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Cheap flights from Ontario to Nevada from $45

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 Nevada departing on 8/13. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Ontario to Nevada

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
3:34 pm - 4:46 pm
ONT
-
LAS
1h 12mnonstop
Frontier Logo
6:40 pm - 7:48 pm
LAS
-
ONT
1h 08mnonstop
$72Frontier
Sat, Aug 22 - Mon, Aug 24
Frontier Logo
9:49 pm - 10:58 pm
ONT
-
LAS
1h 09mnonstop
Frontier Logo
7:45 pm - 8:54 pm
LAS
-
ONT
1h 09mnonstop
$74Frontier
Mon, Oct 5 - Tue, Oct 6
Frontier Logo
11:16 am - 12:27 pm
ONT
-
LAS
1h 11mnonstop
Frontier Logo
9:10 am - 10:21 am
LAS
-
ONT
1h 11mnonstop
$75Frontier
Wed, Oct 21 - Sat, Oct 24
Frontier Logo
3:34 pm - 4:46 pm
ONT
-
LAS
1h 12mnonstop
Frontier Logo
1:55 pm - 3:08 pm
LAS
-
ONT
1h 13mnonstop
$78Frontier
Wed, Jun 10 - Sat, Jun 13
Frontier Logo
3:34 pm - 4:46 pm
ONT
-
LAS
1h 12mnonstop
Frontier Logo
1:56 pm - 3:09 pm
LAS
-
ONT
1h 13mnonstop
$81Frontier
Thu, Aug 27 - Mon, Aug 31
Frontier Logo
3:34 pm - 4:46 pm
ONT
-
LAS
1h 12mnonstop
Frontier Logo
6:43 pm - 7:51 pm
LAS
-
ONT
1h 08mnonstop
$83Frontier
Wed, Jun 24 - Sat, Jun 27
Frontier Logo
3:34 pm - 4:46 pm
ONT
-
LAS
1h 12mnonstop
Frontier Logo
1:55 pm - 3:08 pm
LAS
-
ONT
1h 13mnonstop
$86Frontier
Wed, Jun 10 - Sat, Jun 13
Frontier Logo
1:28 pm - 2:39 pm
ONT
-
LAS
1h 11mnonstop
Frontier Logo
6:46 pm - 7:53 pm
LAS
-
ONT
1h 07mnonstop
$87Frontier
Wed, Jul 15 - Sat, Jul 18
Delta Logo
6:00 am - 10:46 am
ONT
-
TWF
3h 46m
1 stop
Delta Logo
11:35 am - 4:41 pm
TWF
-
ONT
6h 06m
1 stop
$416Delta
Mon, Jun 8 - Sun, Jun 14
Delta Logo
1:29 pm - 6:41 pm
ONT
-
TWF
4h 12m
1 stop
Delta Logo
11:35 am - 4:17 pm
TWF
-
ONT
5h 42m
1 stop
$476Delta
Sat, May 30 - Wed, Jun 3

Frontier flights from Ontario to Nevada

Our best Frontier deals on Ontario to Nevada flight tickets
Frontier
Aug 22
ONT3:34 pmOntario
1h 12m
LAS4:46 pmLas Vegas Harry Reid Intl
Aug 24
LAS6:40 pmLas Vegas Harry Reid Intl
1h 08m
ONT7:48 pmOntario
$72
Frontier
Oct 5
ONT9:49 pmOntario
1h 09m
LAS10:58 pmLas Vegas Harry Reid Intl
Oct 6
LAS7:45 pmLas Vegas Harry Reid Intl
1h 09m
ONT8:54 pmOntario
$74
Frontier
Oct 21
ONT2:58 pmOntario
1h 10m
LAS4:08 pmLas Vegas Harry Reid Intl
Oct 26
LAS9:10 amLas Vegas Harry Reid Intl
1h 11m
ONT10:21 amOntario
$75

Delta flights from Ontario to Nevada

Our best Delta deals on Ontario to Nevada flight tickets
Delta
May 29
ONT4:57 pmOntario
6h 28m
1 stop
RNO11:25 pmReno
Jun 1
RNO6:00 amReno
6h 19m
1 stop
ONT12:19 pmOntario
$277
Delta
May 29
ONT4:57 pmOntario
6h 28m
1 stop
RNO11:25 pmReno
Jun 2
RNO7:05 amReno
9h 12m
2 stops
ONT4:17 pmOntario
$282
Delta
May 29
ONT1:29 pmOntario
9h 58m
2 stops
RNO11:27 pmReno
Jun 2
RNO7:05 amReno
9h 12m
2 stops
ONT4:17 pmOntario
$386

momondo Fare Finder

 
Customize your flight search to find flights from Ontario to Nevada 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, momondo users made 832,500 searches. Data last updated May 15, 2026.
Use the filters below to find and compare flights from Ontario to Nevada that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioLas Vegas

