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Cheap flights from Portland, Maine to Las Vegas from $138

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 4/28. 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.
Delta Logo
2:35 pm - 9:56 pm
PWM
-
LAS
10h 21m
1 stop
Delta Logo
11:30 am - 11:59 pm
LAS
-
PWM
9h 29m
1 stop
$295Delta
Sat, Jul 4 - Thu, Jul 9
Delta Logo
6:00 am - 5:52 pm
PWM
-
LAS
14h 52m
2 stops
Delta Logo
11:30 am - 11:59 pm
LAS
-
PWM
9h 29m
1 stop
$300Delta
Sat, Jul 4 - Thu, Jul 9
Delta Logo
11:42 am - 10:07 pm
PWM
-
LAS
13h 25m
2 stops
Delta Logo
12:30 am - 2:11 pm
LAS
-
PWM
10h 41m
2 stops
$305Delta
Wed, Apr 22 - Tue, Apr 28
JetBlue Logo
4:51 pm - 11:59 pm
PWM
-
LAS
10h 08m
1 stop
JetBlue Logo
4:30 pm - 11:58 pm
LAS
-
PWM
28h 28m
1 stop
$307JetBlue
Wed, Apr 1 - Tue, Apr 7
Multiple Airlines Logo
11:07 am - 10:29 pm
PWM
-
LAS
14h 22m
1 stop
Multiple Airlines Logo
11:59 pm - 9:12 am
LAS
-
PWM
30h 13m
1 stop
$321Multiple Airlines
Wed, Jun 3 - Sat, Jun 6
JetBlue Logo
4:51 pm - 12:12 am
PWM
-
LAS
10h 21m
1 stop
JetBlue Logo
6:30 am - 10:59 pm
LAS
-
PWM
13h 29m
1 stop
$327JetBlue
Wed, Apr 8 - Tue, Apr 14
Delta Logo
2:51 pm - 9:57 pm
PWM
-
LAS
10h 06m
1 stop
Delta Logo
3:30 pm - 2:11 pm
LAS
-
PWM
19h 41m
1 stop
$329Delta
Wed, Apr 22 - Tue, Apr 28
JetBlue Logo
6:00 am - 11:59 am
PWM
-
LAS
8h 59m
1 stop
JetBlue Logo
12:25 pm - 11:56 pm
LAS
-
PWM
8h 31m
1 stop
$330JetBlue
Tue, Jun 2 - Thu, Jun 4
JetBlue Logo
4:30 pm - 12:12 am
PWM
-
LAS
10h 42m
1 stop
JetBlue Logo
12:23 pm - 10:59 pm
LAS
-
PWM
7h 36m
1 stop
$345JetBlue
Sat, Apr 11 - Wed, Apr 15
JetBlue Logo
4:39 pm - 11:31 pm
PWM
-
LAS
9h 52m
1 stop
JetBlue Logo
11:59 pm - 11:56 pm
LAS
-
PWM
20h 57m
1 stop
$355JetBlue
Mon, Mar 23 - Tue, Mar 31

Southwest flights from Portland, Maine to Las Vegas

Our best Southwest deals on Portland, Maine to Las Vegas flight tickets
Southwest
Mar 25
PWM4:30 pmPortland
10h 35m
2 stops
LAS12:05 amLas Vegas Harry Reid Intl
Mar 31
LAS11:55 pmLas Vegas Harry Reid Intl
9h 00m
2 stops
PWM11:55 amPortland
$387
Southwest
Apr 13
PWM2:50 pmPortland
11h 15m
2 stops
LAS11:05 pmLas Vegas Harry Reid Intl
Apr 18
LAS10:45 amLas Vegas Harry Reid Intl
9h 40m
2 stops
PWM11:25 pmPortland
$389
Southwest
Apr 9
PWM2:50 pmPortland
11h 30m
1 stop
LAS11:20 pmLas Vegas Harry Reid Intl
Apr 13
LAS10:15 pmLas Vegas Harry Reid Intl
11h 05m
1 stop
PWM12:20 pmPortland
$390

