What is the cheapest airline that flies from Ontario to Lisbon Humberto Delgado?

Delta, United Airlines, and Air Canada are the most popular carriers operating from Ontario to Lisbon Humberto Delgado

What airlines fly to Lisbon?

TAP AIR PORTUGAL, United Airlines and British Airways are the top three most popular airlines that fly to Lisbon from Ontario according to our data. TAP AIR PORTUGAL is the first choice among our users, with 30% of people opting to fly with this airline when traveling to Lisbon. Keep in mind that there are 18 different airlines that fly to Lisbon 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 Lisbon Humberto Delgado Airport?

Prices for flights from Ontario Airport to Lisbon Humberto Delgado Airport are updated daily.

How many operators does momondo search for flights from Ontario Airport to Lisbon Humberto Delgado Airport?

As of August 2025, there is 1 operator available to choose from for flights from Ontario Airport to Lisbon Humberto Delgado Airport.

How old do you have to be to fly from Ontario Airport to Lisbon Humberto Delgado Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Ontario Airport to Lisbon Humberto Delgado Airport.

What documentation or ID do you need to fly to Lisbon Humberto Delgado Airport?

The necessary travel and health documents for your Lisbon Humberto Delgado Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$292 Cheap Flights from Ontario to Lisbon (ONT-LIS) in 2025

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Find the cheapest flights from Ontario to Lisbon (ONT-LIS)

