Cheap Denver (DEN) to Lisbon (LIS) Flights | Aer Lingus

1 Passenger(s)

Promo Code

From:

To:

Depart Date

Return Date

A panoramic view of Lisbon, Portugal taken from a viewpoint in the historic Alfama district.

Other useful links

Search for more great value flights.

Book flights now

Check the status of a particular flight operating within two days.

Check flight status

We know how important flexibility is for you.

Flexible flight options

Aer Lingus Newsletter

Sign Up and Save

✔ Be first to receive current offers

✔ Learn about new and exciting destinations

✔ Get the latest travel news and more