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Flight tickets from Ontario International to Harry Reid International

Compare Ontario International to Harry Reid International flight deals

Find the cheapest month or even day of the year to fly to Harry Reid International

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Flight deals from Ontario International to Harry Reid International

Looking for a cheap last-minute deal or the best return flight from Ontario International Airport to Harry Reid International Airport? If you want to travel next month, return fares start from ₹ 5,235. Find the lowest prices on one-way and return tickets right here.
Las Vegas.₹ 2,531 per passenger.Departing Thu, 28 May.One-way flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Ontario International on Thu, 28 May, arriving in Harry Reid International.Price includes taxes and charges.From ₹ 2,531, select.
Las Vegas.₹ 2,610 per passenger.Departing Wed, 17 Jun.One-way flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Ontario International on Wed, 17 Jun, arriving in Harry Reid International.Price includes taxes and charges.From ₹ 2,610, select.
Las Vegas.₹ 2,636 per passenger.Departing Tue, 18 Aug.One-way flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Ontario International on Tue, 18 Aug, arriving in Harry Reid International.Price includes taxes and charges.From ₹ 2,636, select.
Las Vegas.₹ 2,655 per passenger.Departing Tue, 8 Sep.One-way flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Ontario International on Tue, 8 Sep, arriving in Harry Reid International.Price includes taxes and charges.From ₹ 2,655, select.
Las Vegas.₹ 2,748 per passenger.Departing Wed, 1 Jul.One-way flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Ontario International on Wed, 1 Jul, arriving in Harry Reid International.Price includes taxes and charges.From ₹ 2,748, select.
Las Vegas.₹ 11,330 per passenger.Departing Sat, 31 Oct.One-way flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Ontario International on Sat, 31 Oct, arriving in Harry Reid International.Price includes taxes and charges.From ₹ 11,330, select.
Las Vegas.₹ 12,820 per passenger.Departing Wed, 18 Nov.One-way flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Ontario International on Wed, 18 Nov, arriving in Harry Reid International.Price includes taxes and charges.From ₹ 12,820, select.
Las Vegas.₹ 12,820 per passenger.Departing Wed, 9 Dec.One-way flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Ontario International on Wed, 9 Dec, arriving in Harry Reid International.Price includes taxes and charges.From ₹ 12,820, select.
Las Vegas.₹ 12,839 per passenger.Departing Wed, 9 Dec.One-way flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Ontario International on Wed, 9 Dec, arriving in Harry Reid International.Price includes taxes and charges.From ₹ 12,839, select.
Las Vegas.₹ 12,839 per passenger.Departing Wed, 18 Nov.One-way flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Ontario International on Wed, 18 Nov, arriving in Harry Reid International.Price includes taxes and charges.From ₹ 12,839, select.
Las Vegas.₹ 12,859 per passenger.Departing Tue, 5 Jan.One-way flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Ontario International on Tue, 5 Jan, arriving in Harry Reid International.Price includes taxes and charges.From ₹ 12,859, select.
Las Vegas.₹ 12,878 per passenger.Departing Tue, 5 Jan.One-way flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Ontario International on Tue, 5 Jan, arriving in Harry Reid International.Price includes taxes and charges.From ₹ 12,878, select.
Las Vegas.₹ 19,400 per passenger.Departing Thu, 30 Apr.One-way flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Ontario International on Thu, 30 Apr, arriving in Harry Reid International.Price includes taxes and charges.From ₹ 19,400, select.
Las Vegas.₹ 36,141 per passenger.Departing Sun, 21 Feb.One-way flight with Alaska Airlines.Outbound indirect flight with Alaska Airlines, departs from Ontario International on Sun, 21 Feb, arriving in Harry Reid International.Price includes taxes and charges.From ₹ 36,141, select.

Find the cheapest month to fly from Ontario International to Harry Reid International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Ontario International to Harry Reid International flights are currently cheapest in May.
Apr
from ₹ 19,400
May
from ₹ 2,531
Jun
from ₹ 2,610
Jul
from ₹ 2,748
Aug
from ₹ 2,636
Sep
from ₹ 2,655
Oct
from ₹ 11,330
Nov
from ₹ 12,820
Dec
from ₹ 12,820
Jan
from ₹ 12,859
Feb
from ₹ 36,141
Mar
Find prices

Direct flights from Ontario International to Harry Reid International

Ontario International to Harry Reid International: Alternative routes

Compare routes from Ontario International to Las Vegas below. You may find an airport to fly into that's cheaper, faster, or easier than Harry Reid International.

North Las Vegas

2km from central Las Vegas
Closest
Search flights

Harry Reid International

4km from central Las Vegas
Cheapest
from ₹ 2,531
Search flights

Henderson Executive

17km from central Las Vegas
Search flights

Boulder City Municipal

34km from central Las Vegas
Search flights

Ontario to Las Vegas: Flight information

The things to know before you go.
Cheapest flight found₹ 2,531
Cheapest month to flyMay
Average flight time1 hr, 8 mins
Most popular airlineSouthwest Airlines
Average flights per week61

Finding cheap flights from Ontario International to Harry Reid International: Frequently asked questions

The best price we found for a return flight from Ontario International to Harry Reid International is ₹ 5,227. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
1 hour and 8 minutes is the average flight time from Ontario International to Harry Reid International.
Southwest Airlines, Frontier Airlines and Volaris fly direct from Ontario International to Harry Reid International.
As of April 2026, there are 61 flights per week flying from Ontario International to Harry Reid International.
The cheapest month to fly from Ontario International to Harry Reid International is usually June.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Ontario International Airport to Harry Reid International Airport on Wednesday, 3 June 2026.
Yes – the average flight time is 1 hour and 8 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Harry Reid International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Las Vegas is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Frontier Airlines offers the cheapest flight tickets to Harry Reid International.