Round-trip

One-way

Last minute

Cheap round-trip flights

7:00 am - 8:10 amONT-LIS

18h 10m2 stops

5:00 am - 8:44 pmLIS-ONT

23h 44m2 stops

$503United Airlines

Find Deal

Mon, Oct 27 - Tue, Nov 4

7:00 am - 8:55 amONT-LIS

17h 55m2 stops

5:00 am - 8:42 pmLIS-ONT

23h 42m2 stops

$505United Airlines

Find Deal

Wed, Nov 26 - Wed, Dec 3

7:00 am - 8:10 amONT-LIS

17h 10m2 stops

10:15 am - 8:44 pmLIS-ONT

18h 29m2 stops

$510United Airlines

Find Deal

Tue, Nov 4 - Thu, Nov 20

5:05 am - 11:30 pmONT-LIS

34h 25m2 stops

6:10 am - 12:37 pmLIS-ONT

38h 27m2 stops

$532United Airlines

Find Deal

Sun, Nov 2 - Thu, 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

Sun, Nov 2 - Thu, 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

Thu, Nov 6 - Fri, Feb 6

11:36 am - 2:50 pmONT-LIS

19h 14m2 stops

5:40 am - 5:10 pmLIS-ONT

19h 30m2 stops

$637Delta

Find Deal

Tue, Oct 7 - Wed, Oct 15

7:05 am - 10:00 amONT-LIS

18h 55m2 stops

5:30 am - 4:14 pmLIS-ONT

18h 44m2 stops

$664Delta

Find Deal

Sat, Oct 25 - Mon, Nov 10

9:55 am - 2:50 pmONT-LIS

20h 55m2 stops

5:40 am - 10:23 pmLIS-ONT

24h 43m2 stops

$704Air France

Find Deal

Tue, Sep 16 - Wed, Sep 24

4:49 pm - 11:05 pmONT-LIS

22h 16m2 stops

7:05 am - 9:49 pmLIS-ONT

21h 44m2 stops

$791British Airways

Find Deal

Sun, Oct 19 - Sun, Oct 26

United Airlines flights from Ontario to Lisbon

Our best United Airlines deals on Ontario to Lisbon flight tickets

United Airlines

Oct 27

ONT7:00 amOntario

18h 10m

2 stops

LIS8:10 amLisbon Humberto Delgado

Nov 4

LIS5:00 amLisbon Humberto Delgado

23h 44m

2 stops

ONT8:44 pmOntario

$503

Find similar

United Airlines

Nov 26

ONT7:00 amOntario

17h 55m

2 stops

LIS8:55 amLisbon Humberto Delgado

Dec 3

LIS5:00 amLisbon Humberto Delgado

23h 42m

2 stops

ONT8:42 pmOntario

$505

Find similar

United Airlines

Nov 4

ONT7:00 amOntario

17h 10m

2 stops

LIS8:10 amLisbon Humberto Delgado

Nov 20

LIS10:15 amLisbon Humberto Delgado

18h 29m

2 stops

ONT8:44 pmOntario

$510

Find similar

British Airways flights from Ontario to Lisbon

Our best British Airways deals on Ontario to Lisbon 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

$806

Find similar

Fly from

Fly to

Route

Depart

Return

Price

OntarioLisbon

ONT - LIS

ONTLIS

Ontario

Mon 10/27

7:00 am-8:10 am

2 stops18h 10m

Lisbon Humberto Delgado

Tue 11/4

5:00 am-8:44 pm

2 stops23h 44m

$503

OntarioLisbon

ONT - LIS

ONTLIS

Ontario

Wed 11/26

7:00 am-8:55 am

2 stops17h 55m

Lisbon Humberto Delgado

Wed 12/3

5:00 am-8:42 pm

2 stops23h 42m

$505

OntarioLisbon

ONT - LIS

ONTLIS

Ontario

Tue 11/4

7:00 am-8:10 am

2 stops17h 10m

Lisbon Humberto Delgado

Thu 11/20

10:15 am-8:44 pm

2 stops18h 29m

$510

OntarioLisbon

ONT - LIS

ONTLIS

Ontario

Sun 11/2

5:05 am-11:30 pm

2 stops34h 25m

Lisbon Humberto Delgado

Thu 11/13

6:10 am-12:37 pm

2 stops38h 27m

$532

OntarioLisbon

ONT - LIS

ONTLIS

Ontario

Sun 11/2

4:47 pm-9:45 pm

2 stops20h 58m

Lisbon Humberto Delgado

Thu 11/13

7:00 am-9:59 pm

2 stops22h 59m

$551

OntarioLisbon

ONT - LIS

ONTLIS

Ontario

Thu 11/6

10:47 am-4:05 pm

2 stops21h 18m

Lisbon Humberto Delgado

Fri 2/6

8:20 am-10:02 pm

2 stops21h 42m

$565

OntarioLisbon

ONT - LIS

ONTLIS

Ontario

Tue 10/7

11:36 am-2:50 pm

2 stops19h 14m

Lisbon Humberto Delgado

Wed 10/15

5:40 am-5:10 pm

2 stops19h 30m

$637

OntarioLisbon

ONT - LIS

ONTLIS

Ontario

Sat 10/25

7:05 am-10:00 am

2 stops18h 55m

Lisbon Humberto Delgado

Mon 11/10

5:30 am-4:14 pm

2 stops18h 44m

$664

OntarioLisbon

ONT - LIS

ONTLIS

Ontario

Tue 9/16

9:55 am-2:50 pm

2 stops20h 55m

Lisbon Humberto Delgado

Wed 9/24

5:40 am-10:23 pm

2 stops24h 43m

$704

OntarioLisbon

ONT - LIS

ONTLIS

Ontario

Sun 10/19

4:49 pm-11:05 pm

2 stops22h 16m

Lisbon Humberto Delgado

Sun 10/26

7:05 am-9:49 pm

2 stops21h 44m

$791

Flights are sorted by cheapest round-trip flights first.

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How to get the cheapest flight ticket from Ontario to Lisbon

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 Lisbon?

Our data shows that Thursday is the least expensive day to fly to Lisbon. Tickets to fly out on this day can be as low as $497. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Ontario to Lisbon for around $811.

