$124+ Cheap flights from Portland, ME to Las Vegas (PWM - LAS)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/11. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — LAS
Oct 15 — Oct 221
Round-trip
1 adult, Economy
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Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Portland to Las Vegas
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Cheapest flights from Portland to Las VegasExplore the most affordable flight options available from Portland to Las Vegas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2026.
Explore the most affordable flight options available from Portland to Las Vegas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2026.
This United Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/106:00 am -
1 stop8h 18m
Wed 10/1412:25 pm -
1 stop8h 03m
Deal found 9/14![United Airlines logo]()
$257
This American Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/234:23 pm -
1 stop11h 08m
Tue 10/2711:24 pm -
1 stop9h 02m
Deal found 9/14![American Airlines logo]()
$268
This Southwest deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/125:10 pm -
1 stop7h 55m
Tue 11/1710:20 pm -
1 stop8h 30m
Deal found 9/13![Southwest logo]()
$273
This American Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/237:24 pm -
1 stop8h 07m
Mon 10/267:07 am -
1 stop8h 49m
Deal found 9/14![American Airlines logo]()
$283
This Southwest deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/65:10 pm -
1 stop7h 55m
Mon 11/98:45 pm -
2 stops10h 05m
Deal found 9/13![Southwest logo]()
$289
This American Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/304:23 pm -
1 stop11h 08m
Thu 11/512:08 am -
1 stop8h 45m
Deal found 9/14![American Airlines logo]()
$299
This Southwest deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/305:20 am -
2 stops10h 30m
Fri 11/610:20 pm -
1 stop13h 25m
Deal found 9/14![Southwest logo]()
$310
This American Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/294:23 pm -
1 stop9h 08m
Sat 10/311:08 am -
1 stop8h 45m
Deal found 9/14![American Airlines logo]()
$314
Best flights from Portland to Las VegasDiscover carefully curated flight deals from Portland to Las Vegas that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 15, 2026.
Discover carefully curated flight deals from Portland to Las Vegas that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 15, 2026.
This United Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/106:00 am -
1 stop8h 18m
Wed 10/1412:25 pm -
1 stop8h 03m
Deal found 9/14![United Airlines logo]()
$257
This Southwest deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/510:25 am -
1 stop9h 50m
Mon 1/1112:10 am -
2 stops9h 00m
Deal found 9/14![Southwest logo]()
$304
This JetBlue deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/276:30 am -
1 stop11h 19m
Tue 11/311:04 am -
1 stop9h 39m
Deal found 9/10![JetBlue logo]()
$348
This Delta deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/214:15 pm -
1 stop9h 12m
Thu 10/2212:00 pm -
1 stop9h 10m
Deal found 9/14![Delta logo]()
$361
This JetBlue deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/156:30 am -
1 stop9h 39m
Wed 11/1811:04 am -
1 stop9h 39m
Deal found 9/12![JetBlue logo]()
$363
This United Airlines deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/304:45 pm -
1 stop8h 50m
Sat 2/69:00 am -
2 stops9h 48m
Deal found 9/11![United Airlines logo]()
$366
This Delta deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2912:55 pm -
1 stop8h 05m
Fri 10/912:59 am -
1 stop6h 51m
Deal found 9/14![Delta logo]()
$371
This Southwest deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/3012:55 pm -
2 stops11h 55m
Fri 2/510:55 am -
2 stops9h 05m
Deal found 9/12![Southwest logo]()
$391
This United Airlines deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/99:47 am -
2 stops10h 24m
Sat 12/1212:58 pm -
1 stop7h 26m
Deal found 9/12![United Airlines logo]()
$386
This Delta deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/312:50 pm -
1 stop10h 16m
Sun 2/711:30 am -
1 stop9h 19m
Deal found 9/10![Delta logo]()
$412
This Southwest deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/215:40 am -
1 stop9h 45m
Thu 10/2211:00 am -
2 stops7h 55m
Deal found 9/14![Southwest logo]()
$422
This Southwest deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/158:50 am -
1 stop11h 00m
Thu 2/188:00 pm -
2 stops9h 10m
Deal found 9/12![Southwest logo]()
$437
Last-minute flights from Portland to Las VegasDiscover last-minute flight deals from Portland to Las Vegas. Data last updated September 15, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Las Vegas. Data last updated September 15, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/106:00 am -
1 stop8h 18m
Wed 10/1412:25 pm -
1 stop8h 03m
Deal found 9/14![United Airlines logo]()
$257
This American Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/234:23 pm -
1 stop11h 08m
Tue 10/2711:24 pm -
1 stop9h 02m
Deal found 9/14![American Airlines logo]()
$268
This American Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/237:24 pm -
1 stop8h 07m
Mon 10/267:07 am -
1 stop8h 49m
Deal found 9/14![American Airlines logo]()
$283
This Southwest deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/233:25 pm -
1 stop9h 10m
Tue 10/2712:10 am -
1 stop7h 45m
Deal found 9/13![Southwest logo]()
