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Cheap flights from Portland, Maine to Las Vegas from $137

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 9/16. 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 (PWM-LAS)

Cheap round-trip flights

JetBlue Logo
2:17 pm - 9:22 pmPWM-LAS
10h 05m1 stop
JetBlue Logo
11:59 pm - 1:22 pmLAS-PWM
10h 23m1 stop
$239JetBlue
Find Deal
Mon, Sep 15 - Tue, Sep 23
JetBlue Logo
7:09 am - 2:33 pmPWM-LAS
10h 24m1 stop
JetBlue Logo
11:59 pm - 1:22 pmLAS-PWM
10h 23m1 stop
$267JetBlue
Find Deal
Tue, Sep 16 - Tue, Sep 23
Delta Logo
2:41 pm - 10:20 pmPWM-LAS
10h 39m1 stop
Delta Logo
1:23 pm - 12:11 amLAS-PWM
7h 48m1 stop
$273Delta
Find Deal
Sat, Sep 13 - Tue, Sep 23
JetBlue Logo
2:17 pm - 9:22 pmPWM-LAS
10h 05m1 stop
JetBlue Logo
11:59 pm - 1:21 pmLAS-PWM
10h 22m1 stop
$276JetBlue
Find Deal
Mon, Sep 15 - Mon, Sep 22
Delta Logo
5:00 pm - 9:24 pmPWM-LAS
7h 24m1 stop
Delta Logo
11:53 pm - 2:01 pmLAS-PWM
11h 08m2 stops
$278Delta
Find Deal
Tue, Sep 16 - Tue, Sep 23
American Airlines Logo
1:57 pm - 9:05 pmPWM-LAS
10h 08m1 stop
American Airlines Logo
6:00 am - 4:17 pmLAS-PWM
7h 17m1 stop
$281American Airlines
Find Deal
Wed, Sep 3 - Sat, Sep 6
Delta Logo
2:41 pm - 10:20 pmPWM-LAS
10h 39m1 stop
Delta Logo
11:35 am - 12:11 amLAS-PWM
9h 36m1 stop
$283Delta
Find Deal
Tue, Sep 16 - Wed, Sep 24
American Airlines Logo
3:30 pm - 10:08 pmPWM-LAS
9h 38m1 stop
American Airlines Logo
11:59 pm - 11:28 amLAS-PWM
8h 29m1 stop
$299American Airlines
Find Deal
Sat, Oct 25 - Thu, Oct 30
American Airlines Logo
6:15 am - 12:05 pmPWM-LAS
8h 50m1 stop
American Airlines Logo
11:20 pm - 12:29 pmLAS-PWM
10h 09m1 stop
$306American Airlines
Find Deal
Wed, Sep 24 - Sun, Sep 28
American Airlines Logo
4:15 pm - 11:55 pmPWM-LAS
10h 40m1 stop
American Airlines Logo
1:10 am - 11:14 amLAS-PWM
7h 04m1 stop
$310American Airlines
Find Deal
Wed, Oct 8 - Mon, Oct 13

Delta flights from Portland, Maine to Las Vegas

Our best Delta deals on Portland, Maine to Las Vegas flight tickets
Delta
Sep 13
PWM2:41 pmPortland
10h 39m
1 stop
LAS10:20 pmLas Vegas Harry Reid Intl
Sep 23
LAS1:23 pmLas Vegas Harry Reid Intl
7h 48m
1 stop
PWM12:11 amPortland
$273
Find similar
Delta
Sep 16
PWM5:00 pmPortland
7h 24m
1 stop
LAS9:24 pmLas Vegas Harry Reid Intl
Sep 23
LAS11:53 pmLas Vegas Harry Reid Intl
11h 08m
2 stops
PWM2:01 pmPortland
$278
Find similar
Delta
Sep 16
PWM2:41 pmPortland
10h 39m
1 stop
LAS10:20 pmLas Vegas Harry Reid Intl
Sep 24
LAS11:35 amLas Vegas Harry Reid Intl
9h 36m
1 stop
PWM12:11 amPortland
$283
Find similar

American Airlines flights from Portland, Maine to Las Vegas

Our best American Airlines deals on Portland, Maine to Las Vegas flight tickets
American Airlines
Sep 3
PWM1:57 pmPortland
10h 08m
1 stop
LAS9:05 pmLas Vegas Harry Reid Intl
Sep 6
LAS6:00 amLas Vegas Harry Reid Intl
7h 17m
1 stop
PWM4:17 pmPortland
$281
Find similar
American Airlines
Oct 25
PWM3:30 pmPortland
9h 38m
1 stop
LAS10:08 pmLas Vegas Harry Reid Intl
Oct 30
LAS11:59 pmLas Vegas Harry Reid Intl
8h 29m
1 stop
PWM11:28 amPortland
$299
Find similar
American Airlines
Sep 24
PWM6:15 amPortland
8h 50m
1 stop
LAS12:05 pmLas Vegas Harry Reid Intl
Sep 28
LAS11:20 pmLas Vegas Harry Reid Intl
10h 09m
1 stop
PWM12:29 pmPortland
$306
Find similar

