Cheap flights from San Francisco to Denver from £96
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 23/9. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — DEN
12 Jul — 19 Jul1
Return
1 adult
Economy
Return
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from San Francisco to Denver Intl are usually found in October or September, booked 71 days in advance, depart on a Tuesday or Saturday and return on a Monday
Cheap flight deals from San Francisco to Denver
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Cheapest flights from San Francisco to Denver
Explore the most affordable flight options available from San Francisco to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 June 2026.
Tue 25/817:12
SFO
-
DEN
1 stop4h 43m
Delta
Tue 1/912:54
DEN
-
SFO
1 stop4h 21m
Delta
Deal found 8/6£165
Tue 25/811:15
SFO
-
DEN
1 stop4h 50m
Southwest
Tue 1/909:05
DEN
-
SFO
2 stops6h 35m
Southwest
Deal found 11/6£167
Tue 7/706:00
SFO
-
DEN
Nonstop2h 46m
Frontier
Wed 15/722:29
DEN
-
SFO
Nonstop2h 54m
Frontier
Deal found 8/6£169
Tue 1/905:50
SFO
-
DEN
2 stops7h 10m
Southwest
Wed 2/915:10
DEN
-
SFO
1 stop7h 30m
Southwest
Deal found 11/6£170
Tue 6/1008:40
SFO
-
DEN
1 stop4h 35m
Southwest
Tue 6/1020:45
DEN
-
SFO
Nonstop2h 40m
Southwest
Deal found 9/6£174
Tue 11/817:30
SFO
-
DEN
Nonstop2h 30m
Southwest
Tue 18/817:00
DEN
-
SFO
1 stop5h 40m
Southwest
Deal found 8/6£178
Tue 4/806:00
SFO
-
DEN
1 stop6h 40m
Southwest
Tue 18/809:05
DEN
-
SFO
2 stops6h 35m
Southwest
Deal found 9/6£180
Tue 11/805:50
SFO
-
DEN
1 stop5h 14m
Delta
Sat 15/818:28
DEN
-
SFO
1 stop5h 39m
Delta
Deal found 12/6£182
Tue 28/712:38
SFO
-
DEN
Nonstop2h 48m
Frontier
Fri 31/722:29
DEN
-
SFO
Nonstop2h 54m
Frontier
Deal found 8/6£185
Tue 15/914:35
SFO
-
DEN
1 stop5h 45m
Southwest
Thu 17/917:45
DEN
-
SFO
Nonstop2h 45m
Southwest
Deal found 8/6£187
Best flights from San Francisco to Denver
Discover carefully curated flight deals from San Francisco to Denver that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 12 June 2026.
Thu 24/914:05
SFO
-
DEN
1 stop5h 00m
Southwest
Tue 29/912:35
DEN
-
SFO
2 stops7h 40m
Southwest
Deal found 9/6£208
Wed 2/907:08
SFO
-
DEN
1 stop13h 05m
Alaska Airlines
Sun 6/906:17
DEN
-
SFO
1 stop12h 05m
Alaska Airlines
Deal found 11/6£252
Wed 1/718:56
SFO
-
DEN
Nonstop2h 48m
United Airlines
Sun 5/706:00
DEN
-
SFO
Nonstop2h 38m
United Airlines
Deal found 9/6£291
Sat 11/715:15
SFO
-
DEN
2 stops7h 15m
Southwest
Mon 13/720:35
DEN
-
SFO
1 stop5h 00m
Southwest
Deal found 11/6£256
Tue 7/714:15
SFO
-
DEN
2 stops7h 55m
Southwest
Wed 15/714:50
DEN
-
SFO
1 stop4h 50m
Southwest
Deal found 8/6£256
Sat 1/805:00
SFO
-
DEN
2 stops7h 50m
Southwest
Mon 3/806:15
DEN
-
SFO
2 stops6h 05m
Southwest
Deal found 11/6£259
Wed 8/712:10
SFO
-
DEN
2 stops7h 50m
Southwest
Sat 11/718:05
DEN
-
SFO
1 stop4h 55m
Southwest
Deal found 11/6£264
Tue 28/705:00
SFO
-
DEN
1 stop7h 30m
Southwest
Fri 31/712:35
DEN
-
SFO
2 stops6h 20m
Southwest
Deal found 8/6£271
Thu 2/714:15
SFO
-
DEN
1 stop4h 25m
Southwest
Sat 4/711:50
DEN
-
SFO
2 stops6h 25m
Southwest
Deal found 10/6£275
Thu 9/712:30
SFO
-
DEN
2 stops6h 30m
Southwest
Thu 16/706:15
DEN
-
SFO
2 stops6h 05m
Southwest
Deal found 11/6£275
Thu 25/616:00
SFO
-
DEN
1 stop5h 55m
Southwest
Wed 1/708:15
DEN
-
SFO
2 stops7h 00m
Southwest
Deal found 11/6£300
Direct flights from San Francisco to Denver
Explore direct flight options from San Francisco to Denver based on user searches, and compare prices and availability for your desired travel dates. Data last updated 12 June 2026.
