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

Alaska Airlines and United Airlines are the most popular carriers operating from Reno to Ontario

What airlines fly to Ontario?

Southwest, Delta and Alaska Airlines are the top three most popular airlines that fly to Ontario from Reno according to our data. Southwest is the first choice among our users, with 39% of people opting to fly with this airline when traveling to Ontario. Keep in mind that there are 8 different airlines that fly to Ontario on a routine basis, so you have a few additional options to choose from.

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

3 flights are operational weekly from Reno to Ontario as of December 2025. The most popular departure day for this route is Mon, with 33% of flights per week taking off on this day.

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

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

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

As of December 2025, there are 3 operators available to choose from for flights from Reno Airport to Ontario Airport.

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

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 Reno Airport to Ontario Airport.

What documentation or ID do you need to fly to Ontario Airport?

The necessary travel and health documents for your Ontario 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.

$71 Cheap Flights from Reno to Ontario 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 Reno to Los Angeles

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

9:37 pm - 7:37 am

RNO

ONT

10h 00m1 stop

11:04 am - 6:38 pm

ONT

RNO

7h 34m1 stop

$162Frontier

Thu, Jan 15 - Thu, Jan 22

1:34 pm - 11:21 pm

RNO

ONT

9h 47m1 stop

2:34 pm - 7:29 pm

ONT

RNO

4h 55m1 stop

$163Frontier

Sat, Jan 3 - Thu, Jan 8

8:29 pm - 2:26 pm

RNO

ONT

17h 57m1 stop

2:34 pm - 8:33 pm

ONT

RNO

5h 59m1 stop

$179Multiple Airlines

Fri, Jan 9 - Sun, Jan 11

9:37 pm - 7:37 am

RNO

ONT

10h 00m1 stop

2:34 pm - 8:42 pm

ONT

RNO

6h 08m1 stop

$181Frontier

Thu, Jan 15 - Mon, Jan 19

12:24 pm - 7:53 pm

RNO

ONT

7h 29m1 stop

3:22 pm - 9:05 pm

ONT

RNO

5h 43m1 stop

$197Frontier

Fri, Jan 23 - Mon, Jan 26

9:37 pm - 7:37 am

RNO

ONT

10h 00m1 stop

4:34 pm - 8:42 pm

ONT

RNO

4h 08m1 stop

$198Frontier

Thu, Jan 15 - Sun, Jan 18

7:32 pm - 7:36 am

RNO

ONT

12h 04m1 stop

2:34 pm - 7:29 pm

ONT

RNO

4h 55m1 stop

$199Frontier

Sun, Jan 11 - Mon, Jan 12

11:35 am - 6:27 pm

RNO

ONT

6h 52m1 stop

6:43 pm - 7:42 pm

ONT

RNO

24h 59m1 stop

$209Multiple Airlines

Thu, Feb 12 - Mon, Feb 16

3:47 pm - 1:11 pm

RNO

ONT

21h 24m1 stop

6:43 pm - 10:40 am

ONT

RNO

15h 57m1 stop

$219Multiple Airlines

Fri, Feb 13 - Mon, Feb 16

12:24 pm - 7:53 pm

RNO

ONT

7h 29m1 stop

2:48 pm - 8:16 pm

ONT

RNO

5h 28m1 stop

$232Frontier

Fri, Jan 23 - Sun, Jan 25

Frontier flights from Reno to Ontario

Our best Frontier deals on Reno to Ontario flight tickets

Frontier

Jan 15

RNO9:37 pmReno

10h 00m

1 stop

ONT7:37 amOntario

Jan 22

ONT11:04 amOntario

7h 34m

1 stop

RNO6:38 pmReno

$162

Find similar

Frontier

Jan 3

RNO1:34 pmReno

9h 47m

1 stop

ONT11:21 pmOntario

Jan 8

ONT2:34 pmOntario

4h 55m

1 stop

RNO7:29 pmReno

$163

Find similar

Frontier

Jan 15

RNO9:37 pmReno

10h 00m

1 stop

ONT7:37 amOntario

Jan 19

ONT2:34 pmOntario

6h 08m

1 stop

RNO8:42 pmReno

$181

Find similar

United Airlines flights from Reno to Ontario

Our best United Airlines deals on Reno to Ontario flight tickets

United Airlines

Mar 10

RNO6:00 amReno

6h 18m

1 stop

ONT12:18 pmOntario

Mar 14

ONT6:00 amOntario

6h 13m

1 stop

RNO12:13 pmReno

$238

Find similar

United Airlines

Mar 3

RNO8:00 amReno

4h 38m

1 stop

ONT12:38 pmOntario

Mar 31

ONT6:00 amOntario

5h 44m

1 stop

RNO11:44 amReno

$279

Find similar

United Airlines

Jan 20

RNO1:15 pmReno

7h 43m

1 stop

ONT8:58 pmOntario

Jan 22

ONT1:53 pmOntario

6h 05m

1 stop

RNO7:58 pmReno

$298

Find similar

Fly from

Fly to

Route

Depart

Return

Price

RenoOntario

RNO - ONT

RNOONT

Reno

Thu 1/15

9:37 pm-7:37 am

1 stop10h 00m

Ontario

Thu 1/22

11:04 am-6:38 pm

1 stop7h 34m

$162

RenoOntario

RNO - ONT

RNOONT

Reno

Sat 1/3

1:34 pm-11:21 pm

1 stop9h 47m

Ontario

Thu 1/8

2:34 pm-7:29 pm

1 stop4h 55m

$163

RenoOntario

RNO - ONT

RNOONT

Reno

Fri 1/9

8:29 pm-2:26 pm

1 stop17h 57m

Ontario

Sun 1/11

2:34 pm-8:33 pm

1 stop5h 59m

$179

RenoOntario

RNO - ONT

RNOONT

Reno

Thu 1/15

9:37 pm-7:37 am

1 stop10h 00m

Ontario

Mon 1/19

2:34 pm-8:42 pm

1 stop6h 08m

$181

RenoOntario

RNO - ONT

RNOONT

Reno

Fri 1/23

12:24 pm-7:53 pm

1 stop7h 29m

Ontario

Mon 1/26

3:22 pm-9:05 pm

1 stop5h 43m

$197

RenoOntario

RNO - ONT

RNOONT

Reno

Thu 1/15

9:37 pm-7:37 am

1 stop10h 00m

Ontario

Sun 1/18

4:34 pm-8:42 pm

1 stop4h 08m

$198

RenoOntario

