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$96+ 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 8/28. Fares are subject to change and may not be available on all flights or dates of travel.
PIA — LAS
Aug 27 — Sep 31
Thu 8/27
Thu 9/3
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

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3. Compare prices and book

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Cheapflights Tip: The best prices from Greater Peoria to Las Vegas Harry Reid Intl are usually found in December or September, 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 flights from Peoria to Las Vegas
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 July 28, 2026.

This Cheapflightsfares deal was found by Cheapflights users on 7/23. 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.
Sun 9/279:53 pm
PIA
-
LAS
Nonstop3h 31m
Allegiant Air
Thu 10/17:00 am
LAS
-
PIA
Nonstop3h 12m
Allegiant Air
Deal found 7/23$148
This Cheapflightsfares deal was found by Cheapflights users on 7/28. 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 8/1412:45 pm
PIA
-
LAS
Nonstop3h 40m
Allegiant Air
Fri 8/211:14 pm
LAS
-
PIA
Nonstop3h 15m
Allegiant Air
Deal found 7/28$159
This Cheapflightsfares deal was found by Cheapflights users on 7/26. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/118:52 pm
PIA
-
LAS
Nonstop3h 31m
Allegiant Air
Thu 9/171:24 pm
LAS
-
PIA
Nonstop3h 19m
Allegiant Air
Deal found 7/26$183
This Cheapflightsfares deal was found by Cheapflights users on 7/24. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/118:52 pm
PIA
-
LAS
Nonstop3h 31m
Allegiant Air
Sun 9/273:44 pm
LAS
-
PIA
Nonstop3h 19m
Allegiant Air
Deal found 7/24$201
This Cheapflightsfares deal was found by Cheapflights users on 7/25. 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.
Fri 8/287:19 pm
PIA
-
LAS
Nonstop3h 30m
Allegiant Air
Mon 8/312:33 pm
LAS
-
PIA
Nonstop3h 15m
Allegiant Air
Deal found 7/25$213
This Expedia deal was found by Cheapflights users on 7/28. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/217:19 pm
PIA
-
LAS
Nonstop3h 30m
Allegiant Air
Mon 8/241:01 pm
LAS
-
PIA
Nonstop3h 15m
Allegiant Air
Deal found 7/28$217
This Cheapflightsfares deal was found by Cheapflights users on 7/25. 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.
Fri 9/48:29 pm
PIA
-
LAS
Nonstop3h 31m
Allegiant Air
Thu 9/171:24 pm
LAS
-
PIA
Nonstop3h 19m
Allegiant Air
Deal found 7/25$219
This Cheapflightsfares deal was found by Cheapflights users on 7/28. 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
PIA
-
LAS
Nonstop3h 40m
Allegiant Air
Sun 11/223:28 pm
LAS
-
PIA
Nonstop3h 11m
Allegiant Air
Deal found 7/28$223

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 July 28, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$132
(Expedia)

One-way from

$96
(Cheapflightsfares)

Popular in

March

Cheapest in

December

Average price

$352

Good round-trip deal

$212 or less
Provider with most accurate pricing for Greater Peoria-Las Vegas Harry Reid Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Greater Peoria-Las Vegas Harry Reid Intl flights.
Search Deals
From Greater Peoria to Las Vegas Harry Reid Intl
Search Deals
One-way flight from Greater Peoria to Las Vegas Harry Reid Intl
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($37 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals
Price to beat on a round-trip flight from Greater Peoria to Las Vegas Harry Reid Intl.
Search Deals

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 2,558,603 searches. Data last updated July 28, 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

