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$125+ Cheap flights from Central America to Ontario (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 9/25. Fares are subject to change and may not be available on all flights or dates of travel.
SJO — ONT
Aug 6 — Aug 131
Wed 8/6
Wed 8/13
1 adult, Economy
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Cheap flight deals from Central America to Ontario

Keep the following information in mind while searching for Central America to Ontario flight deals. Data was last updated August 1, 2025.

Round-trip from

$209
(Cheapflightsfares)

One-way from

$125
(Cheapflightsfares)

Popular in

July

Cheapest in

October

Average price

$358

Good round-trip deal

$367 or less

Good one-way deal

$230 or less
From Central America to Ontario
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One-way flight from Central America to Ontario
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Highest demand for flights based on searches. 12% potential increase in price ($42 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Price to beat on a round-trip flight from Central America to Ontario.
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Price to beat on a one-way flight from Central America to Ontario.
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Find flight deals from Central America to Ontario

Cheapest flights from Central America to Ontario
Explore the most affordable flight options available from Central America to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 1, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 8/1. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1810:00 amGUA - ONT
1 stop12h 55mAvianca
Sat 9/2711:25 pmONT - GUA
1 stop8h 40mAvianca
Deal found 8/1$209
This American Airlines deal was found by Cheapflights users on 8/1. 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.
Wed 9/108:30 amGUA - ONT
2 stops28h 26mAmerican Airlines
Wed 9/174:45 pmONT - GUA
2 stops23h 29mAmerican Airlines
Deal found 8/1$231
This Priceline deal was found by Cheapflights users on 8/1. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/215:35 pmSAL - ONT
Nonstop5h 20mAvianca
Thu 9/1811:25 pmONT - SAL
Nonstop4h 40mAvianca
Deal found 8/1$314
This United Airlines deal was found by Cheapflights users on 7/31. 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.
Tue 9/231:30 pmSJO - ONT
1 stop8h 55mUnited Airlines
Sun 9/289:36 amONT - SJO
1 stop20h 39mUnited Airlines
Deal found 7/31$324
This American Airlines deal was found by Cheapflights users on 7/31. 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 8/261:00 pmSJO - ONT
2 stops21h 58mAmerican Airlines
Wed 9/108:15 amONT - SJO
1 stop8h 42mAmerican Airlines
Deal found 7/31$344
This Cheapflightsfares deal was found by Cheapflights users on 7/31. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/289:35 amSJO - ONT
1 stop13h 20mAvianca
Sat 8/3011:25 pmONT - SJO
1 stop10h 50mAvianca
Deal found 7/31$349
This Delta deal was found by Cheapflights users on 7/31. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/251:35 pmSJO - ONT
2 stops23h 42mDelta
Thu 10/21:15 pmONT - SJO
2 stops21h 53mDelta
Deal found 7/31$354
This United Airlines deal was found by Cheapflights users on 7/31. 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 8/1512:38 pmGUA - ONT
1 stop9h 59mUnited Airlines
Thu 8/216:04 amONT - GUA
1 stop9h 28mUnited Airlines
Deal found 7/31$368
This Kiwi.com deal was found by Cheapflights users on 7/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2112:05 pmSAL - ONT
2 stops12h 45mMultiple Airlines
Thu 9/1811:25 pmONT - SAL
Nonstop4h 40mMultiple Airlines
Deal found 7/30$393
This United Airlines deal was found by Cheapflights users on 7/30. 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.
Wed 10/11:20 pmLIR - ONT
1 stop9h 04mUnited Airlines
Sun 10/56:00 amONT - LIR
1 stop29h 10mUnited Airlines
Deal found 7/30$399
This Delta deal was found by Cheapflights users on 8/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1012:56 pmGUA - ONT
1 stop10h 16mDelta
Fri 10/1710:29 pmONT - GUA
1 stop12h 02mDelta
Deal found 8/1$423
This United Airlines deal was found by Cheapflights users on 7/30. 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.
Wed 8/136:00 amSAL - ONT
2 stops17h 52mUnited Airlines
Tue 8/196:04 amONT - SAL
1 stop7h 19mUnited Airlines
Deal found 7/30$426

Cheapflights Fare Finder

 
Customize your flight search to find flights from Central America 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 August 1, 2025.
Use the filters below to find and compare flights from Central America to Ontario that are best for you.

