What is the cheapest airline that flies from Ontario to Nevada?

Frontier and Southwest are the most popular carriers operating from Ontario to Nevada

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

35 flights are operational weekly from Ontario to Nevada as of September 2025. The most popular departure day for this route is Mon, with 23% of flights per week taking off on this day.

What airlines fly to Nevada?

Spirit Airlines, Frontier and Southwest are the top three most popular airlines that fly to Nevada from Ontario according to our data. Spirit Airlines is the first choice among our users, with 40% of people opting to fly with this airline when traveling to Nevada. Keep in mind that there are 10 different airlines that fly to Nevada on a routine basis, so you have a few additional options to choose from.

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

The number of flights available between Ontario and Nevada is 5 per day as of September 2025. The most frequent departure time is 5:00AM, with 30% of daily flights leaving at noon.

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?

As of September 2025, there are 6 operators available to choose from 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.

$31 Cheap Flights from Ontario to Nevada in 2025/26

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Ontario to Nevada

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

6:05 am - 7:16 amONT-LAS

1h 11mnonstop

10:37 am - 11:47 amLAS-ONT

1h 10mnonstop

$67Frontier

Find Deal

Thu, Oct 9 - Thu, Oct 9

6:05 am - 7:16 amONT-LAS

1h 11mnonstop

10:37 am - 11:47 amLAS-ONT

1h 10mnonstop

$69Frontier

Find Deal

Fri, Oct 24 - Fri, Oct 24

2:45 pm - 4:00 pmONT-LAS

1h 15mnonstop

7:45 pm - 8:56 pmLAS-ONT

1h 11mnonstop

$70Frontier

Find Deal

Mon, Oct 6 - Mon, Oct 6

7:00 am - 12:20 pmONT-LAS

5h 20m2 stops

2:35 pm - 3:35 pmLAS-ONT

1h 00mnonstop

$112Southwest

Find Deal

Tue, Oct 14 - Tue, Oct 14

4:40 pm - 7:45 pmONT-LAS

3h 05m1 stop

5:30 am - 9:15 amLAS-ONT

3h 45m1 stop

$117Southwest

Find Deal

Mon, Nov 10 - Tue, Nov 11

4:35 pm - 11:18 pmONT-RNO

6h 43m1 stop

6:00 am - 12:14 pmRNO-ONT

6h 14m1 stop

$229Delta

Find Deal

Wed, Oct 22 - Sat, Nov 1

6:00 am - 12:24 pmONT-RNO

6h 24m1 stop

6:00 am - 12:16 pmRNO-ONT

6h 16m1 stop

$238Delta

Find Deal

Tue, Oct 21 - Fri, Oct 31

4:49 pm - 10:39 pmONT-RNO

5h 50m1 stop

6:00 am - 12:01 pmRNO-ONT

6h 01m1 stop

$268American Airlines

Find Deal

Fri, Oct 17 - Mon, Oct 20

9:36 am - 2:44 pmONT-RNO

5h 08m1 stop

6:00 am - 12:13 pmRNO-ONT

6h 13m1 stop

$289United Airlines

Find Deal

Wed, Oct 15 - Sat, Oct 25

6:37 pm - 11:52 pmONT-RNO

5h 15m1 stop

8:00 am - 12:18 pmRNO-ONT

4h 18m1 stop

$298United Airlines

Find Deal

Thu, Feb 19 - Mon, Feb 23

Southwest flights from Ontario to Nevada

Our best Southwest deals on Ontario to Nevada flight tickets

