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$275+ Cheap flights from Ontario (ONT) to 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 11/30. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — LIS
Nov 26 — Dec 31
Tue 11/26
Tue 12/3
1 adult, Economy
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Cheap flight deals from Ontario to Portugal

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Portugal (PT0). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 21, 2024.

Find flight deals from Ontario to Portugal

Cheapest flights from Ontario to Portugal
Explore the most affordable flight options available from Ontario to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 21, 2024.

This United Airlines deal was found by Cheapflights users on 11/20. 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 12/26:00 amONT - LIS
2 stops19h 20mUnited Airlines
Tue 12/1011:00 amLIS - ONT
3 stops44h 58mUnited Airlines
Deal found 11/20$1,008
This KAYAK deal was found by Cheapflights users on 11/20. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/1010:42 amONT - OPO
2 stops17h 03mIberia
Tue 1/148:20 amOPO - ONT
2 stops21h 56mIberia
Deal found 11/20$1,658
This KAYAK deal was found by Cheapflights users on 11/19. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/142:54 pmONT - OPO
2 stops41h 46mBritish Airways
Tue 12/2410:45 amOPO - ONT
2 stops43h 43mBritish Airways
Deal found 11/19$1,836
This Iberia deal was found by Cheapflights users on 11/20. 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 12/2510:46 amONT - LIS
2 stops28h 39mIberia
Sun 1/58:45 pmLIS - ONT
2 stops33h 43mIberia
Deal found 11/20$1,972
This Air Canada deal was found by Cheapflights users on 11/20. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/266:50 pmONT - LIS
2 stops30h 30mMultiple Airlines
Tue 1/711:00 amLIS - ONT
2 stops41h 51mMultiple Airlines
Deal found 11/20$1,976
This United Airlines deal was found by Cheapflights users on 11/20. 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 12/236:50 pmONT - OPO
2 stops36h 25mUnited Airlines
Thu 1/212:30 pmOPO - ONT
2 stops40h 19mUnited Airlines
Deal found 11/20$2,046
This KLM deal was found by Cheapflights users on 11/20. 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 12/197:00 amONT - FAO
2 stops28h 20mKLM
Wed 12/256:55 pmFAO - ONT
2 stops29h 23mKLM
Deal found 11/20$2,309
This British Airways deal was found by Cheapflights users on 11/20. 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.
Sun 12/222:50 pmONT - LIS
2 stops18h 55mBritish Airways
Tue 1/77:40 pmLIS - ONT
2 stops30h 57mBritish Airways
Deal found 11/20$2,875
This Mytrip deal was found by Cheapflights users on 11/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/205:05 amONT - PDL
2 stops18h 45mMultiple Airlines
Fri 12/276:30 amPDL - ONT
3 stops23h 30mMultiple Airlines
Deal found 11/20$2,994
This United Airlines deal was found by Cheapflights users on 11/20. 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 12/191:42 pmONT - FAO
2 stops39h 23mMultiple Airlines
Wed 12/256:05 amFAO - ONT
3 stops35h 53mMultiple Airlines
Deal found 11/20$3,022
This Air France deal was found by Cheapflights users on 11/20. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2412:55 pmONT - OPO
2 stops18h 30mKLM
Thu 1/211:15 amOPO - ONT
2 stops20h 26mKLM
Deal found 11/20$5,499
This Delta deal was found by Cheapflights users on 11/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/217:10 amONT - LIS
2 stops16h 50mDelta
Sun 12/110:00 amLIS - ONT
2 stops21h 01mDelta
Deal found 11/19$10,813

Find flights from Ontario to Portugal within your budget

Customize your flight search to find flights from Ontario to Portugal 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 2,629,791 searches. Data last updated November 21, 2024.

