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Cheap flights from Las Vegas to Boston from $173

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 4/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
JetBlue Logo
1:25 pm - 11:56 pm
LAS
-
PWM
7h 31m
1 stop
JetBlue Logo
6:00 am - 1:34 pm
PWM
-
LAS
10h 34m
1 stop
$275JetBlue
Tue, Jun 9 - Tue, Jun 16
JetBlue Logo
10:20 am - 11:56 pm
LAS
-
PWM
10h 36m
1 stop
JetBlue Logo
4:52 pm - 12:12 am
PWM
-
LAS
10h 20m
1 stop
$311JetBlue
Wed, Apr 1 - Mon, Apr 6
Delta Logo
11:35 am - 12:46 am
LAS
-
PWM
10h 11m
1 stop
Delta Logo
6:30 am - 6:28 pm
PWM
-
LAS
14h 58m
2 stops
$322Delta
Tue, Apr 21 - Sun, May 3
Delta Logo
11:10 am - 12:46 am
LAS
-
PWM
10h 36m
2 stops
Delta Logo
6:30 am - 6:28 pm
PWM
-
LAS
14h 58m
2 stops
$327Delta
Tue, Apr 21 - Wed, May 6
Delta Logo
6:55 pm - 12:00 pm
LAS
-
PWM
14h 05m
2 stops
Delta Logo
2:38 pm - 10:21 pm
PWM
-
LAS
10h 43m
1 stop
$332Delta
Wed, May 6 - Wed, May 20
Delta Logo
12:30 am - 2:11 pm
LAS
-
PWM
10h 41m
2 stops
Delta Logo
4:43 pm - 11:14 pm
PWM
-
LAS
9h 31m
2 stops
$337Delta
Tue, Apr 14 - Wed, Apr 29
Delta Logo
11:35 am - 12:46 am
LAS
-
PWM
10h 11m
1 stop
Delta Logo
6:30 am - 6:28 pm
PWM
-
LAS
14h 58m
2 stops
$342Delta
Thu, Apr 16 - Sun, May 3
Multiple Airlines Logo
11:54 pm - 9:07 am
LAS
-
PWM
30h 13m
1 stop
Multiple Airlines Logo
11:29 am - 1:22 pm
PWM
-
LAS
28h 53m
2 stops
$343Multiple Airlines
Wed, Apr 15 - Fri, May 1
Delta Logo
11:07 pm - 2:11 pm
LAS
-
PWM
12h 04m
2 stops
Delta Logo
6:30 am - 6:28 pm
PWM
-
LAS
14h 58m
2 stops
$347Delta
Sat, Apr 18 - Wed, Apr 29
Delta Logo
11:35 am - 12:46 am
LAS
-
PWM
10h 11m
1 stop
Delta Logo
6:30 am - 6:27 pm
PWM
-
LAS
14h 57m
2 stops
$352Delta
Tue, Apr 21 - Sat, May 2

Southwest flights from Las Vegas to Portland, Maine

Our best Southwest deals on Las Vegas to Portland, Maine flight tickets
Southwest
Apr 18
LAS10:15 pmLas Vegas Harry Reid Intl
10h 50m
1 stop
PWM12:05 pmPortland
May 2
PWM12:45 pmPortland
9h 45m
1 stop
LAS7:30 pmLas Vegas Harry Reid Intl
$382
Southwest
Mar 28
LAS9:45 amLas Vegas Harry Reid Intl
11h 25m
2 stops
PWM12:10 amPortland
Apr 3
PWM12:35 pmPortland
10h 55m
1 stop
LAS8:30 pmLas Vegas Harry Reid Intl
$425
Southwest
Mar 28
LAS9:45 amLas Vegas Harry Reid Intl
11h 25m
2 stops
PWM12:10 amPortland
Apr 3
PWM12:35 pmPortland
11h 30m
2 stops
LAS9:05 pmLas Vegas Harry Reid Intl
$430

