$126+ 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 4/28. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — LAS
Apr 11 — Apr 181
Round-trip
1 adult, Economy
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Find cheap flights from Portland to Las Vegas with Cheapflights
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
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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 March 12, 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 March 12, 2026.
This United Airlines deal was found by Cheapflights users on 3/11. 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.
Tue 4/286:04 am
PWM
- LAS
1 stop8h 12m
United Airlines
Thu 4/3011:22 pm
LAS
- PWM
1 stop8h 01m
United Airlines
Deal found 3/11![United Airlines logo]()
$246
This United Airlines deal was found by Cheapflights users on 3/11. 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.
Sun 4/56:33 pm
PWM
- LAS
1 stop8h 26m
United Airlines
Tue 4/149:00 am
LAS
- PWM
1 stop9h 40m
United Airlines
Deal found 3/11![United Airlines logo]()
$251
This Southwest deal was found by Cheapflights users on 3/11. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/55:30 pm
PWM
- LAS
1 stop9h 25m
Southwest
Tue 4/147:00 am
LAS
- PWM
1 stop12h 35m
Southwest
Deal found 3/11![Southwest logo]()
$256
This Delta deal was found by Cheapflights users on 3/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/82:38 pm
PWM
- LAS
1 stop10h 43m
Delta
Tue 5/1212:05 pm
LAS
- PWM
1 stop9h 38m
Delta
Deal found 3/12![Delta logo]()
$257
This American Airlines deal was found by Cheapflights users on 3/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/57:00 am
PWM
- LAS
2 stops12h 01m
American Airlines
Tue 4/1410:40 am
LAS
- PWM
2 stops9h 47m
American Airlines
Deal found 3/11![American Airlines logo]()
$261
This Delta deal was found by Cheapflights users on 3/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/82:05 pm
PWM
- LAS
1 stop9h 28m
Delta
Mon 5/1110:33 pm
LAS
- PWM
2 stops8h 50m
Delta
Deal found 3/12![Delta logo]()
$262
This American Airlines deal was found by Cheapflights users on 3/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/293:02 pm
PWM
- LAS
1 stop10h 16m
American Airlines
Tue 5/510:00 pm
LAS
- PWM
1 stop9h 23m
American Airlines
Deal found 3/11![American Airlines logo]()
$269
This American Airlines deal was found by Cheapflights users on 3/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/116:01 pm
PWM
- LAS
1 stop9h 23m
American Airlines
Wed 4/159:56 am
LAS
- PWM
1 stop9h 50m
American Airlines
Deal found 3/12![American Airlines logo]()
$271
This United Airlines deal was found by Cheapflights users on 3/12. 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.
Thu 4/96:33 pm
PWM
- LAS
1 stop8h 26m
United Airlines
Mon 4/1311:45 pm
LAS
- PWM
1 stop7h 37m
United Airlines
Deal found 3/12![United Airlines logo]()
$275
This American Airlines deal was found by Cheapflights users on 3/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/36:01 pm
PWM
- LAS
1 stop8h 07m
American Airlines
Tue 5/511:00 pm
LAS
- PWM
1 stop8h 23m
American Airlines
Deal found 3/12![American Airlines logo]()
$281
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 March 12, 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 March 12, 2026.
This Delta deal was found by Cheapflights users on 3/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/1412:46 pm
PWM
- LAS
1 stop10h 06m
Delta
Mon 4/2011:07 pm
LAS
- PWM
2 stops12h 04m
Delta
Deal found 3/11![Delta logo]()
$262
This United Airlines deal was found by Cheapflights users on 3/11. 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.
Sun 4/266:33 pm
PWM
- LAS
1 stop8h 26m
United Airlines
Fri 5/111:59 pm
LAS
- PWM
2 stops10h 28m
United Airlines
Deal found 3/11![United Airlines logo]()
$311
This Southwest deal was found by Cheapflights users on 3/7. 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 5/212:45 pm
PWM
- LAS
1 stop9h 45m
Southwest
Fri 5/810:15 pm
LAS
- PWM
1 stop10h 40m
Southwest
Deal found 3/7![Southwest logo]()
$352
This Delta deal was found by Cheapflights users on 3/8. 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 5/202:05 pm
PWM
- LAS
1 stop11h 06m
Delta
Thu 5/2810:33 pm
LAS
- PWM
2 stops12h 25m
Delta
Deal found 3/8![Delta logo]()
$300
This Delta deal was found by Cheapflights users on 3/8. 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 7/411:25 am
PWM
- LAS
2 stops13h 58m
Delta
Tue 7/79:40 am
LAS
- PWM
2 stops10h 31m
Delta
Deal found 3/8![Delta logo]()
$305
This Delta deal was found by Cheapflights users on 3/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/132:51 pm
PWM
- LAS
2 stops11h 24m
Delta
Mon 4/2011:07 pm
LAS
- PWM
2 stops12h 04m
Delta
Deal found 3/11![Delta logo]()
$318
This United Airlines deal was found by Cheapflights users on 3/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/116:00 am
PWM
- LAS
1 stop9h 28m
United Airlines
Tue 4/1410:43 am
LAS
- PWM
1 stop7h 57m
United Airlines
Deal found 3/10![United Airlines logo]()
$406
This Delta deal was found by Cheapflights users on 3/10. 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.
