How long does it take to fly to Ontario?

Average flight duration from Portugal to Ontario depends on which airport you fly into and out of. Flying from Lisbon to Los Angeles is 12h 30m on average, while flying from Porto to Los Angeles is 15h 40m on average. Los Angeles is the most popular airport in Ontario.

What airlines fly to Ontario?

TAP AIR PORTUGAL, British Airways and Delta are the top three most popular airlines that fly to Ontario from Portugal according to our data. TAP AIR PORTUGAL is the first choice among our users, with 41% of people opting to fly with this airline when traveling to Ontario. Keep in mind that there are 8 different airlines that fly to Ontario on a routine basis, so you have a few additional options to choose from.

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

American Airlines, British Airways, and United Airlines are the most popular carriers operating from Portugal to Ontario

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

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

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

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Portugal to Ontario Airport.

What documentation or ID do you need to fly to Ontario Airport?

The travel and health documents you'll need for your trip to Ontario Airport 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 Ontario Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$566 Cheap Flights from Portugal to Ontario in 2025/26

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Find the cheapest flights from Portugal to Los Angeles

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5:00 am - 8:58 pm

LIS

ONT

23h 58m2 stops

6:00 am - 8:10 am

ONT

LIS

18h 10m2 stops

$890United Airlines

Wed, Jan 14 - Mon, Jan 19

5:00 am - 5:43 pm

LIS

ONT

20h 43m2 stops

6:10 am - 8:10 am

ONT

LIS

18h 00m2 stops

$891United Airlines

Fri, Jan 23 - Sun, Feb 1

6:10 am - 5:43 pm

LIS

ONT

19h 33m2 stops

1:53 pm - 8:10 am

ONT

LIS

34h 17m2 stops

$903United Airlines

Fri, Jan 23 - Mon, Jan 26

6:10 am - 5:43 pm

LIS

ONT

19h 33m2 stops

6:00 am - 8:10 am

ONT

LIS

18h 10m2 stops

$904United Airlines

Fri, Jan 23 - Mon, Jan 26

5:00 am - 8:58 pm

LIS

ONT

23h 58m2 stops

5:05 am - 8:10 am

ONT

LIS

19h 05m2 stops

$914United Airlines

Fri, Jan 16 - Sun, Jan 18

8:55 am - 10:13 pm

LIS

ONT

21h 18m2 stops

10:58 am - 9:05 am

ONT

LIS

14h 07m2 stops

$1,236Multiple Airlines

Thu, Jan 8 - Thu, Jan 15

11:20 am - 9:07 pm

LIS

ONT

17h 47m2 stops

6:00 am - 8:55 am

ONT

LIS

18h 55m2 stops

$1,240Multiple Airlines

Mon, Dec 22 - Sat, Mar 7

11:20 am - 11:18 am

LIS

ONT

31h 58m3 stops

5:05 am - 9:20 am

ONT

LIS

20h 15m2 stops

$1,805Multiple Airlines

Thu, Jan 8 - Thu, Jan 15

7:05 am - 8:10 pm

LIS

ONT

21h 05m2 stops

4:45 pm - 5:55 pm

ONT

LIS

17h 10m2 stops

$3,178British Airways

Sun, Jan 18 - Sat, Jan 24

7:00 pm - 6:45 pm

FAO

ONT

31h 45m2 stops

3:19 pm - 6:15 pm

ONT

FAO

18h 56m2 stops

$3,193British Airways

Tue, Feb 10 - Sat, Feb 21

United Airlines flights from Portugal to Ontario

Our best United Airlines deals on Portugal to Ontario flight tickets

United Airlines

Jan 14

LIS5:00 amLisbon Humberto Delgado

23h 58m

2 stops

ONT8:58 pmOntario

Jan 19

ONT6:00 amOntario

18h 10m

2 stops

LIS8:10 amLisbon Humberto Delgado

$890

Find similar

United Airlines

Jan 23

LIS5:00 amLisbon Humberto Delgado

20h 43m

2 stops

ONT5:43 pmOntario

Feb 1

ONT6:10 amOntario

18h 00m

2 stops

LIS8:10 amLisbon Humberto Delgado

$891

Find similar

United Airlines

Jan 23

LIS6:10 amLisbon Humberto Delgado

19h 33m

2 stops

ONT5:43 pmOntario

Jan 26

ONT1:53 pmOntario

34h 17m

2 stops

LIS8:10 amLisbon Humberto Delgado

$903

Find similar

British Airways flights from Portugal to Ontario

Our best British Airways deals on Portugal to Ontario flight tickets

British Airways

Jan 18

LIS7:05 amLisbon Humberto Delgado

21h 05m

2 stops

