Cheap flights from San Francisco to Denver from $142
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 23/4. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — DEN
23 Apr — 30 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 April, booked 53 days in advance, depart on a Tuesday or Monday and return on a Monday
Cheap flight deals from San Francisco to Denver
Enter your travel dates to find the best prices.
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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 24 March 2026.
Mon 4/511:56
SFO
-
DEN
Nonstop2h 51m
Frontier
Mon 11/509:47
DEN
-
SFO
Nonstop2h 55m
Frontier
Deal found 19/3$230
Mon 1/618:56
SFO
-
DEN
Nonstop2h 48m
United Airlines
Mon 8/621:10
DEN
-
SFO
Nonstop2h 46m
United Airlines
Deal found 23/3$282
Wed 22/406:20
SFO
-
DEN
Nonstop2h 30m
Southwest
Wed 29/420:25
DEN
-
SFO
Nonstop2h 45m
Southwest
Deal found 23/3$284
Wed 15/410:30
SFO
-
DEN
1 stop5h 50m
Southwest
Mon 20/421:20
DEN
-
SFO
Nonstop2h 45m
Southwest
Deal found 24/3$296
Sat 18/417:50
SFO
-
DEN
1 stop4h 29m
Delta
Mon 20/405:30
DEN
-
SFO
1 stop7h 35m
Delta
Deal found 23/3$310
Wed 22/407:20
SFO
-
DEN
1 stop7h 20m
Southwest
Wed 6/514:05
DEN
-
SFO
2 stops6h 00m
Southwest
Deal found 23/3$312
Tue 2/605:40
SFO
-
DEN
1 stop5h 05m
Delta
Tue 2/615:49
DEN
-
SFO
1 stop6h 41m
Delta
Deal found 23/3$316
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 24 March 2026.
Wed 22/419:15
SFO
-
DEN
Nonstop2h 35m
Southwest
Wed 29/420:25
DEN
-
SFO
Nonstop2h 45m
Southwest
Deal found 23/3$282
Wed 6/516:17
SFO
-
DEN
1 stop6h 02m
Delta
Fri 8/505:30
DEN
-
SFO
1 stop4h 23m
Delta
Deal found 22/3$367
Sat 25/405:40
SFO
-
DEN
Nonstop2h 35m
Southwest
Mon 27/421:20
DEN
-
SFO
Nonstop2h 45m
Southwest
Deal found 21/3$339
Wed 15/414:57
SFO
-
DEN
1 stop7h 53m
Delta
Wed 22/405:30
DEN
-
SFO
2 stops9h 35m
Delta
Deal found 19/3$462
Sat 9/506:00
SFO
-
DEN
2 stops6h 55m
Southwest
Mon 11/517:10
DEN
-
SFO
2 stops6h 15m
Southwest
Deal found 19/3$466
Tue 9/605:50
SFO
-
DEN
2 stops6h 40m
Southwest
Tue 9/620:50
DEN
-
SFO
Nonstop2h 35m
Southwest
Deal found 20/3$475
Tue 26/507:20
SFO
-
DEN
1 stop7h 20m
Southwest
Tue 2/613:15
DEN
-
SFO
2 stops7h 50m
Southwest
Deal found 19/3$489
Wed 27/511:25
SFO
-
DEN
1 stop5h 05m
Southwest
Mon 1/617:10
DEN
-
SFO
2 stops6h 15m
Southwest
Deal found 21/3$489
Mon 4/507:25
SFO
-
DEN
2 stops6h 30m
Southwest
Mon 11/517:10
DEN
-
SFO
2 stops6h 15m
Southwest
Deal found 19/3$495
Wed 10/605:50
SFO
-
DEN
2 stops6h 45m
Southwest
Mon 15/612:35
DEN
-
SFO
2 stops6h 20m
Southwest
Deal found 19/3$568
Sat 27/609:15
SFO
-
DEN
2 stops9h 50m
Southwest
Fri 10/705:50
DEN
-
SFO
1 stop4h 20m
Southwest
Deal found 22/3$569
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 24 March 2026.
