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Cheap flights from Las Vegas to Portland 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 Las Vegas to Portland departing on 12/10. 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

JetBlue Logo
11:59 pm - 10:02 pmLAS-PWM
19h 03m1 stop
JetBlue Logo
2:17 pm - 9:22 pmPWM-LAS
10h 05m1 stop
$254JetBlue
Find Deal
Thu, Sep 4 - Wed, Sep 10
Delta Logo
12:35 am - 10:42 amLAS-PWM
7h 07m1 stop
Delta Logo
2:36 pm - 10:18 pmPWM-LAS
10h 42m1 stop
$273Delta
Find Deal
Tue, Sep 2 - Wed, Sep 10
Delta Logo
12:35 am - 10:42 amLAS-PWM
7h 07m1 stop
Delta Logo
1:39 pm - 10:21 pmPWM-LAS
11h 42m2 stops
$278Delta
Find Deal
Tue, Sep 2 - Wed, Sep 10
American Airlines Logo
6:00 am - 8:11 pmLAS-PWM
11h 11m2 stops
American Airlines Logo
1:02 pm - 7:29 pmPWM-LAS
9h 27m2 stops
$283American Airlines
Find Deal
Wed, Sep 3 - Wed, Sep 10
American Airlines Logo
11:44 am - 11:44 pmLAS-PWM
9h 00m1 stop
American Airlines Logo
6:00 am - 10:45 amPWM-LAS
7h 45m1 stop
$303American Airlines
Find Deal
Tue, Aug 26 - Thu, Sep 4
Sun Country Air Logo
6:28 pm - 11:40 amLAS-PWM
14h 12m1 stop
Sun Country Air Logo
12:54 pm - 10:37 pmPWM-LAS
12h 43m1 stop
$375Sun Country Air
Find Deal
Thu, Aug 21 - Thu, Aug 28
United Airlines Logo
11:56 am - 11:14 pmLAS-PWM
8h 18m1 stop
United Airlines Logo
6:00 am - 12:31 pmPWM-LAS
9h 31m1 stop
$377United Airlines
Find Deal
Fri, Aug 15 - Tue, Aug 19
United Airlines Logo
12:59 am - 2:26 pmLAS-PWM
10h 27m2 stops
United Airlines Logo
3:35 pm - 8:37 pmPWM-LAS
8h 02m1 stop
$408United Airlines
Find Deal
Mon, Aug 25 - Thu, Sep 4
Southwest Logo
11:30 am - 11:20 pmLAS-PWM
8h 50m2 stops
Southwest Logo
5:50 am - 12:45 pmPWM-LAS
9h 55m2 stops
$436Southwest
Find Deal
Thu, Sep 25 - Mon, Sep 29
Southwest Logo
11:30 am - 11:20 pmLAS-PWM
8h 50m2 stops
Southwest Logo
8:25 am - 4:50 pmPWM-LAS
11h 25m1 stop
$437Southwest
Find Deal
Thu, Sep 25 - Mon, Sep 29

Southwest flights from Las Vegas to Portland, Maine

Our best Southwest deals on Las Vegas to Portland, Maine flight tickets
Southwest
Sep 25
LAS11:30 amLas Vegas Harry Reid Intl
8h 50m
2 stops
PWM11:20 pmPortland
Sep 29
PWM5:50 amPortland
9h 55m
2 stops
LAS12:45 pmLas Vegas Harry Reid Intl
$436
Find similar
Southwest
Sep 25
LAS11:30 amLas Vegas Harry Reid Intl
8h 50m
2 stops
PWM11:20 pmPortland
Sep 29
PWM8:25 amPortland
11h 25m
1 stop
LAS4:50 pmLas Vegas Harry Reid Intl
$437
Find similar
Southwest
Oct 1
LAS8:40 amLas Vegas Harry Reid Intl
10h 45m
2 stops
PWM10:25 pmPortland
Oct 12
PWM5:30 amPortland
11h 10m
2 stops
LAS1:40 pmLas Vegas Harry Reid Intl
$558
Find similar

