$80+ Cheap flights from Peoria, IL to Las Vegas (PIA - 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 9/27. Fares are subject to change and may not be available on all flights or dates of travel.
PIA — LAS
Sep 24 — Oct 11
Round-trip
1 adult, Economy
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Find cheap flights from Peoria 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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Greater Peoria to Las Vegas Harry Reid Intl are usually found in December or November, booked 81 days in advance, depart on a Friday or Monday and return on a Tuesday
Cheap flight deals from Peoria to Las Vegas
Cheapest
Best
Last-minute
One-way
Cheapest flights from Peoria to Las VegasExplore the most affordable flight options available from Peoria to Las Vegas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 25, 2026.
Explore the most affordable flight options available from Peoria to Las Vegas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 25, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 8/25. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/279:53 pm -
Nonstop3h 31m
Thu 10/17:00 am -
Nonstop3h 12m
Deal found 8/25![Allegiant Air logo]()
$157
This Kiwi.com deal was found by Cheapflights users on 8/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/209:53 pm -
Nonstop3h 31m
Thu 10/17:00 am -
Nonstop3h 12m
Deal found 8/21![Allegiant Air logo]()
$207
This Cheapflightsfares deal was found by Cheapflights users on 8/23. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/287:19 pm -
Nonstop3h 30m
Fri 9/42:20 pm -
Nonstop3h 19m
Deal found 8/23![Allegiant Air logo]()
$213
This Kiwi.com deal was found by Cheapflights users on 8/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/78:38 pm -
Nonstop3h 31m
Fri 9/112:43 pm -
Nonstop3h 19m
Deal found 8/21![Allegiant Air logo]()
$216
This Kiwi.com deal was found by Cheapflights users on 8/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/118:52 pm -
Nonstop3h 31m
Sat 9/1210:35 am -
2 stops28h 54m
Deal found 8/21![Multiple Airlines logo]()
$249
This Cheapflightsfares deal was found by Cheapflights users on 8/20. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/12:37 pm -
Nonstop3h 40m
Thu 11/56:40 am -
Nonstop3h 19m
Deal found 8/20![Allegiant Air logo]()
$253
This Cheapflightsfares deal was found by Cheapflights users on 8/22. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/145:14 pm -
Nonstop3h 31m
Thu 9/241:24 pm -
Nonstop3h 19m
Deal found 8/22![Allegiant Air logo]()
$257
This Cheapflightsfares deal was found by Cheapflights users on 8/21. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/152:54 pm -
Nonstop3h 40m
Sun 11/223:28 pm -
Nonstop3h 11m
Deal found 8/21![Allegiant Air logo]()
$261
Best flights from Peoria to Las VegasDiscover carefully curated flight deals from Peoria to Las Vegas that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 25, 2026.
Discover carefully curated flight deals from Peoria to Las Vegas that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 25, 2026.
This United Airlines deal was found by Cheapflights users on 8/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/173:41 pm -
1 stop6h 47m
Wed 10/217:45 am -
2 stops13h 13m
Deal found 8/24![United Airlines logo]()
$404
This United Airlines deal was found by Cheapflights users on 8/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/196:05 am -
2 stops11h 36m
Wed 9/3012:38 pm -
1 stop8h 20m
Deal found 8/20![United Airlines logo]()
$404
This United Airlines deal was found by Cheapflights users on 8/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/196:05 am -
3 stops15h 59m
Wed 9/232:20 pm -
1 stop6h 53m
Deal found 8/20![United Airlines logo]()
$409
This United Airlines deal was found by Cheapflights users on 8/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/95:50 am -
2 stops10h 09m
Mon 9/1411:57 pm -
2 stops11h 42m
Deal found 8/23![United Airlines logo]()
$424
This United Airlines deal was found by Cheapflights users on 8/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/93:35 pm -
2 stops10h 53m
Tue 9/1511:15 am -
2 stops9h 58m
Deal found 8/22![United Airlines logo]()
$424
This United Airlines deal was found by Cheapflights users on 8/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/36:15 am -
2 stops10h 55m
Fri 10/97:37 pm -
2 stops12h 29m
Deal found 8/22![United Airlines logo]()
$424
This United Airlines deal was found by Cheapflights users on 8/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/23:41 pm -
1 stop6h 47m
Mon 10/57:37 pm -
2 stops12h 29m
Deal found 8/24![United Airlines logo]()
$434
This United Airlines deal was found by Cheapflights users on 8/21. 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.
Mon 11/236:25 am -
2 stops12h 39m
Thu 11/2611:58 pm -
1 stop8h 10m
Deal found 8/21![United Airlines logo]()
$434
Last-minute flights from Peoria to Las VegasDiscover last-minute flight deals from Peoria to Las Vegas. Data last updated August 25, 2026 and is based on user searches.
