Cheap flights from San Francisco to Denver from $127
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 16/5. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — DEN
8 Apr — 15 Apr1
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 August, booked 53 days in advance, depart on a Monday or Tuesday 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 9 March 2026.
Sat 18/419:40
SFO
-
DEN
1 stop7h 19m
Frontier
Sat 25/421:25
DEN
-
SFO
Nonstop3h 00m
Frontier
Deal found 4/3$172
Fri 8/521:33
SFO
-
DEN
1 stop5h 26m
Frontier
Sun 10/507:15
DEN
-
SFO
Nonstop2h 53m
Frontier
Deal found 5/3$201
Sat 9/506:00
SFO
-
DEN
Nonstop2h 42m
Frontier
Sun 10/522:29
DEN
-
SFO
Nonstop2h 53m
Frontier
Deal found 5/3$235
Tue 21/419:07
SFO
-
DEN
Nonstop2h 52m
United Airlines
Tue 28/405:15
DEN
-
SFO
Nonstop2h 50m
United Airlines
Deal found 9/3$252
Wed 15/411:13
SFO
-
DEN
1 stop11h 43m
Alaska Airlines
Sat 25/413:02
DEN
-
SFO
1 stop5h 19m
Alaska Airlines
Deal found 6/3$256
Wed 15/410:32
SFO
-
DEN
1 stop6h 38m
Delta
Fri 24/406:55
DEN
-
SFO
1 stop17h 42m
Delta
Deal found 6/3$260
Wed 15/414:57
SFO
-
DEN
1 stop7h 53m
Delta
Mon 20/418:27
DEN
-
SFO
2 stops15h 55m
Delta
Deal found 9/3$268
Wed 15/406:35
SFO
-
DEN
1 stop16h 09m
Alaska Airlines
Wed 22/406:00
DEN
-
SFO
1 stop13h 09m
Alaska Airlines
Deal found 7/3$275
Thu 16/420:53
SFO
-
DEN
Nonstop2h 52m
United Airlines
Sat 18/407:39
DEN
-
SFO
Nonstop2h 51m
United Airlines
Deal found 5/3$280
Sat 18/405:40
SFO
-
DEN
Nonstop2h 35m
Southwest
Wed 22/414:50
DEN
-
SFO
1 stop6h 05m
Southwest
Deal found 5/3$295
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 9 March 2026.
Tue 5/510:32
SFO
-
DEN
2 stops10h 57m
Delta
Sat 9/506:05
DEN
-
SFO
1 stop7h 24m
Delta
Deal found 8/3$268
Sat 18/416:50
SFO
-
DEN
Nonstop2h 53m
United Airlines
Mon 20/405:15
DEN
-
SFO
Nonstop2h 50m
United Airlines
Deal found 6/3$280
Mon 11/515:40
SFO
-
DEN
2 stops7h 05m
Southwest
Thu 14/508:40
DEN
-
SFO
1 stop6h 45m
Southwest
Deal found 4/3$373
Sat 18/406:30
SFO
-
DEN
1 stop9h 54m
Alaska Airlines
Sat 25/411:46
DEN
-
SFO
2 stops11h 42m
Alaska Airlines
Deal found 4/3$396
Sat 9/505:00
SFO
-
DEN
2 stops6h 20m
Southwest
Sun 10/505:55
DEN
-
SFO
1 stop5h 20m
Southwest
Deal found 5/3$373
Sat 11/406:15
SFO
-
DEN
1 stop5h 35m
Southwest
Sat 18/408:45
DEN
-
SFO
2 stops11h 35m
Southwest
Deal found 8/3$381
Mon 11/510:29
SFO
-
DEN
2 stops8h 23m
Delta
Thu 14/518:19
DEN
-
SFO
1 stop4h 11m
Delta
Deal found 7/3$420
Fri 8/505:05
SFO
-
DEN
1 stop5h 00m
Southwest
Sun 10/518:30
DEN
-
SFO
2 stops7h 20m
Southwest
Deal found 5/3$430
Mon 20/705:00
SFO
-
DEN
2 stops6h 25m
Southwest
Mon 27/718:45
DEN
-
SFO
1 stop4h 40m
Southwest
Deal found 6/3$529
Wed 29/705:50
SFO
-
DEN
2 stops6h 40m
Southwest
Sun 2/806:05
DEN
-
SFO
1 stop6h 40m
Southwest
Deal found 8/3$544
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 9 March 2026.
