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Cheap flights from Ontario to Quito from $272

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Quito departing on 1/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Ontario to Quito

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
6:00 am - 11:25 pmONT  Ontario-UIO Quito Mariscal Sucr
15h 25m1 stop Houston George Bush Intcntl
United Airlines Logo
7:00 am - 9:59 pmUIO  Quito Mariscal Sucr-ONT Ontario
16h 59m1 stop Houston George Bush Intcntl
$633United Airlines
Tue, Oct 13 - Mon, Oct 19
United Airlines Logo
6:00 am - 11:25 pmONT  Ontario-UIO Quito Mariscal Sucr
15h 25m1 stop Houston George Bush Intcntl
United Airlines Logo
7:00 am - 9:59 pmUIO  Quito Mariscal Sucr-ONT Ontario
16h 59m1 stop Houston George Bush Intcntl
$633United Airlines
Mon, Sep 28 - Mon, Oct 5
United Airlines Logo
6:00 am - 11:25 pmONT  Ontario-UIO Quito Mariscal Sucr
15h 25m1 stop Houston George Bush Intcntl
United Airlines Logo
12:35 am - 10:51 pmUIO  Quito Mariscal Sucr-ONT Ontario
24h 16m2 stops Houston George Bush Intcntl San Francisco
$638United Airlines
Sat, Oct 3 - Fri, Oct 9
United Airlines Logo
6:00 am - 11:25 pmONT  Ontario-UIO Quito Mariscal Sucr
15h 25m1 stop Houston George Bush Intcntl
United Airlines Logo
7:00 am - 10:51 pmUIO  Quito Mariscal Sucr-ONT Ontario
17h 51m2 stops Houston George Bush Intcntl San Francisco
$638United Airlines
Tue, Oct 13 - Mon, Oct 19
United Airlines Logo
5:55 am - 12:30 amONT  Ontario-UIO Quito Mariscal Sucr
15h 35m1 stop Houston George Bush Intcntl
United Airlines Logo
1:35 am - 5:47 pmUIO  Quito Mariscal Sucr-ONT Ontario
19h 12m2 stops Houston George Bush Intcntl San Francisco
$638United Airlines
Thu, Dec 31 - Sun, Jan 24
United Airlines Logo
1:52 pm - 11:25 pmONT  Ontario-UIO Quito Mariscal Sucr
31h 33m2 stops San Francisco Houston George Bush Intcntl
United Airlines Logo
7:00 am - 8:58 pmUIO  Quito Mariscal Sucr-ONT Ontario
15h 58m2 stops Houston George Bush Intcntl Denver Intl
$638United Airlines
Tue, Oct 13 - Mon, Oct 19
United Airlines Logo
6:53 pm - 12:30 amONT  Ontario-UIO Quito Mariscal Sucr
26h 37m2 stops San Francisco Houston George Bush Intcntl
United Airlines Logo
1:35 am - 11:06 pmUIO  Quito Mariscal Sucr-ONT Ontario
24h 31m2 stops Houston George Bush Intcntl San Francisco
$638United Airlines
Fri, Jan 15 - Thu, Jan 21
United Airlines Logo
1:56 pm - 11:25 pmONT  Ontario-UIO Quito Mariscal Sucr
31h 29m2 stops San Francisco Houston George Bush Intcntl
United Airlines Logo
12:35 am - 8:01 pmUIO  Quito Mariscal Sucr-ONT Ontario
21h 26m2 stops Houston George Bush Intcntl San Francisco
$638United Airlines
Tue, Sep 15 - Mon, Sep 21
Avianca Logo
11:35 pm - 5:40 pmONT  Ontario-UIO Quito Mariscal Sucr
16h 05m2 stops San Salvador El Salvador Intl Bogotá El Dorado
Avianca Logo
4:45 am - 9:45 pmUIO  Quito Mariscal Sucr-ONT Ontario
19h 00m2 stops Bogotá El Dorado San Salvador El Salvador Intl
$666Avianca
Sat, Sep 26 - Sat, Oct 10
Avianca Logo
10:30 pm - 4:20 pmONT  Ontario-UIO Quito Mariscal Sucr
14h 50m2 stops San Salvador El Salvador Intl Medellín Jose Maria Cordova Intl
Avianca Logo
4:00 am - 8:55 pmUIO  Quito Mariscal Sucr-ONT Ontario
19h 55m1 stop San Salvador El Salvador Intl
$671Avianca
Thu, Nov 5 - Fri, Nov 13

