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Cheap flights from Ontario (ONT) to Lisbon (LIS)

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How to find the cheapest flight from Ontario (ONT) to Lisbon (LIS)

How to find the cheapest flight from Ontario (ONT) to Lisbon (LIS)
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How to find the cheapest flight from Ontario (ONT) to Lisbon (LIS)
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How to find the cheapest flight from Ontario (ONT) to Lisbon (LIS)
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Cheap flights from Ontario to Lisbon in May , June 2026

29 May - 05 Jun $ 1,395.00
ONT
Ontario
United Airlines
2 STOPS
LIS
Lisbon
LIS
Lisbon
United Airlines
2 STOPS
ONT
Ontario
Pick dates
21 May - 16 Jun $ 1,965.00
ONT
Ontario
United Airlines
2 STOPS
LIS
Lisbon
LIS
Lisbon
United Airlines
2 STOPS
ONT
Ontario
Pick dates
27 May - 10 Jun $ 2,538.00
ONT
Ontario
Turkish Airlines
2 STOPS
LIS
Lisbon
LIS
Lisbon
Turkish Airlines
2 STOPS
ONT
Ontario
Pick dates

Last minute flights from Ontario to Lisbon

25 May - 01 Jun $ 1,378.00
ONT
Ontario
United Airlines
2 STOPS
LIS
Lisbon
LIS
Lisbon
United Airlines
2 STOPS
ONT
Ontario
Pick dates
25 May - 01 Jun $ 1,378.00
ONT
Ontario
United Airlines
2 STOPS
LIS
Lisbon
LIS
Lisbon
United Airlines
2 STOPS
ONT
Ontario
Pick dates
27 May - 01 Jun $ 3,449.00
ONT
Ontario
Turkish Airlines
2 STOPS
LIS
Lisbon
LIS
Lisbon
Turkish Airlines
2 STOPS
ONT
Ontario
Pick dates

One-way flights to Lisbon from Ontario

6:30 AM - 8:25 PM
United Airlines
2 Stops
17h 50m
ONT - LIS
$ 771
Kiwi
Pick dates
6:30 AM - 8:25 PM
United Airlines
2 Stops
17h 50m
ONT - LIS
$ 778
Kiwi
Pick dates
6:30 AM - 8:25 PM
United Airlines
2 Stops
17h 50m
ONT - LIS
$ 778
Kiwi
Pick dates

How to find the cheapest flight from Ontario (ONT) to Lisbon (LIS)

Related info for your journey
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How to find the cheapest flight from Ontario (ONT) to Lisbon (LIS)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Ontario (ONT) to Lisbon (LIS)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.