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Cheap flights from Ontario (ONT) to Portugal from $601

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 9/18. 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. 19 — may. 261
From?
To?
dom. 5/19
dom. 5/26
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 Delta flights from Ontario to Portugal

Explore cheap flight options specifically provided by Delta 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 2,632,958 searches. Data last updated mayo 14, 2024.
Take a peek at the cheapest Delta flights we've detected traveling from Ontario to Portugal. Make sure to check back often as deals are often changing.
mar. 6/112:15 pmONT - LIS
2 stops19h 45mDelta
mié. 6/1910:00 amLIS - ONT
2 stops17h 42mDelta
Deal found 5/13$1,053
vie. 7/126:00 amONT - LIS
2 stops24h 50mDelta
vie. 8/95:40 amLIS - ONT
2 stops19h 20mDelta
Deal found 5/13$1,096
mié. 7/176:55 amONT - LIS
2 stops17h 55mDelta
jue. 7/255:40 amLIS - ONT
2 stops18h 37mDelta
Deal found 5/13$1,133
lun. 7/86:53 amONT - OPO
2 stops24h 37mDelta
jue. 7/119:15 amOPO - ONT
2 stops21h 27mDelta
Deal found 5/12$1,197
dom. 5/1912:50 pmONT - OPO
2 stops18h 40mDelta
lun. 6/35:00 amOPO - ONT
2 stops19h 36mDelta
Deal found 5/13$1,980

Cheap British Airways flights from Ontario to Portugal

Explore cheap flight options specifically provided by British Airways 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 2,632,958 searches. Data last updated mayo 14, 2024.
Browse through some of the cheapest British Airways flights traveling from Ontario to Portugal. Check back soon if you're not seeing flights that suit your needs.
dom. 11/31:28 pmONT - LIS
2 stops20h 17mBritish Airways
lun. 11/116:35 pmLIS - ONT
2 stops37h 32mBritish Airways
Deal found 5/13$815
vie. 11/86:34 amONT - LIS
2 stops21h 36mBritish Airways
mié. 11/276:35 pmLIS - ONT
2 stops37h 32mBritish Airways
Deal found 5/13$819
lun. 11/412:51 pmONT - LIS
2 stops18h 04mBritish Airways
mié. 11/137:00 amLIS - ONT
2 stops25h 07mBritish Airways
Deal found 5/12$870
lun. 10/144:45 pmONT - LIS
2 stops22h 30mBritish Airways
mié. 10/2311:05 amLIS - ONT
2 stops20h 21mBritish Airways
Deal found 5/13$885
vie. 9/204:45 pmONT - LIS
2 stops22h 30mBritish Airways
dom. 9/296:45 pmLIS - ONT
2 stops34h 57mBritish Airways
Deal found 5/13$968
dom. 7/142:47 pmONT - LIS
2 stops24h 28mBritish Airways
mié. 7/314:30 pmLIS - ONT
2 stops34h 20mBritish Airways
Deal found 5/14$972
mié. 8/76:10 amONT - LIS
2 stops25h 30mBritish Airways
mar. 8/206:50 pmLIS - ONT
2 stops35h 13mBritish Airways
Deal found 5/13$974
lun. 9/304:45 pmONT - LIS
2 stops17h 20mBritish Airways
mié. 10/97:20 amLIS - ONT
2 stops22h 22mBritish Airways
Deal found 5/14$999
vie. 9/612:45 pmONT - LIS
2 stops18h 50mBritish Airways
mar. 9/177:15 amLIS - ONT
2 stops22h 27mBritish Airways
Deal found 5/14$1,022

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 2,632,958 searches. Prices were last updated on mayo 14, 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.
mar. 6/112:15 pmONT - LIS
2 stops19h 45mKLM
mié. 6/1912:45 pmLIS - ONT
2 stops18h 57mKLM
Deal found 5/14$1,053
vie. 6/145:15 amONT - OPO
2 stops20h 30mUnited Airlines
lun. 6/179:00 amOPO - ONT
2 stops19h 48mUnited Airlines
Deal found 5/14$1,147
mié. 6/122:44 pmONT - OPO
2 stops32h 51mIberia
mié. 6/198:35 pmOPO - ONT
2 stops30h 22mIberia
Deal found 5/13$1,228
mié. 6/511:59 pmONT - OPO
2 stops35h 56mAmerican Airlines
lun. 6/1012:20 pmOPO - ONT
2 stops19h 39mAmerican Airlines
Deal found 5/13$1,242
mié. 6/1912:49 pmONT - LIS
2 stops18h 51mBritish Airways
mié. 7/244:30 pmLIS - ONT
2 stops38h 10mBritish Airways
Deal found 5/14$1,263
mié. 6/195:15 amONT - OPO
2 stops20h 30mUnited Airlines
jue. 7/189:00 amOPO - ONT
2 stops19h 48mUnited Airlines
Deal found 5/13$1,272
mié. 6/192:44 pmONT - OPO
2 stops21h 11mIberia
mar. 7/212:25 pmOPO - ONT
2 stops19h 34mIberia
Deal found 5/13$1,286
dom. 6/92:44 pmONT - OPO
2 stops32h 51mIberia
mar. 6/188:15 amOPO - ONT
2 stops23h 44mIberia
Deal found 5/13$1,293
sáb. 6/152:44 pmONT - OPO
2 stops32h 51mIberia
jue. 7/48:35 pmOPO - ONT
2 stops54h 15mIberia
Deal found 5/13$1,307

