Domestic route
Cheap flights from Denver to San Francisco
Denver International Airport (DEN) to San Francisco International Airport (SFO). 965 miles, 2h 30m nonstop.
DEN to SFO at a glance
Computed from airline schedules and the fares we track for this route. Refreshed several times a day.
- Distance
- 965 milesgreat-circle
- Typical flight time
- 2h 30mnonstop, gate to gate
- Nonstop airlines
- DLUAWNAS6 airlinesDelta, United, Southwest
- Nonstop flights per day
- 28all airlines combined
- Cheapest month
- January 2027over the next six months
- Best day to fly
- Tuesday20% less than Sunday
- Time difference
- 1h behindSan Francisco vs Denver
Denver to San Francisco
Round trips from $85
Per traveler, taxes and fees included. Lowest fare we found departs Wed, Jan 6.
Cheapest month: January 2027
See fares on these datesLock any fare free — pay only when you accept your last-minute deal
Or ask an agent on WhatsAppDenver to San Francisco fares by month
Lowest round-trip economy fare per traveler in each of the next six months, taxes and fees included. Select a month to search that date.
Airlines flying Denver to San Francisco
6 airlines fly nonstop with 28 departures a day combined, plus 3 more with one stop.
- UAUnited AirlinesStar AllianceNonstop · 11 flights a day · first checked bag from $40
- ASAlaska AirlinesoneworldNonstop · 5 flights a day · first checked bag from $35
- F9Frontier AirlinesLow-costNonstop · 4 flights a day · first checked bag from $55
- WNSouthwest AirlinesLow-costNonstop · 4 flights a day · first checked bag from $35
- DLDelta Air LinesSkyTeamNonstop · 2 flights a day · first checked bag from $35
- SYSun Country AirlinesLow-costNonstop · 2 flights a day · first checked bag from $45
- AAAmerican AirlinesoneworldConnecting via PHX, LAX · first checked bag from $40
- B6JetBlueConnecting via LAX · first checked bag from $40
- NKSpirit AirlinesLow-costConnecting via LAS · first checked bag from $55
Connecting options
Hubs where one airline can carry you on both legs, most choices first.
- Los Angeles (LAX)AAB62 airlines
- Phoenix (PHX)AA1 airline
- Las Vegas (LAS)NK1 airline
Which airport should I use?
DenverSan Francisco has 3 airports. Fares can differ by $50 to $150 round trip between them, so check the alternatives before you book.
Tips for this route
- Delta, United, Southwest and Alaska all fly DEN to SFO nonstop, so compare the total with bags before picking the lowest base fare: the difference between a basic and a standard economy ticket is often less than one checked bag each way.
- January 2027 is the cheapest month to fly over the next six months, with round trips from $85; September 2026 is the most expensive at $114 and up, a difference of $29 per traveler.
- Departing on a Tuesday averages 20% less than a Sunday on this route. If your dates are flexible, shift the outbound by a day or two and check the calendar view before you book.
- Fares on this route are usually lowest 4 to 8 weeks before departure and rise sharply inside two weeks.
Destination guide
San Francisco: Fog, hills and the Golden Gate
San Francisco packs cable cars, the Golden Gate Bridge, Alcatraz and world-class food into 49 square miles. SFO is the main gateway; Oakland and San Jose are handy alternatives with lower fares on many routes.
Best time to visit: September and October are the warmest, clearest months. Spring (April–May) is green and mild. Summer fog ('Karl') keeps the coast cool; winter is rainy but inexpensive.
Flying the other way? San Francisco to DenverFares, airlines and tips for SFO to DEN.Ready to compare live fares?
See every airline on DEN–SFO side by side with bags and seat rules spelled out.
Search Denver to San FranciscoDenver to San Francisco: common questions
How long is the flight from Denver to San Francisco?
A nonstop flight from Denver (DEN) to San Francisco (SFO) takes about 2h 30m gate to gate, covering 965 miles. Connecting itineraries add the layover, typically 1 to 3 hours more in total.
Which airlines fly nonstop from DEN to SFO?
Delta Air Lines, United Airlines, Southwest Airlines, Alaska Airlines, Frontier Airlines and Sun Country Airlines operate nonstop flights from Denver (DEN) to San Francisco (SFO), with 28 nonstop departures a day between them. One-stop options connect through LAX, PHX and LAS.
What is the cheapest month to fly from Denver to San Francisco?
Over the next six months, January 2027 has the lowest round-trip fares from Denver (DEN) to San Francisco (SFO), starting at $85 per traveler including taxes and fees. Within any month, Tuesday departures average the lowest prices.
How far in advance should I book Denver to San Francisco flights?
Fares on this route are usually lowest 4 to 8 weeks before departure and rise sharply inside two weeks. Air1 Tickets includes free cancellation within 24 hours of booking on every fare, so you can lock in a good price and keep looking.
What is the time difference between Denver and San Francisco?
San Francisco is 1 hour behind Denver. DEN is on America/Denver time and SFO on America/Los Angeles time. Departure and arrival times in search results are always shown in local time at each airport.
Related routes
Other popular city pairs from the same departure city and to the same destination, with the lowest round-trip fares we found.
More flights from Denver
All routesMore flights to San Francisco
All routes- New York to San FranciscoJFK → SFOfrom $239
- Chicago to San FranciscoORD → SFOfrom $159
- Los Angeles to San FranciscoLAX → SFOfrom $63
- Seattle to San FranciscoSEA → SFOfrom $80
- Honolulu to San FranciscoHNL → SFOfrom $243
- Vancouver to San FranciscoYVR → SFOfrom $107
- London to San FranciscoLHR → SFOfrom $513
- Paris to San FranciscoCDG → SFOfrom $508