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Cheap flights from Ontario (ONT) to Portugal from $496

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 6/6. 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 14 — May 211
From?
To?
Tue 5/14
Tue 5/21
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 $999 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 2,752,338 searches. Data last updated May 9, 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.
Fri 9/207:40 amONT - LIS
2 stops43h 30mUnited Airlines
Sun 10/612:50 pmLIS - ONT
2 stops36h 27mUnited Airlines
Deal found 5/8$866
Mon 10/146:02 amONT - LIS
2 stops20h 28mUnited Airlines
Wed 10/2312:20 pmLIS - ONT
2 stops29h 38mUnited Airlines
Deal found 5/8$928
Mon 6/35:15 amONT - OPO
2 stops20h 30mUnited Airlines
Sun 6/99:00 amOPO - ONT
2 stops19h 48mUnited Airlines
Deal found 5/8$972
Sun 6/95:15 amONT - OPO
2 stops20h 30mUnited Airlines
Sun 6/169:00 amOPO - ONT
2 stops20h 03mUnited Airlines
Deal found 5/8$1,019
Thu 6/65:15 amONT - OPO
2 stops17h 40mUnited Airlines
Sun 6/169:00 amOPO - ONT
2 stops20h 03mUnited Airlines
Deal found 5/7$1,022
Sun 8/45:20 amONT - OPO
2 stops17h 35mUnited Airlines
Tue 8/206:00 amOPO - ONT
2 stops19h 56mUnited Airlines
Deal found 5/8$1,040
Sun 9/226:00 amONT - FAO
2 stops24h 30mUnited Airlines
Mon 9/303:25 pmFAO - ONT
2 stops34h 18mUnited Airlines
Deal found 5/8$1,057
Fri 9/206:25 pmONT - LIS
2 stops32h 10mUnited Airlines
Wed 10/25:05 amLIS - ONT
2 stops20h 38mUnited Airlines
Deal found 5/8$1,072
Tue 7/166:00 amONT - OPO
2 stops19h 45mUnited Airlines
Thu 7/259:00 amOPO - ONT
2 stops21h 45mUnited Airlines
Deal found 5/8$1,099

Cheap American Airlines flights from Ontario to Portugal

Explore cheap flight options specifically provided by American 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 2,752,338 searches. Data last updated May 9, 2024.
Browse through some of the cheapest American Airlines flights traveling from Ontario to Portugal. Check back soon if you're not seeing flights that suit your needs.
Thu 6/66:00 amONT - LIS
2 stops19h 05mAmerican Airlines
Thu 6/1312:30 pmLIS - ONT
2 stops19h 29mAmerican Airlines
Deal found 5/8$1,274
Fri 7/124:31 pmONT - LIS
2 stops22h 44mAmerican Airlines
Sat 8/311:05 amLIS - ONT
2 stops18h 10mAmerican Airlines
Deal found 5/8$1,649
Sun 7/216:10 amONT - LIS
2 stops18h 55mAmerican Airlines
Fri 7/2611:05 amLIS - ONT
2 stops18h 41mAmerican Airlines
Deal found 5/8$1,924
Tue 6/118:10 amONT - LIS
2 stops16h 55mAmerican Airlines
Sun 6/1612:30 pmLIS - ONT
2 stops19h 29mAmerican Airlines
Deal found 5/7$2,171
Mon 5/277:31 amONT - LIS
2 stops17h 34mAmerican Airlines
Sat 6/111:05 amLIS - ONT
2 stops20h 51mAmerican Airlines
Deal found 5/8$2,330
Wed 5/2210:34 amONT - OPO
2 stops17h 06mAmerican Airlines
Tue 5/288:15 amOPO - ONT
2 stops23h 41mAmerican Airlines
Deal found 5/8$2,498
Wed 5/2910:34 amONT - OPO
2 stops17h 06mAmerican Airlines
Sat 6/88:15 amOPO - ONT
2 stops21h 54mAmerican Airlines
Deal found 5/8$2,978
Wed 8/72:39 pmONT - OPO
2 stops17h 16mAmerican Airlines
Thu 8/158:15 amOPO - ONT
2 stops18h 33mAmerican Airlines
Deal found 5/8$3,333
Sun 6/22:50 pmONT - OPO
2 stops17h 05mAmerican Airlines
Sat 6/88:15 amOPO - ONT
2 stops23h 44mAmerican Airlines
Deal found 5/8$3,373

