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Cheap flights from Las Vegas to Portland from $142

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Las Vegas to Portland departing on 10/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Las Vegas to Portland

Cheap round-trip flights

JetBlue Logo
11:59 pm - 1:22 pmLAS-PWM
10h 23m1 stop
JetBlue Logo
7:09 am - 6:14 pmPWM-LAS
14h 05m1 stop
$277JetBlue
Find Deal
Fri, Oct 17 - Tue, Oct 21
Delta Logo
12:35 am - 10:36 amLAS-PWM
7h 01m1 stop
Delta Logo
2:38 pm - 10:20 pmPWM-LAS
10h 42m1 stop
$283Delta
Find Deal
Fri, Oct 24 - Sat, Nov 1
Southwest Logo
8:00 am - 10:25 pmLAS-PWM
11h 25m2 stops
Southwest Logo
3:20 pm - 9:20 pmPWM-LAS
9h 00m1 stop
$288Southwest
Find Deal
Sat, Oct 25 - Sat, Nov 1
United Airlines Logo
10:30 pm - 9:11 amLAS-PWM
7h 41m1 stop
United Airlines Logo
6:00 am - 1:24 pmPWM-LAS
10h 24m2 stops
$308United Airlines
Find Deal
Tue, Oct 14 - Tue, Oct 21
Multiple Airlines Logo
8:53 am - 2:30 pmLAS-PWM
26h 37m1 stop
Multiple Airlines Logo
3:15 pm - 12:20 amPWM-LAS
12h 05m1 stop
$310Multiple Airlines
Find Deal
Wed, Oct 29 - Thu, Nov 6
United Airlines Logo
10:30 pm - 8:44 amLAS-PWM
7h 14m1 stop
United Airlines Logo
6:00 am - 1:24 pmPWM-LAS
10h 24m2 stops
$323United Airlines
Find Deal
Fri, Oct 17 - Tue, Oct 21
Multiple Airlines Logo
11:02 pm - 5:25 pmLAS-PWM
39h 23m2 stops
Multiple Airlines Logo
3:15 pm - 12:20 amPWM-LAS
12h 05m1 stop
$332Multiple Airlines
Find Deal
Wed, Oct 29 - Thu, Nov 6
Southwest Logo
5:45 am - 7:55 pmLAS-PWM
11h 10m2 stops
Southwest Logo
11:50 am - 8:15 pmPWM-LAS
11h 25m2 stops
$411Southwest
Find Deal
Wed, Oct 29 - Thu, Nov 6
American Airlines Logo
10:00 am - 11:45 pmLAS-PWM
10h 45m2 stops
American Airlines Logo
3:56 pm - 10:11 pmPWM-LAS
9h 15m1 stop
$416American Airlines
Find Deal
Mon, Sep 29 - Fri, Oct 3
American Airlines Logo
11:10 pm - 11:14 amLAS-PWM
9h 04m1 stop
American Airlines Logo
2:42 pm - 10:19 pmPWM-LAS
10h 37m1 stop
$464American Airlines
Find Deal
Mon, Oct 20 - Sun, Oct 26

Delta flights from Las Vegas to Portland, Maine

Our best Delta deals on Las Vegas to Portland, Maine flight tickets
Delta
Oct 24
LAS12:35 amLas Vegas Harry Reid Intl
7h 01m
1 stop
PWM10:36 amPortland
Nov 1
PWM2:38 pmPortland
10h 42m
1 stop
LAS10:20 pmLas Vegas Harry Reid Intl
$283
Find similar
Delta
Oct 25
LAS9:43 amLas Vegas Harry Reid Intl
11h 22m
2 stops
PWM12:05 amPortland
Nov 1
PWM12:00 pmPortland
13h 29m
2 stops
LAS10:29 pmLas Vegas Harry Reid Intl
$293
Find similar
Delta
Oct 17
LAS12:35 amLas Vegas Harry Reid Intl
7h 01m
1 stop
PWM10:36 amPortland
Oct 20
PWM2:38 pmPortland
10h 42m
1 stop
LAS10:20 pmLas Vegas Harry Reid Intl
$318
Find similar

Southwest flights from Las Vegas to Portland, Maine

Our best Southwest deals on Las Vegas to Portland, Maine flight tickets
Southwest
Oct 25
LAS8:00 amLas Vegas Harry Reid Intl
11h 25m
2 stops
PWM10:25 pmPortland
Nov 1
PWM3:20 pmPortland
9h 00m
1 stop
LAS9:20 pmLas Vegas Harry Reid Intl
$288
Find similar
Southwest
Oct 29
LAS5:45 amLas Vegas Harry Reid Intl
11h 10m
2 stops
PWM7:55 pmPortland
Nov 6
PWM11:50 amPortland
11h 25m
2 stops
LAS8:15 pmLas Vegas Harry Reid Intl
$411
Find similar
Southwest
Nov 2
LAS11:40 pmLas Vegas Harry Reid Intl
9h 30m
2 stops
PWM12:10 pmPortland
Nov 9
PWM5:30 amPortland
11h 45m
2 stops
LAS2:15 pmLas Vegas Harry Reid Intl
$473
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Las Vegas to Portland, Maine 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, momondo users made 832,500 searches. Data last updated September 16, 2025.
Use the filters below to find and compare flights from Las Vegas to Portland, Maine that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Las VegasPortland