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 2,632,958 searches. Data last updated mayo 14, 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.
jue. 12/56:00 amONT - LIS
2 stops18h 10mUnited Airlines
lun. 12/911:00 amLIS - ONT
2 stops33h 33mUnited Airlines
Deal found 5/12$762
jue. 12/510:59 pmONT - LIS
2 stops26h 01mDelta
lun. 12/910:00 amLIS - ONT
2 stops21h 51mDelta
Deal found 5/13$778
dom. 11/31:28 pmONT - LIS
2 stops20h 17mBritish Airways
lun. 11/116:35 pmLIS - ONT
2 stops37h 32mBritish Airways
Deal found 5/13$815
vie. 11/86:34 amONT - LIS
2 stops21h 36mBritish Airways
mié. 11/276:35 pmLIS - ONT
2 stops37h 32mBritish Airways
Deal found 5/13$819
dom. 12/2910:40 amONT - OPO
2 stops21h 05mUnited Airlines
vie. 1/106:00 amOPO - ONT
2 stops22h 17mUnited Airlines
Deal found 5/13$837
lun. 11/412:51 pmONT - LIS
2 stops18h 04mBritish Airways
mié. 11/137:00 amLIS - ONT
2 stops25h 07mBritish Airways
Deal found 5/12$870
mié. 11/206:34 amONT - LIS
2 stops21h 26mBritish Airways
lun. 11/2512:55 pmLIS - ONT
2 stops36h 53mBritish Airways
Deal found 5/13$874
lun. 10/144:45 pmONT - LIS
2 stops22h 30mBritish Airways
mié. 10/2311:05 amLIS - ONT
2 stops20h 21mBritish Airways
Deal found 5/13$885
dom. 12/2910:40 amONT - OPO
2 stops21h 05mUnited Airlines
sáb. 1/116:00 amOPO - ONT
2 stops24h 05mUnited Airlines
Deal found 5/13$887

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 2,632,958 searches. Data last updated mayo 14, 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.
lun. 5/206:00 amONT - LIS
2 stops18h 20mUnited Airlines
lun. 5/275:05 amLIS - ONT
2 stops39h 40mUnited Airlines
Deal found 5/14$1,577
mar. 5/216:00 amONT - LIS
2 stops19h 05mAmerican Airlines
mar. 5/286:35 amLIS - ONT
2 stops25h 21mAmerican Airlines
Deal found 5/13$1,710
jue. 5/2312:59 amONT - LIS
2 stops24h 06mAmerican Airlines
mar. 5/286:35 amLIS - ONT
2 stops25h 21mAmerican Airlines
Deal found 5/13$1,760
vie. 5/247:31 amONT - LIS
2 stops17h 34mAmerican Airlines
mar. 5/286:35 amLIS - ONT
2 stops25h 21mAmerican Airlines
Deal found 5/13$1,762
mar. 5/215:15 amONT - LIS
2 stops20h 05mMultiple Airlines
lun. 5/2711:25 amLIS - ONT
2 stops33h 08mMultiple Airlines
Deal found 5/13$1,959
vie. 5/242:45 pmONT - LIS
2 stops24h 40mIberia
jue. 5/306:35 amLIS - ONT
2 stops25h 21mIberia
Deal found 5/14$1,969
dom. 5/1912:50 pmONT - OPO
2 stops18h 40mDelta
lun. 6/35:00 amOPO - ONT
2 stops19h 36mDelta
Deal found 5/13$1,980
mié. 5/226:00 amONT - LIS
2 stops19h 05mAmerican Airlines
mar. 5/286:35 amLIS - ONT
2 stops25h 21mAmerican Airlines
Deal found 5/14$2,045
jue. 5/2312:59 amONT - LIS
2 stops24h 06mAmerican Airlines
jue. 5/306:35 amLIS - ONT
2 stops25h 21mAmerican Airlines
Deal found 5/14$2,095

