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$771+ Cheap flights from Algarve to Ontario (ONT)

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 9/24. Fares are subject to change and may not be available on all flights or dates of travel.
FAO — ONT
Aug 6 — Aug 131
Wed 8/6
Wed 8/13
1 adult, Economy
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Cheap flight deals from Algarve to Ontario

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

Round-trip from

$1,230
(KLM)

One-way from

$771
(Iberia)
From Algarve to Ontario
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One-way flight from Algarve to Ontario
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Find flight deals from Algarve to Ontario

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

This KLM deal was found by Cheapflights users on 7/29. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/47:05 pmFAO - ONT
2 stops29h 09mKLM
Mon 12/86:00 amONT - FAO
2 stops28h 55mKLM
Deal found 7/29$1,230
This Iberia deal was found by Cheapflights users on 7/30. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/107:40 pmFAO - ONT
2 stops31h 14mMultiple Airlines
Fri 10/3110:57 amONT - FAO
2 stops18h 53mMultiple Airlines
Deal found 7/30$2,533

Cheapflights Fare Finder

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

Fly from

Algarve

Fly to

Ontario

Route

Depart

Return

Price

FaroOntario

FAO - ONT

FAOONT

Faro

Thu 12/4

7:05 pm-4:14 pm

2 stops29h 09m

Ontario

Mon 12/8

6:00 am-6:55 pm

2 stops28h 55m

$1,230

FaroOntario

FAO - ONT

FAOONT

Faro

Wed 9/10

7:40 pm-6:54 pm

2 stops31h 14m

Ontario

Fri 10/31

10:57 am-12:50 pm

2 stops18h 53m

$2,533

FaroOntario

FAO - ONT

FAOONT

Faro

Wed 9/24

7:40 pm-10:16 pm

2 stops34h 36m

$771

FaroOntario

FAO - ONT

FAOONT

Faro

Mon 8/18

12:30 pm-10:48 pm

2 stops18h 18m

$1,033

FaroOntario

FAO - ONT

FAOONT

Faro

Wed 8/20

6:40 pm-7:11 pm

2 stops32h 31m

$1,039

FaroOntario

FAO - ONT

FAOONT

Faro

Tue 8/5

11:40 am-10:52 pm

2 stops19h 12m

$1,066

FaroOntario

FAO - ONT

FAOONT

Faro

Sun 8/17

11:15 am-9:39 pm

2 stops18h 24m

$1,068

FaroOntario

FAO - ONT

FAOONT

Faro

Wed 8/6

8:00 pm-9:39 pm

2 stops33h 39m

$1,081

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

Best time to book a flight from Algarve to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Algarve 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 Algarve to Ontario
No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. 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 Ontario. Reviews last updated August 1, 2025.
Read through reviews of airlines operating flights from Algarve to Ontario, such as Delta, KLM, and United Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,981 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,981 reviews
Delta
8.0
Very good
7,981 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
KLM
7.8
Good
1,383 reviews
Delta
8.0
Very good
7,981 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,900 reviews
Delta
8.0
Very good
7,981 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,981 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Iberia
7.0
Good
2,859 reviews
Delta
8.0
Very good
7,981 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

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

    Ontario (ONT) is the airport you will fly into if you book a flight from Algarve to Ontario. It is only a 3.1 mi journey from Ontario (ONT) to Ontario’s city center.

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

    For one-way options, check prices for Iberia. According to our data, you can fly for as low as $1,033. Users have also found prices from $1,039 and $1,066 on Delta and United Airlines, respectively.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Algarve to Ontario (average of $246). Flying from Algarve to Ontario in March is currently the most expensive (average of $328). 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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