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Cheap flights from Ontario to Las Vegas from $27

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Las Vegas departing on 7/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags
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To?
Tue 6/18
Tue 6/25

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Easily compare round-trip flights from Ontario to Las Vegas

Below you can see the best fares for your round-trip flight route over the next six months. All fares were found on momondo this week. Browse the quickest and cheapest flights from Ontario to Las Vegas by changing tabs
Frontier
Aug 31
ONT8:35 pmOntario
1h 19m
LAS9:54 pmLas Vegas Harry Reid Intl
Sep 13
LAS4:27 pmLas Vegas Harry Reid Intl
1h 09m
ONT5:36 pmOntario
Frontier
Aug 5
ONT7:04 pmOntario
1h 14m
LAS8:18 pmLas Vegas Harry Reid Intl
Aug 7
LAS8:00 amLas Vegas Harry Reid Intl
1h 03m
ONT9:03 amOntario
Frontier
Aug 6
ONT7:16 pmOntario
1h 14m
LAS8:30 pmLas Vegas Harry Reid Intl
Aug 13
LAS11:38 amLas Vegas Harry Reid Intl
1h 09m
ONT12:47 pmOntario
Frontier
Aug 24
ONT5:30 pmOntario
1h 13m
LAS6:43 pmLas Vegas Harry Reid Intl
Aug 26
LAS11:52 amLas Vegas Harry Reid Intl
1h 09m
ONT1:01 pmOntario
Frontier
Aug 3
ONT10:30 pmOntario
1h 29m
LAS11:59 pmLas Vegas Harry Reid Intl
Aug 6
LAS1:49 pmLas Vegas Harry Reid Intl
1h 08m
ONT2:57 pmOntario
Frontier
Jul 2
ONT5:26 pmOntario
1h 10m
LAS6:36 pmLas Vegas Harry Reid Intl
Jul 10
LAS11:38 amLas Vegas Harry Reid Intl
1h 08m
ONT12:46 pmOntario

Find the cheapest one-way flights from Ontario to Las Vegas

If you're looking for one-way flights from Ontario to Las Vegas, view some of our deals below provided by Frontier
Frontier
Jul 23
ONT7:16 pmOntario
1h 14m
LAS8:30 pmLas Vegas Harry Reid Intl
Frontier
Jul 5
ONT4:31 pmOntario
1h 17m
LAS5:48 pmLas Vegas Harry Reid Intl
Frontier
Jul 4
ONT7:33 pmOntario
1h 06m
LAS8:39 pmLas Vegas Harry Reid Intl

Find the cheapest direct flights from Ontario to Las Vegas

Frontier
Aug 20
ONT12:00 pmOntario
1h 13m
LAS1:13 pmLas Vegas Harry Reid Intl
Aug 20
LAS5:00 pmLas Vegas Harry Reid Intl
1h 09m
ONT6:09 pmOntario
Frontier
Aug 31
ONT8:35 pmOntario
1h 19m
LAS9:54 pmLas Vegas Harry Reid Intl
Sep 13
LAS4:27 pmLas Vegas Harry Reid Intl
1h 09m
ONT5:36 pmOntario
Frontier
Aug 5
ONT7:04 pmOntario
1h 14m
LAS8:18 pmLas Vegas Harry Reid Intl
Aug 7
LAS8:00 amLas Vegas Harry Reid Intl
1h 03m
ONT9:03 amOntario
Frontier
Aug 6
ONT7:16 pmOntario
1h 14m
LAS8:30 pmLas Vegas Harry Reid Intl
Aug 13
LAS11:38 amLas Vegas Harry Reid Intl
1h 09m
ONT12:47 pmOntario
Frontier
Jul 31
ONT8:00 pmOntario
1h 17m
LAS9:17 pmLas Vegas Harry Reid Intl
Aug 8
LAS9:49 amLas Vegas Harry Reid Intl
1h 08m
ONT10:57 amOntario
Frontier
Aug 3
ONT10:30 pmOntario
1h 29m
LAS11:59 pmLas Vegas Harry Reid Intl
Aug 6
LAS1:49 pmLas Vegas Harry Reid Intl
1h 08m
ONT2:57 pmOntario

