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Algarve

$865+ Cheap flights from Ontario (ONT) to Algarve

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/16. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — FAO
Jun 23 — Jun 301
Mon 6/23
Mon 6/30
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 June 18, 2025.

Round-trip from

$865
(United Airlines)

Popular in

June

Cheapest in

November

Average price

$1,313
From Ontario to Algarve
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($183 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($25 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2025
Search Deals

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 June 18, 2025.

This United Airlines deal was found by Cheapflights users on 6/17. 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 9/167:00 amONT - FAO
3 stops20h 20mUnited Airlines
Mon 9/2211:40 amFAO - ONT
2 stops18h 50mUnited Airlines
Deal found 6/17$865
This Iberia deal was found by Cheapflights users on 6/17. 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 9/162:54 pmONT - FAO
2 stops20h 16mMultiple Airlines
Mon 9/2212:30 pmFAO - ONT
2 stops38h 30mMultiple Airlines
Deal found 6/17$1,696
This British Airways deal was found by Cheapflights users on 6/17. 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.
Tue 9/164:45 pmONT - FAO
2 stops18h 05mBritish Airways
Mon 9/2211:10 amFAO - ONT
2 stops20h 43mBritish Airways
Deal found 6/17$2,191
This Iberia deal was found by Cheapflights users on 6/17. 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.
Wed 7/162:37 pmONT - FAO
2 stops38h 33mIberia
Sun 7/2712:30 pmFAO - ONT
2 stops19h 24mIberia
Deal found 6/17$7,284

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 June 18, 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 9/16

7:00 am-11:20 am

3 stops20h 20m

Faro

Mon 9/22

11:40 am-10:30 pm

2 stops18h 50m

$865

OntarioFaro

ONT - FAO

ONTFAO

Ontario

Tue 9/16

2:54 pm-7:10 pm

2 stops20h 16m

Faro

Mon 9/22

12:30 pm-7:00 pm

2 stops38h 30m

$1,696

OntarioFaro

ONT - FAO

ONTFAO

Ontario

Tue 9/16

4:45 pm-6:50 pm

2 stops18h 05m

Faro

Mon 9/22

11:10 am-11:53 pm

2 stops20h 43m

$2,191

OntarioFaro

ONT - FAO

ONTFAO

Ontario

Wed 7/16

2:37 pm-1:10 pm

2 stops38h 33m

Faro

Sun 7/27

12:30 pm-11:54 pm

2 stops19h 24m

$7,284

OntarioFaro

ONT - FAO

ONTFAO

Ontario

Sun 8/24

10:50 am-11:50 am

2 stops17h 00m

$2,588

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/17

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.

Rainfall in Algarve by month

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

In terms of precipitation, rainfall in Algarve ranges from 0.1 - 4.6 inches per month. December is typically the wettest month, when rainfall can reach 4.6 in. July is typically the driest time to visit Algarve when rainfall is around 0.1 in.

Temperature in Algarve by month

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

If weather is an important factor for your trip to Algarve, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 75.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 53.6 F).

Reviews of airlines servicing Algarve

Get insights into the airlines that provide service to Algarve. 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 Algarve. Reviews last updated June 18, 2025.
United Airlines
7.4
Good
8,809 reviews

Overall

7.4

Comfort

7.3

Entertainment

7.0

Boarding

7.7

Crew

8.1

Food

6.6

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
8,809 reviews
United Airlines
7.4
Good
8,809 reviews

Overall

7.4

Comfort

7.3

Entertainment

7.0

Boarding

7.7

Crew

8.1

Food

6.6

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??
Iberia
7.0
Good
2,778 reviews
United Airlines
7.4
Good
8,809 reviews

Overall

7.4

Comfort

7.3

Entertainment

7.0

Boarding

7.7

Crew

8.1

Food

6.6

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??
British Airways
6.6
Okay
7,031 reviews
United Airlines
7.4
Good
8,809 reviews

Overall

7.4

Comfort

7.3

Entertainment

7.0

Boarding

7.7

Crew

8.1

Food

6.6

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 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.

  • 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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