Fri 8/506:00
SFO
-
DEN
Nonstop2h 42m
Frontier
Sun 10/522:29
DEN
-
SFO
Nonstop2h 53m
Frontier
Deal found 5/3$172
Sat 9/506:00
SFO
-
DEN
Nonstop2h 42m
Frontier
Sun 10/522:29
DEN
-
SFO
Nonstop2h 53m
Frontier
Deal found 5/3$235
Tue 21/419:07
SFO
-
DEN
Nonstop2h 52m
United Airlines
Tue 28/405:15
DEN
-
SFO
Nonstop2h 50m
United Airlines
Deal found 9/3$252
Thu 16/420:53
SFO
-
DEN
Nonstop2h 52m
United Airlines
Sat 18/407:39
DEN
-
SFO
Nonstop2h 51m
United Airlines
Deal found 5/3$280
Thu 30/405:00
SFO
-
DEN
Nonstop2h 40m
United Airlines
Sun 3/507:45
DEN
-
SFO
Nonstop2h 50m
United Airlines
Deal found 5/3$309
Sun 5/420:53
SFO
-
DEN
Nonstop2h 52m
United Airlines
Wed 8/405:15
DEN
-
SFO
Nonstop2h 50m
United Airlines
Deal found 6/3$337
Wed 15/406:40
SFO
-
DEN
Nonstop2h 40m
United Airlines
Wed 22/405:15
DEN
-
SFO
Nonstop2h 50m
United Airlines
Deal found 5/3$351
Sat 4/419:07
SFO
-
DEN
Nonstop2h 52m
United Airlines
Sat 11/405:15
DEN
-
SFO
Nonstop2h 50m
United Airlines
Deal found 5/3$366
Tue 7/405:00
SFO
-
DEN
Nonstop2h 40m
United Airlines
Tue 14/409:35
DEN
-
SFO
Nonstop2h 50m
United Airlines
Deal found 4/3$380
Sat 18/420:53
SFO
-
DEN
Nonstop2h 52m
United Airlines
Sun 19/407:39
DEN
-
SFO
Nonstop2h 51m
United Airlines
Deal found 9/3$381
Wed 25/305:55
SFO
-
DEN
Nonstop2h 30m
Southwest
Sat 28/321:30
DEN
-
SFO
Nonstop2h 45m
Southwest
Deal found 5/3$394
Sat 11/420:53
SFO
-
DEN
Nonstop2h 52m
United Airlines
Sat 18/405:15
DEN
-
SFO
Nonstop2h 50m
United Airlines
Deal found 8/3$408
Last-minute flights from San Francisco to Denver
Discover last-minute flight deals from San Francisco to Denver. Data last updated 9 March 2026 and is based on user searches.
Wed 15/411:13
SFO
-
DEN
1 stop11h 43m
Alaska Airlines
Sat 25/413:02
DEN
-
SFO
1 stop5h 19m
Alaska Airlines
Deal found 6/3$256
Wed 15/410:32
SFO
-
DEN
1 stop6h 38m
Delta
Fri 24/406:55
DEN
-
SFO
1 stop17h 42m
Delta
Deal found 6/3$260
Wed 15/414:57
SFO
-
DEN
1 stop7h 53m
Delta
Mon 20/418:27
DEN
-
SFO
2 stops15h 55m
Delta
Deal found 9/3$268
Wed 15/406:35
SFO
-
DEN
1 stop16h 09m
Alaska Airlines
Wed 22/406:00
DEN
-
SFO
1 stop13h 09m
Alaska Airlines
Deal found 7/3$275
Thu 16/420:53
SFO
-
DEN
Nonstop2h 52m
United Airlines
Sat 18/407:39
DEN
-
SFO
Nonstop2h 51m
United Airlines
Deal found 5/3$280
Sat 18/419:40
SFO
-
DEN
1 stop7h 19m
Frontier
Sat 25/421:25
DEN
-
SFO
Nonstop3h 00m
Frontier
Deal found 4/3$172
Sat 18/405:40
SFO
-
DEN
Nonstop2h 35m
Southwest
Wed 22/414:50
DEN
-
SFO
1 stop6h 05m
Southwest
Deal found 5/3$295
Tue 21/419:07
SFO
-
DEN
Nonstop2h 52m
United Airlines
Tue 28/405:15
DEN
-
SFO
Nonstop2h 50m
United Airlines
Deal found 9/3$252
Wed 29/412:26
SFO
-
DEN
2 stops10h 33m
Alaska Airlines
Tue 5/513:02
DEN
-
SFO
1 stop5h 19m
Alaska Airlines
Deal found 7/3$306
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 9 March 2026.
