What is the cheapest airline that flies from Las Vegas Harry Reid Intl to Portland?

Southwest, United Airlines, and American Airlines are the most popular carriers operating from Las Vegas Harry Reid Intl to Portland

What airlines fly to Portland, Maine?

JetBlue, Delta and American Airlines are the top three most popular airlines that fly to Portland, Maine from Las Vegas according to our data. JetBlue is the first choice among our users, with 54% of people opting to fly with this airline when traveling to Portland, Maine. Keep in mind that there are 6 different airlines that fly to Portland, Maine on a routine basis, so you have a few additional options to choose from.

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?

As of November 2026, there are 3 operators available to choose from 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.

$139 Cheap Flights from Las Vegas to Portland, Maine in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Las Vegas to Portland

Round-trip

One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

12:34 pm - 11:26 pmLAS Las Vegas Harry Reid Intl-PWM Portland

7h 52m1 stop Atlanta Hartsfield-Jackson

3:10 pm - 9:58 pmPWM Portland-LAS Las Vegas Harry Reid Intl

9h 48m1 stop New York John F Kennedy Intl

$361Delta

Thu, Jan 7 - Mon, Jan 11

11:25 am - 9:50 pmLAS Las Vegas Harry Reid Intl-PWM Portland

7h 25m1 stop Baltimore/Washington

5:30 am - 2:40 pmPWM Portland-LAS Las Vegas Harry Reid Intl

12h 10m2 stops Baltimore/Washington Detroit Metropolitan Wayne County

$366Southwest

Thu, Jan 7 - Mon, Jan 11

12:58 pm - 11:24 pmLAS Las Vegas Harry Reid Intl-PWM Portland

7h 26m1 stop Newark

9:51 am - 3:09 pmPWM Portland-LAS Las Vegas Harry Reid Intl

8h 18m1 stop Chicago O'Hare Intl

$371United Airlines

Thu, Dec 10 - Sun, Dec 13

12:10 am - 12:15 pmLAS Las Vegas Harry Reid Intl-PWM Portland

9h 05m2 stops Chicago Midway Baltimore/Washington

5:30 am - 2:40 pmPWM Portland-LAS Las Vegas Harry Reid Intl

12h 10m2 stops Baltimore/Washington Detroit Metropolitan Wayne County

$371Southwest

Wed, Jan 6 - Mon, Jan 11

10:20 pm - 10:30 amLAS Las Vegas Harry Reid Intl-PWM Portland

9h 10m1 stop Baltimore/Washington

11:10 am - 6:20 pmPWM Portland-LAS Las Vegas Harry Reid Intl

10h 10m2 stops Baltimore/Washington Austin Bergstrom

$376Southwest

Thu, Dec 10 - Sun, Dec 13

10:40 pm - 9:04 amLAS Las Vegas Harry Reid Intl-PWM Portland

7h 24m1 stop Newark

3:14 pm - 9:53 pmPWM Portland-LAS Las Vegas Harry Reid Intl

9h 39m1 stop Newark

$491United Airlines

Thu, Jan 7 - Mon, Jan 11

7:00 am - 11:32 pmLAS Las Vegas Harry Reid Intl-PWM Portland

13h 32m2 stops Chicago O'Hare Intl Newark

3:14 pm - 9:53 pmPWM Portland-LAS Las Vegas Harry Reid Intl

9h 39m1 stop Newark

$496United Airlines

Thu, Jan 7 - Mon, Jan 11

12:10 am - 11:56 amLAS Las Vegas Harry Reid Intl-PWM Portland

8h 46m1 stop Chicago O'Hare Intl

11:07 am - 6:41 pmPWM Portland-LAS Las Vegas Harry Reid Intl

10h 34m1 stop Philadelphia

$505American Airlines

Wed, Nov 18 - Sun, Nov 22

9:20 am - 10:52 pmLAS Las Vegas Harry Reid Intl-PWM Portland

10h 32m2 stops Phoenix Sky Harbor Intl Charlotte Douglas

6:00 am - 11:32 amPWM Portland-LAS Las Vegas Harry Reid Intl

8h 32m1 stop Philadelphia

$617American Airlines

Thu, Nov 19 - Sun, Nov 22

8:18 am - 10:59 pmLAS Las Vegas Harry Reid Intl-PWM Portland

11h 41m2 stops Chicago O'Hare Intl Philadelphia

5:30 am - 8:06 pmPWM Portland-LAS Las Vegas Harry Reid Intl

17h 36m1 stop Charlotte Douglas

$816American Airlines

Sun, Dec 20 - Wed, Dec 30

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United Airlines flights from Las Vegas to Portland, Maine