Mon 4/511:56
SFO
-
DEN
Nonstop2h 51m
Frontier
Mon 11/509:47
DEN
-
SFO
Nonstop2h 55m
Frontier
Deal found 19/3$230
Mon 1/618:56
SFO
-
DEN
Nonstop2h 48m
United Airlines
Mon 8/621:10
DEN
-
SFO
Nonstop2h 46m
United Airlines
Deal found 23/3$282
Wed 22/406:20
SFO
-
DEN
Nonstop2h 30m
Southwest
Wed 29/420:25
DEN
-
SFO
Nonstop2h 45m
Southwest
Deal found 23/3$284
Sat 18/405:40
SFO
-
DEN
Nonstop2h 35m
Southwest
Sat 25/408:40
DEN
-
SFO
Nonstop2h 45m
Southwest
Deal found 19/3$310
Fri 1/519:05
SFO
-
DEN
Nonstop2h 52m
United Airlines
Sat 9/513:40
DEN
-
SFO
Nonstop2h 51m
United Airlines
Deal found 24/3$325
Sat 25/405:40
SFO
-
DEN
Nonstop2h 35m
Southwest
Mon 27/421:20
DEN
-
SFO
Nonstop2h 45m
Southwest
Deal found 23/3$326
Wed 15/419:15
SFO
-
DEN
Nonstop2h 35m
Southwest
Wed 22/420:25
DEN
-
SFO
Nonstop2h 45m
Southwest
Deal found 20/3$339
Sat 2/505:40
SFO
-
DEN
Nonstop2h 35m
Southwest
Mon 4/521:20
DEN
-
SFO
Nonstop2h 45m
Southwest
Deal found 23/3$353
Thu 30/421:08
SFO
-
DEN
Nonstop2h 51m
United Airlines
Sun 3/507:45
DEN
-
SFO
Nonstop2h 50m
United Airlines
Deal found 24/3$355
Thu 14/505:00
SFO
-
DEN
Nonstop2h 40m
United Airlines
Tue 19/507:45
DEN
-
SFO
Nonstop2h 50m
United Airlines
Deal found 22/3$356
Fri 1/519:05
SFO
-
DEN
Nonstop2h 52m
United Airlines
Sun 3/507:45
DEN
-
SFO
Nonstop2h 50m
United Airlines
Deal found 22/3$367
Mon 20/419:15
SFO
-
DEN
Nonstop2h 35m
Southwest
Fri 24/418:05
DEN
-
SFO
Nonstop2h 55m
Southwest
Deal found 23/3$377
Last-minute flights from San Francisco to Denver
Discover last-minute flight deals from San Francisco to Denver. Data last updated 24 March 2026 and is based on user searches.
Tue 14/406:00
SFO
-
DEN
1 stop5h 11m
Delta
Tue 14/418:51
DEN
-
SFO
1 stop5h 19m
Delta
Deal found 23/3$316
Wed 15/419:07
SFO
-
DEN
Nonstop2h 52m
United Airlines
Mon 20/405:15
DEN
-
SFO
Nonstop2h 50m
United Airlines
Deal found 24/3$282
Wed 15/410:30
SFO
-
DEN
1 stop5h 50m
Southwest
Mon 20/421:20
DEN
-
SFO
Nonstop2h 45m
Southwest
Deal found 24/3$296
Sat 18/417:50
SFO
-
DEN
1 stop4h 29m
Delta
Mon 20/405:30
DEN
-
SFO
1 stop7h 35m
Delta
Deal found 23/3$310
Wed 22/406:20
SFO
-
DEN
Nonstop2h 30m
Southwest
Wed 29/420:25
DEN
-
SFO
Nonstop2h 45m
Southwest
Deal found 23/3$284
Wed 22/407:20
SFO
-
DEN
1 stop7h 20m
Southwest
Wed 6/514:05
DEN
-
SFO
2 stops6h 00m
Southwest
Deal found 23/3$312
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 24 March 2026.
