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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 June , July 2026

30 Jun - 25 Jul $ 1,721.00
ONT
Ontario
Frontier Airlines
2 STOPS
LIS
Lisbon
LIS
Lisbon
Frontier Airlines
2 STOPS
ONT
Ontario
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29 Jun - 14 Jul $ 1,774.00
ONT
Ontario
United Airlines
2 STOPS
LIS
Lisbon
LIS
Lisbon
United Airlines
2 STOPS
ONT
Ontario
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29 Jun - 13 Jul $ 1,824.00
ONT
Ontario
United Airlines
2 STOPS
LIS
Lisbon
LIS
Lisbon
United Airlines
2 STOPS
ONT
Ontario
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Last minute flights from Ontario to Lisbon

29 Jun - 01 Jul $ 2,237.00
ONT
Ontario
Volaris
2 STOPS
LIS
Lisbon
LIS
Lisbon
Volaris
3 STOPS
ONT
Ontario
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29 Jun - 01 Jul $ 2,265.00
ONT
Ontario
Alaska Airlines
2 STOPS
LIS
Lisbon
LIS
Lisbon
Alaska Airlines
3 STOPS
ONT
Ontario
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29 Jun - 01 Jul $ 2,293.00
ONT
Ontario
JetBlue Airways
2 STOPS
LIS
Lisbon
LIS
Lisbon
JetBlue Airways
2 STOPS
ONT
Ontario
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One-way flights to Lisbon from Ontario

5:26 PM - 7:50 PM
TAP Portugal
2 Stops
21h 14m
ONT - LIS
$ 995
Kiwi
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2:18 PM - 6:00 PM
Iberia Airlines
2 Stops
20h 7m
ONT - LIS
$ 1,078
Kiwi
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2:18 PM - 3:40 PM
Iberia Airlines
2 Stops
17h 47m
ONT - LIS
$ 1,088
Kiwi
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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)
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.