Earn point on your loyalty program!arrow arc left

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

Know your dates, get live prices in seconds
airplane logo

pin logo

calendar
Departure
calendar backward
Return
airplane logo
1 Adults (11+)
0 Children (2~11)
0 Infants (0~2)
Save up to 31%
Book Flight + Hotel at the same time

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

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.
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.
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.

Cheap flights from Denver to Lisbon in July , August 2026

27 Jul - 28 Aug $ 1,266.00
DEN
Denver
Air Canada
1 STOPS
LIS
Lisbon
LIS
Lisbon
Air Canada
2 STOPS
DEN
Denver
Pick dates
27 Jul - 06 Aug $ 1,757.00
DEN
Denver
Lufthansa
1 STOPS
LIS
Lisbon
LIS
Lisbon
Lufthansa
1 STOPS
DEN
Denver
Pick dates
28 Jul - 09 Aug $ 2,687.00
DEN
Denver
Aer Lingus
1 STOPS
LIS
Lisbon
LIS
Lisbon
Aer Lingus
1 STOPS
DEN
Denver
Pick dates

Last minute flights from Denver to Lisbon

29 Jul - 31 Jul $ 1,616.00
DEN
Denver
United Airlines
1 STOPS
LIS
Lisbon
LIS
Lisbon
United Airlines
1 STOPS
DEN
Denver
Pick dates
29 Jul - 31 Jul $ 1,620.00
DEN
Denver
United Airlines
1 STOPS
LIS
Lisbon
LIS
Lisbon
United Airlines
1 STOPS
DEN
Denver
Pick dates
28 Jul - 31 Jul $ 2,637.00
DEN
Denver
Air Canada
1 STOPS
LIS
Lisbon
LIS
Lisbon
Air Canada
1 STOPS
DEN
Denver
Pick dates

One-way flights to Lisbon from Denver

8:00 PM - 6:40 PM
Aer Lingus
1 Stops
18h 35m
DEN - LIS
$ 551
Kiwi
Pick dates
1:41 PM - 8:25 PM
United Airlines
1 Stops
11h 39m
DEN - LIS
$ 603
Kiwi
Pick dates
1:41 PM - 8:25 PM
United Airlines
1 Stops
11h 39m
DEN - LIS
$ 603
Kiwi
Pick dates

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

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