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Cheap flights from Portland, Maine to Las Vegas from $158

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Portland, Maine to Las Vegas departing on 6/23. 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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Find the cheapest flights from Portland, Maine to Las Vegas

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
2:51 pm - 8:24 pm
PWM
-
LAS
8h 33m
1 stop
Delta Logo
10:41 am - 11:14 pm
LAS
-
PWM
9h 33m
1 stop
$315Delta
Sat, Jul 4 - Wed, Jul 8
Delta Logo
2:51 pm - 8:24 pm
PWM
-
LAS
8h 33m
1 stop
Delta Logo
9:59 am - 11:30 pm
LAS
-
PWM
10h 31m
2 stops
$320Delta
Sat, Jul 4 - Tue, Jul 7
American Airlines Logo
2:24 pm - 10:40 pm
PWM
-
LAS
11h 16m
1 stop
American Airlines Logo
5:00 am - 4:46 pm
LAS
-
PWM
8h 46m
1 stop
$322American Airlines
Fri, May 29 - Sun, May 31
Delta Logo
6:00 am - 1:37 pm
PWM
-
LAS
10h 37m
2 stops
Delta Logo
7:05 am - 11:30 pm
LAS
-
PWM
13h 25m
2 stops
$325Delta
Sat, Jul 4 - Tue, Jul 7
American Airlines Logo
2:24 pm - 9:42 pm
PWM
-
LAS
10h 18m
2 stops
American Airlines Logo
5:00 am - 4:46 pm
LAS
-
PWM
8h 46m
1 stop
$327American Airlines
Fri, May 29 - Sun, May 31
Multiple Airlines Logo
9:52 am - 11:39 pm
PWM
-
LAS
16h 47m
1 stop
Multiple Airlines Logo
12:29 am - 4:16 pm
LAS
-
PWM
12h 47m
2 stops
$330Multiple Airlines
Sat, May 23 - Fri, May 29
American Airlines Logo
6:01 pm - 12:14 am
PWM
-
LAS
9h 13m
1 stop
American Airlines Logo
5:00 am - 4:46 pm
LAS
-
PWM
8h 46m
1 stop
$335American Airlines
Wed, May 20 - Thu, May 28
American Airlines Logo
6:01 pm - 12:14 am
PWM
-
LAS
9h 13m
1 stop
American Airlines Logo
12:37 pm - 11:51 pm
LAS
-
PWM
8h 14m
1 stop
$336American Airlines
Wed, May 20 - Thu, May 28
American Airlines Logo
6:01 pm - 11:08 pm
PWM
-
LAS
8h 07m
1 stop
American Airlines Logo
12:37 pm - 11:51 pm
LAS
-
PWM
8h 14m
1 stop
$338American Airlines
Wed, May 20 - Thu, May 28
American Airlines Logo
6:01 pm - 12:14 am
PWM
-
LAS
9h 13m
1 stop
American Airlines Logo
12:37 pm - 11:51 pm
LAS
-
PWM
8h 14m
1 stop
$340American Airlines
Wed, May 20 - Thu, May 28

Delta flights from Portland, Maine to Las Vegas

Our best Delta deals on Portland, Maine to Las Vegas flight tickets
Delta
Jul 4
PWM2:51 pmPortland
8h 33m
1 stop
LAS8:24 pmLas Vegas Harry Reid Intl
Jul 8
LAS10:41 amLas Vegas Harry Reid Intl
9h 33m
1 stop
PWM11:14 pmPortland
$315
Delta
Jul 4
PWM2:51 pmPortland
8h 33m
1 stop
LAS8:24 pmLas Vegas Harry Reid Intl
Jul 7
LAS9:59 amLas Vegas Harry Reid Intl
10h 31m
2 stops
PWM11:30 pmPortland
$320
Delta
Aug 28
PWM12:50 pmPortland
12h 54m
2 stops
LAS10:44 pmLas Vegas Harry Reid Intl
Sep 5
LAS11:05 pmLas Vegas Harry Reid Intl
11h 49m
2 stops
PWM1:54 pmPortland
$325

