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

$775 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 Iberia and British Airways, with prices starting from $875 and $1,046, respectively.

Currently, January is the cheapest month in which you can book a flight from Ontario to Porto (average of $523). Flying from Ontario to Porto in June is currently the most expensive (average of $1,016). 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.

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 5/8.

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 United Airlines for just $873, but on average you can expect to pay $1,156.

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.

Flights from Ontario, CA to Porto, Portugal from $775

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

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 12 days before your planned departure. Booking around this time can save you about 40% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $698 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 $1,054 per person but you can even find prices for as low as $506. The most expensive prices can be found in the month of June. Opting for a January flight can save you 33% on your journey compared to booking in June

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 United Airlines flights from Ontario to Porto

Consider these cheap United Airlines 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.

Sun 11/310:40 amONT - OPO

2 stops21h 05mUnited Airlines

Sun 11/176:00 amOPO - ONT

2 stops22h 17mUnited Airlines

Deal found 5/7$873

Fri 8/165:20 amONT - OPO

2 stops17h 35mUnited Airlines

Mon 8/266:00 amOPO - ONT

2 stops19h 56mUnited Airlines

Deal found 5/7$944

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

Tue 7/166:00 amONT - OPO

2 stops16h 55mUnited Airlines

Thu 7/259:00 amOPO - ONT

2 stops21h 45mUnited Airlines

Deal found 5/8$999

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 8/186:00 amONT - OPO

2 stops19h 45mUnited Airlines

Sat 8/316:00 amOPO - ONT

2 stops19h 56mUnited Airlines

Deal found 5/7$1,045

Mon 7/156:00 amONT - OPO

2 stops19h 45mUnited Airlines

Thu 7/189:00 amOPO - ONT

2 stops20h 11mUnited Airlines

Deal found 5/7$1,096

Sun 7/146:00 amONT - OPO

2 stops19h 45mUnited Airlines

Thu 7/259:00 amOPO - ONT

2 stops21h 45mUnited Airlines

Deal found 5/7$1,107

Sat 7/135:20 amONT - OPO

2 stops20h 25mUnited Airlines

Thu 7/259:00 amOPO - ONT

2 stops21h 45mUnited Airlines

Deal found 5/8$1,147

Cheap Iberia flights from Ontario to Porto

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.

Mon 9/232:52 pmONT - OPO

2 stops17h 03mIberia

Thu 10/312:20 pmOPO - ONT

2 stops19h 06mIberia

Deal found 5/7$1,123

Sun 8/182:39 pmONT - OPO

2 stops21h 16mIberia

Thu 9/1212:20 pmOPO - ONT

2 stops19h 06mIberia

Deal found 5/7$1,161

Wed 10/162:52 pmONT - OPO

2 stops17h 03mIberia

Wed 10/308:20 amOPO - ONT

2 stops22h 47mIberia

Deal found 5/7$1,234

Mon 8/52:40 pmONT - OPO

2 stops17h 15mIberia

Sun 9/812:20 pmOPO - ONT

2 stops19h 06mIberia

Deal found 5/7$1,267

Thu 7/410:54 amONT - OPO

2 stops36h 41mIberia

Wed 7/108:35 pmOPO - ONT

2 stops30h 15mIberia

Deal found 5/8$1,278

Sat 6/86:00 amONT - OPO

2 stops41h 35mIberia

Mon 6/174:35 pmOPO - ONT

2 stops39h 24mIberia

Deal found 5/7$1,453

Sun 9/1510:50 amONT - OPO

2 stops21h 05mIberia

Sat 9/214:35 pmOPO - ONT

2 stops38h 51mIberia

Deal found 5/7$1,596

Thu 8/292:39 pmONT - OPO

2 stops17h 16mIberia

Sun 9/1512:20 pmOPO - ONT

2 stops19h 06mIberia

Deal found 5/6$1,667

Sat 7/62:40 pmONT - OPO

2 stops17h 15mIberia

Sat 7/1312:20 pmOPO - ONT

2 stops19h 29mIberia

Deal found 5/7$1,708

Cheap Ontario to Porto flights in May & June 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.

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

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

Sat 5/257:31 amONT - OPO

2 stops28h 14mBritish Airways

Tue 6/412:25 pmOPO - ONT

2 stops19h 30mBritish Airways

Deal found 5/7$1,280

Fri 5/242:45 pmONT - OPO

2 stops45h 00mBritish Airways

Wed 6/58:15 amOPO - ONT

2 stops23h 44mBritish Airways

Deal found 5/7$1,289

Sun 6/1611:59 pmONT - OPO

2 stops35h 36mBritish Airways

Sun 6/308:35 pmOPO - ONT

2 stops35h 24mBritish Airways

Deal found 5/7$1,403

Thu 5/306:00 amONT - OPO

2 stops43h 35mBritish Airways

Mon 6/312:20 pmOPO - ONT

2 stops19h 36mBritish Airways

Deal found 5/7$1,405

Thu 5/92:13 pmONT - OPO

2 stops17h 27mDelta

Wed 5/225:00 amOPO - ONT

2 stops19h 36mDelta

Deal found 5/8$1,433

Sat 6/86:00 amONT - OPO

2 stops41h 35mIberia

Mon 6/174:35 pmOPO - ONT

2 stops39h 24mIberia

Deal found 5/7$1,453

Sat 6/156:00 amONT - OPO

2 stops29h 45mBritish Airways

Sun 7/148:35 pmOPO - ONT

2 stops35h 14mBritish Airways

Deal found 5/7$1,595

Ontario to Porto 2024 flight deals

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.

