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Quito

$373+ Cheap flights from Ontario (ONT) to Quito (UIO)

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 7/5. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — UIO
Jul 8 — Jul 151
Wed 7/8
Wed 7/15
1 adult, Economy
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Cheap flight deals from Ontario to Quito

Cheapest flights from Ontario to Quito
Explore the most affordable flight options available from Ontario to Quito. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 8, 2026.

This Avianca deal was found by Cheapflights users on 6/5. 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 6/911:35 pm
ONT
-
UIO
2 stops14h 35m
Avianca
Tue 6/1610:10 am
UIO
-
ONT
2 stops13h 35m
Avianca
Deal found 6/5$626
This oojo deal was found by Cheapflights users on 6/5. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/1611:35 pm
ONT
-
UIO
2 stops16h 05m
Avianca
Wed 7/222:15 pm
UIO
-
ONT
2 stops33h 30m
Avianca
Deal found 6/5$646
This Justfly.com deal was found by Cheapflights users on 6/8. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/2111:35 pm
ONT
-
UIO
2 stops22h 05m
Avianca
Tue 7/2810:10 am
UIO
-
ONT
2 stops13h 35m
Avianca
Deal found 6/8$650
This FlightHub deal was found by Cheapflights users on 6/3. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2511:35 pm
ONT
-
UIO
2 stops22h 05m
Avianca
Sat 9/54:05 am
UIO
-
ONT
1 stop19h 40m
Avianca
Deal found 6/3$654
This United Airlines deal was found by Cheapflights users on 6/3. 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 9/19:15 am
ONT
-
UIO
1 stop12h 10m
United Airlines
Sun 9/67:25 am
UIO
-
ONT
1 stop16h 34m
United Airlines
Deal found 6/3$667
This FlightHub deal was found by Cheapflights users on 6/7. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/2311:35 pm
ONT
-
UIO
2 stops14h 35m
Avianca
Fri 7/246:50 pm
UIO
-
ONT
2 stops28h 55m
Avianca
Deal found 6/7$670
This United Airlines deal was found by Cheapflights users on 6/3. 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 8/251:56 pm
ONT
-
UIO
2 stops31h 29m
United Airlines
Fri 9/412:35 am
UIO
-
ONT
2 stops19h 41m
United Airlines
Deal found 6/3$672
This United Airlines deal was found by Cheapflights users on 6/8. 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 8/236:00 am
ONT
-
UIO
1 stop15h 25m
United Airlines
Mon 8/317:25 am
UIO
-
ONT
1 stop16h 34m
United Airlines
Deal found 6/8$677
This United Airlines deal was found by Cheapflights users on 6/4. 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 6/65:45 am
ONT
-
UIO
1 stop15h 40m
United Airlines
Sun 6/1412:35 am
UIO
-
ONT
1 stop23h 20m
United Airlines
Deal found 6/4$679

Find flight deals from Ontario to Quito

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Quito (UIO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 8, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$626
(Avianca)

One-way from

$373
(Mytrip)

Popular in

December

Cheapest in

September

Average price

$663
Provider with most accurate pricing for Ontario-Quito Mariscal Sucr flight deals.
Search Deals
Provider most trusted by Cheapflights users for Ontario-Quito Mariscal Sucr flights.
Search Deals
From Ontario to Quito Mariscal Sucr
Search Deals
One-way flight from Ontario to Quito Mariscal Sucr
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($32 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($23 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Quito 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 June 8, 2026.
Use the filters below to find and compare flights from Ontario to Quito that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioQuito

