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Cheap flights from Portland, Maine to Las Vegas from $178

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 7/16. 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 Portland, Maine to Las Vegas

Cheap round-trip flights

Enter your travel dates to find the best prices.
JetBlue Logo
2:18 pm - 10:49 pm
PWM
-
LAS
11h 31m
1 stop
JetBlue Logo
10:30 am - 11:36 pm
LAS
-
PWM
10h 06m
1 stop
$265JetBlue
Tue, May 5 - Tue, May 12
JetBlue Logo
2:18 pm - 7:38 pm
PWM
-
LAS
8h 20m
1 stop
JetBlue Logo
11:59 pm - 1:23 pm
LAS
-
PWM
10h 24m
1 stop
$340JetBlue
Tue, May 5 - Tue, May 26
Delta Logo
2:35 pm - 10:29 pm
PWM
-
LAS
10h 54m
1 stop
Delta Logo
6:59 pm - 12:00 pm
LAS
-
PWM
14h 01m
2 stops
$345Delta
Thu, Feb 26 - Tue, Mar 3
United Airlines Logo
6:04 am - 11:14 am
PWM
-
LAS
8h 10m
1 stop
United Airlines Logo
9:00 am - 9:40 pm
LAS
-
PWM
9h 40m
1 stop
$363United Airlines
Wed, Apr 1 - Tue, Apr 7
Delta Logo
2:30 pm - 10:03 pm
PWM
-
LAS
10h 33m
1 stop
Delta Logo
6:59 pm - 11:55 am
LAS
-
PWM
13h 56m
2 stops
$365Delta
Tue, Mar 31 - Tue, Apr 14
American Airlines Logo
5:40 pm - 12:25 am
PWM
-
LAS
9h 45m
1 stop
American Airlines Logo
1:19 pm - 11:50 pm
LAS
-
PWM
7h 31m
1 stop
$367American Airlines
Wed, Feb 18 - Wed, Feb 25
United Airlines Logo
6:04 am - 11:14 am
PWM
-
LAS
8h 10m
1 stop
United Airlines Logo
8:00 am - 9:40 pm
LAS
-
PWM
10h 40m
2 stops
$368United Airlines
Wed, Apr 1 - Tue, Apr 7
Delta Logo
6:03 am - 3:30 pm
PWM
-
LAS
12h 27m
2 stops
Delta Logo
6:59 pm - 11:55 am
LAS
-
PWM
13h 56m
2 stops
$371Delta
Tue, Mar 31 - Tue, Apr 14
American Airlines Logo
5:40 pm - 10:58 pm
PWM
-
LAS
8h 18m
1 stop
American Airlines Logo
8:00 pm - 10:25 am
LAS
-
PWM
11h 25m
2 stops
$372American Airlines
Wed, Feb 18 - Wed, Feb 25
American Airlines Logo
5:07 pm - 12:25 am
PWM
-
LAS
10h 18m
2 stops
American Airlines Logo
10:07 am - 11:50 pm
LAS
-
PWM
10h 43m
2 stops
$378American Airlines
Wed, Feb 18 - Wed, Feb 25

JetBlue flights from Portland, Maine to Las Vegas

Our best JetBlue deals on Portland, Maine to Las Vegas flight tickets
JetBlue
May 5
PWM2:18 pmPortland
11h 31m
1 stop
LAS10:49 pmLas Vegas Harry Reid Intl
May 12
LAS10:30 amLas Vegas Harry Reid Intl
10h 06m
1 stop
PWM11:36 pmPortland
$265
JetBlue
May 4
PWM2:18 pmPortland
8h 20m
1 stop
LAS7:38 pmLas Vegas Harry Reid Intl
May 8
LAS11:59 pmLas Vegas Harry Reid Intl
10h 24m
1 stop
PWM1:23 pmPortland
$340
JetBlue
Jan 26
PWM3:45 pmPortland
10h 04m
1 stop
LAS10:49 pmLas Vegas Harry Reid Intl
Jan 30
LAS9:45 pmLas Vegas Harry Reid Intl
13h 04m
1 stop
PWM1:49 pmPortland
$689

