$389 Cheap United flights Denver (DEN) to Lisbon (LIS)

View $389 flight on Sat, Nov 7, 2026Opens in a new window

$389 Cheap United flights Denver (DEN) to Lisbon (LIS)

Prices were available within the past 7 days and start at $389 for one-way flights and $1,054 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Tue, May 5 - Wed, May 27
DEN
Denver
LIS
Lisbon
$1,054 Roundtrip, found 7 hours ago
$1,054
Roundtrip
found 7 hours ago
Select United flight, departing Tue, May 5 from Denver to Lisbon, returning Wed, May 27, priced at $1,054 found 7 hours ago
United
Tue, May 5 - Wed, May 27
DEN
Denver
LIS
Lisbon
$1,055 Roundtrip, found 7 hours ago
$1,055
Roundtrip
found 7 hours ago
Select United flight, departing Tue, May 5 from Denver to Lisbon, returning Wed, May 27, priced at $1,055 found 7 hours ago
United
Tue, May 5 - Wed, May 27
DEN
Denver
LIS
Lisbon
$1,068 Roundtrip, found 7 hours ago
$1,068
Roundtrip
found 7 hours ago
Select United flight, departing Tue, May 5 from Denver to Lisbon, returning Wed, May 27, priced at $1,068 found 7 hours ago
United
Tue, May 5 - Wed, May 27
DEN
Denver
LIS
Lisbon
$1,073 Roundtrip, found 7 hours ago
$1,073
Roundtrip
found 7 hours ago
Select United flight, departing Tue, May 5 from Denver to Lisbon, returning Wed, May 27, priced at $1,073 found 7 hours ago
United
Tue, May 5 - Wed, May 27
DEN
Denver
LIS
Lisbon
$1,075 Roundtrip, found 7 hours ago
$1,075
Roundtrip
found 7 hours ago
Select United flight, departing Tue, May 5 from Denver to Lisbon, returning Wed, May 27, priced at $1,075 found 7 hours ago
United
Tue, May 5 - Wed, May 27
DEN
Denver
LIS
Lisbon
$1,079 Roundtrip, found 7 hours ago
$1,079
Roundtrip
found 7 hours ago
Select United flight, departing Tue, May 5 from Denver to Lisbon, returning Wed, May 27, priced at $1,079 found 7 hours ago
United
Tue, May 5 - Wed, May 27
DEN
Denver
LIS
Lisbon
$1,088 Roundtrip, found 7 hours ago
$1,088
Roundtrip
found 7 hours ago
Select United flight, departing Tue, May 5 from Denver to Lisbon, returning Wed, May 27, priced at $1,088 found 7 hours ago

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

April is typically the cheapest month to fly

From $597 - $1,303 per traveler.

Travel information

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, TAP Portugal, Turkish Airlines, United
Popular airline
United
Distance
7728 km

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