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South America

$137+ Cheap flights from Ontario (ONT) to South 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 2/20. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — BOG
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheap flight deals from Ontario to South America

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

This United Airlines deal was found by Cheapflights users on 12/9. 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 12/265:05 amONT - BOG
2 stops45h 05mUnited Airlines
Wed 12/318:15 amBOG - ONT
2 stops31h 23mUnited Airlines
Deal found 12/9$594
This United Airlines deal was found by Cheapflights users on 12/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/126:41 pmONT - MDE
2 stops24h 24mUnited Airlines
Thu 12/181:15 amMDE - ONT
2 stops14h 23mUnited Airlines
Deal found 12/11$610
This United Airlines deal was found by Cheapflights users on 12/9. 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 12/96:00 amONT - BOG
2 stops20h 10mUnited Airlines
Sun 12/141:30 amBOG - ONT
2 stops19h 07mUnited Airlines
Deal found 12/9$640
This United Airlines deal was found by Cheapflights users on 12/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/156:00 amONT - MDE
1 stop13h 05mUnited Airlines
Sun 12/2110:45 amMDE - ONT
1 stop14h 07mUnited Airlines
Deal found 12/11$652
This United Airlines deal was found by Cheapflights users on 12/10. 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.
Thu 12/115:05 amONT - MDE
2 stops14h 00mUnited Airlines
Thu 12/1810:45 amMDE - ONT
1 stop14h 07mUnited Airlines
Deal found 12/10$657
This United Airlines deal was found by Cheapflights users on 12/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/136:00 amONT - MDE
1 stop13h 05mUnited Airlines
Thu 12/181:15 amMDE - ONT
1 stop23h 37mUnited Airlines
Deal found 12/11$664
This United Airlines deal was found by Cheapflights users on 12/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/286:00 amONT - GYE
2 stops32h 36mUnited Airlines
Tue 1/2712:20 pmGYE - ONT
2 stops36h 38mUnited Airlines
Deal found 12/11$673
This United Airlines deal was found by Cheapflights users on 12/9. 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.
Sat 12/275:05 amONT - BOG
2 stops45h 05mUnited Airlines
Sat 2/148:15 amBOG - ONT
1 stop16h 44mUnited Airlines
Deal found 12/9$684
This Avianca deal was found by Cheapflights users on 12/10. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2710:30 pmONT - BOG
1 stop14h 30mAvianca
Sat 2/141:30 pmBOG - ONT
1 stop10h 25mAvianca
Deal found 12/10$707
This United Airlines deal was found by Cheapflights users on 12/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/146:00 amONT - MDE
1 stop13h 05mUnited Airlines
Wed 12/2410:45 amMDE - ONT
1 stop14h 07mUnited Airlines
Deal found 12/11$730
This American Airlines deal was found by Cheapflights users on 12/11. 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.
Sat 12/277:18 pmONT - BOG
2 stops14h 22mAmerican Airlines
Sat 2/143:15 pmBOG - ONT
2 stops21h 52mAmerican Airlines
Deal found 12/11$734
This United Airlines deal was found by Cheapflights users on 12/10. 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.
Mon 12/156:00 amONT - MDE
2 stops20h 42mUnited Airlines
Thu 12/181:15 amMDE - ONT
2 stops14h 23mUnited Airlines
Deal found 12/10$735

Find flight deals from Ontario to South America

Keep the following information in mind while searching for Ontario to South America flight deals. Data was last updated December 12, 2025.

Round-trip from

$384
(FlightHub)

One-way from

$137
(Mytrip)

Popular in

December

Cheapest in

October

Average price

$826
From Ontario to South America
Search Deals
One-way flight from Ontario to South America
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($73 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($27 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to South 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 12, 2025.
Use the filters below to find and compare flights from Ontario to South America that are best for you.

