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Cheap flights from Ontario to Portugal from $335

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Ontario to Portugal

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
7:05 am - 8:15 amONT  Ontario-OPO Porto
17h 10m2 stops Atlanta Hartsfield-Jackson New York John F Kennedy Intl
Delta Logo
5:00 am - 11:57 pmOPO  Porto-ONT Ontario
26h 57m2 stops Amsterdam Schiphol Salt Lake City
$752Delta
Wed, Dec 2 - Fri, Dec 11
United Airlines Logo
9:25 am - 9:30 amONT  Ontario-OPO Porto
16h 05m2 stops San Francisco Newark
United Airlines Logo
12:35 pm - 12:29 pmOPO  Porto-ONT Ontario
31h 54m2 stops Newark San Francisco
$759United Airlines
Wed, Nov 11 - Wed, Nov 18
Delta Logo
7:05 am - 9:00 amONT  Ontario-LIS Lisbon Humberto Delgado
17h 55m2 stops Atlanta Hartsfield-Jackson Boston Logan Intl
Delta Logo
5:30 am - 6:30 pmLIS  Lisbon Humberto Delgado-ONT Ontario
21h 00m2 stops Paris Charles de Gaulle Salt Lake City
$767Delta
Tue, Nov 17 - Thu, Nov 26
Delta Logo
7:05 am - 9:00 amONT  Ontario-LIS Lisbon Humberto Delgado
17h 55m2 stops Atlanta Hartsfield-Jackson Boston Logan Intl
Delta Logo
5:30 am - 11:49 pmLIS  Lisbon Humberto Delgado-ONT Ontario
26h 19m2 stops Paris Charles de Gaulle Salt Lake City
$767Delta
Tue, Nov 17 - Wed, Nov 25
Multiple Airlines Logo
12:45 pm - 2:55 pmONT  Ontario-LIS Lisbon Humberto Delgado
18h 10m2 stops Dallas/Fort Worth London Heathrow
Multiple Airlines Logo
6:30 am - 8:48 pmLIS  Lisbon Humberto Delgado-ONT Ontario
22h 18m2 stops Madrid Barajas Chicago O'Hare Intl
$769Multiple Airlines
Sun, Jan 31 - Thu, Feb 18
United Airlines Logo
6:00 am - 8:10 amONT  Ontario-LIS Lisbon Humberto Delgado
19h 10m2 stops Houston George Bush Intcntl Newark
United Airlines Logo
10:15 am - 8:51 pmLIS  Lisbon Humberto Delgado-ONT Ontario
18h 36m2 stops Newark Denver Intl
$770United Airlines
Wed, Oct 28 - Wed, Nov 18
United Airlines Logo
9:25 am - 10:20 amONT  Ontario-LIS Lisbon Humberto Delgado
16h 55m2 stops San Francisco Washington, D.C. Dulles Intl
United Airlines Logo
10:15 am - 9:59 pmLIS  Lisbon Humberto Delgado-ONT Ontario
19h 44m2 stops Newark Houston George Bush Intcntl
$770United Airlines
Mon, Nov 16 - Thu, Dec 3
United Airlines Logo
5:45 am - 8:10 amONT  Ontario-LIS Lisbon Humberto Delgado
18h 25m2 stops Houston George Bush Intcntl Newark
United Airlines Logo
10:15 am - 9:59 pmLIS  Lisbon Humberto Delgado-ONT Ontario
19h 44m2 stops Newark Houston George Bush Intcntl
$770United Airlines
Tue, Dec 1 - Tue, Dec 8
United Airlines Logo
9:25 am - 10:05 amONT  Ontario-LIS Lisbon Humberto Delgado
16h 40m2 stops San Francisco Washington, D.C. Dulles Intl
United Airlines Logo
12:20 pm - 10:48 pmLIS  Lisbon Humberto Delgado-ONT Ontario
18h 28m2 stops Washington, D.C. Dulles Intl San Francisco
$771United Airlines
Sun, Nov 1 - Thu, Nov 12
United Airlines Logo
9:25 am - 10:05 amONT  Ontario-LIS Lisbon Humberto Delgado
16h 40m2 stops San Francisco Washington, D.C. Dulles Intl
United Airlines Logo
10:15 am - 8:51 pmLIS  Lisbon Humberto Delgado-ONT Ontario
18h 36m2 stops Newark Denver Intl
$771United Airlines
Sun, Nov 1 - Wed, Nov 11

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Delta flights from Ontario to Portugal

Our best Delta deals on Ontario to Portugal flight tickets
Delta
Dec 2
ONT7:05 amOntario
17h 10m
2 stops
OPO8:15 amPorto
Dec 11
OPO5:00 amPorto
26h 57m
2 stops
ONT11:57 pmOntario
$752
Delta
Nov 17
ONT7:05 amOntario
17h 55m
2 stops
LIS9:00 amLisbon Humberto Delgado
Nov 25
LIS5:30 amLisbon Humberto Delgado
26h 19m
2 stops
ONT11:49 pmOntario
$767
Delta
Nov 12
ONT11:57 amOntario
26h 03m
2 stops
OPO10:00 pmPorto
Nov 19
OPO5:00 amPorto
20h 16m
2 stops
ONT5:16 pmOntario
$801