LAS - PWM

LASPWM

Las Vegas Harry Reid Intl

Fri 10/17

11:59 pm-1:22 pm

1 stop10h 23m

Portland

Tue 10/21

7:09 am-6:14 pm

1 stop14h 05m

$277

Las VegasPortland

LAS - PWM

LASPWM

Las Vegas Harry Reid Intl

Fri 10/24

12:35 am-10:36 am

1 stop7h 01m

Portland

Sat 11/1

2:38 pm-10:20 pm

1 stop10h 42m

$283

Las VegasPortland

LAS - PWM

LASPWM

Las Vegas Harry Reid Intl

Sat 10/25

8:00 am-10:25 pm

2 stops11h 25m

Portland

Sat 11/1

3:20 pm-9:20 pm

1 stop9h 00m

$288

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

6:00 am-1:24 pm

2 stops10h 24m

$308

Las VegasPortland

LAS - PWM

LASPWM

Las Vegas Harry Reid Intl

Wed 10/29

8:53 am-2:30 pm

1 stop26h 37m

Portland

Thu 11/6

3:15 pm-12:20 am

1 stop12h 05m

$310

Las VegasPortland

LAS - PWM

LASPWM

Las Vegas Harry Reid Intl

Fri 10/17

10:30 pm-8:44 am

1 stop7h 14m

Portland

Tue 10/21

6:00 am-1:24 pm

2 stops10h 24m

$323

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

Wed 10/29

5:45 am-7:55 pm

2 stops11h 10m

Portland

Thu 11/6

11:50 am-8:15 pm

2 stops11h 25m

$411

Las VegasPortland

LAS - PWM

LASPWM

Las Vegas Harry Reid Intl

Mon 9/29

10:00 am-11:45 pm

2 stops10h 45m

Portland

Fri 10/3

3:56 pm-10:11 pm

1 stop9h 15m

$416

Las VegasPortland

LAS - PWM

LASPWM

Las Vegas Harry Reid Intl

Mon 10/20

11:10 pm-11:14 am

1 stop9h 04m

Portland

Sun 10/26

2:42 pm-10:19 pm

1 stop10h 37m

$464

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Portland from

How to get the cheapest flight ticket from Las Vegas to Portland, Maine

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Portland, Maine?

The cheapest month to fly to Portland, Maine from Las Vegas is in October. Flight prices, which tend to average around $273, are often lower during this time because this is during the off-season. If you aren’t able to travel to Portland, Maine during the month of October, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $303.

What is the cheapest day to depart on your flight to Portland, Maine?

On average, the least expensive day to fly to Portland, Maine from Las Vegas is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $418. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Friday is the most expensive day to depart from Las Vegas because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $604.

What is the cheapest time of day to depart on your flight to Portland, Maine?

At noon is the cheapest time of day to fly from Las Vegas to Portland, Maine when you can find flight prices for as low as $431. Flying to Portland, Maine at noon is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the morning because they tend to be around $504. Of course, these prices can vary depending on the time of year and what airport you fly to.

How have Las Vegas to Portland, Maine flight prices changed over time?

As of September 2025, prices for Las Vegas to Portland, Maine flights are approximately 24% cheaper when compared to flights at the same time last year.

When to book flights from Las Vegas to Portland, Maine

Are you open to changing your travel dates? Check out the ideal times to fly from Las Vegas to Portland, Maine according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Las Vegas to Portland, Maine (LAS to PWM) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Las Vegas to Portland, Maine

Direct flights

None
There are no direct flights from Las Vegas to Portland, Maine. There are no popular flight routes from Las Vegas to Portland, Maine.
Search flight deals

  • How far is Las Vegas Harry Reid Intl to Portland by plane?

    The straight-line distance from Las Vegas Harry Reid Intl to Portland is 2401.8 mi. In terms of flight time, this usually takes a little over 6h 55m.

  • When did momondo last update prices for flights from Las Vegas Harry Reid Intl Airport to Portland Airport?

    Prices for flights from Las Vegas Harry Reid Intl Airport to Portland Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Las Vegas Harry Reid Intl Airport to Portland Airport?

  • How old do you have to be to fly from Las Vegas Harry Reid Intl Airport to Portland Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Las Vegas Harry Reid Intl Airport to Portland Airport.

  • What documentation or ID do you need to fly to Portland Airport?

    The necessary travel and health documents for your Portland Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Las Vegas to Portland, Maine?

Best airlines flying from Las Vegas to Portland, Maine

Compare and see reviews for airlines that fly from Las Vegas to Portland, Maine with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $188Free CancellationRating
7.9
7,957 reviews
Search Delta flights
United AirlinesPriceFrom $226Free CancellationRating
7.4
8,924 reviews
Search United Airlines flights
American AirlinesPriceFrom $272Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
SouthwestPriceFrom $412Free CancellationRating
8.0
4,242 reviews
Search Southwest flights

  • Southwest Flights From Las Vegas to Portland, Maine

    Southwest is one of the most popular airlines flying from Las Vegas to Portland, Maine, operating 3 flights/week on average for this route. A good Southwest flight deal for Las Vegas to Portland, Maine starts from $412 round-trip, up to an average price of $556. Our users have rated Southwest at 8.0/10.

Traveling to a place near Portland?

Book flights to Portland if you plan to visit one of these locations
North Conway
Boothbay Harbor
Jackson
Conway
Freeport
Lewiston
Bartlett
Gorham
Brunswick
Auburn
Intervale
Windham
Bath
Oxford
Georgetown
Tamworth
Falmouth

Why use momondo?

Why should I use momondo to find a flight deal from Las Vegas to Portland?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Portland from Las Vegas.

Can I find flights from Las Vegas to Portland with flexible booking policies on momondo?

Yes. All flights to Portland from Las Vegas on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Las Vegas to Portland?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Las Vegas to Portland.

I’m not ready to book a flight from Las Vegas to Portland right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Las Vegas to Portland now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Portland and let you know when they change.

An easier way to manage your Portland, Maine trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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