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Cheap flights from Ontario (ONT) to Portugal from $526

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 10/6. 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.
ONT — LIS
May 21 — May 281
From?
To?
Tue 5/21
Tue 5/28
1 adult, Economy
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How far in advance should I book a flight from Ontario to Portugal?

To save up to 18% on this flight, we recommend booking at least 15 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Ontario to Portugal from $835 1-2 weeks out and tickets from $919 for flights departing within the next 72 hours.

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

Our data shows that February tends to be the cheapest month to fly to Portugal from Ontario. Users have commonly found prices around $996 for the month, but tickets can be as low as $455. Due to multiple factors, prepare for potentially higher prices in June.

When is the cheapest time to fly from Ontario to Portugal (ONT - PT)?

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.

Cheap United Airlines flights from Ontario to Portugal

Explore cheap flight options specifically provided by United Airlines for the route between Ontario and Portugal. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,637,452 searches. Data last updated May 16, 2024.
Take a peek at the cheapest United Airlines flights we've detected traveling from Ontario to Portugal. Make sure to check back often as deals are often changing.
Mon 11/46:00 amONT - LIS
2 stops18h 10mUnited Airlines
Wed 11/1312:20 pmLIS - ONT
2 stops17h 32mUnited Airlines
Deal found 5/15$770
Mon 10/146:02 amONT - LIS
2 stops20h 28mUnited Airlines
Thu 11/1412:20 pmLIS - ONT
2 stops17h 32mUnited Airlines
Deal found 5/15$849
Mon 8/196:00 amONT - LIS
2 stops18h 20mUnited Airlines
Thu 8/2912:20 pmLIS - ONT
2 stops20h 25mUnited Airlines
Deal found 5/15$928
Wed 6/55:15 amONT - OPO
2 stops17h 40mUnited Airlines
Mon 6/109:00 amOPO - ONT
2 stops19h 48mUnited Airlines
Deal found 5/15$972
Sun 7/216:00 amONT - PDL
2 stops19h 40mUnited Airlines
Sun 7/2811:00 amPDL - ONT
2 stops16h 48mUnited Airlines
Deal found 5/15$986
Tue 7/165:20 amONT - OPO
2 stops17h 35mUnited Airlines
Thu 7/259:00 amOPO - ONT
2 stops20h 11mUnited Airlines
Deal found 5/15$1,007
Mon 6/105:15 amONT - OPO
2 stops20h 30mUnited Airlines
Sun 6/169:00 amOPO - ONT
2 stops19h 48mUnited Airlines
Deal found 5/16$1,048
Sun 10/136:00 amONT - OPO
2 stops19h 45mUnited Airlines
Wed 10/236:00 amOPO - ONT
2 stops19h 17mUnited Airlines
Deal found 5/15$1,055
Sat 6/155:15 amONT - OPO
2 stops20h 30mUnited Airlines
Sat 6/226:00 amOPO - ONT
2 stops24h 27mUnited Airlines
Deal found 5/16$1,063

Cheap Air Canada flights from Ontario to Portugal

Explore cheap flight options specifically provided by Air Canada for the route between Ontario and Portugal. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,637,452 searches. Data last updated May 16, 2024.
Browse through some of the cheapest Air Canada flights traveling from Ontario to Portugal. Check back soon if you're not seeing flights that suit your needs.
Fri 9/206:25 pmONT - LIS
2 stops32h 45mAir Canada
Mon 10/711:25 amLIS - ONT
2 stops41h 07mAir Canada
Deal found 5/15$929
Sat 8/315:15 amONT - LIS
2 stops21h 55mAir Canada
Sat 9/79:45 amLIS - ONT
2 stops39h 37mAir Canada
Deal found 5/14$1,040
Wed 5/296:00 amONT - LIS
2 stops19h 20mAir Canada
Tue 6/411:25 amLIS - ONT
2 stops19h 02mAir Canada
Deal found 5/15$1,118
Wed 5/225:15 amONT - LIS
2 stops21h 55mAir Canada
Tue 5/2811:25 amLIS - ONT
2 stops38h 03mAir Canada
Deal found 5/14$1,976