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Route

Depart

Return

Price

OntarioLisbon

ONT - LIS

ONTLIS

Ontario

Tue 1/21

5:10 am-9:20 am

2 stops20h 10m

Lisbon Humberto Delgado

Tue 1/28

11:00 am-8:51 pm

2 stops41h 51m

$605

OntarioLisbon

ONT - LIS

ONTLIS

Ontario

Tue 1/21

5:10 am-9:20 am

3 stops20h 10m

Lisbon Humberto Delgado

Tue 1/28

11:00 am-12:41 pm

3 stops33h 41m

$616

OntarioLisbon

ONT - LIS

ONTLIS

Ontario

Wed 1/15

6:00 am-8:10 am

2 stops18h 10m

Lisbon Humberto Delgado

Fri 1/24

10:15 am-9:57 pm

2 stops19h 42m

$631

OntarioLisbon

ONT - LIS

ONTLIS

Ontario

Sun 3/23

12:39 pm-3:10 pm

2 stops19h 31m

Lisbon Humberto Delgado

Sun 3/30

5:40 am-3:20 pm

2 stops17h 40m

$860

OntarioLisbon

ONT - LIS

ONTLIS

Ontario

Sat 3/22

1:31 am-9:45 pm

2 stops37h 14m

Lisbon Humberto Delgado

Sun 3/30

8:45 pm-11:51 pm

2 stops35h 06m

$874

OntarioLisbon

ONT - LIS

ONTLIS

Ontario

Fri 2/14

2:44 pm-4:05 pm

2 stops17h 21m

Lisbon Humberto Delgado

Sun 2/23

12:30 pm-11:54 pm

2 stops19h 24m

$1,128

OntarioFaro

ONT - FAO

ONTFAO

Ontario

Wed 3/19

6:00 am-11:40 am

3 stops22h 40m

Faro

Sun 3/23

1:10 pm-6:04 pm

2 stops35h 54m

$1,147

OntarioPorto

ONT - OPO

ONTOPO

Ontario

Sun 1/5

6:00 am-3:10 pm

2 stops25h 10m

Porto

Sun 1/12

12:30 pm-8:29 pm

2 stops39h 59m

$1,178

OntarioFaro

ONT - FAO

ONTFAO

Ontario

Wed 3/19

6:46 am-6:10 pm

2 stops28h 24m

Faro

Sun 3/23

10:50 am-8:16 pm

2 stops40h 26m

$1,190

OntarioPorto

ONT - OPO

ONTOPO

Ontario

Sat 4/5

10:58 am-11:40 am

2 stops16h 42m

Porto

Mon 4/14

12:20 pm-11:42 pm

2 stops19h 22m

$1,348

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/20

Showing 1-10 of 29 results
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Best time to book a flight from Ontario to Portugal

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

Travel insights for flights from Ontario to Portugal

Get recent, data-driven insights about flights from Ontario to Portugal including ideal travel times, pricing trends, and more.

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

Currently, December is the cheapest month in which you can book a flight from Ontario to Portugal (average of $589). Flying from Ontario to Portugal in June is currently the most expensive (average of $1,182). 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.

What is the cheapest time of day to fly from ONT to PT?

Find hourly flight availability from Ontario to Portugal. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 21, 2024.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Ontario to Portugal as you normally would.

Rainfall in Portugal by month

Plan your trip to Portugal by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Portugal ranges from 0.2 - 4.8 inches per month. December is typically the wettest month, when rainfall can reach 4.8 in. July is typically the driest time to visit Portugal when rainfall is around 0.2 in.

Temperature in Portugal by month

Plan your trip to Portugal by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Portugal, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

Reviews of airlines servicing Portugal

Get insights into the airlines that provide service to Portugal. 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 Portugal. Reviews last updated November 21, 2024.
Read through reviews of airlines operating flights from Ontario to Portugal, such as United Airlines, British Airways and Iberia. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,759 reviews

Boarding

8.2

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 10

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

Delta
8.0
Very good
8,759 reviews
Delta
8.0
Very good
8,759 reviews

Boarding

8.2

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 10

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

KLM
7.8
Good
1,350 reviews
Delta
8.0
Very good
8,759 reviews

Boarding

8.2

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 10

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

Air France
7.4
Good
1,525 reviews
Delta
8.0
Very good
8,759 reviews

Boarding

8.2

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 10

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

United Airlines
7.4
Good
9,173 reviews
Delta
8.0
Very good
8,759 reviews

Boarding

8.2

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 10

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
8,759 reviews

Boarding

8.2

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 10

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 Portugal. 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 Portugal?

    Located just 3.1 mi from the city center, Ontario (ONT) is the airport most travelers will use when flying to Portugal from Ontario.

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

    $455 is the cheapest one-way deal found within the past few days, from United Airlines. You may also be able to find cheap deals on Iberia and Delta, with prices starting from $565 and $624, respectively.

  • What are the most popular routes from Ontario to Portugal?

    When deciding which route to take from Ontario to Portugal consider Ontario - Lisbon Humberto Delgado, Ontario - Porto or Ontario - Faro as they are the most popular.

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

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

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

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

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

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

    Currently, December is the cheapest month in which you can book a flight from Ontario to Portugal (average of $589). Flying from Ontario to Portugal in June is currently the most expensive (average of $1,182). 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.

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Top 5 airlines flying from Ontario to Portugal

Discover the top 5 airlines that operate flights from Ontario to Portugal. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,629,791 searches. Data last updated November 21, 2024.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$530Average$962FlexibilityNo cancel feeOn-time71%
DeltaCheapest$533Average$1,242FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$549Average$716FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$640Average$1,254FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$668Average$1,086FlexibilityNo cancel feeOn-time67%
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