Cheap flights from San Francisco to Denver from £58
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 7/2. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — DEN
11 Jan — 18 Jan1
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 January or March, booked 53 days in advance, depart on a Wednesday or Tuesday 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 12 December 2025.
Wed 31/1205:50SFO - DEN
Nonstop2h 25mSouthwest
Wed 7/120:25DEN - SFO
Nonstop2h 55mSouthwest
Deal found 9/12£184
Tue 30/1206:30SFO - DEN
2 stops7h 50mSouthwest
Wed 7/113:10DEN - SFO
2 stops9h 05mSouthwest
Deal found 10/12£229
Mon 29/1218:28SFO - DEN
Nonstop2h 32mUnited Airlines
Wed 31/1205:45DEN - SFO
Nonstop2h 55mUnited Airlines
Deal found 10/12£244
Wed 24/1212:26SFO - DEN
1 stop8h 51mDelta
Tue 6/106:29DEN - SFO
1 stop17h 59mDelta
Deal found 10/12£256
Thu 25/1208:35SFO - DEN
Nonstop2h 48mUnited Airlines
Tue 30/1205:45DEN - SFO
Nonstop2h 55mUnited Airlines
Deal found 11/12£267
Sat 20/1216:25SFO - DEN
1 stop18h 57mUnited Airlines
Sun 21/1215:57DEN - SFO
Nonstop2h 53mUnited Airlines
Deal found 10/12£279
Wed 24/1210:40SFO - DEN
1 stop11h 19mJetBlue
Thu 1/123:59DEN - SFO
1 stop12h 45mJetBlue
Deal found 10/12£288
Thu 25/1206:30SFO - DEN
Nonstop2h 40mUnited Airlines
Thu 1/105:45DEN - SFO
Nonstop2h 55mUnited Airlines
Deal found 10/12£296
Tue 30/1208:35SFO - DEN
Nonstop2h 48mUnited Airlines
Thu 1/107:47DEN - SFO
Nonstop2h 56mUnited Airlines
Deal found 11/12£297
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 December 2025.
Tue 3/214:52SFO - DEN
1 stop8h 06mAlaska Airlines
Thu 5/207:00DEN - SFO
1 stop15h 58mAlaska Airlines
Deal found 11/12£126
Sat 17/105:10SFO - DEN
Nonstop2h 30mSouthwest
Sun 18/108:35DEN - SFO
Nonstop2h 55mSouthwest
Deal found 10/12£132
Fri 23/116:40SFO - DEN
1 stop5h 45mDelta
Sun 25/106:29DEN - SFO
1 stop9h 11mDelta
Deal found 10/12£137
Sun 25/110:12SFO - DEN
1 stop7h 29mAlaska Airlines
Tue 27/112:34DEN - SFO
1 stop6h 14mAlaska Airlines
Deal found 11/12£131
Sat 14/314:55SFO - DEN
1 stop7h 35mDelta
Wed 18/306:30DEN - SFO
1 stop8h 35mDelta
Deal found 10/12£137
Fri 9/112:00SFO - DEN
1 stop10h 35mAlaska Airlines
Tue 13/112:34DEN - SFO
1 stop4h 58mAlaska Airlines
Deal found 11/12£134
Fri 30/116:40SFO - DEN
1 stop5h 45mDelta
Sun 1/206:29DEN - SFO
1 stop9h 11mDelta
Deal found 11/12£137
Fri 23/107:00SFO - DEN
1 stop15h 35mAlaska Airlines
Wed 28/107:00DEN - SFO
1 stop8h 00mAlaska Airlines
Deal found 11/12£134
Sun 15/314:55SFO - DEN
1 stop7h 36mDelta
Tue 24/306:30DEN - SFO
1 stop10h 34mDelta
Deal found 10/12£137
Sun 15/306:30SFO - DEN
1 stop16h 29mAlaska Airlines
Tue 24/317:15DEN - SFO
1 stop5h 55mAlaska Airlines
Deal found 10/12£137
Sat 24/110:30SFO - DEN
1 stop6h 04mDelta
Tue 27/107:00DEN - SFO
2 stops11h 49mDelta
Deal found 11/12£140
Fri 13/316:46SFO - DEN
1 stop5h 44mDelta
Wed 18/312:35DEN - SFO
2 stops12h 18mDelta
Deal found 10/12£140
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 December 2025.