Tue 7/706:00
SFO
-
DEN
Nonstop2h 46m
Frontier
Wed 15/722:29
DEN
-
SFO
Nonstop2h 54m
Frontier
Deal found 8/6£169
Tue 28/712:38
SFO
-
DEN
Nonstop2h 48m
Frontier
Fri 31/722:29
DEN
-
SFO
Nonstop2h 54m
Frontier
Deal found 8/6£185
Tue 18/806:35
SFO
-
DEN
Nonstop2h 25m
Southwest
Thu 20/817:45
DEN
-
SFO
Nonstop2h 45m
Southwest
Deal found 10/6£189
Sun 26/721:39
SFO
-
DEN
Nonstop2h 50m
Frontier
Sun 2/815:00
DEN
-
SFO
Nonstop2h 52m
Frontier
Deal found 11/6£204
Sat 29/812:40
SFO
-
DEN
Nonstop2h 25m
Southwest
Sat 5/919:45
DEN
-
SFO
Nonstop2h 40m
Southwest
Deal found 10/6£207
Tue 25/805:00
SFO
-
DEN
Nonstop2h 40m
United Airlines
Tue 25/813:30
DEN
-
SFO
Nonstop2h 46m
United Airlines
Deal found 9/6£208
Sat 1/805:10
SFO
-
DEN
Nonstop2h 30m
Southwest
Wed 5/809:15
DEN
-
SFO
Nonstop2h 35m
Southwest
Deal found 12/6£229
Sat 11/721:00
SFO
-
DEN
Nonstop2h 47m
United Airlines
Tue 21/721:10
DEN
-
SFO
Nonstop2h 46m
United Airlines
Deal found 8/6£237
Wed 12/817:30
SFO
-
DEN
Nonstop2h 30m
Southwest
Sun 16/820:50
DEN
-
SFO
Nonstop2h 35m
Southwest
Deal found 12/6£239
Thu 13/813:30
SFO
-
DEN
Nonstop2h 30m
Southwest
Mon 17/821:10
DEN
-
SFO
Nonstop2h 40m
Southwest
Deal found 9/6£244
Fri 31/719:20
SFO
-
DEN
Nonstop2h 40m
Southwest
Wed 5/809:15
DEN
-
SFO
Nonstop2h 35m
Southwest
Deal found 12/6£245
Thu 3/905:00
SFO
-
DEN
Nonstop2h 40m
United Airlines
Mon 7/905:00
DEN
-
SFO
Nonstop2h 41m
United Airlines
Deal found 7/6£247
Last-minute flights from San Francisco to Denver
Discover last-minute flight deals from San Francisco to Denver. Data last updated 12 June 2026 and is based on user searches.
Tue 23/617:16
SFO
-
DEN
1 stop6h 22m
Frontier
Fri 26/613:18
DEN
-
SFO
1 stop6h 04m
Frontier
Deal found 9/6£214
Tue 7/706:00
SFO
-
DEN
Nonstop2h 46m
Frontier
Wed 15/722:29
DEN
-
SFO
Nonstop2h 54m
Frontier
Deal found 8/6£169
Tue 7/709:20
SFO
-
DEN
1 stop13h 32m
Delta
Wed 15/712:30
DEN
-
SFO
1 stop10h 19m
Delta
Deal found 9/6£210
Sun 26/722:23
SFO
-
DEN
1 stop10h 40m
Frontier
Sun 2/815:00
DEN
-
SFO
Nonstop2h 52m
Frontier
Deal found 11/6£200
Tue 28/712:38
SFO
-
DEN
Nonstop2h 48m
Frontier
Fri 31/722:29
DEN
-
SFO
Nonstop2h 54m
Frontier
Deal found 8/6£185
Wed 29/709:20
SFO
-
DEN
1 stop7h 58m
Delta
Tue 4/805:35
DEN
-
SFO
1 stop4h 15m
Delta
Deal found 9/6£209
One-way flights from San Francisco to Denver
Search for one-way flight options from San Francisco to Denver. Find affordable one-way fares based on user searches. Data last updated 12 June 2026.
