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Algarve

$472+ 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 7/20. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — FAO
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
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 July 3, 2025.

Round-trip from

$770
(Iberia)

One-way from

$472
(United Airlines)

Popular in

June

Cheapest in

August

Average price

$1,257
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. 14% potential increase in price ($175 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($21 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 3, 2025.

This Iberia deal was found by Cheapflights users on 7/2. 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.
Mon 9/2910:53 amONT - FAO
2 stops19h 52mMultiple Airlines
Tue 10/711:30 amFAO - ONT
2 stops20h 32mMultiple Airlines
Deal found 7/2$770
This KLM deal was found by Cheapflights users on 7/1. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1212:00 pmONT - FAO
2 stops22h 25mKLM
Sun 11/167:55 pmFAO - ONT
2 stops28h 19mKLM
Deal found 7/1$781
This United Airlines deal was found by Cheapflights users on 6/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/127:00 amONT - FAO
2 stops20h 40mUnited Airlines
Sun 11/161:15 pmFAO - ONT
3 stops41h 30mUnited Airlines
Deal found 6/30$870
This British Airways deal was found by Cheapflights users on 7/1. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/162:54 pmONT - FAO
2 stops20h 16mBritish Airways
Wed 9/248:00 pmFAO - ONT
2 stops30h 12mBritish Airways
Deal found 7/1$2,109
This Iberia deal was found by Cheapflights users on 7/1. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/2410:50 amONT - FAO
2 stops17h 00mIberia
Wed 9/312:30 pmFAO - ONT
2 stops38h 24mIberia
Deal found 7/1$5,431

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 July 3, 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

Mon 9/29

10:53 am-2:45 pm

2 stops19h 52m

Faro

Tue 10/7

11:30 am-12:02 am

2 stops20h 32m

$770

OntarioFaro

ONT - FAO

ONTFAO

Ontario

Wed 11/12

12:00 pm-6:25 pm

2 stops22h 25m

Faro

Sun 11/16

7:55 pm-4:14 pm

2 stops28h 19m

$781

OntarioFaro

ONT - FAO

ONTFAO

Ontario

Wed 11/12

7:00 am-11:40 am

2 stops20h 40m

Faro

Sun 11/16

1:15 pm-10:45 pm

3 stops41h 30m

$870

OntarioFaro

ONT - FAO

ONTFAO

Ontario

Tue 9/16

2:54 pm-7:10 pm

2 stops20h 16m

Faro

Wed 9/24

8:00 pm-6:12 pm

2 stops30h 12m

$2,109

OntarioFaro

ONT - FAO

ONTFAO

Ontario

Sun 8/24

10:50 am-11:50 am

2 stops17h 00m

Faro

Wed 9/3

12:30 pm-6:54 pm

2 stops38h 24m

$5,431

OntarioFaro

ONT - FAO

ONTFAO

Ontario

Sun 7/20

6:00 am-9:55 am

2 stops19h 55m

$472

OntarioFaro

ONT - FAO

ONTFAO

Ontario

Mon 8/18

10:00 pm-5:40 pm

2 stops35h 40m

$491

OntarioFaro

ONT - FAO

ONTFAO

Ontario

Tue 7/8

4:45 pm-7:10 pm

2 stops18h 25m

$507

OntarioFaro

ONT - FAO

ONTFAO

Ontario

Wed 8/13

4:50 pm-7:30 pm

2 stops18h 40m

$521

OntarioFaro

ONT - FAO

ONTFAO

Ontario

Sat 8/16

10:50 am-11:50 am

2 stops17h 00m

$600

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

Showing 1-10 of 13 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.

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 July 3, 2025.
Peruse reviews from past customers who have flown with Delta, KLM, and United Airlines from Ontario to Algarve to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,970 reviews

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

8.0

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,970 reviews
Delta
8.0
Very good
7,970 reviews

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

8.0

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,366 reviews
Delta
8.0
Very good
7,970 reviews

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

8.0

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,845 reviews
Delta
8.0
Very good
7,970 reviews

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

8.0

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,970 reviews

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

8.0

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air Canada
7.1
Good
9,678 reviews
Delta
8.0
Very good
7,970 reviews

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

8.0

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.

  • What are the cheapest airlines to fly from Ontario to Algarve one-way?

    For one-way options, check prices for United Airlines. According to our data, you can fly for as low as $472. Users have also found prices from $491 and $507 on Delta and British Airways, respectively.

  • 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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