HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news

Cheap flights from Portugal to Ontario (ONT) from $439

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 9/12. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
LIS — ONT
jun. 11 — jun. 181
From?
To?
mar. 6/11
mar. 6/18
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

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

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 50 days in advance, which can save you up to 14% on flights from Portugal to Ontario compared to booking the week you need them. Waiting 50 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $790. For sooner than that we have options available in the next 3 days from $882.

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

February is one of the best times of the year to fly to Ontario from Portugal. Prices for February average $868 per person but you can even find prices for as low as $624. The most expensive prices can be found in the month of July. Opting for a February flight can save you 36% on your journey compared to booking in July

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

When flying from Portugal to Ontario, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Cheap Portugal to Ontario flights in June & July 2024

Find cheap flight options from Portugal to Ontario specifically for the months of June and July 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,050,429 searches. Prices were last updated on junio 6, 2024.
The lowest fares we've come across on flights traveling from Portugal to Ontario in June and July 2024. Check back soon for alternative fares.
jue. 6/138:45 pmLIS - ONT
2 stops35h 14mIberia
lun. 6/172:44 pmONT - LIS
2 stops24h 41mIberia
Deal found 6/5$1,055
vie. 6/2111:00 amPDL - ONT
2 stops42h 27mUnited Airlines
mar. 6/255:15 amONT - PDL
2 stops20h 25mUnited Airlines
Deal found 6/5$1,092
jue. 6/207:30 amPDL - ONT
2 stops22h 30mAir France
lun. 6/245:35 amONT - PDL
2 stops27h 30mAir France
Deal found 6/5$1,420
lun. 7/112:30 pmLIS - ONT
2 stops19h 29mAmerican Airlines
lun. 7/156:05 amONT - LIS
2 stops19h 00mAmerican Airlines
Deal found 6/6$1,462
sáb. 7/66:15 amLIS - ONT
2 stops19h 38mUnited Airlines
sáb. 7/136:20 amONT - LIS
2 stops20h 15mUnited Airlines
Deal found 6/6$1,749
vie. 6/2111:00 amPDL - ONT
2 stops18h 27mUnited Airlines
mar. 6/255:15 amONT - PDL
3 stops20h 25mUnited Airlines
Deal found 6/5$3,862

Portugal to Ontario 2024 flight deals

Discover exclusive flight deals for travel between Portugal and Ontario in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,050,429 searches. Data last updated junio 6, 2024.
The lowest fares we've come across on flights traveling from Portugal to Ontario in June and July 2024. Check back soon for alternative fares.
sáb. 11/912:30 pmLIS - ONT
2 stops19h 37mIberia
sáb. 11/163:01 pmONT - LIS
2 stops17h 04mIberia
Deal found 6/5$851
jue. 6/138:45 pmLIS - ONT
2 stops35h 14mIberia
lun. 6/172:44 pmONT - LIS
2 stops24h 41mIberia
Deal found 6/5$1,055
vie. 6/2111:00 amPDL - ONT
2 stops42h 27mUnited Airlines
mar. 6/255:15 amONT - PDL
2 stops20h 25mUnited Airlines
Deal found 6/5$1,092
dom. 12/112:30 pmLIS - ONT
2 stops19h 37mIberia
sáb. 12/73:03 pmONT - LIS
2 stops17h 02mIberia
Deal found 6/6$1,328
jue. 6/207:30 amPDL - ONT
2 stops22h 30mAir France
lun. 6/245:35 amONT - PDL
2 stops27h 30mAir France
Deal found 6/5$1,420
lun. 7/112:30 pmLIS - ONT
2 stops19h 29mAmerican Airlines
lun. 7/156:05 amONT - LIS
2 stops19h 00mAmerican Airlines
Deal found 6/6$1,462
sáb. 7/66:15 amLIS - ONT
2 stops19h 38mUnited Airlines
sáb. 7/136:20 amONT - LIS
2 stops20h 15mUnited Airlines
Deal found 6/6$1,749
jue. 12/2612:30 pmLIS - ONT
2 stops19h 45mIberia
jue. 1/211:01 amONT - LIS
2 stops16h 49mIberia
Deal found 6/5$1,978
vie. 6/2111:00 amPDL - ONT
2 stops18h 27mUnited Airlines
mar. 6/255:15 amONT - PDL
3 stops20h 25mUnited Airlines
Deal found 6/5$3,862

