$159 Cheap United flights Phoenix (PHX) to Denver (DEN)

View $159 flight on Fri, May 8, 2026Opens in a new window

$159 Cheap United flights Phoenix (PHX) to Denver (DEN)

Prices were available within the past 7 days and start at $159 for one-way flights and $237 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Fri, May 8 - Sun, May 10
PHX
Phoenix
DEN
Denver
$237 Roundtrip, found 8 hours ago
$237
Roundtrip
found 8 hours ago
Select United flight, departing Fri, May 8 from Phoenix to Denver, returning Sun, May 10, priced at $237 found 8 hours ago

Alternative airports near Denver

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Denver Intl. DEN. Cheapest option available. Average driving time to city center is 32 minutes. Flights from $158
DEN
Denver Intl.
Cheapest
Average driving time to city center32 min
Flights from $158

Find the cheapest month to fly from Phoenix (PHX) to Denver (DEN)

February is typically the cheapest month to fly

From $48 - $102 per traveler.

Travel information

Origin airport
Sky Harbor Intl.
Destination airport
Denver Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Southwest Airlines, United
Popular airline
Alaska Airlines
Distance
961 km
Average flight time
2 hours 45 mins

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