Sat 16/516:55
SFO
-
DEN
Nonstop2h 53m
United Airlines
Deal found 9/3$127
Wed 13/513:35
SFO
-
DEN
1 stop9h 17m
Delta
Deal found 9/3$131
Mon 4/510:32
SFO
-
DEN
2 stops10h 57m
Delta
Deal found 9/3$138
Sat 25/417:50
SFO
-
DEN
1 stop4h 29m
Delta
Deal found 9/3$141
Fri 8/519:00
SFO
-
DEN
2 stops15h 49m
Delta
Deal found 9/3$147
Mon 11/505:00
SFO
-
DEN
Nonstop2h 40m
United Airlines
Deal found 9/3$155
Wed 8/414:55
SFO
-
DEN
1 stop7h 37m
Delta
Deal found 5/3$159
Mon 20/405:59
SFO
-
DEN
1 stop16h 51m
Delta
Deal found 4/3$166
Sun 3/506:00
SFO
-
DEN
1 stop5h 11m
Delta
Deal found 5/3$169
Sat 2/506:00
SFO
-
DEN
2 stops6h 55m
Southwest
Deal found 9/3$176
Wed 1/406:00
SFO
-
DEN
2 stops12h 57m
Delta
Deal found 5/3$181
Wed 1/419:07
SFO
-
DEN
Nonstop2h 52m
United Airlines
Deal found 4/3$184
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 9 March 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 647,157 searches. Data last updated 9 March 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
Tue 5/5
10:32-22:29
2 stops10h 57m
Denver Intl
Sat 9/5
06:05-12:29
1 stop7h 24m
$268
Fastest return journey
San FranciscoDenver
SFO - DEN
SFODEN
San Francisco
Sat 18/4
16:50-20:43
Nonstop2h 53m
Denver Intl
Mon 20/4
05:15-07:05
Nonstop2h 50m
$280
San FranciscoDenver
SFO - DEN
SFODEN
San Francisco
Mon 11/5
15:40-23:45
2 stops7h 05m
Denver Intl
Thu 14/5
08:40-14:25
1 stop6h 45m
$373
San FranciscoDenver
SFO - DEN
SFODEN
San Francisco
Sat 9/5
05:00-12:20
2 stops6h 20m
Denver Intl
Sun 10/5
05:55-10:15
1 stop5h 20m
$373
San FranciscoDenver
SFO - DEN
SFODEN
San Francisco
Sat 11/4
06:15-12:50
1 stop5h 35m
Denver Intl
Sat 18/4
08:45-19:20
2 stops11h 35m
$381
San FranciscoDenver
SFO - DEN
SFODEN
San Francisco
Sat 18/4
06:30-17:24
1 stop9h 54m
Denver Intl
Sat 25/4
11:46-22:28
2 stops11h 42m
$396
San FranciscoDenver
SFO - DEN
SFODEN
San Francisco
Mon 11/5
10:29-19:52
2 stops8h 23m
Denver Intl
Thu 14/5
18:19-21:30
1 stop4h 11m
$420
San FranciscoDenver
SFO - DEN
SFODEN
San Francisco
Fri 8/5
05:05-11:05
1 stop5h 00m
Denver Intl
Sun 10/5
18:30-00:50
2 stops7h 20m
$430
San FranciscoDenver
SFO - DEN
SFODEN
San Francisco
Mon 20/7
05:00-12:25
2 stops6h 25m
Denver Intl
Mon 27/7
18:45-22:25
1 stop4h 40m
$529
San FranciscoDenver
SFO - DEN
SFODEN
San Francisco
Wed 29/7
05:50-13:30
2 stops6h 40m
Denver Intl
Sun 2/8
06:05-11:45
1 stop6h 40m
$544
Flights are sorted by cheapest return flights first.
Deals found on 8/3
Showing 1-10 of 22 resultsSorted by cheapest first
1
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?
Use this chart to determine the optimal time to book a return flight from San Francisco to Denver. Price data was last updated on 6 March 2026.
To ensure you get the cheapest price possible for a flight from San Francisco to Denver, you should look to book at least 53 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from San Francisco to Denver?
Currently, January is the cheapest month in which you can book a flight from San Francisco to Denver (average of $83). Flying from San Francisco to Denver in July is currently the most expensive (average of $149). 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 9 March 2026.
It’s optimal to fly from San Francisco to Denver in the morning. By choosing this option you can save up to 51% on the cost of your flight, compared to a flight in the afternoon.
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 9 March 2026.
The most flights from SFO to DEN are scheduled on a Monday (53 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (21 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 145 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.
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.
How popular is this San Francisco to Denver flight route?
Flights from San Francisco to Denver Intl have been viewed 17 times in the past calendar month.
How long is the flight from San Francisco to Denver?
A quick flight from San Francisco to Denver can take about 6h 20m. Delta provides one of the quickest options available for as low as $373. San Francisco and Denver are separated by a distance of 1551 km. This flight may include one or multiple stops.
What are the most reliable airlines from San Francisco to Denver?
The top 3 most reliable airlines when flying from San Francisco to Denver are Volaris (96%), Frontier (85%) and ANA (85%).
What are the cheapest flights from San Francisco to Denver?
The cheapest flight price from San Francisco to Denver is $144. On average you can expect to pay $310. The most popular route, (San Francisco - Denver Intl), can usually be booked for $225.
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, January is the cheapest month in which you can book a flight from San Francisco to Denver (average of $83). Flying from San Francisco to Denver in July is currently the most expensive (average of $149). 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 9 March 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 helps you search for flights from San Francisco to Denver via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.
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?
Users can book flights with no change fees policies with our dedicated filters. Book flights from San Francisco to Denver flexibly with Cheapflights today.
Can Cheapflights notify me if prices for flights from San Francisco to Denver become cheaper?
Yes! Start tracking prices for San Francisco to Denver flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.
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