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$167+ 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 10/2. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — LAS
May 5 — May 121
Mon 5/5
Mon 5/12
1 adult, Economy
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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 April 30, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$338
(Delta)

One-way from

$167
(United Airlines)

Popular in

July

Cheapest in

September

Average price

$568
Provider with most accurate pricing for Portland-Las Vegas Harry Reid Intl flight deals.
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Provider most trusted by Cheapflights users for Portland-Las Vegas Harry Reid Intl flights.
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From Portland to Las Vegas Harry Reid Intl
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One-way flight from Portland to Las Vegas Harry Reid Intl
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Highest demand for flights based on searches. 4% potential increase in price ($24 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($9 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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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 April 30, 2025.

This American Airlines deal was found by Cheapflights users on 4/29. 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.
Sat 11/12:53 pmPWM - LAS
1 stop7h 53mAmerican Airlines
Fri 11/71:37 amLAS - PWM
2 stops10h 17mAmerican Airlines
Deal found 4/29$338
This Delta deal was found by Cheapflights users on 4/29. 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.
Fri 8/152:35 pmPWM - LAS
1 stop7h 56mDelta
Sun 8/1712:35 amLAS - PWM
2 stops13h 33mDelta
Deal found 4/29$347
This JetBlue deal was found by Cheapflights users on 4/29. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/142:19 pmPWM - LAS
1 stop11h 30mJetBlue
Sat 6/2110:33 amLAS - PWM
1 stop10h 19mJetBlue
Deal found 4/29$366
This United Airlines deal was found by Cheapflights users on 4/29. 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.
Thu 5/224:43 pmPWM - LAS
1 stop9h 51mUnited Airlines
Sun 5/256:00 amLAS - PWM
1 stop6h 41mUnited Airlines
Deal found 4/29$372
This Southwest deal was found by Cheapflights users on 4/29. 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.
Tue 8/195:50 amPWM - LAS
2 stops10h 05mSouthwest
Fri 8/225:05 amLAS - PWM
2 stops9h 00mSouthwest
Deal found 4/29$374
This CheapOair deal was found by Cheapflights users on 4/29. 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 5/162:52 pmPWM - LAS
3 stops23h 53mMultiple Airlines
Sun 5/1811:51 pmLAS - PWM
1 stop17h 49mMultiple Airlines
Deal found 4/29$485
This KAYAK deal was found by Cheapflights users on 4/29. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/226:05 pmPWM - LAS
3 stops20h 35mBreeze Airways
Fri 9/2612:39 pmLAS - PWM
2 stops25h 59mBreeze Airways
Deal found 4/29$751

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 April 30, 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

Fri 7/11

6:53 pm-11:59 pm

1 stop8h 06m

Las Vegas Harry Reid Intl

Mon 7/14

10:10 pm-12:02 pm

2 stops10h 52m

$338

PortlandLas Vegas

PWM - LAS

PWMLAS

Portland

Sat 6/14

2:19 pm-10:49 pm

1 stop11h 30m

Las Vegas Harry Reid Intl

Sat 6/21

10:33 am-11:52 pm

1 stop10h 19m

$366

PortlandLas Vegas

PWM - LAS

PWMLAS

Portland

Thu 5/22

4:43 pm-11:34 pm

1 stop9h 51m

Las Vegas Harry Reid Intl

Sun 5/25

6:00 am-3:41 pm

1 stop6h 41m

$372

PortlandLas Vegas

PWM - LAS

PWMLAS

Portland

Tue 8/19

5:50 am-12:55 pm

2 stops10h 05m

Las Vegas Harry Reid Intl

Fri 8/22

5:05 am-5:05 pm

2 stops9h 00m

$374

PortlandLas Vegas

PWM - LAS

PWMLAS

Portland

Mon 5/19

4:01 pm-9:10 pm

1 stop8h 09m

Las Vegas Harry Reid Intl

Thu 5/29

12:40 am-12:34 pm

1 stop8h 54m

$402

PortlandLas Vegas

PWM - LAS

PWMLAS

Portland

Fri 5/16

2:52 pm-11:45 am

3 stops23h 53m

Las Vegas Harry Reid Intl

Sun 5/18

11:51 pm-8:40 pm

1 stop17h 49m

$485

PortlandLas Vegas

PWM - LAS

PWMLAS

Portland

Mon 9/22

6:05 pm-11:40 am

3 stops20h 35m

Las Vegas Harry Reid Intl

Fri 9/26

12:39 pm-5:38 pm

2 stops25h 59m

$751

PortlandLas Vegas

PWM - LAS

PWMLAS

Portland

Thu 10/2

5:45 am-10:38 am

1 stop7h 53m

$167

PortlandLas Vegas

PWM - LAS

PWMLAS

Portland

Sun 6/1

5:30 am-1:50 pm

2 stops11h 20m

$172

PortlandLas Vegas

PWM - LAS

PWMLAS

Portland

Sun 6/1

12:35 pm-5:46 pm

1 stop8h 11m

$193

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 11 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 April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy2 starsTrust 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 Mytrip to be most consistent on Cheapflights vs. Mytrip Users can find the same prices on Portland, Maine-Las Vegas flight deals on Cheapflights vs. Mytrip >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 Mytrip the most. Mytrip 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 April 25, 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 April 30, 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 April 30, 2025.
See what other customers who have flown with Breeze Airways, Southwest and Delta 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.
Breeze Airways
8.1
Very good
160 reviews

Crew

8.8

Entertainment

6.6

Boarding

8.3

Comfort

8.2

Food

6.7

Overall

8.1

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!
Breeze Airways
8.1
Very good
160 reviews
Breeze Airways
8.1
Very good
160 reviews

Crew

8.8

Entertainment

6.6

Boarding

8.3

Comfort

8.2

Food

6.7

Overall

8.1

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!
Southwest
8.0
Very good
4,295 reviews
Breeze Airways
8.1
Very good
160 reviews

Crew

8.8

Entertainment

6.6

Boarding

8.3

Comfort

8.2

Food

6.7

Overall

8.1

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!
Delta
8.0
Very good
7,936 reviews
Breeze Airways
8.1
Very good
160 reviews

Crew

8.8

Entertainment

6.6

Boarding

8.3

Comfort

8.2

Food

6.7

Overall

8.1

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!
United Airlines
7.4
Good
8,696 reviews
Breeze Airways
8.1
Very good
160 reviews

Crew

8.8

Entertainment

6.6

Boarding

8.3

Comfort

8.2

Food

6.7

Overall

8.1

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!
JetBlue
7.3
Good
2,922 reviews
Breeze Airways
8.1
Very good
160 reviews

Crew

8.8

Entertainment

6.6

Boarding

8.3

Comfort

8.2

Food

6.7

Overall

8.1

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!

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 $338. Other airlines that can offer you cheap pricing are American Airlines, from $355, and JetBlue, from $366. Delta is currently priced 32% 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 United Airlines, with whom users have recently found tickets for as low as $167. However, be on the lookout for offers from Delta and Sun Country Air, 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
Primm
Mount Charleston
Kingman
Mesquite
Pahrump
Needles
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 April 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$272Average$360FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$326Average$495FlexibilityNo cancel feeOn-time71%
DeltaCheapest$345Average$504FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$348Average$534FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$386Average$507FlexibilityNo cancel feeOn-time63%

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