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$142+ Cheap flights from Las Vegas to Portland, ME (LAS - PWM)

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 12/10. Fares are subject to change and may not be available on all flights or dates of travel.
LAS — PWM
Oct 25 — Nov 11
Sat 10/25
Sat 11/1
1 adult, Economy
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Find cheap flights from Las Vegas to Portland with Cheapflights

1. Tell us where you want to go

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Cheap flight deals from Las Vegas to Portland

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

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$283
(Delta)

One-way from

$142
(Delta)

Popular in

February

Cheapest in

October

Average price

$426
Provider with most accurate pricing for Las Vegas Harry Reid Intl-Portland flight deals.
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Provider most trusted by Cheapflights users for Las Vegas Harry Reid Intl-Portland flights.
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From Las Vegas Harry Reid Intl to Portland
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One-way flight from Las Vegas Harry Reid Intl to Portland
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Highest demand for flights based on searches. 6% potential increase in price ($35 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($20 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Las Vegas to Portland

Cheapest flights from Las Vegas to Portland
Explore the most affordable flight options available from Las Vegas to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 25, 2025.

This American Airlines deal was found by Cheapflights users on 9/24. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/211:10 amLAS - PWM
1 stop7h 04mAmerican Airlines
Wed 10/296:14 amPWM - LAS
1 stop8h 44mAmerican Airlines
Deal found 9/24$283
This Delta deal was found by Cheapflights users on 9/24. 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.
Tue 10/2112:35 amLAS - PWM
2 stops12h 28mDelta
Wed 10/2911:30 amPWM - LAS
2 stops12h 30mDelta
Deal found 9/24$293
This Delta deal was found by Cheapflights users on 9/24. 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.
Fri 10/2411:57 amLAS - PWM
1 stop9h 08mDelta
Fri 10/312:38 pmPWM - LAS
1 stop10h 42mDelta
Deal found 9/24$318
This United Airlines deal was found by Cheapflights users on 9/24. 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.
Fri 10/248:35 amLAS - PWM
2 stops10h 09mUnited Airlines
Fri 10/314:54 pmPWM - LAS
1 stop7h 55mUnited Airlines
Deal found 9/24$323
This American Airlines deal was found by Cheapflights users on 9/24. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/511:59 pmLAS - PWM
2 stops8h 36mAmerican Airlines
Tue 1/61:22 pmPWM - LAS
2 stops11h 21mAmerican Airlines
Deal found 9/24$328
This Kiwi.com deal was found by Cheapflights users on 9/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/910:30 pmLAS - PWM
1 stop9h 06mMultiple Airlines
Mon 1/125:06 pmPWM - LAS
2 stops18h 19mMultiple Airlines
Deal found 9/24$329
This Kiwi.com deal was found by Cheapflights users on 9/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/910:30 pmLAS - PWM
1 stop9h 06mMultiple Airlines
Fri 1/95:06 pmPWM - LAS
2 stops30h 19mMultiple Airlines
Deal found 9/24$333
This Kiwi.com deal was found by Cheapflights users on 9/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/412:19 pmLAS - PWM
2 stops26h 06mMultiple Airlines
Wed 1/76:18 pmPWM - LAS
1 stop17h 07mMultiple Airlines
Deal found 9/24$335
This American Airlines deal was found by Cheapflights users on 9/25. 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.
Tue 10/211:10 amLAS - PWM
1 stop7h 04mAmerican Airlines
Wed 10/223:38 pmPWM - LAS
1 stop8h 44mAmerican Airlines
Deal found 9/25$337
This Kiwi.com deal was found by Cheapflights users on 9/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/510:30 pmLAS - PWM
1 stop9h 06mMultiple Airlines
Fri 1/95:06 pmPWM - LAS
2 stops30h 19mMultiple Airlines
Deal found 9/24$338

Cheapflights Fare Finder

 
Customize your flight search to find flights from Las Vegas to Portland 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 September 25, 2025.
Use the filters below to find and compare flights from Las Vegas to Portland that are best for you.

