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$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 5/4. Fares are subject to change and may not be available on all flights or dates of travel.
PIA — LAS
Apr 9 — Apr 161
Thu 4/9
Thu 4/16
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

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Cheapflights Tip: The best prices from Greater Peoria to Las Vegas Harry Reid Intl are usually found in July or June, booked 37 days in advance, depart on a Tuesday 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 March 10, 2026.

This Booking.com 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/41:33 pm
PIA
-
LAS
Nonstop3h 37m
Allegiant Air
Fri 5/87:35 am
LAS
-
PIA
Nonstop3h 08m
Allegiant Air
Deal found 3/7$181
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/61:28 pm
PIA
-
LAS
Nonstop3h 37m
Allegiant Air
Fri 4/177:35 am
LAS
-
PIA
Nonstop3h 08m
Allegiant Air
Deal found 3/7$196
This Booking.com 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/201:33 pm
PIA
-
LAS
Nonstop3h 37m
Allegiant Air
Fri 4/247:35 am
LAS
-
PIA
Nonstop3h 08m
Allegiant Air
Deal found 3/7$198
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/2512:53 pm
PIA
-
LAS
Nonstop3h 40m
Allegiant Air
Fri 5/296:45 am
LAS
-
PIA
Nonstop3h 18m
Allegiant Air
Deal found 3/9$211
This Mytrip deal was found by Cheapflights users on 3/6. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/31:28 pm
PIA
-
LAS
Nonstop3h 37m
Allegiant Air
Fri 4/247:35 am
LAS
-
PIA
Nonstop3h 08m
Allegiant Air
Deal found 3/6$228
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/131:33 pm
PIA
-
LAS
Nonstop3h 37m
Allegiant Air
Fri 4/177:35 am
LAS
-
PIA
Nonstop3h 08m
Allegiant Air
Deal found 3/9$238
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/2912:55 pm
PIA
-
LAS
Nonstop3h 30m
Allegiant Air
Fri 7/36:40 am
LAS
-
PIA
Nonstop3h 19m
Allegiant Air
Deal found 3/8$239
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/78:38 pm
PIA
-
LAS
Nonstop3h 31m
Allegiant Air
Fri 9/112:43 pm
LAS
-
PIA
Nonstop3h 19m
Allegiant Air
Deal found 3/9$247

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 March 10, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$181
(Booking.com)

One-way from

$80
(Cheapflightsfares)

Popular in

March

Cheapest in

July

Average price

$386

Good round-trip deal

$286 or less

Good one-way deal

$145 or less
Provider with most accurate pricing for Greater Peoria-Las Vegas Harry Reid Intl flight deals.
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Provider most trusted by Cheapflights users for Greater Peoria-Las Vegas Harry Reid Intl flights.
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From Greater Peoria to Las Vegas Harry Reid Intl
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One-way flight from Greater Peoria to Las Vegas Harry Reid Intl
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($64 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals
Price to beat on a round-trip flight from Greater Peoria to Las Vegas Harry Reid Intl.
Search Deals
Price to beat on a one-way 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 March 10, 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