Sat 24/107:00SFO - DEN
Nonstop2h 36mFrontier
Sat 31/121:44DEN - SFO
Nonstop2h 57mFrontier
Deal found 9/12£78
Wed 21/118:50SFO - DEN
Nonstop2h 36mUnited Airlines
Wed 28/110:08DEN - SFO
Nonstop2h 50mUnited Airlines
Deal found 10/12£117
Sat 10/105:10SFO - DEN
Nonstop2h 30mSouthwest
Mon 12/108:35DEN - SFO
Nonstop2h 55mSouthwest
Deal found 10/12£132
Fri 16/121:23SFO - DEN
Nonstop2h 36mUnited Airlines
Sun 25/105:18DEN - SFO
Nonstop2h 56mUnited Airlines
Deal found 10/12£147
Thu 8/112:30SFO - DEN
Nonstop2h 30mSouthwest
Mon 12/108:35DEN - SFO
Nonstop2h 55mSouthwest
Deal found 10/12£162
Wed 31/1205:50SFO - DEN
Nonstop2h 25mSouthwest
Wed 7/120:25DEN - SFO
Nonstop2h 55mSouthwest
Deal found 9/12£184
Mon 12/108:35SFO - DEN
Nonstop2h 48mUnited Airlines
Thu 15/107:47DEN - SFO
Nonstop2h 58mUnited Airlines
Deal found 11/12£196
Mon 5/115:55SFO - DEN
Nonstop2h 25mSouthwest
Thu 8/115:15DEN - SFO
Nonstop2h 50mSouthwest
Deal found 10/12£199
Thu 7/505:30SFO - DEN
Nonstop2h 30mSouthwest
Mon 11/518:05DEN - SFO
Nonstop2h 50mSouthwest
Deal found 10/12£222
Thu 15/121:23SFO - DEN
Nonstop2h 36mUnited Airlines
Sun 18/105:18DEN - SFO
Nonstop2h 56mUnited Airlines
Deal found 10/12£229
Thu 1/117:11SFO - DEN
Nonstop2h 42mUnited Airlines
Mon 5/107:47DEN - SFO
Nonstop2h 56mUnited Airlines
Deal found 10/12£237
Mon 29/1218:28SFO - DEN
Nonstop2h 32mUnited Airlines
Wed 31/1205:45DEN - SFO
Nonstop2h 55mUnited Airlines
Deal found 10/12£244
Last-minute flights from San Francisco to Denver
Discover last-minute flight deals from San Francisco to Denver. Data last updated 12 December 2025 and is based on user searches.
Sat 10/105:10SFO - DEN
Nonstop2h 30mSouthwest
Mon 12/108:35DEN - SFO
Nonstop2h 55mSouthwest
Deal found 10/12£132
Sat 17/110:35SFO - DEN
1 stop5h 59mDelta
Sun 18/106:29DEN - SFO
1 stop8h 09mDelta
Deal found 10/12£137
Tue 20/114:30SFO - DEN
1 stop8h 05mAlaska Airlines
Wed 21/112:34DEN - SFO
1 stop4h 58mAlaska Airlines
Deal found 11/12£124
Tue 20/116:46SFO - DEN
1 stop5h 49mAlaska Airlines
Wed 28/117:09DEN - SFO
1 stop6h 54mAlaska Airlines
Deal found 11/12£131
Tue 20/114:30SFO - DEN
1 stop8h 05mAlaska Airlines
Sat 24/107:00DEN - SFO
1 stop11h 59mAlaska Airlines
Deal found 10/12£134
Wed 21/118:50SFO - DEN
Nonstop2h 36mUnited Airlines
Wed 28/110:08DEN - SFO
Nonstop2h 50mUnited Airlines
Deal found 10/12£117
Wed 21/110:12SFO - DEN
1 stop12h 46mAlaska Airlines
Sun 25/107:00DEN - SFO
1 stop14h 12mAlaska Airlines
Deal found 10/12£126
Sat 24/107:00SFO - DEN
Nonstop2h 36mFrontier
Sat 31/121:44DEN - SFO
Nonstop2h 57mFrontier
Deal found 9/12£78
Sat 24/114:30SFO - DEN
1 stop8h 05mMultiple Airlines
Sat 31/121:44DEN - SFO
Nonstop2h 57mMultiple Airlines
Deal found 9/12£83
Sat 24/116:46SFO - DEN
1 stop5h 49mHawaiian Airlines
Sat 31/112:34DEN - SFO
1 stop4h 58mHawaiian Airlines
Deal found 9/12£110
Wed 28/109:16SFO - DEN
1 stop13h 42mAlaska Airlines
Sat 31/112:34DEN - SFO
1 stop4h 58mAlaska Airlines
Deal found 11/12£117
Wed 28/107:00SFO - DEN
1 stop15h 58mAlaska Airlines
Mon 2/211:49DEN - SFO
2 stops12h 14mAlaska Airlines
Deal found 10/12£131
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 December 2025.
