Cheap flights from San Francisco to Denver from £72
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 24/2. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — DEN
26 Feb — 5 Mar1
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 February or March, booked 61 days in advance, depart on a Tuesday or Wednesday and return on a Monday
Cheap flight deals from San Francisco to Denver
Enter your travel dates to find the best prices.
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 27 January 2026.
Tue 24/216:27
SFO
-
DEN
Nonstop2h 37m
United Airlines
Tue 3/321:20
DEN
-
SFO
Nonstop2h 57m
United Airlines
Deal found 25/1£115
Tue 24/206:05
SFO
-
DEN
Nonstop2h 30m
Southwest
Tue 3/306:00
DEN
-
SFO
1 stop6h 50m
Southwest
Deal found 25/1£137
Wed 25/208:42
SFO
-
DEN
1 stop7h 38m
Alaska Airlines
Wed 25/218:45
DEN
-
SFO
1 stop6h 14m
Alaska Airlines
Deal found 25/1£140
Fri 27/205:00
SFO
-
DEN
Nonstop2h 30m
Southwest
Sun 1/322:00
DEN
-
SFO
Nonstop3h 05m
Southwest
Deal found 26/1£144
Wed 1/406:35
SFO
-
DEN
1 stop16h 09m
Alaska Airlines
Mon 6/413:16
DEN
-
SFO
1 stop10h 36m
Alaska Airlines
Deal found 25/1£148
Wed 25/206:00
SFO
-
DEN
1 stop4h 45m
Delta
Fri 6/318:20
DEN
-
SFO
1 stop6h 34m
Delta
Deal found 25/1£151
Sat 28/206:40
SFO
-
DEN
Nonstop2h 25m
Southwest
Sun 1/322:00
DEN
-
SFO
Nonstop3h 05m
Southwest
Deal found 26/1£159
Thu 19/208:11
SFO
-
DEN
1 stop14h 48m
Alaska Airlines
Tue 24/218:45
DEN
-
SFO
1 stop6h 14m
Alaska Airlines
Deal found 26/1£160
Tue 17/211:41
SFO
-
DEN
1 stop22h 01m
Alaska Airlines
Tue 24/218:45
DEN
-
SFO
1 stop6h 14m
Alaska Airlines
Deal found 25/1£161
Tue 24/207:40
SFO
-
DEN
2 stops7h 10m
Southwest
Sat 28/216:00
DEN
-
SFO
1 stop7h 05m
Southwest
Deal found 25/1£162
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 27 January 2026.
Wed 1/406:35
SFO
-
DEN
1 stop16h 09m
Alaska Airlines
Mon 6/413:16
DEN
-
SFO
1 stop10h 36m
Alaska Airlines
Deal found 25/1£148
Sat 21/305:05
SFO
-
DEN
Nonstop2h 37m
United Airlines
Wed 25/320:51
DEN
-
SFO
Nonstop2h 56m
United Airlines
Deal found 24/1£159
Sat 21/206:40
SFO
-
DEN
Nonstop2h 25m
Southwest
Mon 23/220:55
DEN
-
SFO
Nonstop2h 55m
Southwest
Deal found 26/1£159
Wed 1/405:00
SFO
-
DEN
Nonstop2h 40m
United Airlines
Sun 5/405:15
DEN
-
SFO
Nonstop2h 50m
United Airlines
Deal found 26/1£159
Wed 1/406:25
SFO
-
DEN
2 stops6h 55m
Southwest
Tue 7/419:50
DEN
-
SFO
1 stop4h 25m
Southwest
Deal found 26/1£162
Tue 24/207:40
SFO
-
DEN
2 stops7h 10m
Southwest
Tue 3/313:10
DEN
-
SFO
2 stops9h 05m
Southwest
Deal found 26/1£166
Sat 28/216:27
SFO
-
DEN
Nonstop2h 37m
United Airlines
Sun 1/305:20
DEN
-
SFO
Nonstop2h 58m
United Airlines
Deal found 24/1£182
Wed 1/419:20
SFO
-
DEN
Nonstop2h 30m
Southwest
Sun 5/419:00
DEN
-
SFO
1 stop6h 55m
Southwest
Deal found 26/1£166
Wed 25/207:40
SFO
-
DEN
2 stops7h 10m
Southwest
Wed 25/217:45
DEN
-
SFO
1 stop5h 05m
Southwest
Deal found 25/1£177
Mon 9/311:50
SFO
-
DEN
1 stop7h 10m
Southwest
Tue 10/313:10
DEN
-
SFO
2 stops7h 50m
Southwest
Deal found 26/1£177
Sat 21/205:00
SFO
-
DEN
2 stops7h 20m
Southwest
Tue 24/213:10
DEN
-
SFO
2 stops9h 05m
Southwest
Deal found 26/1£181
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 27 January 2026.
