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Cheap flights from Ontario (ONT) to Porto (OPO) from $722

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/12. 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.
ONT — OPO
Nis 29 — May 61
From?
To?
Pzt 4/29
Pzt 5/6
1 adult, Economy
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How far in advance should I book a flight from Ontario to Porto?

To save on the cost of your flight from Ontario to Porto, book at least 43 days before your planned departure. Booking around this time can save you about 82% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $759 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $1,357.

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

January is one of the best times of the year to fly to Porto from Ontario. Prices for January average $1,148 per person but you can even find prices for as low as $509. The most expensive prices can be found in the month of July. Opting for a January flight can save you 45% on your journey compared to booking in July

When is the cheapest time to fly from Ontario to Porto (ONT - OPO)?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Ontario to Porto as you normally would.

Cheap British Airways flights from Ontario to Porto

Explore cheap flight options specifically provided by British Airways for the route between Ontario and Porto. 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 3,086,534 searches. Data last updated Nisan 24, 2024.
Consider these cheap British Airways flights we've found departing from Ontario to Porto. Be sure to come back soon if the deals available don't appeal to you at this time.
Sal 10/152:52 pmONT - OPO
2 stops20h 23mBritish Airways
Sal 10/228:25 pmOPO - ONT
2 stops29h 08mBritish Airways
Deal found 4/23$875
Pzt 10/1412:45 pmONT - OPO
2 stops22h 50mBritish Airways
Sal 10/228:25 pmOPO - ONT
2 stops29h 08mBritish Airways
Deal found 4/23$903

Cheap Iberia flights from Ontario to Porto

Explore cheap flight options specifically provided by Iberia for the route between Ontario and Porto. 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 3,086,534 searches. Data last updated Nisan 24, 2024.
Browse through some of the cheapest Iberia flights traveling from Ontario to Porto. Ensure the flight price, dates, time, and airline match your criteria before you book.
Cmt 10/122:52 pmONT - OPO
2 stops17h 03mIberia
Cum 10/2512:20 pmOPO - ONT
2 stops19h 06mIberia
Deal found 4/23$1,033
Sal 10/152:52 pmONT - OPO
2 stops17h 03mIberia
Paz 10/2012:20 pmOPO - ONT
2 stops19h 06mIberia
Deal found 4/23$1,111
Sal 9/1712:45 pmONT - OPO
2 stops23h 10mIberia
Pzt 9/308:35 pmOPO - ONT
2 stops34h 51mIberia
Deal found 4/23$1,370
Cmt 7/132:40 pmONT - OPO
2 stops17h 15mIberia
Paz 8/48:15 amOPO - ONT
2 stops18h 35mIberia
Deal found 4/23$2,773
Paz 7/142:40 pmONT - OPO
2 stops17h 15mIberia
Sal 7/3012:20 pmOPO - ONT
2 stops19h 29mIberia
Deal found 4/23$2,826
Paz 7/142:40 pmONT - OPO
2 stops17h 15mIberia
Pzt 7/2912:20 pmOPO - ONT
2 stops19h 29mIberia
Deal found 4/23$2,926
Çar 7/102:40 pmONT - OPO
2 stops17h 15mIberia
Sal 7/3012:20 pmOPO - ONT
2 stops19h 29mIberia
Deal found 4/23$3,211
Sal 6/258:10 amONT - OPO
2 stops19h 30mIberia
Paz 7/712:20 pmOPO - ONT
2 stops38h 30mIberia
Deal found 4/22$3,961
Cmt 7/610:48 amONT - OPO
2 stops16h 52mIberia
Sal 8/612:20 pmOPO - ONT
2 stops19h 06mIberia
Deal found 4/22$4,051