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Avianca flights from Ontario to Quito

Our best Avianca deals on Ontario to Quito flight tickets
Avianca
Sep 26
ONT11:35 pmOntario
16h 05m
2 stops
UIO5:40 pmQuito Mariscal Sucr
Oct 10
UIO4:45 amQuito Mariscal Sucr
19h 00m
2 stops
ONT9:45 pmOntario
$666
Avianca
Nov 5
ONT10:30 pmOntario
14h 50m
2 stops
UIO4:20 pmQuito Mariscal Sucr
Nov 13
UIO4:00 amQuito Mariscal Sucr
19h 55m
1 stop
ONT8:55 pmOntario
$671
Avianca
Sep 10
ONT11:35 pmOntario
14h 35m
2 stops
UIO4:10 pmQuito Mariscal Sucr
Sep 15
UIO4:05 amQuito Mariscal Sucr
19h 40m
1 stop
ONT9:45 pmOntario
$676

LATAM Airlines flights from Ontario to Quito

Our best LATAM Airlines deals on Ontario to Quito flight tickets
LATAM Airlines
Nov 11
ONT12:22 pmOntario
27h 30m
2 stops
UIO6:52 pmQuito Mariscal Sucr
Jan 13
UIO8:55 amQuito Mariscal Sucr
16h 19m
2 stops
ONT10:14 pmOntario
$718
LATAM Airlines
Oct 8
ONT11:15 pmOntario
17h 44m
1 stop
UIO6:59 pmQuito Mariscal Sucr
Oct 14
UIO12:59 amQuito Mariscal Sucr
12h 07m
1 stop
ONT11:06 amOntario
$790
LATAM Airlines
Oct 2
ONT10:00 pmOntario
18h 59m
1 stop
UIO6:59 pmQuito Mariscal Sucr
Oct 12
UIO12:59 amQuito Mariscal Sucr
12h 07m
1 stop
ONT11:06 amOntario
$797

momondo 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, momondo users made 832,500 searches. Data last updated August 18, 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
Quickest round-trip

