Lowest Prices
Uncover the best deals on Las Vegas to Ontario flights by comparing fares from hundreds of airlines and agencies.
Good to Know: Cheapest and Fastest LAS - ONT Flights
Useful information for finding best airline tickets from McCarran International to Ontario International on your next trip.
Cheapest Round Trip Flight
$549
Southwest Airlines
• 1 stop
• 7h 5m
Aug 10 – Aug 17
The cheapest round trip flight from Las Vegas to Ontario (LAS-ONT-LAS) is currently $549
Cheapest Direct Flight
$252
Frontier Airlines
• nonstop
• 1h 58m
Aug 10
The cheapest nonstop flight from Las Vegas to Ontario (LAS-ONT) is currently $252
Fastest Flight
1h 40m
The fastest nonstop flight from Las Vegas to Ontario (LAS-ONT) takes 1h 40m
Top Airlines Flying from Las Vegas to Ontario
Latest Flight Deals from Las Vegas (LAS) to Ontario (ONT)
Compare and book low fare round-trip air tickets from Las Vegas to Ontario. Ideal for travelers with confirmed return itineraries.
Aug 10 - Aug 17, Economy
Las Vegas → Ontario
7h 5m
4:50 PM - 9:15 PM • 1 stop
Las Vegas → Ontario
5h 25m
2:40 PM - 6:05 PM • 1 stop
Southwest Airlines
Aug 10 - Aug 17, Economy
Las Vegas → Ontario
1h 40m
8:45 PM - 9:45 PM • nonstop
Las Vegas → Ontario
1h 50m
8:30 AM - 9:40 AM • nonstop
Southwest Airlines
Aug 10 - Aug 17, Economy
Las Vegas → Ontario
26h 40m
7:16 PM - 11:16 AM • 1 stop
Las Vegas → Ontario
30h 19m
6:01 PM - 12:20 PM • 1 stop
Delta Airlines
Aug 10 - Aug 17, Economy
Las Vegas → Ontario
36h 45m
7:16 PM - 5:21 PM • 1 stop
Las Vegas → Ontario
12h 39m
6:20 AM - 2:19 PM • 1 stop
Delta Airlines
Aug 10 - Aug 17, Economy
Las Vegas → Ontario
16h 54m
6:10 AM - 4:24 PM • 2 stops
Las Vegas → Ontario
27h 26m
6:20 AM - 11:06 PM • 1 stop
Delta Airlines
Flying to Ontario soon? We've surfaced some of the most affordable last-minute flights from Las Vegas to Ontario, ideal for urgent plans or spontaneous trips.
Aug 10 - Aug 17, Economy
Las Vegas → Ontario
7h 5m
4:50 PM - 9:15 PM • 1 stop
Las Vegas → Ontario
5h 25m
2:40 PM - 6:05 PM • 1 stop
Southwest Airlines
Aug 10 - Aug 17, Economy
Las Vegas → Ontario
1h 40m
8:45 PM - 9:45 PM • nonstop
Las Vegas → Ontario
1h 50m
8:30 AM - 9:40 AM • nonstop
Southwest Airlines
Aug 10 - Aug 17, Economy
Las Vegas → Ontario
26h 40m
7:16 PM - 11:16 AM • 1 stop
Las Vegas → Ontario
30h 19m
6:01 PM - 12:20 PM • 1 stop
Delta Airlines
Aug 10 - Aug 17, Economy
Las Vegas → Ontario
36h 45m
7:16 PM - 5:21 PM • 1 stop
Las Vegas → Ontario
12h 39m
6:20 AM - 2:19 PM • 1 stop
Delta Airlines
Aug 10 - Aug 17, Economy
Las Vegas → Ontario
16h 54m
6:10 AM - 4:24 PM • 2 stops
Las Vegas → Ontario
27h 26m
6:20 AM - 11:06 PM • 1 stop
Delta Airlines
Looking for the fastest way to Ontario? These direct flight options from LAS to ONT offer both convenience and value—no layovers, just straight to your destination.
Aug 10 - Aug 17, Economy
Las Vegas → Ontario
1h 58m
8:12 AM - 9:30 AM • nonstop
Las Vegas → Ontario
1h 49m
4:09 PM - 5:18 PM • nonstop
Frontier Airlines
Aug 10 - Aug 17, Economy
Las Vegas → Ontario
1h 40m
8:45 PM - 9:45 PM • nonstop
Las Vegas → Ontario
1h 50m
8:30 AM - 9:40 AM • nonstop
Southwest Airlines
Aug 10 - Aug 17, Economy
Las Vegas → Ontario
1h 45m
6:20 PM - 7:25 PM • nonstop
Las Vegas → Ontario
1h 45m
5:40 AM - 6:45 AM • nonstop
Southwest Airlines
Aug 10 - Aug 17, Economy
Las Vegas → Ontario
1h 45m
8:50 AM - 9:55 AM • nonstop
Las Vegas → Ontario
1h 50m
8:30 AM - 9:40 AM • nonstop
Southwest Airlines
Aug 10 - Aug 17, Economy
Las Vegas → Ontario
1h 50m
10:15 AM - 11:25 AM • nonstop
Las Vegas → Ontario
1h 45m
5:40 AM - 6:45 AM • nonstop
Southwest Airlines
FAQs on Las Vegas to Ontario Flights
What are the airports in Las Vegas?
