What is the cheapest airline that flies from El Paso to Ontario?

Frontier is the most popular carrier operating from El Paso to Ontario

What airlines fly to Ontario?

American Airlines, Southwest and Frontier are the top three most popular airlines that fly to Ontario from El Paso according to our data. American Airlines is the first choice among our users, with 53% of people opting to fly with this airline when traveling to Ontario. Keep in mind that there are 4 different airlines that fly to Ontario on a routine basis, so you have a few additional options to choose from.

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

Prices for flights from El Paso Airport to Ontario Airport are refreshed on a daily basis.

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

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

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

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from El Paso Airport to Ontario Airport.

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

The travel and health documents you'll need for your trip to Ontario Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Ontario Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$70 Cheap Flights from El Paso to Ontario in 2025/26

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Find the cheapest flights from El Paso to Los Angeles

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

2:30 pm - 11:24 pm

ELP

ONT

9h 54m1 stop

7:15 am - 1:35 pm

ONT

ELP

5h 20m1 stop

$128Frontier

Sat, Jan 24 - Sat, Jan 31

1:49 pm - 9:34 am

ELP

ONT

20h 45m1 stop

8:09 pm - 9:31 pm

ONT

ELP

24h 22m1 stop

$129Frontier

Wed, Feb 25 - Sat, Feb 28

1:05 pm - 11:59 pm

ELP

ONT

11h 54m1 stop

3:04 pm - 10:16 am

ONT

ELP

18h 12m1 stop

$146Frontier

Thu, Jan 15 - Sat, Jan 24

2:34 pm - 11:59 pm

ELP

ONT

10h 25m1 stop

7:17 pm - 2:07 pm

ONT

ELP

17h 50m1 stop

$158Frontier

Sat, Feb 14 - Wed, Feb 25

9:29 pm - 1:32 pm

ELP

ONT

17h 03m1 stop

3:22 pm - 8:34 pm

ONT

ELP

4h 12m1 stop

$163Frontier

Thu, Jan 22 - Thu, Jan 29

1:49 pm - 9:34 pm

ELP

ONT

8h 45m1 stop

6:15 am - 6:35 pm

ONT

ELP

11h 20m1 stop

$165Frontier

Wed, Mar 4 - Sat, Mar 7

5:55 pm - 2:54 pm

ELP

ONT

21h 59m1 stop

2:34 pm - 5:00 pm

ONT

ELP

25h 26m1 stop

$197Frontier

Thu, Jan 8 - Sun, Jan 11

5:55 pm - 2:54 pm

ELP

ONT

21h 59m1 stop

10:18 pm - 2:36 pm

ONT

ELP

15h 18m1 stop

$198Frontier

Thu, Jan 8 - Fri, Jan 9

12:34 pm - 12:20 am

ELP

ONT

12h 46m1 stop

6:43 pm - 2:37 pm

ONT

ELP

18h 54m2 stops

$199Frontier

Mon, Feb 9 - Mon, Feb 16

12:24 pm - 12:20 am

ELP

ONT

12h 56m1 stop

3:22 pm - 8:47 pm

ONT

ELP

4h 25m1 stop

$205Frontier

Fri, Jan 30 - Mon, Feb 2

Southwest flights from El Paso to Ontario

Our best Southwest deals on El Paso to Ontario flight tickets

Southwest

Feb 6

ELP5:30 amEl Paso

7h 35m

2 stops

ONT12:05 pmOntario

Feb 8

ONT3:20 pmOntario

5h 55m

2 stops

ELP10:15 pmEl Paso

$377

Find similar

Southwest

Dec 28

ELP9:45 amEl Paso

13h 15m

2 stops

ONT10:00 pmOntario

Jan 10

ONT5:30 amOntario

6h 55m

2 stops

ELP1:25 pmEl Paso

$674

Find similar

Southwest

Dec 28

ELP8:55 pmEl Paso

4h 00m

1 stop

ONT11:55 pmOntario

Jan 2

ONT5:20 pmOntario

6h 05m

2 stops

ELP12:25 amEl Paso

$699

Find similar

United Airlines flights from El Paso to Ontario

Our best United Airlines deals on El Paso to Ontario flight tickets

United Airlines

Jan 14

ELP2:22 pmEl Paso

8h 36m

1 stop

ONT9:58 pmOntario

Jan 15

ONT6:00 amOntario

9h 09m

1 stop

ELP4:09 pmEl Paso

$385

Find similar

United Airlines

Jan 26

ELP2:33 pmEl Paso

7h 25m

1 stop

ONT8:58 pmOntario

Jan 29

ONT6:00 amOntario

9h 09m

1 stop

ELP4:09 pmEl Paso

$403

Find similar

United Airlines

Feb 14

ELP2:20 pmEl Paso

8h 39m

1 stop

ONT9:59 pmOntario

Feb 25

ONT6:37 pmOntario

17h 56m

2 stops

ELP1:33 pmEl Paso

$417

Find similar

Fly from

Fly to

Route

Depart

Return

Price

El PasoOntario

ELP - ONT

ELPONT

El Paso

Sat 1/24

2:30 pm-11:24 pm

1 stop9h 54m

Ontario

Sat 1/31

7:15 am-1:35 pm

1 stop5h 20m

$128

El PasoOntario

ELP - ONT

ELPONT

El Paso

Wed 2/25

1:49 pm-9:34 am

1 stop20h 45m

Ontario

Sat 2/28

8:09 pm-9:31 pm

1 stop24h 22m

$129

El PasoOntario

ELP - ONT

ELPONT

El Paso

Thu 1/15

1:05 pm-11:59 pm

1 stop11h 54m

Ontario

Sat 1/24

3:04 pm-10:16 am