United Airlines flights from Las Vegas to Portland, Maine

Our best United Airlines deals on Las Vegas to Portland, Maine flight tickets
United Airlines
Apr 18
LAS9:07 amLas Vegas Harry Reid Intl
9h 33m
2 stops
PWM9:40 pmPortland
May 2
PWM5:30 amPortland
8h 52m
1 stop
LAS11:22 amLas Vegas Harry Reid Intl
$372
United Airlines
Mar 13
LAS7:47 amLas Vegas Harry Reid Intl
11h 31m
2 stops
PWM10:18 pmPortland
Mar 17
PWM6:00 amPortland
15h 15m
3 stops
LAS6:15 pmLas Vegas Harry Reid Intl
$683
United Airlines
Feb 28
LAS6:05 amLas Vegas Harry Reid Intl
14h 15m
2 stops
PWM11:20 pmPortland
Mar 11
PWM11:30 amPortland
14h 00m
2 stops
LAS10:30 pmLas Vegas Harry Reid Intl
$836

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 February 27, 2026.
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

Tue 6/9

1:25 pm-11:56 pm

1 stop7h 31m

Portland

Tue 6/16

6:00 am-1:34 pm

1 stop10h 34m

$275

Las VegasPortland

LAS - PWM

LASPWM

Las Vegas Harry Reid Intl

Wed 4/1

10:20 am-11:56 pm

1 stop10h 36m

Portland

Mon 4/6

4:52 pm-12:12 am

1 stop10h 20m

$311

Las VegasPortland

LAS - PWM

LASPWM

Las Vegas Harry Reid Intl

Tue 4/21

11:35 am-12:46 am

1 stop10h 11m

Portland

Sun 5/3

6:30 am-6:28 pm

2 stops14h 58m

$322

Las VegasPortland

LAS - PWM

LASPWM

Las Vegas Harry Reid Intl

Tue 4/21

11:10 am-12:46 am

2 stops10h 36m

Portland

Wed 5/6

6:30 am-6:28 pm

2 stops14h 58m

$327

Las VegasPortland

LAS - PWM

LASPWM

Las Vegas Harry Reid Intl

Wed 5/6

6:55 pm-12:00 pm

2 stops14h 05m

Portland

Wed 5/20

2:38 pm-10:21 pm

1 stop10h 43m

$332

Las VegasPortland

LAS - PWM

LASPWM

Las Vegas Harry Reid Intl

Tue 4/14

12:30 am-2:11 pm

2 stops10h 41m

Portland

Wed 4/29

4:43 pm-11:14 pm

2 stops9h 31m

$337

Las VegasPortland

LAS - PWM

LASPWM

Las Vegas Harry Reid Intl

Thu 4/16

11:35 am-12:46 am

1 stop10h 11m

Portland

Sun 5/3

6:30 am-6:28 pm

2 stops14h 58m

$342

Las VegasPortland

LAS - PWM

LASPWM

Las Vegas Harry Reid Intl

Wed 4/15

11:54 pm-9:07 am

1 stop30h 13m

Portland

Fri 5/1

11:29 am-1:22 pm

2 stops28h 53m

$343

Las VegasPortland

LAS - PWM

LASPWM

Las Vegas Harry Reid Intl

Sat 4/18

11:07 pm-2:11 pm

2 stops12h 04m

Portland

Wed 4/29

6:30 am-6:28 pm

2 stops14h 58m

$347

Las VegasPortland

LAS - PWM

LASPWM

Las Vegas Harry Reid Intl

Tue 4/21

11:35 am-12:46 am

1 stop10h 11m

Portland

Sat 5/2

6:30 am-6:27 pm

2 stops14h 57m

$352

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 $405.

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

As of February 2026, 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

7h 31m

Direct flights

None
The fastest flight from Las Vegas to Portland, Maine takes 7h 31m
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 7h 31m.

  • 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 $175Free CancellationRating
7.9
8,242 reviews
Search Delta flights
United AirlinesPriceFrom $226Free CancellationRating
7.4
9,349 reviews
Search United Airlines flights
American AirlinesPriceFrom $272Free CancellationRating
7.2
11,357 reviews
Search American Airlines flights
SouthwestPriceFrom $414Free CancellationRating
8.0
4,301 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
Brunswick
Bartlett
Gorham
Auburn
Windham
Intervale
Bath
Oxford
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.
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