JetBlue flights from Las Vegas to Portland, Maine

Our best JetBlue deals on Las Vegas to Portland, Maine flight tickets
JetBlue
Sep 4
LAS11:59 pmLas Vegas Harry Reid Intl
19h 03m
1 stop
PWM10:02 pmPortland
Sep 10
PWM2:17 pmPortland
10h 05m
1 stop
LAS9:22 pmLas Vegas Harry Reid Intl
$254
Find similar
JetBlue
Sep 25
LAS7:00 amLas Vegas Harry Reid Intl
12h 07m
1 stop
PWM10:07 pmPortland
Sep 29
PWM2:17 pmPortland
10h 05m
1 stop
LAS9:22 pmLas Vegas Harry Reid Intl
$287
Find similar
JetBlue
Sep 29
LAS11:59 pmLas Vegas Harry Reid Intl
10h 23m
1 stop
PWM1:22 pmPortland
Oct 8
PWM2:17 pmPortland
9h 55m
1 stop
LAS9:12 pmLas Vegas Harry Reid Intl
$331
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Las Vegas to Portland, Maine 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 1, 2025.
Use the filters below to find and compare flights from Las Vegas to Portland, Maine that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Las VegasPortland

LAS - PWM

LASPWM

Las Vegas Harry Reid Intl

Thu 9/4

11:59 pm-10:02 pm

1 stop19h 03m

Portland

Wed 9/10

2:17 pm-9:22 pm

1 stop10h 05m

$254

Las VegasPortland

LAS - PWM

LASPWM

Las Vegas Harry Reid Intl

Tue 9/2

12:35 am-10:42 am

1 stop7h 07m

Portland

Wed 9/10

2:36 pm-10:18 pm

1 stop10h 42m

$273

Las VegasPortland

LAS - PWM

LASPWM

Las Vegas Harry Reid Intl

Tue 9/2

12:35 am-10:42 am

1 stop7h 07m

Portland

Wed 9/10

1:39 pm-10:21 pm

2 stops11h 42m

$278

Las VegasPortland

LAS - PWM

LASPWM

Las Vegas Harry Reid Intl

Wed 9/3

6:00 am-8:11 pm

2 stops11h 11m

Portland

Wed 9/10

1:02 pm-7:29 pm

2 stops9h 27m

$283

Las VegasPortland

LAS - PWM

LASPWM

Las Vegas Harry Reid Intl

Tue 8/26

11:44 am-11:44 pm

1 stop9h 00m

Portland

Thu 9/4

6:00 am-10:45 am

1 stop7h 45m

$303

Las VegasPortland

LAS - PWM

LASPWM

Las Vegas Harry Reid Intl

Thu 8/21

6:28 pm-11:40 am

1 stop14h 12m

Portland

Thu 8/28

12:54 pm-10:37 pm

1 stop12h 43m

$375

Las VegasPortland

LAS - PWM

LASPWM

Las Vegas Harry Reid Intl

Fri 8/15

11:56 am-11:14 pm

1 stop8h 18m

Portland

Tue 8/19

6:00 am-12:31 pm

1 stop9h 31m

$377

Las VegasPortland

LAS - PWM

LASPWM

Las Vegas Harry Reid Intl

Mon 8/25

12:59 am-2:26 pm

2 stops10h 27m

Portland

Thu 9/4

3:35 pm-8:37 pm

1 stop8h 02m

$408

Las VegasPortland

LAS - PWM

LASPWM

Las Vegas Harry Reid Intl

Thu 9/25

11:30 am-11:20 pm

2 stops8h 50m

Portland

Mon 9/29

5:50 am-12:45 pm

2 stops9h 55m

$436

Las VegasPortland

LAS - PWM

LASPWM

Las Vegas Harry Reid Intl

Thu 9/25

11:30 am-11:20 pm

2 stops8h 50m

Portland

Mon 9/29

8:25 am-4:50 pm

1 stop11h 25m

$437

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 Portland from

How to get the cheapest flight ticket from Las Vegas to Portland, Maine

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 Portland, Maine?