Discover last-minute flight deals from Peoria to Las Vegas. Data last updated August 25, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 8/23. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/287:19 pm -
Nonstop3h 30m
Fri 9/42:20 pm -
Nonstop3h 19m
Deal found 8/23![Allegiant Air logo]()
$213
This Kiwi.com deal was found by Cheapflights users on 8/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/78:38 pm -
Nonstop3h 31m
Fri 9/112:43 pm -
Nonstop3h 19m
Deal found 8/21![Allegiant Air logo]()
$216
This Kiwi.com deal was found by Cheapflights users on 8/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/118:52 pm -
Nonstop3h 31m
Sat 9/1210:35 am -
2 stops28h 54m
Deal found 8/21![Multiple Airlines logo]()
$249
This Cheapflightsfares deal was found by Cheapflights users on 8/22. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/145:14 pm -
Nonstop3h 31m
Thu 9/241:24 pm -
Nonstop3h 19m
Deal found 8/22![Allegiant Air logo]()
$257
This Kiwi.com deal was found by Cheapflights users on 8/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/209:53 pm -
Nonstop3h 31m
Thu 10/17:00 am -
Nonstop3h 12m
Deal found 8/21![Allegiant Air logo]()
$207
This Cheapflightsfares deal was found by Cheapflights users on 8/25. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/279:53 pm -
Nonstop3h 31m
Thu 10/17:00 am -
Nonstop3h 12m
Deal found 8/25![Allegiant Air logo]()
$157
One-way flights from Peoria to Las VegasSearch for one-way flight options from Peoria to Las Vegas. Find affordable one-way fares based on user searches. Data last updated August 25, 2026.
Search for one-way flight options from Peoria to Las Vegas. Find affordable one-way fares based on user searches. Data last updated August 25, 2026.
This CheapOair deal was found by Cheapflights users on 8/25. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/279:53 pm -
Nonstop3h 31m
Deal found 8/25![Allegiant Air logo]()
$80
This Kiwi.com deal was found by Cheapflights users on 8/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/83:19 pm -
1 stop20h 21m
Deal found 8/20![Multiple Airlines logo]()
$219
This Kiwi.com deal was found by Cheapflights users on 8/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/151:02 pm -
Nonstop3h 40m
Deal found 8/20![Allegiant Air logo]()
$235
This Kiwi.com deal was found by Cheapflights users on 8/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/155:24 pm -
2 stops24h 40m
Deal found 8/20![Multiple Airlines logo]()
$238
Find flight deals from Peoria to Las Vegas
Discover tips and strategies to find the most affordable flight options for your journey from Peoria (PIA) 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 August 25, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $157 (Cheapflightsfares) |
One-way from | $80 (CheapOair) |
Popular in | March |
Cheapest in | December |
Average price | $328 |
Good round-trip deal | $262 or less |
Good one-way deal | $128 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Peoria 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 August 25, 2026.
Use the filters below to find and compare flights from Peoria to Las Vegas that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
PeoriaLas Vegas
PIA Greater Peoria - LAS Las Vegas Harry Reid Intl
PIALAS
Greater Peoria
Sat 10/17
3:41 pm-8:28 pm
1 stop6h 47m
Las Vegas Harry Reid Intl
Wed 10/21
7:45 am-10:58 pm
2 stops13h 13m
$404
PeoriaLas Vegas
PIA Greater Peoria - LAS Las Vegas Harry Reid Intl
PIALAS
Greater Peoria
Sat 9/19
6:05 am-3:41 pm
2 stops11h 36m
Las Vegas Harry Reid Intl
Wed 9/30
12:38 pm-10:58 pm
1 stop8h 20m
$404
PeoriaLas Vegas
PIA Greater Peoria - LAS Las Vegas Harry Reid Intl
PIALAS
Greater Peoria
Sat 9/19
6:05 am-8:04 pm
3 stops15h 59m
Las Vegas Harry Reid Intl
Wed 9/23
2:20 pm-11:13 pm
1 stop6h 53m
$409
PeoriaLas Vegas
PIA Greater Peoria - LAS Las Vegas Harry Reid Intl
PIALAS
Greater Peoria
Wed 9/9
5:50 am-1:59 pm
2 stops10h 09m
Las Vegas Harry Reid Intl
Mon 9/14
11:57 pm-1:39 pm
2 stops11h 42m
$424
PeoriaLas Vegas
PIA Greater Peoria - LAS Las Vegas Harry Reid Intl
PIALAS
Greater Peoria
Wed 9/9
3:35 pm-12:28 am
2 stops10h 53m
Las Vegas Harry Reid Intl
Tue 9/15
11:15 am-11:13 pm
2 stops9h 58m
$424
PeoriaLas Vegas
PIA Greater Peoria - LAS Las Vegas Harry Reid Intl
PIALAS
