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Portimão

$502+ 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 4/18. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — FAO
Mar 5 — Mar 121
Thu 3/5
Thu 3/12
1 adult, Economy
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Cheap 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 February 3, 2026.

This KLM deal was found by Cheapflights users on 2/1. 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.
Tue 3/1711:59 am
ONT
-
FAO
2 stops23h 06m
KLM
Tue 3/247:45 pm
FAO
-
ONT
2 stops56h 15m
KLM
Deal found 2/1$609
This oojo deal was found by Cheapflights users on 1/31. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/12:59 pm
ONT
-
FAO
2 stops18h 21m
British Airways
Sun 11/811:35 am
FAO
-
ONT
2 stops42h 24m
British Airways
Deal found 1/31$634
This KLM deal was found by Cheapflights users on 2/1. 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.
Mon 3/21:15 pm
ONT
-
FAO
2 stops21h 40m
KLM
Tue 3/177:45 pm
FAO
-
ONT
2 stops27h 43m
KLM
Deal found 2/1$693
This British Airways deal was found by Cheapflights users on 2/1. 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.
Wed 3/42:39 pm
ONT
-
FAO
2 stops19h 11m
British Airways
Wed 4/158:00 pm
FAO
-
ONT
2 stops28h 22m
British Airways
Deal found 2/1$805
This KLM deal was found by Cheapflights users on 2/1. 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 3/1812:57 pm
ONT
-
FAO
2 stops36h 28m
KLM
Wed 3/2510:20 am
FAO
-
ONT
2 stops41h 40m
KLM
Deal found 2/1$817
This United Airlines deal was found by Cheapflights users on 2/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/21:53 pm
ONT
-
FAO
2 stops62h 07m
United Airlines
Thu 2/121:10 pm
FAO
-
ONT
2 stops38h 57m
United Airlines
Deal found 2/1$876
This British Airways deal was found by Cheapflights users on 2/2. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/56:00 am
ONT
-
FAO
2 stops46h 50m
British Airways
Mon 3/97:05 pm
FAO
-
ONT
2 stops34h 02m
British Airways
Deal found 2/2$925
This United Airlines deal was found by Cheapflights users on 2/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/111:05 am
ONT
-
FAO
2 stops19h 25m
United Airlines
Wed 4/153:25 pm
FAO
-
ONT
2 stops39h 01m
United Airlines
Deal found 2/1$938
This United Airlines deal was found by Cheapflights users on 2/3. 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 3/1011:59 pm
ONT
-
FAO
2 stops28h 41m
United Airlines
Sat 3/141:25 pm
FAO
-
ONT
2 stops53h 53m
United Airlines
Deal found 2/3$1,027
This American Airlines deal was found by Cheapflights users on 2/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/1810:56 am
ONT
-
FAO
2 stops23h 54m
Multiple Airlines
Wed 3/2511:25 am
FAO
-
ONT
3 stops38h 17m
Multiple Airlines
Deal found 2/1$1,107
This British Airways deal was found by Cheapflights users on 2/2. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/56:00 am
ONT
-
FAO
2 stops27h 50m
British Airways
Wed 6/248:00 pm
FAO
-
ONT
2 stops34h 36m
British Airways
Deal found 2/2$1,250

Find flight deals from Ontario to Portimão

Keep the following information in mind while searching for Ontario to Portimão flight deals. Data was last updated February 3, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$609
(KLM)

One-way from

$502
(United Airlines)

Popular in

June

Cheapest in

March

Average price

$870
Provider with most accurate pricing for Los Angeles-Faro flight deals.
Search Deals
Provider most trusted by Cheapflights users for Los Angeles-Faro flights.
Search Deals
From Ontario to Portimão
Search Deals
One-way flight from Ontario to Portimão
Search Deals
Highest demand for flights based on searches. 19% potential increase in price ($212 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($33 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

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 February 3, 2026.
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

Tue 3/17

11:59 am-6:05 pm

2 stops23h 06m

Faro

Tue 3/24

7:45 pm-9:00 pm

2 stops56h 15m

$609

OntarioFaro

ONT - FAO

ONTFAO

Ontario

Mon 3/2

1:15 pm-6:55 pm

2 stops21h 40m

Faro

Tue 3/17

7:45 pm-4:28 pm

2 stops27h 43m

$693

OntarioFaro

ONT - FAO

ONTFAO

Ontario

Wed 3/4

2:39 pm-5:50 pm

2 stops19h 11m

Faro

Wed 4/15

8:00 pm-4:22 pm

2 stops28h 22m

$805

OntarioFaro

ONT - FAO

ONTFAO

Ontario

Wed 3/18

12:57 pm-8:25 am

2 stops36h 28m

Faro

Wed 3/25

10:20 am-9:00 pm

2 stops41h 40m

$817

OntarioFaro

ONT - FAO

ONTFAO

Ontario

Thu 3/5

6:00 am-12:50 pm

2 stops46h 50m

Faro

Mon 3/9

7:05 pm-10:07 pm

2 stops34h 02m

$925

OntarioFaro

ONT - FAO

ONTFAO

Ontario

Wed 4/1

11:05 am-2:30 pm

2 stops19h 25m

Faro

Wed 4/15

3:25 pm-10:26 pm

2 stops39h 01m

$938

OntarioFaro

ONT - FAO

ONTFAO

Ontario

Wed 3/18

10:56 am-5:50 pm

2 stops23h 54m

Faro

Wed 3/25

11:25 am-6:42 pm

3 stops38h 17m

$1,107

OntarioFaro

ONT - FAO

ONTFAO

Ontario

Fri 6/5

6:00 am-5:50 pm

2 stops27h 50m

Faro

Wed 6/24

8:00 pm-10:36 pm

2 stops34h 36m

$1,250

OntarioFaro

ONT - FAO

ONTFAO

Ontario

Sat 6/6

6:00 am-6:20 pm

2 stops28h 20m

Faro

Wed 6/24

8:00 pm-9:51 pm

2 stops33h 51m

$1,250

OntarioFaro

ONT - FAO

ONTFAO

Ontario

Thu 6/4

11:59 pm-5:50 pm

2 stops33h 51m

Faro

Wed 6/24

8:00 pm-9:51 pm

2 stops33h 51m

$1,258

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/2

Showing 1-10 of 14 results
1
2

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, August is the cheapest month in which you can book a flight from Ontario to Portimão (average of $480). Flying from Ontario to Portimão in July is currently the most expensive (average of $1,049). 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 British Airways fly from Ontario to Portimão in about 19h 11m. The time it takes to get you to your destination can typically vary by up to 3h 55m. 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, August is the cheapest month in which you can book a flight from Ontario to Portimão (average of $480). Flying from Ontario to Portimão in July is currently the most expensive (average of $1,049). 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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