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Cheap flights from Ontario to Lisbon from $288

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 1/10. 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.
Air Canada Logo
5:05 am - 9:20 amONT-LIS
20h 15m2 stops
Air Canada Logo
11:20 am - 8:42 pmLIS-ONT
41h 22m2 stops
$489Air Canada
Find Deal
mar., dic. 2 - vie., dic. 12
United Airlines Logo
6:00 am - 8:55 amONT-LIS
18h 55m2 stops
United Airlines Logo
5:00 am - 8:58 pmLIS-ONT
23h 58m2 stops
$492United Airlines
Find Deal
mar., dic. 9 - mié., ene. 14
United Airlines Logo
5:05 am - 8:10 amONT-LIS
19h 05m2 stops
United Airlines Logo
11:20 am - 8:42 pmLIS-ONT
41h 22m2 stops
$494United Airlines
Find Deal
mié., dic. 3 - vie., dic. 12
United Airlines Logo
5:05 am - 9:20 amONT-LIS
44h 15m2 stops
United Airlines Logo
11:20 am - 8:42 pmLIS-ONT
41h 22m2 stops
$496United Airlines
Find Deal
sáb., nov. 29 - vie., dic. 12
Delta Logo
7:05 am - 8:00 amONT-LIS
16h 55m2 stops
Delta Logo
5:00 am - 5:08 pmLIS-ONT
20h 08m2 stops
$548Delta
Find Deal
jue., nov. 13 - vie., dic. 5
Delta Logo
7:35 am - 9:00 amONT-LIS
18h 25m2 stops
Delta Logo
5:00 am - 11:04 pmLIS-ONT
26h 04m2 stops
$580Delta
Find Deal
sáb., nov. 1 - mié., nov. 12
Lufthansa Logo
7:00 am - 8:10 amONT-LIS
18h 10m2 stops
Lufthansa Logo
10:15 am - 10:31 pmLIS-ONT
20h 16m2 stops
$598Lufthansa
Find Deal
jue., oct. 30 - jue., nov. 13
British Airways Logo
12:48 pm - 2:45 pmONT-LIS
18h 57m2 stops
British Airways Logo
7:05 am - 11:57 pmLIS-ONT
24h 52m2 stops
$723British Airways
Find Deal
jue., oct. 30 - vie., nov. 21
British Airways Logo
11:59 pm - 5:40 pmONT-LIS
33h 41m2 stops
British Airways Logo
7:00 am - 11:55 pmLIS-ONT
24h 55m2 stops
$730British Airways
Find Deal
lun., dic. 1 - jue., dic. 11
Iberia Logo
7:00 am - 7:40 amONT-LIS
16h 40m2 stops
Iberia Logo
6:30 am - 10:19 pmLIS-ONT
23h 49m2 stops
$746Iberia
Find Deal
mar., dic. 2 - jue., dic. 11

United Airlines flights from Ontario to Lisbon

Our best United Airlines deals on Ontario to Lisbon flight tickets
United Airlines
Dec 9
ONT6:00 amOntario
18h 55m
2 stops
LIS8:55 amLisbon Humberto Delgado
Jan 14
LIS5:00 amLisbon Humberto Delgado
23h 58m
2 stops
ONT8:58 pmOntario
$492
Find similar
United Airlines
Dec 3
ONT5:05 amOntario
19h 05m
2 stops
LIS8:10 amLisbon Humberto Delgado
Dec 12
LIS11:20 amLisbon Humberto Delgado
41h 22m
2 stops
ONT8:42 pmOntario
$494
Find similar
United Airlines
Nov 29
ONT5:05 amOntario
44h 15m
2 stops
LIS9:20 amLisbon Humberto Delgado
Dec 12
LIS11:20 amLisbon Humberto Delgado
41h 22m
2 stops
ONT8:42 pmOntario
$496
Find similar

Delta flights from Ontario to Lisbon

Our best Delta deals on Ontario to Lisbon flight tickets
Delta
Nov 13
ONT7:05 amOntario
16h 55m
2 stops
LIS8:00 amLisbon Humberto Delgado
Dec 5
LIS5:00 amLisbon Humberto Delgado
20h 08m
2 stops
ONT5:08 pmOntario
$548
Find similar
Delta
Nov 1
ONT7:35 amOntario
18h 25m
2 stops
LIS9:00 amLisbon Humberto Delgado
Nov 12
LIS5:00 amLisbon Humberto Delgado
26h 04m
2 stops
ONT11:04 pmOntario
$580
Find similar

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 octubre 14, 2025.
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

mar. 12/2

5:05 am-9:20 am

2 stops20h 15m

Lisbon Humberto Delgado

vie. 12/12

11:20 am-8:42 pm

2 stops41h 22m

$489

OntarioLisbon

ONT - LIS

ONTLIS

Ontario

mar. 12/9

6:00 am-8:55 am

2 stops18h 55m

Lisbon Humberto Delgado

mié. 1/14

5:00 am-8:58 pm

2 stops23h 58m

$492

OntarioLisbon

ONT - LIS

ONTLIS

Ontario

mié. 12/3

5:05 am-8:10 am

2 stops19h 05m

Lisbon Humberto Delgado

vie. 12/12

11:20 am-8:42 pm

2 stops41h 22m

$494

OntarioLisbon

ONT - LIS

ONTLIS

Ontario

sáb. 11/29

5:05 am-9:20 am

2 stops44h 15m

Lisbon Humberto Delgado

vie. 12/12

11:20 am-8:42 pm

2 stops41h 22m

$496

OntarioLisbon

ONT - LIS

ONTLIS

Ontario

jue. 11/13

7:05 am-8:00 am

2 stops16h 55m

Lisbon Humberto Delgado

vie. 12/5

5:00 am-5:08 pm

2 stops20h 08m

$548

OntarioLisbon

ONT - LIS

ONTLIS

Ontario

sáb. 11/1

7:35 am-9:00 am

2 stops18h 25m

Lisbon Humberto Delgado

mié. 11/12

5:00 am-11:04 pm

2 stops26h 04m

$580

OntarioLisbon

ONT - LIS

ONTLIS

Ontario

jue. 10/30

7:00 am-8:10 am

2 stops18h 10m

Lisbon Humberto Delgado

jue. 11/13

10:15 am-10:31 pm

2 stops20h 16m

$598

OntarioLisbon

ONT - LIS

ONTLIS

Ontario

jue. 10/30

12:48 pm-2:45 pm

2 stops18h 57m

Lisbon Humberto Delgado

vie. 11/21

7:05 am-11:57 pm

2 stops24h 52m

$723

OntarioLisbon

ONT - LIS

ONTLIS

Ontario

lun. 12/1

11:59 pm-5:40 pm

2 stops33h 41m

Lisbon Humberto Delgado

jue. 12/11

7:00 am-11:55 pm

2 stops24h 55m

$730

OntarioLisbon

ONT - LIS

ONTLIS

Ontario

mar. 12/2

7:00 am-7:40 am

2 stops16h 40m

Lisbon Humberto Delgado

jue. 12/11

6:30 am-10:19 pm

2 stops23h 49m

$746

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 $491. 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 $785.

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 $336. 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 15h 34m, 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
8,976 reviews
Search United Airlines flights
DeltaPriceFrom $582Free CancellationRating
7.9
7,975 reviews
Search Delta flights

Traveling to a place near Lisbon?

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

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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