Southwest flights from Portland, Maine to Las Vegas

Our best Southwest deals on Portland, Maine to Las Vegas flight tickets
Southwest
Mar 5
PWM12:35 pmPortland
10h 55m
1 stop
LAS8:30 pmLas Vegas Harry Reid Intl
Mar 9
LAS11:40 pmLas Vegas Harry Reid Intl
9h 15m
2 stops
PWM11:55 amPortland
$398
Southwest
Apr 8
PWM3:55 pmPortland
9h 55m
2 stops
LAS10:50 pmLas Vegas Harry Reid Intl
Apr 15
LAS11:45 pmLas Vegas Harry Reid Intl
9h 25m
2 stops
PWM12:10 pmPortland
$404
Southwest
Mar 8
PWM5:30 pmPortland
9h 25m
1 stop
LAS11:55 pmLas Vegas Harry Reid Intl
Mar 12
LAS6:40 amLas Vegas Harry Reid Intl
7h 05m
1 stop
PWM4:45 pmPortland
$420

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 January 21, 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

PortlandLas Vegas

PWM - LAS

PWMLAS

Portland

Tue 5/5

2:18 pm-10:49 pm

1 stop11h 31m

Las Vegas Harry Reid Intl

Tue 5/12

10:30 am-11:36 pm

1 stop10h 06m

$265

PortlandLas Vegas

PWM - LAS

PWMLAS

Portland

Tue 5/5

2:18 pm-7:38 pm

1 stop8h 20m

Las Vegas Harry Reid Intl

Tue 5/26

11:59 pm-1:23 pm

1 stop10h 24m

$340

PortlandLas Vegas

PWM - LAS

PWMLAS

Portland

Thu 2/26

2:35 pm-10:29 pm

1 stop10h 54m

Las Vegas Harry Reid Intl

Tue 3/3

6:59 pm-12:00 pm

2 stops14h 01m

$345

PortlandLas Vegas

PWM - LAS

PWMLAS

Portland

Wed 4/1

6:04 am-11:14 am

1 stop8h 10m

Las Vegas Harry Reid Intl

Tue 4/7

9:00 am-9:40 pm

1 stop9h 40m

$363

PortlandLas Vegas

PWM - LAS

PWMLAS

Portland

Tue 3/31

2:30 pm-10:03 pm

1 stop10h 33m

Las Vegas Harry Reid Intl

Tue 4/14

6:59 pm-11:55 am

2 stops13h 56m

$365

PortlandLas Vegas

PWM - LAS

PWMLAS

Portland

Wed 2/18

5:40 pm-12:25 am

1 stop9h 45m

Las Vegas Harry Reid Intl

Wed 2/25

1:19 pm-11:50 pm

1 stop7h 31m

$367

PortlandLas Vegas

PWM - LAS

PWMLAS

Portland

Wed 4/1

6:04 am-11:14 am

1 stop8h 10m

Las Vegas Harry Reid Intl

Tue 4/7

8:00 am-9:40 pm

2 stops10h 40m

$368

PortlandLas Vegas

PWM - LAS

PWMLAS

Portland

Tue 3/31

6:03 am-3:30 pm

2 stops12h 27m

Las Vegas Harry Reid Intl

Tue 4/14

6:59 pm-11:55 am

2 stops13h 56m

$371

PortlandLas Vegas

PWM - LAS

PWMLAS

Portland

Wed 2/18

5:40 pm-10:58 pm

1 stop8h 18m

Las Vegas Harry Reid Intl

Wed 2/25

8:00 pm-10:25 am

2 stops11h 25m

$372

PortlandLas Vegas

PWM - LAS

PWMLAS

Portland

Wed 2/18

5:07 pm-12:25 am

2 stops10h 18m

Las Vegas Harry Reid Intl

Wed 2/25

10:07 am-11:50 pm

2 stops10h 43m

$378

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 cheapest month to fly to Las Vegas?

The month of August is, on average, the cheapest month to fly to Las Vegas from Portland, Maine, with most prices found around $332. The month of October 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 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 $480 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 $379 on momondo.

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

As of January 2026, prices for Portland, Maine to Las Vegas flights are approximately 2% more expensive 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 31m

Direct flights

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

  • 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 31m.

  • 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 $166Free CancellationRating
7.2
2,890 reviews
Search JetBlue flights
American AirlinesPriceFrom $272Free CancellationRating
7.2
11,174 reviews
Search American Airlines flights
DeltaPriceFrom $272Free CancellationRating
7.9
8,089 reviews
Search Delta flights
United AirlinesPriceFrom $331Free CancellationRating
7.4
9,191 reviews
Search United Airlines flights
SouthwestPriceFrom $356Free CancellationRating
8.0
4,266 reviews
Search Southwest flights

Traveling to a place near Las Vegas?

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