Sun 11/310:40 amONT - OPO

2 stops21h 05mUnited Airlines

Sun 11/176:00 amOPO - ONT

2 stops22h 17mUnited Airlines

Deal found 5/7$873

Thu 12/510:40 amONT - OPO

2 stops21h 05mUnited Airlines

Mon 12/912:30 pmOPO - ONT

2 stops41h 35mUnited Airlines

Deal found 5/6$917

Fri 8/165:20 amONT - OPO

2 stops17h 35mUnited Airlines

Mon 8/266:00 amOPO - ONT

2 stops19h 56mUnited Airlines

Deal found 5/7$944

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

Tue 7/166:00 amONT - OPO

2 stops16h 55mUnited Airlines

Thu 7/259:00 amOPO - ONT

2 stops21h 45mUnited Airlines

Deal found 5/8$999

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 8/186:00 amONT - OPO

2 stops19h 45mUnited Airlines

Sat 8/316:00 amOPO - ONT

2 stops19h 56mUnited Airlines

Deal found 5/7$1,045

Mon 7/156:00 amONT - OPO

2 stops19h 45mUnited Airlines

Thu 7/189:00 amOPO - ONT

2 stops20h 11mUnited Airlines

Deal found 5/7$1,096

Sun 7/146:00 amONT - OPO

2 stops19h 45mUnited Airlines

Thu 7/259:00 amOPO - ONT

2 stops21h 45mUnited Airlines

Deal found 5/7$1,107

One-way flights to Porto from Ontario

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.

Sat 7/131:45 pmONT - OPO

2 stops33h 10mUnited Airlines

Deal found 5/8$775

Mon 7/86:00 amONT - OPO

2 stops19h 45mUnited Airlines

Deal found 5/7$782

Thu 10/311:00 pmONT - OPO

2 stops16h 50mMultiple Airlines

Deal found 5/7$869

Sat 10/262:52 pmONT - OPO

2 stops18h 08mIberia

Deal found 5/7$875

Sun 7/712:59 amONT - OPO

2 stops34h 36mBritish Airways

Deal found 5/7$1,046

Fri 10/2512:45 pmONT - OPO

2 stops19h 10mIberia

Deal found 5/7$1,123

Sun 10/273:01 pmONT - OPO

2 stops17h 59mIberia

Deal found 5/7$1,165

Fri 5/2411:40 pmONT - OPO

2 stops27h 35mMultiple Airlines

Deal found 5/7$1,170

Thu 6/2711:59 pmONT - OPO

2 stops26h 56mMultiple Airlines

Deal found 5/7$1,190

Find flights from Ontario to Porto within your budget

Fly from

Fly to

Budget

$873 - $2,105

Route

Depart

Return

Price

OntarioPorto

ONT - OPO

ONTOPO

Ontario

Sun 11/3

2 stops21h 05m

Porto

Sun 11/17

2 stops22h 17m

$873

OntarioPorto

ONT - OPO

ONTOPO

Ontario

Fri 8/16

2 stops17h 35m

Porto

Mon 8/26

2 stops19h 56m

$944

OntarioPorto

ONT - OPO

ONTOPO

Ontario

Mon 6/3

2 stops20h 30m

Porto

Sun 6/9

2 stops19h 48m

$972

OntarioPorto

ONT - OPO

ONTOPO

Ontario

Tue 7/16

2 stops16h 55m

Porto

Thu 7/25

2 stops21h 45m

$999

OntarioPorto

ONT - OPO

ONTOPO

Ontario

Mon 9/23

2 stops17h 03m

Porto

Thu 10/3

2 stops19h 06m

$1,123

OntarioPorto

ONT - OPO

ONTOPO

Ontario

Sun 8/18

2 stops21h 16m

Porto

Thu 9/12

2 stops19h 06m

$1,161

OntarioPorto

ONT - OPO

ONTOPO

Ontario

Sat 5/25

2 stops28h 14m

Porto

Tue 6/4

2 stops19h 30m

$1,280

OntarioPorto

ONT - OPO

ONTOPO

Ontario

Tue 9/3

2 stops16h 59m

Porto

Tue 9/17

2 stops19h 06m

$1,410

OntarioPorto

ONT - OPO

ONTOPO

Ontario

Sun 8/4

2 stops17h 08m

Porto

Mon 8/12

2 stops21h 48m

$2,105

Flights are sorted by cheapest first

Deals found on 5/7

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

Reviews of airlines servicing Porto

Read reviews from past customers who have flown United Airlines, Iberia and British Airways from Ontario to Porto. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

