Find Cheap Flights from Ontario to Portugal

Depart
Return
1 adult
Adults
18-64
Seniors
65+
Youths
12-17
Children
2-11
Seat Infants
under 2
Lap Infants
under 2
The price shown for each flight will be the average for all passengers including any infants.
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Book cheap flights from Ontario to Portugal

(Round-trip)
Depart: Mon Apr 16 2018 Return: Fri Apr 27 2018 Trip spans 12 days
$1013
Select
United
United
ONT
12:00a
LIS
6:00p
18h 00m
2 stops
LIS
12:00a
ONT
7:43p
19h 43m
2 stops
Depart: Wed Jan 17 2018 Return: Tue Jan 23 2018 Trip spans 7 days
$1092
Select
British Airways
British Airways
ONT
12:00a
LIS
10:50p
22h 50m
2 stops
LIS
12:00a
ONT
7:31a
31h 31m
2 stops
Depart: Fri Dec 8 2017 Return: Sun Dec 10 2017 Trip spans 3 days
$1180
Select
Air France
Air France
ONT
12:00a
LIS
11:20p
23h 20m
2 stops
LIS
12:00a
ONT
8:25p
20h 25m
2 stops
Depart: Fri Mar 16 2018 Return: Sun Mar 25 2018 Trip spans 10 days
$1092
Select
British Airways
British Airways
ONT
12:00a
LIS
12:03a
24h 03m
2 stops
LIS
12:00a
ONT
7:58p
19h 58m
2 stops
Depart: Sat Oct 21 2017 Return: Fri Oct 27 2017 Trip spans 7 days
$2677
Select
American Airlines
American Airlines
ONT
12:00a
LIS
3:20p
15h 20m
2 stops
LIS
12:00a
ONT
6:55p
18h 55m
2 stops
Depart: Fri Nov 10 2017 Return: Fri Nov 24 2017 Trip spans 15 days
$1439
Select
British Airways
British Airways
ONT
12:00a
LIS
11:55p
23h 55m
2 stops
LIS
12:00a
ONT
8:44p
20h 44m
2 stops
Depart: Thu Oct 26 2017 Return: Tue Oct 31 2017 Trip spans 6 days
$2120
Select
United
United
ONT
12:00a
LIS
4:20p
16h 20m
2 stops
LIS
12:00a
ONT
6:42a
30h 42m
2 stops
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

We attempt to get accurate prices, however, prices are not guaranteed.

Here's why:

We’re not the seller.
At KAYAK we don’t set the prices, so it’s not possible for us to guarantee what other companies are selling.

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Our service lets you quickly and easily compare results from hundreds of travel sites at once. In this sense, KAYAK is a search engine and we can't guarantee prices we find.

Why aren’t prices accurate 100% of the time?
Prices on airline seats, hotel rooms and car rentals can change frequently. Several people may also be trying to buy the same travel option simultaneously. As a result, you may find, on occasion, that certain prices are no longer available.

If you have more questions or if you have a bad price to report to us,
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Airports
Origin

Ontario
$1013
Destination

Lisbon
$1013