Portugal to Ontario flights leaving soon

Find last-minute flight options from Portugal to Ontario for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 3,050,429 searches. Data last updated junio 6, 2024.
Check out these flights departing soon from Portugal to Ontario. Users should examine the flight details to ensure there are no surprises.
jue. 6/138:45 pmLIS - ONT
2 stops35h 14mIberia
lun. 6/172:44 pmONT - LIS
2 stops24h 41mIberia
Deal found 6/5$1,055

One-way flights to Ontario from Portugal

Search for one-way flight options from Portugal to Ontario. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 3,050,429 searches. Data last updated junio 6, 2024.
Take a look at some of the best available options we've come across on one-way flights from Portugal to Ontario. Those needing a return flight from Portugal to Ontario can use the search form above.
jue. 9/1210:40 amLIS - ONT
2 stops30h 26mMultiple Airlines
Deal found 6/6$439
mar. 8/2712:30 pmLIS - ONT
2 stops17h 57mIberia
Deal found 6/5$693
mié. 9/1812:30 pmLIS - ONT
2 stops19h 26mIberia
Deal found 6/5$694
dom. 10/1312:30 pmLIS - ONT
2 stops18h 56mAmerican Airlines
Deal found 6/5$697
mié. 9/1812:30 pmLIS - ONT
2 stops19h 26mAmerican Airlines
Deal found 6/6$699
mar. 9/176:50 pmLIS - ONT
2 stops32h 54mBritish Airways
Deal found 6/5$743
lun. 9/1611:00 pmFAO - ONT
2 stops31h 12mAmerican Airlines
Deal found 6/5$794
jue. 7/48:15 amLIS - ONT
3 stops35h 53mMultiple Airlines
Deal found 6/5$882
jue. 7/411:40 amLIS - ONT
2 stops32h 28mMultiple Airlines
Deal found 6/5$894

Find flights from Portugal to Ontario within your budget

Customize your flight search to find flights from Portugal to Ontario 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 3,050,429 searches. Data last updated junio 6, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$851 - $7,382

Route

Depart

Return

Price

Lisbon Humberto DelgadoOntario

LIS - ONT

LISONT

Lisbon Humberto Delgado

sáb. 11/9

2 stops19h 37m

Ontario

sáb. 11/16

2 stops17h 04m

$851

Ponta Delgada NordelaOntario

PDL - ONT

PDLONT

Ponta Delgada Nordela

vie. 6/21

2 stops42h 27m

Ontario

mar. 6/25

2 stops20h 25m

$1,092

Lisbon Humberto DelgadoOntario

LIS - ONT

LISONT

Lisbon Humberto Delgado

dom. 12/1

2 stops19h 37m

Ontario

sáb. 12/7

2 stops17h 02m

$1,328

Ponta Delgada NordelaOntario

PDL - ONT

PDLONT

Ponta Delgada Nordela

jue. 6/20

2 stops22h 30m

Ontario

lun. 6/24

2 stops27h 30m

$1,420

Lisbon Humberto DelgadoOntario

LIS - ONT

LISONT

Lisbon Humberto Delgado

lun. 7/1

2 stops19h 29m

Ontario

lun. 7/15

2 stops19h 00m

$1,462

Lisbon Humberto DelgadoOntario

LIS - ONT

LISONT

Lisbon Humberto Delgado

sáb. 7/6

2 stops19h 38m

Ontario

sáb. 7/13

2 stops20h 15m

$1,749

Ponta Delgada NordelaOntario

PDL - ONT

PDLONT

Ponta Delgada Nordela

vie. 6/21

2 stops18h 27m

Ontario

mar. 6/25

3 stops20h 25m

$3,862

FaroOntario

FAO - ONT

FAOONT

Faro

mié. 9/4

2 stops21h 52m

Ontario

jue. 9/12

2 stops27h 30m

$7,382

Flights are sorted by cheapest first

Deals found on 6/5

No data available for this route at this time. Please check back soon.

