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Cheap flights from Portland to Las Vegas from £40

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 20/1. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — LAS
23 Nov — 30 Nov1
1 adult
1 adult, Economy, 0 bags

Find 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 24 October 2025.

Tue 16/1205:30PDX - LAS
1 stop6h 05mSouthwest
Tue 16/1215:35LAS - PDX
1 stop6h 55mSouthwest
Deal found 22/10£94
Mon 15/1205:30PDX - LAS
1 stop6h 05mSouthwest
Wed 17/1215:35LAS - PDX
1 stop6h 55mSouthwest
Deal found 22/10£99
Wed 3/1210:45PDX - LAS
1 stop5h 28mDelta
Wed 10/1213:40LAS - PDX
1 stop5h 19mDelta
Deal found 23/10£103
Tue 9/1206:40PDX - LAS
2 stops5h 30mSouthwest
Fri 12/1221:55LAS - PDX
Nonstop2h 25mSouthwest
Deal found 22/10£105
Sun 7/1210:29PDX - LAS
Nonstop2h 16mMultiple Airlines
Sun 14/1207:00LAS - PDX
1 stop6h 50mMultiple Airlines
Deal found 23/10£108
Sat 13/1205:30PDX - LAS
1 stop7h 24mDelta
Mon 15/1219:25LAS - PDX
1 stop4h 39mDelta
Deal found 22/10£109
Sun 21/1215:05PDX - LAS
1 stop5h 10mSouthwest
Wed 24/1216:25LAS - PDX
1 stop6h 05mSouthwest
Deal found 22/10£113
Tue 9/1205:00PDX - LAS
Nonstop2h 10mSouthwest
Sat 13/1214:50LAS - PDX
1 stop5h 45mSouthwest
Deal found 22/10£114
Mon 15/1205:30PDX - LAS
1 stop7h 05mDelta
Mon 22/1217:30LAS - PDX
1 stop4h 54mDelta
Deal found 23/10£115

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 24 October 2025.

Round-trip from

£94

One-way from

£40

Popular in

March

Cheapest in

February

Average price

£150
Southwest
  • Southwest
  • 16/12-16/12
  • 2 total stops
  • 13h 00m total
  • Portland to Las Vegas
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Southwest
  • Southwest
  • 21/1
  • Nonstop
  • 2h 10m total
  • Portland to Las Vegas
Search Deals
High demand for flights, 6% potential price rise
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Cheapest flight prices on average. 1% potential price decrease (£2 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 2025
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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 24 October 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

Tue 9/12

06:40-12:10

2 stops5h 30m

Las Vegas Harry Reid Intl

Fri 12/12

21:55-00:20

Nonstop2h 25m

£105

PortlandLas Vegas

PDX - LAS

PDXLAS

Portland

Thu 22/1

16:20-22:00

1 stop5h 40m

Las Vegas Harry Reid Intl

Mon 26/1

19:40-22:05

Nonstop2h 25m

£107

PortlandLas Vegas

PDX - LAS

PDXLAS

Portland

Sat 7/2

05:30-09:55

1 stop4h 25m

Las Vegas Harry Reid Intl

Mon 9/2

13:05-19:29

1 stop6h 24m

£109

PortlandLas Vegas

PDX - LAS

PDXLAS

Portland

Mon 24/11

17:17-23:19

1 stop6h 02m

Las Vegas Harry Reid Intl

Thu 4/12

06:00-10:55

1 stop4h 55m

£124

PortlandLas Vegas

PDX - LAS

PDXLAS

Portland

Sat 22/11

21:42-23:58

Nonstop2h 16m

Las Vegas Harry Reid Intl

Thu 4/12

11:00-13:30

Nonstop2h 30m

£125

PortlandLas Vegas

PDX - LAS

PDXLAS

Portland

Fri 28/11

21:42-23:58

Nonstop2h 16m

Las Vegas Harry Reid Intl

Thu 4/12

11:00-13:30

Nonstop2h 30m

£125

PortlandLas Vegas

PDX - LAS

PDXLAS

Portland

Sun 16/11

21:38-23:59

Nonstop2h 21m

Las Vegas Harry Reid Intl

Tue 18/11

07:00-13:23

1 stop6h 23m

£125

PortlandLas Vegas

PDX - LAS

PDXLAS

Portland

Mon 19/1

09:25-11:35

Nonstop2h 10m

Las Vegas Harry Reid Intl

Sun 25/1

07:45-15:05

1 stop7h 20m

£127

PortlandLas Vegas

PDX - LAS

PDXLAS

Portland

Mon 17/11

06:40-12:10

2 stops5h 30m

Las Vegas Harry Reid Intl

Fri 21/11

21:55-00:20

Nonstop2h 25m

£129

PortlandLas Vegas

PDX - LAS

PDXLAS

Portland

Tue 24/2

12:30-18:05

2 stops5h 35m

Las Vegas Harry Reid Intl

Fri 27/2

18:50-00:15

1 stop5h 25m

£130

Flights are sorted by cheapest return flights first.

Deals found on 22/10

Showing 1-10 of 20 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 17 October 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, February 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 July is currently the most expensive (average of £70). 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 24 October 2025.

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 2 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 4h 25m. Portland and Las Vegas are separated by a distance of 762 mi. Both multi-stop and direct flights can be found to your destination and back.

  • 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 (87%), Alaska Airlines (80%), Condor (78%).

  • 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, February 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 July is currently the most expensive (average of £70). 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
Kingman
Henderson
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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.

Can Cheapflights notify me if prices for flights from Portland to Las Vegas become cheaper?

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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