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Cheap flights from Portland to Las Vegas from $49

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 9/28. 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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Cheap round-trip flights

Frontier Logo
11:23 am - 1:43 pmPDX-LAS
2h 20mnonstop
Frontier Logo
3:53 pm - 6:27 pmLAS-PDX
2h 34mnonstop
$89Frontier
Find Deal
Mon, Sep 29 - Fri, Oct 3
Frontier Logo
11:23 am - 1:43 pmPDX-LAS
2h 20mnonstop
Frontier Logo
3:53 pm - 6:27 pmLAS-PDX
2h 34mnonstop
$90Frontier
Find Deal
Sun, Sep 28 - Fri, Oct 3
Multiple Airlines Logo
11:23 am - 1:43 pmPDX-LAS
2h 20mnonstop
Multiple Airlines Logo
8:52 am - 11:11 amLAS-PDX
2h 19mnonstop
$94Multiple Airlines
Find Deal
Mon, Sep 29 - Thu, Oct 2
Multiple Airlines Logo
12:07 pm - 2:21 pmPDX-LAS
2h 14mnonstop
Multiple Airlines Logo
3:53 pm - 6:27 pmLAS-PDX
2h 34mnonstop
$97Multiple Airlines
Find Deal
Tue, Sep 30 - Fri, Oct 3
Spirit Airlines Logo
12:07 pm - 2:21 pmPDX-LAS
2h 14mnonstop
Spirit Airlines Logo
8:52 am - 11:11 amLAS-PDX
2h 19mnonstop
$99Spirit Airlines
Find Deal
Mon, Sep 29 - Tue, Sep 30
Spirit Airlines Logo
12:07 pm - 2:21 pmPDX-LAS
2h 14mnonstop
Spirit Airlines Logo
8:52 am - 11:11 amLAS-PDX
2h 19mnonstop
$100Spirit Airlines
Find Deal
Tue, Sep 30 - Wed, Oct 1
Frontier Logo
7:29 pm - 9:46 pmPDX-LAS
2h 17mnonstop
Frontier Logo
4:10 pm - 6:44 pmLAS-PDX
2h 34mnonstop
$101Frontier
Find Deal
Fri, Oct 31 - Fri, Nov 7
Spirit Airlines Logo
12:07 pm - 2:21 pmPDX-LAS
2h 14mnonstop
Spirit Airlines Logo
8:52 am - 11:11 amLAS-PDX
2h 19mnonstop
$104Spirit Airlines
Find Deal
Tue, Sep 30 - Thu, Oct 2
Multiple Airlines Logo
11:23 am - 1:43 pmPDX-LAS
2h 20mnonstop
Multiple Airlines Logo
8:52 am - 11:11 amLAS-PDX
2h 19mnonstop
$105Multiple Airlines
Find Deal
Sun, Sep 28 - Thu, Oct 2
Alaska Airlines Logo
5:55 pm - 8:14 pmPDX-LAS
2h 19mnonstop
Alaska Airlines Logo
6:10 pm - 8:38 pmLAS-PDX
2h 28mnonstop
$157Alaska Airlines
Find Deal
Wed, Oct 22 - Tue, Oct 28

Frontier flights from Portland to Las Vegas

Our best Frontier deals on Portland to Las Vegas flight tickets
Frontier
Sep 29
PDX11:23 amPortland
2h 20m
LAS1:43 pmLas Vegas Harry Reid Intl
Oct 3
LAS3:53 pmLas Vegas Harry Reid Intl
2h 34m
PDX6:27 pmPortland
$89
Find similar
Frontier
Sep 28
PDX11:23 amPortland
2h 20m
LAS1:43 pmLas Vegas Harry Reid Intl
Oct 3
LAS3:53 pmLas Vegas Harry Reid Intl
2h 34m
PDX6:27 pmPortland
$90
Find similar
Frontier
Oct 31
PDX7:29 pmPortland
2h 17m
LAS9:46 pmLas Vegas Harry Reid Intl
Nov 7
LAS4:10 pmLas Vegas Harry Reid Intl
2h 34m
PDX6:44 pmPortland
$101
Find similar

Spirit Airlines flights from Portland to Las Vegas

Our best Spirit Airlines deals on Portland to Las Vegas flight tickets
Spirit Airlines
Sep 29
PDX12:07 pmPortland
2h 14m
LAS2:21 pmLas Vegas Harry Reid Intl
Sep 30
LAS8:52 amLas Vegas Harry Reid Intl
2h 19m
PDX11:11 amPortland
$99
Find similar
Spirit Airlines
Sep 30
PDX12:07 pmPortland
2h 14m
LAS2:21 pmLas Vegas Harry Reid Intl
Oct 1
LAS8:52 amLas Vegas Harry Reid Intl
2h 19m
PDX11:11 amPortland
$100
Find similar
Spirit Airlines
Sep 30
PDX12:07 pmPortland
2h 14m
LAS2:21 pmLas Vegas Harry Reid Intl
Oct 2
LAS8:52 amLas Vegas Harry Reid Intl
2h 19m
PDX11:11 amPortland
$104
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Portland to Las Vegas that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated September 16, 2025.
Use the filters below to find and compare flights from Portland to Las Vegas that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PortlandLas Vegas