Sat 7/214:52SFO - DEN
1 stop8h 06mAlaska Airlines
Deal found 9/12£58
Sat 7/205:00SFO - DEN
Nonstop2h 39mUnited Airlines
Deal found 9/12£59
Tue 20/110:16SFO - DEN
1 stop12h 42mAlaska Airlines
Deal found 11/12£63
Sat 24/114:30SFO - DEN
1 stop8h 05mAlaska Airlines
Deal found 10/12£66
Sun 25/110:30SFO - DEN
1 stop6h 04mDelta
Deal found 10/12£69
Thu 8/113:20SFO - DEN
2 stops9h 05mDelta
Deal found 11/12£72
Wed 7/114:52SFO - DEN
1 stop8h 06mAlaska Airlines
Deal found 11/12£73
Tue 6/106:25SFO - DEN
Nonstop2h 40mUnited Airlines
Deal found 10/12£74
Sun 8/308:42SFO - DEN
1 stop14h 17mAlaska Airlines
Deal found 11/12£80
Sat 10/121:23SFO - DEN
Nonstop2h 37mUnited Airlines
Deal found 10/12£85
Tue 17/306:30SFO - DEN
2 stops10h 18mAlaska Airlines
Deal found 10/12£87
Tue 6/109:50SFO - DEN
Nonstop2h 25mSouthwest
Deal found 10/12£89
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 December 2025.
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 December 2025.
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
Tue 3/2
14:52-23:58
1 stop8h 06m
Denver Intl
Thu 5/2
07:00-21:58
1 stop15h 58m
£126
San FranciscoDenver
SFO - DEN
SFODEN
San Francisco
Sun 25/1
10:12-18:41
1 stop7h 29m
Denver Intl
Tue 27/1
12:34-17:48
1 stop6h 14m
£131
San FranciscoDenver
SFO - DEN
SFODEN
San Francisco
Sat 17/1
05:10-08:40
Nonstop2h 30m
Denver Intl
Sun 18/1
08:35-10:30
Nonstop2h 55m
£132
San FranciscoDenver
SFO - DEN
SFODEN
San Francisco
Fri 9/1
12:00-23:35
1 stop10h 35m
Denver Intl
Tue 13/1
12:34-16:32
1 stop4h 58m
£134
San FranciscoDenver
SFO - DEN
SFODEN
San Francisco
Fri 23/1
07:00-23:35
1 stop15h 35m
Denver Intl
Wed 28/1
07:00-14:00
1 stop8h 00m
£134
San FranciscoDenver
SFO - DEN
SFODEN
San Francisco
Fri 23/1
16:40-23:25
1 stop5h 45m
Denver Intl
Sun 25/1
06:29-14:40
1 stop9h 11m
£137
San FranciscoDenver
SFO - DEN
SFODEN
San Francisco
Sat 14/3
14:55-23:30
1 stop7h 35m
Denver Intl
Wed 18/3
06:30-14:05
1 stop8h 35m
£137
San FranciscoDenver
SFO - DEN
SFODEN
San Francisco
Fri 30/1
16:40-23:25
1 stop5h 45m
Denver Intl
Sun 1/2
06:29-14:40
1 stop9h 11m
£137
San FranciscoDenver
SFO - DEN
SFODEN
San Francisco
Sun 15/3
14:55-23:31
1 stop7h 36m
Denver Intl
Tue 24/3
06:30-16:04
1 stop10h 34m
£137
San FranciscoDenver
SFO - DEN
SFODEN
San Francisco
Sun 15/3
06:30-23:59
1 stop16h 29m
Denver Intl
Tue 24/3
17:15-22:10
1 stop5h 55m
£137
Flights are sorted by cheapest return flights first.
Deals found on 10/12
Showing 1-10 of 24 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 5 December 2025.
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 53 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 £21). Flying from San Francisco to Denver in June is currently the most expensive (average of £79). 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 December 2025.
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 afternoon, which can drop the price by up to 68% versus a flight in the evening.
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 December 2025.
The most flights from SFO to DEN are scheduled on a Thursday (50 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (25 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 Thursday 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 December 2025.
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 37m 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 32 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 30m. Fly via Alaska 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 £60. You may be able to fly from San Francisco to Denver for 65% 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: Asiana Airlines (88%), United Airlines (87%), Virgin Australia( 87%).
Can I find deals for flights from San Francisco to Denver that include hotel bookings?
Yes. In addition to deals on San Francisco to Denver flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from San Francisco to Denver?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights 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 £21). Flying from San Francisco to Denver in June is currently the most expensive (average of £79). 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 12 December 2025.
Browse through other flights departing from San Francisco. Flights are based on user searches made on Cheapflights and were last updated on 12 December 2025.
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 December 2025.
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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