HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Central America

$73+ 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 1/31. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — SJO
Jan 14 — Jan 211
Wed 1/14
Wed 1/21
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Ontario to Central America with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap 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 December 15, 2025.

This United Airlines deal was found by Cheapflights users on 12/13. 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.
Sun 12/141:50 pmONT - SAL
2 stops23h 34mUnited Airlines
Wed 12/174:40 pmSAL - ONT
2 stops19h 21mUnited Airlines
Deal found 12/13$370
This United Airlines deal was found by Cheapflights users on 12/13. 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.
Sun 12/141:50 pmONT - SAL
2 stops23h 34mUnited Airlines
Fri 12/192:00 amSAL - ONT
2 stops21h 07mUnited Airlines
Deal found 12/13$378
This United Airlines deal was found by Cheapflights users on 12/14. 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 12/186:04 amONT - GUA
1 stop11h 35mUnited Airlines
Mon 12/292:10 amGUA - ONT
2 stops17h 33mUnited Airlines
Deal found 12/14$384
This United Airlines deal was found by Cheapflights users on 12/13. 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.
Sun 12/145:05 amONT - SAL
2 stops14h 14mUnited Airlines
Fri 12/192:50 pmSAL - ONT
1 stop9h 02mUnited Airlines
Deal found 12/13$385
This Priceline deal was found by Cheapflights users on 12/14. 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.
Wed 12/316:20 pmONT - GUA
1 stop22h 16mMultiple Airlines
Thu 1/159:55 amGUA - ONT
1 stop13h 00mMultiple Airlines
Deal found 12/14$392
This United Airlines deal was found by Cheapflights users on 12/13. 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.
Sun 12/141:50 pmONT - SAL
2 stops23h 34mUnited Airlines
Sat 12/202:00 amSAL - ONT
2 stops21h 07mUnited Airlines
Deal found 12/13$396
This Priceline deal was found by Cheapflights users on 12/13. 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.
Wed 12/246:20 pmONT - GUA
1 stop22h 16mMultiple Airlines
Sat 1/249:55 amGUA - ONT
1 stop13h 00mMultiple Airlines
Deal found 12/13$399
This Priceline deal was found by Cheapflights users on 12/14. 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.
Mon 12/296:20 pmONT - GUA
1 stop22h 16mFrontier
Sat 1/104:41 pmGUA - ONT
1 stop22h 58mFrontier
Deal found 12/14$404
This Priceline deal was found by Cheapflights users on 12/13. 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.
Wed 12/316:20 pmONT - GUA
1 stop22h 16mFrontier
Wed 1/73:12 pmGUA - ONT
1 stop24h 27mFrontier
Deal found 12/13$413
This Priceline deal was found by Cheapflights users on 12/13. 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.
Wed 12/246:20 pmONT - GUA
1 stop22h 16mMultiple Airlines
Sun 12/287:45 amGUA - ONT
1 stop15h 10mMultiple Airlines
Deal found 12/13$417
This United Airlines deal was found by Cheapflights users on 12/13. 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.
Sun 12/146:41 pmONT - SAL
2 stops18h 43mUnited Airlines
Tue 12/236:55 amSAL - ONT
1 stop16h 57mUnited Airlines
Deal found 12/13$424
This United Airlines deal was found by Cheapflights users on 12/14. 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.
Sun 12/146:00 amONT - GUA
2 stops11h 39mUnited Airlines
Thu 12/181:28 pmGUA - ONT
1 stop10h 57mUnited Airlines
Deal found 12/14$438

Find 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 December 15, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$180
(Avianca)

One-way from

$73
(Flightnetwork)