Fly from

Las Vegas

Fly to

Portland

Route

Depart

Return

Price

Las VegasPortland

LAS - PWM

LASPWM

Las Vegas Harry Reid Intl

Wed 10/22

11:20 pm-9:59 am

1 stop7h 39m

Portland

Wed 10/29

3:20 pm-9:58 pm

1 stop9h 38m

$283

Las VegasPortland

LAS - PWM

LASPWM

Las Vegas Harry Reid Intl

Mon 12/8

12:43 am-1:54 pm

2 stops10h 11m

Portland

Tue 1/13

6:30 am-3:04 pm

1 stop11h 34m

$288

Las VegasPortland

LAS - PWM

LASPWM

Las Vegas Harry Reid Intl

Wed 12/3

9:35 am-10:15 pm

1 stop9h 40m

Portland

Sat 12/6

3:15 pm-9:20 pm

1 stop9h 05m

$345

Las VegasPortland

LAS - PWM

LASPWM

Las Vegas Harry Reid Intl

Wed 10/22

10:30 pm-9:11 am

1 stop7h 41m

Portland

Thu 10/23

4:57 pm-10:02 pm

1 stop8h 05m

$345

Las VegasPortland

LAS - PWM

LASPWM

Las Vegas Harry Reid Intl

Tue 10/14

11:59 pm-1:22 pm

1 stop10h 23m

Portland

Tue 10/21

7:09 am-2:36 pm

1 stop10h 27m

$349

Las VegasPortland

LAS - PWM

LASPWM

Las Vegas Harry Reid Intl

Tue 12/2

12:43 am-1:54 pm

2 stops10h 11m

Portland

Sat 12/6

2:34 pm-7:35 pm

1 stop8h 01m

$350

Las VegasPortland

LAS - PWM

LASPWM

Las Vegas Harry Reid Intl

Tue 10/21

12:35 am-10:36 am

1 stop7h 01m

Portland

Wed 10/22

2:38 pm-10:29 pm

2 stops10h 51m

$372

Las VegasPortland

LAS - PWM

LASPWM

Las Vegas Harry Reid Intl

Mon 10/13

12:35 am-10:36 am

1 stop7h 01m

Portland

Tue 10/21

2:38 pm-7:32 pm

1 stop7h 54m

$375

Las VegasPortland

LAS - PWM

LASPWM

Las Vegas Harry Reid Intl

Wed 12/10

1:26 pm-11:37 pm

1 stop7h 11m

$142

Las VegasPortland

LAS - PWM

LASPWM

Las Vegas Harry Reid Intl

Tue 10/21

8:00 am-8:18 pm

1 stop9h 18m

$142

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/24

Showing 1-10 of 16 results
1
2

Compare providers for flights from Las Vegas to Portland

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 Las Vegas to Portland in September.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice 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 Las Vegas-Portland, Maine flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Las Vegas-Portland, Maine flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Las Vegas-Portland, Maine flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Las Vegas-Portland, Maine 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 Las Vegas-Portland, Maine 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 Las Vegas to Portland

Have a flexible travel schedule? Discover the best time to fly to Portland from Las Vegas 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 Las Vegas to Portland

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

Currently, January is the cheapest month in which you can book a flight from Las Vegas to Portland, Maine (average of $296). Flying from Las Vegas to Portland, Maine in July is currently the most expensive (average of $394). 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 LAS to PWM?

Find hourly flight availability from Las Vegas to Portland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 25, 2025.

It’s typically best to fly out from Las Vegas to Portland, Maine at noon. Doing so could potentially save you 15% on the flight price compared to flying in the morning, which is usually more expensive.

Reviews of airlines servicing Portland

Get insights into the airlines that provide service to Portland. 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 Portland. Reviews last updated September 25, 2025.
Get a feel of what it's like to fly with Southwest, Delta, and United Airlines from Las Vegas to Portland by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,246 reviews

Boarding

8.1

Comfort

8.0

Food

7.0

Crew

8.6

Entertainment

7.5

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,246 reviews
Southwest
8.0
Very good
4,246 reviews

Boarding

8.1

Comfort

8.0

Food

7.0

Crew

8.6

Entertainment

7.5

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Delta
8.0
Very good
7,973 reviews
Southwest
8.0
Very good
4,246 reviews

Boarding

8.1

Comfort

8.0

Food

7.0

Crew

8.6

Entertainment

7.5

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
United Airlines
7.4
Good
8,926 reviews
Southwest
8.0
Very good
4,246 reviews

Boarding

8.1

Comfort

8.0

Food

7.0

Crew

8.6

Entertainment

7.5

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,246 reviews

Boarding

8.1

Comfort

8.0

Food

7.0

Crew

8.6

Entertainment

7.5

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Related info for your journey

Find useful and relevant information for your journey from Las Vegas to Portland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Las Vegas to Portland, Maine?

    There are many flights that can get you from Las Vegas to Portland, Maine in 7h 39m. Fly via United Airlines, Delta, or Southwest to get the fastest option. Las Vegas and Portland, Maine are separated by a distance of 2403 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    According to our current data, United Airlines ($226), Delta ($262), and American Airlines ($272) offers the cheapest pricing from Las Vegas to Portland, Maine. United Airlines is 52% cheaper than the average price of flights available within the next 90 days to this destination.

  • Can I find deals for flights from Las Vegas to Portland that include hotel bookings?

    Yes. In addition to deals on Las Vegas to Portland flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Las Vegas to Portland?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Las Vegas to Portland.

  • Can I find deals for business class flights from Las Vegas to Portland?

    Yes. Cheapflights offers flight deals from Las Vegas to Portland 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 Las Vegas to Portland, Maine?

    Currently, January is the cheapest month in which you can book a flight from Las Vegas to Portland, Maine (average of $296). Flying from Las Vegas to Portland, Maine in July is currently the most expensive (average of $394). 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
Brunswick
North Conway
Auburn
Conway

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Las Vegas to Portland

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Las Vegas to Portland

Discover the top 4 airlines that operate flights from Las Vegas to Portland. 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 September 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$226Average$460FlexibilityNo cancel feeOn-time69%
DeltaCheapest$262Average$432FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$272Average$423FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$412Average$556FlexibilityNo cancel feeOn-time63%

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