Las Vegas

$155+ Cheap flights from Portland, ME to Las Vegas (PWM - LAS)

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 4/13. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — LAS
Mar 30 — Apr 61
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Find cheap flights from Portland to Las Vegas with Cheapflights

1. Tell us where you want to go
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Cheapflights Tip: The best prices from Portland to Las Vegas Harry Reid Intl are usually found in September or January, booked 88 days in advance, depart on a Tuesday or Wednesday and return on a Wednesday

Cheap flight deals from Portland to Las Vegas

Discover tips and strategies to find the most affordable flight options for your journey from Portland (PWM) 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 March 25, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$356
(United Airlines)

One-way from

$155
(Frontier)

Popular in

May

Cheapest in

September

Average price

$487
Provider with most accurate pricing for Portland-Las Vegas Harry Reid Intl flight deals.
Provider most trusted by Cheapflights users for Portland-Las Vegas Harry Reid Intl flights.
From Portland to Las Vegas Harry Reid Intl
One-way flight from Portland to Las Vegas Harry Reid Intl
Highest demand for flights based on searches. 8% potential increase in price ($47 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
Average for round-trip flights in March 2025

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 March 25, 2025.

This Delta deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/217:00 amPWM - LAS
1 stop8h 20mDelta
Mon 4/287:55 pmLAS - PWM
2 stops13h 12mDelta
Deal found 3/24$356
This CheapOair deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/99:30 pmPWM - LAS
1 stop28h 10mFrontier
Sun 5/1111:51 pmLAS - PWM
1 stop17h 49mFrontier
Deal found 3/24$360
This Southwest deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/84:40 pmPWM - LAS
1 stop10h 05mSouthwest
Sun 5/1110:25 pmLAS - PWM
1 stop9h 40mSouthwest
Deal found 3/24$385
This American Airlines deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/165:38 amPWM - LAS
2 stops11h 14mAmerican Airlines
Mon 4/2111:53 pmLAS - PWM
2 stops8h 45mAmerican Airlines
Deal found 3/25$395
This JetBlue Airways deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/22:15 pmPWM - LAS
1 stop10h 07mJetBlue
Mon 10/611:50 pmLAS - PWM
1 stop10h 26mJetBlue
Deal found 3/24$417
This Sun Country Air deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/1712:32 pmPWM - LAS
1 stop13h 10mSun Country Air
Sun 7/2011:59 pmLAS - PWM
1 stop8h 36mSun Country Air
Deal found 3/25$435
This United Airlines deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/266:10 amPWM - LAS
1 stop8h 18mUnited Airlines
Fri 5/301:35 pmLAS - PWM
1 stop7h 22mUnited Airlines
Deal found 3/24$454
This FlightHub deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/28:12 pmPWM - LAS
2 stops18h 24mMultiple Airlines
Fri 4/411:49 pmLAS - PWM
1 stop30h 23mMultiple Airlines
Deal found 3/23$620

Cheapflights Fare Finder

Customize 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 2,558,603 searches. Data last updated March 25, 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

