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Cheap flights from Ontario to Lisbon from $264

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 4/28. 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
0 bags

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Find the cheapest flights from Ontario to Lisbon

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
6:00 am - 8:10 am
ONT
-
LIS
18h 10m
2 stops
United Airlines Logo
6:10 am - 5:41 pm
LIS
-
ONT
19h 31m
2 stops
$497United Airlines
Mon, Feb 23 - Mon, Mar 2
United Airlines Logo
6:00 am - 8:10 am
ONT
-
LIS
18h 10m
2 stops
United Airlines Logo
5:00 am - 9:18 pm
LIS
-
ONT
24h 18m
2 stops
$500United Airlines
Sun, Mar 1 - Sun, Mar 8
United Airlines Logo
6:05 am - 8:20 am
ONT
-
LIS
18h 15m
2 stops
United Airlines Logo
6:15 am - 6:02 pm
LIS
-
ONT
19h 47m
2 stops
$502United Airlines
Tue, Apr 14 - Tue, Apr 28
British Airways Logo
5:02 pm - 6:00 pm
ONT
-
LIS
16h 58m
2 stops
British Airways Logo
7:05 am - 10:07 pm
LIS
-
ONT
22h 02m
2 stops
$508British Airways
Thu, Feb 26 - Tue, Mar 10
United Airlines Logo
5:00 am - 10:15 am
ONT
-
LIS
21h 15m
3 stops
United Airlines Logo
11:55 am - 8:50 pm
LIS
-
ONT
39h 55m
2 stops
$517United Airlines
Wed, Mar 4 - Sun, Mar 8
United Airlines Logo
5:00 am - 10:30 am
ONT
-
LIS
21h 30m
2 stops
United Airlines Logo
11:25 am - 5:52 pm
LIS
-
ONT
38h 27m
2 stops
$522United Airlines
Tue, May 5 - Tue, May 19
United Airlines Logo
1:45 pm - 10:15 am
ONT
-
LIS
36h 30m
2 stops
United Airlines Logo
11:55 am - 8:50 pm
LIS
-
ONT
39h 55m
2 stops
$523United Airlines
Wed, Mar 4 - Sun, Mar 8
United Airlines Logo
5:00 am - 11:30 pm
ONT
-
LIS
34h 30m
2 stops
United Airlines Logo
11:55 am - 10:18 pm
LIS
-
ONT
41h 23m
2 stops
$525United Airlines
Wed, Mar 4 - Sun, Mar 8
United Airlines Logo
5:00 am - 10:15 am
ONT
-
LIS
21h 15m
3 stops
United Airlines Logo
11:55 am - 5:41 pm
LIS
-
ONT
60h 46m
3 stops
$528United Airlines
Wed, Mar 4 - Sun, Mar 8
British Airways Logo
12:19 pm - 10:05 am
ONT
-
LIS
37h 46m
2 stops
British Airways Logo
6:45 pm - 6:24 pm
LIS
-
ONT
31h 39m
2 stops
$538British Airways
Sun, Apr 26 - Tue, May 12

United Airlines flights from Ontario to Lisbon

Our best United Airlines deals on Ontario to Lisbon flight tickets
United Airlines
Feb 23
ONT6:00 amOntario
18h 10m
2 stops
LIS8:10 amLisbon Humberto Delgado
Mar 2
LIS6:10 amLisbon Humberto Delgado
19h 31m
2 stops
ONT5:41 pmOntario
$497
United Airlines
Mar 1
ONT6:00 amOntario
18h 10m
2 stops
LIS8:10 amLisbon Humberto Delgado
Mar 8
LIS5:00 amLisbon Humberto Delgado
24h 18m
2 stops
ONT9:18 pmOntario
$500
United Airlines
Apr 14
ONT6:05 amOntario
18h 15m
2 stops
LIS8:20 amLisbon Humberto Delgado
Apr 28
LIS6:15 amLisbon Humberto Delgado
22h 21m
2 stops
ONT8:36 pmOntario
$502