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

The cheapest time of day to fly to Lisbon is in the afternoon when flights can be purchased for as low as $755. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $1,103 on average. Flights to Lisbon from Ontario at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

When to book flights from Ontario to Lisbon

Are you open to changing your travel dates? Check out the ideal times to fly from Ontario to Lisbon according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Ontario to Lisbon (ONT to LIS) flight deals and tips

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

Direct flights	None

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

Search flight deals

How far is Ontario to Lisbon Humberto Delgado by plane?
Lisbon Humberto Delgado is 5638.1 mi away from Ontario. Flights usually cover this in 16h 55m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Ontario Airport to Lisbon Humberto Delgado Airport?
Prices for flights from Ontario Airport to Lisbon Humberto Delgado Airport are updated daily.
How many operators does momondo search for flights from Ontario Airport to Lisbon Humberto Delgado Airport?
As of August 2025, there is 1 operator available to choose from for flights from Ontario Airport to Lisbon Humberto Delgado Airport.
How old do you have to be to fly from Ontario Airport to Lisbon Humberto Delgado Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Ontario Airport to Lisbon Humberto Delgado Airport.
What documentation or ID do you need to fly to Lisbon Humberto Delgado Airport?
The necessary travel and health documents for your Lisbon Humberto Delgado Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Ontario to Lisbon?
momondo data reveals that the most frequently booked airline on the route from Ontario to Lisbon is United Airlines, representing 100% of all bookings.

Best airlines flying from Ontario to Lisbon

Compare and see reviews for airlines that fly from Ontario to Lisbon with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $568	Free Cancellation	Rating 7.4 8,940 reviews		Search United Airlines flights

Sintra

Fátima

Nazaré

Ericeira

Setúbal

Oeiras

Almada

Tomar

Peniche

Evora

Estoril

Sesimbra

Leiria

Figueira da Foz

Zambujeira do Mar

Torres Vedras

Batalha

Óbidos

Comporta

Costa da Caparica

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Lisbon from Ontario.

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

Flights from Ontario to Lisbon with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

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 Lisbon.

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

If you are simply researching potential flights to Lisbon, momondo offers a useful price alert feature which will track prices for flights to Lisbon from Ontario and alert you when they change.

An easier way to manage your Lisbon 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.

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Cheap flights from Ontario to Lisbon from $292

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 Lisbon departing on 11/15. 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

Price Alerts

Price Alerts

Find the cheapest flights from Ontario to Lisbon (ONT-LIS)

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

United Airlines flights from Ontario to Lisbon

Our best United Airlines deals on Ontario to Lisbon flight tickets

British Airways flights from Ontario to Lisbon

Our best British Airways deals on Ontario to Lisbon flight tickets

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

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How to get the cheapest flight ticket from Ontario to Lisbon

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 Lisbon?

Our data shows that Thursday is the least expensive day to fly to Lisbon. Tickets to fly out on this day can be as low as $497. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Ontario to Lisbon for around $811.

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

What is the cheapest airline that flies from Ontario to Lisbon Humberto Delgado?

Delta, United Airlines, and Air Canada are the most popular carriers operating from Ontario to Lisbon Humberto Delgado

What airlines fly to Lisbon?

When to book flights from Ontario to Lisbon

Cheap Ontario to Lisbon (ONT to LIS) flight deals and tips

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

Direct flights

How far is Ontario to Lisbon Humberto Delgado by plane?

When did momondo last update prices for flights from Ontario Airport to Lisbon Humberto Delgado Airport?

How many operators does momondo search for flights from Ontario Airport to Lisbon Humberto Delgado Airport?

How old do you have to be to fly from Ontario Airport to Lisbon Humberto Delgado Airport?

What documentation or ID do you need to fly to Lisbon Humberto Delgado Airport?

What is the most popular airline from Ontario to Lisbon?

Best airlines flying from Ontario to Lisbon

Compare and see reviews for airlines that fly from Ontario to Lisbon with momondo

Traveling to a place near Lisbon?

Why use momondo?

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

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

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

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

An easier way to manage your Lisbon 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

Airports servicing Portugal