Tue 24/221:20
SFO
-
DEN
Nonstop2h 38m
United Airlines
Sat 28/221:20
DEN
-
SFO
Nonstop2h 57m
United Airlines
Deal found 25/1£115
Tue 24/219:06
SFO
-
DEN
Nonstop2h 38m
United Airlines
Tue 3/321:20
DEN
-
SFO
Nonstop2h 57m
United Airlines
Deal found 26/1£129
Fri 27/205:00
SFO
-
DEN
Nonstop2h 30m
Southwest
Sun 1/322:00
DEN
-
SFO
Nonstop3h 05m
Southwest
Deal found 26/1£144
Sat 28/206:40
SFO
-
DEN
Nonstop2h 25m
Southwest
Sun 1/322:00
DEN
-
SFO
Nonstop3h 05m
Southwest
Deal found 26/1£159
Tue 10/218:50
SFO
-
DEN
Nonstop2h 36m
United Airlines
Tue 17/205:20
DEN
-
SFO
Nonstop2h 58m
United Airlines
Deal found 26/1£166
Sat 28/213:55
SFO
-
DEN
Nonstop2h 25m
Southwest
Mon 2/320:55
DEN
-
SFO
Nonstop2h 55m
Southwest
Deal found 26/1£173
Sat 28/216:27
SFO
-
DEN
Nonstop2h 37m
United Airlines
Sun 1/305:20
DEN
-
SFO
Nonstop2h 58m
United Airlines
Deal found 24/1£182
Fri 27/205:10
SFO
-
DEN
Nonstop2h 37m
United Airlines
Mon 2/321:20
DEN
-
SFO
Nonstop2h 57m
United Airlines
Deal found 24/1£195
Wed 20/519:05
SFO
-
DEN
Nonstop2h 52m
United Airlines
Tue 26/521:10
DEN
-
SFO
Nonstop2h 46m
United Airlines
Deal found 25/1£216
Wed 24/619:20
SFO
-
DEN
Nonstop2h 30m
Southwest
Sat 27/617:25
DEN
-
SFO
Nonstop2h 35m
Southwest
Deal found 24/1£217
Fri 20/221:20
SFO
-
DEN
Nonstop2h 38m
United Airlines
Sun 22/205:20
DEN
-
SFO
Nonstop2h 58m
United Airlines
Deal found 25/1£225
Last-minute flights from San Francisco to Denver
Discover last-minute flight deals from San Francisco to Denver. Data last updated 27 January 2026 and is based on user searches.
Tue 17/211:41
SFO
-
DEN
1 stop22h 01m
Alaska Airlines
Tue 24/218:45
DEN
-
SFO
1 stop6h 14m
Alaska Airlines
Deal found 25/1£161
Thu 19/208:11
SFO
-
DEN
1 stop14h 48m
Alaska Airlines
Tue 24/218:45
DEN
-
SFO
1 stop6h 14m
Alaska Airlines
Deal found 26/1£160
Tue 24/216:27
SFO
-
DEN
Nonstop2h 37m
United Airlines
Tue 3/321:20
DEN
-
SFO
Nonstop2h 57m
United Airlines
Deal found 25/1£115
Tue 24/206:05
SFO
-
DEN
Nonstop2h 30m
Southwest
Tue 3/306:00
DEN
-
SFO
1 stop6h 50m
Southwest
Deal found 25/1£137
Wed 25/208:42
SFO
-
DEN
1 stop7h 38m
Alaska Airlines
Wed 25/218:45
DEN
-
SFO
1 stop6h 14m
Alaska Airlines
Deal found 25/1£140
Wed 25/206:00
SFO
-
DEN
1 stop4h 45m
Delta
Fri 6/318:20
DEN
-
SFO
1 stop6h 34m
Delta
Deal found 25/1£151
Fri 27/221:20
SFO
-
DEN
Nonstop2h 38m
United Airlines
Sun 1/305:20
DEN
-
SFO
Nonstop2h 58m
United Airlines
Deal found 26/1£144
Sat 28/206:40
SFO
-
DEN
Nonstop2h 25m
Southwest
Sun 1/322:00
DEN
-
SFO
Nonstop3h 05m
Southwest
Deal found 26/1£159
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 27 January 2026.