Southwest

Oct 14

ONT7:00 amOntario

5h 20m

2 stops

LAS12:20 pmLas Vegas Harry Reid Intl

Oct 14

LAS2:35 pmLas Vegas Harry Reid Intl

1h 00m

ONT3:35 pmOntario

$112

Find similar

Southwest

Nov 10

ONT4:40 pmOntario

3h 05m

1 stop

LAS7:45 pmLas Vegas Harry Reid Intl

Nov 11

LAS5:30 amLas Vegas Harry Reid Intl

3h 45m

1 stop

ONT9:15 amOntario

$117

Find similar

Southwest

Oct 14

ONT7:00 amOntario

5h 20m

2 stops

LAS12:20 pmLas Vegas Harry Reid Intl

Oct 14

LAS6:50 pmLas Vegas Harry Reid Intl

3h 15m

1 stop

ONT10:05 pmOntario

$122

Find similar

Frontier flights from Ontario to Nevada

Our best Frontier deals on Ontario to Nevada flight tickets

Frontier

Oct 9

ONT6:05 amOntario

1h 11m

LAS7:16 amLas Vegas Harry Reid Intl

Oct 9

LAS10:37 amLas Vegas Harry Reid Intl

1h 10m

ONT11:47 amOntario

$67

Find similar

Frontier

Oct 24

ONT6:05 amOntario

1h 11m

LAS7:16 amLas Vegas Harry Reid Intl

Oct 24

LAS10:37 amLas Vegas Harry Reid Intl

1h 10m

ONT11:47 amOntario

$69

Find similar

Frontier

Oct 6

ONT2:45 pmOntario

1h 15m

LAS4:00 pmLas Vegas Harry Reid Intl

Oct 6

LAS7:45 pmLas Vegas Harry Reid Intl

1h 11m

ONT8:56 pmOntario

$70

Find similar

Fly from

Fly to

Route

Depart

Return

Price

OntarioLas Vegas

ONT - LAS

ONTLAS

Ontario

Thu 10/9

6:05 am-7:16 am

Nonstop1h 11m

Las Vegas Harry Reid Intl

Thu 10/9

10:37 am-11:47 am

Nonstop1h 10m

$67

OntarioLas Vegas

ONT - LAS

ONTLAS

Ontario

Fri 10/24

6:05 am-7:16 am

Nonstop1h 11m

Las Vegas Harry Reid Intl

Fri 10/24

10:37 am-11:47 am

Nonstop1h 10m

$69

OntarioLas Vegas

ONT - LAS

ONTLAS

Ontario

Mon 10/6

2:45 pm-4:00 pm

Nonstop1h 15m

Las Vegas Harry Reid Intl

Mon 10/6

7:45 pm-8:56 pm

Nonstop1h 11m

$70

OntarioLas Vegas

ONT - LAS

ONTLAS

Ontario

Tue 10/14

7:00 am-12:20 pm

2 stops5h 20m

Las Vegas Harry Reid Intl

Tue 10/14

2:35 pm-3:35 pm

Nonstop1h 00m

$112

OntarioLas Vegas

ONT - LAS

ONTLAS

Ontario

Mon 11/10

4:40 pm-7:45 pm

1 stop3h 05m

Las Vegas Harry Reid Intl

Tue 11/11

5:30 am-9:15 am

1 stop3h 45m

$117

OntarioReno

ONT - RNO

ONTRNO

Ontario

Wed 10/22

4:35 pm-11:18 pm

1 stop6h 43m

Reno

Sat 11/1

6:00 am-12:14 pm

1 stop6h 14m

$229

OntarioReno

ONT - RNO

ONTRNO

Ontario

Tue 10/21

6:00 am-12:24 pm

1 stop6h 24m

Reno

Fri 10/31

6:00 am-12:16 pm

1 stop6h 16m

$238

OntarioReno

ONT - RNO

ONTRNO

Ontario

Fri 10/17

4:49 pm-10:39 pm

1 stop5h 50m

Reno

Mon 10/20

6:00 am-12:01 pm

1 stop6h 01m

$268

OntarioReno

ONT - RNO

ONTRNO

Ontario

Wed 10/15

9:36 am-2:44 pm

1 stop5h 08m

Reno

Sat 10/25

6:00 am-12:13 pm

1 stop6h 13m

$289

OntarioReno

ONT - RNO

ONTRNO

Ontario

Thu 2/19

6:37 pm-11:52 pm

1 stop5h 15m

Reno

Mon 2/23

8:00 am-12:18 pm

1 stop4h 18m

$298

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Other information

What is the cheapest month to fly to Nevada?

