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Cheap flights from Las Vegas to Boston from $160

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 Boston departing on 1/12. 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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0 bags

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United Airlines Logo
10:30 pm - 8:44 am
LAS
-
PWM
7h 14m1 stop
United Airlines Logo
3:15 pm - 9:22 pm
PWM
-
LAS
9h 07m1 stop
$447United Airlines
Wed, May 13 - Sat, May 16
Delta Logo
8:00 am - 12:20 am
LAS
-
PWM
13h 20m2 stops
Delta Logo
5:30 am - 5:41 pm
PWM
-
LAS
15h 11m2 stops
$450Delta
Tue, Jan 6 - Tue, Jan 27
Delta Logo
6:05 am - 4:15 pm
LAS
-
PWM
7h 10m1 stop
Delta Logo
11:25 am - 7:58 pm
PWM
-
LAS
11h 33m2 stops
$452Delta
Wed, May 13 - Sat, May 16
American Airlines Logo
1:45 am - 11:29 am
LAS
-
PWM
6h 44m1 stop
American Airlines Logo
5:14 am - 11:22 am
PWM
-
LAS
9h 08m2 stops
$454American Airlines
Tue, Jun 9 - Wed, Jun 17
Delta Logo
6:00 am - 10:03 pm
LAS
-
PWM
13h 03m2 stops
Delta Logo
11:25 am - 7:58 pm
PWM
-
LAS
11h 33m2 stops
$457Delta
Wed, May 13 - Sat, May 16
Southwest Logo
11:50 am - 10:15 pm
LAS
-
PWM
7h 25m1 stop
Southwest Logo
12:45 pm - 8:55 pm
PWM
-
LAS
11h 10m1 stop
$467Southwest
Tue, Jan 6 - Tue, Jan 27
Delta Logo
11:05 pm - 1:54 pm
LAS
-
PWM
11h 49m2 stops
Delta Logo
11:25 am - 9:11 pm
PWM
-
LAS
12h 46m2 stops
$483Delta
Tue, Jun 16 - Tue, Jun 23
American Airlines Logo
11:55 pm - 11:51 am
LAS
-
PWM
8h 56m2 stops
American Airlines Logo
5:14 am - 11:22 am
PWM
-
LAS
9h 08m2 stops
$510American Airlines
Wed, Jun 10 - Wed, Jun 17
American Airlines Logo
11:55 pm - 11:51 am
LAS
-
PWM
8h 56m2 stops
American Airlines Logo
5:14 am - 11:22 am
PWM
-
LAS
9h 08m2 stops
$511American Airlines
Wed, Jun 10 - Wed, Jun 17
Delta Logo
6:00 am - 4:08 pm
LAS
-
PWM
7h 08m1 stop
Delta Logo
12:20 pm - 8:08 pm
PWM
-
LAS
10h 48m1 stop
$567Delta
Sun, Jan 4 - Thu, Jan 8

United Airlines flights from Las Vegas to Portland, Maine

Our best United Airlines deals on Las Vegas to Portland, Maine flight tickets
United Airlines
Dec 25
LAS1:10 pmLas Vegas Harry Reid Intl
7h 49m
1 stop
PWM11:59 pmPortland
Jan 3
PWM5:30 amPortland
8h 57m
1 stop
LAS11:27 amLas Vegas Harry Reid Intl
$437
Find similar
United Airlines
Dec 25
LAS1:10 pmLas Vegas Harry Reid Intl
7h 49m
1 stop
PWM11:59 pmPortland
Jan 3
PWM5:30 amPortland
9h 59m
2 stops
LAS12:29 pmLas Vegas Harry Reid Intl
$442
Find similar
United Airlines
May 13
LAS10:30 pmLas Vegas Harry Reid Intl
7h 14m
1 stop
PWM8:44 amPortland
May 16
PWM3:15 pmPortland
9h 07m
1 stop
LAS9:22 pmLas Vegas Harry Reid Intl
$447
Find similar

