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Cheap flights from Portland to Las Vegas from £76

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 19/5. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — LAS
23 Apr — 30 Apr1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Portland to Las Vegas Harry Reid Intl are usually found in August or September, booked 25 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 24 March 2026.

Tue 21/405:30
PDX
-
LAS
Nonstop2h 10m
Southwest
Tue 28/420:50
LAS
-
PDX
Nonstop2h 20m
Southwest
Deal found 22/3£152
Wed 29/407:40
PDX
-
LAS
2 stops6h 20m
Southwest
Wed 6/520:50
LAS
-
PDX
Nonstop2h 20m
Southwest
Deal found 23/3£163
Tue 28/416:35
PDX
-
LAS
1 stop4h 24m
Delta
Tue 5/509:50
LAS
-
PDX
1 stop5h 48m
Delta
Deal found 24/3£165
Tue 19/506:30
PDX
-
LAS
1 stop5h 05m
Southwest
Tue 26/506:25
LAS
-
PDX
1 stop7h 25m
Southwest
Deal found 22/3£166
Sat 2/514:40
PDX
-
LAS
Nonstop2h 10m
Southwest
Tue 5/520:50
LAS
-
PDX
Nonstop2h 20m
Southwest
Deal found 23/3£168
Tue 21/417:35
PDX
-
LAS
1 stop5h 36m
United Airlines
Tue 28/410:39
LAS
-
PDX
2 stops7h 28m
United Airlines
Deal found 24/3£169
Tue 21/405:30
PDX
-
LAS
Nonstop2h 10m
Southwest
Fri 24/422:05
LAS
-
PDX
Nonstop2h 20m
Southwest
Deal found 23/3£172
Sat 25/414:40
PDX
-
LAS
Nonstop2h 10m
Southwest
Tue 28/418:10
LAS
-
PDX
1 stop4h 50m
Southwest
Deal found 23/3£175
Tue 14/412:45
PDX
-
LAS
2 stops5h 35m
Southwest
Thu 16/422:05
LAS
-
PDX
Nonstop2h 20m
Southwest
Deal found 22/3£179

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 24 March 2026.

Round-trip from

£152

One-way from

£76

Popular in

February

Cheapest in

August

Average price

£201
Southwest
  • Southwest
  • 21/4-28/4
  • Nonstop
  • 4h 30m total
  • Portland to Las Vegas
Search Deals
Southwest
  • Southwest
  • 19/5
  • Nonstop
  • 2h 10m total
  • Portland to Las Vegas
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£18 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 March 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 24 March 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
Fastest return journey

PortlandLas Vegas

PDX - LAS

PDXLAS

Portland

Fri 17/4

21:41-23:57

Nonstop2h 16m

Las Vegas Harry Reid Intl

Mon 20/4

21:06-23:33

Nonstop2h 27m

£192

PortlandLas Vegas

PDX - LAS

PDXLAS

Portland

Tue 12/5

05:30-12:12

2 stops6h 42m

Las Vegas Harry Reid Intl

Thu 14/5

19:50-00:59

1 stop5h 09m

£211

PortlandLas Vegas

PDX - LAS

PDXLAS

Portland

Mon 6/4

21:41-23:57

Nonstop2h 16m

Las Vegas Harry Reid Intl

Wed 8/4

11:36-16:30

1 stop4h 54m

£230

PortlandLas Vegas

PDX - LAS

PDXLAS

Portland

Wed 13/5

17:18-22:40

1 stop5h 22m

Las Vegas Harry Reid Intl

Sun 17/5

07:00-12:36

1 stop5h 36m

£238

PortlandLas Vegas

PDX - LAS

PDXLAS

Portland

Sun 5/4

05:30-11:30

2 stops6h 00m

Las Vegas Harry Reid Intl

Tue 7/4

11:20-18:30

1 stop7h 10m

£241

PortlandLas Vegas

PDX - LAS

PDXLAS

Portland

Thu 17/9

12:20-14:35

Nonstop2h 15m

Las Vegas Harry Reid Intl

Sun 20/9

05:00-10:30

1 stop5h 30m

£245

PortlandLas Vegas

PDX - LAS

PDXLAS

Portland

Sun 21/6

05:00-07:10

Nonstop2h 10m

Las Vegas Harry Reid Intl

Tue 23/6

16:30-22:10

2 stops5h 40m

£248

PortlandLas Vegas

PDX - LAS

PDXLAS

Portland

Sun 2/8

05:20-10:30

1 stop5h 10m

Las Vegas Harry Reid Intl

Thu 6/8

08:35-14:45

2 stops6h 10m

£256

PortlandLas Vegas

PDX - LAS

PDXLAS

Portland

Sun 3/5

05:10-10:40

2 stops5h 30m

Las Vegas Harry Reid Intl

Sun 10/5

19:15-01:25

1 stop6h 10m

£256

PortlandLas Vegas

PDX - LAS

PDXLAS

Portland

Thu 13/8

05:15-11:25

2 stops6h 10m

Las Vegas Harry Reid Intl

Sun 16/8

05:35-11:20

1 stop5h 45m

£256

Flights are sorted by cheapest return flights first.

Deals found on 19/3

Showing 1-10 of 23 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?

Use this chart to determine the optimal time to book a return flight from Portland to Las Vegas. Price data was last updated on 13 March 2026.

The best time to book flights from Portland to Las Vegas is 25 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 £37). Flying from Portland to Las Vegas in December is currently the most expensive (average of £77). 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 March 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 16m. 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 (90%), Hawaiian Airlines (89%), Frontier (82%).

  • 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 £37). Flying from Portland to Las Vegas in December is currently the most expensive (average of £77). 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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