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Cheap flights from Portugal to Los Angeles from $528

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 6/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Find the cheapest flights from Portugal to Los Angeles

Recent round-trip flight deals from Portugal to Los Angeles

Enter your travel dates to find the best prices.
Multiple Airlines Logo
8:55 pm - 10:09 am
FAO
-
ONT
45h 14m
2 stops
Multiple Airlines Logo
6:00 am - 6:10 pm
ONT
-
FAO
28h 10m
2 stops
$794Multiple Airlines
Mon, Apr 20 - Mon, Apr 27
KLM Logo
5:00 am - 4:25 pm
LIS
-
ONT
19h 25m
2 stops
KLM Logo
11:53 am - 6:45 pm
ONT
-
LIS
22h 52m
2 stops
$898KLM
Fri, Apr 17 - Sat, May 2
KLM Logo
5:00 am - 4:25 pm
LIS
-
ONT
19h 25m
2 stops
KLM Logo
11:53 am - 6:45 pm
ONT
-
LIS
22h 52m
2 stops
$901KLM
Fri, Apr 17 - Sat, May 2
KLM Logo
5:00 am - 4:25 pm
LIS
-
ONT
19h 25m
2 stops
KLM Logo
11:53 am - 6:45 pm
ONT
-
LIS
22h 52m
2 stops
$902KLM
Fri, Apr 17 - Sat, May 2
United Airlines Logo
5:05 am - 5:52 pm
LIS
-
ONT
20h 47m
2 stops
United Airlines Logo
6:30 am - 8:20 am
ONT
-
LIS
17h 50m
2 stops
$956United Airlines
Tue, May 19 - Tue, Jun 9
KLM Logo
5:00 am - 4:25 pm
LIS
-
ONT
19h 25m
2 stops
KLM Logo
11:53 am - 6:45 pm
ONT
-
LIS
22h 52m
2 stops
$990KLM
Fri, Apr 17 - Sat, May 2
KLM Logo
5:00 am - 4:25 pm
LIS
-
ONT
19h 25m
2 stops
KLM Logo
11:53 am - 6:45 pm
ONT
-
LIS
22h 52m
2 stops
$993KLM
Fri, Apr 17 - Sat, May 2
Multiple Airlines Logo
5:00 am - 5:16 pm
LIS
-
ONT
20h 16m
2 stops
Multiple Airlines Logo
9:55 am - 2:55 pm
ONT
-
LIS
21h 00m
2 stops
$1,004Multiple Airlines
Fri, Jun 19 - Thu, Jul 16
British Airways Logo
7:40 pm - 4:22 pm
FAO
-
ONT
28h 42m
2 stops
British Airways Logo
10:56 am - 2:45 pm
ONT
-
FAO
19h 49m
2 stops
$1,268British Airways
Thu, Apr 2 - Mon, Apr 6
British Airways Logo
5:45 pm - 6:42 pm
FAO
-
ONT
31h 57m
2 stops
British Airways Logo
3:19 pm - 7:10 pm
ONT
-
FAO
19h 51m
2 stops
$3,179British Airways
Fri, Mar 27 - Tue, Mar 31

British Airways flights from Portugal to Ontario

Our best British Airways deals on Portugal to Ontario flight tickets
British Airways
Apr 2
FAO7:40 pmFaro
28h 42m
2 stops
ONT4:22 pmOntario
Apr 6
ONT10:56 amOntario
19h 49m
2 stops
FAO2:45 pmFaro
$1,268
British Airways
Mar 27
FAO5:45 pmFaro
31h 57m
2 stops
ONT6:42 pmOntario
Mar 31
ONT3:19 pmOntario
19h 51m
2 stops
FAO7:10 pmFaro
$3,179