Popular in

December

Cheapest in

September

Average price

$680

Good round-trip deal

$323 or less

Good one-way deal

$277 or less
Provider with most accurate pricing for Los Angeles-San Salvador El Salvador Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Los Angeles-San Salvador El Salvador Intl flights.
Search Deals
From Ontario to Central America
Search Deals
One-way flight from Ontario to Central America
Search Deals
Highest demand for flights based on searches. 21% potential increase in price ($108 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($25 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip flight from Ontario to Central America.
Search Deals
Price to beat on a one-way flight from Ontario to Central America.
Search Deals

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 December 15, 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

OntarioGuatemala City

ONT - GUA

ONTGUA

Ontario

Wed 4/22

6:00 am-4:37 pm

1 stop9h 37m

Guatemala City La Aurora

Wed 5/6

6:15 am-10:52 pm

2 stops17h 37m

$216

OntarioSan Salvador

ONT - SAL

ONTSAL

Ontario

Sun 2/1

6:10 am-3:24 pm

1 stop7h 14m

San Salvador El Salvador Intl

Fri 2/6

6:55 am-9:58 pm

1 stop17h 03m

$312

OntarioGuatemala City

ONT - GUA

ONTGUA

Ontario

Sun 1/25

6:00 am-3:35 pm

1 stop7h 35m

Guatemala City La Aurora

Sun 2/1

2:10 am-9:58 pm

1 stop21h 48m

$314

OntarioSan Salvador

ONT - SAL

ONTSAL

Ontario

Thu 1/29

6:00 am-9:19 pm

1 stop13h 19m

San Salvador El Salvador Intl

Fri 2/6

6:55 am-12:17 pm

2 stops31h 22m

$316

OntarioSan Salvador

ONT - SAL

ONTSAL

Ontario

Thu 1/1

6:10 am-12:36 am

1 stop16h 26m

San Salvador El Salvador Intl

Thu 1/22

4:40 pm-11:18 am

2 stops20h 38m

$320

OntarioSan Salvador

ONT - SAL

ONTSAL

Ontario

Tue 1/27

1:53 pm-3:24 pm

2 stops23h 31m

San Salvador El Salvador Intl

Fri 2/6

6:55 am-12:17 pm

2 stops31h 22m

$324

OntarioSan Salvador

ONT - SAL

ONTSAL

Ontario

Tue 2/17

8:00 am-9:19 pm

1 stop11h 19m

San Salvador El Salvador Intl

Tue 2/24

4:40 pm-12:43 pm

2 stops22h 03m

$324

OntarioSan Salvador

ONT - SAL

ONTSAL

Ontario

Sun 5/10

6:05 am-8:49 pm

1 stop13h 44m

San Salvador El Salvador Intl

Tue 5/19

1:50 pm-12:37 pm

2 stops23h 47m

$324

OntarioSan Salvador

ONT - SAL

ONTSAL

Ontario

Mon 1/26

6:00 am-3:24 pm

1 stop7h 24m

San Salvador El Salvador Intl

Sat 2/7

4:40 pm-12:47 pm

2 stops22h 07m

$324

OntarioSan Salvador

ONT - SAL

ONTSAL

Ontario

Mon 1/26

6:00 am-3:24 pm

1 stop7h 24m

San Salvador El Salvador Intl

Sat 2/14

4:40 pm-8:50 pm

2 stops30h 10m

$324

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/12

Showing 1-10 of 60 results
1
2
3
...
6

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, May is the cheapest month in which you can book a flight from Ontario to Central America (average of $114). Flying from Ontario to Central America in December is currently the most expensive (average of $217). 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 December 15, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 13% on flights from Ontario to Central America by exploring options for tickets in the evening.

What is the cheapest day to fly from Ontario to Central America?