Cheap Ontario to Portugal flights in May & June 2024

Find cheap flight options from Ontario to Portugal specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,637,452 searches. Prices were last updated on May 16, 2024.
Check out some of the best flight deals from Ontario to Portugal in 2024. For more flight deals, be sure to check back very soon.
Wed 6/55:15 amONT - OPO
2 stops17h 40mUnited Airlines
Mon 6/109:00 amOPO - ONT
2 stops19h 48mUnited Airlines
Deal found 5/15$972
Wed 5/295:45 amONT - LIS
2 stops18h 15mKLM
Wed 6/510:00 amLIS - ONT
2 stops21h 43mKLM
Deal found 5/15$976
Mon 6/105:15 amONT - OPO
2 stops20h 30mUnited Airlines
Sun 6/169:00 amOPO - ONT
2 stops19h 48mUnited Airlines
Deal found 5/16$1,048
Sat 6/155:15 amONT - OPO
2 stops20h 30mUnited Airlines
Sat 6/226:00 amOPO - ONT
2 stops24h 27mUnited Airlines
Deal found 5/16$1,063
Mon 6/172:44 pmONT - LIS
2 stops24h 06mBritish Airways
Mon 7/16:45 pmLIS - ONT
2 stops32h 12mBritish Airways
Deal found 5/15$1,064
Tue 6/1111:59 pmONT - LIS
2 stops31h 41mBritish Airways
Wed 6/196:45 pmLIS - ONT
2 stops35h 24mBritish Airways
Deal found 5/15$1,071
Wed 5/296:00 amONT - LIS
2 stops19h 20mAir Canada
Tue 6/411:25 amLIS - ONT
2 stops19h 02mAir Canada
Deal found 5/15$1,118
Thu 6/204:36 pmONT - LIS
2 stops46h 39mBritish Airways
Mon 7/16:45 pmLIS - ONT
2 stops32h 12mBritish Airways
Deal found 5/15$1,120
Wed 6/122:44 pmONT - OPO
2 stops17h 11mIberia
Sat 6/228:15 amOPO - ONT
2 stops18h 42mIberia
Deal found 5/15$1,133

Ontario to Portugal 2024 flight deals

Discover exclusive flight deals for travel between Ontario and Portugal in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,637,452 searches. Data last updated May 16, 2024.
Check out some of the best flight deals from Ontario to Portugal in 2024. For more flight deals, be sure to check back very soon.
Mon 11/46:00 amONT - LIS
2 stops18h 10mUnited Airlines
Wed 11/1312:20 pmLIS - ONT
2 stops17h 32mUnited Airlines
Deal found 5/15$770
Thu 12/510:59 pmONT - LIS
2 stops26h 01mDelta
Mon 12/910:00 amLIS - ONT
2 stops21h 51mDelta
Deal found 5/15$778
Mon 10/146:02 amONT - LIS
2 stops20h 28mUnited Airlines
Thu 11/1412:20 pmLIS - ONT
2 stops17h 32mUnited Airlines
Deal found 5/15$849
Tue 10/227:00 amONT - LIS
2 stops24h 30mMultiple Airlines
Fri 11/86:55 amLIS - ONT
2 stops23h 33mMultiple Airlines
Deal found 5/15$869
Mon 8/196:00 amONT - LIS
2 stops18h 20mUnited Airlines
Thu 8/2912:20 pmLIS - ONT
2 stops20h 25mUnited Airlines
Deal found 5/15$928
Thu 12/56:00 amONT - OPO
2 stops44h 30mKLM
Mon 12/911:15 amOPO - ONT
2 stops36h 57mKLM
Deal found 5/15$928
Fri 9/206:25 pmONT - LIS
2 stops32h 45mAir Canada
Mon 10/711:25 amLIS - ONT
2 stops41h 07mAir Canada
Deal found 5/15$929
Sat 9/2112:45 pmONT - LIS
2 stops21h 10mBritish Airways
Sat 10/57:10 amLIS - ONT
2 stops22h 32mBritish Airways
Deal found 5/15$941
Wed 6/55:15 amONT - OPO
2 stops17h 40mUnited Airlines
Mon 6/109:00 amOPO - ONT
2 stops19h 48mUnited Airlines
Deal found 5/15$972