Fly from

Ontario

Fly to

South America

Route

Depart

Return

Price

OntarioCartagena

ONT - CTG

ONTCTG

Ontario

Wed 4/1

6:00 am-10:58 pm

2 stops14h 58m

Cartagena Rafael Nunez

Wed 4/8

6:21 am-10:11 pm

2 stops17h 50m

$509

OntarioMedellín

ONT - MDE

ONTMDE

Ontario

Sat 3/14

11:30 pm-3:30 pm

2 stops14h 00m

Medellín Jose Maria Cordova Intl

Sat 3/21

10:40 am-9:55 pm

2 stops13h 15m

$512

OntarioGuayaquil

ONT - GYE

ONTGYE

Ontario

Sat 5/16

11:25 pm-5:20 pm

2 stops15h 55m

Guayaquil Jose Joaquin de Olmedo

Mon 5/25

6:59 am-10:09 pm

1 stop17h 10m

$513

OntarioBogotá

ONT - BOG

ONTBOG

Ontario

Wed 2/4

6:00 am-10:35 pm

1 stop13h 35m

Bogotá El Dorado

Sat 2/7

8:15 am-9:58 pm

1 stop16h 43m

$513

OntarioCartagena

ONT - CTG

ONTCTG

Ontario

Wed 1/28

10:30 pm-2:17 pm

1 stop12h 47m

Cartagena Rafael Nunez

Wed 2/4

3:32 pm-11:31 am

1 stop22h 59m

$518

OntarioBogotá

ONT - BOG

ONTBOG

Ontario

Thu 2/19

1:50 pm-5:10 am

2 stops12h 20m

Bogotá El Dorado

Sun 2/22

8:15 am-9:59 pm

1 stop16h 44m

$518

OntarioCartagena

ONT - CTG

ONTCTG

Ontario

Sat 2/28

6:00 am-11:00 pm

2 stops14h 00m

Cartagena Rafael Nunez

Wed 3/4

6:25 am-9:59 pm

2 stops18h 34m

$519

OntarioCartagena

ONT - CTG

ONTCTG

Ontario

Thu 1/29

10:30 pm-2:17 pm

1 stop12h 47m

Cartagena Rafael Nunez

Thu 2/5

3:32 pm-9:05 pm

1 stop32h 33m

$528

OntarioCartagena

ONT - CTG

ONTCTG

Ontario

Sat 2/21

10:20 pm-2:17 pm

1 stop12h 57m

Cartagena Rafael Nunez

Sat 2/28

10:45 am-8:55 pm

2 stops13h 10m

$528

OntarioCartagena

ONT - CTG

ONTCTG

Ontario

Thu 1/29

10:30 pm-2:17 pm

1 stop12h 47m

Cartagena Rafael Nunez

Wed 2/4

3:32 pm-11:31 am

1 stop22h 59m

$528

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

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

Have a flexible travel schedule? Discover the best time to fly to South 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 South America

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

Currently, November is the cheapest month in which you can book a flight from Ontario to South America (average of $231). Flying from Ontario to South America in December is currently the most expensive (average of $406). 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 SA?

Find hourly flight availability from Ontario to South 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 12, 2025.

One of the essential ways to save on airfare from Ontario to South America is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the evening could potentially save you up to 24% on airfare.

Reviews of airlines servicing South America

Get insights into the airlines that provide service to South 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 South America. Reviews last updated December 12, 2025.
Read reviews from past customers who have flown Delta, LATAM Airlines, and United Airlines from Ontario to South America. 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.
Delta
7.9
Good
8,007 reviews

Comfort

7.9

Boarding

8.1

Food

7.3

Crew

8.5

Entertainment

7.9

Overall

7.9

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
7.9
Good
8,007 reviews
Delta
7.9
Good
8,007 reviews

Comfort

7.9

Boarding

8.1

Food

7.3

Crew

8.5

Entertainment

7.9

Overall

7.9

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.
LATAM Airlines
7.5
Good
1,887 reviews
Delta
7.9
Good
8,007 reviews

Comfort

7.9

Boarding

8.1

Food

7.3

Crew

8.5

Entertainment

7.9

Overall

7.9

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
9,095 reviews
Delta
7.9
Good
8,007 reviews

Comfort

7.9

Boarding

8.1

Food

7.3

Crew

8.5

Entertainment

7.9

Overall

7.9

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.
American Airlines
7.2
Good
11,050 reviews
Delta
7.9
Good
8,007 reviews

Comfort

7.9

Boarding

8.1

Food

7.3

Crew

8.5

Entertainment

7.9

Overall

7.9

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.
Avianca
6.6
Okay
2,480 reviews
Delta
7.9
Good
8,007 reviews

Comfort

7.9

Boarding

8.1

Food

7.3

Crew

8.5

Entertainment

7.9

Overall

7.9

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 South 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 South America?

    Most people fly from Ontario (ONT) if they book a flight from Ontario to South America. Ontario is conveniently located just 3.1 mi from Ontario’s city center.

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

    A quick flight from Ontario to South America can take about 12h 47m. United Airlines provides one of the quickest options available for as low as $518. Ontario and South America are separated by a distance of 3112 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    Most travelers choose Ontario - Lima J Chavez Intl, Ontario - Medellín Jose Maria Cordova Intl or Ontario - Buenos Aires Ministro Pistarini when deciding on the best route from Ontario to South America.

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

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

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

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

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

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

    Currently, November is the cheapest month in which you can book a flight from Ontario to South America (average of $231). Flying from Ontario to South America in December is currently the most expensive (average of $406). 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 South America

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from Ontario to South America

Discover the top 5 airlines that operate flights from Ontario to South 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 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
AviancaCheapest$465Average$551FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$499Average$633FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$538Average$663FlexibilityNo cancel feeOn-time71%
LATAM AirlinesCheapest$644Average$794FlexibilityNo cancel feeOn-time81%
DeltaCheapest$644Average$778FlexibilityNo cancel feeOn-timeN/A

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