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Cheap flights from Portland, Maine to Las Vegas from $169

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 9/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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
6:00 am - 12:56 pmPWM  Portland-LAS Las Vegas Harry Reid Intl
9h 56m1 stop New York John F Kennedy Intl
JetBlue Logo
11:08 am - 11:54 pmLAS  Las Vegas Harry Reid Intl-PWM Portland
9h 46m1 stop New York John F Kennedy Intl
$337JetBlue
Wed, Sep 9 - Tue, Sep 15
JetBlue Logo
6:00 am - 12:56 pmPWM  Portland-LAS Las Vegas Harry Reid Intl
9h 56m1 stop New York John F Kennedy Intl
JetBlue Logo
11:08 am - 11:54 pmLAS  Las Vegas Harry Reid Intl-PWM Portland
9h 46m1 stop New York John F Kennedy Intl
$337JetBlue
Wed, Sep 16 - Wed, Sep 23
American Airlines Logo
5:18 pm - 10:29 pmPWM  Portland-LAS Las Vegas Harry Reid Intl
8h 11m1 stop Charlotte Douglas
American Airlines Logo
11:50 pm - 1:05 pmLAS  Las Vegas Harry Reid Intl-PWM Portland
10h 15m1 stop Chicago O'Hare Intl
$363American Airlines
Thu, Sep 17 - Mon, Sep 21
American Airlines Logo
12:04 pm - 5:12 pmPWM  Portland-LAS Las Vegas Harry Reid Intl
8h 08m1 stop Chicago O'Hare Intl
American Airlines Logo
12:08 am - 11:59 amLAS  Las Vegas Harry Reid Intl-PWM Portland
8h 51m1 stop Chicago O'Hare Intl
$363American Airlines
Tue, Nov 3 - Fri, Nov 6
Delta Logo
4:03 pm - 12:21 amPWM  Portland-LAS Las Vegas Harry Reid Intl
11h 18m1 stop New York John F Kennedy Intl
Delta Logo
6:00 am - 3:58 pmLAS  Las Vegas Harry Reid Intl-PWM Portland
6h 58m1 stop Detroit Metropolitan Wayne County
$363Delta
Sat, Nov 21 - Wed, Nov 25
Delta Logo
4:20 pm - 10:23 pmPWM  Portland-LAS Las Vegas Harry Reid Intl
9h 03m1 stop New York John F Kennedy Intl
Delta Logo
12:00 pm - 11:28 pmLAS  Las Vegas Harry Reid Intl-PWM Portland
8h 28m1 stop Atlanta Hartsfield-Jackson
$363Delta
Fri, Sep 25 - Wed, Sep 30
Southwest Logo
5:30 pm - 12:05 amPWM  Portland-LAS Las Vegas Harry Reid Intl
9h 35m1 stop Baltimore/Washington
Southwest Logo
7:30 pm - 10:55 amLAS  Las Vegas Harry Reid Intl-PWM Portland
12h 25m1 stop Chicago Midway
$368Southwest
Fri, Oct 2 - Mon, Oct 5
Southwest Logo
10:25 am - 5:15 pmPWM  Portland-LAS Las Vegas Harry Reid Intl
9h 50m1 stop Baltimore/Washington
Southwest Logo
12:20 am - 1:05 pmLAS  Las Vegas Harry Reid Intl-PWM Portland
9h 45m2 stops Chicago Midway Baltimore/Washington
$368Southwest
Wed, Dec 9 - Thu, Dec 10
United Airlines Logo
6:00 am - 11:18 amPWM  Portland-LAS Las Vegas Harry Reid Intl
8h 18m1 stop Newark
United Airlines Logo
11:50 pm - 10:40 amLAS  Las Vegas Harry Reid Intl-PWM Portland
7h 50m1 stop Chicago O'Hare Intl
$375United Airlines
Wed, Sep 30 - Sat, Oct 3
United Airlines Logo
8:45 am - 2:58 pmPWM  Portland-LAS Las Vegas Harry Reid Intl
9h 13m1 stop Chicago O'Hare Intl
United Airlines Logo
10:55 pm - 9:00 amLAS  Las Vegas Harry Reid Intl-PWM Portland
7h 05m1 stop Newark
$375United Airlines
Sat, Nov 21 - Wed, Nov 25

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United Airlines flights from Portland, Maine to Las Vegas

Our best United Airlines deals on Portland, Maine to Las Vegas flight tickets
United Airlines
Sep 9
PWM3:43 pmPortland
10h 37m
2 stops
LAS11:20 pmLas Vegas Harry Reid Intl
Sep 15
LAS7:15 amLas Vegas Harry Reid Intl
7h 39m
1 stop
PWM5:54 pmPortland
$380
United Airlines
Sep 15
PWM6:00 amPortland
10h 07m
1 stop
LAS1:07 pmLas Vegas Harry Reid Intl
Sep 21
LAS11:08 pmLas Vegas Harry Reid Intl
7h 00m
1 stop
PWM9:08 amPortland
$394
United Airlines
Aug 30
PWM6:00 amPortland
8h 23m
1 stop
LAS11:23 amLas Vegas Harry Reid Intl
Sep 2
LAS9:37 amLas Vegas Harry Reid Intl
8h 46m
2 stops
PWM9:23 pmPortland
$415

