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

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

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 31% of people opting to fly with this airline when traveling to Portugal. Keep in mind that there are 18 different airlines that fly to Portugal on a routine basis, so you have a few additional options to choose from.

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 is 1 operator available for flights from Ontario Airport to Portugal as of August 2025.

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.

$320 Cheap Flights from Ontario to Portugal in 2025

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Find the cheapest flights from Ontario to Portugal

Round-trip

One-way

Last minute

Cheap round-trip flights

5:05 am - 8:10 amONT-LIS

19h 05m2 stops

5:00 am - 8:44 pmLIS-ONT

23h 44m2 stops

$503United Airlines

Find Deal

mié., nov. 5 - mié., nov. 12

7:00 am - 8:55 amONT-LIS

17h 55m2 stops

5:00 am - 8:42 pmLIS-ONT

23h 42m2 stops

$505United Airlines

Find Deal

mié., nov. 26 - mié., dic. 3

4:47 pm - 9:45 pmONT-LIS

20h 58m2 stops

6:30 am - 9:11 pmLIS-ONT

22h 41m2 stops

$536

Find Deal

dom., nov. 2 - jue., nov. 13

4:47 pm - 9:45 pmONT-LIS

20h 58m2 stops

7:00 am - 9:59 pmLIS-ONT

22h 59m2 stops

$551British Airways

Find Deal

dom., nov. 2 - jue., nov. 13

10:47 am - 4:05 pmONT-LIS

21h 18m2 stops

8:20 am - 10:02 pmLIS-ONT

21h 42m2 stops

$565Iberia

Find Deal

jue., nov. 6 - vie., feb. 6

7:05 am - 8:55 amONT-LIS

17h 50m2 stops

11:15 am - 10:41 pmLIS-ONT

19h 26m2 stops

$609Delta

Find Deal

jue., nov. 27 - mié., dic. 3

7:05 am - 8:00 amONT-LIS

16h 55m2 stops

10:00 am - 10:41 pmLIS-ONT

20h 41m2 stops

$617Delta

Find Deal

lun., nov. 24 - mié., dic. 3

4:49 pm - 11:05 pmONT-LIS

22h 16m2 stops

7:05 am - 9:49 pmLIS-ONT

21h 44m2 stops

$791British Airways

Find Deal

dom., oct. 19 - dom., oct. 26

6:10 am - 7:40 amONT-LIS

17h 30m2 stops

8:45 pm - 9:57 amLIS-ONT

21h 12m2 stops

$846Iberia

Find Deal

jue., nov. 6 - lun., nov. 17

7:47 pm - 3:30 pmONT-LIS

35h 43m2 stops

5:55 am - 12:03 amLIS-ONT

26h 08m2 stops

$1,038

Find Deal

vie., oct. 3 - sáb., oct. 11

Iberia flights from Ontario to Portugal

Our best Iberia deals on Ontario to Portugal flight tickets

Iberia

Nov 6

ONT10:47 amOntario

21h 18m

2 stops

LIS4:05 pmLisbon Humberto Delgado

Feb 6

LIS8:20 amLisbon Humberto Delgado

21h 42m

2 stops

ONT10:02 pmOntario

$565

Find similar

Iberia

Nov 6

ONT6:10 amOntario

17h 30m

2 stops

LIS7:40 amLisbon Humberto Delgado

Nov 17

LIS8:45 pmLisbon Humberto Delgado

21h 12m

2 stops

ONT9:57 amOntario

$846

Find similar

Iberia

Oct 3

ONT2:54 pmOntario

17h 01m

2 stops

OPO3:55 pmPorto

Oct 10

OPO12:20 pmPorto

19h 39m

2 stops

ONT11:59 pmOntario

$1,628

Find similar

British Airways flights from Ontario to Portugal

Our best British Airways deals on Ontario to Portugal flight tickets

British Airways

Nov 2

ONT4:47 pmOntario

20h 58m

2 stops

LIS9:45 pmLisbon Humberto Delgado

Nov 13

LIS7:00 amLisbon Humberto Delgado

22h 59m

2 stops

ONT9:59 pmOntario

$551

Find similar

British Airways

Oct 19

ONT4:49 pmOntario

22h 16m

2 stops

LIS11:05 pmLisbon Humberto Delgado

Oct 26

LIS7:05 amLisbon Humberto Delgado

21h 44m

2 stops

ONT9:49 pmOntario

$791

Find similar

British Airways

Oct 19

ONT4:49 pmOntario

22h 16m

2 stops

LIS11:05 pmLisbon Humberto Delgado

Oct 26

LIS7:05 amLisbon Humberto Delgado

21h 44m

2 stops

ONT9:49 pmOntario

$798

Find similar

Fly from

Fly to

Route

Depart

Return

Price

OntarioLisbon

ONT - LIS

ONTLIS

Ontario

mié. 11/5

5:05 am-8:10 am

2 stops19h 05m

Lisbon Humberto Delgado

mié. 11/12

5:00 am-8:44 pm

2 stops23h 44m

$503

OntarioLisbon

ONT - LIS

ONTLIS

Ontario

mié. 11/26

7:00 am-8:55 am

2 stops17h 55m

Lisbon Humberto Delgado

mié. 12/3

5:00 am-8:42 pm

2 stops23h 42m

$505

OntarioLisbon

ONT - LIS

ONTLIS

Ontario

dom. 11/2

4:47 pm-9:45 pm

2 stops20h 58m

Lisbon Humberto Delgado

jue. 11/13

6:30 am-9:11 pm

2 stops22h 41m

$536

OntarioLisbon

ONT - LIS

ONTLIS

Ontario

dom. 11/2

4:47 pm-9:45 pm

2 stops20h 58m

Lisbon Humberto Delgado

jue. 11/13

7:00 am-9:59 pm

2 stops22h 59m

$551

OntarioLisbon

ONT - LIS

ONTLIS

Ontario

jue. 11/6

10:47 am-4:05 pm

2 stops21h 18m

Lisbon Humberto Delgado

vie. 2/6

8:20 am-10:02 pm

2 stops21h 42m

$565

OntarioLisbon

ONT - LIS