RNO - ONT

RNOONT

Reno

Sun 1/11

7:32 pm-7:36 am

1 stop12h 04m

Ontario

Mon 1/12

2:34 pm-7:29 pm

1 stop4h 55m

$199

RenoOntario

RNO - ONT

RNOONT

Reno

Thu 2/12

11:35 am-6:27 pm

1 stop6h 52m

Ontario

Mon 2/16

6:43 pm-7:42 pm

1 stop24h 59m

$209

RenoOntario

RNO - ONT

RNOONT

Reno

Fri 2/13

3:47 pm-1:11 pm

1 stop21h 24m

Ontario

Mon 2/16

6:43 pm-10:40 am

1 stop15h 57m

$219

RenoOntario

RNO - ONT

RNOONT

Reno

Fri 1/23

12:24 pm-7:53 pm

1 stop7h 29m

Ontario

Sun 1/25

2:48 pm-8:16 pm

1 stop5h 28m

$232

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 Reno to Ontario

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 Ontario?

In general, May is the cheapest month to fly from Reno to Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $241. If you aren’t able to travel during the month of May, then book flights to Ontario from Reno during June instead. Flights to Ontario in June, while not as cheap as those in May, still average around $268.

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

The cheapest day to depart on your flight to Ontario is on a Tuesday when prices can be found for as low as $235. This is often the case because there is less demand to fly during this day of the week. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Reno to Ontario for around $313.

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

At noon is the cheapest time of day to fly from Reno to Ontario when you can find flight prices for as low as $288. Flying to Ontario at noon is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $347 on average. Flights to Ontario from Reno in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.

How have Reno to Ontario flight prices changed over time?

As of December 2025, prices for Reno to Ontario flights are approximately 170% more expensive when compared to flights at the same time last year.

When to book flights from Reno to Ontario

Are you open to changing your travel dates? Check out the ideal times to fly from Reno to Ontario according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Reno to Ontario (RNO to ONT) flight deals and tips

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

Fastest flight time	3h 46m
Direct flights	None

The fastest flight from Reno to Ontario takes 3h 46m

There are no direct flights from Reno to Ontario. There are no popular flight routes from Reno to Ontario.

Search flight deals

How far is Reno to Ontario by plane?
Reno and Ontario are 395.9 mi apart from one another. By plane, this route typically takes 3h 46m.
When did momondo last update prices for flights from Reno Airport to Ontario Airport?
Prices for flights from Reno Airport to Ontario Airport were last updated today.
How many operators does momondo search for flights from Reno Airport to Ontario Airport?
As of December 2025, there are 3 operators available to choose from for flights from Reno Airport to Ontario Airport.
How old do you have to be to fly from Reno Airport to Ontario Airport?
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 Reno Airport to Ontario Airport.
What documentation or ID do you need to fly to Ontario Airport?
The necessary travel and health documents for your Ontario 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.
What is the most popular airline from Reno to Ontario?
momondo data reveals that the most frequently booked airline on the route from Reno to Ontario is Southwest, representing 74% of all bookings. The subsequent popular airlines are United Airlines at 16% and American Airlines at 10%.

Best airlines flying from Reno to Ontario

Compare and see reviews for airlines that fly from Reno to Ontario with momondo

Airline	Rating	Free Cancellation	Price
American Airlines	PriceFrom $174	Free Cancellation	Rating 7.2 11,054 reviews	Search American Airlines flights
Southwest	PriceFrom $217	Free Cancellation	Rating 7.9 4,250 reviews	Search Southwest flights
United Airlines	PriceFrom $238	Free Cancellation	Rating 7.4 9,091 reviews	Search United Airlines flights

Southwest Flights From Reno to Ontario
Across 3 Southwest flights from Reno to Ontario this week, the average price was $317, with the best Southwest deals starting from $217 round-trip. 4,250 users have rated Southwest on momondo, with an average score of 7.9/10.

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Reno to Ontario. momondo saves you time and could save you money on your trip.

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

All flight searches from Reno to Ontario on momondo can be filtered to show those which offer flexible booking policies.

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

momondo helps you find the best flight between Reno and Ontario by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Yes momondo offers price alerts on flights to Ontario from Reno. 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.