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South America

$205+ 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 7/20. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — BOG
mei. 24 — mei. 311
za 5/24
za 5/31
1 adult, Economy
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Cheap 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 mei 19, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$448
(Gotogate)

One-way from

$205
(Mytrip)

Popular in

December

Cheapest in

February

Average price

$587
Provider with most accurate pricing for Los Angeles-Sao Paulo (SAO) flight deals.
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From Ontario to South America
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One-way flight from Ontario to South America
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Highest demand for flights based on searches. 17% potential increase in price ($138 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($41 potential savings vs. average RT price).
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Average for round-trip flights in May 2025
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Find 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 mei 19, 2025.

This Gotogate deal was found by Cheapflights users on 5/19. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
do 10/211:25 pmONT - MDE
2 stops11h 05mAvianca
do 10/3011:52 amMDE - ONT
2 stops12h 08mAvianca
Deal found 5/19$448
This Avianca deal was found by Cheapflights users on 5/19. 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.
za 8/1611:25 pmONT - BOG
1 stop11h 55mAvianca
do 8/282:20 pmBOG - ONT
1 stop9h 35mAvianca
Deal found 5/19$465
This United Airlines deal was found by Cheapflights users on 5/19. 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.
wo 8/136:00 amONT - BOG
1 stop11h 20mUnited Airlines
wo 8/278:30 amBOG - ONT
1 stop14h 55mUnited Airlines
Deal found 5/19$503
This United Airlines deal was found by Cheapflights users on 5/19. 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.
di 7/156:00 amONT - CTG
2 stops24h 41mUnited Airlines
di 7/229:38 amCTG - ONT
2 stops37h 59mUnited Airlines
Deal found 5/19$508
This Gotogate deal was found by Cheapflights users on 5/19. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
za 8/1611:25 pmONT - GYE
2 stops15h 55mAvianca
do 8/288:50 amGYE - ONT
2 stops15h 05mAvianca
Deal found 5/19$519
This United Airlines deal was found by Cheapflights users on 5/19. 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.
di 7/156:00 amONT - MDE
1 stop13h 10mUnited Airlines
di 7/229:45 amMDE - ONT
1 stop13h 52mUnited Airlines
Deal found 5/19$533
This Avianca deal was found by Cheapflights users on 5/19. 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.
za 8/1611:25 pmONT - CTG
3 stops13h 49mAvianca
do 8/2810:45 amCTG - ONT
3 stops13h 10mAvianca
Deal found 5/19$540
This Priceline deal was found by Cheapflights users on 5/18. 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.
za 9/611:25 pmONT - LIM
2 stops23h 10mAvianca
vr 9/128:25 pmLIM - ONT
2 stops27h 30mAvianca
Deal found 5/18$556
This Mytrip deal was found by Cheapflights users on 5/19. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
di 7/1511:25 pmONT - CTG
3 stops19h 43mMultiple Airlines
di 7/226:55 amCTG - ONT
3 stops17h 00mMultiple Airlines
Deal found 5/19$561
This Avianca deal was found by Cheapflights users on 5/19. 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.
do 7/1011:25 pmONT - UIO
2 stops15h 40mAvianca
za 7/193:15 amUIO - ONT
1 stop20h 40mAvianca
Deal found 5/19$569
This United Airlines deal was found by Cheapflights users on 5/19. 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.
ma 7/76:00 amONT - GYE
2 stops29h 46mUnited Airlines
za 8/162:45 pmGYE - ONT
2 stops47h 29mUnited Airlines
Deal found 5/19$595
This United Airlines deal was found by Cheapflights users on 5/19. 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.
di 9/26:50 pmONT - UIO
2 stops26h 35mUnited Airlines
zo 9/1412:35 amUIO - ONT
2 stops21h 58mUnited Airlines
Deal found 5/19$615

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 mei 19, 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