Delta flights from Las Vegas to Portland, Maine

Our best Delta deals on Las Vegas to Portland, Maine flight tickets
Delta
Jan 6
LAS8:00 amLas Vegas Harry Reid Intl
13h 20m
2 stops
PWM12:20 amPortland
Jan 27
PWM5:30 amPortland
15h 11m
2 stops
LAS5:41 pmLas Vegas Harry Reid Intl
$450
Find similar
Delta
May 13
LAS6:05 amLas Vegas Harry Reid Intl
7h 10m
1 stop
PWM4:15 pmPortland
May 16
PWM11:25 amPortland
11h 33m
2 stops
LAS7:58 pmLas Vegas Harry Reid Intl
$452
Find similar
Delta
May 13
LAS6:00 amLas Vegas Harry Reid Intl
13h 03m
2 stops
PWM10:03 pmPortland
May 16
PWM11:25 amPortland
11h 33m
2 stops
LAS7:58 pmLas Vegas Harry Reid Intl
$457
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 December 21, 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

Wed 5/13

10:30 pm-8:44 am

1 stop7h 14m

Portland

Sat 5/16

3:15 pm-9:22 pm

1 stop9h 07m

$447

Las VegasPortland

LAS - PWM

LASPWM

Las Vegas Harry Reid Intl

Tue 1/6

8:00 am-12:20 am

2 stops13h 20m

Portland

Tue 1/27

5:30 am-5:41 pm

2 stops15h 11m

$450

Las VegasPortland

LAS - PWM

LASPWM

Las Vegas Harry Reid Intl

Wed 5/13

6:05 am-4:15 pm

1 stop7h 10m

Portland

Sat 5/16

11:25 am-7:58 pm

2 stops11h 33m

$452

Las VegasPortland

LAS - PWM

LASPWM

Las Vegas Harry Reid Intl

Tue 6/9

1:45 am-11:29 am

1 stop6h 44m

Portland

Wed 6/17

5:14 am-11:22 am

2 stops9h 08m

$454

Las VegasPortland

LAS - PWM

LASPWM

Las Vegas Harry Reid Intl

Wed 5/13

6:00 am-10:03 pm

2 stops13h 03m

Portland

Sat 5/16

11:25 am-7:58 pm

2 stops11h 33m

$457

Las VegasPortland

LAS - PWM

LASPWM

Las Vegas Harry Reid Intl

Tue 1/6

11:50 am-10:15 pm

1 stop7h 25m

Portland

Tue 1/27

12:45 pm-8:55 pm

1 stop11h 10m

$467

Las VegasPortland

LAS - PWM

LASPWM

Las Vegas Harry Reid Intl

Tue 6/16

11:05 pm-1:54 pm

2 stops11h 49m

Portland

Tue 6/23

11:25 am-9:11 pm

2 stops12h 46m

$483

Las VegasPortland

LAS - PWM

LASPWM

Las Vegas Harry Reid Intl

Wed 6/10

11:55 pm-11:51 am

2 stops8h 56m

Portland

Wed 6/17

5:14 am-11:22 am

2 stops9h 08m

$510

Las VegasPortland

LAS - PWM

LASPWM

Las Vegas Harry Reid Intl

Wed 6/10

11:55 pm-11:51 am

2 stops8h 56m

Portland

Wed 6/17

5:14 am-11:22 am

2 stops9h 08m

$511

Las VegasPortland

LAS - PWM

LASPWM

Las Vegas Harry Reid Intl

Sun 1/4

6:00 am-4:08 pm

1 stop7h 08m

Portland

Thu 1/8

12:20 pm-8:08 pm

1 stop10h 48m

$567

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 Boston 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 $272, 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 $338.

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.

Can stopping save me money on Las Vegas to Portland, Maine flights?

You could potentially save up to 42% on your flight if you consider stops on a Las Vegas to Portland, Maine flight.

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

As of December 2025, prices for Las Vegas to Portland, Maine flights are approximately 10% more expensive 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

Fastest flight time

6h 49m

Direct flights

None
The fastest flight from Las Vegas to Portland, Maine takes 6h 49m
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 49m.

  • 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
United AirlinesPriceFrom $226Free CancellationRating
7.4
9,100 reviews
Search United Airlines flights
DeltaPriceFrom $262Free CancellationRating
7.9
8,021 reviews
Search Delta flights
American AirlinesPriceFrom $272Free CancellationRating
7.2
11,050 reviews
Search American Airlines flights
SouthwestPriceFrom $412Free CancellationRating
8.0
4,257 reviews
Search Southwest flights

Traveling to a place near Boston?

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

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.
Start using Trips
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