Ontario to Portugal flights leaving soon

Find last-minute flight options from Ontario to Portugal 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 2,637,452 searches. Data last updated May 16, 2024.
Book one of these great deals on flights from Ontario to Portugal. Users should examine the flight details to ensure there are no surprises.
Wed 5/295:45 amONT - LIS
2 stops18h 15mKLM
Wed 6/510:00 amLIS - ONT
2 stops21h 43mKLM
Deal found 5/15$976
Wed 5/296:00 amONT - LIS
2 stops19h 20mAir Canada
Tue 6/411:25 amLIS - ONT
2 stops19h 02mAir Canada
Deal found 5/15$1,118
Tue 5/2812:59 amONT - LIS
2 stops37h 36mMultiple Airlines
Wed 6/59:55 amLIS - ONT
1 stop29h 13mMultiple Airlines
Deal found 5/15$1,500
Wed 5/297:39 amONT - LIS
1 stop19h 46mMultiple Airlines
Wed 6/58:55 amLIS - ONT
2 stops30h 13mMultiple Airlines
Deal found 5/15$1,517
Wed 5/295:15 amONT - LIS
3 stops20h 05mMultiple Airlines
Wed 6/512:50 pmLIS - ONT
2 stops36h 38mMultiple Airlines
Deal found 5/15$1,695
Fri 5/176:00 amONT - LIS
2 stops18h 20mUnited Airlines
Wed 5/2212:50 pmLIS - ONT
2 stops31h 55mUnited Airlines
Deal found 5/14$1,705
Fri 5/1712:53 pmONT - LIS
2 stops26h 22mBritish Airways
Wed 5/226:45 pmLIS - ONT
2 stops31h 37mBritish Airways
Deal found 5/15$1,755
Tue 5/216:00 amONT - LIS
2 stops19h 05mAmerican Airlines
Mon 5/2711:05 amLIS - ONT
2 stops39h 54mAmerican Airlines
Deal found 5/14$1,779
Thu 5/239:30 amONT - LIS
2 stops39h 35mAmerican Airlines
Tue 5/286:35 amLIS - ONT
2 stops25h 21mAmerican Airlines
Deal found 5/14$1,793

One-way flights to Portugal from Ontario

Search for one-way flight options from Ontario to Portugal. 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 2,637,452 searches. Data last updated May 16, 2024.
Some of the best available deals we've found on one-way flights from Ontario to Portugal. Those seeking round-trip flights from Ontario to Portugal should utilize the search form at the the top of the page.
Sun 10/611:30 amONT - LIS
2 stops24h 35mMultiple Airlines
Deal found 5/15$526
Tue 10/156:02 amONT - LIS
2 stops20h 28mUnited Airlines
Deal found 5/15$601
Sun 10/276:00 amONT - LIS
3 stops21h 30mUnited Airlines
Deal found 5/15$607
Sun 10/611:30 amONT - LIS
3 stops27h 20mMultiple Airlines
Deal found 5/15$657
Sun 10/66:02 amONT - LIS
2 stops20h 28mUnited Airlines
Deal found 5/15$692
Sun 9/111:30 pmONT - LIS
2 stops27h 40mMultiple Airlines
Deal found 5/15$693
Wed 5/295:15 amONT - OPO
2 stops17h 40mUnited Airlines
Deal found 5/14$782
Sat 8/3111:30 pmONT - LIS
2 stops27h 40mMultiple Airlines
Deal found 5/15$792
Sat 8/3111:30 pmONT - LIS
3 stops27h 15mMultiple Airlines
Deal found 5/15$809

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 2,637,452 searches. Data last updated May 16, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$770 - $1,222

Route

Depart

Return

Price

OntarioLisbon Humberto Delgado

ONT - LIS

ONTLIS

Ontario

Mon 11/4

2 stops18h 10m

Lisbon Humberto Delgado

Wed 11/13

2 stops17h 32m

$770

OntarioLisbon Humberto Delgado

ONT - LIS

ONTLIS

Ontario

Mon 10/14

2 stops20h 28m

Lisbon Humberto Delgado

Thu 11/14

2 stops17h 32m

$849

OntarioLisbon Humberto Delgado

ONT - LIS

ONTLIS

Ontario

Tue 10/22

2 stops24h 30m

Lisbon Humberto Delgado

Fri 11/8

2 stops23h 33m

$869

OntarioLisbon Humberto Delgado

ONT - LIS

ONTLIS

Ontario

Fri 9/20

2 stops32h 45m

Lisbon Humberto Delgado

Mon 10/7

2 stops41h 07m

$929

OntarioLisbon Humberto Delgado

ONT - LIS

ONTLIS

Ontario

Sat 9/21

2 stops21h 10m

Lisbon Humberto Delgado

Sat 10/5

2 stops22h 32m

$941

OntarioLisbon Humberto Delgado

ONT - LIS

ONTLIS

Ontario

Wed 5/29

2 stops18h 15m

Lisbon Humberto Delgado

Wed 6/5

2 stops21h 43m

$976

OntarioPorto

ONT - OPO

ONTOPO

Ontario

Tue 8/20

2 stops17h 16m

Porto

Thu 9/12

2 stops19h 06m

$993

OntarioLisbon Humberto Delgado

ONT - LIS

ONTLIS

Ontario

Fri 9/20

2 stops27h 46m

Lisbon Humberto Delgado

Sat 10/5

2 stops20h 23m

$1,010

OntarioLisbon Humberto Delgado

ONT - LIS

ONTLIS

Ontario

Tue 6/25

2 stops26h 20m

Lisbon Humberto Delgado

Tue 7/16

2 stops20h 44m

$1,222

Flights are sorted by cheapest first

Deals found on 5/15

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

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 May 16, 2024.
Read through reviews of airlines operating flights from Ontario to Portugal, such as United Airlines, Air Canada and British Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
10,673 reviews
Check prices

