What airlines fly to Portugal?

TAP AIR PORTUGAL, United Airlines and British Airways are the top three most popular airlines that fly to Portugal from Ontario according to our data. TAP AIR PORTUGAL is the first choice among our users, with 46% of people opting to fly with this airline when traveling to Portugal. Keep in mind that there are 17 different airlines that fly to Portugal on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Ontario to Portugal?

KLM, United Airlines, and Air France are the most popular carriers operating from Ontario to Portugal

When did momondo last update prices for flights from Ontario Airport to Portugal?

Prices for flights from Ontario Airport to Portugal are updated daily.

How many operators does momondo search for flights from Ontario Airport to Portugal?

There are 2 operators available for flights from Ontario Airport to Portugal as of May 2026.

How old do you have to be to fly from Ontario Airport to Portugal?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Portugal.

What documentation or ID do you need to fly to Portugal?

The travel and health documents you'll need for your trip to Portugal may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Portugal. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$346 Cheap Flights from Ontario to Portugal in 2026

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Find the cheapest flights from Ontario to Portugal

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:00 am - 9:05 am

ONT

OPO

18h 05m

2 stops

11:15 am - 4:12 pm

OPO

ONT

36h 57m

2 stops

$748Delta

Sun, Nov 1 - Thu, Dec 3

6:00 am - 10:30 am

ONT

OPO

44h 30m

2 stops

11:15 am - 11:48 pm

OPO

ONT

44h 33m

2 stops

$750Delta

Mon, Nov 2 - Thu, Dec 3

6:02 am - 9:30 am

ONT

OPO

19h 28m

2 stops

12:35 pm - 12:33 pm

OPO

ONT

31h 58m

2 stops

$755United Airlines

Mon, Nov 2 - Fri, Dec 4

1:00 pm - 9:30 am

ONT

OPO

37h 30m

2 stops

12:35 pm - 12:20 pm

OPO

ONT

31h 45m

2 stops

$766United Airlines

Sat, Oct 31 - Fri, Dec 4

1:18 pm - 11:05 am

ONT

LIS

37h 47m

2 stops

11:25 am - 8:52 pm

LIS

ONT

41h 27m

2 stops

$917Air Canada

Sat, Sep 19 - Fri, Sep 25

1:18 pm - 11:05 am

ONT

LIS

37h 47m

2 stops

11:25 am - 8:52 pm

LIS

ONT

41h 27m

2 stops

$955Air Canada

Tue, Sep 15 - Fri, Sep 25

2:15 pm - 11:50 am

ONT

FAO

37h 35m

2 stops

8:30 am - 9:12 pm

FAO

ONT

20h 42m

2 stops

$1,226Iberia

Fri, Jul 31 - Mon, Aug 31

9:10 pm - 6:45 am

ONT

PDL

26h 35m

1 stop

5:30 pm - 8:13 pm

PDL

ONT

33h 43m

1 stop

$1,239Multiple Airlines

Tue, Sep 15 - Mon, Sep 21

11:50 pm - 6:45 am

ONT

PDL

23h 55m

1 stop

5:30 pm - 8:13 pm

PDL

ONT

33h 43m

1 stop

$1,269Multiple Airlines

Tue, Sep 1 - Mon, Sep 14

7:00 am - 7:50 am

ONT

FAO

40h 50m

2 stops

8:30 am - 6:47 pm

FAO

ONT

18h 17m

2 stops

$2,526Iberia

Mon, Aug 3 - Thu, Aug 13

Iberia flights from Ontario to Portugal

Our best Iberia deals on Ontario to Portugal flight tickets

Iberia

Aug 25

ONT2:27 pmOntario

19h 58m

2 stops

LIS6:25 pmLisbon Humberto Delgado

Sep 4

LIS6:35 amLisbon Humberto Delgado

20h 12m

2 stops

ONT6:47 pmOntario

$1,171

Iberia

Jul 31

ONT2:15 pmOntario

37h 35m

2 stops

FAO11:50 amFaro

Aug 31

FAO8:30 amFaro

20h 42m

2 stops

ONT9:12 pmOntario

$1,226

Iberia

May 29

ONT10:22 amOntario

17h 23m

2 stops

OPO11:45 amPorto

Jun 5

OPO8:20 amPorto

19h 36m

2 stops

ONT7:56 pmOntario

$2,358

Delta flights from Ontario to Portugal

Our best Delta deals on Ontario to Portugal flight tickets

Delta

Nov 1

ONT7:00 amOntario

18h 05m

2 stops

OPO9:05 amPorto

Dec 3

OPO11:15 amPorto

36h 57m

2 stops

ONT4:12 pmOntario

$748

Delta

Nov 2

ONT6:00 amOntario

44h 30m

2 stops

OPO10:30 amPorto

Dec 3

OPO11:15 amPorto

44h 33m

2 stops

ONT11:48 pmOntario

$750

Delta

Oct 30

ONT5:05 pmOntario

57h 00m

2 stops

OPO9:05 amPorto

Dec 3

OPO5:00 amPorto

19h 12m

2 stops

ONT4:12 pmOntario

$759

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioPorto

ONT - OPO

ONTOPO

Ontario

Sun 11/1

7:00 am-9:05 am

2 stops18h 05m

Porto

Thu 12/3

11:15 am-4:12 pm

2 stops36h 57m

$748

OntarioPorto

ONT - OPO

ONTOPO

Ontario

Mon 11/2

6:00 am-10:30 am

2 stops44h 30m

Porto

Thu 12/3

11:15 am-11:48 pm

2 stops44h 33m

$750

Quickest round-trip

OntarioPorto

ONT - OPO

ONTOPO

Ontario

Mon 11/2

6:02 am-9:30 am

2 stops19h 28m

Porto

Fri 12/4

12:35 pm-12:33 pm

2 stops31h 58m

$755

OntarioPorto

ONT - OPO

ONTOPO

Ontario

Sat 10/31

1:00 pm-9:30 am

2 stops37h 30m

Porto

Fri 12/4

12:35 pm-12:20 pm

2 stops31h 45m

$766

OntarioLisbon

ONT - LIS

ONTLIS

Ontario

Sat 9/19

1:18 pm-11:05 am

2 stops37h 47m

Lisbon Humberto Delgado

Fri 9/25

11:25 am-8:52 pm

2 stops41h 27m

$917

OntarioLisbon

ONT - LIS

ONTLIS

Ontario

Tue 9/15

1:18 pm-11:05 am

2 stops37h 47m

Lisbon Humberto Delgado

Fri 9/25

11:25 am-8:52 pm

2 stops41h 27m

$955

OntarioFaro

ONT - FAO

ONTFAO

Ontario

Fri 7/31

2:15 pm-11:50 am

2 stops37h 35m

Faro

Mon 8/31

8:30 am-9:12 pm

2 stops20h 42m

$1,226

OntarioPonta Delgada

ONT - PDL

ONTPDL

Ontario

Tue 9/15

9:10 pm-6:45 am

