$68 Cheap Alaska Airlines flights San Francisco (SFO) to Denver (DEN)

View $68 flight on Wed, Feb 11, 2026Opens in a new window

$68 Cheap Alaska Airlines flights San Francisco (SFO) to Denver (DEN)

Prices were available within the past 7 days and start at $68 for one-way flights and $94 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Mon, Dec 8 - Wed, Dec 17
SFO
San Francisco
DEN
Denver
$94 Roundtrip, found 15 hours ago
$94
Roundtrip
found 15 hours ago
Select Alaska Airlines flight, departing Mon, Dec 8 from San Francisco to Denver, returning Wed, Dec 17, priced at $94 found 15 hours ago
Alaska Airlines
Fri, Jan 9 - Wed, Jan 14
SFO
San Francisco
DEN
Denver
$103 Roundtrip, found 1 hour ago
$103
Roundtrip
found 1 hour ago
Select Alaska Airlines flight, departing Fri, Jan 9 from San Francisco to Denver, returning Wed, Jan 14, priced at $103 found 1 hour ago
Alaska Airlines
Sat, Dec 13 - Tue, Dec 23
SFO
San Francisco
DEN
Denver
$106 Roundtrip, found 13 hours ago
$106
Roundtrip
found 13 hours ago
Select Alaska Airlines flight, departing Sat, Dec 13 from San Francisco to Denver, returning Tue, Dec 23, priced at $106 found 13 hours ago
Alaska Airlines
Sun, Jan 18 - Sun, Feb 8
SFO
San Francisco
DEN
Denver
$108 Roundtrip, just found
$108
Roundtrip
just found
Select Alaska Airlines flight, departing Sun, Jan 18 from San Francisco to Denver, returning Sun, Feb 8, priced at $108 just found
Alaska Airlines
Sun, Jan 18 - Sun, Feb 8
SFO
San Francisco
DEN
Denver
$136 Roundtrip, just found
$136
Roundtrip
just found
Select Alaska Airlines flight, departing Sun, Jan 18 from San Francisco to Denver, returning Sun, Feb 8, priced at $136 just found
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
Alaska Airlines
Distance
965 mi
Average flight time
3 hours 29 mins

Frequently asked questions

How much is an Alaska Airlines flight from San Francisco Intl. Airport (SFO) to Denver Intl. Airport (DEN)?
You'll discover cheap round-trip Alaska Airlines flights from $94 from SFO to DEN by organizing your results from "Price (lowest to highest)" on Expedia. Or search for options from $68 for a one-way trip.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from SFO to DEN with Alaska Airlines?
Alaska Airlines flights to Denver are usually more affordable in the low-season months of January and November. Whether you're after a one-way or round-trip ticket, you could land a better deal then.
What is the cheapest time to book flights from San Francisco Intl. Airport (SFO) to Denver Intl. Airport (DEN) with Alaska Airlines?
Look for affordable Alaska Airlines flights from San Francisco Intl. Airport (SFO) to Denver Intl. Airport (DEN) one to three months before your day of departure. Travelers who book domestic flights 34 to 86 days in advance can save 25% compared to those who book just 6 to 12 days ahead. No matter the fare class and itinerary, the ideal day to book a domestic flight is generally Sunday and the most expensive day is typically Monday. Passengers who book on a Sunday can save 6% on average compared to those who book on a Monday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does Alaska Airlines fly nonstop from San Francisco Intl. Airport (SFO) to Denver Intl. Airport (DEN)?
Use our "Nonstop" filter when browsing for direct Alaska Airlines flights from SFO to DEN. It's also a good way to compare other airlines offering the same nonstop journey.
What is the earliest Alaska Airlines flight from SFO to DEN?
Sort your results by "Morning" and "Early Morning" to see the earliest departures from SFO to DEN. Jetting off early means you're 20% less likely to experience cancellations.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does Alaska Airlines fly into in Denver?
Get on an Alaska Airlines flight from San Francisco Intl. Airport (SFO) to Denver, and you'll most likely touch down at Denver Intl. Airport (DEN). This is the airline's primary hub in this city.
Why fly with Alaska Airlines from SFO to DEN?
Taking off from SFO to DEN with Alaska Airlines means enjoying a host of perks, including top-tier customer service and a rewarding loyalty program. Plus, when you book through Expedia, One Key™ members can collect OneKeyCash™* to redeem on select future travel purchases. That's in addition to the Mileage Plan points you can earn with Alaska Airlines.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
Can I change or cancel my Alaska Airlines flight from San Francisco Intl. Airport (SFO) to Denver Intl. Airport (DEN)?
Depending on your fare type, a fee will generally apply if you change or cancel your flight more than 24 hours after it has been confirmed. To secure flexible plane tickets, select our "Changes included" or "No cancel fee" filter while searching for flights. For more information on changing or canceling your reservation, go to "Trips," select your flight and click on "Manage Booking."

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*Available to One Key members.