PDX - LAS

PDXLAS

Portland

Mon 9/29

11:23 am-1:43 pm

Nonstop2h 20m

Las Vegas Harry Reid Intl

Fri 10/3

3:53 pm-6:27 pm

Nonstop2h 34m

$89

PortlandLas Vegas

PDX - LAS

PDXLAS

Portland

Sun 9/28

11:23 am-1:43 pm

Nonstop2h 20m

Las Vegas Harry Reid Intl

Fri 10/3

3:53 pm-6:27 pm

Nonstop2h 34m

$90

PortlandLas Vegas

PDX - LAS

PDXLAS

Portland

Mon 9/29

11:23 am-1:43 pm

Nonstop2h 20m

Las Vegas Harry Reid Intl

Thu 10/2

8:52 am-11:11 am

Nonstop2h 19m

$94

PortlandLas Vegas

PDX - LAS

PDXLAS

Portland

Tue 9/30

12:07 pm-2:21 pm

Nonstop2h 14m

Las Vegas Harry Reid Intl

Fri 10/3

3:53 pm-6:27 pm

Nonstop2h 34m

$97

PortlandLas Vegas

PDX - LAS

PDXLAS

Portland

Mon 9/29

12:07 pm-2:21 pm

Nonstop2h 14m

Las Vegas Harry Reid Intl

Tue 9/30

8:52 am-11:11 am

Nonstop2h 19m

$99

PortlandLas Vegas

PDX - LAS

PDXLAS

Portland

Tue 9/30

12:07 pm-2:21 pm

Nonstop2h 14m

Las Vegas Harry Reid Intl

Wed 10/1

8:52 am-11:11 am

Nonstop2h 19m

$100

PortlandLas Vegas

PDX - LAS

PDXLAS

Portland

Fri 10/31

7:29 pm-9:46 pm

Nonstop2h 17m

Las Vegas Harry Reid Intl

Fri 11/7

4:10 pm-6:44 pm

Nonstop2h 34m

$101

PortlandLas Vegas

PDX - LAS

PDXLAS

Portland

Tue 9/30

12:07 pm-2:21 pm

Nonstop2h 14m

Las Vegas Harry Reid Intl

Thu 10/2

8:52 am-11:11 am

Nonstop2h 19m

$104

PortlandLas Vegas

PDX - LAS

PDXLAS

Portland

Sun 9/28

11:23 am-1:43 pm

Nonstop2h 20m

Las Vegas Harry Reid Intl

Thu 10/2

8:52 am-11:11 am

Nonstop2h 19m

$105

PortlandLas Vegas

PDX - LAS

PDXLAS

Portland

Wed 10/22

5:55 pm-8:14 pm

Nonstop2h 19m

Las Vegas Harry Reid Intl

Tue 10/28

6:10 pm-8:38 pm

Nonstop2h 28m

$157

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 cheapest month to fly to Las Vegas?

The month of February is, on average, the cheapest month to fly to Las Vegas from Portland, with most prices found around $148. The month of October is another great option to travel to Las Vegas, with average flight prices from Portland averaging around $149.

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 $170. Flights from Portland to Las Vegas on a Thursday will generally be more expensive and average around $222. 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 $165. Flights to Las Vegas are more costly in the afternoon, with an average ticket price of $219. Departure times in the afternoon 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 $179 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 $130 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 September 2025, prices for Portland to Las Vegas flights are approximately 100% more expensive 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

$86

Fastest flight time

2h 05m

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 $86. The best round-trip flight deal from Portland to Las Vegas found on momondo in the last 72 hours is $135.
The fastest flight from Portland to Las Vegas takes 2h 05m
Direct flights go from Portland to Las Vegas every day.
There is 1 airport near Las Vegas: Las Vegas Harry Reid Intl (LAS)
Search flight deals

  • 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 14m.

  • 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 $48Free CancellationRating
5.8
3,174 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $50Free CancellationRating
6.3
8,019 reviews
Search Spirit Airlines flights
Hawaiian AirlinesPriceFrom $84Free CancellationRating
7.8
2,724 reviews
Search Hawaiian Airlines flights
SouthwestPriceFrom $135Free CancellationRating
8.0
4,242 reviews
Search Southwest flights
DeltaPriceFrom $136Free CancellationRating
7.9
7,957 reviews
Search Delta flights
Alaska AirlinesPriceFrom $140Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $236Free CancellationRating
7.4
8,924 reviews
Search United Airlines flights

  • Southwest Flights From Portland to Las Vegas

    Southwest operates around 18 flights from Portland to Las Vegas every week. The average price of these flights found in the last 72 hours has been $258, 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 4,242 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 16 times per week, with deals starting from $140 round-trip and rising to an average price of around $273.

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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