Lisbon

$468+ Cheap flights from Ontario (ONT) to Lisbon (LIS)

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 5/27. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — LIS
Apr 8 — Apr 151
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Cheap flight deals from Ontario to Lisbon

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Lisbon (LIS). 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 April 3, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$816
(United Airlines)

One-way from

$468
(Mytrip)

Popular in

July

Cheapest in

February

Average price

$1,150
Provider with most accurate pricing for Ontario-Lisbon Humberto Delgado flight deals.
Provider most trusted by Cheapflights users for Ontario-Lisbon Humberto Delgado flights.
From Ontario to Lisbon Humberto Delgado
One-way flight from Ontario to Lisbon Humberto Delgado
Highest demand for flights based on searches. 18% potential increase in price ($248 potential increase over avg. RT price).
Cheapest flight prices on average. 6% potential price decrease ($65 potential savings vs. average RT price).
Average for round-trip flights in April 2025

Find flight deals from Ontario to Lisbon

Cheapest flights from Ontario to Lisbon
Explore the most affordable flight options available from Ontario to Lisbon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 3, 2025.

This Delta deal was found by Cheapflights users on 4/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/79:55 amONT - LIS
2 stops23h 35mDelta
Fri 11/145:30 amLIS - ONT
2 stops26h 16mDelta
Deal found 4/2$686
This United deal was found by Cheapflights users on 4/1. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/195:45 amONT - LIS
2 stops21h 25mUnited Airlines
Sun 10/2611:00 amLIS - ONT
2 stops40h 17mUnited Airlines
Deal found 4/1$764
This Iberia deal was found by Cheapflights users on 4/2. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/512:45 pmONT - LIS
2 stops19h 20mIberia
Wed 5/1412:30 pmLIS - ONT
2 stops19h 13mIberia
Deal found 4/2$1,101
This Air Canada deal was found by Cheapflights users on 4/1. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/105:10 amONT - LIS
2 stops44h 10mAir Canada
Tue 6/1711:25 amLIS - ONT
2 stops38h 00mAir Canada
Deal found 4/1$1,109
This Air Canada deal was found by Cheapflights users on 3/31. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1210:00 amONT - LIS
2 stops17h 10mMultiple Airlines
Sat 9/2012:50 pmLIS - ONT
2 stops18h 03mMultiple Airlines
Deal found 3/31$1,214
This British Airways deal was found by Cheapflights users on 4/1. 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.
Mon 5/192:44 pmONT - LIS
2 stops19h 11mBritish Airways
Tue 7/87:15 amLIS - ONT
2 stops22h 23mBritish Airways
Deal found 4/1$1,705
This Air France deal was found by Cheapflights users on 4/2. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/57:00 amONT - LIS
2 stops19h 45mAir France
Mon 8/115:40 amLIS - ONT
2 stops24h 49mAir France
Deal found 4/2$2,024

Cheapflights Fare Finder

Customize your flight search to find flights from Ontario to Lisbon 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 April 3, 2025.
Use the filters below to find and compare flights from Ontario to Lisbon that are best for you.

