$88 Cheap Alaska Airlines flights Denver (DEN) to San Francisco (SFO)

View $88 flight on Sat, Oct 4, 2025Opens in a new window

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$88 Cheap Alaska Airlines flights Denver (DEN) to San Francisco (SFO)

Prices were available within the past 7 days and start at $88 for one-way flights and $142 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Sat, Oct 4 - Wed, Oct 8
DEN
Denver
SFO
San Francisco
$142 Roundtrip, just found
$142
Roundtrip
just found
Select Alaska Airlines flight, departing Sat, Oct 4 from Denver to San Francisco, returning Wed, Oct 8, priced at $142 just found
Alaska Airlines
Tue, Sep 23 - Thu, Oct 2
DEN
Denver
SFO
San Francisco
$147 Roundtrip, just found
$147
Roundtrip
just found
Select Alaska Airlines flight, departing Tue, Sep 23 from Denver to San Francisco, returning Thu, Oct 2, priced at $147 just found
Alaska Airlines
Sat, Aug 30 - Mon, Sep 8
DEN
Denver
SFO
San Francisco
$176 Roundtrip, just found
$176
Roundtrip
just found
Select Alaska Airlines flight, departing Sat, Aug 30 from Denver to San Francisco, returning Mon, Sep 8, priced at $176 just found
Flights from Denver (DEN) to San Francisco (SFO)
Origin airport
Denver Intl.
Destination airport
San Francisco Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Hawaiian Airlines, JetBlue Airways, Southwest Airlines, United
Popular airline
Alaska Airlines
Distance
965 mi
Average flight time
1 hour 39 mins

Frequently asked questions

How much is an Alaska Airlines flight from Denver Intl. Airport (DEN) to San Francisco Intl. Airport (SFO)?
Scoring cheap one-way Alaska Airlines flights from DEN to SFO from $88 on Expedia is a breeze --- just filter by "Price (lowest to highest)." Alternatively, check out our budget-friendly round-trip fares from $142 for your next exciting vacation.**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 DEN to SFO with Alaska Airlines?
February is one of the most affordable months to jet off to San Francisco with Alaska Airlines. You could also find excellent prices on one-way and return fares in April.
What is the cheapest time to book flights from Denver Intl. Airport (DEN) to San Francisco Intl. Airport (SFO) with Alaska Airlines?
To find cheap Alaska Airlines fares from Denver Intl. Airport (DEN) to San Francisco Intl. Airport (SFO), start searching one to three months before your intended departure. Securing domestic flights 34 to 86 days in advance could save you 25% compared to booking just 6 to 12 days ahead. The day you book can also impact the price you pay. Sunday tends to be the cheapest, while Monday is often the most expensive for domestic flights. You can save 6% on average by booking on a Sunday.**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 Denver Intl. Airport (DEN) to San Francisco Intl. Airport (SFO)?
Enter your dates, press search and tick the "Nonstop" filter on Expedia to find any direct flights from DEN to SFO with Alaska Airlines or another airline.
What is the earliest Alaska Airlines flight from DEN to SFO?
Find Alaska Airlines's earliest flights from DEN to SFO by selecting the "Early Morning" and "Morning" filters. Not only will you arrive at your destination sooner, early departures also experience 20% fewer 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 San Francisco?
Get on an Alaska Airlines flight from Denver Intl. Airport (DEN) to San Francisco, and you'll most likely come in to San Francisco Intl. Airport (SFO). This is the airline's main hub here.
Why fly with Alaska Airlines from DEN to SFO?
With a rewarding loyalty program and top-tier customer service, Alaska Airlines is a top choice for many passengers flying from DEN to SFO. Also, if you're a Mileage Plan and One Key™ member booking through Expedia, you could earn OneKeyCash™* on eligible flights on top of your airline miles, which can go toward future travel.*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 Denver Intl. Airport (DEN) to San Francisco Intl. Airport (SFO)?
It's generally possible to cancel or modify your flight, although additional charges may apply if you made your booking more than 24 hours ago. Need to keep your options open? Make use of our "No cancel fee" or "Changes included" filter to find flights that won't charge you extra if you have to alter your plans. To update your booking, go to "Trips," select your flight and click on "Manage Booking" for further information.

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*Available to One Key members.