Sat 5/21:23 pm
PWM
- LAS
2 stops12h 51m
Delta
Wed 5/611:35 am
LAS
- PWM
1 stop10h 11m
Delta
Deal found 3/10![Delta logo]()
$320
This Delta deal was found by Cheapflights users on 3/10. 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.
Mon 3/2312:51 pm
PWM
- LAS
2 stops13h 21m
Delta
Tue 3/3111:11 pm
LAS
- PWM
2 stops11h 39m
Delta
Deal found 3/10![Delta logo]()
$351
This Delta deal was found by Cheapflights users on 3/7. 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.
Fri 7/32:35 pm
PWM
- LAS
1 stop10h 21m
Delta
Thu 7/911:30 am
LAS
- PWM
1 stop9h 29m
Delta
Deal found 3/7![Delta logo]()
$377
Last-minute flights from Portland to Las VegasDiscover last-minute flight deals from Portland to Las Vegas. Data last updated March 12, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Las Vegas. Data last updated March 12, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 3/11. 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.
Sun 4/56:33 pm
PWM
- LAS
1 stop8h 26m
United Airlines
Tue 4/149:00 am
LAS
- PWM
1 stop9h 40m
United Airlines
Deal found 3/11![United Airlines logo]()
$251
This Southwest deal was found by Cheapflights users on 3/11. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/55:30 pm
PWM
- LAS
1 stop9h 25m
Southwest
Tue 4/147:00 am
LAS
- PWM
1 stop12h 35m
Southwest
Deal found 3/11![Southwest logo]()
$256
This Delta deal was found by Cheapflights users on 3/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/55:23 am
PWM
- LAS
1 stop11h 27m
Delta
Wed 4/1511:35 am
LAS
- PWM
1 stop10h 11m
Delta
Deal found 3/11![Delta logo]()
$257
This American Airlines deal was found by Cheapflights users on 3/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/57:00 am
PWM
- LAS
2 stops12h 01m
American Airlines
Tue 4/1410:40 am
LAS
- PWM
2 stops9h 47m
American Airlines
Deal found 3/11![American Airlines logo]()
$261
This United Airlines deal was found by Cheapflights users on 3/12. 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.
Thu 4/96:33 pm
PWM
- LAS
1 stop8h 26m
United Airlines
Mon 4/1311:45 pm
LAS
- PWM
1 stop7h 37m
United Airlines
Deal found 3/12![United Airlines logo]()
$275
This Delta deal was found by Cheapflights users on 3/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/112:30 pm
PWM
- LAS
1 stop10h 33m
Delta
Wed 4/1510:20 pm
LAS
- PWM
2 stops9h 42m
Delta
Deal found 3/11![Delta logo]()
$262
This American Airlines deal was found by Cheapflights users on 3/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/116:01 pm
PWM
- LAS
1 stop9h 23m
American Airlines
Wed 4/159:56 am
LAS
- PWM
1 stop9h 50m
American Airlines
Deal found 3/12![American Airlines logo]()
$271
This United Airlines deal was found by Cheapflights users on 3/11. 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.
Tue 4/286:04 am
PWM
- LAS
1 stop8h 12m
United Airlines
Thu 4/3011:22 pm
LAS
- PWM
1 stop8h 01m
United Airlines
Deal found 3/11![United Airlines logo]()
$246
This Delta deal was found by Cheapflights users on 3/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2912:46 pm
PWM
- LAS
2 stops13h 20m
Delta
Mon 5/412:17 am
LAS
- PWM
2 stops10h 54m
Delta
Deal found 3/11![Delta logo]()
$267
This American Airlines deal was found by Cheapflights users on 3/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/293:02 pm
PWM
- LAS
1 stop10h 16m
American Airlines
Tue 5/510:00 pm
LAS
- PWM
1 stop9h 23m
American Airlines
Deal found 3/11![American Airlines logo]()
$269
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 March 12, 2026.
Search for one-way flight options from Portland to Las Vegas. Find affordable one-way fares based on user searches. Data last updated March 12, 2026.