ONT8:10 pmOntario

Jan 24

ONT4:45 pmOntario

17h 10m

2 stops

LIS5:55 pmLisbon Humberto Delgado

$3,178

Find similar

British Airways

Feb 10

FAO7:00 pmFaro

31h 45m

2 stops

ONT6:45 pmOntario

Feb 21

ONT3:19 pmOntario

18h 56m

2 stops

FAO6:15 pmFaro

$3,193

Find similar

Fly from

Fly to

Route

Depart

Return

Price

LisbonOntario

LIS - ONT

LISONT

Lisbon Humberto Delgado

Wed 1/14

5:00 am-8:58 pm

2 stops23h 58m

Ontario

Mon 1/19

6:00 am-8:10 am

2 stops18h 10m

$890

LisbonOntario

LIS - ONT

LISONT

Lisbon Humberto Delgado

Fri 1/23

5:00 am-5:43 pm

2 stops20h 43m

Ontario

Sun 2/1

6:10 am-8:10 am

2 stops18h 00m

$891

LisbonOntario

LIS - ONT

LISONT

Lisbon Humberto Delgado

Fri 1/23

6:10 am-5:43 pm

2 stops19h 33m

Ontario

Mon 1/26

1:53 pm-8:10 am

2 stops34h 17m

$903

LisbonOntario

LIS - ONT

LISONT

Lisbon Humberto Delgado

Fri 1/23

6:10 am-5:43 pm

2 stops19h 33m

Ontario

Mon 1/26

6:00 am-8:10 am

2 stops18h 10m

$904

LisbonOntario

LIS - ONT

LISONT

Lisbon Humberto Delgado

Fri 1/16

5:00 am-8:58 pm

2 stops23h 58m

Ontario

Sun 1/18

5:05 am-8:10 am

2 stops19h 05m

$914

LisbonOntario

LIS - ONT

LISONT

Lisbon Humberto Delgado

Thu 1/8

8:55 am-10:13 pm

2 stops21h 18m

Ontario

Thu 1/15

10:58 am-9:05 am

2 stops14h 07m

$1,236

LisbonOntario

LIS - ONT

LISONT

Lisbon Humberto Delgado

Mon 12/22

11:20 am-9:07 pm

2 stops17h 47m

Ontario

Sat 3/7

6:00 am-8:55 am

2 stops18h 55m

$1,240

LisbonOntario

LIS - ONT

LISONT

Lisbon Humberto Delgado

Thu 1/8

11:20 am-11:18 am

3 stops31h 58m

Ontario

Thu 1/15

5:05 am-9:20 am

2 stops20h 15m

$1,805

LisbonOntario

LIS - ONT

LISONT

Lisbon Humberto Delgado

Sun 1/18

7:05 am-8:10 pm

2 stops21h 05m

Ontario

Sat 1/24

4:45 pm-5:55 pm

2 stops17h 10m

$3,178

FaroOntario

FAO - ONT

FAOONT

Faro

Tue 2/10

7:00 pm-6:45 pm

2 stops31h 45m

Ontario

Sat 2/21

3:19 pm-6:15 pm

2 stops18h 56m

$3,193

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 Portugal to Ontario

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

Other information

What is the cheapest day to depart on your flight to Ontario?

The cheapest day to depart on your flight to Ontario is on a Thursday when prices can be found for as low as $831. This is often the case because there is less demand to fly during this day of the week. When flying out on a Tuesday, the most expensive travel day of the week, you can expect to see flight prices from Portugal to Ontario for around $848.

Cheap Portugal to Ontario flight deals and tips

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

Fastest flight time	17h 47m
Direct flights	None

The fastest flight from Portugal to Ontario takes 17h 47m

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

Search flight deals

When did momondo last update prices for flights from Portugal to Ontario Airport?
Prices for flights from Portugal to Ontario Airport are updated daily.
How old do you have to be to fly from Portugal to Ontario Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Portugal to Ontario Airport.
What documentation or ID do you need to fly to Ontario Airport?
The travel and health documents you'll need for your trip to Ontario Airport 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 Ontario Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Why use momondo?

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

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

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

momondo does allow users to show only those flights to Ontario from Portugal which offer a flexible booking policy as well as other useful filters and features.

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

Once all potential Portugal to Ontario flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Of course. momondo tracks the price of Portugal to Ontario flights. All you need is a valid email address and we will do the rest; it is that quick and easy.