price of around $266.


Traveling to a place near Las Vegas?

Book flights to Las Vegas if you plan to visit one of these locations
Laughlin
Mount Charleston
Henderson
Mesquite
North Las Vegas
Paradise
Kingman
Pahrump
Primm
Furnace Creek
Boulder City
Winchester
Sunrise Manor
Needles

Why use momondo?

Why should I use momondo to find a flight deal from Portland to Las Vegas?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Portland to Las Vegas. momondo saves you time and could save you money on your trip.

Can I find flights from Portland to Las Vegas with flexible booking policies on momondo?

All flight searches from Portland to Las Vegas on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Portland to Las Vegas?

momondo provides multiple filters to help you find the best flight to Las Vegas from Portland. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Portland to Las Vegas right now. Can momondo alert me if prices change?

Price alerts on flights to Las Vegas from Portland are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.


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1 adult
Mon 7/14
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