United Airlines

7.4

Good

11,043 reviews

Check prices

Reviews

1 / 10

Everything was executed efficiently, orderly and with a caring and pleasant manner

United Airlines

7.4

Good

11,043 reviews

United Airlines

7.4

Good

11,043 reviews

Check prices

Reviews

1 / 10

Everything was executed efficiently, orderly and with a caring and pleasant manner

American Airlines

7.3

Good

14,677 reviews

United Airlines

7.4

Good

11,043 reviews

Check prices

Reviews

1 / 10

Everything was executed efficiently, orderly and with a caring and pleasant manner

Iberia

7.1

Good

2,745 reviews

United Airlines

7.4

Good

11,043 reviews

Check prices

Reviews

1 / 10

Everything was executed efficiently, orderly and with a caring and pleasant manner

British Airways

6.8

Okay

6,868 reviews

United Airlines

7.4

Good

11,043 reviews

Check prices

Reviews

1 / 10

Everything was executed efficiently, orderly and with a caring and pleasant manner

Related info for your journey

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 United Airlines for just $873, but on average you can expect to pay $1,156.
What are the cheapest airlines to fly from Ontario to Porto one-way?
$775 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 Iberia and British Airways, with prices starting from $875 and $1,046, 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 5/8.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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

San Francisco to Lisbon flights

Los Angeles to Lisbon flights

San Jose to Lisbon flights

Los Angeles to Porto flights

San Diego to Lisbon flights

Santa Ana to Lisbon flights

Ontario to Lisbon flights

San Francisco to Porto flights

Oakland to Lisbon flights

Sacramento to Lisbon flights

Los Angeles to Faro flights

Los Angeles to Ponta Delgada flights

San Francisco to Ponta Delgada flights

San Diego to Porto flights

Santa Rosa to Lisbon flights

San Jose to Porto flights

Reno to Lisbon flights

San Francisco to Lajes flights

Los Angeles to Funchal flights

Burbank to Lisbon flights

Santa Ana to Porto flights

San Francisco to Funchal flights

Ontario to Faro flights

San Francisco to Faro flights

Los Angeles to Lajes flights

Santa Ana to Faro flights

San Francisco to Velas flights

Oakland to Lajes flights

San Diego to Ponta Delgada flights

Palm Springs to Lisbon flights

Oakland to Porto flights

San Francisco to Pico Island flights

San Francisco to Horta flights

San Diego to Faro flights

Burbank to Faro flights

Sacramento to Porto flights

Long Beach to Lisbon flights

San Jose to Lajes flights

San Francisco to Porto Santo flights

San Francisco to Vila do Porto flights

Monterey to Lisbon flights

Los Angeles to Pico Island flights

Los Angeles to Horta flights

Ontario to Ponta Delgada flights

San Jose to Ponta Delgada flights

Burbank to Porto flights

San Jose to Faro flights

Other flights to Porto
Explore flights to Porto departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on May 8, 2024.

Seattle to Hawaii flights

Chicago to Los Angeles flights

Philadelphia to Boston flights

Los Angeles to Rome flights

Miami to Paris flights

Los Angeles to Las Vegas flights

New York to Atlanta flights

Los Angeles to Toronto flights

USA to New Zealand flights

New York to Tampa flights

Charlotte to Atlanta flights

Ontario to Chicago O'Hare Intl Airport flights

Search flights from Ontario to Porto by cabin class

Book a flight to one of these trending destinations

Fly with Cheapflights

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.

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

Cheap flights from Ontario (ONT) to Porto (OPO) from $775

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 7/13. 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.

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

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

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

Cheap United Airlines flights from Ontario to Porto

Consider these cheap United Airlines 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.

Cheap Iberia flights from Ontario to Porto

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.

Cheap Ontario to Porto flights in May & June 2024

Find cheap flight options from Ontario to Porto 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 8, 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.

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 2,752,338 searches. Data last updated May 8, 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.

One-way flights to Porto from Ontario

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.

Find flights from Ontario to Porto within your budget

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 May 8, 2024.

Read reviews from past customers who have flown United Airlines, Iberia and British Airways from Ontario to Porto. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

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?

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

What does ONT to OPO mean?

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

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

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

How can I find direct flights from Ontario to Porto?

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

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

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

How recently were the Ontario to Porto flight deals updated?

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

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

Popular flight searches

Check out other popular destinations found by fellow travelers in 2024

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.

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

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

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

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

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

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

100% Free

Book with Flexibility

Travel Smart

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