Air Canada flights from Ontario to Portugal

Our best Air Canada deals on Ontario to Portugal flight tickets
Air Canada
Jan 5
ONT1:00 pmOntario
33h 55m
2 stops
LIS6:55 amLisbon Humberto Delgado
Jan 25
LIS11:20 amLisbon Humberto Delgado
41h 00m
2 stops
ONT8:20 pmOntario
$814
Air Canada
Mar 5
ONT6:53 pmOntario
54h 27m
2 stops
LIS9:20 amLisbon Humberto Delgado
Mar 14
LIS10:40 amLisbon Humberto Delgado
38h 07m
2 stops
ONT5:47 pmOntario
$885
Air Canada
Dec 24
ONT1:38 pmOntario
35h 42m
2 stops
LIS9:20 amLisbon Humberto Delgado
Jan 8
LIS11:20 amLisbon Humberto Delgado
33h 13m
2 stops
ONT12:33 pmOntario
$915

momondo Fare Finder

 
Use the filters below to find and compare flights from Ontario to Portugal that are best for you.

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Route

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Price

Cheapest round-trip

OntarioPorto

ONT Ontario - OPO Porto

ONTOPO

Ontario

Wed 12/2

7:05 am-8:15 am

2 stops17h 10m

Porto

Fri 12/11

5:00 am-11:57 pm

2 stops26h 57m

$752

OntarioPorto

ONT Ontario - OPO Porto

ONTOPO

Ontario

Wed 11/11

9:25 am-9:30 am

2 stops16h 05m

Porto

Wed 11/18

12:35 pm-12:29 pm

2 stops31h 54m

$759

OntarioLisbon

ONT Ontario - LIS Lisbon Humberto Delgado

ONTLIS

Ontario

Tue 11/17

7:05 am-9:00 am

2 stops17h 55m

Lisbon Humberto Delgado

Thu 11/26

5:30 am-6:30 pm

2 stops21h 00m

$767

OntarioLisbon

ONT Ontario - LIS Lisbon Humberto Delgado

ONTLIS

Ontario

Tue 11/17

7:05 am-9:00 am

2 stops17h 55m

Lisbon Humberto Delgado

Wed 11/25

5:30 am-11:49 pm

2 stops26h 19m

$767

OntarioLisbon

ONT Ontario - LIS Lisbon Humberto Delgado

ONTLIS

Ontario

Sun 1/31

12:45 pm-2:55 pm

2 stops18h 10m

Lisbon Humberto Delgado

Thu 2/18

6:30 am-8:48 pm

2 stops22h 18m

$769

OntarioLisbon

ONT Ontario - LIS Lisbon Humberto Delgado

ONTLIS

Ontario

Wed 10/28

6:00 am-8:10 am

2 stops19h 10m

Lisbon Humberto Delgado

Wed 11/18

10:15 am-8:51 pm

2 stops18h 36m

$770

OntarioLisbon

ONT Ontario - LIS Lisbon Humberto Delgado

ONTLIS

Ontario

Mon 11/16

9:25 am-10:20 am

2 stops16h 55m

Lisbon Humberto Delgado

Thu 12/3

10:15 am-9:59 pm

2 stops19h 44m

$770

OntarioLisbon

ONT Ontario - LIS Lisbon Humberto Delgado

ONTLIS

Ontario

Tue 12/1

5:45 am-8:10 am

2 stops18h 25m

Lisbon Humberto Delgado

Tue 12/8

10:15 am-9:59 pm

2 stops19h 44m

$770
Quickest round-trip

OntarioLisbon

ONT Ontario - LIS Lisbon Humberto Delgado

ONTLIS

Ontario

Sun 11/1

9:25 am-10:05 am

2 stops16h 40m

Lisbon Humberto Delgado

Thu 11/12

12:20 pm-10:48 pm

2 stops18h 28m

$771

OntarioLisbon

ONT Ontario - LIS Lisbon Humberto Delgado

ONTLIS

Ontario

Sun 11/1

9:25 am-10:05 am

2 stops16h 40m

Lisbon Humberto Delgado

Wed 11/11

10:15 am-8:51 pm

2 stops18h 36m

$771

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 Portugal from

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

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

United Airlines is the most popular carrier operating from Ontario to Portugal

What airlines fly to Portugal?

TAP AIR PORTUGAL, United Airlines and Delta 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 50% of people opting to fly with this airline when traveling to Portugal. Keep in mind that there are 16 different airlines that fly to Portugal on a routine basis, so you have a few additional options to choose from.

Cheap Ontario to Portugal flight deals and tips

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

Best Price Found

$335

Fastest flight time

16h 05m

Direct flights

None
The best one-way flight to Portugal from Ontario in the past 72 hours is $335. The best round-trip flight deal from Ontario to Portugal found on momondo in the last 72 hours is $752.
The fastest flight from Ontario to Portugal takes 16h 05m
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?

  • 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 AirlinesPriceFrom $515Free CancellationRating
7.4
10,270 reviews
Search United Airlines 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.

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Find better results for your trip to Portugal

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