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Portimão

$510+ Cheap flights from Ontario (ONT) to Portimão, 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 10/18. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — FAO
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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Cheap flight deals from Ontario to Portimão

Keep the following information in mind while searching for Ontario to Portimão flight deals. Data was last updated September 16, 2025.

Round-trip from

$720
(KLM)

One-way from

$510
(United Airlines)

Popular in

July

Cheapest in

August

Average price

$902
From Ontario to Portimão
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One-way flight from Ontario to Portimão
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Highest demand for flights based on searches. 7% potential increase in price ($83 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($26 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Ontario to Portimão

Cheapest flights from Ontario to Portimão
Explore the most affordable flight options available from Ontario to Portimão. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2025.

This KLM deal was found by Cheapflights users on 9/15. 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 10/3011:48 amONT - FAO
2 stops37h 47mKLM
Thu 11/67:05 pmFAO - ONT
2 stops32h 14mKLM
Deal found 9/15$720
This United Airlines deal was found by Cheapflights users on 9/16. 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 10/169:36 amONT - FAO
2 stops19h 04mUnited Airlines
Sun 10/193:25 pmFAO - ONT
2 stops39h 05mUnited Airlines
Deal found 9/16$999
This American Airlines deal was found by Cheapflights users on 9/14. 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 11/912:53 pmONT - FAO
2 stops20h 22mMultiple Airlines
Sat 11/222:50 pmFAO - ONT
2 stops52h 46mMultiple Airlines
Deal found 9/14$1,078
This United Airlines deal was found by Cheapflights users on 9/15. 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 10/81:53 pmONT - FAO
2 stops40h 42mUnited Airlines
Mon 10/133:25 pmFAO - ONT
2 stops39h 27mUnited Airlines
Deal found 9/15$1,087
This United Airlines deal was found by Cheapflights users on 9/15. 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 10/305:05 amONT - FAO
3 stops26h 30mUnited Airlines
Thu 11/61:10 pmFAO - ONT
2 stops41h 21mUnited Airlines
Deal found 9/15$1,224
This Iberia deal was found by Cheapflights users on 9/14. 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 10/1212:48 pmONT - FAO
2 stops21h 52mMultiple Airlines
Thu 10/237:40 pmFAO - ONT
2 stops35h 02mMultiple Airlines
Deal found 9/14$7,793

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Portimão 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 16, 2025.
Use the filters below to find and compare flights from Ontario to Portimão that are best for you.

Fly from

Ontario

Fly to

Portimão

Route

Depart

Return

Price

OntarioFaro

ONT - FAO

ONTFAO

Ontario

Thu 10/30

11:48 am-8:35 am

2 stops37h 47m

Faro

Thu 11/6

7:05 pm-7:19 pm

2 stops32h 14m

$720

OntarioFaro

ONT - FAO

ONTFAO

Ontario

Thu 10/16

9:36 am-12:40 pm

2 stops19h 04m

Faro

Sun 10/19

3:25 pm-10:30 pm

2 stops39h 05m

$999

OntarioFaro

ONT - FAO

ONTFAO

Ontario

Sun 11/9

12:53 pm-5:15 pm

2 stops20h 22m

Faro

Sat 11/22

2:50 pm-11:36 am

2 stops52h 46m

$1,078

OntarioFaro

ONT - FAO

ONTFAO

Ontario

Wed 10/8

1:53 pm-2:35 pm

2 stops40h 42m

Faro

Mon 10/13

3:25 pm-10:52 pm

2 stops39h 27m

$1,087

OntarioFaro

ONT - FAO

ONTFAO

Ontario

Thu 10/30

5:05 am-2:35 pm

3 stops26h 30m

Faro

Thu 11/6

1:10 pm-10:31 pm

2 stops41h 21m

$1,224

OntarioFaro

ONT - FAO

ONTFAO

Ontario

Sun 10/12

12:48 pm-6:40 pm

2 stops21h 52m

Faro

Thu 10/23

7:40 pm-10:42 pm

2 stops35h 02m

$7,793

OntarioFaro

ONT - FAO

ONTFAO

Ontario

Sat 10/18

5:05 am-2:35 pm

2 stops25h 30m

$510

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Best time to book a flight from Ontario to Portimão

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

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

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

    Most people fly from Ontario (ONT) if they book a flight from Ontario to Portimão. On average, Ontario has 0 outbound flights to Portimão per day from 0 airlines. Ontario is conveniently located just 3.1 mi from Ontario’s city center.

  • How long is the flight from Ontario to Portimão?

    Airlines like KLM and United Airlines fly from Ontario to Portimão in about 19h 04m. The time it takes to get you to your destination can typically vary by up to 18h 43m. Airlines will cover 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 Portimão that include hotel bookings?

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

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

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

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

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

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