Best time to book a flight from Portugal to Ontario

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

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. 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 Ontario. Reviews last updated junio 6, 2024.
To help decide which airline to fly from Portugal to Ontario, see what other customers have to say about United Airlines and Iberia. 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
10,368 reviews

Boarding

8.2

Food

7.4

Comfort

7.9

Overall

8.0

Entertainment

8.0

Crew

8.6

Reviews

1 / 10

Crew was nice and courteous. Boarding went smoothly. But we experienced a few minutes of extreme turbulence.

Delta
8.0
Very good
10,368 reviews
Delta
8.0
Very good
10,368 reviews

Boarding

8.2

Food

7.4

Comfort

7.9

Overall

8.0

Entertainment

8.0

Crew

8.6

Reviews

1 / 10

Crew was nice and courteous. Boarding went smoothly. But we experienced a few minutes of extreme turbulence.

KLM
7.9
Good
1,489 reviews
Delta
8.0
Very good
10,368 reviews

Boarding

8.2

Food

7.4

Comfort

7.9

Overall

8.0

Entertainment

8.0

Crew

8.6

Reviews

1 / 10

Crew was nice and courteous. Boarding went smoothly. But we experienced a few minutes of extreme turbulence.

Air France
7.5
Good
1,720 reviews
Delta
8.0
Very good
10,368 reviews

Boarding

8.2

Food

7.4

Comfort

7.9

Overall

8.0

Entertainment

8.0

Crew

8.6

Reviews

1 / 10

Crew was nice and courteous. Boarding went smoothly. But we experienced a few minutes of extreme turbulence.

United Airlines
7.4
Good
10,696 reviews
Delta
8.0
Very good
10,368 reviews

Boarding

8.2

Food

7.4

Comfort

7.9

Overall

8.0

Entertainment

8.0

Crew

8.6

Reviews

1 / 10

Crew was nice and courteous. Boarding went smoothly. But we experienced a few minutes of extreme turbulence.

American Airlines
7.3
Good
14,227 reviews
Delta
8.0
Very good
10,368 reviews

Boarding

8.2

Food

7.4

Comfort

7.9

Overall

8.0

Entertainment

8.0

Crew

8.6

Reviews

1 / 10

Crew was nice and courteous. Boarding went smoothly. But we experienced a few minutes of extreme turbulence.

Related info for your journey

Find useful and relevant information for your journey from Portugal to Ontario. 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 into for flights to Ontario from Portugal?

    If you book a flight to Ontario from Portugal, you will be flying to Ontario, which is the city’s only airport. Ontario (ONT) is located 3.1 mi from the center of Ontario.

  • Can I find flights from Portugal to Ontario for under $900 on Cheapflights?

    Yes, there are multiple flights from Portugal to Ontario for under $900. The cheapest flight booked recently is on Iberia for just $851, but on average you can expect to pay $2,393.

  • Are there last-minute flights available from Portugal to Ontario for under $1,100?

    There are currently 1+ open flights from Portugal to Ontario within the next 7 days for less than $1,100.

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

    The cheapest airlines for a one-way flight from Portugal to Ontario are Iberia ($693), American Airlines ($697), and British Airways ($743).

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

    The most popular route from Portugal to Ontario is Lisbon Humberto Delgado - Ontario. You may also consider Faro - Ontario or Ponta Delgada Nordela - Ontario.

  • What does LIS to ONT mean?

    Lisbon Humberto Delgado Airport is LIS and Ontario Airport is ONT. These codes are created by the International Air Transport Association (IATA) and airlines use them to identify the departing and arrival airports in the flight routes they service. While you’re still figuring out your travel plans, it’s not a bad idea to learn the names and codes of other airports around these areas: Porto Airport (OPO), Faro Airport (FAO), Funchal Madeira Airport (FNC), Ponta Delgada Nordela Airport (PDL), Lajes Airport (TER).

  • Can I find deals for flights from Portugal to Ontario that include extra baggage allowance?