$328
This Southwest deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/235:30 pm -
1 stop9h 40m
Mon 10/2611:35 pm -
2 stops9h 45m
Deal found 9/14![Southwest logo]()
$349
This JetBlue deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/276:30 am -
1 stop11h 19m
Tue 11/311:04 am -
1 stop9h 39m
Deal found 9/10![JetBlue logo]()
$348
This American Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/294:23 pm -
1 stop9h 08m
Sat 10/311:08 am -
1 stop8h 45m
Deal found 9/14![American Airlines logo]()
$314
This American Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/304:23 pm -
1 stop11h 08m
Thu 11/512:08 am -
1 stop8h 45m
Deal found 9/14![American Airlines logo]()
$299
This Southwest deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/305:20 am -
2 stops10h 30m
Fri 11/610:20 pm -
1 stop13h 25m
Deal found 9/14![Southwest logo]()
$310
One-way flights from Portland to Las VegasSearch for one-way flight options from Portland to Las Vegas. Find affordable one-way fares based on user searches. Data last updated September 15, 2026.
Search for one-way flight options from Portland to Las Vegas. Find affordable one-way fares based on user searches. Data last updated September 15, 2026.
This Southwest deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/113:25 pm -
2 stops10h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Southwest logo]()
$124
This United Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/146:00 am -
1 stop9h 03m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![United Airlines logo]()
$129
This United Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/246:00 am -
1 stop9h 03m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![United Airlines logo]()
$134
This Southwest deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/295:30 pm -
2 stops10h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Southwest logo]()
$139
This Southwest deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/65:10 pm -
1 stop7h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Southwest logo]()
$150
This Delta deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/214:15 pm -
1 stop9h 12m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Delta logo]()
$181
This Southwest deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/215:40 am -
2 stops10h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Southwest logo]()
$186
This Kiwi.com deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/75:09 pm -
2 stops20h 54m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Multiple Airlines logo]()
$189
This United Airlines deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/36:00 am -
1 stop9h 03m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![United Airlines logo]()
$191
This United Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/298:29 am -
3 stops18h 28m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![United Airlines logo]()
$199
Find flight deals from Portland to Las Vegas
Discover tips and strategies to find the most affordable flight options for your journey from Portland (PWM) to Las Vegas (LAS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 15, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $273 (Southwest) |
One-way from | $124 (Southwest) |
Popular in | December |
Cheapest in | July |
Average price | $483 |
Cheapflights Fare Finder
Customize your flight search to find flights from Portland 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, Cheapflights users made 7,457,451 searches. Data last updated September 15, 2026.
Use the filters below to find and compare flights from Portland to Las Vegas that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
PortlandLas Vegas
PWM Portland - LAS Las Vegas Harry Reid Intl
PWMLAS
Portland
Wed 11/11
3:25 pm-11:05 pm
2 stops10h 40m
Las Vegas Harry Reid Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$124
PortlandLas Vegas
PWM Portland - LAS Las Vegas Harry Reid Intl
PWMLAS
Portland
Wed 10/14
6:00 am-12:03 pm
1 stop9h 03m
Las Vegas Harry Reid Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$129
PortlandLas Vegas
PWM Portland - LAS Las Vegas Harry Reid Intl
PWMLAS
Portland
Thu 11/5
4:15 pm-12:37 am
1 stop11h 22m
Las Vegas Harry Reid Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$134
Quickest round-trip
PortlandLas Vegas
PWM Portland - LAS Las Vegas Harry Reid Intl
PWMLAS
Portland
Wed 11/11
2:05 pm-7:46 pm
1 stop8h 41m
Las Vegas Harry Reid Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$181
PortlandLas Vegas
PWM Portland - LAS Las Vegas Harry Reid Intl
PWMLAS
Portland
Sat 11/7
2:09 pm-8:55 pm
1 stop9h 46m
Las Vegas Harry Reid Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$181
PortlandLas Vegas
PWM Portland - LAS Las Vegas Harry Reid Intl
PWMLAS
Portland
Fri 10/23
4:15 pm-12:37 am
1 stop11h 22m
Las Vegas Harry Reid Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$181
PortlandLas Vegas
PWM Portland - LAS Las Vegas Harry Reid Intl
PWMLAS
Portland
Wed 10/21
4:15 pm-10:27 pm
1 stop9h 12m
Las Vegas Harry Reid Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$181
PortlandLas Vegas
PWM Portland - LAS Las Vegas Harry Reid Intl
PWMLAS
Portland
Thu 11/5
5:10 pm-11:55 pm
2 stops9h 45m
Las Vegas Harry Reid Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$186
PortlandLas Vegas
PWM Portland - LAS Las Vegas Harry Reid Intl
