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$133+ Cheap flights from El Paso to Ontario (ELP - ONT)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/18. Fares are subject to change and may not be available on all flights or dates of travel.
ELP — ONT
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheap flight deals from El Paso to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from El Paso (ELP) to Ontario (ONT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 12, 2025.

Round-trip from

$227
(Frontier)

One-way from

$133
(Frontier)

Popular in

November

Cheapest in

May

Average price

$305
From El Paso to Ontario
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One-way flight from El Paso to Ontario
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Highest demand for flights based on searches. 15% potential increase in price ($55 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($13 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from El Paso to Ontario

Cheapest flights from El Paso to Ontario
Explore the most affordable flight options available from El Paso to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This Frontier deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1111:58 amELP - ONT
1 stop9h 54mFrontier
Thu 8/1412:59 amONT - ELP
1 stop10h 22mFrontier
Deal found 6/11$227
This American Airlines deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/87:25 pmELP - ONT
1 stop3h 13mAmerican Airlines
Tue 7/2912:55 pmONT - ELP
1 stop4h 50mAmerican Airlines
Deal found 6/11$317
This Southwest deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/245:45 amELP - ONT
1 stop3h 25mSouthwest
Tue 7/14:25 pmONT - ELP
1 stop5h 55mSouthwest
Deal found 6/10$342
This United Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/122:35 pmELP - ONT
1 stop7h 08mUnited Airlines
Tue 9/166:04 amONT - ELP
1 stop6h 06mUnited Airlines
Deal found 6/10$345

Cheapflights Fare Finder

Customize your flight search to find flights from El Paso to Ontario 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, Cheapflights users made 2,558,603 searches. Data last updated June 12, 2025.
Use the filters below to find and compare flights from El Paso to Ontario that are best for you.

Fly from

El Paso

Fly to

Ontario

Route

Depart

Return

Price

El PasoOntario

ELP - ONT

ELPONT

El Paso

Mon 8/11

11:58 am-8:52 pm

1 stop9h 54m

Ontario

Thu 8/14

12:59 am-12:21 pm

1 stop10h 22m

$227

El PasoOntario

ELP - ONT

ELPONT

El Paso

Tue 7/8

7:25 pm-9:38 pm

1 stop3h 13m

Ontario

Tue 7/29

12:55 pm-6:45 pm

1 stop4h 50m

$317

El PasoOntario

ELP - ONT

ELPONT

El Paso

Tue 6/24

5:45 am-8:10 am

1 stop3h 25m

Ontario

Tue 7/1

4:25 pm-11:20 pm

1 stop5h 55m

$342

El PasoOntario

ELP - ONT

ELPONT

El Paso

Fri 9/12

2:35 pm-8:43 pm

1 stop7h 08m

Ontario

Tue 9/16

6:04 am-1:10 pm

1 stop6h 06m

$345

El PasoOntario

ELP - ONT

ELPONT

El Paso

Fri 9/12

7:18 pm-10:44 am

1 stop16h 26m

Ontario

Tue 9/16

7:10 am-6:38 pm

2 stops10h 28m

$487

El PasoOntario

ELP - ONT

ELPONT

El Paso

Mon 8/18

1:08 pm-11:50 pm

1 stop11h 42m

$133

El PasoOntario

ELP - ONT

ELPONT

El Paso

Tue 8/12

12:34 pm-11:32 am

1 stop23h 58m

$157

El PasoOntario

ELP - ONT

ELPONT

El Paso

Fri 10/31

2:35 pm-8:17 pm

1 stop6h 42m

$179

El PasoOntario

ELP - ONT

ELPONT

El Paso

Thu 7/24

6:15 am-12:20 pm

2 stops7h 05m

$199

El PasoOntario

ELP - ONT

ELPONT

El Paso

Wed 10/29

12:55 pm-11:56 pm

2 stops12h 01m

$222

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Best time to book a flight from El Paso to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from El Paso with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from El Paso to Ontario

What is the cheapest month to book a flight from El Paso to Ontario?

Currently, August is the cheapest month in which you can book a flight from El Paso to Ontario (average of $246). Flying from El Paso to Ontario in March is currently the most expensive (average of $328). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from ELP to ONT?

Find hourly flight availability from El Paso to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.

It’s typically best to fly out from El Paso to Ontario in the afternoon. Doing so could potentially save you 81% on the flight price compared to flying in the evening, which is usually more expensive.

Rainfall in Ontario by month

Plan your trip to Ontario by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Ontario ranges from 0.1 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. June is typically the driest time to visit Ontario when rainfall is around 0.1 in.

Temperature in Ontario by month

Plan your trip to Ontario by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Ontario, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 53.6 F).

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ontario. Reviews last updated June 12, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Southwest and United Airlines from El Paso to Ontario by reading reviews from past customers. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Frontier
5.9
Fair
3,295 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

Find useful and relevant information for your journey from El Paso to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from El Paso to Ontario round-trip?

    Our cheapest airline available from El Paso to Ontario is Frontier. Our recent data shows that you can find tickets from as low as $227 on this airline. Additional options worth looking into are American Airlines and Southwest, starting at $317 and $342 round-trip. Users have found that Frontier is 27% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from El Paso to Ontario one-way?

    The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $133. However, be on the lookout for offers from American Airlines and United Airlines, as they are both options that can get you from El Paso to Ontario for a low price.

  • Can I find deals for flights from El Paso to Ontario that include hotel bookings?

    Yes. In addition to deals on El Paso to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from El Paso to Ontario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from El Paso to Ontario.

  • Can I find deals for business class flights from El Paso to Ontario?

    Yes. Cheapflights offers flight deals from El Paso to Ontario by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from El Paso to Ontario?

    Currently, August is the cheapest month in which you can book a flight from El Paso to Ontario (average of $246). Flying from El Paso to Ontario in March is currently the most expensive (average of $328). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for El Paso to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from El Paso to Ontario

Discover the top 3 airlines that operate flights from El Paso to Ontario. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$125Average$236FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$246Average$393FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$271Average$366FlexibilityNo cancel feeOn-time63%

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