    The amount of baggage you can bring on your Portugal to Ontario flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Portugal to Ontario with specific airlines?

    Yes, Cheapflights allows you to browse and filter Portugal to Ontario flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Portugal to Ontario by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from Portugal to Ontario that allow pets onboard?

    Many airlines flying from Portugal to Ontario offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Portugal to Ontario?

    Yes, you can often find last-minute deals on Portugal to Ontario flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Portugal to Ontario flight deals updated?

    The Portugal to Ontario flight deals you see on this page were last updated on 6/6.

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

    Currently, October is the cheapest month in which you can book a flight from Portugal to Ontario (average of $239). Flying from Portugal to Ontario in July is currently the most expensive (average of $327). 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

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

Charles de Gaulle to Los Angeles flights
Heathrow to Los Angeles flights
Frankfurt to Los Angeles flights
Frankfurt to Las Vegas flights
Charles de Gaulle to San Francisco flights
Frankfurt to San Francisco flights
Heathrow to San Francisco flights
Vienna to Los Angeles flights
Orly to Los Angeles flights
Munich to Los Angeles flights
Charles de Gaulle to Long Beach flights
London City to Los Angeles flights
Gatwick to Los Angeles flights
Heathrow to Las Vegas flights
Charles de Gaulle to Burbank flights
Madrid to Los Angeles flights
Barcelona-El Prat to Los Angeles flights
Heathrow to Ontario flights
Zurich to Los Angeles flights
Zurich to San Francisco flights
Munich to San Francisco flights
Amsterdam to Los Angeles flights
Leonardo da Vinci/Fiumicino to San Francisco flights
Luton to Los Angeles flights
Istanbul to Los Angeles flights
Gatwick to San Francisco flights
London City to San Francisco flights
Charles de Gaulle to Las Vegas flights
Heathrow to San Diego flights
Amsterdam to San Francisco flights
Heathrow to Long Beach flights
Amsterdam to Las Vegas flights
Heathrow to Burbank flights
Frederic Chopin to Los Angeles flights
Barcelona-El Prat to San Francisco flights
Madrid to San Francisco flights
Gatwick to Las Vegas flights
Leonardo da Vinci/Fiumicino to Los Angeles flights
Istanbul to San Francisco flights
Duesseldorf Intl to Los Angeles flights
Heathrow to Oakland flights
Munich to Las Vegas flights
Frankfurt to Ontario flights
Malpensa to Los Angeles flights
Berlin to Los Angeles flights
Copenhagen to San Francisco flights
Lyon to Los Angeles flights
Orly to Las Vegas flights
Charles de Gaulle to Oakland flights
Boston to Chicago flights
Miami to Barcelona flights
USA to Bora Bora flights
Orlando to Hawaii flights
Pittsburgh to Las Vegas flights
Honolulu to Kaua'i flights
Atlanta to Austin flights
Phoenix to Dallas flights
San Francisco to New York flights
Boston to Toronto flights
Los Angeles to Nashville flights
Portugal to Chicago O'Hare Intl Airport flights

Search flights from Portugal to Ontario by cabin class

Find flights from Portugal to Ontario, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Class
Business Class
Prem Econ Class
Economy Class

Book a flight to one of these trending destinations

User searches for flights to these destinations increased 20% or more in the past 90 days compared to other destinations
Flights to Gaziantep
Flights to Miyakojima Hirara
Flights to Figari-Sud Corse
Flights to Mason City
Flights to Komatsu
Flights to Sendai
Flights to Rhinelander Oneida County
Flights to Constanţa Mihail Kogalniceanu
Flights to Brainerd Crow Wing County
Flights to Reus
Flights to Virac
Flights to Neiva La Marguita
Flights to Pellston Emmet County
Flights to Urumqi
Flights to Bastia Poretta
Flights to Samos
Flights to Hyannis Barnstable
Flights to Provincetown
Flights to Alghero-Fertilia
Flights to Laayoune Hassan I
Flights to Devils Lake
Flights to Vava'u Lupepau'U
Flights to Hakodate
Flights to Edremit/Korfez
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.
View all available airlines