What are the cheapest airlines flying from Ontario to Lisbon round-trip?

Cheapflights users have booked flights from Ontario to Lisbon round-trip from $661. Other airlines that can offer you cheap pricing are Air Canada, from $731, and Iberia, from $802. United Airlines is priced at 43% 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?

$340 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 Delta and Iberia, with prices starting from $355 and $581, respectively.

What is the cheapest day to fly from Ontario to Lisbon?

Travelers seeking maximum savings on their Ontario to Lisbon flight should consider departing on Tuesday mornings when fares are most often at their lowest. Saturday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

What are the most popular airlines that fly from Ontario to Lisbon?

Air Canada, Delta and United Airlines are the most popular airlines when flying from Ontario to Lisbon.

What is the cheapest day to fly round-trip from Ontario to Lisbon?

Leaving on a Monday is a viable option for saving on travel. Heavily demanded days of the week can typically drive up the prices you see. Booking your travel for a less competitive day can save up to 92% on the overall cost on flights from Ontario to Lisbon.

How far in advance should I book a flight from Ontario to Lisbon?

Find a great deal and save up to 29% by booking at least 25 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Ontario to Lisbon within the next two weeks, with the cheapest ticket starting at $870.

What is the cheapest month to fly from Ontario to Lisbon?

Due to multiple factors, expect to potentially pay more when booking in December. For low rates, February can be a great choice for travel to Lisbon. Flights to Lisbon from Ontario in February are about $935 on average during February, but can be found for as low as $470.

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

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.

Most accurate provider : When it comes to deals on Ontario-Lisbon flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Ontario-Lisbon flight deals on Cheapflights vs. AranGrant >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 AranGrant the most. AranGrant 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.

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.

$340+ Flights from Ontario to Lisbon

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from Ontario to Lisbon 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 Lisbon

Most accurate provider	AranGrant 3 stars
Most trusted provider	AranGrant 3 stars
Round-trip from	$661 (United Airlines)
One-way from	$340 (United Airlines)
Popular in	February
Cheapest in	March
Average price	$1,086

Provider with most accurate pricing for Ontario-Lisbon Humberto Delgado flight deals.

Search Deals

Provider most trusted by Cheapflights users for Ontario-Lisbon Humberto Delgado flights.

Search Deals

From Ontario to Lisbon Humberto Delgado

Search Deals

One-way flight from Ontario to Lisbon Humberto Delgado

Search Deals

Highest demand for flights based on searches. 11% potential increase in price ($156 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 11% potential price decrease ($120 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in May 2025

Search Deals

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 May 14, 2025.

Sat 11/87:00 amONT - LIS

2 stops17h 10mUnited Airlines

Sun 11/235:00 amLIS - ONT

2 stops25h 35mUnited Airlines

Deal found 5/14

$661

Wed 8/205:10 amONT - LIS

2 stops20h 10mAir Canada

Tue 9/911:25 amLIS - ONT

2 stops17h 08mAir Canada

Deal found 5/13

$731

Thu 7/172:40 pmONT - LIS

2 stops19h 45mIberia

Tue 10/148:25 amLIS - ONT

2 stops23h 37mIberia

Deal found 5/14

$802

Sat 9/2010:59 pmONT - LIS

2 stops25h 01mDelta

Tue 10/710:00 amLIS - ONT

2 stops33h 24mDelta

Deal found 5/12

$842

Mon 6/1612:49 pmONT - LIS

2 stops21h 06mBritish Airways

Mon 6/236:45 pmLIS - ONT

2 stops31h 27mBritish Airways

Deal found 5/13

$848

Sun 10/195:10 amONT - LIS

3 stops20h 10mMultiple Airlines

Sun 10/2611:00 amLIS - ONT

2 stops29h 59mMultiple Airlines

Deal found 5/14

$893

Sat 6/147:02 pmONT - LIS

2 stops30h 03mAmerican Airlines

Thu 6/2611:05 amLIS - ONT

2 stops19h 09mAmerican Airlines

Deal found 5/12

$4,308

Best flights from Ontario to Lisbon
Discover carefully curated flight deals from Ontario to Lisbon that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 14, 2025.

