Cheap flights from San Francisco to Denver from $141
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 12/5. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — DEN
23 May — 30 May1
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 36 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.
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One-way
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 23 April 2026.
Wed 20/511:26
SFO
-
DEN
1 stop11h 43m
Frontier
Wed 27/514:00
DEN
-
SFO
1 stop8h 04m
Frontier
Deal found 20/4$225
Sat 6/617:25
SFO
-
DEN
1 stop6h 06m
Frontier
Sat 13/622:29
DEN
-
SFO
Nonstop2h 58m
Frontier
Deal found 22/4$248
Thu 4/617:25
SFO
-
DEN
1 stop6h 06m
Frontier
Thu 11/622:29
DEN
-
SFO
Nonstop2h 58m
Frontier
Deal found 20/4$257
Fri 12/621:43
SFO
-
DEN
Nonstop2h 51m
Frontier
Sat 27/622:29
DEN
-
SFO
Nonstop2h 58m
Frontier
Deal found 19/4$269
Wed 20/506:45
SFO
-
DEN
Nonstop2h 48m
United Airlines
Wed 27/505:20
DEN
-
SFO
Nonstop2h 38m
United Airlines
Deal found 20/4$281
Mon 29/617:16
SFO
-
DEN
1 stop6h 13m
Frontier
Fri 3/713:18
DEN
-
SFO
1 stop6h 04m
Frontier
Deal found 19/4$284
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 23 April 2026.
Thu 13/814:05
SFO
-
DEN
1 stop5h 00m
Southwest
Tue 25/809:05
DEN
-
SFO
2 stops6h 35m
Southwest
Deal found 23/4$396
Sat 13/609:46
SFO
-
DEN
1 stop4h 14m
Delta
Tue 16/619:16
DEN
-
SFO
1 stop5h 25m
Delta
Deal found 19/4$472
Wed 10/619:20
SFO
-
DEN
Nonstop2h 35m
Southwest
Mon 15/607:45
DEN
-
SFO
Nonstop2h 40m
Southwest
Deal found 23/4$404
Sat 27/613:15
SFO
-
DEN
1 stop5h 49m
Delta
Wed 1/705:40
DEN
-
SFO
1 stop7h 27m
Delta
Deal found 19/4$472
Sat 6/609:15
SFO
-
DEN
2 stops9h 50m
Southwest
Sat 13/618:55
DEN
-
SFO
1 stop5h 10m
Southwest
Deal found 22/4$459
Wed 5/807:40
SFO
-
DEN
1 stop4h 20m
Southwest
Mon 10/815:10
DEN
-
SFO
2 stops6h 20m
Southwest
Deal found 21/4$473
Thu 23/706:05
SFO
-
DEN
1 stop4h 25m
Southwest
Mon 27/706:15
DEN
-
SFO
2 stops6h 05m
Southwest
Deal found 20/4$515
Wed 6/519:15
SFO
-
DEN
Nonstop2h 35m
Southwest
Sat 9/520:10
DEN
-
SFO
Nonstop2h 45m
Southwest
Deal found 23/4$535
Thu 24/906:00
SFO
-
DEN
1 stop5h 35m
Southwest
Sun 27/909:45
DEN
-
SFO
1 stop6h 20m
Southwest
Deal found 19/4$556
Mon 15/605:00
SFO
-
DEN
2 stops6h 25m
Southwest
Mon 22/606:15
DEN
-
SFO
2 stops6h 05m
Southwest
Deal found 19/4$570
Wed 20/507:40
SFO
-
DEN
2 stops8h 30m
Southwest
Wed 27/510:10
DEN
-
SFO
2 stops6h 10m
Southwest
Deal found 20/4$578
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 23 April 2026.
Fri 12/621:43
SFO
-
DEN
Nonstop2h 51m
Frontier
Sat 27/622:29
DEN
-
SFO
Nonstop2h 58m
Frontier
Deal found 19/4$269
Wed 20/506:45
SFO
-
DEN
Nonstop2h 48m
United Airlines
Wed 27/505:20
DEN
-
SFO
Nonstop2h 38m
United Airlines
Deal found 20/4$281
Sat 6/608:56
SFO
-
DEN
Nonstop2h 54m
Frontier
Sat 13/622:29
DEN
-
SFO
Nonstop2h 58m
Frontier
Deal found 22/4$291
Mon 21/918:28
SFO
-
DEN
Nonstop2h 43m
United Airlines
Wed 23/909:35
DEN
-
SFO
Nonstop2h 47m
United Airlines
Deal found 23/4$312
Wed 27/519:15
SFO
-
DEN
Nonstop2h 35m
Southwest
Wed 3/620:25
DEN
-
SFO
Nonstop2h 45m
Southwest
Deal found 20/4$319
Mon 29/621:43
SFO
-
DEN
Nonstop2h 51m
Frontier
Fri 3/709:47
DEN
-
SFO
Nonstop2h 56m
Frontier
Deal found 19/4$333
Sat 23/506:15
SFO
-
DEN
Nonstop2h 44m
United Airlines
Mon 25/505:20
DEN
-
SFO
Nonstop2h 38m
United Airlines
Deal found 23/4$343
Wed 13/505:00
SFO
-
DEN
Nonstop2h 40m
United Airlines
Fri 15/520:57
DEN
-
SFO
Nonstop2h 52m
United Airlines
Deal found 20/4$348
Thu 4/605:00
SFO
-
DEN
Nonstop2h 35m
United Airlines
Tue 9/606:00
DEN
-
SFO
Nonstop2h 38m
United Airlines
Deal found 23/4$351
Sun 17/505:00
SFO
-
DEN
Nonstop2h 40m
United Airlines
Wed 20/505:20
DEN
-
SFO
Nonstop2h 50m
United Airlines
Deal found 19/4$360
Last-minute flights from San Francisco to Denver
Discover last-minute flight deals from San Francisco to Denver. Data last updated 23 April 2026 and is based on user searches.