Fly from

Central America

Fly to

Ontario

Route

Depart

Return

Price

Guatemala CityOntario

GUA - ONT

GUAONT

Guatemala City La Aurora

Thu 9/18

10:00 am-9:55 pm

1 stop12h 55m

Ontario

Sat 9/27

11:25 pm-9:05 am

1 stop8h 40m

$209

Guatemala CityOntario

GUA - ONT

GUAONT

Guatemala City La Aurora

Wed 9/10

8:30 am-11:56 am

2 stops28h 26m

Ontario

Wed 9/17

4:45 pm-5:14 pm

2 stops23h 29m

$231

San SalvadorOntario

SAL - ONT

SALONT

San Salvador El Salvador Intl

Thu 8/21

5:35 pm-9:55 pm

Nonstop5h 20m

Ontario

Thu 9/18

11:25 pm-5:05 am

Nonstop4h 40m

$314

San JoséOntario

SJO - ONT

SJOONT

San José Juan Santamaria Intl

Tue 9/23

7:55 am-8:33 pm

2 stops13h 38m

Ontario

Sat 9/27

6:51 pm-12:26 pm

2 stops16h 35m

$324

San JoséOntario

SJO - ONT

SJOONT

San José Juan Santamaria Intl

Tue 8/26

1:00 pm-9:58 am

2 stops21h 58m

Ontario

Wed 9/10

8:15 am-5:57 pm

1 stop8h 42m

$344

San JoséOntario

SJO - ONT

SJOONT

San José Juan Santamaria Intl

Thu 8/28

9:35 am-9:55 pm

1 stop13h 20m

Ontario

Sat 8/30

11:25 pm-11:15 am

1 stop10h 50m

$349

San JoséOntario

SJO - ONT

SJOONT

San José Juan Santamaria Intl

Thu 9/25

1:35 pm-10:23 pm

1 stop9h 48m

Ontario

Thu 10/2

1:15 pm-12:08 pm

2 stops21h 53m

$354

Guatemala CityOntario

GUA - ONT

GUAONT

Guatemala City La Aurora

Fri 8/15

12:38 pm-9:37 pm

1 stop9h 59m

Ontario

Thu 8/21

6:04 am-4:32 pm

1 stop9h 28m

$368

San SalvadorOntario

SAL - ONT

SALONT

San Salvador El Salvador Intl

Thu 8/21

12:05 pm-11:50 pm

2 stops12h 45m

Ontario

Thu 9/18

11:25 pm-5:05 am

Nonstop4h 40m

$393

LiberiaOntario

LIR - ONT

LIRONT

Liberia

Wed 10/1

1:20 pm-9:24 pm

1 stop9h 04m

Ontario

Sun 10/5

6:00 am-12:10 pm

1 stop29h 10m

$399

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/31

Showing 1-10 of 54 results
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Best time to book a flight from Central America to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Central America 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 Central America to Ontario

What is the cheapest month to book a flight from Central America to Ontario?

Currently, August is the cheapest month in which you can book a flight from Central America to Ontario (average of $246). Flying from Central America 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 CA to ONT?

Find hourly flight availability from Central America 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 August 1, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Central America to Ontario as you normally would.

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 August 1, 2025.
Read reviews from past customers who have flown Alaska Airlines, Delta, and Aeromexico from Central America to Ontario. Users can see the overall rating for each airline as well as how each is rated 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

Overall

8.0

Entertainment

7.1

Comfort

7.8

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

Overall

8.0

Entertainment

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,983 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Overall

8.0

Entertainment

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Aeromexico
7.5
Good
1,719 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Overall

8.0

Entertainment

7.1

Comfort

7.8

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
8,904 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Overall

8.0

Entertainment

7.1

Comfort

7.8

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

Overall

8.0

Entertainment

7.1

Comfort

7.8

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 Central America to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Ontario from Central America?

    Ontario (ONT) is the airport you will fly into if you book a flight from Central America to Ontario. It is only a 3.1 mi journey from Ontario (ONT) to Ontario’s city center.

  • What are the cheapest airlines to fly from Central America to Ontario one-way?

    $125 is the cheapest one-way deal found within the past few days, from Avianca. You may also be able to find cheap deals on American Airlines and United Airlines, with prices starting from $163 and $186, respectively.

  • What are the most popular routes from Central America to Ontario?

    When deciding which route to take from Central America to Ontario consider Guatemala City La Aurora - Ontario, San José Juan Santamaria Intl - Ontario or San Salvador El Salvador Intl - Ontario as they are the most popular.

  • Can I find deals for flights from Central America to Ontario that include hotel bookings?

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

  • How can I find direct flights from Central America to Ontario?

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

  • Can I find deals for business class flights from Central America to Ontario?

    Yes. Cheapflights offers flight deals from Central America 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 Central America to Ontario?

    Currently, August is the cheapest month in which you can book a flight from Central America to Ontario (average of $246). Flying from Central America 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 Central America 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 Central America to Ontario

Discover the top 3 airlines that operate flights from Central America 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 August 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$187Average$481FlexibilityNo cancel feeOn-time69%
AviancaCheapest$242Average$522FlexibilityNo cancel feeOn-time71%
American AirlinesCheapest$596Average$640FlexibilityNo cancel feeOn-time71%

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