$105+ 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 8/26. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — LAS
May 22 — May 291
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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Best
Last-minute
One-way
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 April 22, 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 April 22, 2026.
This American Airlines deal was found by Cheapflights users on 4/20. 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 9/92:54 pm
PWM
- LAS
1 stop10h 00m
American Airlines
Wed 9/167:00 am
LAS
- PWM
1 stop6h 58m
American Airlines
Deal found 4/20![American Airlines logo]()
$209
This Southwest deal was found by Cheapflights users on 4/21. 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 9/15:45 am
PWM
- LAS
1 stop9h 30m
Southwest
Wed 9/211:00 pm
LAS
- PWM
1 stop7h 50m
Southwest
Deal found 4/21![Southwest logo]()
$221
This American Airlines deal was found by Cheapflights users on 4/21. 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 8/263:06 pm
PWM
- LAS
1 stop10h 13m
American Airlines
Sat 8/2911:45 am
LAS
- PWM
1 stop7h 33m
American Airlines
Deal found 4/21![American Airlines logo]()
$229
This American Airlines deal was found by Cheapflights users on 4/21. 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 9/13:06 pm
PWM
- LAS
1 stop10h 13m
American Airlines
Sat 9/58:46 am
LAS
- PWM
1 stop8h 24m
American Airlines
Deal found 4/21![American Airlines logo]()
$247
This United Airlines deal was found by Cheapflights users on 4/21. 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 5/195:30 am
PWM
- LAS
1 stop8h 52m
United Airlines
Tue 5/2610:00 pm
LAS
- PWM
1 stop8h 11m
United Airlines
Deal found 4/21![United Airlines logo]()
$249
This Delta deal was found by Cheapflights users on 4/21. 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 5/302:38 pm
PWM
- LAS
1 stop10h 43m
Delta
Tue 6/210:51 am
LAS
- PWM
1 stop9h 18m
Delta
Deal found 4/21![Delta logo]()
$257
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 April 22, 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 April 22, 2026.
This United Airlines deal was found by Cheapflights users on 4/21. 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 5/195:30 am
PWM
- LAS
1 stop8h 52m
United Airlines
Tue 5/2610:00 pm
LAS
- PWM
1 stop8h 11m
United Airlines
Deal found 4/21![United Airlines logo]()
$249
This Delta deal was found by Cheapflights users on 4/22. 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 9/911:38 am
PWM
- LAS
1 stop7h 45m
Delta
Mon 9/1411:05 pm
LAS
- PWM
2 stops11h 49m
Delta
Deal found 4/22![Delta logo]()
$262
This Delta deal was found by Cheapflights users on 4/21. 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 8/282:35 pm
PWM
- LAS
1 stop10h 21m
Delta
Sat 9/59:50 am
LAS
- PWM
1 stop9h 43m
Delta
Deal found 4/21![Delta logo]()
$272
This United Airlines deal was found by Cheapflights users on 4/17. 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.
Fri 9/1110:43 am
PWM
- LAS
1 stop9h 10m
United Airlines
Tue 9/151:23 pm
LAS
- PWM
1 stop7h 36m
United Airlines
Deal found 4/17![United Airlines logo]()
$315
This Delta deal was found by Cheapflights users on 4/20. 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 9/301:35 pm
PWM
- LAS
1 stop10h 29m
Delta
Mon 10/1212:45 am
LAS
- PWM
1 stop7h 10m
Delta
Deal found 4/20![Delta logo]()
$315
This United Airlines deal was found by Cheapflights users on 4/17. 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.
Fri 5/153:23 pm
PWM
- LAS
1 stop9h 42m
United Airlines
Fri 5/2210:00 pm
LAS
- PWM
1 stop8h 23m
United Airlines
Deal found 4/17![United Airlines logo]()
$357
This Delta deal was found by Cheapflights users on 4/19. 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 6/32:05 pm
PWM
- LAS
1 stop7h 59m
Delta
Sat 6/612:33 am
LAS
- PWM
1 stop9h 27m
Delta
Deal found 4/19![Delta logo]()
$335
This United Airlines deal was found by Cheapflights users on 4/21. 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.
