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 25m on average, while flying from Porto to Los Angeles is 14h 50m on average. Los Angeles is the most popular airport in 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.

$435 Cheap Flights from Portugal to Ontario in 2026

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8:20 am - 11:01 pmLIS Lisbon Humberto Delgado-ONT Ontario

22h 41m2 stops Madrid Barajas Charlotte Douglas

2:22 pm - 6:55 pmONT Ontario-LIS Lisbon Humberto Delgado

20h 33m2 stops Dallas/Fort Worth London Heathrow

$949American Airlines

Thu, Dec 3 - Mon, Dec 7

8:20 am - 11:01 pmLIS Lisbon Humberto Delgado-ONT Ontario

22h 41m2 stops Madrid Barajas Charlotte Douglas

2:22 pm - 6:55 pmONT Ontario-LIS Lisbon Humberto Delgado

20h 33m2 stops Dallas/Fort Worth London Heathrow

$950American Airlines

Thu, Dec 3 - Mon, Dec 7

8:55 am - 9:29 amLIS Lisbon Humberto Delgado-ONT Ontario

32h 34m2 stops Madrid Barajas Dallas/Fort Worth

12:43 pm - 11:15 pmONT Ontario-LIS Lisbon Humberto Delgado

26h 32m2 stops Dallas/Fort Worth London Heathrow

$1,003Multiple Airlines

Wed, Sep 30 - Wed, Oct 7

7:20 am - 9:11 pmLIS Lisbon Humberto Delgado-ONT Ontario

21h 51m2 stops London Heathrow Dallas/Fort Worth

12:43 pm - 3:40 pmONT Ontario-LIS Lisbon Humberto Delgado

18h 57m2 stops Dallas/Fort Worth London Heathrow

$1,016British Airways

Wed, Oct 14 - Wed, Oct 21

7:20 am - 11:36 pmLIS Lisbon Humberto Delgado-ONT Ontario

24h 16m2 stops London Heathrow Dallas/Fort Worth

10:25 am - 11:10 pmONT Ontario-LIS Lisbon Humberto Delgado

28h 45m2 stops Dallas/Fort Worth London Heathrow

$1,017American Airlines

Thu, Sep 17 - Mon, Sep 21

7:20 am - 11:36 pmLIS Lisbon Humberto Delgado-ONT Ontario

24h 16m2 stops London Heathrow Dallas/Fort Worth

8:25 am - 11:10 pmONT Ontario-LIS Lisbon Humberto Delgado

30h 45m2 stops Dallas/Fort Worth London Heathrow

$1,018American Airlines

Thu, Sep 17 - Mon, Sep 21

8:20 am - 10:02 pmLIS Lisbon Humberto Delgado-ONT Ontario

21h 42m2 stops Madrid Barajas Dallas/Fort Worth

10:31 am - 4:05 pmONT Ontario-LIS Lisbon Humberto Delgado

21h 34m2 stops Dallas/Fort Worth Madrid Barajas

$1,019Iberia

Fri, Dec 25 - Fri, Jan 8

10:25 am - 8:01 pmLIS Lisbon Humberto Delgado-ONT Ontario

17h 36m2 stops Newark San Francisco

1:18 pm - 8:20 amONT Ontario-LIS Lisbon Humberto Delgado

35h 02m2 stops Denver Intl Newark

$1,036United Airlines

Sat, Sep 5 - Sat, Sep 19

10:25 am - 10:59 pmLIS Lisbon Humberto Delgado-ONT Ontario

20h 34m2 stops Newark Chicago O'Hare Intl

6:08 am - 9:20 amONT Ontario-LIS Lisbon Humberto Delgado

19h 12m2 stops San Francisco Montreal Pierre Elliott Trudeau Intl

$1,086United Airlines

Tue, Sep 15 - Tue, Sep 22

11:40 am - 10:35 pmFAO Faro-ONT Ontario

18h 55m2 stops Newark Chicago O'Hare Intl

6:00 am - 9:10 amONT Ontario-FAO Faro

19h 10m2 stops Houston George Bush Intcntl Newark

$1,087United Airlines

Thu, Sep 3 - Mon, Sep 7

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United Airlines flights from Portugal to Ontario