LAS
What’s the most popular airline flying from LAS to ONT?
The most popular airline flying from Las Vegas to Ontario are
Can I fly from LAS to ONT non-stop?
Yes, you can fly LAS to ONT non-stop on
Which airlines fly nonstop between Las Vegas and Ontario?
The non-stop flights between Las Vegas and Ontario are .
What’s the earliest departure time from LAS to ONT Airport?
The earliest flight leaves LAS at 6:10 am and lands in ONT - Ontario International
What are the airports in Ontario?
ONT
Can I make changes to my Las Vegas to Ontario flight tickets or cancel them on FareLeaders.com?
No. We are an airfare comparison site. All the tickets are booked by the travel agent offering the flight deal and any changes or cancellations to be made are directly done directly by them or the airlines.
Can I cancel my flight tickets from LAS to ONT?
Read the fare rules of the Las Vegas to Ontario air tickets booked. Some airlines allow you to cancel the tickets within a stipulated time period with a cancellation fee.
Which airline alliances offer flights from Las Vegas and Ontario?
operate flights between Las Vegas and Ontario
How long does a flight from Las Vegas to Ontario take?
It takes approximately 1 hour to fly non-stop from LAS to ONT, which is 196.8 miles by air.
Which airlines provide the cheapest flights from Las Vegas (LAS) to Ontario (ONT) ?
In the past couple of days, the cheapest tickets to ONT from LAS were found on DL : USD 570
Do I need a passport to fly between LAS and ONT?
No
What’s the latest departure time from LAS to ONT ?
The last flight leaves LAS at 8:45 pm
Las Vegas (LAS) to Ontario (ONT): Airport Information
| Origin Airport | McCarran International , Las Vegas, US |
| Destination Airport | Ontario International , Ontario, US |
| Distance | 197 miles |
More Flight Options for Las Vegas (LAS) and Ontario (ONT)
Flights from Las Vegas (LAS)
to Los Angeles (LAX)
Flights from Las Vegas (LAS)
to Tampa (TPA)
Flights from Las Vegas (LAS)
to Seattle (SEA)
Flights from Las Vegas (LAS)
to Atlanta (ATL)
Flights from Las Vegas (LAS)
to Portland (PDX)
Flights from Las Vegas (LAS)
to Austin (AUS)
Flights from Las Vegas (LAS)
to Boston (BOS)
Flights from Las Vegas (LAS)
to San Diego (SAN)
Flights from Las Vegas (LAS)
to New York (JFK)
Flights from Las Vegas (LAS)
to Ontario (ONT)
Flights from Las Vegas (LAS)
to Ontario (ONT)
Flights from Las Vegas (LAS)
to Reno (RNO)
Flights from Las Vegas (LAS)
to Cincinnati (CVG)
Flights from Las Vegas (LAS)
to Indianapolis (IND)
Flights from Las Vegas (LAS)
to Nashville (BNA)
Flights from Las Vegas (LAS)
to Manila (MNL)
Flights from Las Vegas (LAS)
to Dallas (DAL)
Flights from Las Vegas (LAS)
to Albany (ALB)
Flights from Las Vegas (LAS)
to Philadelphia (PHL)
Flights from Las Vegas (LAS)
to Orlando (MCO)
Flights from Baltimore (BWI)
to Ontario (ONT)
Flights from Baltimore (BWI)
to Ontario (ONT)
Flights from Salt Lake City (SLC)
to Ontario (ONT)
Flights from Salt Lake City (SLC)
to Ontario (ONT)
Flights from Las Vegas (LAS)
to Ontario (ONT)
Flights from Las Vegas (LAS)
to Ontario (ONT)
Flights from Oakland (OAK)
to Ontario (ONT)
Flights from Seattle (SEA)
to Ontario (ONT)
Flights from Seattle (SEA)
to Ontario (ONT)
Flights from Dallas (DAL)
to Ontario (ONT)
Flights from Dallas (DAL)
to Ontario (ONT)
Flights from Boston (BOS)
to Ontario (ONT)
Flights from Boston (BOS)
to Ontario (ONT)
Flights from San Jose (SJC)
to Ontario (ONT)
Flights from Austin (AUS)
to Ontario (ONT)
Flights from Austin (AUS)
to Ontario (ONT)
Flights from Omaha (OMA)
to Ontario (ONT)
Flights from Omaha (OMA)
to Ontario (ONT)
Flights from Boise (BOI)
to Ontario (ONT)
Flights from Boise (BOI)
to Ontario (ONT)
Cheap flights to North America (NA)
Cheap flights to United States (US)
Cheap flights to Nevada (US-NV)
Cheap flights to California (US-CA)
Cheap flights from North America (NA)
Cheap flights from United States (US)
Cheap flights from Nevada (US-NV)
Cheap flights from California (US-CA)
Flights to Las Vegas (LAS)
Flights to Ontario (ONT)
Flights to Ontario (ONT)
Flights from Las Vegas (LAS)
Flights from Ontario (ONT)
Flights from Ontario (ONT)
to Las Vegas (LAS)
Flights from Ontario (ONT)
to Las Vegas (LAS)
Why Fareleaders for LAS to ONT Plane Tickets
New Deals Everyday
Get the best prices on LAS to ONT flights—we update our fares daily so you never miss a saving.
No Service Fees
Compare hundreds of Las Vegas to Ontario flights and secure the best deals—we never add any service fees.