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Cheap flights from Ontario to Lisbon from $382

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 1/12. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Ontario to Lisbon

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
5:00 am - 6:55 am
ONT
-
LIS
18h 55m
2 stops
United Airlines Logo
5:00 am - 8:15 pm
LIS
-
ONT
23h 15m
2 stops
$761United Airlines
Wed, Oct 28 - Wed, Nov 4
United Airlines Logo
5:00 am - 6:55 am
ONT
-
LIS
17h 55m
2 stops
United Airlines Logo
5:00 am - 5:47 pm
LIS
-
ONT
20h 47m
2 stops
$762United Airlines
Wed, Dec 2 - Wed, Jan 20
United Airlines Logo
5:00 am - 6:55 am
ONT
-
LIS
17h 55m
2 stops
United Airlines Logo
5:00 am - 5:47 pm
LIS
-
ONT
20h 47m
2 stops
$762United Airlines
Wed, Dec 9 - Wed, Jan 13
United Airlines Logo
5:45 am - 8:10 am
ONT
-
LIS
18h 25m
2 stops
United Airlines Logo
5:00 am - 5:47 pm
LIS
-
ONT
20h 47m
2 stops
$764United Airlines
Tue, Dec 29 - Wed, Jan 13
Delta Logo
10:59 pm - 5:30 pm
ONT
-
LIS
34h 31m
2 stops
Delta Logo
12:25 pm - 11:27 am
LIS
-
ONT
55h 02m
2 stops
$819Delta
Tue, Dec 29 - Tue, Jan 5
Delta Logo
7:00 am - 11:20 am
ONT
-
LIS
20h 20m
2 stops
Delta Logo
12:25 pm - 11:27 am
LIS
-
ONT
55h 02m
2 stops
$819Delta
Wed, Dec 30 - Tue, Jan 5
Delta Logo
7:05 am - 5:50 pm
ONT
-
LIS
26h 45m
2 stops
Delta Logo
11:55 am - 11:55 pm
LIS
-
ONT
44h 00m
2 stops
$824Delta
Mon, Oct 5 - Tue, Oct 13
Multiple Airlines Logo
9:25 am - 9:20 am
ONT
-
LIS
15h 55m
2 stops
Multiple Airlines Logo
11:20 am - 8:51 pm
LIS
-
ONT
17h 31m
2 stops
$889Multiple Airlines
Mon, Nov 2 - Wed, Nov 18
Multiple Airlines Logo
9:25 am - 9:20 am
ONT
-
LIS
15h 55m
2 stops
Multiple Airlines Logo
11:20 am - 8:51 pm
LIS
-
ONT
17h 31m
2 stops
$889Multiple Airlines
Tue, Nov 10 - Tue, Nov 17
Air Canada Logo
1:56 pm - 11:05 am
ONT
-
LIS
37h 09m
2 stops
Air Canada Logo
11:25 am - 12:46 pm
LIS
-
ONT
33h 21m
2 stops
$979Air Canada
Mon, Sep 14 - Wed, Sep 23

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United Airlines flights from Ontario to Lisbon

Our best United Airlines deals on Ontario to Lisbon flight tickets
United Airlines
Oct 28
ONT5:00 amOntario
18h 55m
2 stops
LIS6:55 amLisbon Humberto Delgado
Nov 4
LIS5:00 amLisbon Humberto Delgado
23h 15m
2 stops
ONT8:15 pmOntario
$761
United Airlines
Dec 2
ONT5:00 amOntario
17h 55m
2 stops
LIS6:55 amLisbon Humberto Delgado
Jan 20
LIS5:00 amLisbon Humberto Delgado
20h 47m
2 stops
ONT5:47 pmOntario
$762
United Airlines
Dec 29
ONT5:45 amOntario
18h 25m
2 stops
LIS8:10 amLisbon Humberto Delgado
Jan 13
LIS5:00 amLisbon Humberto Delgado
20h 47m
2 stops
ONT5:47 pmOntario
$764

