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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 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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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 16, 2025.

Round-trip from

$277
(Expedia)

One-way from

$142
(American Airlines)

Popular in

February

Cheapest in

October

Average price

$426
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 16, 2025.

This Delta deal was found by Cheapflights users on 9/15. 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 10/2412:35 amLAS - PWM
1 stop7h 01mDelta
Sat 11/12:38 pmPWM - LAS
1 stop10h 42mDelta
Deal found 9/15$283
This Southwest deal was found by Cheapflights users on 9/15. 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.
Sat 10/258:00 amLAS - PWM
2 stops11h 25mSouthwest
Sat 11/13:20 pmPWM - LAS
1 stop9h 00mSouthwest
Deal found 9/15$288
This United Airlines deal was found by Cheapflights users on 9/15. 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 10/1410:30 pmLAS - PWM
1 stop7h 41mUnited Airlines
Tue 10/216:00 amPWM - LAS
2 stops10h 24mUnited Airlines
Deal found 9/15$308
This Kiwi.com deal was found by Cheapflights users on 9/15. 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.
Wed 10/298:53 amLAS - PWM
1 stop26h 37mMultiple Airlines
Thu 11/63:15 pmPWM - LAS
1 stop12h 05mMultiple Airlines
Deal found 9/15$310
This Expedia deal was found by Cheapflights users on 9/14. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/157:00 amLAS - PWM
1 stop13h 04mJetBlue
Mon 10/207:09 amPWM - LAS
1 stop14h 05mJetBlue
Deal found 9/14$322
This Delta deal was found by Cheapflights users on 9/13. 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 9/2912:45 amLAS - PWM
1 stop6h 55mDelta
Tue 10/72:38 pmPWM - LAS
1 stop10h 42mDelta
Deal found 9/13$340
This Delta deal was found by Cheapflights users on 9/15. 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 10/1410:46 pmLAS - PWM
2 stops9h 03mDelta
Tue 10/2111:30 amPWM - LAS
2 stops13h 06mDelta
Deal found 9/15$350
This Kiwi.com deal was found by Cheapflights users on 9/14. 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.
Sun 11/23:30 pmLAS - PWM
1 stop19h 21mMultiple Airlines
Sun 11/93:15 pmPWM - LAS
1 stop12h 05mMultiple Airlines
Deal found 9/14$360

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 16, 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 10/14

10:30 pm-9:11 am

1 stop7h 41m

Portland

Tue 10/21

8:00 am-2:19 pm

1 stop9h 19m

$283

Las VegasPortland

LAS - PWM

LASPWM

Las Vegas Harry Reid Intl

Sat 10/25

9:45 pm-9:40 am

1 stop8h 55m

Portland

Sat 11/1

3:20 pm-9:20 pm

1 stop9h 00m

$283

Las VegasPortland

LAS - PWM

LASPWM

Las Vegas Harry Reid Intl

Fri 10/24

12:45 am-12:32 pm

1 stop8h 47m

Portland

Sat 11/1

4:48 pm-9:36 pm

1 stop7h 48m

$283

Las VegasPortland

LAS - PWM

LASPWM

Las Vegas Harry Reid Intl

Wed 10/29

11:02 pm-5:25 pm

2 stops39h 23m

Portland

Thu 11/6

3:15 pm-12:20 am

1 stop12h 05m

$332

Las VegasPortland

LAS - PWM

LASPWM

Las Vegas Harry Reid Intl

Mon 9/29

12:45 am-10:40 am

1 stop6h 55m

Portland

Tue 10/7

2:38 pm-10:20 pm

1 stop10h 42m

$340

Las VegasPortland

LAS - PWM

LASPWM

Las Vegas Harry Reid Intl

Tue 10/14

10:30 pm-9:11 am

1 stop7h 41m

$142

Las VegasPortland

LAS - PWM

LASPWM

Las Vegas Harry Reid Intl

Wed 10/15

12:19 pm-10:48 pm

1 stop7h 29m

$142

Las VegasPortland

LAS - PWM

LASPWM

Las Vegas Harry Reid Intl

Fri 10/17

12:35 am-10:36 am

1 stop7h 01m

$142

Las VegasPortland

LAS - PWM

LASPWM

Las Vegas Harry Reid Intl

Wed 11/26

12:59 am-1:19 pm

1 stop9h 20m

$142

Las VegasPortland

LAS - PWM

LASPWM

Las Vegas Harry Reid Intl

Sat 10/18

9:46 am-9:44 pm

2 stops8h 58m

$147

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 14 results
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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 16, 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 16, 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
4,242 reviews

Comfort

8.0

Boarding

8.1

Overall

8.0

Entertainment

7.5

Crew

8.6

Food

7.0

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
4,242 reviews
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Boarding

8.1

Overall

8.0

Entertainment

7.5

Crew

8.6

Food

7.0

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
7,954 reviews
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Boarding

8.1

Overall

8.0

Entertainment

7.5

Crew

8.6

Food

7.0

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
8,929 reviews
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Boarding

8.1

Overall

8.0

Entertainment

7.5

Crew

8.6

Food

7.0

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
4,242 reviews

Comfort

8.0

Boarding

8.1

Overall

8.0

Entertainment

7.5

Crew

8.6

Food

7.0

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 41m. Fly via United Airlines, Southwest, or Delta 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 ($188), United Airlines ($226), and American Airlines ($272) offers the cheapest pricing from Las Vegas to Portland, Maine. Delta is 60% 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?

    $142 is the cheapest one-way deal found within the past few days, from United Airlines. You may also be able to find cheap deals on American Airlines and Delta, with prices starting from $142 and $142, 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 $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
Lewiston

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.
Las Vegas to Boston flights
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Reno to Portland flights
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Twin Falls to Boston flights

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 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$188Average$432FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$226Average$490FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$272Average$423FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$412Average$556FlexibilityNo cancel feeOn-time63%

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