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Cheap flights from Portland, Maine to Las Vegas from $180

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 2/15. 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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Cheap round-trip flights

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Multiple Airlines Logo
9:46 am - 10:23 amPWM-LAS
27h 37m1 stop
Multiple Airlines Logo
10:20 pm - 10:36 amLAS-PWM
9h 16m1 stop
$284Multiple Airlines
Find Deal
Mon, Dec 8 - Fri, Dec 12
Multiple Airlines Logo
11:21 am - 10:23 amPWM-LAS
26h 02m2 stops
Multiple Airlines Logo
10:20 pm - 10:36 amLAS-PWM
9h 16m1 stop
$300Multiple Airlines
Find Deal
Mon, Dec 8 - Fri, Dec 12
Multiple Airlines Logo
9:46 am - 10:23 amPWM-LAS
27h 37m1 stop
Multiple Airlines Logo
10:32 pm - 10:41 amLAS-PWM
33h 09m2 stops
$315Multiple Airlines
Find Deal
Mon, Dec 8 - Sat, Dec 13
Delta Logo
6:30 am - 2:29 pmPWM-LAS
10h 59m1 stop
Delta Logo
6:59 pm - 12:00 pmLAS-PWM
14h 01m2 stops
$316Delta
Find Deal
Mon, Feb 23 - Fri, Feb 27
Multiple Airlines Logo
9:46 am - 10:23 amPWM-LAS
27h 37m1 stop
Multiple Airlines Logo
10:20 pm - 9:06 amLAS-PWM
31h 46m1 stop
$323Multiple Airlines
Find Deal
Mon, Dec 8 - Sat, Dec 13
Multiple Airlines Logo
9:46 am - 10:23 amPWM-LAS
27h 37m1 stop
Multiple Airlines Logo
10:20 pm - 9:06 amLAS-PWM
31h 46m1 stop
$329Multiple Airlines
Find Deal
Mon, Dec 8 - Wed, Dec 10
Delta Logo
12:20 pm - 8:55 pmPWM-LAS
11h 35m2 stops
Delta Logo
6:50 pm - 12:03 pmLAS-PWM
14h 13m2 stops
$331Delta
Find Deal
Thu, Jan 29 - Mon, Feb 2
United Airlines Logo
3:12 pm - 9:51 pmPWM-LAS
9h 39m1 stop
United Airlines Logo
8:05 am - 6:50 pmLAS-PWM
7h 45m1 stop
$335United Airlines
Find Deal
Thu, Jan 29 - Mon, Feb 2
United Airlines Logo
3:12 pm - 9:51 pmPWM-LAS
9h 39m1 stop
United Airlines Logo
12:30 am - 1:56 pmLAS-PWM
10h 26m2 stops
$340United Airlines
Find Deal
Thu, Jan 29 - Sun, Feb 1
Delta Logo
6:00 am - 2:08 pmPWM-LAS
11h 08m2 stops
Delta Logo
9:58 am - 11:22 pmLAS-PWM
10h 24m2 stops
$345Delta
Find Deal
Sat, Jan 10 - Wed, Jan 14

Delta flights from Portland, Maine to Las Vegas

Our best Delta deals on Portland, Maine to Las Vegas flight tickets
Delta
Feb 23
PWM6:30 amPortland
10h 59m
1 stop
LAS2:29 pmLas Vegas Harry Reid Intl
Feb 27
LAS6:59 pmLas Vegas Harry Reid Intl
14h 01m
2 stops
PWM12:00 pmPortland
$316
Find similar
Delta
Jan 29
PWM12:20 pmPortland
11h 35m
2 stops
LAS8:55 pmLas Vegas Harry Reid Intl
Feb 2
LAS6:50 pmLas Vegas Harry Reid Intl
14h 13m
2 stops
PWM12:03 pmPortland
$331
Find similar
Delta
Jan 10
PWM6:00 amPortland
11h 08m
2 stops
LAS2:08 pmLas Vegas Harry Reid Intl
Jan 14
LAS9:58 amLas Vegas Harry Reid Intl
10h 24m
2 stops
PWM11:22 pmPortland
$345
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
Jan 29
PWM3:58 pmPortland
9h 01m
1 stop
LAS9:59 pmLas Vegas Harry Reid Intl
Jan 31
LAS10:42 amLas Vegas Harry Reid Intl
9h 12m
1 stop
PWM10:54 pmPortland
$385
Find similar
American Airlines
Jan 29
PWM3:58 pmPortland
9h 01m
1 stop
LAS9:59 pmLas Vegas Harry Reid Intl
Feb 1
LAS10:59 pmLas Vegas Harry Reid Intl
10h 06m
1 stop
PWM12:05 pmPortland
$391
Find similar
American Airlines
Feb 22
PWM11:28 amPortland
12h 31m
2 stops
LAS8:59 pmLas Vegas Harry Reid Intl
Feb 26
LAS11:59 pmLas Vegas Harry Reid Intl
9h 14m
2 stops
PWM12:13 pmPortland
$413
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 November 26, 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 12/8

