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Cheap flights from Portland to Las Vegas from £45

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 8/10. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — LAS
19 Aug — 26 Aug1
1 adult

Cheapflights Tip: The best prices from Portland to Las Vegas Harry Reid Intl are usually found in October or September, booked 30 days in advance, depart on a Monday or Tuesday and return on a Tuesday

Cheap 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 14 August 2025.

Round-trip from

£85

One-way from

£45

Popular in

March

Cheapest in

October

Average price

£118
Alaska Airlines
  • Alaska Airlines
  • 17/9-17/9
  • Nonstop
  • 4h 49m total
  • Portland to Las Vegas
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Hawaiian Airlines
  • Hawaiian Airlines
  • 8/10
  • Nonstop
  • 2h 19m total
  • Portland to Las Vegas
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Highest demand for flights based on searches. 1% potential increase in price (£1 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease (£3 potential savings vs. average return price).
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Average for round-trip flights in August 2025
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Find flight deals from Portland to Las Vegas

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 14 August 2025.

Wed 17/907:00PDX - LAS
Nonstop2h 26mAlaska Airlines
Wed 17/911:26LAS - PDX
Nonstop2h 23mAlaska Airlines
Deal found 14/8£85
Tue 9/917:37PDX - LAS
Nonstop2h 26mHawaiian Airlines
Tue 16/907:00LAS - PDX
Nonstop2h 22mHawaiian Airlines
Deal found 13/8£89
Sat 6/1221:40PDX - LAS
Nonstop2h 13mHawaiian Airlines
Wed 17/1211:15LAS - PDX
Nonstop2h 25mHawaiian Airlines
Deal found 12/8£96
Tue 30/911:45PDX - LAS
Nonstop2h 10mSouthwest
Tue 7/1012:00LAS - PDX
1 stop5h 00mSouthwest
Deal found 12/8£97
Sat 27/914:30PDX - LAS
1 stop6h 27mHawaiian Airlines
Tue 30/914:06LAS - PDX
Nonstop2h 25mHawaiian Airlines
Deal found 13/8£97
Wed 24/908:40PDX - LAS
2 stops5h 30mSouthwest
Tue 30/916:10LAS - PDX
Nonstop2h 20mSouthwest
Deal found 13/8£100
Mon 24/1121:42PDX - LAS
Nonstop2h 16mAlaska Airlines
Thu 27/1107:24LAS - PDX
Nonstop2h 26mAlaska Airlines
Deal found 13/8£103
Wed 3/910:55PDX - LAS
1 stop6h 15mSouthwest
Mon 8/907:40LAS - PDX
Nonstop2h 15mSouthwest
Deal found 13/8£103
Tue 16/919:10PDX - LAS
1 stop4h 19mDelta
Wed 17/917:37LAS - PDX
1 stop5h 02mDelta
Deal found 14/8£104
Sun 23/1121:42PDX - LAS
Nonstop2h 16mAlaska Airlines
Tue 25/1107:24LAS - PDX
Nonstop2h 26mAlaska Airlines
Deal found 13/8£109

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 14 August 2025.
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

Wed 17/9

07:00-09:26

Nonstop2h 26m

Las Vegas Harry Reid Intl

Wed 17/9

11:26-13:49

Nonstop2h 23m

£85

PortlandLas Vegas

PDX - LAS

PDXLAS

Portland

Tue 9/9

17:37-20:03

Nonstop2h 26m

Las Vegas Harry Reid Intl

Tue 16/9

07:00-09:22

Nonstop2h 22m

£89

PortlandLas Vegas

PDX - LAS

PDXLAS

Portland

Sat 20/9

17:37-20:03

Nonstop2h 26m

Las Vegas Harry Reid Intl

Tue 23/9

14:06-16:31

Nonstop2h 25m

£96

PortlandLas Vegas

PDX - LAS

PDXLAS

Portland

Tue 7/10

17:55-20:14

Nonstop2h 19m

Las Vegas Harry Reid Intl

Thu 16/10

11:03-13:27

Nonstop2h 24m

£96

PortlandLas Vegas

PDX - LAS

PDXLAS

Portland

Mon 22/9

21:40-23:59

Nonstop2h 19m

Las Vegas Harry Reid Intl

Tue 30/9

18:05-20:31

Nonstop2h 26m

£96

PortlandLas Vegas

PDX - LAS

PDXLAS

Portland

Sun 21/9

21:40-23:59

Nonstop2h 19m

Las Vegas Harry Reid Intl

Tue 23/9

11:26-13:49

Nonstop2h 23m

£96

PortlandLas Vegas

PDX - LAS

PDXLAS

Portland

Tue 28/10

07:00-09:14

Nonstop2h 14m

Las Vegas Harry Reid Intl

Thu 6/11

07:00-09:31

Nonstop2h 31m

£96

PortlandLas Vegas

PDX - LAS

PDXLAS

Portland

Wed 5/11

11:30-17:50

1 stop6h 20m

Las Vegas Harry Reid Intl

Wed 12/11

15:25-17:50

Nonstop2h 25m

£97

PortlandLas Vegas

PDX - LAS

PDXLAS

Portland

Tue 30/9

11:45-13:55

Nonstop2h 10m

Las Vegas Harry Reid Intl

Tue 7/10

12:00-17:00

1 stop5h 00m

£97

PortlandLas Vegas

PDX - LAS

PDXLAS

Portland

Tue 30/9

07:00-09:20

Nonstop2h 20m

Las Vegas Harry Reid Intl

Tue 14/10

17:05-23:45

1 stop6h 40m

£97

Flights are sorted by cheapest return flights first.

Deals found on 12/8

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 8 August 2025.

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, January is the cheapest month in which you can book a flight from Portland to Las Vegas (average of £689). Flying from Portland to Las Vegas in July is currently the most expensive (average of £1,020). 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 14 August 2025.

It’s typically best to fly out from Portland to Las Vegas in the morning. Doing so could potentially save you 35% on the flight price compared to flying at midday, which is usually more expensive.

Weekly flight availability from Portland to Las Vegas

Explore weekly flight availability from Portland to Las Vegas. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 14 August 2025.

The most flights from PDX to LAS are scheduled on a Thursday (14 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (4 on average).

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 2 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • What are the cheapest airlines flying from Portland to Las Vegas round-trip?

    Cheapflights users have booked flights from Portland to Las Vegas round-trip from £85. Another airline that can offer you cheap pricing is Hawaiian Airlines. You may be able to fly from Portland to Las Vegas for 33% less than the average price by searching for these airlines.

  • 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: Spirit Airlines (86%), Alaska Airlines (84%), Hawaiian Airlines (83%).

  • 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, January is the cheapest month in which you can book a flight from Portland to Las Vegas (average of £689). Flying from Portland to Las Vegas in July is currently the most expensive (average of £1,020). 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

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