HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Albufeira

$578+ Cheap flights from Ontario (ONT) to Albufeira, Portugal

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 9/17. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — FAO
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Ontario to Albufeira with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Ontario to Albufeira

Keep the following information in mind while searching for Ontario to Albufeira flight deals. Data was last updated September 11, 2025.

Round-trip from

$731
(KLM)

One-way from

$578
(United Airlines)

Popular in

July

Cheapest in

August

Average price

$938
From Ontario to Albufeira
Search Deals
One-way flight from Ontario to Albufeira
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($90 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($26 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Find flight deals from Ontario to Albufeira

Cheapest flights from Ontario to Albufeira
Explore the most affordable flight options available from Ontario to Albufeira. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This KLM deal was found by Cheapflights users on 9/10. 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.
Sat 10/251:15 pmONT - FAO
2 stops23h 10mKLM
Sat 11/18:10 pmFAO - ONT
2 stops34h 12mKLM
Deal found 9/10$731
This KLM deal was found by Cheapflights users on 9/9. 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 11/126:00 amONT - FAO
2 stops28h 15mKLM
Sun 11/169:55 amFAO - ONT
2 stops38h 14mKLM
Deal found 9/9$732
This Expedia deal was found by Cheapflights users on 9/10. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/102:00 pmONT - FAO
2 stops21h 05mMultiple Airlines
Fri 10/247:50 pmFAO - ONT
2 stops36h 13mMultiple Airlines
Deal found 9/10$1,157
This United Airlines deal was found by Cheapflights users on 9/10. 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 11/17:00 amONT - FAO
2 stops22h 40mUnited Airlines
Fri 11/73:25 pmFAO - ONT
2 stops34h 09mUnited Airlines
Deal found 9/10$1,235
This United Airlines deal was found by Cheapflights users on 9/11. 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 10/117:02 amONT - FAO
2 stops21h 33mUnited Airlines
Sun 10/193:25 pmFAO - ONT
2 stops39h 05mUnited Airlines
Deal found 9/11$1,270
This KLM deal was found by Cheapflights users on 9/10. 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.
Sat 11/11:15 pmONT - FAO
2 stops21h 45mKLM
Thu 11/67:05 pmFAO - ONT
2 stops28h 48mKLM
Deal found 9/10$1,297
This United Airlines deal was found by Cheapflights users on 9/10. 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 10/257:02 amONT - FAO
2 stops22h 38mUnited Airlines
Sat 11/11:25 pmFAO - ONT
2 stops61h 11mUnited Airlines
Deal found 9/10$1,678
This United Airlines deal was found by Cheapflights users on 9/10. 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 10/105:05 amONT - FAO
3 stops22h 15mUnited Airlines
Fri 10/243:25 pmFAO - ONT
2 stops34h 41mUnited Airlines
Deal found 9/10$2,038
This American Airlines deal was found by Cheapflights users on 9/11. 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.
Sat 10/1110:57 amONT - FAO
2 stops21h 58mAmerican Airlines
Mon 10/2011:10 amFAO - ONT
2 stops18h 39mAmerican Airlines
Deal found 9/11$2,124

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Albufeira 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 September 11, 2025.
Use the filters below to find and compare flights from Ontario to Albufeira that are best for you.

