Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

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 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.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

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
2:40 pm - 7:31 pm
PWM
-
LAS
7h 51m
1 stop
JetBlue Logo
11:59 pm - 12:30 pm
LAS
-
PWM
9h 31m
1 stop
$266JetBlue
Wed, Aug 26 - Sat, Aug 29
Delta Logo
6:05 am - 12:10 pm
PWM
-
LAS
9h 05m
1 stop
Delta Logo
12:36 pm - 12:59 am
LAS
-
PWM
9h 23m
1 stop
$273Delta
Fri, Aug 28 - Sat, Sep 5
JetBlue Logo
2:40 pm - 7:28 pm
PWM
-
LAS
7h 48m
1 stop
JetBlue Logo
11:59 pm - 1:45 pm
LAS
-
PWM
10h 46m
1 stop
$314JetBlue
Sat, Aug 29 - Tue, Sep 1
American Airlines Logo
6:59 pm - 12:32 am
PWM
-
LAS
8h 33m
1 stop
American Airlines Logo
11:44 am - 10:33 pm
LAS
-
PWM
7h 49m
1 stop
$319American Airlines
Thu, Jul 9 - Wed, Jul 15
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
$325Delta
Sat, Jul 4 - Tue, Jul 7
American Airlines Logo
3:06 pm - 10:19 pm
PWM
-
LAS
10h 13m
1 stop
American Airlines Logo
10:09 pm - 10:31 am
LAS
-
PWM
9h 22m
1 stop
$327American Airlines
Thu, Sep 3 - Sun, Sep 6
American Airlines Logo
5:30 am - 11:19 am
PWM
-
LAS
8h 49m
1 stop
American Airlines Logo
11:50 pm - 11:38 am
LAS
-
PWM
8h 48m
1 stop
$328American Airlines
Fri, Aug 14 - Mon, Aug 17
United Airlines Logo
3:37 pm - 9:59 pm
PWM
-
LAS
9h 22m
1 stop
United Airlines Logo
12:34 pm - 11:32 pm
LAS
-
PWM
7h 58m
1 stop
$340United Airlines
Fri, Sep 4 - Tue, Sep 8
Delta Logo
12:40 pm - 7:54 pm
PWM
-
LAS
10h 14m
1 stop
Delta Logo
5:50 am - 4:01 pm
LAS
-
PWM
7h 11m
1 stop
$346Delta
Tue, Jul 28 - Fri, Jul 31
United Airlines Logo
5:03 pm - 10:52 pm
PWM
-
LAS
8h 49m
1 stop
United Airlines Logo
9:37 am - 9:23 pm
LAS
-
PWM
8h 46m
2 stops
$350United Airlines
Thu, Sep 3 - Sat, Sep 5

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

JetBlue flights from Portland, Maine to Las Vegas

Our best JetBlue deals on Portland, Maine to Las Vegas flight tickets
JetBlue
Aug 26
PWM2:40 pmPortland
7h 51m
1 stop
LAS7:31 pmLas Vegas Harry Reid Intl
Aug 29
LAS11:59 pmLas Vegas Harry Reid Intl
9h 31m
1 stop
PWM12:30 pmPortland
$266
JetBlue
Aug 15
PWM6:40 amPortland
21h 08m
1 stop
LAS12:48 amLas Vegas Harry Reid Intl
Aug 29
LAS11:59 pmLas Vegas Harry Reid Intl
9h 22m
1 stop
PWM12:21 pmPortland
$353
JetBlue
Jul 29
PWM2:40 pmPortland
13h 09m
1 stop
LAS12:49 amLas Vegas Harry Reid Intl
Aug 1
LAS11:59 pmLas Vegas Harry Reid Intl
9h 17m
1 stop
PWM12:16 pmPortland
$377