Sat 11/87:00 amONT - LIS

2 stops17h 10mUnited Airlines

Sun 11/235:00 amLIS - ONT

2 stops25h 35mUnited Airlines

Deal found 5/14

$661

Wed 8/205:10 amONT - LIS

2 stops20h 10mAir Canada

Tue 9/911:25 amLIS - ONT

2 stops17h 08mAir Canada

Deal found 5/13

$731

Thu 7/172:40 pmONT - LIS

2 stops19h 45mIberia

Tue 10/148:25 amLIS - ONT

2 stops23h 37mIberia

Deal found 5/14

$802

Sat 9/2010:59 pmONT - LIS

2 stops25h 01mDelta

Tue 10/710:00 amLIS - ONT

2 stops33h 24mDelta

Deal found 5/12

$842

Mon 6/1612:49 pmONT - LIS

2 stops21h 06mBritish Airways

Mon 6/236:45 pmLIS - ONT

2 stops31h 27mBritish Airways

Deal found 5/13

$848

Sun 10/195:10 amONT - LIS

3 stops20h 10mMultiple Airlines

Sun 10/2611:00 amLIS - ONT

2 stops29h 59mMultiple Airlines

Deal found 5/14

$893

Sat 6/147:02 pmONT - LIS

2 stops30h 03mAmerican Airlines

Thu 6/2611:05 amLIS - ONT

2 stops19h 09mAmerican Airlines

Deal found 5/12

$4,308

Last-minute flights from Ontario to Lisbon
Discover last-minute flight deals from Ontario to Lisbon. Data last updated May 14, 2025 and is based on user searches.

Sun 5/185:05 amONT - LIS

2 stops20h 15mAir Canada

Thu 6/1211:25 amLIS - ONT

2 stops17h 39mAir Canada

Deal found 5/12

$1,949

Mon 5/1912:45 pmONT - LIS

2 stops19h 20mIberia

Mon 5/268:45 pmLIS - ONT

2 stops29h 51mIberia

Deal found 5/14

$2,361

Wed 5/211:45 pmONT - LIS

2 stops42h 45mUnited Airlines

Sat 5/3110:25 amLIS - ONT

2 stops20h 01mUnited Airlines

Deal found 5/13

$1,968

Wed 5/215:05 amONT - LIS

3 stops20h 15mMultiple Airlines

Sat 5/3112:55 pmLIS - ONT

2 stops31h 36mMultiple Airlines

Deal found 5/14

$4,179

Mon 6/27:36 pmONT - LIS

2 stops30h 29mMultiple Airlines

Fri 6/139:55 amLIS - ONT

1 stop21h 44mMultiple Airlines

Deal found 5/14

$1,123

Tue 6/106:00 amONT - LIS

2 stops19h 20mUnited Airlines

Tue 7/110:25 amLIS - ONT

2 stops19h 46mUnited Airlines

Deal found 5/14

$941

Tue 6/1010:54 amONT - LIS

2 stops23h 31mIberia

Wed 6/188:45 pmLIS - ONT

2 stops34h 17mIberia

Deal found 5/14

$1,411

Sat 6/147:02 pmONT - LIS

2 stops30h 03mAmerican Airlines

Thu 6/2611:05 amLIS - ONT

2 stops19h 09mAmerican Airlines

Deal found 5/12

$4,308

Mon 6/1612:49 pmONT - LIS

2 stops21h 06mBritish Airways

Mon 6/236:45 pmLIS - ONT

2 stops31h 27mBritish Airways

Deal found 5/13

$848

Wed 6/255:08 pmONT - LIS

2 stops17h 32mDelta

Sun 7/135:40 amLIS - ONT

2 stops18h 48mDelta

Deal found 5/13

$1,531

One-way flights from Ontario to Lisbon
Search for one-way flight options from Ontario to Lisbon. Find affordable one-way fares based on user searches. Data last updated May 14, 2025.