Delta flights from Portland, Maine to Las Vegas

Our best Delta deals on Portland, Maine to Las Vegas flight tickets
Delta
Dec 9
PWM6:00 amPortland
11h 15m
1 stop
LAS2:15 pmLas Vegas Harry Reid Intl
Dec 11
LAS12:15 pmLas Vegas Harry Reid Intl
8h 40m
1 stop
PWM11:55 pmPortland
$363
Delta
Sep 15
PWM4:20 pmPortland
9h 03m
1 stop
LAS10:23 pmLas Vegas Harry Reid Intl
Sep 19
LAS12:40 amLas Vegas Harry Reid Intl
7h 05m
1 stop
PWM10:45 amPortland
$410
Delta
Nov 7
PWM4:47 pmPortland
7h 17m
1 stop
LAS9:04 pmLas Vegas Harry Reid Intl
Nov 14
LAS5:56 pmLas Vegas Harry Reid Intl
16h 07m
2 stops
PWM1:03 pmPortland
$442

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 8, 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 Portland - LAS Las Vegas Harry Reid Intl

PWMLAS

Portland

Wed 9/9

6:00 am-12:56 pm

1 stop9h 56m

Las Vegas Harry Reid Intl

Tue 9/15

11:08 am-11:54 pm

1 stop9h 46m

$337

PortlandLas Vegas

PWM Portland - LAS Las Vegas Harry Reid Intl

PWMLAS

Portland

Wed 9/16

6:00 am-12:56 pm

1 stop9h 56m

Las Vegas Harry Reid Intl

Wed 9/23

11:08 am-11:54 pm

1 stop9h 46m

$337

PortlandLas Vegas

PWM Portland - LAS Las Vegas Harry Reid Intl

PWMLAS

Portland

Thu 9/17

5:18 pm-10:29 pm

1 stop8h 11m

Las Vegas Harry Reid Intl

Mon 9/21

11:50 pm-1:05 pm

1 stop10h 15m

$363

PortlandLas Vegas

PWM Portland - LAS Las Vegas Harry Reid Intl

PWMLAS

Portland

Tue 11/3

12:04 pm-5:12 pm

1 stop8h 08m

Las Vegas Harry Reid Intl

Fri 11/6

12:08 am-11:59 am

1 stop8h 51m

$363

PortlandLas Vegas

PWM Portland - LAS Las Vegas Harry Reid Intl

PWMLAS

Portland

Sat 11/21

4:03 pm-12:21 am

1 stop11h 18m

Las Vegas Harry Reid Intl

Wed 11/25

6:00 am-3:58 pm

1 stop6h 58m

$363

PortlandLas Vegas

PWM Portland - LAS Las Vegas Harry Reid Intl

PWMLAS

Portland

Fri 9/25

4:20 pm-10:23 pm

1 stop9h 03m

Las Vegas Harry Reid Intl

Wed 9/30

12:00 pm-11:28 pm

1 stop8h 28m

$363

PortlandLas Vegas

PWM Portland - LAS Las Vegas Harry Reid Intl

PWMLAS

Portland

Fri 10/2

5:30 pm-12:05 am

1 stop9h 35m

Las Vegas Harry Reid Intl

Mon 10/5

7:30 pm-10:55 am

1 stop12h 25m

$368

PortlandLas Vegas

PWM Portland - LAS Las Vegas Harry Reid Intl

PWMLAS

Portland

Wed 12/9

10:25 am-5:15 pm

1 stop9h 50m

Las Vegas Harry Reid Intl

Thu 12/10

12:20 am-1:05 pm

2 stops9h 45m

$368
Quickest round-trip

PortlandLas Vegas

PWM Portland - LAS Las Vegas Harry Reid Intl

PWMLAS

Portland

Wed 9/30

6:00 am-11:18 am

1 stop8h 18m

Las Vegas Harry Reid Intl

Sat 10/3

11:50 pm-10:40 am

1 stop7h 50m

$375

PortlandLas Vegas

PWM Portland - LAS Las Vegas Harry Reid Intl

PWMLAS

Portland

Sat 11/21

8:45 am-2:58 pm

1 stop9h 13m

Las Vegas Harry Reid Intl

Wed 11/25

10:55 pm-9:00 am

1 stop7h 05m

$375

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?

Prices are currently low for flights on this route.

Typical prices usually range from $364 to $509.
The lowest price recently found on this route was $337.

What is the cheapest month to fly to Las Vegas?

The month of July is, on average, the cheapest month to fly to Las Vegas from Portland, Maine, with most prices found around $398. The month of October is another great option to travel to Las Vegas, with average flight prices from Portland, Maine averaging around $415.

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 $496 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 $424 on momondo.

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

As of August 2026, prices for Portland, Maine to Las Vegas flights are approximately 11% 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

Fastest flight time

7h 33m

Direct flights

None
The fastest flight from Portland, Maine to Las Vegas takes 7h 33m
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 33m.

  • 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
3,024 reviews
Search JetBlue flights
DeltaPriceFrom $256Free CancellationRating
7.8
8,502 reviews
Search Delta flights
American AirlinesPriceFrom $282Free CancellationRating
7.1
11,877 reviews
Search American Airlines flights
United AirlinesPriceFrom $291Free CancellationRating
7.4
10,084 reviews
Search United Airlines flights
SouthwestPriceFrom $380Free CancellationRating
8.0
4,217 reviews
Search Southwest flights

  • United Airlines Flights From Portland, Maine to Las Vegas

    United Airlines operates around 2 flights from Portland, Maine to Las Vegas every week. The average price of these flights found in the last 72 hours has been $488, but momondo users have found United Airlines deals from Portland, Maine to Las Vegas from as low as $291 round-trip. United Airlines has been scored 7.4/10 in 10,084 reviews.

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
Boulder City
Winchester
Primm
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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