$114 Cheap United flights San Francisco (SFO) to Denver (DEN)

View $114 flight on Sat, Mar 7, 2026Opens in a new window

$114 Cheap United flights San Francisco (SFO) to Denver (DEN)

Prices were available within the past 7 days and start at $114 for one-way flights and $203 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Wed, Mar 18 - Mon, Mar 23
SFO
San Francisco
DEN
Denver
$203 Roundtrip, found 21 hours ago
$203
Roundtrip
found 21 hours ago
Select United flight, departing Wed, Mar 18 from San Francisco to Denver, returning Mon, Mar 23, priced at $203 found 21 hours ago
United
Wed, Mar 18 - Mon, Mar 23
SFO
San Francisco
DEN
Denver
$217 Roundtrip, found 21 hours ago
$217
Roundtrip
found 21 hours ago
Select United flight, departing Wed, Mar 18 from San Francisco to Denver, returning Mon, Mar 23, priced at $217 found 21 hours ago
United
Wed, Mar 18 - Mon, Mar 23
SFO
San Francisco
DEN
Denver
$230 Roundtrip, found 21 hours ago
$230
Roundtrip
found 21 hours ago
Select United flight, departing Wed, Mar 18 from San Francisco to Denver, returning Mon, Mar 23, priced at $230 found 21 hours ago

Find the cheapest month to fly from San Francisco (SFO) to Denver (DEN)

February is typically the cheapest month to fly

From $48 - $115 per traveler.
Flights from San Francisco (SFO) to Denver (DEN)
Origin airport
San Francisco Intl.
Destination airport
Denver Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Southwest Airlines, United
Popular airline
Frontier Airlines
Distance
1544 km
Average flight time
3 hours 33 mins