Turkish Airlines flights from Portugal to Ontario

Our best Turkish Airlines deals on Portugal to Ontario flight tickets
Turkish Airlines
Jun 8
LIS10:55 amLisbon Humberto Delgado
41h 50m
2 stops
ONT8:45 pmOntario
Jun 29
ONT11:59 pmOntario
49h 51m
2 stops
LIS9:50 amLisbon Humberto Delgado
$1,136
Turkish Airlines
Jun 8
LIS10:55 amLisbon Humberto Delgado
41h 50m
2 stops
ONT8:45 pmOntario
Jun 27
ONT11:59 pmOntario
63h 36m
2 stops
LIS11:35 pmLisbon Humberto Delgado
$1,204
Turkish Airlines
Jun 3
LIS10:55 amLisbon Humberto Delgado
41h 50m
2 stops
ONT8:45 pmOntario
Jun 15
ONT11:59 pmOntario
63h 46m
2 stops
LIS11:45 pmLisbon Humberto Delgado
$1,237

momondo Fare Finder

 
Customize your flight search to find flights from Portugal to Ontario 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, momondo users made 832,500 searches. Data last updated March 13, 2026.
Use the filters below to find and compare flights from Portugal to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

FaroOntario

FAO - ONT

FAOONT

Faro

Mon 4/20

8:55 pm-10:09 am

2 stops45h 14m

Ontario

Mon 4/27

6:00 am-6:10 pm

2 stops28h 10m

$794

LisbonOntario

LIS - ONT

LISONT

Lisbon Humberto Delgado

Fri 4/17

5:00 am-4:25 pm

2 stops19h 25m

Ontario

Sat 5/2

11:53 am-6:45 pm

2 stops22h 52m

$898

LisbonOntario

LIS - ONT

LISONT

Lisbon Humberto Delgado

Fri 4/17

5:00 am-4:25 pm

2 stops19h 25m

Ontario

Sat 5/2

11:53 am-6:45 pm

2 stops22h 52m

$901

LisbonOntario

LIS - ONT

LISONT

Lisbon Humberto Delgado

Fri 4/17

5:00 am-4:25 pm

2 stops19h 25m

Ontario

Sat 5/2

11:53 am-6:45 pm

2 stops22h 52m

$902
Quickest round-trip

LisbonOntario

LIS - ONT

LISONT

Lisbon Humberto Delgado

Tue 5/19

5:05 am-5:52 pm

2 stops20h 47m

Ontario

Tue 6/9

6:30 am-8:20 am

2 stops17h 50m

$956

LisbonOntario

LIS - ONT

LISONT

Lisbon Humberto Delgado

Fri 4/17

5:00 am-4:25 pm

2 stops19h 25m

Ontario

Sat 5/2

11:53 am-6:45 pm

2 stops22h 52m

$990

LisbonOntario

LIS - ONT

LISONT

Lisbon Humberto Delgado

Fri 4/17

5:00 am-4:25 pm

2 stops19h 25m

Ontario

Sat 5/2

11:53 am-6:45 pm

2 stops22h 52m

$993

LisbonOntario

LIS - ONT

LISONT

Lisbon Humberto Delgado

Fri 6/19

5:00 am-5:16 pm

2 stops20h 16m

Ontario

Thu 7/16

9:55 am-2:55 pm

2 stops21h 00m

$1,004

FaroOntario

FAO - ONT

FAOONT

Faro

Thu 4/2

7:40 pm-4:22 pm

2 stops28h 42m

Ontario

Mon 4/6

10:56 am-2:45 pm

2 stops19h 49m

$1,268

FaroOntario

FAO - ONT

FAOONT

Faro

Fri 3/27

5:45 pm-6:42 pm

2 stops31h 57m

Ontario

Tue 3/31

3:19 pm-7:10 pm

2 stops19h 51m

$3,179

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Los Angeles from

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

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

British Airways and Turkish Airlines are the most popular carriers operating from Portugal to Ontario

What airlines fly to Ontario?

TAP AIR PORTUGAL, British Airways and Air France 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 54% 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.

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 35m

Direct flights

None
The fastest flight from Portugal to Ontario takes 17h 35m
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.

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