Find Deals on 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 May 1 2017 Return: Tue May 9 2017 Trip spans 9 days
$1030
Select
American Airlines
American Airlines
ONT
9:15p
LIS
9:15p
24h 00m
2 stops
LIS
8:15a
ONT
2:05p
29h 50m
2 stops
Depart: Sat May 6 2017 Return: Mon May 15 2017 Trip spans 10 days
$1068
Select
British Airways
British Airways
ONT
10:30a
LIS
11:15a
24h 45m
2 stops
LIS
7:10a
ONT
2:05p
30h 55m
2 stops
Depart: Tue May 2 2017 Return: Sun May 7 2017 Trip spans 6 days
$1071
Select
Major Airline
Major Airline
ONT
1:16a
LIS
7:10p
17h 54m
2 stops
LIS
4:50a
ONT
8:36a
27h 46m
2 stops
Depart: Sun Apr 23 2017 Return: Mon May 1 2017 Trip spans 9 days
$1075
Select
KLM
KLM
ONT
12:47p
LIS
10:50a
22h 03m
2 stops
LIS
1:00a
ONT
2:58a
25h 58m
2 stops
Depart: Sun Aug 20 2017 Return: Mon Aug 28 2017 Trip spans 9 days
$1257
Select
Air France
Air France
ONT
6:20a
LIS
2:55a
20h 35m
2 stops
LIS
1:40a
ONT
8:28p
18h 48m
2 stops
Depart: Tue Apr 11 2017 Return: Wed Apr 19 2017 Trip spans 9 days
$1567
Select
United
United
ONT
5:05p
LIS
8:20p
27h 15m
2 stops
LIS
6:25a
ONT
4:06a
21h 41m
2 stops
Depart: Sun Sep 24 2017 Return: Wed Oct 4 2017 Trip spans 11 days
$1030
Select
American Airlines
American Airlines
ONT
5:55a
LIS
9:15p
15h 20m
2 stops
LIS
8:15a
ONT
1:39a
17h 24m
2 stops
Depart: Tue Apr 25 2017 Return: Tue May 2 2017 Trip spans 8 days
$1075
Select
KLM
KLM
ONT
2:20a
LIS
2:35a
24h 15m
2 stops
LIS
1:00a
ONT
8:27p
19h 27m
2 stops
Depart: Sat Sep 16 2017 Return: Sat Sep 23 2017 Trip spans 8 days
$1084
Select
British Airways
British Airways
ONT
10:15a
LIS
11:15a
25h 00m
2 stops
LIS
3:15a
ONT
3:08a
23h 53m
2 stops
Depart: Mon May 22 2017 Return: Wed May 31 2017 Trip spans 10 days
$1046
Select
American Airlines
American Airlines
ONT
3:35p
LIS
9:15p
29h 40m
2 stops
LIS
8:15a
ONT
1:01p
28h 46m
2 stops
Depart: Wed Apr 26 2017 Return: Wed May 3 2017 Trip spans 8 days
$1075
Select
KLM
KLM
ONT
7:45a
LIS
10:50a
27h 05m
2 stops
LIS
1:00a
ONT
8:27p
19h 27m
2 stops
Depart: Fri Sep 22 2017 Return: Wed Oct 4 2017 Trip spans 13 days
$1084
Select
British Airways
British Airways
ONT
10:15a
LIS
6:05a
19h 50m
2 stops
LIS
7:10a
ONT
3:08a
19h 58m
2 stops
Depart: Mon Aug 21 2017 Return: Mon Aug 28 2017 Trip spans 8 days
$1257
Select
Air France
Air France
ONT
6:20a
LIS
5:40a
23h 20m
2 stops
LIS
1:40a
ONT
8:28p
18h 48m
2 stops
Depart: Mon Sep 4 2017 Return: Tue Sep 12 2017 Trip spans 9 days
$1052
Select
American Airlines
American Airlines
ONT
12:30p
LIS
6:05a
17h 35m
2 stops
LIS
2:55a
ONT
9:40p
18h 45m
2 stops
Depart: Sun Apr 30 2017 Return: Mon May 8 2017 Trip spans 9 days
$1075
Select
KLM
KLM
ONT
6:23a
LIS
10:50a
28h 27m
2 stops
LIS
1:00a
ONT
2:58a
25h 58m
2 stops
Depart: Sat Sep 30 2017 Return: Sat Oct 7 2017 Trip spans 8 days
$1084
Select
British Airways
British Airways
ONT
6:42a
LIS
6:05a
23h 23m
2 stops
LIS
7:10a
ONT
3:08a
19h 58m
2 stops
Depart: Fri Sep 1 2017 Return: Mon Sep 11 2017 Trip spans 11 days
$1053
Select
American Airlines
American Airlines
ONT
3:30p
LIS
9:15p
29h 45m
2 stops
LIS
2:55a
ONT
3:08a
24h 13m
2 stops
Depart: Thu Aug 31 2017 Return: Tue Sep 5 2017 Trip spans 6 days
$1281
Select
Air France
Air France
ONT
6:20a
LIS
2:55a
20h 35m
2 stops
LIS
2:35p
ONT
8:28p
29h 53m
2 stops
Depart: Wed May 3 2017 Return: Wed May 10 2017 Trip spans 8 days
$1075
Select
KLM
KLM
ONT
2:20a
LIS
10:50a
32h 30m
2 stops
LIS
1:00a
ONT
2:15a
25h 15m
2 stops
Depart: Sat Apr 29 2017 Return: Mon May 8 2017 Trip spans 10 days
$1092
Select
British Airways
British Airways
ONT
10:30a
LIS
11:10a
48h 40m
2 stops
LIS
2:50p
ONT
2:05p
47h 15m
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
$1030
Destination

Lisbon
$1030