American Airlines flights from Portland, Maine to Las Vegas

Our best American Airlines deals on Portland, Maine to Las Vegas flight tickets
American Airlines
May 29
PWM2:24 pmPortland
11h 16m
1 stop
LAS10:40 pmLas Vegas Harry Reid Intl
May 31
LAS5:00 amLas Vegas Harry Reid Intl
8h 46m
1 stop
PWM4:46 pmPortland
$322
American Airlines
May 29
PWM2:24 pmPortland
10h 18m
2 stops
LAS9:42 pmLas Vegas Harry Reid Intl
May 31
LAS5:00 amLas Vegas Harry Reid Intl
8h 46m
1 stop
PWM4:46 pmPortland
$327
American Airlines
May 20
PWM6:01 pmPortland
8h 07m
1 stop
LAS11:08 pmLas Vegas Harry Reid Intl
May 28
LAS5:00 amLas Vegas Harry Reid Intl
8h 46m
1 stop
PWM4:46 pmPortland
$335

momondo Fare Finder

 
Customize your flight search to find flights from Portland, Maine to Las Vegas 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 April 29, 2026.
Use the filters below to find and compare flights from Portland, Maine to Las Vegas that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandLas Vegas

PWM - LAS

PWMLAS

Portland

Sat 7/4

2:51 pm-8:24 pm

1 stop8h 33m

Las Vegas Harry Reid Intl

Wed 7/8

10:41 am-11:14 pm

1 stop9h 33m

$315

PortlandLas Vegas

PWM - LAS

PWMLAS

Portland

Sat 7/4

2:51 pm-8:24 pm

1 stop8h 33m

Las Vegas Harry Reid Intl

Tue 7/7

9:59 am-11:30 pm

2 stops10h 31m

$320

PortlandLas Vegas

PWM - LAS

PWMLAS

Portland

Fri 5/29

2:24 pm-10:40 pm

1 stop11h 16m

Las Vegas Harry Reid Intl

Sun 5/31

5:00 am-4:46 pm

1 stop8h 46m

$322

PortlandLas Vegas

PWM - LAS

PWMLAS

Portland

Sat 7/4

6:00 am-1:37 pm

2 stops10h 37m

Las Vegas Harry Reid Intl

Tue 7/7

7:05 am-11:30 pm

2 stops13h 25m

$325

PortlandLas Vegas

PWM - LAS

PWMLAS

Portland

Fri 5/29

2:24 pm-9:42 pm

2 stops10h 18m

Las Vegas Harry Reid Intl

Sun 5/31

5:00 am-4:46 pm

1 stop8h 46m

$327

PortlandLas Vegas

PWM - LAS

PWMLAS

Portland

Sat 5/23

9:52 am-11:39 pm

1 stop16h 47m

Las Vegas Harry Reid Intl

Fri 5/29

12:29 am-4:16 pm

2 stops12h 47m

$330

PortlandLas Vegas

PWM - LAS

PWMLAS

Portland

Wed 5/20

6:01 pm-12:14 am

1 stop9h 13m

Las Vegas Harry Reid Intl

Thu 5/28

5:00 am-4:46 pm

1 stop8h 46m

$335

PortlandLas Vegas

PWM - LAS

PWMLAS

Portland

Wed 5/20

6:01 pm-12:14 am

1 stop9h 13m

Las Vegas Harry Reid Intl

Thu 5/28

12:37 pm-11:51 pm

1 stop8h 14m

$336
Quickest round-trip

PortlandLas Vegas

PWM - LAS

PWMLAS

Portland

Wed 5/20

6:01 pm-11:08 pm

1 stop8h 07m

Las Vegas Harry Reid Intl

Thu 5/28

12:37 pm-11:51 pm

1 stop8h 14m

$338

PortlandLas Vegas

PWM - LAS

PWMLAS

Portland

Wed 5/20

6:01 pm-12:14 am

1 stop9h 13m

Las Vegas Harry Reid Intl

Thu 5/28

12:37 pm-11:51 pm

1 stop8h 14m

$340

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 Las Vegas from

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

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 typical price of a round-trip flight between Portland, Maine and Las Vegas?