Thu 10/169:35 amONT - LIS

2 stops15h 45mUnited Airlines

Deal found 5/14

$340

Sat 9/2010:59 pmONT - LIS

2 stops25h 01mDelta

Deal found 5/13

$355

Sat 5/315:21 pmONT - LIS

3 stops52h 44mMultiple Airlines

Deal found 5/12

$502

Mon 8/182:31 pmONT - LIS

2 stops17h 34mIberia

Deal found 5/14

$581

Sun 6/15:10 amONT - LIS

3 stops20h 10mAir Canada

Deal found 5/14

$1,454

Cheapflights Fare Finder

Use the filters below to find and compare flights from Ontario to Lisbon that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

OntarioLisbon

ONT - LIS

ONTLIS

Ontario

Sat 11/8

7:00 am-8:10 am

2 stops17h 10m

Lisbon Humberto Delgado

Sun 11/23

5:00 am-10:35 pm

2 stops25h 35m

$661

OntarioLisbon

ONT - LIS

ONTLIS

Ontario

Wed 8/20

5:10 am-9:20 am

2 stops20h 10m

Lisbon Humberto Delgado

Tue 9/9

11:25 am-8:33 pm

2 stops17h 08m

$731

OntarioLisbon

ONT - LIS

ONTLIS

Ontario

Thu 7/17

2:40 pm-6:25 pm

2 stops19h 45m

Lisbon Humberto Delgado

Tue 10/14

8:25 am-12:02 am

2 stops23h 37m

$802

OntarioLisbon

ONT - LIS

ONTLIS

Ontario

Sat 9/20

10:59 pm-8:00 am

2 stops25h 01m

Lisbon Humberto Delgado

Fri 10/10

10:00 am-10:41 pm

2 stops20h 41m

$842

OntarioLisbon

ONT - LIS

ONTLIS

Ontario

Mon 6/16

12:49 pm-5:55 pm

2 stops21h 06m

Lisbon Humberto Delgado

Mon 6/23

6:45 pm-6:12 pm

2 stops31h 27m

$848

OntarioLisbon

ONT - LIS

ONTLIS

Ontario

Sun 10/19

5:10 am-9:20 am

3 stops20h 10m

Lisbon Humberto Delgado

Sun 10/26

11:00 am-9:59 am

2 stops29h 59m

$893

OntarioLisbon

ONT - LIS

ONTLIS

Ontario

Sat 6/14

7:02 pm-9:05 am

2 stops30h 03m

Lisbon Humberto Delgado

Thu 6/26

11:05 am-10:14 pm

2 stops19h 09m

$4,308

OntarioLisbon

ONT - LIS

ONTLIS

Ontario

Thu 10/16

9:35 am-9:20 am

2 stops15h 45m

$340

OntarioLisbon

ONT - LIS

ONTLIS

Ontario

Sat 9/20

10:59 pm-8:00 am

2 stops25h 01m

$355

OntarioLisbon

ONT - LIS

ONTLIS

Ontario

Sat 5/31

5:21 pm-6:05 am

3 stops52h 44m

$502

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/14

Showing 1-10 of 12 results

Compare providers for flights from Ontario to Lisbon

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ontario to Lisbon in May.

Provider	Price Accuracy	Trust Score*
FlightHub	Price Accuracy3 stars	Trust Score*2 stars
AranGrant	Price Accuracy3 stars	Trust Score*3 stars

*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 AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Ontario-Lisbon flight deals on Cheapflights vs. AranGrant >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 AranGrant the most. AranGrant 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 $1,159). 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.

