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Cheap flights from Portland to Las Vegas from £86

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 26/8. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — LAS
28 Jul — 4 Aug1
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 28 June 2026.

Sat 3/1010:30
PDX
-
LAS
1 stop7h 58m
Alaska Airlines
Sat 3/1020:34
LAS
-
PDX
Nonstop2h 23m
Alaska Airlines
Deal found 25/6£170
Sat 19/914:51
PDX
-
LAS
Nonstop2h 25m
Alaska Airlines
Tue 22/914:31
LAS
-
PDX
Nonstop2h 21m
Alaska Airlines
Deal found 28/6£172
Wed 23/905:50
PDX
-
LAS
Nonstop2h 15m
Southwest
Sat 26/911:30
LAS
-
PDX
1 stop4h 50m
Southwest
Deal found 28/6£179
Sat 15/810:49
PDX
-
LAS
Nonstop2h 26m
Alaska Airlines
Tue 25/810:23
LAS
-
PDX
1 stop8h 14m
Alaska Airlines
Deal found 28/6£181
Sat 22/813:35
PDX
-
LAS
1 stop9h 20m
Southwest
Tue 25/815:30
LAS
-
PDX
Nonstop2h 20m
Southwest
Deal found 26/6£184
Wed 19/807:55
PDX
-
LAS
1 stop6h 16m
Alaska Airlines
Wed 19/817:28
LAS
-
PDX
1 stop5h 27m
Alaska Airlines
Deal found 25/6£186
Thu 13/805:30
PDX
-
LAS
1 stop6h 50m
Delta
Mon 17/819:16
LAS
-
PDX
1 stop4h 40m
Delta
Deal found 28/6£187
Wed 12/810:42
PDX
-
LAS
1 stop6h 49m
Alaska Airlines
Sat 15/811:00
LAS
-
PDX
Nonstop2h 20m
Alaska Airlines
Deal found 27/6£188
Tue 15/909:13
PDX
-
LAS
1 stop4h 58m
Alaska Airlines
Wed 30/908:45
LAS
-
PDX
1 stop9h 52m
Alaska Airlines
Deal found 23/6£190
Tue 25/811:27
PDX
-
LAS
Nonstop2h 22m
Alaska Airlines
Sun 30/808:02
LAS
-
PDX
Nonstop2h 22m
Alaska Airlines
Deal found 27/6£191

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 28 June 2026.

Round-trip from

£170

One-way from

£86

Popular in

May

Cheapest in

September

Average price

£245
Alaska Airlines
  • Alaska Airlines
  • 3/10-3/10
  • 1 total stop
  • 10h 21m total
  • Portland to Las Vegas
Search Deals
Alaska Airlines
  • Alaska Airlines
  • 26/8
  • Nonstop
  • 2h 31m total
  • Portland to Las Vegas
Search Deals
Highest demand for flights based on searches. 18% potential increase in price (£35 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£5 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 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 28 June 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 - LAS

PDXLAS

Portland

Sat 1/8

17:54-23:10

1 stop5h 16m

Las Vegas Harry Reid Intl

Thu 6/8

11:00-17:14

1 stop6h 14m

£187

PortlandLas Vegas

PDX - LAS

PDXLAS

Portland

Sat 22/8

10:50-16:20

1 stop5h 30m

Las Vegas Harry Reid Intl

Mon 24/8

19:51-23:39

1 stop3h 48m

£187

PortlandLas Vegas

PDX - LAS

PDXLAS

Portland

Wed 23/9

05:30-11:41

1 stop6h 11m

Las Vegas Harry Reid Intl

Sat 26/9

13:22-20:47

1 stop7h 25m

£187

PortlandLas Vegas

PDX - LAS

PDXLAS

Portland

Tue 8/9

07:55-18:27

1 stop10h 32m

Las Vegas Harry Reid Intl

Tue 15/9

08:45-13:50

1 stop5h 05m

£190
Fastest return journey

PortlandLas Vegas

PDX - LAS

PDXLAS

Portland

Wed 29/7

14:46-17:06

Nonstop2h 20m

Las Vegas Harry Reid Intl

Tue 4/8

11:00-13:20

Nonstop2h 20m

£198

PortlandLas Vegas

PDX - LAS

PDXLAS

Portland

Wed 30/9

10:55-16:26

1 stop5h 31m

Las Vegas Harry Reid Intl

Fri 2/10

10:59-17:09

1 stop6h 10m

£206

PortlandLas Vegas

PDX - LAS

PDXLAS

Portland

Mon 7/9

06:20-10:47

1 stop4h 27m

Las Vegas Harry Reid Intl

Wed 9/9

14:51-22:45

1 stop7h 54m

£225

PortlandLas Vegas

PDX - LAS

PDXLAS

Portland

Thu 17/9

17:35-22:47

1 stop5h 12m

Las Vegas Harry Reid Intl

Mon 21/9

19:49-23:40

1 stop3h 51m

£225

PortlandLas Vegas

PDX - LAS

PDXLAS

Portland

Thu 22/10

19:14-00:31

1 stop5h 17m

Las Vegas Harry Reid Intl

Sun 25/10

06:00-10:38

1 stop4h 38m

£225

PortlandLas Vegas

PDX - LAS

PDXLAS

Portland

Tue 28/7

07:00-14:34

2 stops7h 34m

Las Vegas Harry Reid Intl

Mon 31/8

06:00-10:11

1 stop4h 11m

£236

Flights are sorted by cheapest return flights first.

Deals found on 27/6

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?

The best time to book flights from Portland to Las Vegas is 88 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, September is the cheapest month in which you can book a flight from Portland to Las Vegas (average of £148). Flying from Portland to Las Vegas in May is currently the most expensive (average of £259). 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 28 June 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 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 5h 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: Condor (93%), Frontier (91%), Alaska Airlines (84%).

  • 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, September is the cheapest month in which you can book a flight from Portland to Las Vegas (average of £148). Flying from Portland to Las Vegas in May is currently the most expensive (average of £259). 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.

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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