1 stop18h 12m

$146

El PasoOntario

ELP - ONT

ELPONT

El Paso

Sat 2/14

2:34 pm-11:59 pm

1 stop10h 25m

Ontario

Wed 2/25

7:17 pm-2:07 pm

1 stop17h 50m

$158

El PasoOntario

ELP - ONT

ELPONT

El Paso

Thu 1/22

9:29 pm-1:32 pm

1 stop17h 03m

Ontario

Thu 1/29

3:22 pm-8:34 pm

1 stop4h 12m

$163

El PasoOntario

ELP - ONT

ELPONT

El Paso

Wed 3/4

1:49 pm-9:34 pm

1 stop8h 45m

Ontario

Sat 3/7

6:15 am-6:35 pm

1 stop11h 20m

$165

El PasoOntario

ELP - ONT

ELPONT

El Paso

Thu 1/8

5:55 pm-2:54 pm

1 stop21h 59m

Ontario

Sun 1/11

2:34 pm-5:00 pm

1 stop25h 26m

$197

El PasoOntario

ELP - ONT

ELPONT

El Paso

Thu 1/8

5:55 pm-2:54 pm

1 stop21h 59m

Ontario

Fri 1/9

10:18 pm-2:36 pm

1 stop15h 18m

$198

El PasoOntario

ELP - ONT

ELPONT

El Paso

Mon 2/9

12:34 pm-12:20 am

1 stop12h 46m

Ontario

Mon 2/16

6:43 pm-2:37 pm

2 stops18h 54m

$199

El PasoOntario

ELP - ONT

ELPONT

El Paso

Fri 1/30

12:24 pm-12:20 am

1 stop12h 56m

Ontario

Mon 2/2

3:22 pm-8:47 pm

1 stop4h 25m

$205

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 El Paso 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

What is the cheapest month to fly to Ontario?

In general, October is the cheapest month to fly from El Paso to Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $178. If you aren’t able to travel during the month of October, then book flights to Ontario from El Paso during September instead. Flights to Ontario in September, while not as cheap as those in October, still average around $192.

How have El Paso to Ontario flight prices changed over time?

As of December 2025, prices for El Paso to Ontario flights are approximately 43% more expensive when compared to flights at the same time last year.

When to book flights from El Paso to Ontario

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

Estimated round-trip price

Cheap El Paso to Ontario (ELP to ONT) flight deals and tips

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

Fastest flight time	4h 25m
Direct flights	None

The fastest flight from El Paso to Ontario takes 4h 25m

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

Search flight deals

How far is El Paso to Ontario by plane?
The distance between El Paso and Ontario is about 666.0 mi. Typically, this will take 4h 25m by plane in normal conditions.
When did momondo last update prices for flights from El Paso Airport to Ontario Airport?
Prices for flights from El Paso Airport to Ontario Airport are refreshed on a daily basis.
How many operators does momondo search for flights from El Paso Airport to Ontario Airport?
As of December 2025, there are 3 operators available to choose from for flights from El Paso Airport to Ontario Airport.
How old do you have to be to fly from El Paso Airport to Ontario Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from El Paso Airport to Ontario Airport.
What documentation or ID do you need to fly to Ontario Airport?
The travel and health documents you'll need for your trip to Ontario Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Ontario Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from El Paso to Ontario?
Based on momondo bookings for this flight route, the most popular airline on flight routes from El Paso to Ontario is Frontier (44% of total bookings). The next most popular airlines are American Airlines (31%) and Southwest (26%).

Best airlines flying from El Paso to Ontario

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

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $143	Free Cancellation	Rating 5.8 3,070 reviews	Search Frontier flights
American Airlines	PriceFrom $249	Free Cancellation	Rating 7.2 11,066 reviews	Search American Airlines flights
Southwest	PriceFrom $271	Free Cancellation	Rating 8.0 4,258 reviews	Search Southwest flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from El Paso to Ontario for you.

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

Flights from El Paso to Ontario with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from El Paso to Ontario?

Once all potential El Paso to Ontario 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 El Paso to Ontario right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of El Paso to Ontario flights. All you need is a valid email address and we will do the rest; it is that quick and easy.