ONTLIS

Ontario

jue. 11/27

7:05 am-8:55 am

2 stops17h 50m

Lisbon Humberto Delgado

mié. 12/3

11:15 am-10:41 pm

2 stops19h 26m

$609

OntarioLisbon

ONT - LIS

ONTLIS

Ontario

lun. 11/24

7:05 am-8:00 am

2 stops16h 55m

Lisbon Humberto Delgado

mié. 12/3

10:00 am-10:41 pm

2 stops20h 41m

$617

OntarioLisbon

ONT - LIS

ONTLIS

Ontario

dom. 10/19

4:49 pm-11:05 pm

2 stops22h 16m

Lisbon Humberto Delgado

dom. 10/26

7:05 am-9:49 pm

2 stops21h 44m

$791

OntarioLisbon

ONT - LIS

ONTLIS

Ontario

jue. 11/6

6:10 am-7:40 am

2 stops17h 30m

Lisbon Humberto Delgado

lun. 11/17

8:45 pm-9:57 am

2 stops21h 12m

$846

OntarioLisbon

ONT - LIS

ONTLIS

Ontario

vie. 10/3

7:47 pm-3:30 pm

2 stops35h 43m

Lisbon Humberto Delgado

sáb. 10/11

5:55 am-12:03 am

2 stops26h 08m

$1,038

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 day to depart on your flight to Portugal?

According to our data, Tuesday is the cheapest day to fly to Portugal from Ontario. The lowest ticket price found for a Tuesday departure recently was $752. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. The most expensive day to fly to Portugal is Saturday, with ticket prices averaging around $1,451.

What is the cheapest time of day to depart on your flight to Portugal?

Our most recent data shows that the best time of day to fly to Portugal is in the afternoon. Flights from Ontario to Portugal during this time can be as low as $1,054. At noon is when there is more demand to fly to Portugal, so prices are often more expensive at around $1,230 per ticket.

Cheap Ontario to Portugal flight deals and tips

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

Direct flights	None

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

Search flight deals

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 is 1 operator available for flights from Ontario Airport to Portugal as of August 2025.
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 $568	Free Cancellation	Rating 7.4 8,943 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.

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.

Start using Trips

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dom. 8/31

dom. 9/7

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Find better results for your trip to Portugal

Popular cities in Portugal

Flights to Lisbonfrom $361

Flights to Portofrom $352

Flights to Funchalfrom $346

Flights to Farofrom $355

Flights to Ponta Delgadafrom $449

Flights to Lajesfrom $504

Flights to Hortafrom $588

Flights to Pico Islandfrom $588

Flights to Porto Santofrom $615

Flights to Velasfrom $594

Cheap flights from Ontario to Portugal from $320

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 9/29. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

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Price Alerts

Find the cheapest flights from Ontario to Portugal

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Iberia flights from Ontario to Portugal

Our best Iberia deals on Ontario to Portugal flight tickets

British Airways flights from Ontario to Portugal

Our best British Airways deals on Ontario to Portugal flight tickets

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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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 day to depart on your flight to Portugal?

What is the cheapest time of day to depart on your flight to Portugal?

Our most recent data shows that the best time of day to fly to Portugal is in the afternoon. Flights from Ontario to Portugal during this time can be as low as $1,054. At noon is when there is more demand to fly to Portugal, so prices are often more expensive at around $1,230 per ticket.

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

United Airlines, Air Canada, and Air France are the most popular carriers operating 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

Direct flights

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

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?

What documentation or ID do you need to fly 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?

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

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

How can momondo help me find flights 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?

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