Cheap Flights from San Francisco to Denver (SFO to DEN)

Discover more affordable routes and cheaper dates from San Francisco to Denver (SFO to DEN) within a date range.

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US$364

10:11pm - 4:18am
Fri Jun 27th 2025

5h 7m
San Francisco (SFO) → Denver (DEN)

1 Stop

Fri Jun 27th 2025 Frontier Airlines · F9 2678 Depart at 10:11pm from San Francisco (SFO) Fly for 1h 28m Arrive at 11:39pm in Ontario (ONT)

Layover in Ontario for 1h 20m

Sat Jun 28th 2025 Frontier Airlines · F9 1500 Depart at 12:59am from Ontario (ONT) Fly for 2h 19m Arrive at 4:18am in Denver (DEN)
US$433

9:43pm - 4:01am
Fri Jun 27th 2025

5h 18m
San Francisco (SFO) → Denver (DEN)

1 Stop

Fri Jun 27th 2025 Frontier Airlines · F9 4156 Depart at 9:43pm from San Francisco (SFO) Fly for 1h 44m Arrive at 11:27pm in Las Vegas (LAS)

Layover in Las Vegas for 1h 32m

Sat Jun 28th 2025 Frontier Airlines · F9 1994 Depart at 12:59am from Las Vegas (LAS) Fly for 2h 2m Arrive at 4:01am in Denver (DEN)
US$457

2:45pm - 9:47pm
Fri Jun 27th 2025

6h 2m
San Francisco (SFO) → Denver (DEN)

1 Stop

Fri Jun 27th 2025 Hawaiian Airlines · HA 7030 Depart at 2:45pm from San Francisco (SFO) Fly for 2h 9m Arrive at 4:54pm in Seattle (SEA)

Layover in Seattle for 1h 5m

Fri Jun 27th 2025 Hawaiian Airlines · HA 6654 Depart at 5:59pm from Seattle (SEA) Fly for 2h 48m Arrive at 9:47pm in Denver (DEN)
US$465

2:45pm - 9:47pm
Fri Jun 27th 2025

6h 2m
San Francisco (SFO) → Denver (DEN)

1 Stop

Fri Jun 27th 2025 Alaska Airlines · AS 1225 Depart at 2:45pm from San Francisco (SFO) Fly for 2h 9m Arrive at 4:54pm in Seattle (SEA)

Layover in Seattle for 1h 5m

Fri Jun 27th 2025 Alaska Airlines · AS 1163 Depart at 5:59pm from Seattle (SEA) Fly for 2h 48m Arrive at 9:47pm in Denver (DEN)
US$507

2:45pm - 11:59pm
Fri Jun 27th 2025

8h 14m
San Francisco (SFO) → Denver (DEN)

1 Stop

Fri Jun 27th 2025 Hawaiian Airlines · HA 7030 Depart at 2:45pm from San Francisco (SFO) Fly for 2h 9m Arrive at 4:54pm in Seattle (SEA)

Layover in Seattle for 3h 23m

Fri Jun 27th 2025 Hawaiian Airlines · HA 6652 Depart at 8:17pm from Seattle (SEA) Fly for 2h 42m Arrive at 11:59pm in Denver (DEN)
US$510

4:44pm - 11:59pm
Fri Jun 27th 2025

6h 15m
San Francisco (SFO) → Denver (DEN)

1 Stop

Fri Jun 27th 2025 Hawaiian Airlines · HA 7021 Depart at 4:44pm from San Francisco (SFO) Fly for 2h 10m Arrive at 6:54pm in Seattle (SEA)

Layover in Seattle for 1h 23m

Fri Jun 27th 2025 Hawaiian Airlines · HA 6652 Depart at 8:17pm from Seattle (SEA) Fly for 2h 42m Arrive at 11:59pm in Denver (DEN)
US$518

4:44pm - 11:59pm
Fri Jun 27th 2025

6h 15m
San Francisco (SFO) → Denver (DEN)

1 Stop

Fri Jun 27th 2025 Alaska Airlines · AS 591 Depart at 4:44pm from San Francisco (SFO) Fly for 2h 10m Arrive at 6:54pm in Seattle (SEA)

Layover in Seattle for 1h 23m

Fri Jun 27th 2025 Alaska Airlines · AS 642 Depart at 8:17pm from Seattle (SEA) Fly for 2h 42m Arrive at 11:59pm in Denver (DEN)
US$518

2:45pm - 11:59pm
Fri Jun 27th 2025

8h 14m
San Francisco (SFO) → Denver (DEN)

1 Stop

Fri Jun 27th 2025 Alaska Airlines · AS 1225 Depart at 2:45pm from San Francisco (SFO) Fly for 2h 9m Arrive at 4:54pm in Seattle (SEA)

Layover in Seattle for 3h 23m

Fri Jun 27th 2025 Alaska Airlines · AS 642 Depart at 8:17pm from Seattle (SEA) Fly for 2h 42m Arrive at 11:59pm in Denver (DEN)
US$685

2:45pm - 9:47pm
Fri Jun 27th 2025

6h 2m
San Francisco (SFO) → Denver (DEN)

1 Stop

Fri Jun 27th 2025 Hawaiian Airlines · HA 7030 Depart at 2:45pm from San Francisco (SFO) Fly for 2h 9m Arrive at 4:54pm in Seattle (SEA)

Layover in Seattle for 1h 5m

Fri Jun 27th 2025 Alaska Airlines · AS 1163 Depart at 5:59pm from Seattle (SEA) Fly for 2h 48m Arrive at 9:47pm in Denver (DEN)

Sarah Belizaire

@sarahbb1

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John Ford

@eyupitsjohn

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Roaming Sonaa

@roamingsonaa

For people wanting to maximize their trips, Flightlist is my newest travel hack for uncovering the coolest routes at irresistible prices. No stress, no annoying ads — just seamless flight booking with amazing functionality. It's designed for remote workers, backpackers, and people living abroad.

Read Sonaa's 7 Amazing Skyscanner Alternatives for Booking Travel

ANDY TRAVELS

@andy_travels

@ismaelyws Just tried out Flightlist for the first time. Really nice idea, well made, and just what I need at the moment 👍

Travel With Bender

@travelwitbender

Did you spot my recent article about how to score cheap one way flights? ✈️ FlightList is my new secret tool for discovering cheap routes, within a departure date range. Plus you can also search by country/region for departures & destinations. Powerful! 💪

Read Josh's Ultimate Guide To Find Cheap One Way Flights

Wesley Mergard

@travel.with.wes

One useful tool I've found for evaluating different departure and return dates is called FlightList.io. You can quickly scan different travel date ranges, carriers and one way flight options to easily determine the cheapest flight combinations for your trip.

Read Wesley's My Best Cheap Flight Hacks (Why Pay More?)

Cheap Flights from San Francisco to Denver (SFO to DEN)

Sarah Belizaire

John Ford

Roaming Sonaa

ANDY TRAVELS

Travel With Bender

Wesley Mergard

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