Wed 25/209:50
SFO
-
DEN
Nonstop2h 25m
Southwest
Deal found 26/1£72
Wed 18/209:55
SFO
-
DEN
1 stop4h 07m
Delta
Deal found 25/1£80
Mon 16/205:00
SFO
-
DEN
Nonstop2h 30m
Southwest
Deal found 26/1£87
Fri 27/214:39
SFO
-
DEN
1 stop7h 46m
Delta
Deal found 25/1£89
Tue 17/205:55
SFO
-
DEN
1 stop16h 30m
Delta
Deal found 25/1£93
Tue 10/216:31
SFO
-
DEN
Nonstop2h 41m
United Airlines
Deal found 26/1£94
Tue 17/205:10
SFO
-
DEN
Nonstop2h 37m
United Airlines
Deal found 25/1£98
Wed 11/207:40
SFO
-
DEN
2 stops7h 10m
Southwest
Deal found 26/1£105
Thu 21/506:15
SFO
-
DEN
Nonstop2h 44m
United Airlines
Deal found 26/1£109
Thu 26/305:40
SFO
-
DEN
1 stop4h 53m
Delta
Deal found 26/1£110
Fri 27/222:26
SFO
-
DEN
2 stops17h 54m
Alaska Airlines
Deal found 25/1£112
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 27 January 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 27 January 2026.
Use the filters below to find and compare flights from San Francisco to Denver that are best for you.
Fly from
San Francisco
Fly to
Denver
Route
Depart
Return
Price
San FranciscoDenver
SFO - DEN
SFODEN
San Francisco
Wed 1/4
06:35-23:44
1 stop16h 09m
Denver Intl
Mon 6/4
13:16-22:52
1 stop10h 36m
£148
San FranciscoDenver
SFO - DEN
SFODEN
San Francisco
Sat 21/3
05:05-08:42
Nonstop2h 37m
Denver Intl
Wed 25/3
20:51-22:47
Nonstop2h 56m
£159
San FranciscoDenver
SFO - DEN
SFODEN
San Francisco
Sat 21/2
06:40-10:05
Nonstop2h 25m
Denver Intl
Mon 23/2
20:55-22:50
Nonstop2h 55m
£159
San FranciscoDenver
SFO - DEN
SFODEN
San Francisco
Wed 1/4
05:00-08:40
Nonstop2h 40m
Denver Intl
Sun 5/4
05:15-07:05
Nonstop2h 50m
£159
San FranciscoDenver
SFO - DEN
SFODEN
San Francisco
Wed 1/4
06:25-14:20
2 stops6h 55m
Denver Intl
Tue 7/4
19:50-23:15
1 stop4h 25m
£162
San FranciscoDenver
SFO - DEN
SFODEN
San Francisco
Tue 24/2
07:40-15:50
2 stops7h 10m
Denver Intl
Tue 3/3
13:10-21:15
2 stops9h 05m
£166
San FranciscoDenver
SFO - DEN
SFODEN
San Francisco
Wed 1/4
19:20-22:50
Nonstop2h 30m
Denver Intl
Sun 5/4
19:00-00:55
1 stop6h 55m
£166
San FranciscoDenver
SFO - DEN
SFODEN
San Francisco
Wed 25/2
07:40-15:50
2 stops7h 10m
Denver Intl
Wed 25/2
17:45-21:50
1 stop5h 05m
£177
San FranciscoDenver
SFO - DEN
SFODEN
San Francisco
Mon 9/3
11:50-20:00
1 stop7h 10m
Denver Intl
Tue 10/3
13:10-20:00
2 stops7h 50m
£177
San FranciscoDenver
SFO - DEN
SFODEN
San Francisco
Sat 21/2
05:00-13:20
2 stops7h 20m
Denver Intl
Tue 24/2
13:10-21:15
2 stops9h 05m
£181
Flights are sorted by cheapest return flights first.
Deals found on 26/1
Showing 1-10 of 21 results
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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.
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?
Use this chart to determine the optimal time to book a return flight from San Francisco to Denver. Price data was last updated on 23 January 2026.
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 61 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, February is the cheapest month in which you can book a flight from San Francisco to Denver (average of £20). Flying from San Francisco to Denver in June is currently the most expensive (average of £78). 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 27 January 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 47% versus a flight at midday.
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 27 January 2026.
The most flights from SFO to DEN are scheduled on a Sunday (46 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (30 on average).
How often are flights from San Francisco to Denver delayed?
About 17% of weekly flights between San Francisco and Denver have experienced delays in the past year, with the average delay time being 143 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 Sunday 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 27 January 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.
The flight was over booked and was unadble to get help with issue. I could not get a refund or rebooked in order to make my trip
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 40m for a nonstop flight. There are 39 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 28 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 2h 25m. Fly via Alaska Airlines, United Airlines, 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 £59. You may be able to fly from San Francisco to Denver for 66% 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: Air China (85%), Asiana Airlines (80%), ANA( 78%).
What are the cheapest flights from San Francisco to Denver?
Looking at all options, your cheapest flight can be booked for £217. While the most popular route (San Francisco - Denver Intl) can be booked for £111 on average, our data indicates £217 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, February is the cheapest month in which you can book a flight from San Francisco to Denver (average of £20). Flying from San Francisco to Denver in June is currently the most expensive (average of £78). 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.
Explore flights to Denver departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 27 January 2026.
Browse through other flights departing from San Francisco. Flights are based on user searches made on Cheapflights and were last updated on 27 January 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 27 January 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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