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Cheap flights from Portland to Las Vegas from £56

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 16/12. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — LAS
17 Oct — 24 Oct1
1 adult
1 adult, Economy

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

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 17 September 2025.

Round-trip from

£111

One-way from

£56

Popular in

March

Cheapest in

February

Average price

£130

Good one-way deal

£131 or less
Alaska Airlines
  • Alaska Airlines
  • 7/1-7/1
  • Nonstop
  • 4h 37m total
  • Portland to Las Vegas
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Hawaiian Airlines
  • Hawaiian Airlines
  • 21/1
  • Nonstop
  • 2h 12m total
  • Portland to Las Vegas
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High demand for flights, 3% potential price rise
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Cheapest flight prices on average. 2% potential price decrease (£2 potential savings vs. average return price).
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Average for round-trip flights in September 2025
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Price to beat on a one-way flight from Portland to Las Vegas Harry Reid Intl.
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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 17 September 2025.

Tue 28/1007:00PDX - LAS
Nonstop2h 14mAlaska Airlines
Thu 30/1020:59LAS - PDX
Nonstop2h 25mAlaska Airlines
Deal found 15/9£115
Wed 15/1007:00PDX - LAS
Nonstop2h 17mAlaska Airlines
Sat 18/1007:00LAS - PDX
1 stop9h 54mAlaska Airlines
Deal found 16/9£117
Tue 28/1010:40PDX - LAS
1 stop5h 29mAlaska Airlines
Tue 28/1018:10LAS - PDX
Nonstop2h 28mAlaska Airlines
Deal found 15/9£118
Sat 1/1107:00PDX - LAS
1 stop15h 14mAlaska Airlines
Tue 4/1112:12LAS - PDX
1 stop4h 38mAlaska Airlines
Deal found 16/9£120
Tue 28/1010:40PDX - LAS
1 stop5h 29mAlaska Airlines
Fri 31/1018:10LAS - PDX
Nonstop2h 28mAlaska Airlines
Deal found 15/9£122
Sat 15/1117:41PDX - LAS
1 stop4h 33mHawaiian Airlines
Tue 18/1110:18LAS - PDX
1 stop6h 32mHawaiian Airlines
Deal found 16/9£124
Sat 1/1107:00PDX - LAS
1 stop15h 14mAlaska Airlines
Wed 5/1107:00LAS - PDX
Nonstop2h 31mAlaska Airlines
Deal found 15/9£125
Wed 29/1011:40PDX - LAS
2 stops5h 15mSouthwest
Tue 4/1119:35LAS - PDX
Nonstop2h 25mSouthwest
Deal found 14/9£126
Mon 17/1108:00PDX - LAS
1 stop5h 45mSouthwest
Thu 20/1116:55LAS - PDX
1 stop4h 30mSouthwest
Deal found 15/9£129
Sat 18/1017:55PDX - LAS
Nonstop2h 19mHawaiian Airlines
Thu 23/1007:15LAS - PDX
Nonstop2h 26mHawaiian Airlines
Deal found 15/9£130
Sat 1/1107:00PDX - LAS
1 stop15h 14mAlaska Airlines
Thu 6/1110:18LAS - PDX
1 stop6h 32mAlaska Airlines
Deal found 16/9£131
Wed 29/1011:40PDX - LAS
2 stops7h 10mSouthwest
Fri 31/1012:15LAS - PDX
1 stop6h 30mSouthwest
Deal found 15/9£133

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 17 September 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 7/10

16:04-18:25

Nonstop2h 21m

Las Vegas Harry Reid Intl

Thu 16/10

07:15-09:41

Nonstop2h 26m

£115

PortlandLas Vegas

PDX - LAS

PDXLAS

Portland

Mon 19/1

17:45-19:57

Nonstop2h 12m

Las Vegas Harry Reid Intl

Fri 23/1

20:55-23:20

Nonstop2h 25m

£115

PortlandLas Vegas

PDX - LAS

PDXLAS

Portland

Sun 16/11

16:19-18:36

Nonstop2h 17m

Las Vegas Harry Reid Intl

Tue 18/11

18:10-20:38

Nonstop2h 28m

£115

PortlandLas Vegas

PDX - LAS

PDXLAS

Portland

Tue 14/10

07:00-09:17

Nonstop2h 17m

Las Vegas Harry Reid Intl

Tue 21/10

07:15-09:41

Nonstop2h 26m

£115

PortlandLas Vegas

PDX - LAS

PDXLAS

Portland

Tue 24/2

10:55-13:08

Nonstop2h 13m

Las Vegas Harry Reid Intl

Fri 27/2

11:15-13:40

Nonstop2h 25m

£115

PortlandLas Vegas

PDX - LAS

PDXLAS

Portland

Mon 17/11

07:00-09:14

Nonstop2h 14m

Las Vegas Harry Reid Intl

Thu 20/11

07:00-09:31

Nonstop2h 31m

£115

PortlandLas Vegas

PDX - LAS

PDXLAS

Portland

Sun 2/11

17:51-20:21

Nonstop2h 30m

Las Vegas Harry Reid Intl

Tue 4/11

15:41-20:50

1 stop5h 09m

£117

PortlandLas Vegas

PDX - LAS

PDXLAS

Portland

Wed 15/10

07:00-09:17

Nonstop2h 17m

Las Vegas Harry Reid Intl

Wed 22/10

07:00-09:47

1 stop26h 47m

£117

PortlandLas Vegas

PDX - LAS

PDXLAS

Portland

Sat 1/11

07:00-22:14

1 stop15h 14m

Las Vegas Harry Reid Intl

Tue 4/11

07:00-09:31

Nonstop2h 31m

£117

PortlandLas Vegas

PDX - LAS

PDXLAS

Portland

Wed 15/10

07:00-09:17

Nonstop2h 17m

Las Vegas Harry Reid Intl

Sat 18/10

07:00-16:54

1 stop9h 54m

£117

Flights are sorted by cheapest return flights first.

Deals found on 16/9

Showing 1-10 of 19 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 12 September 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 17 September 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.

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 2h 17m. Portland and Las Vegas are separated by a distance of 762 mi. Generally, flights for this route are direct.

  • What are the cheapest airlines to fly from Portland to Las Vegas one-way?

    The cheapest airline one-way is Southwest, with whom users have recently found tickets for as low as £58. However, be on the lookout for offers from Alaska Airlines and Hawaiian Airlines, as they are both options that can get you from Portland to Las Vegas for a low price.

  • 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 (89%), Hawaiian Airlines (81%), Alaska Airlines (79%).

  • What are the cheapest flights from Portland to Las Vegas?

    On average you can expect to pay £571 for a flight from Portland to Las Vegas. The cheapest flight overall is £88 while the most popular route, (Portland - Las Vegas Harry Reid Intl) is currently priced at £176.

  • 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

Travelling to a place near Las Vegas?

Book flights to Las Vegas if you plan to visit one of these locations
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