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Central America

$148+ Cheap flights from Ontario (ONT) to Central America

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 5/6. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — SJO
Apr 22 — Apr 291
Tue 4/22
Tue 4/29
1 adult, Economy
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Cheap flight deals from Ontario to Central America

Keep the following information in mind while searching for Ontario to Central America flight deals. Data was last updated April 17, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$322
(CheapOair)

One-way from

$148
(Avianca)

Popular in

December

Cheapest in

September

Average price

$352

Good round-trip deal

$375 or less

Good one-way deal

$240 or less
Provider with most accurate pricing for Los Angeles-San Salvador El Salvador Intl flight deals.
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From Ontario to Central America
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One-way flight from Ontario to Central America
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Highest demand for flights based on searches. 20% potential increase in price ($94 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($24 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Price to beat on a round-trip flight from Ontario to Central America.
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Price to beat on a one-way flight from Ontario to Central America.
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Find flight deals from Ontario to Central America

Cheapest flights from Ontario to Central America
Explore the most affordable flight options available from Ontario to Central America. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 17, 2025.

This CheapOair deal was found by Cheapflights users on 4/16. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/261:09 amONT - SJO
1 stop21h 05mMultiple Airlines
Tue 6/103:31 pmSJO - ONT
1 stop8h 42mMultiple Airlines
Deal found 4/16$322
This Avianca deal was found by Cheapflights users on 4/16. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/3111:25 pmONT - GUA
1 stop8h 40mAvianca
Sat 6/77:50 amGUA - ONT
2 stops15h 05mAvianca
Deal found 4/16$348
This Avianca deal was found by Cheapflights users on 4/17. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/911:25 pmONT - SAL
Nonstop4h 40mAvianca
Tue 9/305:35 pmSAL - ONT
Nonstop5h 20mAvianca
Deal found 4/17$349
This Avianca deal was found by Cheapflights users on 4/16. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/2011:25 pmONT - SJO
1 stop10h 50mAvianca
Thu 5/293:05 pmSJO - ONT
1 stop7h 50mAvianca
Deal found 4/16$359
This American Airlines deal was found by Cheapflights users on 4/17. 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.
Sat 9/2011:59 pmONT - SJO
1 stop16h 31mAmerican Airlines
Fri 9/267:35 amSJO - ONT
1 stop15h 21mAmerican Airlines
Deal found 4/17$362
This United Airlines deal was found by Cheapflights users on 4/17. 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 9/176:04 amONT - SJO
1 stop12h 33mUnited Airlines
Sun 9/218:37 amSJO - ONT
1 stop15h 16mUnited Airlines
Deal found 4/17$380
This United Airlines deal was found by Cheapflights users on 4/17. 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 5/66:08 amONT - SAL
1 stop13h 09mUnited Airlines
Mon 6/166:00 amSAL - ONT
1 stop16h 10mUnited Airlines
Deal found 4/17$396
This American Airlines deal was found by Cheapflights users on 4/17. 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.
Thu 5/291:14 pmONT - SAL
2 stops21h 55mAmerican Airlines
Sun 6/152:08 pmSAL - ONT
2 stops22h 52mAmerican Airlines
Deal found 4/17$419
This United Airlines deal was found by Cheapflights users on 4/16. 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.
Thu 5/86:48 pmONT - GUA
2 stops15h 48mUnited Airlines
Thu 5/2212:38 pmGUA - ONT
1 stop9h 32mUnited Airlines
Deal found 4/16$422
This Kiwi.com deal was found by Cheapflights users on 4/17. 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 5/811:25 pmONT - SAL
Nonstop4h 40mMultiple Airlines
Sun 5/118:00 amSAL - ONT
1 stop30h 38mMultiple Airlines
Deal found 4/17$425
This American Airlines deal was found by Cheapflights users on 4/15. 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.
Sun 5/117:25 pmONT - BZE
2 stops17h 49mAmerican Airlines
Fri 5/1612:20 pmBZE - ONT
2 stops21h 41mAmerican Airlines
Deal found 4/15$430
This American Airlines deal was found by Cheapflights users on 4/16. 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.
Fri 5/96:15 amONT - GUA
2 stops11h 37mAmerican Airlines
Sun 5/112:05 pmGUA - ONT
1 stop10h 38mAmerican Airlines
Deal found 4/16$431

Cheapflights Fare Finder

Customize your flight search to find flights from Ontario to Central America 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 April 17, 2025.
Use the filters below to find and compare flights from Ontario to Central America that are best for you.

