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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 3/3. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — LAS
9 Mar — 16 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 7 February 2026.

Sun 15/316:46
PDX
-
LAS
Nonstop2h 20m
Alaska Airlines
Tue 24/307:00
LAS
-
PDX
Nonstop2h 27m
Alaska Airlines
Deal found 5/2£103
Wed 25/210:38
PDX
-
LAS
Nonstop2h 22m
Alaska Airlines
Wed 25/214:19
LAS
-
PDX
Nonstop2h 28m
Alaska Airlines
Deal found 3/2£156
Sun 1/317:52
PDX
-
LAS
Nonstop2h 22m
Alaska Airlines
Thu 5/307:00
LAS
-
PDX
Nonstop2h 30m
Alaska Airlines
Deal found 6/2£160
Fri 6/321:48
PDX
-
LAS
1 stop25h 28m
Alaska Airlines
Mon 16/321:16
LAS
-
PDX
Nonstop2h 28m
Alaska Airlines
Deal found 5/2£160
Tue 7/417:49
PDX
-
LAS
Nonstop2h 23m
Alaska Airlines
Tue 14/421:43
LAS
-
PDX
1 stop16h 07m
Alaska Airlines
Deal found 4/2£162
Fri 8/518:05
PDX
-
LAS
1 stop4h 00m
Southwest
Sun 10/522:55
LAS
-
PDX
Nonstop2h 20m
Southwest
Deal found 6/2£164
Wed 4/309:00
PDX
-
LAS
2 stops7h 20m
Southwest
Sat 7/322:35
LAS
-
PDX
Nonstop2h 20m
Southwest
Deal found 5/2£171
Sun 15/305:50
PDX
-
LAS
Nonstop2h 10m
Southwest
Sat 21/310:30
LAS
-
PDX
1 stop7h 45m
Southwest
Deal found 4/2£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 7 February 2026.

Round-trip from

£103

One-way from

£80

Popular in

December

Cheapest in

April

Average price

£144
Alaska Airlines
  • Alaska Airlines
  • 15/3-24/3
  • Nonstop
  • 4h 47m total
  • Portland to Las Vegas
Search Deals
Southwest
  • Southwest
  • 8/3
  • Nonstop
  • 2h 10m total
  • Portland to Las Vegas
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£17 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£4 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 7 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

Sun 5/4

05:50-08:00

Nonstop2h 10m

Las Vegas Harry Reid Intl

Thu 9/4

16:05-22:40

1 stop6h 35m

£167

PortlandLas Vegas

PDX - LAS

PDXLAS

Portland

Sun 15/3

16:46-19:06

Nonstop2h 20m

Las Vegas Harry Reid Intl

Sun 22/3

17:44-23:44

1 stop6h 00m

£167

PortlandLas Vegas

PDX - LAS

PDXLAS

Portland

Thu 26/3

17:40-23:12

1 stop5h 32m

Las Vegas Harry Reid Intl

Tue 31/3

16:05-20:59

1 stop4h 54m

£174

PortlandLas Vegas

PDX - LAS

PDXLAS

Portland

Sat 21/2

17:35-22:28

1 stop4h 53m

Las Vegas Harry Reid Intl

Wed 25/2

14:19-16:47

Nonstop2h 28m

£174

PortlandLas Vegas

PDX - LAS

PDXLAS

Portland

Sun 12/4

17:36-22:53

1 stop5h 17m

Las Vegas Harry Reid Intl

Sat 18/4

09:40-15:38

1 stop5h 58m

£174

PortlandLas Vegas

PDX - LAS

PDXLAS

Portland

Wed 4/3

17:35-22:28

1 stop4h 53m

Las Vegas Harry Reid Intl

Mon 9/3

18:58-23:57

1 stop4h 59m

£174

PortlandLas Vegas

PDX - LAS

PDXLAS

Portland

Mon 13/4

19:14-00:50

1 stop5h 36m

Las Vegas Harry Reid Intl

Tue 14/4

08:00-14:30

2 stops6h 30m

£178

PortlandLas Vegas

PDX - LAS

PDXLAS

Portland

Wed 29/4

05:30-09:57

1 stop4h 27m

Las Vegas Harry Reid Intl

Sat 2/5

08:00-14:57

2 stops6h 57m

£178

PortlandLas Vegas

PDX - LAS

PDXLAS

Portland

Sat 18/4

10:25-17:30

2 stops7h 05m

Las Vegas Harry Reid Intl

Thu 23/4

18:15-22:40

1 stop4h 25m

£178

PortlandLas Vegas

PDX - LAS

PDXLAS

Portland

Wed 6/5

07:00-19:14

2 stops12h 14m

Las Vegas Harry Reid Intl

Thu 7/5

06:00-12:52

1 stop6h 52m

£180

Flights are sorted by cheapest return flights first.

Deals found on 4/2

Showing 1-10 of 22 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 £76). 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 7 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.

How much does it cost for a return flight from Portland to Las Vegas?

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: Southwest (81%), Hawaiian Airlines (75%), Alaska Airlines (74%).

  • 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 £76). 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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