Our best United Airlines deals on Las Vegas to Portland, Maine flight tickets

United Airlines

Dec 10

LAS12:58 pmLas Vegas Harry Reid Intl

7h 26m

1 stop

PWM11:24 pmPortland

Dec 13

PWM9:51 amPortland

8h 18m

1 stop

LAS3:09 pmLas Vegas Harry Reid Intl

$371

United Airlines

Jan 7

LAS10:40 pmLas Vegas Harry Reid Intl

7h 24m

1 stop

PWM9:04 amPortland

Jan 11

PWM3:14 pmPortland

9h 39m

1 stop

LAS9:53 pmLas Vegas Harry Reid Intl

$491

United Airlines

Jan 7

LAS7:00 amLas Vegas Harry Reid Intl

13h 32m

2 stops

PWM11:32 pmPortland

Jan 11

PWM3:14 pmPortland

9h 39m

1 stop

LAS9:53 pmLas Vegas Harry Reid Intl

$496

Southwest flights from Las Vegas to Portland, Maine

Our best Southwest deals on Las Vegas to Portland, Maine flight tickets

Southwest

Jan 7

LAS11:25 amLas Vegas Harry Reid Intl

7h 25m

1 stop

PWM9:50 pmPortland

Jan 11

PWM5:30 amPortland

12h 10m

2 stops

LAS2:40 pmLas Vegas Harry Reid Intl

$366

Southwest

Dec 10

LAS10:20 pmLas Vegas Harry Reid Intl

9h 10m

1 stop

PWM10:30 amPortland

Dec 13

PWM11:10 amPortland

10h 10m

2 stops

LAS6:20 pmLas Vegas Harry Reid Intl

$376

Southwest

Dec 10

LAS10:55 pmLas Vegas Harry Reid Intl

11h 10m

2 stops

PWM1:05 pmPortland

Dec 13

PWM5:10 pmPortland

9h 35m

2 stops

LAS11:45 pmLas Vegas Harry Reid Intl

$391

momondo Fare Finder

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

Cheapest round-trip

Las VegasPortland

LAS Las Vegas Harry Reid Intl - PWM Portland

LASPWM

Las Vegas Harry Reid Intl

Thu 1/7

12:34 pm-11:26 pm

1 stop7h 52m

Portland

Mon 1/11

3:10 pm-9:58 pm

1 stop9h 48m

$361

Las VegasPortland

LAS Las Vegas Harry Reid Intl - PWM Portland

LASPWM

Las Vegas Harry Reid Intl

Thu 1/7

11:25 am-9:50 pm

1 stop7h 25m

Portland

Mon 1/11

5:30 am-2:40 pm

2 stops12h 10m

$366

Quickest round-trip

Las VegasPortland

LAS Las Vegas Harry Reid Intl - PWM Portland

LASPWM

Las Vegas Harry Reid Intl

Thu 12/10

12:58 pm-11:24 pm

1 stop7h 26m

Portland

Sun 12/13

9:51 am-3:09 pm

1 stop8h 18m

$371

Las VegasPortland

LAS Las Vegas Harry Reid Intl - PWM Portland

LASPWM

Las Vegas Harry Reid Intl

Wed 1/6

12:10 am-12:15 pm

2 stops9h 05m

Portland

Mon 1/11

5:30 am-2:40 pm

2 stops12h 10m

$371

Las VegasPortland

LAS Las Vegas Harry Reid Intl - PWM Portland

LASPWM

Las Vegas Harry Reid Intl

Thu 12/10

10:20 pm-10:30 am

1 stop9h 10m

Portland

Sun 12/13

11:10 am-6:20 pm

2 stops10h 10m

$376

Las VegasPortland

LAS Las Vegas Harry Reid Intl - PWM Portland

LASPWM

Las Vegas Harry Reid Intl

Thu 1/7

10:40 pm-9:04 am

1 stop7h 24m

Portland

Mon 1/11

3:14 pm-9:53 pm

1 stop9h 39m

$491

Las VegasPortland

LAS Las Vegas Harry Reid Intl - PWM Portland

LASPWM

Las Vegas Harry Reid Intl

Thu 1/7

7:00 am-11:32 pm

2 stops13h 32m

Portland

Mon 1/11

3:14 pm-9:53 pm

1 stop9h 39m

$496

Las VegasPortland

LAS Las Vegas Harry Reid Intl - PWM Portland

LASPWM

Las Vegas Harry Reid Intl

Wed 11/18

12:10 am-11:56 am

1 stop8h 46m

Portland

Sun 11/22

11:07 am-6:41 pm

1 stop10h 34m

$505

Las VegasPortland

LAS Las Vegas Harry Reid Intl - PWM Portland

LASPWM

Las Vegas Harry Reid Intl

Thu 11/19

9:20 am-10:52 pm

2 stops10h 32m

Portland

Sun 11/22

6:00 am-11:32 am

1 stop8h 32m

$617

Las VegasPortland

LAS Las Vegas Harry Reid Intl - PWM Portland

LASPWM

Las Vegas Harry Reid Intl

Sun 12/20

8:18 am-10:59 pm

2 stops11h 41m

Portland

Wed 12/30

5:30 am-8:06 pm

1 stop17h 36m

$816

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

What is the cheapest month to fly to Portland, Maine?

The cheapest month to fly to Portland, Maine from Las Vegas is in February. Flight prices, which tend to average around $0, 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 February, then flying in May is also cheap. Prices for this month can be found on momondo for an average of $344.

