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Algarve

$475+ Cheap flights from Ontario (ONT) to Algarve

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 10/21. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — FAO
Oct 31 — Nov 71
Fri 10/31
Fri 11/7
1 adult, Economy
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Cheap flight deals from Ontario to Algarve

Keep the following information in mind while searching for Ontario to Algarve flight deals. Data was last updated October 1, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$612
(KLM)

One-way from

$475
(Iberia)

Popular in

November

Cheapest in

August

Average price

$933
Provider with most accurate pricing for Los Angeles-Faro flight deals.
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Provider most trusted by Cheapflights users for Los Angeles-Faro flights.
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From Ontario to Algarve
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One-way flight from Ontario to Algarve
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Highest demand for flights based on searches. 18% potential increase in price ($243 potential increase over avg. RT price).
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Cheapest flight prices on average. 8% potential price decrease ($84 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find flight deals from Ontario to Algarve

Cheapest flights from Ontario to Algarve
Explore the most affordable flight options available from Ontario to Algarve. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 1, 2025.

This KLM deal was found by Cheapflights users on 9/28. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/281:15 pmONT - FAO
2 stops21h 50mKLM
Tue 11/47:45 pmFAO - ONT
2 stops28h 08mKLM
Deal found 9/28$612
This Iberia deal was found by Cheapflights users on 9/29. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/148:15 amONT - FAO
2 stops26h 35mMultiple Airlines
Wed 10/228:00 pmFAO - ONT
2 stops34h 18mMultiple Airlines
Deal found 9/29$659
This United Airlines deal was found by Cheapflights users on 9/29. 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 11/297:00 amONT - FAO
2 stops21h 40mUnited Airlines
Sun 12/71:30 pmFAO - ONT
2 stops39h 12mUnited Airlines
Deal found 9/29$779
This United Airlines deal was found by Cheapflights users on 9/29. 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 11/136:38 pmONT - FAO
2 stops58h 02mUnited Airlines
Thu 11/201:10 pmFAO - ONT
2 stops40h 39mUnited Airlines
Deal found 9/29$873
This American Airlines deal was found by Cheapflights users on 9/30. 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.
Mon 11/1010:47 amONT - FAO
2 stops23h 13mMultiple Airlines
Mon 11/247:05 pmFAO - ONT
2 stops31h 17mMultiple Airlines
Deal found 9/30$1,032
This American Airlines deal was found by Cheapflights users on 9/29. 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.
Sun 11/1610:47 amONT - FAO
2 stops22h 33mMultiple Airlines
Tue 12/26:50 pmFAO - ONT
2 stops31h 27mMultiple Airlines
Deal found 9/29$1,042
This United Airlines deal was found by Cheapflights users on 9/28. 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 10/247:02 amONT - FAO
2 stops21h 53mUnited Airlines
Sun 11/161:30 pmFAO - ONT
2 stops39h 14mUnited Airlines
Deal found 9/28$1,078
This United Airlines deal was found by Cheapflights users on 9/29. 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 10/127:02 amONT - FAO
2 stops23h 33mUnited Airlines
Sun 10/193:25 pmFAO - ONT
2 stops39h 05mUnited Airlines
Deal found 9/29$1,264
This United Airlines deal was found by Cheapflights users on 9/29. 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 10/116:51 pmONT - FAO
2 stops35h 44mUnited Airlines
Sun 10/193:25 pmFAO - ONT
2 stops39h 05mUnited Airlines
Deal found 9/29$1,271
This United Airlines deal was found by Cheapflights users on 10/1. 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 10/177:02 amONT - FAO
2 stops43h 38mUnited Airlines
Thu 10/233:25 pmFAO - ONT
2 stops37h 59mUnited Airlines
Deal found 10/1$1,283
This British Airways deal was found by Cheapflights users on 9/30. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/102:51 pmONT - FAO
2 stops18h 59mBritish Airways
Mon 10/207:40 pmFAO - ONT
2 stops35h 02mBritish Airways
Deal found 9/30$1,393

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Algarve 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 October 1, 2025.
Use the filters below to find and compare flights from Ontario to Algarve that are best for you.

Fly from

Ontario

Fly to

Algarve

Route

Depart

Return

Price

OntarioFaro

ONT - FAO

ONTFAO

Ontario

Tue 10/28

1:15 pm-6:05 pm

2 stops21h 50m

Faro

Tue 11/4

7:45 pm-3:53 pm

2 stops28h 08m

$612

OntarioFaro

ONT - FAO

ONTFAO

Ontario

Tue 2/10

6:00 am-9:35 am

2 stops43h 35m

Faro

Tue 2/17

7:45 pm-9:14 pm

2 stops33h 29m

$612

OntarioFaro

ONT - FAO

ONTFAO

Ontario

Sat 11/29

7:00 am-12:40 pm

2 stops21h 40m

Faro

Sun 12/7

1:30 pm-10:49 pm

3 stops41h 19m

$779

OntarioFaro

ONT - FAO

ONTFAO

Ontario

Fri 11/28

7:00 am-12:35 pm

2 stops21h 35m

Faro

Sun 12/7

1:30 pm-8:42 pm

2 stops39h 12m

$779

OntarioFaro

ONT - FAO

ONTFAO

Ontario

Thu 11/13

6:38 pm-12:40 pm

2 stops58h 02m

Faro

Thu 11/20

1:10 pm-9:49 pm

2 stops40h 39m

$873

OntarioFaro

ONT - FAO

ONTFAO

Ontario

Tue 2/10

6:27 am-5:30 pm

3 stops27h 03m

Faro

Tue 2/17

6:50 pm-9:31 am

3 stops46h 41m

$981

OntarioFaro

ONT - FAO

ONTFAO

Ontario

Mon 11/10

10:47 am-6:00 pm

2 stops23h 13m

Faro

Mon 11/24

7:05 pm-6:22 pm

2 stops31h 17m

$1,032

OntarioFaro

ONT - FAO

ONTFAO

Ontario

Sun 11/16

10:47 am-5:20 pm

2 stops22h 33m

Faro

Tue 12/2

6:50 pm-6:17 pm

2 stops31h 27m

$1,042

OntarioFaro

ONT - FAO

ONTFAO

Ontario

Fri 10/24

7:02 am-12:55 pm

2 stops21h 53m

Faro

Sun 11/16

1:30 pm-8:44 pm

2 stops39h 14m

$1,078

OntarioFaro

ONT - FAO

ONTFAO

Ontario

Sun 10/12

7:02 am-2:35 pm

2 stops23h 33m

Faro

Sun 10/19

3:25 pm-10:30 pm

2 stops39h 05m

$1,264

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/30

Showing 1-10 of 14 results
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Best time to book a flight from Ontario to Algarve

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

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

Currently, November is the cheapest month in which you can book a flight from Ontario to Algarve (average of $628). Flying from Ontario to Algarve in June is currently the most expensive (average of $1,329). 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.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Algarve. 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 Algarve?

    If you book a flight to Algarve from Ontario, you will be flying from Ontario, which is the city’s only airport. Ontario (ONT) is located 3.1 mi from the center of Ontario.

  • How long is the flight from Ontario to Algarve?

    Departing from Ontario to Algarve will take you 21h 40m. Ontario and Algarve are separated by a distance of 5759 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Ontario to Algarve 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 Algarve?

    Currently, November is the cheapest month in which you can book a flight from Ontario to Algarve (average of $628). Flying from Ontario to Algarve in June is currently the most expensive (average of $1,329). 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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