The cheapest month to fly to Portland, Maine from Las Vegas is in January. Flight prices, which tend to average around $303, are often lower during this time because this is during the off-season. If you aren’t able to travel to Portland, Maine during the month of January, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $404.

What is the cheapest day to depart on your flight to Portland, Maine?

On average, the least expensive day to fly to Portland, Maine from Las Vegas is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $418. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Friday is the most expensive day to depart from Las Vegas because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $604.

What is the cheapest time of day to depart on your flight to Portland, Maine?

At noon is the cheapest time of day to fly from Las Vegas to Portland, Maine when you can find flight prices for as low as $431. Flying to Portland, Maine at noon is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the morning because they tend to be around $504. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

As of August 2025, prices for Las Vegas to Portland, Maine flights are approximately 31% cheaper when compared to flights at the same time last year.

When to book flights from Las Vegas to Portland, Maine

Are you open to changing your travel dates? Check out the ideal times to fly from Las Vegas to Portland, Maine according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Las Vegas to Portland, Maine (LAS to PWM) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Las Vegas to Portland, Maine

Best Price Found

$137

Fastest flight time

6h 55m

Direct flights

None

Airports in Portland, Maine

1 airport
The best one-way flight to Portland, Maine from Las Vegas in the past 72 hours is $137. The best round-trip flight deal from Las Vegas to Portland, Maine found on momondo in the last 72 hours is $254.
The fastest flight from Las Vegas to Portland, Maine takes 6h 55m
There are no direct flights from Las Vegas to Portland, Maine. Popular non-direct route for this connection is Las Vegas Harry Reid Intl Airport - Portland Airport.
There is 1 airport near Portland, Maine: Portland (PWM)
Search flight deals

  • How far is Las Vegas Harry Reid Intl to Portland by plane?

    The straight-line distance from Las Vegas Harry Reid Intl to Portland is 2401.8 mi. In terms of flight time, this usually takes a little over 6h 55m.

  • When did momondo last update prices for flights from Las Vegas Harry Reid Intl Airport to Portland Airport?

    Prices for flights from Las Vegas Harry Reid Intl Airport to Portland Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Las Vegas Harry Reid Intl Airport to Portland Airport?

  • How old do you have to be to fly from Las Vegas Harry Reid Intl Airport to Portland Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Las Vegas Harry Reid Intl Airport to Portland Airport.

  • What documentation or ID do you need to fly to Portland Airport?

    The necessary travel and health documents for your Portland Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Las Vegas to Portland, Maine?

Best airlines flying from Las Vegas to Portland, Maine

Compare and see reviews for airlines that fly from Las Vegas to Portland, Maine with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $188Free CancellationRating
8.0
7,981 reviews
Search Delta flights
United AirlinesPriceFrom $226Free CancellationRating
7.4
8,900 reviews
Search United Airlines flights
American AirlinesPriceFrom $272Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
SouthwestPriceFrom $412Free CancellationRating
8.0
4,246 reviews
Search Southwest flights

Traveling to a place near Portland?

Book flights to Portland if you plan to visit one of these locations
North Conway
Boothbay Harbor
Jackson
Conway
Freeport
Bartlett
Lewiston
Gorham
Brunswick
Auburn
Intervale
Windham
Falmouth
Bath
Georgetown
Oxford
Tamworth

Why use momondo?

Why should I use momondo to find a flight deal from Las Vegas to Portland?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Portland from Las Vegas.

Can I find flights from Las Vegas to Portland with flexible booking policies on momondo?

Yes. All flights to Portland from Las Vegas on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Las Vegas to Portland?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Las Vegas to Portland.

I’m not ready to book a flight from Las Vegas to Portland right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Las Vegas to Portland now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Portland and let you know when they change.

An easier way to manage your Portland, Maine 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.
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