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 August 14, 2025.
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

Mon 9/15

2:17 pm-9:22 pm

1 stop10h 05m

Las Vegas Harry Reid Intl

Tue 9/23

11:59 pm-1:22 pm

1 stop10h 23m

$239

PortlandLas Vegas

PWM - LAS

PWMLAS

Portland

Tue 9/16

7:09 am-2:33 pm

1 stop10h 24m

Las Vegas Harry Reid Intl

Tue 9/23

11:59 pm-1:22 pm

1 stop10h 23m

$267

PortlandLas Vegas

PWM - LAS

PWMLAS

Portland

Sat 9/13

2:41 pm-10:20 pm

1 stop10h 39m

Las Vegas Harry Reid Intl

Tue 9/23

1:23 pm-12:11 am

1 stop7h 48m

$273

PortlandLas Vegas

PWM - LAS

PWMLAS

Portland

Mon 9/15

2:17 pm-9:22 pm

1 stop10h 05m

Las Vegas Harry Reid Intl

Mon 9/22

11:59 pm-1:21 pm

1 stop10h 22m

$276

PortlandLas Vegas

PWM - LAS

PWMLAS

Portland

Tue 9/16

5:00 pm-9:24 pm

1 stop7h 24m

Las Vegas Harry Reid Intl

Tue 9/23

11:53 pm-2:01 pm

2 stops11h 08m

$278

PortlandLas Vegas

PWM - LAS

PWMLAS

Portland

Wed 9/3

1:57 pm-9:05 pm

1 stop10h 08m

Las Vegas Harry Reid Intl

Sat 9/6

6:00 am-4:17 pm

1 stop7h 17m

$281

PortlandLas Vegas

PWM - LAS

PWMLAS

Portland

Tue 9/16

2:41 pm-10:20 pm

1 stop10h 39m

Las Vegas Harry Reid Intl

Wed 9/24

11:35 am-12:11 am

1 stop9h 36m

$283

PortlandLas Vegas

PWM - LAS

PWMLAS

Portland

Sat 10/25

3:30 pm-10:08 pm

1 stop9h 38m

Las Vegas Harry Reid Intl

Thu 10/30

11:59 pm-11:28 am

1 stop8h 29m

$299

PortlandLas Vegas

PWM - LAS

PWMLAS

Portland

Wed 9/24

6:15 am-12:05 pm

1 stop8h 50m

Las Vegas Harry Reid Intl

Sun 9/28

11:20 pm-12:29 pm

1 stop10h 09m

$306

PortlandLas Vegas

PWM - LAS

PWMLAS

Portland

Wed 10/8

4:15 pm-11:55 pm

1 stop10h 40m

Las Vegas Harry Reid Intl

Mon 10/13

1:10 am-11:14 am

1 stop7h 04m

$310

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 September is, on average, the cheapest month to fly to Las Vegas from Portland, Maine, with most prices found around $397. The month of August is another great option to travel to Las Vegas, with average flight prices from Portland, Maine averaging around $426.

What is the cheapest day to depart on your flight to Las Vegas?

Our data shows that Tuesday is the least expensive day to fly to Las Vegas. Tickets to fly out on this day can be as low as $456. Flights from Portland, Maine to Las Vegas on a Monday will generally be more expensive and average around $582. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Las Vegas?

The cheapest time of day to fly to Las Vegas is in the evening when flights can be purchased for as low as $286. Flights to Las Vegas are more costly in the afternoon, with an average ticket price of $534. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

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 $475 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 $421 on momondo.

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

As of August 2025, prices for Portland, Maine to Las Vegas flights are approximately 28% 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

Best Price Found

$137

Fastest flight time

7h 24m

Direct flights

None

Airports in Las Vegas

1 airport
The best one-way flight to Las Vegas from Portland, Maine in the past 72 hours is $137. The best round-trip flight deal from Portland, Maine to Las Vegas found on momondo in the last 72 hours is $239.
The fastest flight from Portland, Maine to Las Vegas takes 7h 24m
There are no direct flights from Portland, Maine to Las Vegas. Popular non-direct route for this connection is Portland Airport - Las Vegas Harry Reid Intl Airport.
There is 1 airport near Las Vegas: Las Vegas Harry Reid Intl (LAS)
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 24m.

  • 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 plane model from Portland, Maine to Las Vegas?

  • 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 $201Free CancellationRating
7.2
2,914 reviews
Search JetBlue flights
DeltaPriceFrom $272Free CancellationRating
8.0
7,980 reviews
Search Delta flights
American AirlinesPriceFrom $311Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $350Free CancellationRating
7.4
8,916 reviews
Search United Airlines flights
SouthwestPriceFrom $373Free CancellationRating
8.0
4,244 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
Mesquite
North Las Vegas
Paradise
Kingman
Pahrump
Primm
Furnace Creek
Boulder City
Winchester
Sunrise Manor
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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