In general, October 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 $93. If you aren’t able to travel to Nevada during the month of October, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $97.

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 $115. 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 $164.

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 $123. In the afternoon is when there is more demand to fly to Nevada, so prices are often more expensive at around $175 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 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 $110 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 $88 on momondo.

What cabin class options are available on Ontario to Nevada flights?

There is only 1 cabin class available to choose from on Ontario to Nevada 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 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	$72
Fastest flight time	1h 05m
Direct flights	Every day
Airports in Nevada	1 airport

The best one-way flight to Nevada from Ontario in the past 72 hours is $72. The best round-trip flight deal from Ontario to Nevada found on momondo in the last 72 hours is $112.

The fastest flight from Ontario to Nevada takes 1h 05m

Direct flights go from Ontario to Nevada every day.

There is 1 airport near Nevada: Las Vegas Harry Reid Intl (LAS)

Search flight deals

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?
As of September 2025, there are 6 operators available to choose from 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?
Based on momondo bookings for flights between Ontario and Nevada, the leading plane model is Airbus A320neo, making up 21.34% of the total bookings. Other popular models include Airbus A321neo with 14.52%, Boeing 737-800 Passenger/BBJ2 (winglets) with 10.57%, and Airbus A318/A319/A320/A321 with 10.01%.

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 Airlines	PriceFrom $24	Free Cancellation	Rating 6.3 8,042 reviews	Search Spirit Airlines flights
Frontier	PriceFrom $46	Free Cancellation	Rating 5.8 3,163 reviews	Search Frontier flights
Southwest	PriceFrom $97	Free Cancellation	Rating 8.0 4,244 reviews	Search Southwest flights
Delta	PriceFrom $127	Free Cancellation	Rating 7.9 7,973 reviews	Search Delta flights
United Airlines	PriceFrom $187	Free Cancellation	Rating 7.4 8,928 reviews	Search United Airlines flights
American Airlines	PriceFrom $198	Free Cancellation	Rating 7.2 10,000 reviews	Search American 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

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Start using Trips

Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

1 adult

Fri 10/24

Fri 10/31

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Nevada

Popular cities in Nevada

Flights to New Yorkfrom $50

Flights to Los Angelesfrom $44

Flights to Miamifrom $49

Flights to Chicagofrom $65

Flights to Orlandofrom $56

Flights to Las Vegasfrom $44

Flights to San Franciscofrom $60

Flights to Washington, D.C.from $56

Flights to Bostonfrom $68

Flights to Atlantafrom $51

Flights to Dallasfrom $60

Flights to Seattlefrom $86

Cheap flights from Ontario to Nevada from $31

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 11/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Ontario to Nevada

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Cheap direct flights

Southwest flights from Ontario to Nevada

Our best Southwest deals on Ontario to Nevada flight tickets

Frontier flights from Ontario to Nevada

Our best Frontier deals on Ontario to Nevada flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Ontario to Nevada that are best for you.

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?

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

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 $123. In the afternoon is when there is more demand to fly to Nevada, so prices are often more expensive at around $175 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 to Nevada?

What cabin class options are available on Ontario to Nevada flights?

There is only 1 cabin class available to choose from on Ontario to Nevada 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 Nevada flights?

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

What is the cheapest airline that flies from Ontario to Nevada?

Frontier and Southwest are the most popular carriers operating from Ontario to Nevada

What airlines fly to Nevada?

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

The number of flights available between Ontario and Nevada is 5 per day as of September 2025. The most frequent departure time is 5:00AM, with 30% of daily flights leaving at noon.

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

35 flights are operational weekly from Ontario to Nevada as of September 2025. The most popular departure day for this route is Mon, with 23% of flights per week taking off on this day.

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

Fastest flight time

Direct flights

Airports in Nevada

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

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?

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

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

Why use momondo?

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

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

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

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

An easier way to manage your Nevada trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Nevada

Popular cities in Nevada

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