$398 Cheap Delta flights Denver (DEN) to Lisbon (LIS)

View $398 flight on Mon, Sep 21, 2026Opens in a new window

$398 Cheap Delta flights Denver (DEN) to Lisbon (LIS)

Prices were available within the past 7 days and start at $398 for one-way flights and $1,046 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Mon, Sep 21 - Mon, Oct 5
DEN
Denver
LIS
Lisbon
$1,046 Roundtrip, found 23 hours ago
$1,046
Roundtrip
found 23 hours ago
Select Delta flight, departing Mon, Sep 21 from Denver to Lisbon, returning Mon, Oct 5, priced at $1,046 found 23 hours ago

Find the cheapest month to fly from Denver (DEN) to Lisbon (LIS)

November is typically the cheapest month to fly

From $502 - $1,270 per traveler.
Flights from Denver (DEN) to Lisbon (LIS)
Origin airport
Denver Intl.
Destination airport
Humberto Delgado
Airlines serving
Air Canada, Air France, American Airlines, British Airways, Brussels Airlines, Delta, Finnair, Iberia, JetBlue Airways, KLM, Lufthansa, Swiss International Air Lines, United
Popular airline
Air Canada
Distance
7728 km