Fri 6/126:19 pm
PWM
- LAS
1 stop8h 34m
United Airlines
Wed 6/1710:00 pm
LAS
- PWM
1 stop8h 11m
United Airlines
Deal found 4/21![United Airlines logo]()
$357
This United Airlines deal was found by Cheapflights users on 4/21. 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 8/295:15 am
PWM
- LAS
2 stops10h 48m
United Airlines
Tue 9/16:40 pm
LAS
- PWM
2 stops12h 32m
United Airlines
Deal found 4/21![United Airlines logo]()
$370
Last-minute flights from Portland to Las VegasDiscover last-minute flight deals from Portland to Las Vegas. Data last updated April 22, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Las Vegas. Data last updated April 22, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 4/18. 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 5/162:38 pm
PWM
- LAS
1 stop10h 43m
Delta
Sat 5/2310:15 pm
LAS
- PWM
2 stops9h 02m
Delta
Deal found 4/18![Delta logo]()
$320
This United Airlines deal was found by Cheapflights users on 4/21. 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 5/195:30 am
PWM
- LAS
1 stop8h 52m
United Airlines
Tue 5/2610:00 pm
LAS
- PWM
1 stop8h 11m
United Airlines
Deal found 4/21![United Airlines logo]()
$249
This Delta deal was found by Cheapflights users on 4/21. 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 5/1912:50 pm
PWM
- LAS
1 stop8h 16m
Delta
Tue 5/2610:15 pm
LAS
- PWM
2 stops11h 55m
Delta
Deal found 4/21![Delta logo]()
$262
This American Airlines deal was found by Cheapflights users on 4/18. 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 5/203:02 pm
PWM
- LAS
1 stop10h 16m
American Airlines
Thu 5/2812:37 pm
LAS
- PWM
1 stop8h 14m
American Airlines
Deal found 4/18![American Airlines logo]()
$347
This United Airlines deal was found by Cheapflights users on 4/21. 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 5/235:03 pm
PWM
- LAS
1 stop7h 56m
United Airlines
Wed 5/278:31 pm
LAS
- PWM
2 stops10h 36m
United Airlines
Deal found 4/21![United Airlines logo]()
$282
This United Airlines deal was found by Cheapflights users on 4/18. 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 5/235:03 pm
PWM
- LAS
1 stop7h 56m
United Airlines
Tue 5/2610:00 pm
LAS
- PWM
1 stop8h 11m
United Airlines
Deal found 4/18![United Airlines logo]()
$315
This Delta deal was found by Cheapflights users on 4/21. 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 5/232:38 pm
PWM
- LAS
1 stop8h 03m
Delta
Tue 5/2610:15 pm
LAS
- PWM
2 stops11h 55m
Delta
Deal found 4/21![Delta logo]()
$343
This American Airlines deal was found by Cheapflights users on 4/17. 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 5/266:54 pm
PWM
- LAS
1 stop8h 35m
American Airlines
Mon 6/111:25 pm
LAS
- PWM
1 stop8h 07m
American Airlines
Deal found 4/17![American Airlines logo]()
$335
This Delta deal was found by Cheapflights users on 4/17. 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.
Thu 5/2812:50 pm
PWM
- LAS
2 stops12h 50m
Delta
Mon 6/111:15 pm
LAS
- PWM
2 stops11h 43m
Delta
Deal found 4/17![Delta logo]()
$325
This Delta deal was found by Cheapflights users on 4/21. 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 5/302:38 pm
PWM
- LAS
1 stop10h 43m
Delta
Tue 6/210:51 am
LAS
- PWM
1 stop9h 18m
Delta
Deal found 4/21![Delta logo]()
$257
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 April 22, 2026.
Search for one-way flight options from Portland to Las Vegas. Find affordable one-way fares based on user searches. Data last updated April 22, 2026.
This American Airlines deal was found by Cheapflights users on 4/21. 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 8/263:06 pm
PWM
- LAS
1 stop10h 13m
American Airlines
Deal found 4/21![American Airlines logo]()
$105
This Southwest deal was found by Cheapflights users on 4/21. 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 8/255:45 am
PWM
- LAS
2 stops10h 15m
Southwest
Deal found 4/21![Southwest logo]()
$122
This United Airlines deal was found by Cheapflights users on 4/21. 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 8/256:00 am
PWM
- LAS
1 stop8h 06m
United Airlines
Deal found 4/21![United Airlines logo]()
$125
This Delta deal was found by Cheapflights users on 4/20. 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 6/84:50 pm
PWM
- LAS
1 stop8h 10m
Delta
Deal found 4/20![Delta logo]()
$129
This American Airlines deal was found by Cheapflights users on 4/21. 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 8/297:27 am
PWM
- LAS
2 stops10h 18m
American Airlines
Deal found 4/21![American Airlines logo]()
$130
This Delta deal was found by Cheapflights users on 4/21. 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 6/68:05 am
PWM
- LAS
2 stops14h 38m
Delta
Deal found 4/21![Delta logo]()
$134
This United Airlines deal was found by Cheapflights users on 4/21. 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.
Fri 8/285:05 pm
PWM
- LAS
1 stop8h 12m
United Airlines
Deal found 4/21![United Airlines logo]()
$144
This Delta deal was found by Cheapflights users on 4/21. 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 8/281:35 pm
PWM
- LAS
2 stops12h 09m
Delta
Deal found 4/21![Delta logo]()
$149
This American Airlines deal was found by Cheapflights users on 4/17. 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 6/236:54 pm
PWM
- LAS
1 stop8h 35m
American Airlines
Deal found 4/17![American Airlines logo]()
$158
This Delta deal was found by Cheapflights users on 4/19. 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.