Greater Peoria
Sat 10/3
6:15 am-3:10 pm
2 stops10h 55m
Las Vegas Harry Reid Intl
Fri 10/9
7:37 pm-10:06 am
2 stops12h 29m
$424
Quickest round-trip
PeoriaLas Vegas
PIA Greater Peoria - LAS Las Vegas Harry Reid Intl
PIALAS
Greater Peoria
Fri 10/2
3:41 pm-8:28 pm
1 stop6h 47m
Las Vegas Harry Reid Intl
Mon 10/5
7:37 pm-10:06 am
2 stops12h 29m
$434
PeoriaLas Vegas
PIA Greater Peoria - LAS Las Vegas Harry Reid Intl
PIALAS
Greater Peoria
Mon 11/23
6:25 am-5:04 pm
2 stops12h 39m
Las Vegas Harry Reid Intl
Thu 11/26
11:58 pm-10:08 am
1 stop8h 10m
$434
Cheapest one-way
Quickest one-way
PeoriaLas Vegas
PIA Greater Peoria - LAS Las Vegas Harry Reid Intl
PIALAS
Greater Peoria
Sun 9/27
9:53 pm-11:24 pm
Nonstop3h 31m
$85
PeoriaLas Vegas
PIA Greater Peoria - LAS Las Vegas Harry Reid Intl
PIALAS
Greater Peoria
Thu 10/15
5:24 pm-9:20 am
2 stops41h 56m
$235
Showing 1-10 of 17 resultsSorted by cheapest first
Compare providers for flights from Peoria 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 Peoria to Las Vegas in August.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Peoria, Illinois-Las Vegas flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Peoria, Illinois-Las Vegas flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Peoria, Illinois-Las Vegas flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Peoria, Illinois-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 Peoria, Illinois-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 Peoria to Las Vegas
Have a flexible travel schedule? Discover the best time to fly to Las Vegas from Peoria with our price prediction graph.
PIA-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 Peoria to Las Vegas
How far ahead should I book a flight from Peoria, Illinois to Las Vegas?
The best time to book flights from Peoria, Illinois to Las Vegas is 40 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from Peoria, Illinois to Las Vegas?
Currently, December is the cheapest month in which you can book a flight from Peoria, Illinois to Las Vegas (average of $281). Flying from Peoria, Illinois to Las Vegas in March is currently the most expensive (average of $390). 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 is the cheapest time of day to fly from PIA to LAS?
Find hourly flight availability from Peoria to Las Vegas. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 25, 2026.
It’s typically best to fly out from Peoria, Illinois to Las Vegas in the evening. Doing so could potentially save you 24% on the flight price compared to flying in the morning, which is usually more expensive.
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 August 25, 2026.
Read through reviews of airlines operating flights from Peoria to Las Vegas, such as United Airlines,Allegiant Air, andAmerican Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Food
6.7
Entertainment
7.1
Overall
7.4
Boarding
7.7
Comfort
7.3
Crew
8.1
Reviews
1 / 20
2.0
MediocreDawn,Aug 2026
ORD - DEN
Food
6.7
Entertainment
7.1
Overall
7.4
Boarding
7.7
Comfort
7.3
Crew
8.1
Reviews
1 / 20
2.0
MediocreDawn,Aug 2026
ORD - DEN
Food
6.7
Entertainment
7.1
Overall
7.4
Boarding
7.7
Comfort
7.3
Crew
8.1
Reviews
1 / 20
2.0
MediocreDawn,Aug 2026
ORD - DEN
Food
6.7
Entertainment
7.1
Overall
7.4
Boarding
7.7
Comfort
7.3
Crew
8.1
Reviews
1 / 20
2.0
MediocreDawn,Aug 2026
ORD - DEN
Related info for your journey
Find useful and relevant information for your journey from Peoria 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?
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Other flights from Peoria
Browse through other flights departing from Peoria. Flights are based on user searches made on Cheapflights and were last updated on August 25, 2026.
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Check out other popular destinations found by fellow travelers in 2026
Top 3 airlines flying from Peoria to Las Vegas
Discover the top 3 airlines that operate flights from Peoria 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 August 25, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$158 | Average$306 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$259 | Average$387 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$298 | Average$423 | FlexibilityNo cancel fee | On-time71% |