1 stop26h 35m

Ponta Delgada Nordela

Mon 9/21

5:30 pm-8:13 pm

1 stop33h 43m

$1,239

OntarioPonta Delgada

ONT - PDL

ONTPDL

Ontario

Tue 9/1

11:50 pm-6:45 am

1 stop23h 55m

Ponta Delgada Nordela

Mon 9/14

5:30 pm-8:13 pm

1 stop33h 43m

$1,269

OntarioFaro

ONT - FAO

ONTFAO

Ontario

Mon 8/3

7:00 am-7:50 am

2 stops40h 50m

Faro

Thu 8/13

8:30 am-6:47 pm

2 stops18h 17m

$2,526

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Ontario to Portugal

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to Portugal?

The cheapest month to fly to Portugal from Ontario is in December. Flight prices, which tend to average around $0, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of December, then book flights to Portugal from Ontario during February instead. Flights to Portugal in February, while not as cheap as those in December, still average around $511.

Cheap Ontario to Portugal flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ontario to Portugal

Fastest flight time	16h 50m
Direct flights	None

The fastest flight from Ontario to Portugal takes 16h 50m

There are no direct flights from Ontario to Portugal. There are no popular flight routes from Ontario to Portugal.

Search flight deals

Frequently asked questions about flying from Ontario to Portugal

When did momondo last update prices for flights from Ontario Airport to Portugal?
Prices for flights from Ontario Airport to Portugal are updated daily.
How many operators does momondo search for flights from Ontario Airport to Portugal?
There are 2 operators available for flights from Ontario Airport to Portugal as of May 2026.
How old do you have to be to fly from Ontario Airport to Portugal?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Portugal.
What documentation or ID do you need to fly to Portugal?
The travel and health documents you'll need for your trip to Portugal may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Portugal. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Ontario to Portugal

Compare and see reviews for airlines that fly from Ontario to Portugal with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $515	Free Cancellation	Rating 7.4 9,724 reviews		Search United Airlines flights
Delta	PriceFrom $582	Free Cancellation	Rating 7.9 8,456 reviews		Search Delta flights

Why use momondo?

Why should I use momondo to find a flight deal from Ontario to Portugal?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Ontario to Portugal. momondo saves you time and could save you money on your trip.

Can I find flights from Ontario to Portugal with flexible booking policies on momondo?

All flight searches from Ontario to Portugal on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Ontario to Portugal?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Ontario to Portugal.

I’m not ready to book a flight from Ontario to Portugal right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Portugal, momondo offers a useful price alert feature which will track prices for flights to Portugal from Ontario and alert you when they change.

An easier way to manage your Portugal trip

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Popular cities

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Feeling lucky

Popular cities in Portugal

Flights to Lisbonfrom $436

Flights to Portofrom $445

Flights to Funchalfrom $619

Flights to Farofrom $622

Flights to Ponta Delgadafrom $577

Flights to Lajesfrom $601

Flights to Pico Islandfrom $671

Flights to Hortafrom $655

Flights to Porto Santofrom $822

Flights to Velasfrom $760

Cheap flights from Ontario to Portugal from $346

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Portugal departing on 10/19. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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How to get the cheapest flight ticket from Ontario to Portugal

What is the cheapest month to fly to Portugal?

What is the cheapest airline that flies from Ontario to Portugal?

What airlines fly to Portugal?

Cheap Ontario to Portugal flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ontario to Portugal

Fastest flight time

Direct flights

Frequently asked questions about flying from Ontario to Portugal

Best airlines flying from Ontario to Portugal

Compare and see reviews for airlines that fly from Ontario to Portugal with momondo

Why use momondo?

An easier way to manage your Portugal trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Portugal

Popular cities in Portugal

Popular flights according to clicks in the last 7 days on momondo

Ontario flight routes

According to popular flight searches on momondo this year

Portugal flight routes

According to popular flight searches on momondo this year

Fly your favorite airline to Portugal

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Portugal

List of cabin classes available on flights landing in Portugal. Availability may vary depending on flight origin and airline.

Complete your trip to Portugal

Explore popular destinations other users love

According to popular flight searches on momondo this year