Wed 2/913:35
SFO
-
DEN
2 stops6h 45m
Southwest
Deal found 9/6£96
Sat 8/809:30
SFO
-
DEN
1 stop7h 52m
Delta
Deal found 12/6£99
Mon 17/813:30
SFO
-
DEN
Nonstop2h 30m
Southwest
Deal found 9/6£104
Wed 1/717:16
SFO
-
DEN
1 stop6h 22m
Frontier
Deal found 10/6£107
Wed 29/714:20
SFO
-
DEN
Nonstop2h 35m
Southwest
Deal found 12/6£111
Wed 22/707:55
SFO
-
DEN
1 stop10h 23m
Alaska Airlines
Deal found 8/6£115
Mon 6/718:56
SFO
-
DEN
Nonstop2h 48m
United Airlines
Deal found 8/6£119
Fri 7/813:30
SFO
-
DEN
Nonstop2h 30m
Southwest
Deal found 9/6£122
Thu 2/714:15
SFO
-
DEN
1 stop4h 25m
Southwest
Deal found 10/6£123
Thu 2/716:29
SFO
-
DEN
1 stop6h 30m
Delta
Deal found 11/6£126
Wed 5/810:15
SFO
-
DEN
2 stops10h 25m
Alaska Airlines
Deal found 11/6£127
Sat 15/811:15
SFO
-
DEN
2 stops6h 20m
Southwest
Deal found 12/6£129
Find flight deals from San Francisco to Denver
Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) to Denver (DEN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 12 June 2026.
Customise your flight search to find flights from San Francisco to Denver that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 12 June 2026.
Use the filters below to find and compare flights from San Francisco to Denver that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
Cheapest return flight
San FranciscoDenver
SFO - DEN
SFODEN
San Francisco
Thu 24/9
14:05-20:05
1 stop5h 00m
Denver Intl
Tue 29/9
12:35-19:15
2 stops7h 40m
£208
San FranciscoDenver
SFO - DEN
SFODEN
San Francisco
Wed 2/9
07:08-21:13
1 stop13h 05m
Denver Intl
Sun 6/9
06:17-17:22
1 stop12h 05m
£252
San FranciscoDenver
SFO - DEN
SFODEN
San Francisco
Sat 11/7
15:15-23:30
2 stops7h 15m
Denver Intl
Mon 13/7
20:35-00:35
1 stop5h 00m
£256
San FranciscoDenver
SFO - DEN
SFODEN
San Francisco
Tue 7/7
14:15-23:10
2 stops7h 55m
Denver Intl
Wed 15/7
14:50-18:40
1 stop4h 50m
£256
San FranciscoDenver
SFO - DEN
SFODEN
San Francisco
Sat 1/8
05:00-13:50
2 stops7h 50m
Denver Intl
Mon 3/8
06:15-11:20
2 stops6h 05m
£259
San FranciscoDenver
SFO - DEN
SFODEN
San Francisco
Wed 8/7
12:10-21:00
2 stops7h 50m
Denver Intl
Sat 11/7
18:05-22:00
1 stop4h 55m
£264
San FranciscoDenver
SFO - DEN
SFODEN
San Francisco
Tue 28/7
05:00-13:30
1 stop7h 30m
Denver Intl
Fri 31/7
12:35-17:55
2 stops6h 20m
£271
San FranciscoDenver
SFO - DEN
SFODEN
San Francisco
Thu 2/7
14:15-19:40
1 stop4h 25m
Denver Intl
Sat 4/7
11:50-17:15
2 stops6h 25m
£275
San FranciscoDenver
SFO - DEN
SFODEN
San Francisco
Thu 9/7
12:30-20:00
2 stops6h 30m
Denver Intl
Thu 16/7
06:15-11:20
2 stops6h 05m
£275
Fastest return journey
San FranciscoDenver
SFO - DEN
SFODEN
San Francisco
Wed 1/7
18:56-22:44
Nonstop2h 48m
Denver Intl
Sun 5/7
06:00-07:38
Nonstop2h 38m
£291
Flights are sorted by cheapest return flights first.
Deals found on 9/6
Showing 1-10 of 22 resultsSorted by cheapest first
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2
3
Best time to book a flight from San Francisco to Denver
Have a flexible travel schedule? Discover the best time to fly to Denver from San Francisco with our price prediction graph.