Flying from Ontario International Airport (ONT) to Harry Reid Airport (formerly McCarran Airport) (LAS): what you need to know

  • Hop on a direct flight from Ontario International Airport to Harry Reid Airport (formerly McCarran Airport) and you'll be travelling for an average of 1 hour 10 minutes.

  • Ontario and Las Vegas share the same timezone, UTC-7.

  • Take your pick of 44 weekly Ontario International Airport to Harry Reid Airport (formerly McCarran Airport) flights. The 05:25 departure with Southwest Airlines is the earliest flight you can take. Frontier Airlines operates the last service of the day at 23:31.

  • Arriving two hours before an international flight and one hour ahead of a domestic departure are golden rules for stress-free travel. Show up at the airport on time to board your ONT to LAS flight.

  • Flying during a peak time like August? School holidays and other popular seasons can lead to longer queues and delays at airport checkpoints. Play things extra safe and arrive up to four hours before an international flight and two hours before domestic departures.

  • Frontier Airlines has direct flights from Ontario International Airport to Harry Reid Airport (formerly McCarran Airport). Book with this popular carrier, then get ready to see the sights in Las Vegas — and maybe even more of United States if you have time.

  • Frontier Airlines tops the list for bookings on this route.

  • With a dependable 85.19% of services landing on schedule, Southwest Airlines has the best on-time performance for ONT to LAS flights.

  • We make it simple to book a flight with a stopover. To see your options for tickets from Ontario International Airport to Harry Reid Airport (formerly McCarran Airport), deselect 'Direct flights only.' Then, pick a flight with a stop long enough to explore the city of your choice. Top stopovers between ONT and LAS include:

    • Phoenix Sky Harbour International Airport

    • Sacramento International Airport

    • Norman Y. Mineta San Jose International Airport

How to find the cheapest flights from Ontario International Airport (ONT) to Harry Reid Airport (formerly McCarran Airport) (LAS)

  • At the moment, ₹ 2,531 is the cheapest price we've found for a one-way Ontario International Airport to Harry Reid Airport (formerly McCarran Airport) flight. The best price for a return ticket is ₹ 5,227. Bear in mind that fares may change due to availability when booking.

  • Book six months before flying. After crunching the numbers on our calendar, this is how far you'll want to book ahead to secure cheap tickets from ONT to LAS.

  • Organise your trip for May. That's the cheapest month for flights from Ontario International Airport to Harry Reid Airport (formerly McCarran Airport). If you're flexible on when you fly, use the 'Whole month' tool to see the lowest price across every month.

  • Never miss a deal on cheap flights from ONT to LAS by creating a Price Alert. We'll send you an email or notification on the app when a lower fare becomes available.

  • Lock in the perfect flight for you by using the filters. To see the 'Cheapest,' 'Fastest' or 'Best' flights from Ontario International Airport to Harry Reid Airport (formerly McCarran Airport), use the 'Sort by' function. You can also filter results by departure and arrival times, airline, and number of stops.

Handy information about Ontario International Airport (ONT)

  • ONT is located at 2900 E. Airport Drive.

  • Ontario International Airport scores top marks for its on-time performance. 83.6% of flights that depart ONT arrive at their destination as scheduled.

  • Central Ontario to Ontario International Airport is around 6 kilometres. Depending on traffic, it'll take about 10 minutes to get there if you're ride-sharing, catching a cab or driving.

  • The journey on public transport takes about 1 hour 30 minutes.

  • Catching an early flight from Ontario International Airport to Harry Reid Airport (formerly McCarran Airport)? Avoid the hassle of rushing to the terminal (and sneak in some extra snooze time) by choosing one of these hotels close to ONT:

Arriving at Harry Reid Airport (formerly McCarran Airport) (LAS)

Getting from Harry Reid Airport (formerly McCarran Airport) (LAS) to central Las Vegas

  • LAS is located at 5757 Wayne Newton Boulevard.

  • Harry Reid Airport (formerly McCarran Airport) to the centre of Las Vegas has a drive time of about 15 minutes. It's approximately 19 kilometres away.

  • It'll take around 1 hour if you're travelling by public transport.

When to fly to Harry Reid Airport (formerly McCarran Airport) (LAS)

  • The quietest month for a flight from Ontario International Airport to Harry Reid Airport (formerly McCarran Airport) is May, while October is the busiest. Pick the best time to visit Las Vegas based on whether you prefer a more relaxed vibe or a faster pace.

  • When booking your flight from Ontario International Airport to Harry Reid Airport (formerly McCarran Airport), think about the kind of weather you enjoy. July is the warmest month in Las Vegas, with the temperature ranging from 23ºC to 42ºC.

  • If you want to travel in cooler conditions, search for a cheap ticket from ONT to LAS in January. Average temperatures are between -1ºC and 13ºC then.

Explore more of United States

  • You've done Las Vegas, now it's time to discover more of United States. Travel around 370 kilometres south-west to Los Angeles to tick off its leading attractions. From Griffith Observatory to The Broad and La Brea Tar Pits & Museum, you'll have a full itinerary ahead.

  • Phoenix is another standout destination in United States and is around 418 kilometres south-east of Las Vegas. No trip is complete without a visit to Desert Botanical Garden, Heard Museum and Papago Park.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.