PWM - LAS

PWMLAS

Portland

Wed 4/16

7:00 am-2:23 pm

1 stop10h 23m

Las Vegas Harry Reid Intl

Wed 4/23

10:15 am-11:15 pm

2 stops10h 00m

$356

PortlandLas Vegas

PWM - LAS

PWMLAS

Portland

Fri 5/9

9:30 pm-10:40 pm

1 stop28h 10m

Las Vegas Harry Reid Intl

Sun 5/11

11:51 pm-8:40 pm

1 stop17h 49m

$360

PortlandLas Vegas

PWM - LAS

PWMLAS

Portland

Tue 4/22

2:33 pm-9:42 pm

2 stops10h 09m

Las Vegas Harry Reid Intl

Tue 4/29

11:44 pm-11:38 am

2 stops8h 54m

$361

PortlandLas Vegas

PWM - LAS

PWMLAS

Portland

Thu 5/8

4:40 pm-11:45 pm

1 stop10h 05m

Las Vegas Harry Reid Intl

Sun 5/11

10:25 pm-11:05 am

1 stop9h 40m

$385

PortlandLas Vegas

PWM - LAS

PWMLAS

Portland

Thu 7/17

12:32 pm-10:42 pm

1 stop13h 10m

Las Vegas Harry Reid Intl

Sun 7/20

11:59 pm-11:35 am

1 stop8h 36m

$435

PortlandLas Vegas

PWM - LAS

PWMLAS

Portland

Wed 4/16

9:30 am-5:14 pm

2 stops10h 44m

Las Vegas Harry Reid Intl

Thu 4/24

10:38 am-11:27 pm

2 stops9h 49m

$443

PortlandLas Vegas

PWM - LAS

PWMLAS

Portland

Thu 8/28

2:20 pm-10:49 pm

1 stop11h 29m

Las Vegas Harry Reid Intl

Sun 9/7

11:50 pm-1:16 pm

1 stop10h 26m

$480

PortlandLas Vegas

PWM - LAS

PWMLAS

Portland

Fri 5/16

11:48 am-8:37 am

2 stops23h 49m

Las Vegas Harry Reid Intl

Mon 5/19

5:15 am-1:01 pm

3 stops28h 46m

$703

PortlandLas Vegas

PWM - LAS

PWMLAS

Portland

Sun 4/13

10:08 am-10:43 pm

1 stop15h 35m

$155

PortlandLas Vegas

PWM - LAS

PWMLAS

Portland

Tue 4/8

5:35 pm-12:57 am

1 stop10h 22m

$166

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/23

Showing 1-10 of 16 results
1
2

Compare providers for flights from Portland to Las Vegas

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Portland to Las Vegas in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
MytripPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Portland, Maine-Las Vegas flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Portland, Maine-Las Vegas flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Portland, Maine-Las Vegas flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Portland, Maine-Las Vegas flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Portland, Maine-Las Vegas flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 round-trip 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, Maine to Las Vegas?

Use this chart to determine the optimal time to book a round-trip flight from Portland to Las Vegas. Price data was last updated on March 21, 2025.

To ensure you get the cheapest price possible for a flight from Portland, Maine to Las Vegas, you should look to book at least 88 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Portland, Maine to Las Vegas?

Currently, August is the cheapest month in which you can book a flight from Portland, Maine to Las Vegas (average of $198). Flying from Portland, Maine to Las Vegas in March is currently the most expensive (average of $269). 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 PWM 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 March 25, 2025.

When flying from Portland, Maine to Las Vegas, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 47% versus a flight at noon.

Rainfall in Las Vegas by month

Plan your trip to Las Vegas by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Las Vegas ranges from 0.1 - 0.8 inches per month. February is typically the wettest month, when rainfall can reach 0.8 in. May is typically the driest time to visit Las Vegas when rainfall is around 0.1 in.

Temperature in Las Vegas by month

Plan your trip to Las Vegas by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Las Vegas, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 93.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 48.2 F).

Reviews of airlines servicing Las Vegas

Get insights into the airlines that provide service to Las Vegas. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Las Vegas. Reviews last updated March 25, 2025.
See what other customers who have flown with Southwest, Delta and Breeze Airways from Portland to Las Vegas have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Entertainment

7.6

Crew

8.6

Comfort

8.0

Boarding

8.2

Food

7.1

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Entertainment

7.6

Crew

8.6

Comfort

8.0

Boarding

8.2

Food

7.1

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
8.0
Very good

Entertainment

7.6

Crew

8.6

Comfort

8.0

Boarding

8.2

Food

7.1

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Entertainment

7.6

Crew

8.6

Comfort

8.0

Boarding

8.2

Food

7.1

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Entertainment

7.6

Crew

8.6

Comfort

8.0

Boarding

8.2

Food

7.1

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Entertainment

7.6

Crew

8.6

Comfort

8.0

Boarding

8.2

Food

7.1

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

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.
  • What are the cheapest airlines flying from Portland, Maine to Las Vegas round-trip?

    Cheapflights users have booked flights from Portland, Maine to Las Vegas round-trip from $356. Other airlines that can offer you cheap pricing are Delta, from $357, and Frontier, from $360. United Airlines is currently priced 29% below the average price you’ll pay for this route.

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

    The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $155. However, be on the lookout for offers from JetBlue and American Airlines, as they are both options that can get you from Portland, Maine to Las Vegas for a low price.

  • 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 vacation 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, Maine to Las Vegas?

    Currently, August is the cheapest month in which you can book a flight from Portland, Maine to Las Vegas (average of $198). Flying from Portland, Maine to Las Vegas in March is currently the most expensive (average of $269). 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

Traveling to a place near Portland?

Book flights to Portland if you plan to visit one of these locations
Henderson
Paradise
North Las Vegas
Sunrise Manor
Winchester
Kingman
Primm
Mesquite
Needles
Mount Charleston
Pahrump
Boulder City

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Top 5 airlines flying from Portland to Las Vegas

Discover the top 5 airlines that operate flights from Portland to Las Vegas. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$273Average$385FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$326Average$498FlexibilityNo cancel feeOn-time71%
DeltaCheapest$342Average$511FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$350Average$539FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$386Average$509FlexibilityNo cancel feeOn-time63%
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