Delta flights from Ontario to Lisbon

Our best Delta deals on Ontario to Lisbon flight tickets
Delta
Oct 4
ONT11:54 amOntario
21h 56m
2 stops
LIS5:50 pmLisbon Humberto Delgado
Oct 14
LIS5:00 amLisbon Humberto Delgado
26h 55m
2 stops
ONT11:55 pmOntario
$824
Delta
Oct 7
ONT12:18 pmOntario
22h 27m
2 stops
LIS6:45 pmLisbon Humberto Delgado
Oct 14
LIS5:00 amLisbon Humberto Delgado
26h 55m
2 stops
ONT11:55 pmOntario
$828
Delta
Oct 4
ONT11:54 amOntario
21h 56m
2 stops
LIS5:50 pmLisbon Humberto Delgado
Oct 15
LIS5:35 amLisbon Humberto Delgado
19h 37m
2 stops
ONT5:12 pmOntario
$831

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 July 30, 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

Cheapest round-trip

OntarioLisbon

ONT - LIS

ONTLIS

Ontario

Wed 10/28

5:00 am-6:55 am

2 stops18h 55m

Lisbon Humberto Delgado

Wed 11/4

5:00 am-8:15 pm

2 stops23h 15m

$761

OntarioLisbon

ONT - LIS

ONTLIS

Ontario

Wed 12/2

5:00 am-6:55 am

2 stops17h 55m

Lisbon Humberto Delgado

Wed 1/20

5:00 am-5:47 pm

2 stops20h 47m

$762

OntarioLisbon

ONT - LIS

ONTLIS

Ontario

Wed 12/9

5:00 am-6:55 am

2 stops17h 55m

Lisbon Humberto Delgado

Wed 1/13

5:00 am-5:47 pm

2 stops20h 47m

$762

OntarioLisbon

ONT - LIS

ONTLIS

Ontario

Tue 12/29

5:45 am-8:10 am

2 stops18h 25m

Lisbon Humberto Delgado

Wed 1/13

5:00 am-5:47 pm

2 stops20h 47m

$764

OntarioLisbon

ONT - LIS

ONTLIS

Ontario

Tue 12/29

10:59 pm-5:30 pm

2 stops34h 31m

Lisbon Humberto Delgado

Tue 1/5

12:25 pm-11:27 am

2 stops55h 02m

$819

OntarioLisbon

ONT - LIS

ONTLIS

Ontario

Wed 12/30

7:00 am-11:20 am

2 stops20h 20m

Lisbon Humberto Delgado

Tue 1/5

12:25 pm-11:27 am

2 stops55h 02m

$819

OntarioLisbon

ONT - LIS

ONTLIS

Ontario

Mon 10/5

7:05 am-5:50 pm

2 stops26h 45m

Lisbon Humberto Delgado

Tue 10/13

11:55 am-11:55 pm

2 stops44h 00m

$824
Quickest round-trip

OntarioLisbon

ONT - LIS

ONTLIS

Ontario

Mon 11/2

9:25 am-9:20 am

2 stops15h 55m

Lisbon Humberto Delgado

Wed 11/18

11:20 am-8:51 pm

2 stops17h 31m

$889

OntarioLisbon

ONT - LIS

ONTLIS

Ontario

Tue 11/10

9:25 am-9:20 am

2 stops15h 55m

Lisbon Humberto Delgado

Tue 11/17

11:20 am-8:51 pm

2 stops17h 31m

$889

OntarioLisbon

ONT - LIS

ONTLIS

Ontario

Mon 9/14

1:56 pm-11:05 am

2 stops37h 09m

Lisbon Humberto Delgado

Wed 9/23

11:25 am-12:46 pm

2 stops33h 21m

$979

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 month to fly to Lisbon?

In general, December is the cheapest month to fly from Ontario to Lisbon. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $0. If you are unable to visit Lisbon during the month of December, then departing from Ontario during the month October is also very affordable. Most momondo users find prices during this month for around $634.

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 $568. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Ontario to Lisbon for around $858.

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 $723. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $943 on average. Flights to Lisbon from Ontario in the evening 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 05m

Direct flights

None
The fastest flight from Ontario to Lisbon takes 16h 05m
There are no direct flights from Ontario to Lisbon. There are no popular flight routes from Ontario to Lisbon.
Search flight deals

Frequently asked questions about flying from Ontario to Lisbon

  • 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 05m, 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
10,052 reviews
Search United Airlines flights
DeltaPriceFrom $582Free CancellationRating
7.8
8,494 reviews
Search Delta flights

Traveling to a place near Lisbon?

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

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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