OntarioMedellín

ONT - MDE

ONTMDE

Ontario

do 10/2

11:25 pm-12:30 pm

2 stops11h 05m

Medellín Jose Maria Cordova Intl

do 10/30

11:52 am-10:00 pm

2 stops12h 08m

$448

OntarioBogotá

ONT - BOG

ONTBOG

Ontario

za 8/16

11:25 pm-1:20 pm

1 stop11h 55m

Bogotá El Dorado

do 8/28

2:20 pm-9:55 pm

1 stop9h 35m

$465

OntarioBogotá

ONT - BOG

ONTBOG

Ontario

wo 8/13

6:00 am-7:20 pm

1 stop11h 20m

Bogotá El Dorado

wo 8/27

8:30 am-9:25 pm

1 stop14h 55m

$503

OntarioCartagena

ONT - CTG

ONTCTG

Ontario

di 7/15

6:00 am-8:41 am

2 stops24h 41m

Cartagena Rafael Nunez

di 7/22

9:38 am-9:37 pm

2 stops37h 59m

$508

OntarioGuayaquil

ONT - GYE

ONTGYE

Ontario

za 8/16

11:25 pm-5:20 pm

2 stops15h 55m

Guayaquil Jose Joaquin de Olmedo

do 8/28

8:50 am-9:55 pm

2 stops15h 05m

$519

OntarioMedellín

ONT - MDE

ONTMDE

Ontario

di 7/15

6:00 am-9:10 pm

1 stop13h 10m

Medellín Jose Maria Cordova Intl

di 7/22

9:45 am-9:37 pm

1 stop13h 52m

$533

OntarioCartagena

ONT - CTG

ONTCTG

Ontario

za 8/16

11:25 pm-3:14 pm

3 stops13h 49m

Cartagena Rafael Nunez

do 8/28

10:45 am-9:55 pm

3 stops13h 10m

$540

OntarioLima

ONT - LIM

ONTLIM

Ontario

za 9/6

11:25 pm-12:35 am

2 stops23h 10m

Lima J Chavez Intl

vr 9/12

8:25 pm-9:55 pm

2 stops27h 30m

$556

OntarioCartagena

ONT - CTG

ONTCTG

Ontario

di 7/15

11:25 pm-9:08 pm

3 stops19h 43m

Cartagena Rafael Nunez

di 7/22

6:55 am-9:55 pm

3 stops17h 00m

$561

OntarioQuito

ONT - UIO

ONTUIO

Ontario

do 7/10

11:25 pm-5:05 pm

2 stops15h 40m

Quito Mariscal Sucr

za 7/19

3:15 am-9:55 pm

1 stop20h 40m

$569

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/19

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, May is the cheapest month in which you can book a flight from Ontario to South America (average of $359). Flying from Ontario to South America in December is currently the most expensive (average of $664). 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 mei 19, 2025.

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

Rainfall in South America by month

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

In terms of precipitation, rainfall in South America ranges from 0.8 - 9.4 inches per month. January is typically the wettest month, when rainfall can reach 9.4 in. July is typically the driest time to visit South America when rainfall is around 0.8 in.

Temperature in South America by month

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

If weather is an important factor for your trip to South America, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of June, when temperatures are typically at their lowest (around 62.6 F).

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 mei 19, 2025.
Delta
8.0
Very good
7,949 reviews

Food

7.3

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

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
8.0
Very good
7,949 reviews
Delta
8.0
Very good
7,949 reviews

Food

7.3

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

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.
Copa Airlines
7.5
Good
1,428 reviews
Delta
8.0
Very good
7,949 reviews

Food

7.3

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

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
8,743 reviews
Delta
8.0
Very good
7,949 reviews

Food

7.3

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

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.
JetBlue
7.3
Good
2,929 reviews
Delta
8.0
Very good
7,949 reviews

Food

7.3

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

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
10,000 reviews
Delta
8.0
Very good
7,949 reviews

Food

7.3

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

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.

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

    One-way options have recently been found by users for as low as $205 on Avianca. Other airlines that offer cheap prices include Delta from $226 and United Airlines from $231 one-way.

  • 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, May is the cheapest month in which you can book a flight from Ontario to South America (average of $359). Flying from Ontario to South America in December is currently the most expensive (average of $664). 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 6 airlines flying from Ontario to South America

Discover the top 6 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 mei 19, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$364Average$1,033FlexibilityNo cancel feeOn-time71%
AviancaCheapest$418Average$584FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$431Average$629FlexibilityNo cancel feeOn-time69%
DeltaCheapest$619Average$723FlexibilityNo cancel feeOn-timeN/A
Copa AirlinesCheapest$633Average$633FlexibilityNo cancel feeOn-time70%
LATAM AirlinesCheapest$753Average$801FlexibilityNo cancel feeOn-time81%

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