$149+ Cheap flights from Portland, ME to Las Vegas (PWM - LAS)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/7. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — LAS
Feb 25 — Mar 41
1 adult, Economy
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1. Tell us where you want to go
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
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 January 26, 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 January 26, 2026.
This JetBlue deal was found by Cheapflights users on 1/24. 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.
Mon 5/42:18 pm
PWM
- LAS
1 stop8h 20m
JetBlue
Fri 5/811:59 pm
LAS
- PWM
1 stop10h 24m
JetBlue
Deal found 1/24![JetBlue logo]()
$265
This JetBlue deal was found by Cheapflights users on 1/24. 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.
Thu 4/302:18 pm
PWM
- LAS
1 stop11h 31m
JetBlue
Mon 5/411:59 pm
LAS
- PWM
1 stop10h 24m
JetBlue
Deal found 1/24![JetBlue logo]()
$301
This Delta deal was found by Cheapflights users on 1/25. 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 2/2412:13 pm
PWM
- LAS
1 stop8h 51m
Delta
Tue 3/36:59 pm
LAS
- PWM
2 stops14h 01m
Delta
Deal found 1/25![Delta logo]()
$337
This JetBlue deal was found by Cheapflights users on 1/26. 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.
Sat 5/22:18 pm
PWM
- LAS
1 stop8h 20m
JetBlue
Fri 5/811:59 pm
LAS
- PWM
1 stop10h 24m
JetBlue
Deal found 1/26![JetBlue logo]()
$340
This Delta deal was found by Cheapflights users on 1/26. 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 4/712:51 pm
PWM
- LAS
2 stops13h 02m
Delta
Mon 4/136:55 pm
LAS
- PWM
2 stops14h 10m
Delta
Deal found 1/26![Delta logo]()
$351
This Delta deal was found by Cheapflights users on 1/24. 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.
Sat 4/116:25 am
PWM
- LAS
1 stop10h 55m
Delta
Wed 4/156:00 am
LAS
- PWM
2 stops14h 23m
Delta
Deal found 1/24![Delta logo]()
$365
This Delta deal was found by Cheapflights users on 1/23. 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 2/2412:13 pm
PWM
- LAS
1 stop8h 51m
Delta
Fri 2/276:59 pm
LAS
- PWM
2 stops14h 01m
Delta
Deal found 1/23![Delta logo]()
$374
This Kiwi.com deal was found by Cheapflights users on 1/26. 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 5/210:57 am
PWM
- LAS
1 stop15h 47m
Multiple Airlines
Fri 5/811:44 pm
LAS
- PWM
2 stops40h 32m
Multiple Airlines
Deal found 1/26![Multiple Airlines logo]()
$375
This Southwest deal was found by Cheapflights users on 1/25. 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 2/245:45 am
PWM
- LAS
1 stop10h 40m
Southwest
Tue 3/311:50 am
LAS
- PWM
1 stop7h 25m
Southwest
Deal found 1/25![Southwest logo]()
$377
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 January 26, 2026.
Most accurate provider | CheapOair 3 stars |
|---|---|
Most trusted provider | CheapOair 3 stars |
Round-trip from | $337 (Delta) |
One-way from | $149 (Delta) |
Popular in | December |
Cheapest in | August |
Average price | $437 |
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 2,558,603 searches. Data last updated January 26, 2026.
Use the filters below to find and compare flights from Portland to Las Vegas that are best for you.
Fly from
Portland
Fly to
Las Vegas
Route
Depart
Return
Price
PortlandLas Vegas
PWM - LAS
PWMLAS
Portland
Sat 4/11
2:30 pm-7:37 pm
1 stop8h 07m
Las Vegas Harry Reid Intl
Wed 4/15
6:00 am-11:23 pm
2 stops14h 23m
$365
PortlandLas Vegas
PWM - LAS
PWMLAS
Portland
Tue 2/24
12:13 pm-6:04 pm
1 stop8h 51m
Las Vegas Harry Reid Intl
Fri 2/27
6:59 pm-12:00 pm
2 stops14h 01m
$374
PortlandLas Vegas
PWM - LAS
PWMLAS
Portland
Wed 4/8
11:56 am-8:01 pm
1 stop11h 05m
Las Vegas Harry Reid Intl
Sat 4/11
6:00 am-5:15 pm
1 stop8h 15m
$393
PortlandLas Vegas
PWM - LAS
PWMLAS
Portland
Sat 4/11
12:45 pm-7:30 pm
1 stop9h 45m
Las Vegas Harry Reid Intl
Wed 4/15
10:30 am-10:20 pm
1 stop8h 50m
$393
PortlandLas Vegas
PWM - LAS
PWMLAS
Portland
Sat 4/11
2:30 pm-10:03 pm
1 stop10h 33m
Las Vegas Harry Reid Intl
Thu 4/16
11:35 am-12:46 am
1 stop10h 11m
$393
PortlandLas Vegas
PWM - LAS
PWMLAS
Portland
Wed 4/8
12:51 pm-11:55 pm
2 stops14h 04m
Las Vegas Harry Reid Intl
Thu 4/16
11:35 am-12:46 am
1 stop10h 11m
$398
PortlandLas Vegas
PWM - LAS
PWMLAS
Portland
Tue 4/7
12:51 pm-10:53 pm
2 stops13h 02m
$149
PortlandLas Vegas
PWM - LAS
PWMLAS
Portland
Wed 4/22
6:04 am-11:14 am
1 stop8h 10m
$192
PortlandLas Vegas
PWM - LAS
PWMLAS
Portland
Mon 3/2
5:40 pm-12:25 am
1 stop9h 45m
$197
PortlandLas Vegas
PWM - LAS
PWMLAS
Portland
Wed 4/15
1:00 pm-8:45 pm
1 stop10h 45m
$197
Showing 1-10 of 16 results
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 January.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Portland, Maine-Las Vegas flights, users find the pricing of CheapOair to be most consistent on Cheapflights vs. CheapOair Users can find the same prices on Portland, Maine-Las Vegas flight deals on Cheapflights vs. CheapOair >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 CheapOair the most. CheapOair 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.
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?
Use this chart to determine the optimal time to book a round-trip flight from Portland to Las Vegas. Price data was last updated on January 23, 2026.
To ensure you get the cheapest price possible for a flight from Portland, Maine to Las Vegas, you should look to book at least 42 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, January is the cheapest month in which you can book a flight from Portland, Maine to Las Vegas (average of $128). Flying from Portland, Maine to Las Vegas in July is currently the most expensive (average of $214). 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?
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 71% 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.
New York (JFK) is the most affordable 1-stop option, with an average round-trip price of $322.
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 Chicago (MDW) have the shortest average one-way travel time for 1-stop routes: 7h 20m.
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 January 26, 2026.
Peruse reviews from past customers who have flown with Southwest, Delta, and United 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.
Food
7.0
Comfort
8.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Food
7.0
Comfort
8.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Food
7.0
Comfort
8.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Food
7.0
Comfort
8.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Food
7.0
Comfort
8.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Food
7.0
Comfort
8.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
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
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Browse thousands of different options on Cheapflights for your next trip
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Alternative routes for Portland to Las Vegas
See prices for flight routes from nearby airports that may be better suited for you.
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 2,558,603 searches. Data last updated January 26, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$166 | Average$323 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$272 | Average$469 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$272 | Average$465 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$328 | Average$501 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$360 | Average$514 | FlexibilityNo cancel fee | On-time63% |