Fly from

Ontario

Fly to

Central America

Route

Depart

Return

Price

OntarioSan José

ONT - SJO

ONTSJO

Ontario

Mon 5/26

1:09 am-11:14 pm

1 stop21h 05m

San José Juan Santamaria Intl

Tue 6/10

3:31 pm-11:13 pm

1 stop8h 42m

$322

OntarioGuatemala City

ONT - GUA

ONTGUA

Ontario

Sat 5/31

11:25 pm-9:05 am

1 stop8h 40m

Guatemala City La Aurora

Sat 6/7

7:50 am-9:55 pm

2 stops15h 05m

$348

OntarioSan Salvador

ONT - SAL

ONTSAL

Ontario

Sat 5/17

11:25 pm-5:05 am

Nonstop4h 40m

San Salvador El Salvador Intl

Sun 6/1

5:35 pm-9:55 pm

Nonstop5h 20m

$356

OntarioSan José

ONT - SJO

ONTSJO

Ontario

Tue 5/20

11:25 pm-11:15 am

1 stop10h 50m

San José Juan Santamaria Intl

Thu 5/29

3:05 pm-9:55 pm

1 stop7h 50m

$359

OntarioSan José

ONT - SJO

ONTSJO

Ontario

Sat 9/20

11:59 pm-5:30 pm

1 stop16h 31m

San José Juan Santamaria Intl

Fri 9/26

7:35 am-9:56 pm

1 stop15h 21m

$362

OntarioSan José

ONT - SJO

ONTSJO

Ontario

Wed 9/17

6:04 am-7:37 pm

1 stop12h 33m

San José Juan Santamaria Intl

Sun 9/21

8:37 am-10:53 pm

1 stop15h 16m

$380

OntarioSan Salvador

ONT - SAL

ONTSAL

Ontario

Tue 5/6

6:08 am-8:17 pm

1 stop13h 09m

San Salvador El Salvador Intl

Mon 6/16

6:00 am-9:10 pm

1 stop16h 10m

$396

OntarioSan Salvador

ONT - SAL

ONTSAL

Ontario

Thu 5/1

10:40 pm-6:54 pm

2 stops19h 14m

San Salvador El Salvador Intl

Tue 5/13

1:45 pm-8:56 am

2 stops20h 11m

$421

OntarioGuatemala City

ONT - GUA

ONTGUA

Ontario

Thu 5/8

6:48 pm-11:36 am

2 stops15h 48m

Guatemala City La Aurora

Thu 5/22

12:38 pm-9:10 pm

1 stop9h 32m

$422

OntarioSan Salvador

ONT - SAL

ONTSAL

Ontario

Thu 5/8

11:25 pm-5:05 am

Nonstop4h 40m

San Salvador El Salvador Intl

Sun 5/11

8:00 am-1:38 pm

1 stop30h 38m

$425

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/17

Showing 1-10 of 60 results
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Best time to book a flight from Ontario to Central America

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

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

Currently, September is the cheapest month in which you can book a flight from Ontario to Central America (average of $398). Flying from Ontario to Central America in March is currently the most expensive (average of $555). 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 ONT to CA?

Find hourly flight availability from Ontario to Central America. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 17, 2025.

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

Rainfall in Central America by month

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

In terms of precipitation, rainfall in Central America ranges from 0.0 - 13.0 inches per month. August is typically the wettest month, when rainfall can reach 13.0 in. February is typically the driest time to visit Central America when rainfall is around 0.0 in.

Temperature in Central America by month

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

If weather is an important factor for your trip to Central America, use this chart to help with planning. For those seeking warmer temperatures, March is the ideal time of year to visit, when temperatures reach an average of 77.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 73.4 F).

Reviews of airlines servicing Central America

Get insights into the airlines that provide service to Central America. 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 Central America. Reviews last updated April 17, 2025.
Delta
8.0
Very good
7,916 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,916 reviews
Delta
8.0
Very good
7,916 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Alaska Airlines
8.0
Very good
9,887 reviews
Delta
8.0
Very good
7,916 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Southwest
8.0
Very good
4,280 reviews
Delta
8.0
Very good
7,916 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Copa Airlines
7.6
Good
1,409 reviews
Delta
8.0
Very good
7,916 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,667 reviews
Delta
8.0
Very good
7,916 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Central America. 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 from for flights from Ontario to Central America?

    For a flight from Ontario to Central America, you will be flying from Ontario. Ontario (ONT) is just 3.1 mi from the center of the city.

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

    One-way options have recently been found by users for as low as $148 on Avianca. Other airlines that offer cheap prices include American Airlines from $165 and United Airlines from $172 one-way.

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

    While some choose either Ontario - Guatemala City La Aurora or Ontario - San José Juan Santamaria Intl, Ontario - San Salvador El Salvador Intl is the most popular route from Ontario to Central America.

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

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

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

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

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

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

    Currently, September is the cheapest month in which you can book a flight from Ontario to Central America (average of $398). Flying from Ontario to Central America in March is currently the most expensive (average of $555). 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 Ontario to Central America

See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from Ontario to Central America

Discover the top 6 airlines that operate flights from Ontario to Central America. 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 April 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
VolarisCheapest$166Average$319FlexibilityNo cancel feeOn-time79%
AviancaCheapest$193Average$446FlexibilityNo cancel feeOn-time71%
American AirlinesCheapest$230Average$589FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$250Average$678FlexibilityNo cancel feeOn-time69%
Volaris El SalvadorCheapest$252Average$351FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$616Average$698FlexibilityNo cancel feeOn-time63%

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