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 2,752,338 searches. Prices were last updated on May 9, 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 6/35:15 amONT - OPO
2 stops20h 30mUnited Airlines
Sun 6/99:00 amOPO - ONT
2 stops19h 48mUnited Airlines
Deal found 5/8$972
Sun 6/95:15 amONT - OPO
2 stops20h 30mUnited Airlines
Sun 6/169:00 amOPO - ONT
2 stops20h 03mUnited Airlines
Deal found 5/8$1,019
Thu 6/65:15 amONT - OPO
2 stops17h 40mUnited Airlines
Sun 6/169:00 amOPO - ONT
2 stops20h 03mUnited Airlines
Deal found 5/7$1,022
Tue 6/1111:59 pmONT - LIS
2 stops39h 16mBritish Airways
Wed 6/197:20 amLIS - ONT
2 stops24h 39mBritish Airways
Deal found 5/9$1,063
Tue 6/1111:59 pmONT - LIS
2 stops39h 16mBritish Airways
Wed 6/197:20 amLIS - ONT
2 stops22h 49mBritish Airways
Deal found 5/8$1,064
Sat 6/154:36 pmONT - LIS
2 stops46h 39mBritish Airways
Thu 7/46:45 pmLIS - ONT
2 stops32h 05mBritish Airways
Deal found 5/8$1,070
Thu 6/612:49 pmONT - LIS
2 stops18h 41mBritish Airways
Mon 6/176:45 pmLIS - ONT
2 stops35h 24mBritish Airways
Deal found 5/8$1,086
Thu 6/66:00 amONT - LIS
2 stops33h 05mMultiple Airlines
Mon 6/178:45 pmLIS - ONT
2 stops30h 12mMultiple Airlines
Deal found 5/9$1,095
Thu 6/62:44 pmONT - LIS
2 stops24h 21mBritish Airways
Tue 6/187:15 amLIS - ONT
2 stops19h 42mBritish Airways
Deal found 5/9$1,114

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 2,752,338 searches. Data last updated May 9, 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 8/146:20 amONT - LIS
2 stops19h 00mAir Canada
Wed 8/2111:25 amLIS - ONT
2 stops33h 07mAir Canada
Deal found 5/9$729
Tue 10/157:00 amONT - LIS
2 stops24h 30mMultiple Airlines
Wed 11/67:05 amLIS - ONT
2 stops23h 23mMultiple Airlines
Deal found 5/9$788
Thu 12/56:02 amONT - LIS
2 stops18h 08mUnited Airlines
Mon 12/911:00 amLIS - ONT
2 stops33h 33mUnited Airlines
Deal found 5/7$802
Thu 12/55:45 amONT - LIS
2 stops18h 25mUnited Airlines
Mon 12/910:15 amLIS - ONT
2 stops19h 06mUnited Airlines
Deal found 5/8$818
Tue 10/157:00 amONT - LIS
2 stops24h 30mMultiple Airlines
Sat 11/97:00 amLIS - ONT
2 stops23h 28mMultiple Airlines
Deal found 5/9$838
Fri 9/207:40 amONT - LIS
2 stops43h 30mUnited Airlines
Sun 10/612:50 pmLIS - ONT
2 stops36h 27mUnited Airlines
Deal found 5/8$866
Tue 7/166:00 amONT - OPO
2 stops25h 30mDelta
Thu 7/259:15 amOPO - ONT
2 stops21h 22mDelta
Deal found 5/9$869
Thu 12/510:40 amONT - OPO
2 stops21h 05mUnited Airlines
Mon 12/912:30 pmOPO - ONT
2 stops41h 35mUnited Airlines
Deal found 5/7$917
Thu 12/510:40 amONT - OPO
2 stops21h 05mUnited Airlines
Mon 12/912:30 pmOPO - ONT
2 stops41h 35mUnited Airlines
Deal found 5/8$918

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 2,752,338 searches. Data last updated May 9, 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 5/152:50 pmONT - LIS
2 stops24h 35mIberia
Wed 5/228:45 pmLIS - ONT
2 stops29h 37mIberia
Deal found 5/8$1,991
Wed 5/152:50 pmONT - LIS
2 stops24h 35mIberia
Sun 5/196:35 amLIS - ONT
2 stops25h 21mIberia
Deal found 5/8$2,176
Tue 5/142:50 pmONT - LIS
2 stops21h 15mIberia
Tue 5/2812:30 pmLIS - ONT
2 stops19h 26mIberia
Deal found 5/8$2,297
Thu 5/1612:50 pmONT - LIS
2 stops18h 40mBritish Airways
Wed 5/2211:05 amLIS - ONT
2 stops20h 51mBritish Airways
Deal found 5/9$2,414
Wed 5/1510:34 amONT - OPO
2 stops17h 06mIberia
Sat 5/1812:20 pmOPO - ONT
2 stops19h 36mIberia
Deal found 5/8$2,887
Wed 5/152:50 pmONT - LIS
2 stops21h 15mIberia
Sun 5/266:35 amLIS - ONT
2 stops25h 21mIberia
Deal found 5/8$4,997
Wed 5/1510:34 amONT - OPO
2 stops17h 06mIberia
Tue 5/288:15 amOPO - ONT
2 stops18h 07mIberia
Deal found 5/8$6,565
Wed 5/152:50 pmONT - LIS
2 stops24h 35mIberia
Sun 5/266:35 amLIS - ONT
2 stops25h 21mIberia
Deal found 5/8$7,520
Wed 5/152:50 pmONT - LIS
2 stops24h 35mIberia
Sun 5/266:35 amLIS - ONT
2 stops25h 21mIberia
Deal found 5/8$8,995