Delta flights from Portland, Maine to Las Vegas

Our best Delta deals on Portland, Maine to Las Vegas flight tickets
Delta
Jul 4
PWM2:35 pmPortland
10h 21m
1 stop
LAS9:56 pmLas Vegas Harry Reid Intl
Jul 9
LAS11:30 amLas Vegas Harry Reid Intl
9h 29m
1 stop
PWM11:59 pmPortland
$295
Delta
Jul 4
PWM6:00 amPortland
14h 52m
2 stops
LAS5:52 pmLas Vegas Harry Reid Intl
Jul 9
LAS11:30 amLas Vegas Harry Reid Intl
9h 29m
1 stop
PWM11:59 pmPortland
$300
Delta
Apr 22
PWM11:42 amPortland
13h 25m
2 stops
LAS10:07 pmLas Vegas Harry Reid Intl
Apr 28
LAS12:30 amLas Vegas Harry Reid Intl
10h 41m
2 stops
PWM2:11 pmPortland
$305

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 March 7, 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

2:35 pm-9:56 pm

1 stop10h 21m

Las Vegas Harry Reid Intl

Thu 7/9

11:30 am-11:59 pm

1 stop9h 29m

$295

PortlandLas Vegas

PWM - LAS

PWMLAS

Portland

Sat 7/4

6:00 am-5:52 pm

2 stops14h 52m

Las Vegas Harry Reid Intl

Thu 7/9

11:30 am-11:59 pm

1 stop9h 29m

$300

PortlandLas Vegas

PWM - LAS

PWMLAS

Portland

Wed 4/22

11:42 am-10:07 pm

2 stops13h 25m

Las Vegas Harry Reid Intl

Tue 4/28

12:30 am-2:11 pm

2 stops10h 41m

$305

PortlandLas Vegas

PWM - LAS

PWMLAS

Portland

Wed 4/1

4:51 pm-11:59 pm

1 stop10h 08m

Las Vegas Harry Reid Intl

Tue 4/7

4:30 pm-11:58 pm

1 stop28h 28m

$307

PortlandLas Vegas

PWM - LAS

PWMLAS

Portland

Wed 6/3

11:07 am-10:29 pm

1 stop14h 22m

Las Vegas Harry Reid Intl

Sat 6/6

11:59 pm-9:12 am

1 stop30h 13m

$321

PortlandLas Vegas

PWM - LAS

PWMLAS

Portland

Wed 4/8

4:51 pm-12:12 am

1 stop10h 21m

Las Vegas Harry Reid Intl

Tue 4/14

6:30 am-10:59 pm

1 stop13h 29m

$327

PortlandLas Vegas

PWM - LAS

PWMLAS

Portland

Wed 4/22

2:51 pm-9:57 pm

1 stop10h 06m

Las Vegas Harry Reid Intl

Tue 4/28

3:30 pm-2:11 pm

1 stop19h 41m

$329
Quickest round-trip

PortlandLas Vegas

PWM - LAS

PWMLAS

Portland

Tue 6/2

6:00 am-11:59 am

1 stop8h 59m

Las Vegas Harry Reid Intl

Thu 6/4

12:25 pm-11:56 pm

1 stop8h 31m

$330

PortlandLas Vegas

PWM - LAS

PWMLAS

Portland

Sat 4/11

4:30 pm-12:12 am

1 stop10h 42m

Las Vegas Harry Reid Intl

Wed 4/15

12:23 pm-10:59 pm

1 stop7h 36m

$345

PortlandLas Vegas

PWM - LAS

PWMLAS

Portland

Mon 3/23

4:39 pm-11:31 pm

1 stop9h 52m

Las Vegas Harry Reid Intl

Tue 3/31

11:59 pm-11:56 pm

1 stop20h 57m

$355

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 $379. 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 $483 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 $370 on momondo.

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

As of March 2026, prices for Portland, Maine to Las Vegas flights are approximately 21% 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 $168Free CancellationRating
7.2
2,898 reviews
Search JetBlue flights
American AirlinesPriceFrom $272Free CancellationRating
7.1
11,397 reviews
Search American Airlines flights
DeltaPriceFrom $272Free CancellationRating
7.9
8,269 reviews
Search Delta flights
United AirlinesPriceFrom $324Free CancellationRating
7.4
9,405 reviews
Search United Airlines flights
SouthwestPriceFrom $354Free CancellationRating
8.0
4,314 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
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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