Thu 6/111:55 pm
PWM
- LAS
2 stops12h 50m
Delta
Deal found 4/19![Delta logo]()
$163
This American Airlines deal was found by Cheapflights users on 4/20. 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 5/167:10 am
PWM
- LAS
2 stops10h 51m
American Airlines
Deal found 4/20![American Airlines logo]()
$165
This American Airlines deal was found by Cheapflights users on 4/21. 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 9/33:06 pm
PWM
- LAS
1 stop10h 13m
American Airlines
Deal found 4/21![American Airlines logo]()
$170
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 April 22, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $209 (American Airlines) |
One-way from | $105 (American Airlines) |
Popular in | December |
Cheapest in | October |
Average price | $496 |
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 April 22, 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 5/19
5:30 am-11:22 am
1 stop8h 52m
Las Vegas Harry Reid Intl
Tue 5/26
10:00 pm-9:11 am
1 stop8h 11m
$249
PortlandLas Vegas
PWM - LAS
PWMLAS
Portland
Wed 9/9
11:38 am-4:23 pm
1 stop7h 45m
Las Vegas Harry Reid Intl
Mon 9/14
11:05 pm-1:54 pm
2 stops11h 49m
$262
PortlandLas Vegas
PWM - LAS
PWMLAS
Portland
Fri 8/28
2:35 pm-9:56 pm
1 stop10h 21m
Las Vegas Harry Reid Intl
Sat 9/5
9:50 am-10:33 pm
1 stop9h 43m
$272
PortlandLas Vegas
PWM - LAS
PWMLAS
Portland
Fri 9/11
10:43 am-4:53 pm
1 stop9h 10m
Las Vegas Harry Reid Intl
Tue 9/15
1:23 pm-11:59 pm
1 stop7h 36m
$315
PortlandLas Vegas
PWM - LAS
PWMLAS
Portland
Wed 9/30
1:35 pm-9:04 pm
1 stop10h 29m
Las Vegas Harry Reid Intl
Mon 10/12
12:45 am-10:55 am
1 stop7h 10m
$315
PortlandLas Vegas
PWM - LAS
PWMLAS
Portland
Wed 6/3
2:05 pm-7:04 pm
1 stop7h 59m
Las Vegas Harry Reid Intl
Sat 6/6
12:33 am-1:00 pm
1 stop9h 27m
$335
PortlandLas Vegas
PWM - LAS
PWMLAS
Portland
Fri 5/15
3:23 pm-10:05 pm
1 stop9h 42m
Las Vegas Harry Reid Intl
Fri 5/22
10:00 pm-9:23 am
1 stop8h 23m
$357
Quickest round-trip
PortlandLas Vegas
PWM - LAS
PWMLAS
Portland
Fri 6/12
6:19 pm-11:53 pm
1 stop8h 34m
Las Vegas Harry Reid Intl
Wed 6/17
10:00 pm-9:11 am
1 stop8h 11m
$357
PortlandLas Vegas
PWM - LAS
PWMLAS
Portland
Sat 8/29
5:15 am-1:03 pm
2 stops10h 48m
Las Vegas Harry Reid Intl
Tue 9/1
6:40 pm-10:12 am
2 stops12h 32m
$370
Cheapest one-way
Quickest one-way
PortlandLas Vegas
PWM - LAS
PWMLAS
Portland
Mon 6/8
4:50 pm-10:00 pm
1 stop8h 10m
$129
Showing 1-10 of 19 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 April.
| 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 | |
| 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?
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 April 17, 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, October is the cheapest month in which you can book a flight from Portland, Maine to Las Vegas (average of $371). Flying from Portland, Maine to Las Vegas in December is currently the most expensive (average of $732). 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 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 April 22, 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.
Overall
8.0
Entertainment
7.5
Comfort
8.0
Food
7.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Overall
8.0
Entertainment
7.5
Comfort
8.0
Food
7.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Overall
8.0
Entertainment
7.5
Comfort
8.0
Food
7.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Overall
8.0
Entertainment
7.5
Comfort
8.0
Food
7.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Overall
8.0
Entertainment
7.5
Comfort
8.0
Food
7.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Overall
8.0
Entertainment
7.5
Comfort
8.0
Food
7.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
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
North Las Vegas
Kingman
Winchester
Boulder City
Needles
Sunrise Manor
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Other flights to Las Vegas
Explore flights to Las Vegas departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on April 22, 2026.
Portland and Las Vegas flights
Browse other Portland and Las Vegas flight options. Last updated on April 22, 2026.
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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 April 22, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$172 | Average$340 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$272 | Average$456 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$272 | Average$437 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$304 | Average$492 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$343 | Average$532 | FlexibilityNo cancel fee | On-time63% |