Our best United Airlines deals on Portugal to Ontario flight tickets

United Airlines

Sep 5

LIS10:25 amLisbon Humberto Delgado

17h 36m

2 stops

ONT8:01 pmOntario

Sep 19

ONT1:18 pmOntario

35h 02m

2 stops

LIS8:20 amLisbon Humberto Delgado

$1,036

United Airlines

Sep 15

LIS10:25 amLisbon Humberto Delgado

20h 34m

2 stops

ONT10:59 pmOntario

Sep 22

ONT6:08 amOntario

19h 12m

2 stops

LIS9:20 amLisbon Humberto Delgado

$1,086

United Airlines

Sep 3

FAO11:40 amFaro

18h 55m

2 stops

ONT10:35 pmOntario

Sep 7

ONT6:00 amOntario

19h 10m

2 stops

FAO9:10 amFaro

$1,087

Turkish Airlines flights from Portugal to Ontario

Our best Turkish Airlines deals on Portugal to Ontario flight tickets

Turkish Airlines

Sep 28

LIS5:55 amLisbon Humberto Delgado

47h 02m

2 stops

ONT8:57 pmOntario

Oct 10

ONT11:05 pmOntario

32h 30m

2 stops

LIS3:35 pmLisbon Humberto Delgado

$1,973

Turkish Airlines

Oct 2

LIS5:55 amLisbon Humberto Delgado

47h 02m

2 stops

ONT8:57 pmOntario

Oct 16

ONT11:05 pmOntario

40h 15m

2 stops

LIS11:20 pmLisbon Humberto Delgado

$2,095

Turkish Airlines

Oct 2

LIS4:45 pmLisbon Humberto Delgado

36h 12m

2 stops

ONT8:57 pmOntario

Oct 16

ONT11:05 pmOntario

56h 30m

2 stops

LIS3:35 pmLisbon Humberto Delgado

$2,102

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LisbonOntario

LIS Lisbon Humberto Delgado - ONT Ontario

LISONT

Lisbon Humberto Delgado

Thu 12/3

8:20 am-11:01 pm

2 stops22h 41m

Ontario

Mon 12/7

2:22 pm-6:55 pm

2 stops20h 33m

$949

LisbonOntario

LIS Lisbon Humberto Delgado - ONT Ontario

LISONT

Lisbon Humberto Delgado

Thu 12/3

8:20 am-11:01 pm

2 stops22h 41m

Ontario

Mon 12/7

2:22 pm-6:55 pm

2 stops20h 33m

$950

LisbonOntario

LIS Lisbon Humberto Delgado - ONT Ontario

LISONT

Lisbon Humberto Delgado

Wed 9/30

8:55 am-9:29 am

2 stops32h 34m

Ontario

Wed 10/7

12:43 pm-11:15 pm

2 stops26h 32m

$1,003

LisbonOntario

LIS Lisbon Humberto Delgado - ONT Ontario

LISONT

Lisbon Humberto Delgado

Wed 10/14

7:20 am-9:11 pm

2 stops21h 51m

Ontario

Wed 10/21

12:43 pm-3:40 pm

2 stops18h 57m

$1,016

LisbonOntario

LIS Lisbon Humberto Delgado - ONT Ontario

LISONT

Lisbon Humberto Delgado

Thu 9/17

7:20 am-11:36 pm

2 stops24h 16m

Ontario

Mon 9/21

10:25 am-11:10 pm

2 stops28h 45m

$1,017

LisbonOntario

LIS Lisbon Humberto Delgado - ONT Ontario

LISONT

Lisbon Humberto Delgado

Thu 9/17

7:20 am-11:36 pm

2 stops24h 16m

Ontario

Mon 9/21

8:25 am-11:10 pm

2 stops30h 45m

$1,018

LisbonOntario

LIS Lisbon Humberto Delgado - ONT Ontario

LISONT

Lisbon Humberto Delgado

Fri 12/25

8:20 am-10:02 pm

2 stops21h 42m

Ontario

Fri 1/8

10:31 am-4:05 pm

2 stops21h 34m

$1,019

LisbonOntario

LIS Lisbon Humberto Delgado - ONT Ontario

LISONT

Lisbon Humberto Delgado

Sat 9/5

10:25 am-8:01 pm

2 stops17h 36m

Ontario

Sat 9/19

1:18 pm-8:20 am

2 stops35h 02m

$1,036

LisbonOntario

LIS Lisbon Humberto Delgado - ONT Ontario

LISONT

Lisbon Humberto Delgado

Tue 9/15

10:25 am-10:59 pm

2 stops20h 34m

Ontario

Tue 9/22

6:08 am-9:20 am

2 stops19h 12m

$1,086

Quickest round-trip

FaroOntario

FAO Faro - ONT Ontario

FAOONT

Faro

Thu 9/3

11:40 am-10:35 pm

2 stops18h 55m

Ontario

Mon 9/7

6:00 am-9:10 am

2 stops19h 10m

$1,087

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

Airlines

Other information

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

British Airways, TAP AIR PORTUGAL, and JetBlue are the most popular carriers operating from Portugal to Ontario

What airlines fly to Ontario?

TAP AIR PORTUGAL, British Airways and Iberia 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 57% of people opting to fly with this airline when traveling to Ontario. Keep in mind that there are 7 different airlines that fly to Ontario on a routine basis, so you have a few additional options to choose from.

Cheap Portugal to Ontario flight deals and tips

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

Best Price Found	$435
Fastest flight time	17h 33m
Direct flights	None

The best one-way flight to Ontario from Portugal in the past 72 hours is $435. The best round-trip flight deal from Portugal to Ontario found on momondo in the last 72 hours is $949.

The fastest flight from Portugal to Ontario takes 17h 33m

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

Search flight deals

Frequently asked questions about flying 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.

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.

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Cheap flights from Portugal to Los Angeles from $435

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Portugal to Los Angeles departing on 9/17. 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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United Airlines flights from Portugal to Ontario

Our best United Airlines deals on Portugal to Ontario flight tickets

Turkish Airlines flights from Portugal to Ontario

Our best Turkish Airlines deals on Portugal to Ontario flight tickets

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How to get the cheapest flight ticket from Portugal to Ontario

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How long does it take to fly to Ontario?

Cheap Portugal to Ontario flight deals and tips

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Direct flights

Frequently asked questions about flying from Portugal to Ontario

Why use momondo?

An easier way to manage your Ontario 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 the United States

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Fly your favorite airline to Los Angeles

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

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

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