Price

Cheapest round-trip
Quickest round-trip

PeoriaLas Vegas

PIA - LAS

PIALAS

Greater Peoria

Sat 12/5

5:20 pm-9:43 pm

1 stop6h 23m

Las Vegas Harry Reid Intl

Fri 12/11

12:30 am-10:21 am

1 stop7h 51m

$309

PeoriaLas Vegas

PIA - LAS

PIALAS

Greater Peoria

Thu 12/17

4:17 pm-10:50 pm

1 stop8h 33m

Las Vegas Harry Reid Intl

Sun 12/20

7:00 am-3:47 pm

1 stop6h 47m

$399

PeoriaLas Vegas

PIA - LAS

PIALAS

Greater Peoria

Thu 8/27

10:41 am-4:02 pm

1 stop7h 21m

Las Vegas Harry Reid Intl

Sun 8/30

11:55 pm-10:06 am

1 stop8h 11m

$399

PeoriaLas Vegas

PIA - LAS

PIALAS

Greater Peoria

Wed 12/2

5:20 pm-11:44 pm

1 stop8h 24m

Las Vegas Harry Reid Intl

Tue 12/8

12:59 am-1:41 pm

2 stops10h 42m

$404

PeoriaLas Vegas

PIA - LAS

PIALAS

Greater Peoria

Sat 9/26

8:30 am-8:08 pm

2 stops13h 38m

Las Vegas Harry Reid Intl

Mon 9/28

11:50 pm-10:06 am

1 stop8h 16m

$419

PeoriaLas Vegas

PIA - LAS

PIALAS

Greater Peoria

Fri 9/11

6:39 pm-11:20 pm

1 stop6h 41m

Las Vegas Harry Reid Intl

Mon 9/14

8:02 pm-9:57 am

2 stops11h 55m

$419

PeoriaLas Vegas

PIA - LAS

PIALAS

Greater Peoria

Thu 8/27

10:41 am-4:02 pm

1 stop7h 21m

Las Vegas Harry Reid Intl

Wed 9/2

11:51 am-10:43 pm

2 stops8h 52m

$419

PeoriaLas Vegas

PIA - LAS

PIALAS

Greater Peoria

Wed 8/19

8:45 am-2:39 pm

1 stop7h 54m

Las Vegas Harry Reid Intl

Sat 8/22

9:00 am-7:03 pm

1 stop8h 03m

$429

PeoriaLas Vegas

PIA - LAS

PIALAS

Greater Peoria

Fri 8/28

10:41 am-8:32 pm

2 stops11h 51m

Las Vegas Harry Reid Intl

Mon 8/31

11:55 pm-10:06 am

1 stop8h 11m

$434
Cheapest one-way

PeoriaLas Vegas

PIA - LAS

PIALAS

Greater Peoria

Sat 9/5

3:35 pm-10:52 pm

1 stop9h 17m

$200

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

Showing 1-10 of 13 resultsSorted by cheapest first
1
2

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 July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • 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.
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 $293). 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 July 28, 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.

How much does it cost to fly round-trip from Peoria, Illinois to Las Vegas?

Airfare is below average for this route at the moment.

Peoria, Illinois to Las Vegas flights typically cost between $233 and $426 in January.
The cheapest round-trip price found within the last 5 days was $132 on Allegiant Air (Jan 10-Jan 14).

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 July 28, 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.
United Airlines
7.4
Good
10,052 reviews

Food

6.6

Crew

8.1

Overall

7.4

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Ephraim,Jun 2023

EWR - LAS

Cancelled after 5 hours and they won't give back our bags
United Airlines
7.4
Good
10,052 reviews
United Airlines
7.4
Good
10,052 reviews

Food

6.6

Crew

8.1

Overall

7.4

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Ephraim,Jun 2023

EWR - LAS

Cancelled after 5 hours and they won't give back our bags
Allegiant Air
7.3
Good
681 reviews
United Airlines
7.4
Good
10,052 reviews

Food

6.6

Crew

8.1

Overall

7.4

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Ephraim,Jun 2023

EWR - LAS

Cancelled after 5 hours and they won't give back our bags
American Airlines
7.1
Good
11,847 reviews
United Airlines
7.4
Good
10,052 reviews

Food

6.6

Crew

8.1

Overall

7.4

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Ephraim,Jun 2023

EWR - LAS

Cancelled after 5 hours and they won't give back our bags

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.

  • How popular is this Peoria, Illinois to Las Vegas flight route?

    Within the past month, 1 users have taken a look at flights from Greater Peoria to Las Vegas Harry Reid Intl.

  • How long is the flight from Peoria, Illinois to Las Vegas?

    There are many flights that can get you from Peoria, Illinois to Las Vegas in 6h 23m. Fly via United Airlines or American Airlines to get the fastest option. Airlines will cover a distance of 1408 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Peoria, Illinois to Las Vegas round-trip?

    Currently priced at $158, Allegiant Air will fly you from Peoria, Illinois to Las Vegas and back. In addition to Allegiant Air, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from United Airlines and American Airlines - these airlines can fly you to your destination from $259 and $289, respectively. Allegiant Air is priced at 53% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest flights from Peoria, Illinois to Las Vegas?

    Looking for the cheapest flight from Peoria, Illinois to Las Vegas? While on average our users pay $264, our data indicates the cheapest price to be $184. The most popular route (Greater Peoria - Las Vegas Harry Reid Intl), is priced around $132.

  • Can I find deals for flights from Peoria to Las Vegas that include hotel bookings?

    Yes. In addition to deals on Peoria to Las Vegas flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Peoria to Las Vegas?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Peoria to Las Vegas.

  • Can I find deals for business class flights from Peoria to Las Vegas?

    Yes. Cheapflights offers flight deals from Peoria to Las Vegas by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • 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 $293). 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.

See more FAQs

Traveling to a place near Las Vegas?

Book flights to Las Vegas if you plan to visit one of these locations
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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 2,558,603 searches. Data last updated July 28, 2026.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$158Average$302FlexibilityNo cancel feeOn-time88%
United AirlinesCheapest$259Average$386FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$289Average$426FlexibilityNo cancel feeOn-time71%

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