9:46 am-10:23 am

1 stop27h 37m

Las Vegas Harry Reid Intl

Fri 12/12

10:20 pm-10:36 am

1 stop9h 16m

$284

PortlandLas Vegas

PWM - LAS

PWMLAS

Portland

Mon 12/8

11:21 am-10:23 am

2 stops26h 02m

Las Vegas Harry Reid Intl

Fri 12/12

10:20 pm-10:36 am

1 stop9h 16m

$300

PortlandLas Vegas

PWM - LAS

PWMLAS

Portland

Mon 12/8

9:46 am-10:23 am

1 stop27h 37m

Las Vegas Harry Reid Intl

Sat 12/13

10:32 pm-10:41 am

2 stops33h 09m

$315

PortlandLas Vegas

PWM - LAS

PWMLAS

Portland

Mon 2/23

6:30 am-2:29 pm

1 stop10h 59m

Las Vegas Harry Reid Intl

Fri 2/27

6:59 pm-12:00 pm

2 stops14h 01m

$316

PortlandLas Vegas

PWM - LAS

PWMLAS

Portland

Mon 12/8

9:46 am-10:23 am

1 stop27h 37m

Las Vegas Harry Reid Intl

Sat 12/13

10:20 pm-9:06 am

1 stop31h 46m

$323

PortlandLas Vegas

PWM - LAS

PWMLAS

Portland

Mon 12/8

9:46 am-10:23 am

1 stop27h 37m

Las Vegas Harry Reid Intl

Wed 12/10

10:20 pm-9:06 am

1 stop31h 46m

$329

PortlandLas Vegas

PWM - LAS

PWMLAS

Portland

Thu 1/29

12:20 pm-8:55 pm

2 stops11h 35m

Las Vegas Harry Reid Intl

Mon 2/2

6:50 pm-12:03 pm

2 stops14h 13m

$331

PortlandLas Vegas

PWM - LAS

PWMLAS

Portland

Thu 1/29

3:12 pm-9:51 pm

1 stop9h 39m

Las Vegas Harry Reid Intl

Mon 2/2

8:05 am-6:50 pm

1 stop7h 45m

$335

PortlandLas Vegas

PWM - LAS

PWMLAS

Portland

Thu 1/29

3:12 pm-9:51 pm

1 stop9h 39m

Las Vegas Harry Reid Intl

Sun 2/1

12:30 am-1:56 pm

2 stops10h 26m

$340

PortlandLas Vegas

PWM - LAS

PWMLAS

Portland

Sat 1/10

6:00 am-2:08 pm

2 stops11h 08m

Las Vegas Harry Reid Intl

Wed 1/14

9:58 am-11:22 pm

2 stops10h 24m

$345

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 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.

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 $461 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 $386 on momondo.

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

As of November 2025, prices for Portland, Maine to Las Vegas flights are approximately 16% 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 45m

Direct flights

None
The fastest flight from Portland, Maine to Las Vegas takes 7h 45m
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 55m.

  • 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 $186Free CancellationRating
7.2
2,905 reviews
Search JetBlue flights
DeltaPriceFrom $272Free CancellationRating
7.9
8,004 reviews
Search Delta flights
American AirlinesPriceFrom $273Free CancellationRating
7.2
11,037 reviews
Search American Airlines flights
United AirlinesPriceFrom $331Free CancellationRating
7.4
9,050 reviews
Search United Airlines flights
SouthwestPriceFrom $356Free CancellationRating
8.0
4,254 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
Paradise
North Las Vegas
Kingman
Pahrump
Primm
Furnace Creek
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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