Cheap Ontario to Porto flights in April & May 2024

Find cheap flight options from Ontario to Porto specifically for the months of April and May 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,086,534 searches. Prices were last updated on Nisan 24, 2024.
Listed are some of the best fares we've found on flights departing from Ontario to Porto in 2024. More deals are always being added, so be sure to check back regularly.
Paz 5/125:20 pmONT - OPO
2 stops20h 55mKLM
Pzt 5/204:20 pmOPO - ONT
2 stops33h 42mKLM
Deal found 4/22$1,400
Sal 4/232:53 pmONT - OPO
2 stops17h 02mIberia
Sal 4/3012:25 pmOPO - ONT
2 stops19h 32mIberia
Deal found 4/22$1,751
Per 5/162:50 pmONT - OPO
2 stops17h 05mIberia
Çar 5/2912:25 pmOPO - ONT
2 stops19h 31mIberia
Deal found 4/22$1,818
Çar 5/222:50 pmONT - OPO
2 stops17h 05mIberia
Çar 5/2912:25 pmOPO - ONT
2 stops19h 31mIberia
Deal found 4/21$2,841
Paz 5/1212:50 pmONT - OPO
3 stops19h 05mAmerican Airlines
Pzt 5/208:15 amOPO - ONT
2 stops18h 44mAmerican Airlines
Deal found 4/22$3,449
Sal 4/2310:46 amONT - OPO
2 stops16h 59mMultiple Airlines
Pzt 5/138:15 amOPO - ONT
2 stops18h 07mMultiple Airlines
Deal found 4/21$3,739

Ontario to Porto 2024 flight deals

Discover exclusive flight deals for travel between Ontario and Porto in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,086,534 searches. Data last updated Nisan 24, 2024.
Listed are some of the best fares we've found on flights departing from Ontario to Porto in 2024. More deals are always being added, so be sure to check back regularly.
Sal 11/1210:40 amONT - OPO
2 stops21h 05mUnited Airlines
Çar 11/206:00 amOPO - ONT
2 stops22h 17mUnited Airlines
Deal found 4/23$722
Sal 12/310:40 amONT - OPO
2 stops21h 05mUnited Airlines
Paz 12/86:00 amOPO - ONT
2 stops24h 05mUnited Airlines
Deal found 4/22$772
Per 12/56:00 amONT - OPO
2 stops44h 30mDelta
Pzt 12/911:45 amOPO - ONT
2 stops42h 43mDelta
Deal found 4/22$801
Paz 11/103:01 pmONT - OPO
2 stops16h 59mIberia
Paz 11/2412:25 pmOPO - ONT
2 stops19h 42mIberia
Deal found 4/22$972
Sal 11/1211:11 pmONT - OPO
2 stops24h 29mAmerican Airlines
Çar 11/208:20 amOPO - ONT
3 stops32h 21mAmerican Airlines
Deal found 4/23$1,010
Sal 7/165:20 amONT - OPO
2 stops17h 35mUnited Airlines
Per 7/259:00 amOPO - ONT
2 stops21h 45mUnited Airlines
Deal found 4/23$1,017
Çar 7/176:00 amONT - OPO
2 stops19h 45mUnited Airlines
Per 7/259:00 amOPO - ONT
2 stops21h 45mUnited Airlines
Deal found 4/23$1,067
Cmt 8/32:40 pmONT - OPO
2 stops17h 15mIberia
Per 8/2212:20 pmOPO - ONT
2 stops19h 06mIberia
Deal found 4/22$1,088
Cum 9/132:52 pmONT - OPO
2 stops17h 03mIberia
Cum 10/412:20 pmOPO - ONT
2 stops19h 06mIberia
Deal found 4/21$1,203

One-way flights to Porto from Ontario

Search for one-way flight options from Ontario to Porto. 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 3,086,534 searches. Data last updated Nisan 24, 2024.
Take a look at some of the best available options we've come across on one-way flights from Ontario to Porto. Those seeking round-trip flights from Ontario to Porto should utilize the search form at the the top of the page.
Paz 7/215:20 amONT - OPO
2 stops17h 35mUnited Airlines
Deal found 4/23$762
Cmt 7/2011:59 pmONT - OPO
2 stops35h 56mAmerican Airlines
Deal found 4/23$793
Sal 10/111:49 pmONT - OPO
2 stops27h 26mMultiple Airlines
Deal found 4/23$877
Per 7/185:20 amONT - OPO
2 stops17h 35mUnited Airlines
Deal found 4/23$881
Pzt 10/1411:49 pmONT - OPO
2 stops27h 21mMultiple Airlines
Deal found 4/23$907
Per 6/2712:58 amONT - OPO
3 stops31h 57mMultiple Airlines
Deal found 4/23$908
Cmt 8/316:00 amONT - OPO
2 stops26h 25mMultiple Airlines
Deal found 4/23$1,007
Cmt 7/66:35 pmONT - OPO
2 stops28h 20mUnited Airlines
Deal found 4/22$1,038
Pzt 6/178:10 amONT - OPO
2 stops27h 45mAmerican Airlines
Deal found 4/23$1,045

Find flights from Ontario to Porto within your budget

Customize your flight search to find flights from Ontario to Porto 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 3,086,534 searches. Data last updated Nisan 24, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$875 - $1,221