Search last-minute flights to Las Vegas from Ontario

Find and compare round-trip flight prices for your last-minute flight from Ontario to Las Vegas
Frontier
Jun 19
ONT5:41 pmOntario
1h 10m
LAS6:51 pmLas Vegas Harry Reid Intl
Jun 22
LAS7:41 amLas Vegas Harry Reid Intl
1h 03m
ONT8:44 amOntario
Frontier
Jun 19
ONT5:41 pmOntario
1h 10m
LAS6:51 pmLas Vegas Harry Reid Intl
Jun 22
LAS7:41 amLas Vegas Harry Reid Intl
1h 03m
ONT8:44 amOntario
Frontier
Jun 19
ONT5:41 pmOntario
1h 10m
LAS6:51 pmLas Vegas Harry Reid Intl
Jun 20
LAS6:00 amLas Vegas Harry Reid Intl
1h 03m
ONT7:03 amOntario
Frontier
Jun 22
ONT9:35 pmOntario
1h 13m
LAS10:48 pmLas Vegas Harry Reid Intl
Jun 27
LAS6:00 amLas Vegas Harry Reid Intl
1h 03m
ONT7:03 amOntario
Frontier
Jun 19
ONT8:55 pmOntario
1h 10m
LAS10:05 pmLas Vegas Harry Reid Intl
Jun 21
LAS12:04 pmLas Vegas Harry Reid Intl
1h 10m
ONT1:14 pmOntario
Frontier
Jun 23
ONT9:45 pmOntario
1h 13m
LAS10:58 pmLas Vegas Harry Reid Intl
Jun 28
LAS12:04 pmLas Vegas Harry Reid Intl
1h 10m
ONT1:14 pmOntario

Frontier flights from Ontario to Las Vegas

Our best Frontier deals on Ontario to Las Vegas flight tickets
Frontier
Aug 31
ONT8:35 pmOntario
1h 19m
LAS9:54 pmLas Vegas Harry Reid Intl
Sep 13
LAS4:27 pmLas Vegas Harry Reid Intl
1h 09m
ONT5:36 pmOntario
Frontier
Aug 5
ONT7:04 pmOntario
1h 14m
LAS8:18 pmLas Vegas Harry Reid Intl
Aug 7
LAS8:00 amLas Vegas Harry Reid Intl
1h 03m
ONT9:03 amOntario
Frontier
Aug 6
ONT7:16 pmOntario
1h 14m
LAS8:30 pmLas Vegas Harry Reid Intl
Aug 13
LAS11:38 amLas Vegas Harry Reid Intl
1h 09m
ONT12:47 pmOntario

How to get the cheapest flight ticket from Ontario to Las Vegas

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly from Ontario to Las Vegas?

January. The cheapest time of year to fly to Las Vegas from Ontario is January. Most expensive is February

What is the cheapest day to depart Ontario for Las Vegas?

Tuesday. The cheapest day of the week is typically Tuesday. The most expensive is typically Friday

When is the cheapest time to fly from Ontario to Las Vegas?

In the evening. Ontario to Las Vegas flights are approximately 26% more expensive at noon than in the evening

What is the cheapest airline that flies to Las Vegas from Ontario?

Breeze Airways. Alaska Airlines, Breeze Airways, and Delta are the most popular carriers operating from Ontario to Las Vegas

What is the cheapest Ontario to Las Vegas flight route?

Ontario - Las Vegas Harry Reid Intl. Fly from Ontario to Las Vegas Harry Reid Intl for the best Ontario - Las Vegas flight prices

How far in advance should you book Ontario to Las Vegas flights?

60 days before. The cheapest time to buy a flight from Ontario to Las Vegas is approximately 60 days to departure

How many flights depart from Ontario to Las Vegas on average per day?

As of June 2024, there are 6 flights per week flying from Ontario to Las Vegas. The most common time of day flights depart is 4:00PM, with 43% of flights taking off in the afternoon.

How many flights depart from Ontario to Las Vegas on average per week?

