HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Quito

$238+ 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 2/5. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — UIO
Dec 10 — Dec 171
Wed 12/10
Wed 12/17
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Ontario to Quito 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 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 November 10, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$567
(FlightHub)

One-way from

$238
(Mytrip)

Popular in

December

Cheapest in

September

Average price

$591
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. 11% potential increase in price ($79 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 November 2025
Search Deals

Find 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 November 10, 2025.

This United Airlines deal was found by Cheapflights users on 11/8. 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.
Mon 12/86:00 amONT - UIO
2 stops21h 10mUnited Airlines
Mon 12/158:00 amUIO - ONT
2 stops15h 42mUnited Airlines
Deal found 11/8$619
This United Airlines deal was found by Cheapflights users on 11/9. 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 12/56:00 amONT - UIO
1 stop15h 30mUnited Airlines
Mon 12/88:00 amUIO - ONT
1 stop16h 49mUnited Airlines
Deal found 11/9$627
This United Airlines deal was found by Cheapflights users on 11/10. 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.
Tue 11/116:05 amONT - UIO
1 stop15h 25mUnited Airlines
Wed 11/121:35 amUIO - ONT
2 stops18h 59mUnited Airlines
Deal found 11/10$631
This United Airlines deal was found by Cheapflights users on 11/10. 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.
Tue 11/116:05 amONT - UIO
1 stop15h 25mUnited Airlines
Fri 11/141:35 amUIO - ONT
1 stop23h 14mUnited Airlines
Deal found 11/10$638
This United Airlines deal was found by Cheapflights users on 11/9. 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.
Thu 11/131:29 pmONT - UIO
2 stops32h 01mUnited Airlines
Wed 11/191:35 amUIO - ONT
2 stops18h 59mUnited Airlines
Deal found 11/9$649
This Delta deal was found by Cheapflights users on 11/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/810:25 pmONT - UIO
1 stop18h 35mDelta
Mon 12/1511:45 pmUIO - ONT
1 stop14h 17mDelta
Deal found 11/8$685
This United Airlines deal was found by Cheapflights users on 11/8. 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.
Thu 12/41:50 pmONT - UIO
2 stops13h 20mUnited Airlines
Tue 12/161:35 amUIO - ONT
2 stops13h 57mUnited Airlines
Deal found 11/8$694
This United Airlines deal was found by Cheapflights users on 11/9. 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.
Sun 11/96:38 pmONT - UIO
2 stops26h 52mUnited Airlines
Mon 11/171:35 amUIO - ONT
2 stops22h 09mUnited Airlines
Deal found 11/9$710
This United Airlines deal was found by Cheapflights users on 11/8. 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.
Mon 12/291:40 pmONT - UIO
2 stops31h 50mUnited Airlines
Thu 1/221:35 amUIO - ONT
2 stops24h 18mUnited Airlines
Deal found 11/8$715

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 November 10, 2025.
Use the filters below to find and compare flights from Ontario to Quito that are best for you.