Use this chart to determine the cheapest time to fly round-trip from Ontario to Central America. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Ontario to Central America flight should consider departing on Saturday afternoons when fares are most often at their lowest. Monday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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 December 15, 2025.
Read through reviews of airlines operating flights from Ontario to Central America, such as Volaris El Salvador, United Airlines, and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Volaris El Salvador
7.4
Good

Crew

7.7

Overall

7.4

Food

6.0

Boarding

7.5

Comfort

7.1

Entertainment

5.8
Volaris El Salvador
7.4
Good
Volaris El Salvador
7.4
Good

Crew

7.7

Overall

7.4

Food

6.0

Boarding

7.5

Comfort

7.1

Entertainment

5.8
United Airlines
7.4
Good
9,094 reviews
Volaris El Salvador
7.4
Good

Crew

7.7

Overall

7.4

Food

6.0

Boarding

7.5

Comfort

7.1

Entertainment

5.8
American Airlines
7.2
Good
11,050 reviews
Volaris El Salvador
7.4
Good

Crew

7.7

Overall

7.4

Food

6.0

Boarding

7.5

Comfort

7.1

Entertainment

5.8
Avianca
6.6
Okay
2,484 reviews
Volaris El Salvador
7.4
Good

Crew

7.7

Overall

7.4

Food

6.0

Boarding

7.5

Comfort

7.1

Entertainment

5.8

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.

  • How long is the flight from Ontario to Central America?

    Airlines like United Airlines, American Airlines, and Avianca fly from Ontario to Central America in about 8h. The time it takes to get you to your destination can typically vary by up to 13h 30m. The distance between Ontario and Central America is about 2247 mi. This flight may include one or multiple stops.

  • 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 $82 on United Airlines. Other airlines that offer cheap prices include American Airlines from $88 and Avianca from $94 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, May is the cheapest month in which you can book a flight from Ontario to Central America (average of $114). Flying from Ontario to Central America in December is currently the most expensive (average of $217). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ontario to Central America

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to John F Kennedy Intl flights
Los Angeles to Haneda flights
Los Angeles to Newark flights
Los Angeles to Seattle flights
Los Angeles to Narita flights
San Francisco to John F Kennedy Intl flights
Los Angeles to Honolulu flights
San Francisco to Las Vegas flights
Los Angeles to LaGuardia flights
Los Angeles to Mexico City flights
Los Angeles to Dallas/Fort Worth flights
San Francisco to Dallas/Fort Worth flights
Los Angeles to Cancún flights
San Francisco to Haneda flights
San Francisco to Newark flights
San Francisco to Honolulu flights
Los Angeles to O'Hare Intl flights
Los Angeles to Las Vegas flights
Ontario to San Francisco flights
Los Angeles to Orlando flights
San Francisco to Cancún flights
Los Angeles to Miami flights
San Francisco to Seattle flights
San Francisco to Ontario flights
Los Angeles to Fort Lauderdale flights
Los Angeles to Manila flights
San Francisco to Los Angeles flights
Los Angeles to Boston flights
San Francisco to Narita flights
Burbank to Las Vegas flights
Los Angeles to San Francisco flights
Santa Ana to Las Vegas flights
Los Angeles to Suvarnabhumi flights
San Francisco to New Delhi flights
San Francisco to Mexico City flights
Ontario to Seattle flights
San Francisco to LaGuardia flights
San Jose to Los Angeles flights
Los Angeles to Hobby flights
Los Angeles to Heathrow flights
Los Angeles to Salt Lake City flights
San Francisco to Santa Ana flights
Oakland to Las Vegas flights
San Jose to Las Vegas flights
Los Angeles to San Jose flights
San Francisco to Miami flights
San Diego to John F Kennedy Intl flights
Ontario to Dallas/Fort Worth flights
San Francisco to Kahului flights
Los Angeles to San Salvador flights

Top 4 airlines flying from Ontario to Central America

Discover the top 4 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 December 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$191Average$639FlexibilityNo cancel feeOn-time69%
AviancaCheapest$196Average$513FlexibilityNo cancel feeOn-time71%
American AirlinesCheapest$228Average$574FlexibilityNo cancel feeOn-time71%
Volaris El SalvadorCheapest$252Average$351FlexibilityNo cancel feeOn-timeN/A

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.