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Cheap flights from Portland to Las Vegas from £80

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 13/5. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — LAS
4 Mar — 11 Mar1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Portland to Las Vegas Harry Reid Intl are usually found in April or August, booked 30 days in advance, depart on a Monday or Tuesday and return on a Monday

Cheap flight deals from Portland to Las Vegas

Enter your travel dates to find the best prices.

Cheapest flights from Portland to Las Vegas
Explore the most affordable flight options available from Portland to Las Vegas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 2 February 2026.

Wed 15/410:48
PDX
-
LAS
1 stop12h 03m
Alaska Airlines
Sat 18/407:00
LAS
-
PDX
Nonstop2h 27m
Alaska Airlines
Deal found 30/1£146
Wed 25/210:38
PDX
-
LAS
Nonstop2h 22m
Alaska Airlines
Wed 25/214:19
LAS
-
PDX
Nonstop2h 28m
Alaska Airlines
Deal found 1/2£155
Sat 28/214:36
PDX
-
LAS
Nonstop2h 21m
Alaska Airlines
Mon 2/319:55
LAS
-
PDX
Nonstop2h 22m
Alaska Airlines
Deal found 2/2£158
Wed 11/314:47
PDX
-
LAS
1 stop8h 29m
Alaska Airlines
Tue 17/314:19
LAS
-
PDX
Nonstop2h 28m
Alaska Airlines
Deal found 30/1£161
Tue 24/317:36
PDX
-
LAS
1 stop5h 17m
Delta
Fri 27/318:59
LAS
-
PDX
1 stop13h 31m
Delta
Deal found 1/2£163
Wed 4/311:30
PDX
-
LAS
1 stop5h 05m
Southwest
Sat 7/322:35
LAS
-
PDX
Nonstop2h 20m
Southwest
Deal found 1/2£166
Fri 27/317:40
PDX
-
LAS
1 stop5h 32m
Delta
Tue 31/306:00
LAS
-
PDX
1 stop14h 59m
Delta
Deal found 1/2£168
Wed 4/307:15
PDX
-
LAS
1 stop5h 35m
Alaska Airlines
Wed 4/316:09
LAS
-
PDX
1 stop7h 35m
Alaska Airlines
Deal found 31/1£169
Sun 22/215:35
PDX
-
LAS
Nonstop2h 05m
Southwest
Tue 24/207:55
LAS
-
PDX
2 stops5h 40m
Southwest
Deal found 1/2£169
Tue 7/417:36
PDX
-
LAS
1 stop5h 17m
Delta
Tue 14/419:14
LAS
-
PDX
1 stop4h 41m
Delta
Deal found 1/2£170
Tue 12/510:51
PDX
-
LAS
2 stops8h 23m
Alaska Airlines
Wed 13/507:15
LAS
-
PDX
1 stop6h 17m
Alaska Airlines
Deal found 30/1£172

Find flight deals from Portland to Las Vegas

Discover tips and strategies to find the most affordable flight options for your journey from Portland (PDX) to Las Vegas (LAS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 2 February 2026.

Round-trip from

£146

One-way from

£80

Popular in

December

Cheapest in

April

Average price

£142
Alaska Airlines
  • Alaska Airlines
  • 15/4-18/4
  • 1 total stop
  • 14h 30m total
  • Portland to Las Vegas
Search Deals
Southwest
  • Southwest
  • 13/5
  • Nonstop
  • 2h 10m total
  • Portland to Las Vegas
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£16 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£3 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customise 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, Cheapflights users made 858,174 searches. Data last updated 2 February 2026.
Use the filters below to find and compare flights from Portland to Las Vegas that are best for you.