SFO-DEN
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from San Francisco to Denver
Prices
Airlines
Delays
How far ahead should I book a flight from San Francisco to Denver?
The price you pay for your flight from San Francisco to Denver may vary depending on when you book. For the best chance of a lower fare, look to book 70 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from San Francisco to Denver?
Currently, October is the cheapest month in which you can book a flight from San Francisco to Denver (average of £168). Flying from San Francisco to Denver in June is currently the most expensive (average of £259). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from SFO to DEN?
Find hourly flight availability from San Francisco to Denver. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 12 June 2026.
When flying from San Francisco to Denver, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 74% versus a flight at midday.
How much does it cost for a return flight from San Francisco to Denver?
Weekly flight availability from San Francisco to Denver
Explore weekly flight availability from San Francisco to Denver. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 12 June 2026.
The most flights from SFO to DEN are scheduled on a Friday (61 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (37 on average).
How often are flights from San Francisco to Denver delayed?
About 18% of weekly flights between San Francisco and Denver have experienced delays in the past year, with the average delay time being 144 minutes.
What is the most punctual flight time for San Francisco to Denver flights?
Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Saturday tends to have the lowest number of delays on this route, whereas Monday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on San Francisco to Denver flights?
Over the past year, United Airlines have had the lowest number of delays on this route, with just 13% of flights being delayed.
Reviews of airlines servicing Denver
Get insights into the airlines that provide service to Denver. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Denver. Reviews last updated 12 June 2026.
See what other customers who have flown with Frontier from San Francisco to Denver have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Plane was dirty, food strewn all over the floor. The flight attendant was dozing in her chair for most of the flight. Even the announcements sounded so unenthusiastic. The seats are old and dirty, the seat belts look worn out.
Plane was dirty, food strewn all over the floor. The flight attendant was dozing in her chair for most of the flight. Even the announcements sounded so unenthusiastic. The seats are old and dirty, the seat belts look worn out.
Related info for your journey
Find useful and relevant information for your journey from San Francisco to Denver. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
What airports do I use to fly from San Francisco to Denver?
If you book a flight from San Francisco to Denver, you will be flying from San Francisco to Denver Intl. Flights to Denver Intl (DEN) from San Francisco (SFO) take 2h 47m for a nonstop flight. There are 50 flights from San Francisco to Denver per day from 1 airline.
How popular is this San Francisco to Denver flight route?
This flight path from San Francisco to Denver Intl was viewed by 10 users in the past month. Keep an eye out for changes in search interest prior to high and low season.
How long is the flight from San Francisco to Denver?
There are many flights that can get you from San Francisco to Denver in 4h 35m. Fly via Delta or Southwest to get the fastest option. Airlines will cover a distance of 964 mi. Both multi-stop and direct flights can be found to your destination and back.
What is the cheapest airline to fly from San Francisco to Denver round-trip?
Flying on Frontier is currently your cheapest option to Denver, with prices starting at £114. You may be able to fly from San Francisco to Denver for 44% less than the average price by searching for this airline.
What are the most reliable airlines from San Francisco to Denver?
Before booking your flight to Denver from San Francisco, check out the most reliable airlines to get you to your destination on time: SWISS (100%), Asiana Airlines (93%), United Airlines( 87%).
What are the cheapest flights from San Francisco to Denver?
Looking at all options, your cheapest flight can be booked for £94. While the most popular route (San Francisco - Denver Intl) can be booked for £204 on average, our data indicates £201 when flying from San Francisco to Denver.
Can I find deals for business class flights from San Francisco to Denver?
Yes. Cheapflights offers flight deals from San Francisco to Denver by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from San Francisco to Denver?
Currently, October is the cheapest month in which you can book a flight from San Francisco to Denver (average of £168). Flying from San Francisco to Denver in June is currently the most expensive (average of £259). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
Browse through other flights departing from San Francisco. Flights are based on user searches made on Cheapflights and were last updated on 12 June 2026.
Discover the top airline that operate flights from San Francisco to Denver. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 12 June 2026.
Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from San Francisco to Denver?
Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from San Francisco to Denver. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.
Why should you use Cheapflights to find cheap flight tickets from San Francisco to Denver?
By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Denver from San Francisco.
Can Cheapflights find flights from San Francisco to Denver with no change fees?
Yes! Cheapflights helps users easily find flights from San Francisco to Denver with no change fees.
Can Cheapflights notify me if prices for flights from San Francisco to Denver become cheaper?
Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Denver from San Francisco today and book when prices fit your budget.
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