ONT - UIO

ONTUIO

Ontario

Sun 8/30

6:00 am-11:25 pm

1 stop15h 25m

Quito Mariscal Sucr

Sat 9/5

12:35 am-6:11 pm

2 stops19h 36m

$672

OntarioQuito

ONT - UIO

ONTUIO

Ontario

Tue 9/1

9:15 am-11:25 pm

1 stop12h 10m

Quito Mariscal Sucr

Sat 9/5

12:35 am-8:01 pm

2 stops21h 26m

$672

OntarioQuito

ONT - UIO

ONTUIO

Ontario

Mon 8/31

5:00 am-5:00 am

2 stops22h 00m

Quito Mariscal Sucr

Sat 9/5

12:35 am-6:11 pm

2 stops19h 36m

$672
Quickest round-trip

OntarioQuito

ONT - UIO

ONTUIO

Ontario

Sat 9/19

1:18 pm-5:00 am

2 stops13h 42m

Quito Mariscal Sucr

Sun 9/27

7:25 am-9:59 pm

1 stop16h 34m

$682

OntarioQuito

ONT - UIO

ONTUIO

Ontario

Fri 8/21

5:00 am-5:00 am

2 stops22h 00m

Quito Mariscal Sucr

Sat 8/29

12:35 am-6:11 pm

2 stops19h 36m

$682

OntarioQuito

ONT - UIO

ONTUIO

Ontario

Sun 8/23

5:00 am-5:00 am

2 stops22h 00m

Quito Mariscal Sucr

Mon 8/31

7:25 am-9:59 pm

1 stop16h 34m

$682

OntarioQuito

ONT - UIO

ONTUIO

Ontario

Fri 9/18

7:13 pm-11:25 pm

2 stops26h 12m

Quito Mariscal Sucr

Thu 9/24

12:35 am-12:18 pm

2 stops13h 43m

$682

OntarioQuito

ONT - UIO

ONTUIO

Ontario

Sat 11/14

6:02 am-12:30 am

1 stop15h 28m

Quito Mariscal Sucr

Mon 11/23

1:35 am-9:21 pm

1 stop22h 46m

$690

OntarioQuito

ONT - UIO

ONTUIO

Ontario

Sun 10/18

6:00 am-11:25 pm

1 stop15h 25m

Quito Mariscal Sucr

Sun 10/25

12:35 am-9:21 pm

1 stop22h 46m

$690

OntarioQuito

ONT - UIO

ONTUIO

Ontario

Sun 7/12

5:45 am-5:00 am

1 stop21h 15m

Quito Mariscal Sucr

Wed 7/15

12:35 am-9:55 pm

1 stop23h 20m

$702

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/7

Showing 1-10 of 21 resultsSorted by cheapest first
1
2
3

Compare providers for flights from Ontario to Quito

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ontario to Quito in June.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Ontario-Quito flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-Quito flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ontario-Quito flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Ontario-Quito flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ontario-Quito flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Ontario to Quito

Have a flexible travel schedule? Discover the best time to fly to Quito 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.

Reviews of airlines servicing Quito

Get insights into the airlines that provide service to Quito. 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 Quito. Reviews last updated June 8, 2026.
See what other customers who have flown with United Airlines from Ontario to Quito have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,781 reviews

Comfort

7.3

Food

6.6

Overall

7.4

Entertainment

7.1

Boarding

7.7

Crew

8.1

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.
United Airlines
7.4
Good
9,781 reviews
United Airlines
7.4
Good
9,781 reviews

Comfort

7.3

Food

6.6

Overall

7.4

Entertainment

7.1

Boarding

7.7

Crew

8.1

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Quito. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Ontario to Quito?

    Airlines like United Airlines fly from Ontario to Quito in about 15h 25m. The time it takes to get you to your destination can typically vary by up to . Ontario and Quito are separated by a distance of 3464 mi.

  • What is the cheapest airline to fly from Ontario to Quito round-trip?

    Cheapflights users have booked flights from Ontario to Quito round-trip from $571.

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

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

  • How can I find direct flights from Ontario to Quito?

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

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

    Yes. Cheapflights offers flight deals from Ontario to Quito by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Ontario to Quito

Discover the top airline that operate flights from Ontario to Quito. 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 June 8, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$571Average$886FlexibilityNo cancel feeOn-time69%

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