Rainfall in Lisbon 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

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

See what other customers who have flown with Delta, United Airlines and American 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.

Delta

8.0

Very good

7,946 reviews

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.

Delta

8.0

Very good

7,946 reviews

Delta

8.0

Very good

7,946 reviews

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.

United Airlines

7.4

Good

8,730 reviews

Delta

8.0

Very good

7,946 reviews

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.

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very good

7,946 reviews

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.

Air Canada

7.0

Good

9,335 reviews

Delta

8.0

Very good

7,946 reviews

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.

Iberia

7.0

Good

2,728 reviews

Delta

8.0

Very good

7,946 reviews

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

What are the cheapest airlines flying from Ontario to Lisbon round-trip?
Cheapflights users have booked flights from Ontario to Lisbon round-trip from $661. Other airlines that can offer you cheap pricing are Air Canada, from $731, and Iberia, from $802. United Airlines is priced at 43% 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?
$340 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 Delta and Iberia, with prices starting from $355 and $581, 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 $1,159). 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

Sintra

Beja

Nazaré

Costa da Caparica

Evora

Torres Vedras

Oeiras

Sesimbra

Fátima

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Ontario to Lisbon

Los Angeles to Lisbon flights

San Francisco to Lisbon flights

San Diego to Lisbon flights

Santa Ana to Lisbon flights

San Francisco to Porto flights

Los Angeles to Porto flights

San Jose to Lisbon flights

Sacramento to Lisbon flights

Las Vegas to Lisbon flights

San Francisco to Lajes flights

San Francisco to Faro flights

Los Angeles to Faro flights

Ontario to Porto flights

San Francisco to Ponta Delgada flights

San Diego to Porto flights

San Francisco to Funchal flights

Oakland to Lisbon flights

Los Angeles to Funchal flights

San Jose to Porto flights

Sacramento to Porto flights

Reno to Lisbon flights

San Jose to Faro flights

Santa Rosa to Lisbon flights

Los Angeles to Ponta Delgada flights

Burbank to Lisbon flights

Santa Ana to Faro flights

Santa Ana to Porto flights

Ontario to Faro flights

Monterey to Lisbon flights

San Jose to Funchal flights

San Jose to Ponta Delgada flights

San Francisco to Velas flights

Oakland to Porto flights

San Francisco to Horta flights

Los Angeles to Lajes flights

San Diego to Ponta Delgada flights

Fresno to Lisbon flights

San Diego to Faro flights

Palm Springs to Lisbon flights

San Francisco to Pico Island flights

Long Beach to Faro flights

Burbank to Porto flights

San Jose to Lajes flights

Los Angeles to Pico Island flights

Long Beach to Lisbon flights

Ontario to Ponta Delgada flights

San Francisco to Porto Santo flights

Other flights to Lisbon

Top 3 airlines flying from Ontario to Lisbon

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$568	Average$1,023	FlexibilityNo cancel fee	On-time69%
Air Canada	Cheapest$691	Average$1,247	FlexibilityNo cancel fee	On-time67%
Delta	Cheapest$733	Average$1,242	FlexibilityNo cancel fee	On-timeN/A

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.

$340+ 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 10/16. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Ontario to Lisbon with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Ontario to Lisbon

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Ontario to Lisbon

Cheapest flights from Ontario to LisbonExplore 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 May 14, 2025.

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 May 14, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Ontario to Lisbon that are best for you.

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 May.

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.

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?

Rainfall in Lisbon by month

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

Temperature in Lisbon by month

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

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 May 14, 2025.

See what other customers who have flown with Delta, United Airlines and American 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.

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?

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

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

How can I find direct flights from Ontario to Lisbon?

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

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

Traveling to a place near Ontario?

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 Lisbon

See prices for flight routes from nearby airports that may be better suited for you.

Top 3 airlines flying from Ontario to Lisbon

100% Free

Book with Flexibility

Travel Smart

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 May 14, 2025.