ONT - LAS

ONTLAS

Ontario

Sat 8/22

3:34 pm-4:46 pm

Nonstop1h 12m

Las Vegas Harry Reid Intl

Mon 8/24

6:40 pm-7:48 pm

Nonstop1h 08m

$72
Quickest round-trip

OntarioLas Vegas

ONT - LAS

ONTLAS

Ontario

Mon 10/5

9:49 pm-10:58 pm

Nonstop1h 09m

Las Vegas Harry Reid Intl

Tue 10/6

7:45 pm-8:54 pm

Nonstop1h 09m

$74

OntarioLas Vegas

ONT - LAS

ONTLAS

Ontario

Wed 10/21

11:16 am-12:27 pm

Nonstop1h 11m

Las Vegas Harry Reid Intl

Sat 10/24

9:10 am-10:21 am

Nonstop1h 11m

$75

OntarioLas Vegas

ONT - LAS

ONTLAS

Ontario

Wed 6/10

3:34 pm-4:46 pm

Nonstop1h 12m

Las Vegas Harry Reid Intl

Sat 6/13

1:55 pm-3:08 pm

Nonstop1h 13m

$78

OntarioLas Vegas

ONT - LAS

ONTLAS

Ontario

Thu 8/27

3:34 pm-4:46 pm

Nonstop1h 12m

Las Vegas Harry Reid Intl

Mon 8/31

1:56 pm-3:09 pm

Nonstop1h 13m

$81

OntarioLas Vegas

ONT - LAS

ONTLAS

Ontario

Wed 6/24

3:34 pm-4:46 pm

Nonstop1h 12m

Las Vegas Harry Reid Intl

Sat 6/27

6:43 pm-7:51 pm

Nonstop1h 08m

$83

OntarioLas Vegas

ONT - LAS

ONTLAS

Ontario

Wed 6/10

3:34 pm-4:46 pm

Nonstop1h 12m

Las Vegas Harry Reid Intl

Sat 6/13

1:55 pm-3:08 pm

Nonstop1h 13m

$86

OntarioLas Vegas

ONT - LAS

ONTLAS

Ontario

Wed 7/15

1:28 pm-2:39 pm

Nonstop1h 11m

Las Vegas Harry Reid Intl

Sat 7/18

6:46 pm-7:53 pm

Nonstop1h 07m

$87

OntarioTwin Falls

ONT - TWF

ONTTWF

Ontario

Mon 6/8

6:00 am-10:46 am

1 stop3h 46m

Twin Falls Joslin

Sun 6/14

11:35 am-4:41 pm

1 stop6h 06m

$416

OntarioTwin Falls

ONT - TWF

ONTTWF

Ontario

Sat 5/30

1:29 pm-6:41 pm

1 stop4h 12m

Twin Falls Joslin

Wed 6/3

11:35 am-4:17 pm

1 stop5h 42m

$476

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Nevada from

How to get the cheapest flight ticket from Ontario to Nevada

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 to Nevada?

In general, December is the cheapest month to fly from Ontario to Nevada. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $38. If you aren’t able to travel to Nevada during the month of December, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $44.

What is the cheapest day to depart on your flight to Nevada?

Our data shows that Sunday is the least expensive day to fly to Nevada. Tickets to fly out on this day can be as low as $152. On the other hand, Thursday is the most expensive day to depart from Ontario because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $210.

What is the cheapest time of day to depart on your flight to Nevada?

Our data shows that the cheapest Ontario to Nevada flights are usually those with departure times at noon. Our users have found flights to Nevada at noon for as low as $167. In the evening is when there is more demand to fly to Nevada, so prices are often more expensive at around $186 per ticket.

What is the cheapest Ontario to Nevada flight route?

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

How far in advance should I book a flight from Ontario to Nevada?

You are more likely to see cheaper flights to Nevada from Ontario when booking weeks ahead of your departure date. In general, you can expect to find flights to Nevada for around $139 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Nevada from Ontario for as low as $107 on momondo.

Can stopping save me money on Ontario to Nevada flights?

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

Cheap Ontario to Nevada flight deals and tips

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

Best Price Found

$124

Fastest flight time

1h 05m

Direct flights

Every day

Airports in Nevada

29 airports
The best one-way flight to Nevada from Ontario in the past 72 hours is $124. The best round-trip flight deal from Ontario to Nevada found on momondo in the last 72 hours is $156.
The fastest flight from Ontario to Nevada takes 1h 05m
Direct flights go from Ontario to Nevada every day.
There are 29 airports in Nevada. From Ontario there are direct flights to Las Vegas Harry Reid Intl (LAS).
Search flight deals

Frequently asked questions about flying from Ontario to Nevada

  • When did momondo last update prices for flights from Ontario Airport to Nevada?

    Prices for flights from Ontario Airport to Nevada were last updated today.

  • How many operators does momondo search for flights from Ontario Airport to Nevada?

  • How old do you have to be to fly from Ontario Airport to Nevada?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Nevada.

  • What documentation or ID do you need to fly to Nevada?

    The travel and health documents required for your trip to Nevada can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Nevada. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Ontario to Nevada?

Best airlines flying from Ontario to Nevada

Compare and see reviews for airlines that fly from Ontario to Nevada with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $24Free CancellationRating
6.2
8,626 reviews
Search Spirit Airlines flights
FrontierPriceFrom $57Free CancellationRating
5.6
2,951 reviews
Search Frontier flights
SouthwestPriceFrom $101Free CancellationRating
8.0
4,299 reviews
Search Southwest flights
DeltaPriceFrom $167Free CancellationRating
7.9
8,453 reviews
Search Delta flights
JetBluePriceFrom $200Free CancellationRating
7.1
2,975 reviews
Search JetBlue flights
United AirlinesPriceFrom $218Free CancellationRating
7.4
9,724 reviews
Search United Airlines flights

Why use momondo?

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

It is quick and easy to find Ontario to Nevada flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Nevada that suits you.

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

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

How can momondo help me find flights from Ontario to Nevada?

Once all potential Ontario to Nevada flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

If you are simply researching potential flights to Nevada, momondo offers a useful price alert feature which will track prices for flights to Nevada from Ontario and alert you when they change.

An easier way to manage your Nevada trip

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Find better results for your trip to Nevada

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Popular flights according to clicks in the last 7 days on momondo
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