PWMLAS
Portland
Wed 10/21
5:40 am-12:50 pm
2 stops10h 10m
Las Vegas Harry Reid Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$193
PortlandLas Vegas
PWM Portland - LAS Las Vegas Harry Reid Intl
PWMLAS
Portland
Sat 10/10
6:00 am-11:18 am
1 stop8h 18m
Las Vegas Harry Reid Intl
Wed 10/14
12:25 pm-11:28 pm
1 stop8h 03m
$257
Showing 1-10 of 21 resultsSorted by cheapest first
Compare providers for flights from Portland to Las Vegas
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Portland to Las Vegas in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
- Most accurate provider: When it comes to deals on Portland, Maine-Las Vegas flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Portland, Maine-Las Vegas flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Portland, Maine-Las Vegas flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Portland, Maine-Las Vegas flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Portland, Maine-Las Vegas flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Portland to Las Vegas
Have a flexible travel schedule? Discover the best time to fly to Las Vegas from Portland with our price prediction graph.
PWM-LAS
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Portland to Las Vegas
Prices
More
How far ahead should I book a flight from Portland, Maine to Las Vegas?
To ensure you get the cheapest price possible for a flight from Portland, Maine to Las Vegas, you should look to book at least 32 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from Portland, Maine to Las Vegas?
Currently, July is the cheapest month in which you can book a flight from Portland, Maine to Las Vegas (average of $398). Flying from Portland, Maine to Las Vegas in December is currently the most expensive (average of $776). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
How much does it cost to fly round-trip from Portland, Maine to Las Vegas?
Airfare is below average for this route at the moment.
Portland, Maine to Las Vegas flights typically cost between $374 and $540 in October.The cheapest round-trip price found within the last 5 days was $257 on United Airlines (Oct 10-Oct 14).
What’s the top layover airport for flights from Portland, Maine to Las Vegas?
Share of 1-stop round-trip flights from Portland, Maine to Las Vegas chosen by Cheapflights users in the past 12 months, using the same layover each way.
Baltimore (BWI) – chosen by Cheapflights users on 83% of 1-stop itineraries from Portland, Maine to Las Vegas on Cheapflights.
What’s the cheapest layover airport for flights from Portland, Maine to Las Vegas?
Average round-trip fare for 1-stop flights from Portland, Maine to Las Vegas, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Chicago (ORD) is the most affordable 1-stop option, with an average round-trip price of $403.
What’s the fastest layover option from Portland, Maine to Las Vegas?
Shortest average travel time for 1-stop one-way flights from Portland, Maine to Las Vegas, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Baltimore (BWI) have the shortest average one-way travel time for 1-stop routes: 8h 10m.
Which airport typically offers the quickest layover for flights from Portland, Maine to Las Vegas?
Average layover duration for 1-stop one-way flights from Portland, Maine to Las Vegas, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Baltimore (BWI) offer the fastest connection on this route, with an average layover time of 0h 55m.
Reviews of airlines servicing Las Vegas
Get insights into the airlines that provide service to Las Vegas. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Las Vegas. Reviews last updated September 15, 2026.
Peruse reviews from past customers who have flown with Southwest,Delta, andUnited Airlines from Portland to Las Vegas to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Overall
8.0
Crew
8.6
Food
7.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Overall
8.0
Crew
8.6
Food
7.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Overall
8.0
Crew
8.6
Food
7.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Overall
8.0
Crew
8.6
Food
7.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Overall
8.0
Crew
8.6
Food
7.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Overall
8.0
Crew
8.6
Food
7.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Related info for your journey
Find useful and relevant information for your journey from Portland to Las Vegas. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Las Vegas?
Book flights to Las Vegas if you plan to visit one of these locationsParadise
Mesquite
Henderson
Kingman
North Las Vegas
Boulder City
Needles
Winchester
Sunrise Manor
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Top 5 airlines flying from Portland to Las Vegas
Discover the top 5 airlines that operate flights from Portland to Las Vegas. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 15, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$172 | Average$383 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$273 | Average$516 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$286 | Average$491 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$308 | Average$498 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$387 | Average$528 | FlexibilityNo cancel fee | On-time63% |