OntarioQuito

ONT Ontario - UIO Quito Mariscal Sucr

ONTUIO

Ontario

Tue 10/13

6:00 am-11:25 pm

1 stop15h 25m

Quito Mariscal Sucr

Mon 10/19

7:00 am-9:59 pm

1 stop16h 59m

$633

OntarioQuito

ONT Ontario - UIO Quito Mariscal Sucr

ONTUIO

Ontario

Mon 9/28

6:00 am-11:25 pm

1 stop15h 25m

Quito Mariscal Sucr

Mon 10/5

7:00 am-9:59 pm

1 stop16h 59m

$633

OntarioQuito

ONT Ontario - UIO Quito Mariscal Sucr

ONTUIO

Ontario

Sat 10/3

6:00 am-11:25 pm

1 stop15h 25m

Quito Mariscal Sucr

Fri 10/9

12:35 am-10:51 pm

2 stops24h 16m

$638

OntarioQuito

ONT Ontario - UIO Quito Mariscal Sucr

ONTUIO

Ontario

Tue 10/13

6:00 am-11:25 pm

1 stop15h 25m

Quito Mariscal Sucr

Mon 10/19

7:00 am-10:51 pm

2 stops17h 51m

$638

OntarioQuito

ONT Ontario - UIO Quito Mariscal Sucr

ONTUIO

Ontario

Thu 12/31

5:55 am-12:30 am

1 stop15h 35m

Quito Mariscal Sucr

Sun 1/24

1:35 am-5:47 pm

2 stops19h 12m

$638

OntarioQuito

ONT Ontario - UIO Quito Mariscal Sucr

ONTUIO

Ontario

Tue 10/13

1:52 pm-11:25 pm

2 stops31h 33m

Quito Mariscal Sucr

Mon 10/19

7:00 am-8:58 pm

2 stops15h 58m

$638

OntarioQuito

ONT Ontario - UIO Quito Mariscal Sucr

ONTUIO

Ontario

Fri 1/15

6:53 pm-12:30 am

2 stops26h 37m

Quito Mariscal Sucr

Thu 1/21

1:35 am-11:06 pm

2 stops24h 31m

$638

OntarioQuito

ONT Ontario - UIO Quito Mariscal Sucr

ONTUIO

Ontario

Tue 9/15

1:56 pm-11:25 pm

2 stops31h 29m

Quito Mariscal Sucr

Mon 9/21

12:35 am-8:01 pm

2 stops21h 26m

$638

OntarioQuito

ONT Ontario - UIO Quito Mariscal Sucr

ONTUIO

Ontario

Sat 9/26

11:35 pm-5:40 pm

2 stops16h 05m

Quito Mariscal Sucr

Sat 10/10

4:45 am-9:45 pm

2 stops19h 00m

$666

OntarioQuito

ONT Ontario - UIO Quito Mariscal Sucr

ONTUIO

Ontario

Thu 11/5

10:30 pm-4:20 pm

2 stops14h 50m

Quito Mariscal Sucr

Fri 11/13

4:00 am-8:55 pm

1 stop19h 55m

$671

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Ontario to Quito

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Can stopping save me money on Ontario to Quito flights?

You could potentially save up to 20% on your flight if you consider stops on a Ontario to Quito flight.

When to book flights from Ontario to Quito

Are you open to changing your travel dates? Check out the ideal times to fly from Ontario to Quito according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Ontario to Quito (ONT to UIO) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ontario to Quito

Best Price Found

$272

Fastest flight time

11h 25m

Direct flights

None
The best one-way flight to Quito from Ontario in the past 72 hours is $272. The best round-trip flight deal from Ontario to Quito found on momondo in the last 72 hours is $633.
The fastest flight from Ontario to Quito takes 11h 25m
There are no direct flights from Ontario to Quito. There are no popular flight routes from Ontario to Quito.
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Frequently asked questions about flying from Ontario to Quito

  • How far is Ontario to Quito Mariscal Sucr by plane?

    Ontario and Quito Mariscal Sucr are 3464.6 mi apart from one another. Typically, this will take 11h 25m by plane in normal conditions.

  • When did momondo last update prices for flights from Ontario Airport to Quito Mariscal Sucr Airport?

    Prices for flights from Ontario Airport to Quito Mariscal Sucr Airport refresh daily.

  • How old do you have to be to fly from Ontario Airport to Quito Mariscal Sucr Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Ontario Airport to Quito Mariscal Sucr Airport.

  • What documentation or ID do you need to fly to Quito Mariscal Sucr Airport?

    The travel and health documents you'll need for your trip to Quito Mariscal Sucr Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Quito Mariscal Sucr Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Traveling to a place near Quito?

Book flights to Quito if you plan to visit one of these locations
Mindo
Otavalo
Ibarra

Why use momondo?

Why should I use momondo to find a flight deal from Ontario to Quito?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Ontario to Quito for you.

Can I find flights from Ontario to Quito with flexible booking policies on momondo?

Yes. All flights to Quito from Ontario on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Ontario to Quito?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Quito from Ontario.

I’m not ready to book a flight from Ontario to Quito right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Quito, momondo offers a useful price alert feature which will track prices for flights to Quito from Ontario and alert you when they change.

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