What is the cheapest month to fly to Las Vegas?

The month of October is, on average, the cheapest month to fly to Las Vegas from Portland, Maine, with most prices found around $371. The month of August is another great option to travel to Las Vegas, with average flight prices from Portland, Maine averaging around $384.

How far in advance should I book a flight from Portland, Maine to Las Vegas?

You are more likely to see cheaper flights to Las Vegas from Portland, Maine when booking weeks ahead of your departure date. In general, you can expect to find flights to Las Vegas for around $479 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Las Vegas from Portland, Maine for as low as $400 on momondo.

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

As of April 2026, prices for Portland, Maine to Las Vegas flights are approximately 32% cheaper when compared to flights at the same time last year.

When to book flights from Portland, Maine to Las Vegas

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

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

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

Fastest flight time

7h 37m

Direct flights

None
The fastest flight from Portland, Maine to Las Vegas takes 7h 37m
There are no direct flights from Portland, Maine to Las Vegas. There are no popular flight routes from Portland, Maine to Las Vegas.
Search flight deals

Frequently asked questions about flying from Portland, Maine to Las Vegas

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

    Portland and Las Vegas Harry Reid Intl are 2401.8 mi apart from one another. In terms of flight time, this usually takes a little over 7h 37m.

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

    Prices for flights from Portland Airport to Las Vegas Harry Reid Intl Airport refresh daily.

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Portland Airport to Las Vegas Harry Reid Intl Airport.

  • What documentation or ID do you need to fly to Las Vegas Harry Reid Intl Airport?

    The travel and health documents required for your trip to Las Vegas Harry Reid Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Las Vegas Harry Reid Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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

Best airlines flying from Portland, Maine to Las Vegas

Compare and see reviews for airlines that fly from Portland, Maine to Las Vegas with momondo
Airline
Rating
Free Cancellation
Price
JetBluePriceFrom $172Free CancellationRating
7.1
2,968 reviews
Search JetBlue flights
American AirlinesPriceFrom $272Free CancellationRating
7.1
11,678 reviews
Search American Airlines flights
DeltaPriceFrom $272Free CancellationRating
7.9
8,465 reviews
Search Delta flights
United AirlinesPriceFrom $304Free CancellationRating
7.4
9,680 reviews
Search United Airlines flights
SouthwestPriceFrom $343Free CancellationRating
8.0
4,314 reviews
Search Southwest flights

  • United Airlines Flights From Portland, Maine to Las Vegas

    United Airlines operates around 3 flights from Portland, Maine to Las Vegas every week. The average price of these flights found in the last 72 hours has been $488, but momondo users have found United Airlines deals from Portland, Maine to Las Vegas from as low as $304 round-trip. United Airlines has been scored 7.4/10 in 9,680 reviews.

Traveling to a place near Las Vegas?

Book flights to Las Vegas if you plan to visit one of these locations
Laughlin
Mount Charleston
Paradise
Henderson
North Las Vegas
Mesquite
Kingman
Pahrump
Furnace Creek
Boulder City
Primm
Sunrise Manor
Winchester
Needles

Why use momondo?

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

Finding the right flight to Las Vegas from Portland is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Las Vegas quick and easy, saving you time and money.

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

All flight searches from Portland to Las Vegas on momondo can be filtered to show those which offer flexible booking policies.

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

momondo provides multiple filters to help you find the best flight to Las Vegas from Portland. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes momondo offers price alerts on flights to Las Vegas from Portland. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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