Southwest flights from Portland, Maine to Las Vegas

Our best Southwest deals on Portland, Maine to Las Vegas flight tickets
Southwest
Aug 19
PWM5:45 amPortland
10h 15m
2 stops
LAS1:00 pmLas Vegas Harry Reid Intl
Aug 22
LAS6:35 amLas Vegas Harry Reid Intl
11h 25m
1 stop
PWM9:00 pmPortland
$356
Southwest
Aug 19
PWM5:45 amPortland
9h 30m
1 stop
LAS12:15 pmLas Vegas Harry Reid Intl
Aug 22
LAS7:30 amLas Vegas Harry Reid Intl
10h 30m
2 stops
PWM9:00 pmPortland
$370
Southwest
Aug 19
PWM5:45 amPortland
10h 15m
2 stops
LAS1:00 pmLas Vegas Harry Reid Intl
Aug 22
LAS7:30 amLas Vegas Harry Reid Intl
10h 30m
2 stops
PWM9:00 pmPortland
$375

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 June 23, 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

Wed 8/26

2:40 pm-7:31 pm

1 stop7h 51m

Las Vegas Harry Reid Intl

Sat 8/29

11:59 pm-12:30 pm

1 stop9h 31m

$266

PortlandLas Vegas

PWM - LAS

PWMLAS

Portland

Fri 8/28

6:05 am-12:10 pm

1 stop9h 05m

Las Vegas Harry Reid Intl

Sat 9/5

12:36 pm-12:59 am

1 stop9h 23m

$273

PortlandLas Vegas

PWM - LAS

PWMLAS

Portland

Sat 8/29

2:40 pm-7:28 pm

1 stop7h 48m

Las Vegas Harry Reid Intl

Tue 9/1

11:59 pm-1:45 pm

1 stop10h 46m

$314
Quickest round-trip

PortlandLas Vegas

PWM - LAS

PWMLAS

Portland

Thu 7/9

6:59 pm-12:32 am

1 stop8h 33m

Las Vegas Harry Reid Intl

Wed 7/15

11:44 am-10:33 pm

1 stop7h 49m

$319

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

10:41 am-11:14 pm

1 stop9h 33m

$325

PortlandLas Vegas

PWM - LAS

PWMLAS

Portland

Thu 9/3

3:06 pm-10:19 pm

1 stop10h 13m

Las Vegas Harry Reid Intl

Sun 9/6

10:09 pm-10:31 am

1 stop9h 22m

$327

PortlandLas Vegas

PWM - LAS

PWMLAS

Portland

Fri 8/14

5:30 am-11:19 am

1 stop8h 49m

Las Vegas Harry Reid Intl

Mon 8/17

11:50 pm-11:38 am

1 stop8h 48m

$328

PortlandLas Vegas

PWM - LAS

PWMLAS

Portland

Fri 9/4

3:37 pm-9:59 pm

1 stop9h 22m

Las Vegas Harry Reid Intl

Tue 9/8

12:34 pm-11:32 pm

1 stop7h 58m

$340

PortlandLas Vegas

PWM - LAS

PWMLAS

Portland

Tue 7/28

12:40 pm-7:54 pm

1 stop10h 14m

Las Vegas Harry Reid Intl

Fri 7/31

5:50 am-4:01 pm

1 stop7h 11m

$346

PortlandLas Vegas

PWM - LAS

PWMLAS

Portland

Thu 9/3

5:03 pm-10:52 pm

1 stop8h 49m

Las Vegas Harry Reid Intl

Sat 9/5

9:37 am-9:23 pm

2 stops8h 46m

$350

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 $378. The month of July is another great option to travel to Las Vegas, with average flight prices from Portland, Maine averaging around $418.

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 $491 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 $407 on momondo.

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

As of June 2026, prices for Portland, Maine to Las Vegas flights are approximately 14% 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 50m

Direct flights

None
The fastest flight from Portland, Maine to Las Vegas takes 7h 50m
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 50m.

  • 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
3,001 reviews
Search JetBlue flights
DeltaPriceFrom $272Free CancellationRating
7.8
8,424 reviews
Search Delta flights
American AirlinesPriceFrom $272Free CancellationRating
7.1
11,746 reviews
Search American Airlines flights
United AirlinesPriceFrom $291Free CancellationRating
7.4
9,878 reviews
Search United Airlines flights
SouthwestPriceFrom $354Free CancellationRating
7.9
4,242 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
Paradise
Henderson
North Las Vegas
Kingman
Mesquite
Sunrise Manor
Pahrump
Furnace Creek
Primm
Boulder City
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.

An easier way to manage your Las Vegas trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Thu 7/23
Thu 7/30
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States