Crew

8.6

Boarding

8.2

Comfort

7.9

Overall

8.0

Food

7.4

Entertainment

8.0

Reviews

1 / 10

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

Delta
8.0
Very good
10,673 reviews
Delta
8.0
Very good
10,673 reviews
Check prices

Crew

8.6

Boarding

8.2

Comfort

7.9

Overall

8.0

Food

7.4

Entertainment

8.0

Reviews

1 / 10

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

KLM
7.9
Good
1,568 reviews
Delta
8.0
Very good
10,673 reviews
Check prices

Crew

8.6

Boarding

8.2

Comfort

7.9

Overall

8.0

Food

7.4

Entertainment

8.0

Reviews

1 / 10

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

United Airlines
7.4
Good
10,924 reviews
Delta
8.0
Very good
10,673 reviews
Check prices

Crew

8.6

Boarding

8.2

Comfort

7.9

Overall

8.0

Food

7.4

Entertainment

8.0

Reviews

1 / 10

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

American Airlines
7.3
Good
14,514 reviews
Delta
8.0
Very good
10,673 reviews
Check prices

Crew

8.6

Boarding

8.2

Comfort

7.9

Overall

8.0

Food

7.4

Entertainment

8.0

Reviews

1 / 10

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

Iberia
7.1
Good
2,748 reviews
Delta
8.0
Very good
10,673 reviews
Check prices

Crew

8.6

Boarding

8.2

Comfort

7.9

Overall

8.0

Food

7.4

Entertainment

8.0

Reviews

1 / 10

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

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.

  • Can I find flights from Ontario to Portugal for under $800 on Cheapflights?

    Yes, there are multiple flights from Ontario to Portugal for under $800. The cheapest flight booked recently is on United Airlines for just $770, but on average you can expect to pay $982.

  • Are there last-minute flights available from Ontario to Portugal for under $1,000?

    There are currently 20+ open flights from Ontario to Portugal within the next 7 days for less than $1,000.

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

    $601 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 American Airlines, with prices starting from $828 and $873, 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.

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

    American Airlines, British Airways and Delta are the most popular airlines when flying from Ontario to Portugal.

  • What does ONT to LIS mean?

    ONT stands for Ontario Airport, while LIS stands for Lisbon Humberto Delgado Airport. These codes are often called IATA codes, a set of identifiers established by IATA (International Air Transport Association) that is widely used by airlines and the aviation industry. Ready for more IATA code knowledge? These are related airports for your current travel destination: 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 Ontario to Portugal that include extra baggage allowance?

    The amount of baggage you can bring on your Ontario to Portugal 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 Ontario to Portugal with specific airlines?

    Yes, Cheapflights allows you to browse and filter Ontario to Portugal 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 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.

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

    Many airlines flying from Ontario to Portugal 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 Ontario to Portugal?

    Yes, you can often find last-minute deals on Ontario to Portugal 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 Ontario to Portugal flight deals updated?

    The Ontario to Portugal flight deals you see on this page were last updated on 5/15.

See more FAQs

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Top 4 airlines flying from Ontario to Portugal

Discover the top 4 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 2,637,452 searches. Data last updated May 16, 2024.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$530Average$1,079FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
British AirwaysCheapest$582Average$697FlexibilityNo cancel feeOn-time70%
Search British Airways flights
DeltaCheapest$610Average$1,054FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
United AirlinesCheapest$800Average$880FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
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Search flights from Ontario to Portugal by cabin class

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

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Fly with Cheapflights

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How does Cheapflights help users find flights from Ontario to Portugal?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Portugal from Ontario today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Ontario to Portugal?

Cheapflights simply makes it quick and affordable to book flights from Ontario to Portugal by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Ontario to Portugal with no change fees?

Need flexible booking options for your flight to Portugal from Ontario? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Ontario to Portugal become cheaper?

Not ready to book yet? You can track prices for flights from Ontario to Portugal on Cheapflights with our Price Alert feature and get notified when better prices are available.

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