Fly from

Ontario

Fly to

Albufeira

Route

Depart

Return

Price

OntarioFaro

ONT - FAO

ONTFAO

Ontario

Sat 10/25

1:15 pm-8:25 pm

2 stops23h 10m

Faro

Sat 11/1

8:10 pm-11:22 pm

2 stops34h 12m

$731

OntarioFaro

ONT - FAO

ONTFAO

Ontario

Wed 11/12

6:00 am-6:15 pm

2 stops28h 15m

Faro

Sun 11/16

9:55 am-4:09 pm

2 stops38h 14m

$732

OntarioFaro

ONT - FAO

ONTFAO

Ontario

Sat 11/1

7:00 am-12:40 pm

2 stops22h 40m

Faro

Fri 11/7

3:25 pm-5:34 pm

2 stops34h 09m

$1,235

OntarioFaro

ONT - FAO

ONTFAO

Ontario

Sat 10/11

7:02 am-12:35 pm

2 stops21h 33m

Faro

Sun 10/19

3:25 pm-10:30 pm

2 stops39h 05m

$1,270

OntarioFaro

ONT - FAO

ONTFAO

Ontario

Sat 11/1

1:15 pm-6:00 pm

2 stops21h 45m

Faro

Thu 11/6

7:05 pm-3:53 pm

2 stops28h 48m

$1,297

OntarioFaro

ONT - FAO

ONTFAO

Ontario

Sat 10/25

7:02 am-1:40 pm

2 stops22h 38m

Faro

Sat 11/1

1:25 pm-7:36 pm

2 stops61h 11m

$1,678

OntarioFaro

ONT - FAO

ONTFAO

Ontario

Fri 10/10

5:05 am-11:20 am

3 stops22h 15m

Faro

Fri 10/24

3:25 pm-6:06 pm

2 stops34h 41m

$2,038

OntarioFaro

ONT - FAO

ONTFAO

Ontario

Sat 10/11

10:57 am-4:55 pm

2 stops21h 58m

Faro

Mon 10/20

11:10 am-9:49 pm

2 stops18h 39m

$2,124

OntarioFaro

ONT - FAO

ONTFAO

Ontario

Wed 9/17

6:00 am-2:35 pm

2 stops24h 35m

$578

OntarioFaro

ONT - FAO

ONTFAO

Ontario

Fri 9/26

2:54 pm-7:05 pm

2 stops20h 11m

$607

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 11 results
1
2

Best time to book a flight from Ontario to Albufeira

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

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

Currently, November is the cheapest month in which you can book a flight from Ontario to Albufeira (average of $628). Flying from Ontario to Albufeira 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 Albufeira. 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 Albufeira?

    Located just 3.1 mi from the city center, Ontario is the airport most travelers will use when flying to Albufeira from Ontario. Booking flights from Ontario (ONT) to Albufeira should be relatively easy as there are 0 daily outbound flights to Albufeira from 0 different airlines.

  • How long is the flight from Ontario to Albufeira?

    KLM and United Airlines can get you from Ontario to Albufeira in just under 22h 40m. Your travel time can differ by up to 30m. There are 5759 mi between Ontario and Albufeira. Both multi-stop and nonstop flights can be found to your destination and back.

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

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

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

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

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

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

    Currently, November is the cheapest month in which you can book a flight from Ontario to Albufeira (average of $628). Flying from Ontario to Albufeira 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ontario to Albufeira

See prices for flight routes from nearby airports that may be better suited for you.
San Francisco to Lisbon flights
Los Angeles to Lisbon flights
San Diego to Lisbon flights
Santa Ana to Lisbon flights
San Francisco to Porto flights
Ontario to Lisbon flights
Los Angeles to Porto flights
San Jose to Lisbon flights
Sacramento to Lisbon flights
San Francisco to Faro flights
Oakland to Lisbon flights
Reno to Lisbon flights
Las Vegas to Lisbon flights
Ontario to Porto flights
Los Angeles to Funchal flights
Long Beach to Lisbon flights
Santa Rosa to Lisbon flights
San Francisco to Funchal flights
Burbank to Lisbon flights
San Francisco to Ponta Delgada flights
San Jose to Faro flights
Los Angeles to Ponta Delgada flights
Los Angeles to Faro flights
San Francisco to Lajes flights
Sacramento to Porto flights
Santa Ana to Porto flights
San Jose to Porto flights
Ontario to Faro flights
Fresno to Lisbon flights
San Jose to Funchal flights
San Diego to Porto flights
San Diego to Faro flights
Monterey to Lisbon flights
Las Vegas to Funchal flights
Palm Springs to Lisbon flights
San Francisco to Velas flights
Los Angeles to Lajes flights
Burbank to Porto flights
Oakland to Porto flights
San Francisco to Horta flights
Las Vegas to Faro flights
Santa Ana to Faro flights
Long Beach to Faro flights
Santa Barbara to Lisbon flights
Oakland to Faro flights
San Francisco to Porto Santo flights
Yuma to Lisbon flights
Oakland to Funchal flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.