Can stopping save me money on Las Vegas to Portland, Maine flights?

You could potentially save up to 30% on your flight if you consider stops on a Las Vegas to Portland, Maine flight.

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

As of November 2026, prices for Las Vegas to Portland, Maine flights are approximately 1% 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	$139
Fastest flight time	9h 10m
Direct flights	None

The best one-way flight to Portland, Maine from Las Vegas in the past 72 hours is $139. The best round-trip flight deal from Las Vegas to Portland, Maine found on momondo in the last 72 hours is $361.

The fastest flight from Las Vegas to Portland, Maine takes 9h 10m

There are no direct flights from Las Vegas to Portland, Maine. There are no popular flight routes from Las Vegas to Portland, Maine.

Search flight deals

Frequently asked questions about flying from Las Vegas to Portland, Maine

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 9h 10m.
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?
As of November 2026, there are 3 operators available to choose from 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?
Based on momondo bookings for flights between Las Vegas and Portland, Maine, the leading airline is American Airlines, making up 43% of the total bookings. Other popular airlines include United Airlines with 35% and Delta with 23%.

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
United Airlines	PriceFrom $250	Free Cancellation	Rating 7.3 10,458 reviews	Search United Airlines flights
Delta	PriceFrom $256	Free Cancellation	Rating 7.8 8,698 reviews	Search Delta flights
American Airlines	PriceFrom $298	Free Cancellation	Rating 7.0 12,231 reviews	Search American Airlines flights

North Conway

Jackson

Boothbay Harbor

Brunswick

Lewiston

Freeport

Conway

Gorham

Auburn

Bartlett

Bath

Windham

Intervale

Georgetown

Oxford

Falmouth

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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Cheap flights from Las Vegas to Portland from $139

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 3/2. 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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United Airlines flights from Las Vegas to Portland, Maine

Our best United Airlines deals on Las Vegas to Portland, Maine flight tickets

Southwest flights from Las Vegas to Portland, Maine

Our best Southwest deals on Las Vegas to Portland, Maine flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Las Vegas to Portland, Maine that are best for you.

See travel insights to Portland from

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

What is the cheapest month to fly to Portland, Maine?

Can stopping save me money on Las Vegas to Portland, Maine flights?

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

What is the cheapest airline that flies from Las Vegas Harry Reid Intl to Portland?

What airlines fly to Portland, Maine?

When to book flights from Las Vegas to Portland, Maine

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

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying 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

Traveling to a place near Portland?

Why use momondo?

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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing Maine

Fly your favorite airline to Portland

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Portland

List of cabin classes available on flights landing in Portland. Availability may vary depending on flight origin and airline.

Popular cities in the United States

Popular flights according to clicks in the last 7 days on momondo

Fly to other destinations from Las Vegas

According to popular flight searches on momondo this year

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