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 2,752,338 searches. Data last updated May 9, 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.
Thu 6/67:33 pmONT - LIS
3 stops39h 27mMultiple Airlines
Deal found 5/9$496
Tue 10/16:02 amONT - LIS
2 stops20h 28mUnited Airlines
Deal found 5/7$601
Sat 9/286:02 amONT - FAO
2 stops22h 33mUnited Airlines
Deal found 5/8$629
Fri 8/166:00 amONT - LIS
2 stops18h 20mUnited Airlines
Deal found 5/8$651
Sat 7/1310:36 pmONT - LIS
2 stops26h 29mAmerican Airlines
Deal found 5/8$655
Sat 9/216:00 amONT - LIS
2 stops20h 35mUnited Airlines
Deal found 5/8$657
Thu 6/69:40 pmONT - LIS
2 stops51h 55mMultiple Airlines
Deal found 5/9$697
Fri 7/196:00 amONT - LIS
2 stops18h 20mUnited Airlines
Deal found 5/8$736
Wed 10/27:18 amONT - LIS
3 stops19h 12mUnited Airlines
Deal found 5/8$744

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 2,752,338 searches. Data last updated May 9, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$788 - $1,274

Route

Depart

Return

Price

OntarioLisbon Humberto Delgado

ONT - LIS

ONTLIS

Ontario

Tue 10/15

2 stops24h 30m

Lisbon Humberto Delgado

Wed 11/6

2 stops23h 23m

$788

OntarioLisbon Humberto Delgado

ONT - LIS

ONTLIS

Ontario

Tue 10/15

2 stops24h 30m

Lisbon Humberto Delgado

Sat 11/9

2 stops23h 28m

$838

OntarioLisbon Humberto Delgado

ONT - LIS

ONTLIS

Ontario

Fri 9/20

2 stops43h 30m

Lisbon Humberto Delgado

Sun 10/6

2 stops36h 27m

$866

OntarioPorto

ONT - OPO

ONTOPO

Ontario

Tue 7/16

2 stops25h 30m

Porto

Thu 7/25

2 stops21h 22m

$869

OntarioLisbon Humberto Delgado

ONT - LIS

ONTLIS

Ontario

Sat 9/14

2 stops46h 30m

Lisbon Humberto Delgado

Mon 9/23

2 stops34h 57m

$925

OntarioLisbon Humberto Delgado

ONT - LIS

ONTLIS

Ontario

Mon 10/14

2 stops20h 28m

Lisbon Humberto Delgado

Wed 10/23

2 stops29h 38m

$928

OntarioLisbon Humberto Delgado

ONT - LIS

ONTLIS

Ontario

Tue 9/10

2 stops21h 10m

Lisbon Humberto Delgado

Sat 9/21

2 stops30h 33m

$969

OntarioPorto

ONT - OPO

ONTOPO

Ontario

Wed 6/5

2 stops17h 11m

Porto

Sat 6/22

2 stops18h 42m

$1,133

OntarioLisbon Humberto Delgado

ONT - LIS

ONTLIS

Ontario

Thu 6/6

2 stops19h 05m

Lisbon Humberto Delgado

Thu 6/13

2 stops19h 29m

$1,274

Flights are sorted by cheapest first

Deals found on 5/9

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 9, 2024.
Read through reviews of airlines operating flights from Ontario to Portugal, such as United Airlines, American Airlines and British Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.1
Very good
10,789 reviews
Check prices

Food

7.4

Comfort

7.9

Overall

8.1

Boarding

8.2

Crew

8.6

Entertainment

8.0

Reviews

1 / 10

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

Delta
8.1
Very good
10,789 reviews
Delta
8.1
Very good
10,789 reviews
Check prices

Food

7.4

Comfort

7.9

Overall

8.1

Boarding

8.2

Crew

8.6

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
1,592 reviews
Delta
8.1
Very good
10,789 reviews
Check prices

Food

7.4

Comfort

7.9

Overall

8.1

Boarding

8.2

Crew

8.6

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
11,043 reviews
Delta
8.1
Very good
10,789 reviews
Check prices

Food

7.4

Comfort

7.9

Overall

8.1

Boarding

8.2

Crew

8.6

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
14,677 reviews
Delta
8.1
Very good
10,789 reviews
Check prices

Food

7.4

Comfort

7.9

Overall

8.1

Boarding

8.2

Crew

8.6

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
2,745 reviews
Delta
8.1
Very good
10,789 reviews
Check prices

Food

7.4

Comfort

7.9

Overall

8.1

Boarding

8.2

Crew

8.6

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 Multiple Airlines for just $788, but on average you can expect to pay $985.

  • Are there last-minute flights available from Ontario to Portugal for under $2,000?

    There are currently 9+ open flights from Ontario to Portugal within the next 7 days for less than $2,000.

  • 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 American Airlines and Iberia, with prices starting from $655 and $769, 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 5/9.

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 2,752,338 searches. Data last updated May 9, 2024.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$530Average$1,101FlexibilityNo 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?

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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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