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Cheap flights from Portland to Las Vegas from £84

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 7/9. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — LAS
9 Sep — 16 Sep1
1 adult
1 adult, Economy, 0 bags

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 10 August 2026.

Fri 11/919:00 -
Nonstop2h 20m
Tue 15/919:40 -
Nonstop2h 20m
Deal found 10/8£155
Wed 2/905:50 -
Nonstop2h 15m
Sat 5/914:20 -
2 stops7h 05m
Deal found 10/8£166
Wed 30/913:03 -
1 stop5h 28m
Mon 5/1017:07 -
1 stop5h 50m
Deal found 10/8£167
Mon 7/907:50 -
Nonstop2h 21m
Wed 9/911:07 -
Nonstop2h 21m
Deal found 10/8£168
Fri 30/1009:03 -
Nonstop2h 18m
Tue 3/1118:10 -
Nonstop2h 25m
Deal found 10/8£170
Sun 6/919:45 -
Nonstop2h 15m
Fri 11/920:50 -
Nonstop2h 20m
Deal found 6/8£171
Tue 8/905:50 -
Nonstop2h 15m
Tue 15/911:35 -
1 stop3h 50m
Deal found 9/8£172
Wed 2/914:51 -
Nonstop2h 25m
Sat 5/908:45 -
1 stop8h 08m
Deal found 10/8£174
Wed 9/911:15 -
2 stops6h 44m
Wed 16/918:05 -
1 stop4h 40m
Deal found 10/8£175
Mon 7/906:25 -
Nonstop2h 15m
Thu 10/918:20 -
1 stop3h 55m
Deal found 10/8£176

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 10 August 2026.

Round-trip from

£155

One-way from

£84

Popular in

May

Cheapest in

January

Average price

£196
Southwest
  • Southwest
  • 11/9-15/9
  • Nonstop
  • 4h 40m total
  • Portland to Las Vegas
Search Deals
Alaska Airlines
  • Alaska Airlines
  • 7/9
  • Nonstop
  • 2h 21m total
  • Portland to Las Vegas
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (£23 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£3 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 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 10 August 2026.
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

Cheapest return flight

PortlandLas Vegas

PDX Portland - LAS Las Vegas Harry Reid Intl

PDXLAS

Portland

Wed 2/9

16:50-21:20

1 stop4h 30m

Las Vegas Harry Reid Intl

Sat 5/9

14:20-21:25

2 stops7h 05m

£173

PortlandLas Vegas

PDX Portland - LAS Las Vegas Harry Reid Intl

PDXLAS

Portland

Thu 27/8

17:08-23:55

1 stop6h 47m

Las Vegas Harry Reid Intl

Mon 31/8

06:35-12:24

1 stop5h 49m

£205

PortlandLas Vegas

PDX Portland - LAS Las Vegas Harry Reid Intl

PDXLAS

Portland

Mon 19/10

05:30-09:25

1 stop3h 55m

Las Vegas Harry Reid Intl

Tue 20/10

15:10-21:20

2 stops6h 10m

£206

PortlandLas Vegas

PDX Portland - LAS Las Vegas Harry Reid Intl

PDXLAS

Portland

Tue 1/9

07:00-14:10

2 stops7h 10m

Las Vegas Harry Reid Intl

Thu 3/9

06:00-10:11

1 stop4h 11m

£209

PortlandLas Vegas

PDX Portland - LAS Las Vegas Harry Reid Intl

PDXLAS

Portland

Wed 30/9

13:03-18:31

1 stop5h 28m

Las Vegas Harry Reid Intl

Fri 2/10

19:37-00:34

1 stop4h 57m

£209

PortlandLas Vegas

PDX Portland - LAS Las Vegas Harry Reid Intl

PDXLAS

Portland

Thu 27/8

05:15-11:25

2 stops6h 10m

Las Vegas Harry Reid Intl

Sat 29/8

11:10-17:40

2 stops6h 30m

£213

PortlandLas Vegas

PDX Portland - LAS Las Vegas Harry Reid Intl

PDXLAS

Portland

Sun 27/9

09:00-16:03

1 stop7h 03m

Las Vegas Harry Reid Intl

Thu 1/10

05:45-10:15

1 stop4h 30m

£213
Fastest return journey

PortlandLas Vegas

PDX Portland - LAS Las Vegas Harry Reid Intl

PDXLAS

Portland

Tue 20/10

14:51-17:11

Nonstop2h 20m

Las Vegas Harry Reid Intl

Sat 24/10

12:17-16:44

1 stop4h 27m

£218

PortlandLas Vegas

PDX Portland - LAS Las Vegas Harry Reid Intl

PDXLAS

Portland

Fri 30/10

09:31-15:00

1 stop5h 29m

Las Vegas Harry Reid Intl

Sun 1/11

06:00-12:09

1 stop6h 09m

£233

PortlandLas Vegas

PDX Portland - LAS Las Vegas Harry Reid Intl

PDXLAS

Portland

Sat 12/9

11:20-17:40

2 stops6h 20m

Las Vegas Harry Reid Intl

Mon 14/9

17:20-23:20

1 stop6h 00m

£239

Flights are sorted by cheapest return flights first.

Deals found on 7/8

Showing 1-10 of 24 resultsSorted by cheapest first
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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?

The best time to book flights from Portland to Las Vegas is 78 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 £176). Flying from Portland to Las Vegas in May is currently the most expensive (average of £253). 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 10 August 2026.

It’s typically best to fly out from Portland to Las Vegas in the evening. Doing so could potentially save you 57% on the flight price compared to flying in the morning, which is usually more expensive.

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

Airfare is typical for this route at the moment.

Portland to Las Vegas flights typically cost between £154 and £248 in September.
The cheapest return price found within the last 5 days was £155 on Southwest (11 Sept–15 Sept).

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 30m. 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: Alaska Airlines (88%), Condor (82%), Southwest (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, January is the cheapest month in which you can book a flight from Portland to Las Vegas (average of £176). Flying from Portland to Las Vegas in May is currently the most expensive (average of £253). 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

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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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