Route

Depart

Return

Price

OntarioPorto

ONT - OPO

ONTOPO

Ontario

Sal 10/15

2 stops20h 23m

Porto

Sal 10/22

2 stops29h 08m

$875

OntarioPorto

ONT - OPO

ONTOPO

Ontario

Pzt 10/14

2 stops22h 50m

Porto

Sal 10/22

2 stops29h 08m

$903

OntarioPorto

ONT - OPO

ONTOPO

Ontario

Sal 7/16

2 stops17h 35m

Porto

Per 7/25

2 stops21h 45m

$1,017

OntarioPorto

ONT - OPO

ONTOPO

Ontario

Cmt 10/12

2 stops17h 03m

Porto

Cum 10/25

2 stops19h 06m

$1,033

OntarioPorto

ONT - OPO

ONTOPO

Ontario

Pzt 10/14

2 stops25h 30m

Porto

Paz 10/20

2 stops26h 51m

$1,047

OntarioPorto

ONT - OPO

ONTOPO

Ontario

Pzt 10/14

2 stops18h 55m

Porto

Pzt 10/21

2 stops38h 08m

$1,060

OntarioPorto

ONT - OPO

ONTOPO

Ontario

Çar 7/17

2 stops19h 45m

Porto

Per 7/25

2 stops21h 45m

$1,067

OntarioPorto

ONT - OPO

ONTOPO

Ontario

Sal 10/15

2 stops17h 03m

Porto

Paz 10/20

2 stops19h 06m

$1,111

OntarioPorto

ONT - OPO

ONTOPO

Ontario

Paz 8/25

2 stops17h 03m

Porto

Sal 9/10

2 stops41h 18m

$1,221

Flights are sorted by cheapest first

Deals found on 4/23

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

Reviews of airlines servicing Porto

Get insights into the airlines that provide service to Porto. 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 Porto. Reviews last updated Nisan 24, 2024.
Read reviews from past customers who have flown British Airways, Iberia and American Airlines from Ontario to Porto. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.1
Very good
11,004 reviews
Check prices

Comfort

7.9

Boarding

8.2

Entertainment

8.0

Food

7.5

Crew

8.6

Overall

8.1

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
11,004 reviews
Delta
8.1
Very good
11,004 reviews
Check prices

Comfort

7.9

Boarding

8.2

Entertainment

8.0

Food

7.5

Crew

8.6

Overall

8.1

Reviews

1 / 10

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

KLM
7.9
Good
1,629 reviews
Delta
8.1
Very good
11,004 reviews
Check prices

Comfort

7.9

Boarding

8.2

Entertainment

8.0

Food

7.5

Crew

8.6

Overall

8.1

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
11,272 reviews
Delta
8.1
Very good
11,004 reviews
Check prices

Comfort

7.9

Boarding

8.2

Entertainment

8.0

Food

7.5

Crew

8.6

Overall

8.1

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
14,898 reviews
Delta
8.1
Very good
11,004 reviews
Check prices

Comfort

7.9

Boarding

8.2

Entertainment

8.0

Food

7.5

Crew

8.6

Overall

8.1

Reviews

1 / 10

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

Iberia
7.1
Good
2,772 reviews
Delta
8.1
Very good
11,004 reviews
Check prices

Comfort

7.9

Boarding

8.2

Entertainment

8.0

Food

7.5

Crew

8.6

Overall

8.1

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 Porto. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    Yes, there are multiple flights from Ontario to Porto for under $900. The cheapest flight booked recently is on British Airways for just $875, but on average you can expect to pay $1,345.

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

    $762 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 KLM, with prices starting from $793 and $1,426, respectively.

  • What does ONT to OPO mean?

    Ontario Airport is ONT and Porto Airport is OPO. 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.

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

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

    Yes, Cheapflights allows you to browse and filter Ontario to Porto 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 Porto that include hotel bookings?

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

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

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

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

    Yes. Cheapflights offers flight deals from Ontario to Porto 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 Porto that allow pets onboard?

    Many airlines flying from Ontario to Porto 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 Porto?

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

    The Ontario to Porto flight deals you see on this page were last updated on 4/23.

See more FAQs

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Search flights from Ontario to Porto by cabin class

Find flights from Ontario to Porto, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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Fly with Cheapflights

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

Cheapflights helps you search for flights from Ontario to Porto via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Ontario to Porto.

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

Certainly. Search results for flights to Porto from Ontario shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Of course! You can now track prices for flights from Ontario to Porto and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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