Fly from

Ontario

Fly to

Quito

Route

Depart

Return

Price

OntarioQuito

ONT - UIO

ONTUIO

Ontario

Tue 2/17

10:30 pm-5:55 pm

2 stops16h 25m

Quito Mariscal Sucr

Mon 2/23

3:30 am-8:55 pm

2 stops20h 25m

$567

OntarioQuito

ONT - UIO

ONTUIO

Ontario

Mon 12/8

5:05 am-6:10 am

2 stops22h 05m

Quito Mariscal Sucr

Mon 12/15

8:00 am-9:49 pm

1 stop16h 49m

$619

OntarioQuito

ONT - UIO

ONTUIO

Ontario

Wed 3/11

7:15 pm-11:30 pm

2 stops26h 15m

Quito Mariscal Sucr

Tue 3/24

12:35 am-10:37 pm

2 stops24h 02m

$619

OntarioQuito

ONT - UIO

ONTUIO

Ontario

Fri 4/10

10:30 pm-8:00 pm

1 stop19h 30m

Quito Mariscal Sucr

Wed 4/22

11:20 pm-6:15 pm

1 stop20h 55m

$625

OntarioQuito

ONT - UIO

ONTUIO

Ontario

Fri 4/10

10:30 pm-8:00 pm

1 stop19h 30m

Quito Mariscal Sucr

Thu 4/23

11:20 pm-6:15 pm

1 stop20h 55m

$625

OntarioQuito

ONT - UIO

ONTUIO

Ontario

Thu 2/5

6:00 am-12:30 am

1 stop15h 30m

Quito Mariscal Sucr

Sat 2/14

1:35 am-5:41 pm

2 stops19h 06m

$625

OntarioQuito

ONT - UIO

ONTUIO

Ontario

Fri 4/10

10:30 pm-8:00 pm

1 stop19h 30m

Quito Mariscal Sucr

Tue 4/21

11:20 pm-6:15 pm

1 stop20h 55m

$625

OntarioQuito

ONT - UIO

ONTUIO

Ontario

Fri 12/5

6:00 am-12:30 am

1 stop15h 30m

Quito Mariscal Sucr

Mon 12/8

8:00 am-9:49 pm

1 stop16h 49m

$627

OntarioQuito

ONT - UIO

ONTUIO

Ontario

Mon 5/4

6:02 am-11:25 pm

1 stop15h 23m

Quito Mariscal Sucr

Tue 5/5

12:35 am-5:47 pm

2 stops19h 12m

$631

OntarioQuito

ONT - UIO

ONTUIO

Ontario

Mon 1/26

5:05 am-12:30 am

2 stops16h 25m

$274

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/8

Showing 1-10 of 15 results
1
2

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 November.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Ontario-Quito flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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.

Cheapflights Insights

Everything you need to know about your flight from Ontario to Quito

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

Currently, May is the cheapest month in which you can book a flight from Ontario to Quito (average of $215). Flying from Ontario to Quito in December is currently the most expensive (average of $436). 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 UIO?

Find hourly flight availability from Ontario to Quito. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 10, 2025.

It’s optimal to fly from Ontario to Quito at noon. By choosing this option you can save up to 31% on the cost of your flight, compared to a flight in the afternoon.

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 November 10, 2025.
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
9,012 reviews

Comfort

7.3

Crew

8.1

Boarding

7.7

Food

6.6

Entertainment

7.1

Overall

7.4

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
9,012 reviews
United Airlines
7.4
Good
9,012 reviews

Comfort

7.3

Crew

8.1

Boarding

7.7

Food

6.6

Entertainment

7.1

Overall

7.4

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

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 Avianca and United Airlines fly from Ontario to Quito in about 16h 25m. The time it takes to get you to your destination can typically vary by up to 5h 40m. Ontario and Quito are separated by a distance of 3464 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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 $585.

  • 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.

  • What is the cheapest month to book a flight from Ontario to Quito?

    Currently, May is the cheapest month in which you can book a flight from Ontario to Quito (average of $215). Flying from Ontario to Quito in December is currently the most expensive (average of $436). 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 Quito

See prices for flight routes from nearby airports that may be better suited for you.
San Francisco to Quito flights
Los Angeles to Quito flights
Los Angeles to Guayaquil flights
San Francisco to Guayaquil flights
Ontario to Guayaquil flights
San Jose to Quito flights
Sacramento to Quito flights
San Diego to Quito flights
Las Vegas to Guayaquil flights
Los Angeles to Baltra flights
Las Vegas to Quito flights
Oakland to Quito flights
San Diego to Guayaquil flights
Los Angeles to Manta flights
San Francisco to San Cristobal flights
Los Angeles to San Cristobal flights
Santa Ana to Guayaquil flights
Reno to Quito flights
Burbank to Quito flights
Santa Ana to Quito flights
Burbank to Guayaquil flights
Oakland to Guayaquil flights
Las Vegas to Manta flights
Los Angeles to Cuenca flights
San Francisco to Baltra flights
Palm Springs to Quito flights
Santa Rosa to Quito flights
Sacramento to Guayaquil flights
San Jose to Guayaquil flights
San Jose to Cuenca flights
San Francisco to Manta flights
San Francisco to Cuenca flights
San Diego to Baltra flights
Reno to Guayaquil flights
Ontario to Cuenca flights
Long Beach to Guayaquil flights
San Jose to Baltra flights
Oakland to Cuenca flights
San Diego to Cuenca flights
Medford to Quito flights
Long Beach to Quito flights
Monterey to Quito flights
San Jose to San Cristobal flights
Las Vegas to San Cristobal flights

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 November 10, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$585Average$928FlexibilityNo cancel feeOn-time69%

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.