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$154+ 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 1/20. Fares are subject to change and may not be available on all flights or dates of travel.
LAS — PWM
Jan 27 — Feb 31
Tue 1/27
Tue 2/3
1 adult, Economy
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Cheap flight deals from Las Vegas to Portland

Best flights from Las Vegas to Portland
Discover carefully curated flight deals from Las Vegas to Portland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 28, 2025.

This Delta deal was found by Cheapflights users on 12/26. 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 3/36:59 pmLAS - PWM
2 stops14h 01mDelta
Thu 4/25:18 amPWM - LAS
1 stop9h 57mDelta
Deal found 12/26$372
This United Airlines deal was found by Cheapflights users on 12/26. 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.
Tue 3/312:30 pmLAS - PWM
1 stop7h 50mUnited Airlines
Thu 4/22:12 pmPWM - LAS
1 stop11h 01mUnited Airlines
Deal found 12/26$407
This American Airlines deal was found by Cheapflights users on 12/27. 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 6/1010:03 amLAS - PWM
1 stop9h 40mAmerican Airlines
Wed 6/176:34 pmPWM - LAS
1 stop7h 46mAmerican Airlines
Deal found 12/27$447
This Delta deal was found by Cheapflights users on 12/26. 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 6/912:35 amLAS - PWM
1 stop8h 43mDelta
Wed 6/171:35 pmPWM - LAS
1 stop10h 36mDelta
Deal found 12/26$447
This American Airlines deal was found by Cheapflights users on 12/26. 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 6/166:50 amLAS - PWM
1 stop7h 26mAmerican Airlines
Tue 6/234:18 pmPWM - LAS
1 stop7h 42mAmerican Airlines
Deal found 12/26$447
This American Airlines deal was found by Cheapflights users on 12/26. 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 6/910:03 amLAS - PWM
1 stop9h 40mAmerican Airlines
Tue 6/167:53 amPWM - LAS
1 stop7h 50mAmerican Airlines
Deal found 12/26$447
This Delta deal was found by Cheapflights users on 12/27. 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.
Wed 5/1311:25 pmLAS - PWM
1 stop9h 30mDelta
Sat 5/1611:25 amPWM - LAS
2 stops13h 02mDelta
Deal found 12/27$452

Find 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 December 28, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$332
(Delta)

One-way from

$154
(American Airlines)

Popular in

February

Cheapest in

October

Average price

$556
Provider with most accurate pricing for Las Vegas Harry Reid Intl-Portland flight deals.
Search Deals
Provider most trusted by Cheapflights users for Las Vegas Harry Reid Intl-Portland flights.
Search Deals
From Las Vegas Harry Reid Intl to Portland
Search Deals
One-way flight from Las Vegas Harry Reid Intl to Portland
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($35 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($19 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 December 28, 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

Tue 3/3

6:59 pm-12:00 pm

2 stops14h 01m

Portland

Thu 4/2

5:18 am-12:15 pm

1 stop9h 57m

$372

Las VegasPortland

LAS - PWM

LASPWM

Las Vegas Harry Reid Intl

Tue 3/3

12:30 pm-11:20 pm

1 stop7h 50m

Portland

Thu 4/2

2:12 pm-10:13 pm

1 stop11h 01m

$407

Las VegasPortland

LAS - PWM

LASPWM

Las Vegas Harry Reid Intl

Wed 6/10

10:03 am-10:43 pm

1 stop9h 40m

Portland

Wed 6/17

6:34 pm-11:20 pm

1 stop7h 46m

$447

Las VegasPortland

LAS - PWM

LASPWM

Las Vegas Harry Reid Intl

Tue 6/9

12:35 am-12:18 pm

1 stop8h 43m

Portland

Wed 6/17

1:35 pm-9:11 pm

1 stop10h 36m

$447

Las VegasPortland

LAS - PWM

LASPWM

Las Vegas Harry Reid Intl

Tue 6/16

6:50 am-5:16 pm

1 stop7h 26m

Portland

Tue 6/23

4:18 pm-9:00 pm

1 stop7h 42m

$447

Las VegasPortland

LAS - PWM

LASPWM

Las Vegas Harry Reid Intl

Tue 6/9

10:03 am-10:43 pm

1 stop9h 40m

Portland

Tue 6/16

7:53 am-12:43 pm

1 stop7h 50m

$447

Las VegasPortland

LAS - PWM

LASPWM

Las Vegas Harry Reid Intl

Wed 5/13

11:25 pm-11:55 am

1 stop9h 30m

Portland

Sat 5/16

11:25 am-9:27 pm

2 stops13h 02m

$452

Las VegasPortland

LAS - PWM

LASPWM

Las Vegas Harry Reid Intl

Tue 1/20

9:00 am-10:07 pm

1 stop10h 07m

$154

Las VegasPortland

LAS - PWM

LASPWM

Las Vegas Harry Reid Intl

Fri 3/20

6:59 pm-12:09 pm

2 stops14h 10m

$159

Las VegasPortland

LAS - PWM

LASPWM

Las Vegas Harry Reid Intl

Sat 1/24

11:11 am-9:07 am

2 stops42h 56m

$166

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/27

Showing 1-10 of 17 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 December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Las Vegas-Portland, Maine flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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 $79). Flying from Las Vegas to Portland, Maine in July is currently the most expensive (average of $178). 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 December 28, 2025.

It’s typically best to fly out from Las Vegas to Portland, Maine at noon. Doing so could potentially save you 14% 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 December 28, 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
4,256 reviews

Entertainment

7.5

Comfort

8.0

Food

7.0

Crew

8.6

Boarding

8.1

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Southwest
8.0
Very good
4,256 reviews
Southwest
8.0
Very good
4,256 reviews

Entertainment

7.5

Comfort

8.0

Food

7.0

Crew

8.6

Boarding

8.1

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Delta
7.9
Good
8,019 reviews
Southwest
8.0
Very good
4,256 reviews

Entertainment

7.5

Comfort

8.0

Food

7.0

Crew

8.6

Boarding

8.1

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
United Airlines
7.4
Good
9,113 reviews
Southwest
8.0
Very good
4,256 reviews

Entertainment

7.5

Comfort

8.0

Food

7.0

Crew

8.6

Boarding

8.1

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
American Airlines
7.2
Good
11,073 reviews
Southwest
8.0
Very good
4,256 reviews

Entertainment

7.5

Comfort

8.0

Food

7.0

Crew

8.6

Boarding

8.1

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

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 50m. Fly via Delta, United Airlines, or American Airlines 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, Delta ($175), United Airlines ($226), and American Airlines ($272) offers the cheapest pricing from Las Vegas to Portland, Maine. Delta is 64% cheaper than the average price of flights available within the next 90 days to this destination.

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

    $136 is the cheapest one-way deal found within the past few days, from Delta. You may also be able to find cheap deals on American Airlines and United Airlines, with prices starting from $166 and $175, respectively.

  • 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 $79). Flying from Las Vegas to Portland, Maine in July is currently the most expensive (average of $178). 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
North Conway
Brunswick
Auburn
Conway

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Alternative routes for Las Vegas to Portland

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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 December 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$226Average$507FlexibilityNo cancel feeOn-time69%
DeltaCheapest$262Average$471FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$272Average$409FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$412Average$546FlexibilityNo cancel feeOn-time63%

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