Fri 4/3

7:43 pm-11:59 pm

1 stop6h 16m

Las Vegas Harry Reid Intl

Wed 4/8

12:55 pm-9:13 pm

1 stop6h 18m

$294

PeoriaLas Vegas

PIA - LAS

PIALAS

Greater Peoria

Thu 4/30

7:05 pm-11:08 pm

1 stop6h 03m

Las Vegas Harry Reid Intl

Wed 5/6

12:59 am-11:42 am

1 stop8h 43m

$309

PeoriaLas Vegas

PIA - LAS

PIALAS

Greater Peoria

Thu 4/23

7:43 pm-11:59 pm

1 stop6h 16m

Las Vegas Harry Reid Intl

Mon 4/27

11:59 pm-10:02 am

1 stop8h 03m

$309

PeoriaLas Vegas

PIA - LAS

PIALAS

Greater Peoria

Thu 4/30

1:35 pm-8:44 pm

2 stops9h 09m

Las Vegas Harry Reid Intl

Thu 5/7

4:28 pm-12:06 am

1 stop5h 38m

$346

PeoriaLas Vegas

PIA - LAS

PIALAS

Greater Peoria

Sat 5/23

1:21 pm-11:57 pm

2 stops12h 36m

Las Vegas Harry Reid Intl

Tue 5/26

12:36 am-10:10 am

1 stop7h 34m

$364

PeoriaLas Vegas

PIA - LAS

PIALAS

Greater Peoria

Sat 7/11

8:20 am-10:19 pm

2 stops15h 59m

Las Vegas Harry Reid Intl

Wed 7/15

8:31 pm-10:10 am

2 stops11h 39m

$369

PeoriaLas Vegas

PIA - LAS

PIALAS

Greater Peoria

Tue 4/28

6:30 am-2:34 pm

2 stops10h 04m

Las Vegas Harry Reid Intl

Fri 5/1

12:36 am-2:04 pm

2 stops11h 28m

$369

PeoriaLas Vegas

PIA - LAS

PIALAS

Greater Peoria

Sat 6/27

5:33 pm-9:54 pm

1 stop6h 21m

Las Vegas Harry Reid Intl

Wed 7/1

12:36 am-10:10 am

1 stop7h 34m

$374

PeoriaLas Vegas

PIA - LAS

PIALAS

Greater Peoria

Sat 5/9

5:30 pm-10:02 pm

1 stop6h 32m

Las Vegas Harry Reid Intl

Wed 5/13

11:59 pm-10:04 am

1 stop8h 05m

$379

PeoriaLas Vegas

PIA - LAS

PIALAS

Greater Peoria

Sat 6/27

2:39 pm-9:54 pm

1 stop9h 15m

Las Vegas Harry Reid Intl

Mon 6/29

9:10 pm-10:10 am

2 stops11h 00m

$379

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/7

Showing 1-10 of 22 resultsSorted by cheapest first
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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 March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy2 starsTrust Score*2 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?

Use this chart to determine the optimal time to book a round-trip flight from Peoria to Las Vegas. Price data was last updated on March 6, 2026.

The best time to book flights from Peoria, Illinois to Las Vegas is 37 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, January is the cheapest month in which you can book a flight from Peoria, Illinois to Las Vegas (average of $116). Flying from Peoria, Illinois to Las Vegas in March is currently the most expensive (average of $189). 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 March 10, 2026.

It’s typically best to fly out from Peoria, Illinois to Las Vegas in the afternoon. Doing so could potentially save you 36% 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?

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 10, 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
9,409 reviews

Comfort

7.3

Boarding

7.7

Crew

8.1

Entertainment

7.1

Food

6.6

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,409 reviews
United Airlines
7.4
Good
9,409 reviews

Comfort

7.3

Boarding

7.7

Crew

8.1

Entertainment

7.1

Food

6.6

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
Allegiant Air
7.3
Good
714 reviews
United Airlines
7.4
Good
9,409 reviews

Comfort

7.3

Boarding

7.7

Crew

8.1

Entertainment

7.1

Food

6.6

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
American Airlines
7.1
Good
11,414 reviews
United Airlines
7.4
Good
9,409 reviews

Comfort

7.3

Boarding

7.7

Crew

8.1

Entertainment

7.1

Food

6.6

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

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, 2 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 03m. 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 $140, 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 American Airlines and United Airlines - these airlines can fly you to your destination from $258 and $259, respectively. Allegiant Air is priced at 55% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Peoria, Illinois to Las Vegas one-way?

    For one-way options, check prices for Allegiant Air. According to our data, you can fly for as low as $75. Users have also found prices from $104 and $209 on American Airlines and United Airlines, respectively.

  • 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 $247, our data indicates the cheapest price to be $137. The most popular route (Greater Peoria - Las Vegas Harry Reid Intl), is priced around $188.

  • 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, January is the cheapest month in which you can book a flight from Peoria, Illinois to Las Vegas (average of $116). Flying from Peoria, Illinois to Las Vegas in March is currently the most expensive (average of $189). 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
Paradise
Henderson
Mesquite
North Las Vegas
Kingman
Winchester
Boulder City
Needles
Sunrise Manor

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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 March 10, 2026.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$140Average$267FlexibilityNo cancel feeOn-time88%
American AirlinesCheapest$258Average$378FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$259Average$377FlexibilityNo cancel feeOn-time69%

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