Fly from

Ontario

Fly to

Lisbon

Route

Depart

Return

Price

OntarioLisbon

ONT - LIS

ONTLIS

Ontario

Mon 4/28

6:10 am-8:20 am

2 stops18h 10m

Lisbon Humberto Delgado

Tue 5/6

11:25 am-8:53 pm

2 stops17h 28m

$816

OntarioLisbon

ONT - LIS

ONTLIS

Ontario

Tue 5/27

7:05 am-8:00 am

2 stops16h 55m

Lisbon Humberto Delgado

Tue 6/3

10:00 am-10:29 pm

2 stops20h 29m

$902

OntarioLisbon

ONT - LIS

ONTLIS

Ontario

Mon 5/5

12:45 pm-4:05 pm

2 stops19h 20m

Lisbon Humberto Delgado

Tue 5/13

8:25 am-11:43 pm

2 stops23h 18m

$1,101

OntarioLisbon

ONT - LIS

ONTLIS

Ontario

Tue 6/10

5:10 am-9:20 am

2 stops44h 10m

Lisbon Humberto Delgado

Tue 6/17

11:25 am-5:25 pm

2 stops38h 00m

$1,109

OntarioLisbon

ONT - LIS

ONTLIS

Ontario

Fri 9/12

10:00 am-11:10 am

2 stops17h 10m

Lisbon Humberto Delgado

Sat 9/20

12:50 pm-10:53 pm

2 stops18h 03m

$1,214

OntarioLisbon

ONT - LIS

ONTLIS

Ontario

Mon 5/19

2:44 pm-5:55 pm

2 stops19h 11m

Lisbon Humberto Delgado

Tue 7/8

7:15 am-9:38 pm

2 stops22h 23m

$1,705

OntarioLisbon

ONT - LIS

ONTLIS

Ontario

Tue 8/5

7:00 am-10:45 am

2 stops19h 45m

Lisbon Humberto Delgado

Mon 8/11

5:40 am-10:29 pm

2 stops24h 49m

$2,024

OntarioLisbon

ONT - LIS

ONTLIS

Ontario

Tue 5/27

5:10 am-5:55 am

2 stops16h 45m

$468

OntarioLisbon

ONT - LIS

ONTLIS

Ontario

Mon 4/21

10:15 pm-8:00 am

2 stops25h 45m

$544

OntarioLisbon

ONT - LIS

ONTLIS

Ontario

Mon 8/11

7:00 am-9:20 am

2 stops18h 20m

$608

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/31

Showing 1-10 of 14 results
1
2

Compare providers for flights from Ontario to Lisbon

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ontario to Lisbon in April.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Ontario-Lisbon flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-Lisbon flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ontario-Lisbon flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Ontario-Lisbon flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ontario-Lisbon flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Ontario to Lisbon

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

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

Currently, January is the cheapest month in which you can book a flight from Ontario to Lisbon (average of $612). Flying from Ontario to Lisbon in June is currently the most expensive (average of $1,203). 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 LIS?

Find hourly flight availability from Ontario to Lisbon. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 3, 2025.

It’s optimal to fly from Ontario to Lisbon in the afternoon. By choosing this option you can save up to 15% on the cost of your flight, compared to a flight at noon.

Rainfall in Lisbon by month

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

In terms of precipitation, rainfall in Lisbon 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 Lisbon when rainfall is around 0.2 in.

Temperature in Lisbon by month

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

If weather is an important factor for your trip to Lisbon, 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 Lisbon

Get insights into the airlines that provide service to Lisbon. 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 Lisbon. Reviews last updated April 3, 2025.
See what other customers who have flown with Delta, Air France and United Airlines from Ontario to Lisbon have to say. 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.
8.0
Very good

Overall

8.0

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
8.0
Very good
8.0
Very good

Overall

8.0

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
8.0
Very good

Overall

8.0

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
8.0
Very good

Overall

8.0

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
8.0
Very good

Overall

8.0

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
8.0
Very good

Overall

8.0

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

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 Lisbon. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What are the cheapest airlines flying from Ontario to Lisbon round-trip?

    Cheapflights users have booked flights from Ontario to Lisbon round-trip from $816. Other airlines that can offer you cheap pricing are Delta, from $902, and Iberia, from $1,101. United Airlines is priced at 23% lower than the current average price of a flight leaving 3 months from now.

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

    $544 is the cheapest one-way deal found within the past few days, from Delta. You may also be able to find cheap deals on United Airlines and Iberia, with prices starting from $608 and $621, respectively.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Ontario to Lisbon (average of $612). Flying from Ontario to Lisbon in June is currently the most expensive (average of $1,203). 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

Traveling to a place near Ontario?

Book flights to Ontario if you plan to visit one of these locations
Sintra
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Beja
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Fátima

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Top 4 airlines flying from Ontario to Lisbon

Discover the top 4 airlines that operate flights from Ontario to Lisbon. 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 2,558,603 searches. Data last updated April 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$691Average$1,247FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$708Average$1,175FlexibilityNo cancel feeOn-time69%
DeltaCheapest$733Average$1,242FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$782Average$1,123FlexibilityNo cancel feeOn-time71%

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