The number of flights available between Ontario and Las Vegas is 47 per week as of June 2024. The most frequent departure day is Monday, with 19% of weekly flights leaving on this day.

What cabin class options are available on Ontario to Las Vegas flights?

There are 2 cabin classes available to choose from on Ontario to Las Vegas flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Ontario to Las Vegas flights?

No. A direct flight is the cheapest option for a flight between Ontario to Las Vegas.

Cheap Ontario to Las Vegas (ONT to LAS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ontario to Las Vegas

Best Price Found

$27

Fastest flight time

1h 06m

Direct flights

Mon, Tue, Wed, Fri, Sat and Sun

Airports in Las Vegas

1 airport
The best one-way flight to Las Vegas from Ontario in the past 72 hours is $27. The best round-trip flight deal from Ontario to Las Vegas found on momondo in the last 72 hours is $38.
The fastest flight from Ontario to Las Vegas takes 1h 06m
Direct flights go from Ontario to Las Vegas on Monday, Tuesday, Wednesday, Friday, Saturday and Sunday. The only airline offering direct flights is Frontier.
There is 1 airport near Las Vegas: Las Vegas Harry Reid Intl (LAS)

  • How far is Ontario to Las Vegas Harry Reid Intl by plane?

    The distance between Ontario and Las Vegas Harry Reid Intl is about 203.5 mi. In terms of flight time, this usually takes a little over 1h 06m.

  • When did momondo last update prices for flights from Ontario Airport to Las Vegas Harry Reid Intl Airport?

    Prices for flights from Ontario Airport to Las Vegas Harry Reid Intl Airport are updated daily.

  • How many operators does momondo search for flights from Ontario Airport to Las Vegas Harry Reid Intl Airport?

  • How old do you have to be to fly from Ontario Airport to Las Vegas Harry Reid Intl Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Ontario Airport to Las Vegas Harry Reid Intl Airport.

  • What documentation or ID do you need to fly to Las Vegas Harry Reid Intl Airport?

    The necessary travel and health documents for your Las Vegas Harry Reid Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.


Best airlines flying from Ontario to Las Vegas

Compare and see reviews for airlines that fly from Ontario to Las Vegas with momondo
Airline
Rating
Free Cancellation
Price
Alaska AirlinesPriceFrom $35Free CancellationRating
8.0
9,272 reviews
Search Alaska Airlines flights
Breeze AirwaysPriceFrom $36Free CancellationRating
8.1
78 reviews
Search Breeze Airways flights
Spirit AirlinesPriceFrom $38Free CancellationRating
6.4
8,537 reviews
Search Spirit Airlines flights
FrontierPriceFrom $38Free CancellationRating
6.2
3,951 reviews
Search Frontier flights
JetBluePriceFrom $39Free CancellationRating
7.6
4,260 reviews
Search JetBlue flights
DeltaPriceFrom $45Free CancellationRating
8.0
10,000 reviews
Search Delta flights
United AirlinesPriceFrom $48Free CancellationRating
7.4
10,000 reviews
Search United Airlines flights
Ravn AlaskaPriceFrom $71Free CancellationRating
8.6
10 reviews
Search Ravn Alaska flights
American AirlinesPriceFrom $186Free CancellationRating
7.3
10,000 reviews
Search American Airlines flights
  • Frontier Flights From Ontario to Las Vegas

    Across 7 Frontier flights from Ontario to Las Vegas this week, the average price was $82, with the best Frontier deals starting from $38 round-trip. 3,951 users have rated Frontier on momondo, with an average score of 6.2/10.


Why use momondo?

Why should I use momondo to find a flight deal from Ontario to Las Vegas?

Finding the right flight to Las Vegas from Ontario is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Las Vegas quick and easy, saving you time and money.

Can I find flights from Ontario to Las Vegas with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Ontario to Las Vegas flights to just show those with flexible booking policies.

How can momondo help me find flights from Ontario to Las Vegas?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Ontario to Las Vegas.

I’m not ready to book a flight from Ontario to Las Vegas right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Las Vegas from Ontario. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.


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Tue 6/18
Tue 6/25
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