Fly from

Portland

Fly to

Las Vegas

Route

Depart

Return

Price

PortlandLas Vegas

PDX - LAS

PDXLAS

Portland

Tue 31/3

18:00-20:10

Nonstop2h 10m

Las Vegas Harry Reid Intl

Tue 7/4

20:50-23:10

Nonstop2h 20m

£158

PortlandLas Vegas

PDX - LAS

PDXLAS

Portland

Wed 11/3

14:47-23:16

1 stop8h 29m

Las Vegas Harry Reid Intl

Tue 17/3

14:19-16:47

Nonstop2h 28m

£161

PortlandLas Vegas

PDX - LAS

PDXLAS

Portland

Wed 25/2

07:15-12:50

1 stop5h 35m

Las Vegas Harry Reid Intl

Wed 25/2

14:19-16:47

Nonstop2h 28m

£161

PortlandLas Vegas

PDX - LAS

PDXLAS

Portland

Sun 15/3

15:52-20:22

1 stop4h 30m

Las Vegas Harry Reid Intl

Tue 24/3

07:00-09:27

Nonstop2h 27m

£166

PortlandLas Vegas

PDX - LAS

PDXLAS

Portland

Sat 11/4

17:32-22:46

1 stop5h 14m

Las Vegas Harry Reid Intl

Tue 14/4

18:18-20:47

Nonstop2h 29m

£166

PortlandLas Vegas

PDX - LAS

PDXLAS

Portland

Tue 12/5

10:51-19:14

2 stops8h 23m

Las Vegas Harry Reid Intl

Fri 15/5

07:20-09:47

Nonstop2h 27m

£168

PortlandLas Vegas

PDX - LAS

PDXLAS

Portland

Tue 12/5

10:51-19:14

2 stops8h 23m

Las Vegas Harry Reid Intl

Sat 16/5

07:20-09:47

Nonstop2h 27m

£168

PortlandLas Vegas

PDX - LAS

PDXLAS

Portland

Tue 12/5

10:51-19:14

2 stops8h 23m

Las Vegas Harry Reid Intl

Thu 14/5

15:17-20:50

1 stop5h 33m

£172

PortlandLas Vegas

PDX - LAS

PDXLAS

Portland

Mon 9/3

13:10-17:38

1 stop4h 28m

Las Vegas Harry Reid Intl

Wed 11/3

06:08-12:14

1 stop6h 06m

£173

PortlandLas Vegas

PDX - LAS

PDXLAS

Portland

Sun 8/3

17:40-23:12

1 stop5h 32m

Las Vegas Harry Reid Intl

Wed 11/3

09:36-16:43

1 stop7h 07m

£173

Flights are sorted by cheapest return flights first.

Deals found on 30/1

Showing 1-10 of 23 results
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Best time to book a flight from Portland to Las Vegas

Have a flexible travel schedule? Discover the best time to fly to Las Vegas from Portland with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Portland to Las Vegas

How far ahead should I book a flight from Portland to Las Vegas?

Use this chart to determine the optimal time to book a return flight from Portland to Las Vegas. Price data was last updated on 30 January 2026.

The best time to book flights from Portland to Las Vegas is 30 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Portland to Las Vegas?

Currently, April is the cheapest month in which you can book a flight from Portland to Las Vegas (average of £36). Flying from Portland to Las Vegas in December is currently the most expensive (average of £75). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from PDX to LAS?

Find hourly flight availability from Portland to Las Vegas. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 2 February 2026.

It’s typically best to fly out from Portland to Las Vegas in the evening. Doing so could potentially save you 56% on the flight price compared to flying at midday, which is usually more expensive.

Related info for your journey

Find useful and relevant information for your journey from Portland to Las Vegas. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How popular is this Portland to Las Vegas flight route?

    This flight path from Portland to Las Vegas Harry Reid Intl was viewed by 4 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from Portland to Las Vegas?

    Departing from Portland to Las Vegas will take you 2h 10m. Portland and Las Vegas are separated by a distance of 762 mi. Generally, flights for this route are direct.

  • What are the most reliable airlines from Portland to Las Vegas?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Portland to Las Vegas on time: Alaska Airlines (77%), Southwest (74%), Hawaiian Airlines (73%).

  • Can I find deals for flights from Portland to Las Vegas that include hotel bookings?

    Yes. In addition to deals on Portland to Las Vegas flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Portland to Las Vegas?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portland to Las Vegas.

  • Can I find deals for business class flights from Portland to Las Vegas?

    Yes. Cheapflights offers flight deals from Portland to Las Vegas by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Portland to Las Vegas?

    Currently, April is the cheapest month in which you can book a flight from Portland to Las Vegas (average of £36). Flying from Portland to Las Vegas in December is currently the most expensive (average of £75). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Las Vegas?

Book flights to Las Vegas if you plan to visit one of these locations
Furnace Creek
Henderson
Kingman

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Can Cheapflights find flights from Portland to Las Vegas with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Portland to Las Vegas, users can toggle the no change fees filter when performing a flight search.

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Of course! You can now track prices for flights from Portland to Las Vegas and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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