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Cheap flights from Denver (DEN) to Lisbon (LIS)

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How to find the cheapest flight from Denver (DEN) to Lisbon (LIS)

How to find the cheapest flight from Denver (DEN) to Lisbon (LIS)
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How to find the cheapest flight from Denver (DEN) to Lisbon (LIS)
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How to find the cheapest flight from Denver (DEN) to Lisbon (LIS)
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Cheap flights from Denver to Lisbon in December 2025 , January 2026

28 Dec - 28 Jan $ 552.00
DEN
Denver
Brussels Airlines
1 STOPS
LIS
Lisbon
LIS
Lisbon
Brussels Airlines
1 STOPS
DEN
Denver
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24 Dec - 11 Jan $ 1,476.00
DEN
Denver
Icelandair
1 STOPS
LIS
Lisbon
LIS
Lisbon
Icelandair
2 STOPS
DEN
Denver
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26 Dec - 08 Jan $ 1,581.00
DEN
Denver
Air Europa
1 STOPS
LIS
Lisbon
LIS
Lisbon
Air Europa
2 STOPS
DEN
Denver
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Last minute flights from Denver to Lisbon

24 Dec - 31 Dec $ 1,056.00
DEN
Denver
Lufthansa
1 STOPS
LIS
Lisbon
LIS
Lisbon
Lufthansa
1 STOPS
DEN
Denver
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24 Dec - 31 Dec $ 1,060.00
DEN
Denver
Lufthansa
1 STOPS
LIS
Lisbon
LIS
Lisbon
Lufthansa
1 STOPS
DEN
Denver
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24 Dec - 31 Dec $ 1,086.00
DEN
Denver
United Airlines
1 STOPS
LIS
Lisbon
LIS
Lisbon
United Airlines
1 STOPS
DEN
Denver
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One-way flights to Lisbon from Denver

4:05 PM - 10:05 PM
United Airlines
1 Stops
11h 10m
DEN - LIS
$ 448
Kiwi
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4:05 PM - 10:05 PM
United Airlines
1 Stops
11h 10m
DEN - LIS
$ 500
Kiwi
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11:20 AM - 10:05 PM
United Airlines
1 Stops
15h 55m
DEN - LIS
$ 500
Kiwi
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How to find the cheapest flight from Denver (DEN) to Lisbon (LIS)

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