This American Airlines deal was found by Cheapflights users on 3/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/286:00 am
PWM
- LAS
1 stop10h 32m
American Airlines
Deal found 3/11![American Airlines logo]()
$126
This Delta deal was found by Cheapflights users on 3/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/82:30 pm
PWM
- LAS
1 stop8h 07m
Delta
Deal found 3/11![Delta logo]()
$129
This Delta deal was found by Cheapflights users on 3/9. 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 4/286:30 am
PWM
- LAS
1 stop10h 36m
Delta
Deal found 3/9![Delta logo]()
$148
This Delta deal was found by Cheapflights users on 3/8. 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 4/2112:46 pm
PWM
- LAS
2 stops13h 20m
Delta
Deal found 3/8![Delta logo]()
$153
This Southwest deal was found by Cheapflights users on 3/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/244:50 pm
PWM
- LAS
1 stop9h 30m
Southwest
Deal found 3/10![Southwest logo]()
$158
This American Airlines deal was found by Cheapflights users on 3/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/306:01 pm
PWM
- LAS
1 stop8h 07m
American Airlines
Deal found 3/12![American Airlines logo]()
$167
This CheapOair deal was found by Cheapflights users on 3/8. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/217:30 am
PWM
- LAS
1 stop19h 25m
JetBlue
Deal found 3/8![JetBlue logo]()
$179
This American Airlines deal was found by Cheapflights users on 3/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/85:36 pm
PWM
- LAS
1 stop9h 16m
American Airlines
Deal found 3/12![American Airlines logo]()
$180
This JetBlue deal was found by Cheapflights users on 3/8. 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 6/86:00 am
PWM
- LAS
1 stop8h 59m
JetBlue
Deal found 3/8![JetBlue logo]()
$183
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 March 12, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $246 (United Airlines) |
One-way from | $126 (American Airlines) |
Popular in | December |
Cheapest in | August |
Average price | $499 |
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 March 12, 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 - LAS
PWMLAS
Portland
Tue 4/14
12:46 pm-7:52 pm
1 stop10h 06m
Las Vegas Harry Reid Intl
Mon 4/20
11:07 pm-2:11 pm
2 stops12h 04m
$262
PortlandLas Vegas
PWM - LAS
PWMLAS
Portland
Wed 5/20
2:05 pm-10:11 pm
1 stop11h 06m
Las Vegas Harry Reid Intl
Thu 5/28
10:33 pm-1:58 pm
2 stops12h 25m
$300
PortlandLas Vegas
PWM - LAS
PWMLAS
Portland
Sat 7/4
11:25 am-10:23 pm
2 stops13h 58m
Las Vegas Harry Reid Intl
Tue 7/7
9:40 am-11:11 pm
2 stops10h 31m
$305
PortlandLas Vegas
PWM - LAS
PWMLAS
Portland
Sun 4/26
6:33 pm-11:59 pm
1 stop8h 26m
Las Vegas Harry Reid Intl
Fri 5/1
11:59 pm-1:27 pm
2 stops10h 28m
$311
PortlandLas Vegas
PWM - LAS
PWMLAS
Portland
Mon 4/13
2:51 pm-11:15 pm
2 stops11h 24m
Las Vegas Harry Reid Intl
Mon 4/20
11:07 pm-2:11 pm
2 stops12h 04m
$318
PortlandLas Vegas
PWM - LAS
PWMLAS
Portland
Sat 5/2
1:23 pm-11:14 pm
2 stops12h 51m
Las Vegas Harry Reid Intl
Wed 5/6
11:35 am-12:46 am
1 stop10h 11m
$320
PortlandLas Vegas
PWM - LAS
PWMLAS
Portland
Mon 3/23
12:51 pm-11:12 pm
2 stops13h 21m
Las Vegas Harry Reid Intl
Tue 3/31
11:11 pm-1:50 pm
2 stops11h 39m
$351
PortlandLas Vegas
PWM - LAS
PWMLAS
Portland
Sat 5/2
12:45 pm-7:30 pm
1 stop9h 45m
Las Vegas Harry Reid Intl
Fri 5/8
10:15 pm-11:55 am
1 stop10h 40m
$352
PortlandLas Vegas
PWM - LAS
PWMLAS
Portland
Fri 7/3
2:35 pm-9:56 pm
1 stop10h 21m
Las Vegas Harry Reid Intl
Thu 7/9
11:30 am-11:59 pm
1 stop9h 29m
$377
Quickest round-trip
PortlandLas Vegas
PWM - LAS
PWMLAS
Portland
Sat 4/11
6:00 am-12:28 pm
1 stop9h 28m
Las Vegas Harry Reid Intl
Tue 4/14
10:43 am-9:40 pm
1 stop7h 57m
$406
Showing 1-10 of 17 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 March.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| 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 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?
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 March 6, 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 33 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 $143). Flying from Portland, Maine to Las Vegas in July is currently the most expensive (average of $210). 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.
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 March 12, 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.
Boarding
8.1
Crew
8.6
Food
7.0
Entertainment
7.5
Comfort
8.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Boarding
8.1
Crew
8.6
Food
7.0
Entertainment
7.5
Comfort
8.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Boarding
8.1
Crew
8.6
Food
7.0
Entertainment
7.5
Comfort
8.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Boarding
8.1
Crew
8.6
Food
7.0
Entertainment
7.5
Comfort
8.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Boarding
8.1
Crew
8.6
Food
7.0
Entertainment
7.5
Comfort
8.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Boarding
8.1
Crew
8.6
Food
7.0
Entertainment
7.5
Comfort
8.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
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
Henderson
Mesquite
North Las Vegas
Kingman
Winchester
Boulder City
Needles
Sunrise Manor
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Other flights from Portland
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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 2,558,603 searches. Data last updated March 12, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$168 | Average$322 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$272 | Average$469 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$272 | Average$457 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$324 | Average$503 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$354 | Average$508 | FlexibilityNo cancel fee | On-time63% |