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 2,632,958 searches. Data last updated mayo 14, 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.
mié. 9/186:00 amONT - LIS
2 stops20h 30mUnited Airlines
Deal found 5/13$601
lun. 9/236:00 amONT - LIS
2 stops20h 30mUnited Airlines
Deal found 5/12$607
sáb. 10/126:02 amONT - LIS
2 stops20h 33mUnited Airlines
Deal found 5/13$650
sáb. 8/176:00 amONT - LIS
2 stops20h 35mUnited Airlines
Deal found 5/13$651
sáb. 9/216:00 amONT - LIS
2 stops20h 35mUnited Airlines
Deal found 5/13$657
dom. 10/66:02 amONT - LIS
2 stops20h 28mUnited Airlines
Deal found 5/13$689
mié. 9/186:00 amONT - LIS
2 stops20h 30mUnited Airlines
Deal found 5/13$692
vie. 9/206:00 amONT - LIS
2 stops20h 30mUnited Airlines
Deal found 5/13$736
dom. 10/66:02 amONT - OPO
2 stops19h 43mUnited Airlines
Deal found 5/13$762

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 2,632,958 searches. Data last updated mayo 14, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$815 - $1,137

Route

Depart

Return

Price

OntarioLisbon Humberto Delgado

ONT - LIS

ONTLIS

Ontario

dom. 11/3

2 stops20h 17m

Lisbon Humberto Delgado

lun. 11/11

2 stops37h 32m

$815

OntarioLisbon Humberto Delgado

ONT - LIS

ONTLIS

Ontario

vie. 11/8

2 stops21h 36m

Lisbon Humberto Delgado

mié. 11/27

2 stops37h 32m

$819

OntarioPorto

ONT - OPO

ONTOPO

Ontario

vie. 9/27

2 stops20h 30m

Porto

mié. 10/30

2 stops21h 25m

$923

OntarioLisbon Humberto Delgado

ONT - LIS

ONTLIS

Ontario

sáb. 10/12

2 stops35h 50m

Lisbon Humberto Delgado

dom. 10/27

2 stops37h 40m

$932

OntarioLisbon Humberto Delgado

ONT - LIS

ONTLIS

Ontario

jue. 9/26

2 stops24h 25m

Lisbon Humberto Delgado

mié. 10/9

2 stops23h 18m

$983

OntarioPorto

ONT - OPO

ONTOPO

Ontario

mar. 7/16

2 stops23h 55m

Porto

jue. 7/25

2 stops21h 22m

$1,009

OntarioLisbon Humberto Delgado

ONT - LIS

ONTLIS

Ontario

mar. 6/11

2 stops19h 45m

Lisbon Humberto Delgado

mié. 6/19

2 stops17h 42m

$1,053

OntarioLisbon Humberto Delgado

ONT - LIS

ONTLIS

Ontario

lun. 9/16

2 stops26h 05m

Lisbon Humberto Delgado

vie. 9/20

2 stops23h 01m

$1,127

OntarioPorto

ONT - OPO

ONTOPO

Ontario

mié. 9/11

2 stops17h 03m

Porto

dom. 9/22

2 stops19h 06m

$1,137

Flights are sorted by cheapest first

Deals found on 5/13

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 mayo 14, 2024.
Read through reviews of airlines operating flights from Ontario to Portugal, such as Delta, British Airways and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
10,706 reviews
Check prices

Comfort

7.9

Crew

8.6

Boarding

8.2

Food

7.4

Entertainment

8.0

Overall

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
10,706 reviews
Delta
8.0
Very good
10,706 reviews
Check prices

Comfort

7.9

Crew

8.6

Boarding

8.2

Food

7.4

Entertainment

8.0

Overall

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
1,569 reviews
Delta
8.0
Very good
10,706 reviews
Check prices

Comfort

7.9

Crew

8.6

Boarding

8.2

Food

7.4

Entertainment

8.0

Overall

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
10,959 reviews
Delta
8.0
Very good
10,706 reviews
Check prices

Comfort

7.9

Crew

8.6

Boarding

8.2

Food

7.4

Entertainment

8.0

Overall

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
14,561 reviews
Delta
8.0
Very good
10,706 reviews
Check prices

Comfort

7.9

Crew

8.6

Boarding

8.2

Food

7.4

Entertainment

8.0

Overall

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
10,706 reviews
Check prices

Comfort

7.9

Crew

8.6

Boarding

8.2

Food

7.4

Entertainment

8.0

Overall

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 $900 on Cheapflights?

    Yes, there are multiple flights from Ontario to Portugal for under $900. The cheapest flight booked recently is on British Airways for just $815, but on average you can expect to pay $975.

  • Are there last-minute flights available from Ontario to Portugal for under $1,600?

    There are currently 20+ open flights from Ontario to Portugal within the next 7 days for less than $1,600.

  • 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 Air Canada and American Airlines, with prices starting from $857 and $874, 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 5/13.

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 2,632,958 searches. Data last updated mayo 14, 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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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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