British Airways flights from Ontario to Lisbon

Our best British Airways deals on Ontario to Lisbon flight tickets
British Airways
Feb 26
ONT5:02 pmOntario
16h 58m
2 stops
LIS6:00 pmLisbon Humberto Delgado
Mar 10
LIS7:05 amLisbon Humberto Delgado
22h 02m
2 stops
ONT10:07 pmOntario
$508
British Airways
Apr 26
ONT12:19 pmOntario
37h 46m
2 stops
LIS10:05 amLisbon Humberto Delgado
May 12
LIS6:45 pmLisbon Humberto Delgado
31h 39m
2 stops
ONT6:24 pmOntario
$538
British Airways
Mar 1
ONT2:39 pmOntario
19h 06m
2 stops
LIS5:45 pmLisbon Humberto Delgado
Mar 31
LIS6:45 pmLisbon Humberto Delgado
35h 34m
2 stops
ONT10:19 pmOntario
$587

momondo Fare Finder

 
Customize your flight search to find flights from Ontario to Lisbon 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 January 27, 2026.
Use the filters below to find and compare flights from Ontario to Lisbon that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

OntarioLisbon

ONT - LIS

ONTLIS

Ontario

Mon 2/23

6:00 am-8:10 am

2 stops18h 10m

Lisbon Humberto Delgado

Mon 3/2

6:10 am-5:41 pm

2 stops19h 31m

$497

OntarioLisbon

ONT - LIS

ONTLIS

Ontario

Sun 3/1

6:00 am-8:10 am

2 stops18h 10m

Lisbon Humberto Delgado

Sun 3/8

5:00 am-9:18 pm

2 stops24h 18m

$500

OntarioLisbon

ONT - LIS

ONTLIS

Ontario

Tue 4/14

6:05 am-8:20 am

2 stops18h 15m

Lisbon Humberto Delgado

Tue 4/28

6:15 am-6:02 pm

2 stops19h 47m

$502

OntarioLisbon

ONT - LIS

ONTLIS

Ontario

Thu 2/26

5:02 pm-6:00 pm

2 stops16h 58m

Lisbon Humberto Delgado

Tue 3/10

7:05 am-10:07 pm

2 stops22h 02m

$508

OntarioLisbon

ONT - LIS

ONTLIS

Ontario

Wed 3/4

5:00 am-10:15 am

3 stops21h 15m

Lisbon Humberto Delgado

Sun 3/8

11:55 am-8:50 pm

2 stops39h 55m

$517

OntarioLisbon

ONT - LIS

ONTLIS

Ontario

Tue 5/5

5:00 am-10:30 am

2 stops21h 30m

Lisbon Humberto Delgado

Tue 5/19

11:25 am-5:52 pm

2 stops38h 27m

$522

OntarioLisbon

ONT - LIS

ONTLIS

Ontario

Wed 3/4

1:45 pm-10:15 am

2 stops36h 30m

Lisbon Humberto Delgado

Sun 3/8

11:55 am-8:50 pm

2 stops39h 55m

$523

OntarioLisbon

ONT - LIS

ONTLIS

Ontario

Wed 3/4

5:00 am-11:30 pm

2 stops34h 30m

Lisbon Humberto Delgado

Sun 3/8

11:55 am-10:18 pm

2 stops41h 23m

$525

OntarioLisbon

ONT - LIS

ONTLIS

Ontario

Wed 3/4

5:00 am-10:15 am

3 stops21h 15m

Lisbon Humberto Delgado

Sun 3/8

11:55 am-5:41 pm

3 stops60h 46m

$528

OntarioLisbon

ONT - LIS

ONTLIS

Ontario

Sun 4/26

12:19 pm-10:05 am

2 stops37h 46m

Lisbon Humberto Delgado

Tue 5/12

6:45 pm-6:24 pm

2 stops31h 39m

$538

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 Lisbon from

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 $515. 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 $774.

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 evening when flights can be purchased for as low as $537. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $657 on average. Flights to Lisbon from Ontario in the afternoon 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

Fastest flight time

16h 10m

Direct flights

None
The fastest flight from Ontario to Lisbon takes 16h 10m
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 10m, 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?

  • 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?

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 AirlinesPriceFrom $515Free CancellationRating
7.4
9,205 reviews
Search United Airlines flights
DeltaPriceFrom $582Free CancellationRating
7.9
8,119 reviews
Search Delta flights

Traveling to a place near Lisbon?

Book flights to Lisbon if you plan to visit one of these locations
Sintra
Ericeira
Fátima
Nazaré
Setúbal
Estoril
Peniche
Leiria
Oeiras
Sesimbra
Evora
Tomar
Figueira da Foz
Zambujeira do Mar
Batalha
Óbidos
Comporta
Torres Vedras
Sines
Almada

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.

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