Thu 23/405:25
SFO
-
DEN
Nonstop2h 35m
Southwest
Deal found 24/3$142
Tue 21/419:15
SFO
-
DEN
Nonstop2h 35m
Southwest
Deal found 22/3$143
Wed 22/405:55
SFO
-
DEN
1 stop4h 45m
Southwest
Deal found 23/3$156
Wed 20/516:55
SFO
-
DEN
1 stop4h 45m
Delta
Deal found 23/3$159
Mon 13/415:40
SFO
-
DEN
2 stops7h 05m
Southwest
Deal found 24/3$163
Mon 18/505:25
SFO
-
DEN
Nonstop2h 35m
Southwest
Deal found 22/3$169
Sat 25/405:40
SFO
-
DEN
1 stop4h 52m
Delta
Deal found 23/3$170
Sat 2/506:00
SFO
-
DEN
2 stops6h 55m
Southwest
Deal found 21/3$177
Sat 27/611:24
SFO
-
DEN
1 stop5h 40m
Frontier
Deal found 22/3$180
Wed 15/406:35
SFO
-
DEN
1 stop9h 49m
Alaska Airlines
Deal found 20/3$182
Fri 15/521:08
SFO
-
DEN
Nonstop2h 51m
United Airlines
Deal found 20/3$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 24 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 24 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
Fastest return journey
San FranciscoDenver
SFO - DEN
SFODEN
San Francisco
Wed 22/4
19:15-22:50
Nonstop2h 35m
Denver Intl
Wed 29/4
20:25-22:10
Nonstop2h 45m
$282
San FranciscoDenver
SFO - DEN
SFODEN
San Francisco
Sat 25/4
05:40-09:15
Nonstop2h 35m
Denver Intl
Mon 27/4
21:20-23:05
Nonstop2h 45m
$339
San FranciscoDenver
SFO - DEN
SFODEN
San Francisco
Wed 6/5
16:17-23:19
1 stop6h 02m
Denver Intl
Fri 8/5
05:30-08:53
1 stop4h 23m
$367
San FranciscoDenver
SFO - DEN
SFODEN
San Francisco
Wed 15/4
14:57-23:50
1 stop7h 53m
Denver Intl
Wed 22/4
05:30-14:05
2 stops9h 35m
$462
San FranciscoDenver
SFO - DEN
SFODEN
San Francisco
Sat 9/5
06:00-13:55
2 stops6h 55m
Denver Intl
Mon 11/5
17:10-22:25
2 stops6h 15m
$466
San FranciscoDenver
SFO - DEN
SFODEN
San Francisco
Tue 9/6
05:50-13:30
2 stops6h 40m
Denver Intl
Tue 9/6
20:50-22:25
Nonstop2h 35m
$475
San FranciscoDenver
SFO - DEN
SFODEN
San Francisco
Tue 26/5
07:20-15:40
1 stop7h 20m
Denver Intl
Tue 2/6
13:15-20:05
2 stops7h 50m
$489
San FranciscoDenver
SFO - DEN
SFODEN
San Francisco
Wed 27/5
11:25-17:30
1 stop5h 05m
Denver Intl
Mon 1/6
17:10-22:25
2 stops6h 15m
$489
San FranciscoDenver
SFO - DEN
SFODEN
San Francisco
Mon 4/5
07:25-14:55
2 stops6h 30m
Denver Intl
Mon 11/5
17:10-22:25
2 stops6h 15m
$495
San FranciscoDenver
SFO - DEN
SFODEN
San Francisco
Wed 10/6
05:50-13:35
2 stops6h 45m
Denver Intl
Mon 15/6
12:35-17:55
2 stops6h 20m
$568
Flights are sorted by cheapest return flights first.
Deals found on 22/3
Showing 1-10 of 23 resultsSorted by cheapest first
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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.
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 13 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 $153). 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 24 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 24 March 2026.
The most flights from SFO to DEN are scheduled on a Tuesday (52 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (5 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 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 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 16 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 2h 35m. Southwest provides one of the quickest options available for as low as $282. 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 Air Canada (90%), Air New Zealand (89%) and Virgin Australia (89%).
What are the cheapest flights from San Francisco to Denver?
The cheapest flight price from San Francisco to Denver is $312. On average you can expect to pay $363. The most popular route, (San Francisco - Denver Intl), can usually be booked for $409.
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 $153). 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 24 March 2026.
Browse through other flights departing from San Francisco. Flights are based on user searches made on Cheapflights and were last updated on 24 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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