Tue 28/422:38
SFO
-
DEN
1 stop12h 31m
Frontier
Sat 2/511:03
DEN
-
SFO
1 stop8h 42m
Frontier
Deal found 20/4$312
Wed 13/505:40
SFO
-
DEN
1 stop5h 05m
Delta
Wed 13/518:19
DEN
-
SFO
1 stop4h 11m
Delta
Deal found 20/4$309
Wed 13/505:00
SFO
-
DEN
Nonstop2h 40m
United Airlines
Fri 15/520:57
DEN
-
SFO
Nonstop2h 52m
United Airlines
Deal found 20/4$348
Wed 20/511:26
SFO
-
DEN
1 stop11h 43m
Frontier
Wed 27/514:00
DEN
-
SFO
1 stop8h 04m
Frontier
Deal found 20/4$225
Wed 20/506:45
SFO
-
DEN
Nonstop2h 48m
United Airlines
Wed 27/505:20
DEN
-
SFO
Nonstop2h 38m
United Airlines
Deal found 20/4$281
Sat 23/506:15
SFO
-
DEN
Nonstop2h 44m
United Airlines
Mon 25/505:20
DEN
-
SFO
Nonstop2h 38m
United Airlines
Deal found 23/4$343
Tue 26/516:55
SFO
-
DEN
1 stop5h 49m
Delta
Sat 30/507:25
DEN
-
SFO
1 stop7h 11m
Delta
Deal found 22/4$340
Tue 26/509:30
SFO
-
DEN
2 stops12h 10m
Delta
Tue 2/605:30
DEN
-
SFO
1 stop4h 23m
Delta
Deal found 22/4$354
Wed 27/519:15
SFO
-
DEN
Nonstop2h 35m
Southwest
Wed 3/620:25
DEN
-
SFO
Nonstop2h 45m
Southwest
Deal found 20/4$319
Wed 27/511:55
SFO
-
DEN
1 stop4h 40m
Delta
Fri 29/513:08
DEN
-
SFO
1 stop11h 57m
Delta
Deal found 22/4$353
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 23 April 2026.
Tue 12/505:00
SFO
-
DEN
Nonstop2h 40m
United Airlines
Deal found 21/4$141
Wed 20/521:08
SFO
-
DEN
Nonstop2h 51m
United Airlines
Deal found 19/4$153
Tue 18/816:15
SFO
-
DEN
1 stop5h 43m
Delta
Deal found 23/4$155
Wed 10/619:20
SFO
-
DEN
Nonstop2h 35m
Southwest
Deal found 20/4$160
Tue 12/519:15
SFO
-
DEN
Nonstop2h 35m
Southwest
Deal found 20/4$165
Thu 14/505:00
SFO
-
DEN
Nonstop2h 40m
United Airlines
Deal found 20/4$172
Mon 18/505:25
SFO
-
DEN
Nonstop2h 35m
Southwest
Deal found 19/4$181
Mon 14/916:15
SFO
-
DEN
1 stop5h 43m
Delta
Deal found 21/4$186
Fri 15/519:15
SFO
-
DEN
Nonstop2h 35m
Southwest
Deal found 21/4$190
Wed 16/921:05
SFO
-
DEN
Nonstop2h 46m
United Airlines
Deal found 23/4$197
Thu 10/911:15
SFO
-
DEN
Nonstop2h 40m
Southwest
Deal found 19/4$203
Sun 24/505:55
SFO
-
DEN
2 stops8h 03m
Delta
Deal found 22/4$206
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 23 April 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 23 April 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 13/8
14:05-20:05
1 stop5h 00m
Denver Intl
Tue 25/8
09:05-14:40
2 stops6h 35m
$396
Fastest return journey
San FranciscoDenver
SFO - DEN
SFODEN
San Francisco
Wed 10/6
19:20-22:55
Nonstop2h 35m
Denver Intl
Mon 15/6
07:45-09:25
Nonstop2h 40m
$404
San FranciscoDenver
SFO - DEN
SFODEN
San Francisco
Sat 6/6
09:15-20:05
2 stops9h 50m
Denver Intl
Sat 13/6
18:55-23:05
1 stop5h 10m
$459
San FranciscoDenver
SFO - DEN
SFODEN
San Francisco
Sat 13/6
09:46-15:00
1 stop4h 14m
Denver Intl
Tue 16/6
19:16-23:41
1 stop5h 25m
$472
San FranciscoDenver
SFO - DEN
SFODEN
San Francisco
Sat 27/6
13:15-20:04
1 stop5h 49m
Denver Intl
Wed 1/7
05:40-12:07
1 stop7h 27m
$472
San FranciscoDenver
SFO - DEN
SFODEN
San Francisco
Wed 5/8
07:40-13:00
1 stop4h 20m
Denver Intl
Mon 10/8
15:10-20:30
2 stops6h 20m
$473
San FranciscoDenver
SFO - DEN
SFODEN
San Francisco
Thu 23/7
06:05-11:30
1 stop4h 25m
Denver Intl
Mon 27/7
06:15-11:20
2 stops6h 05m
$515
San FranciscoDenver
SFO - DEN
SFODEN
San Francisco
Wed 6/5
19:15-22:50
Nonstop2h 35m
Denver Intl
Sat 9/5
20:10-21:55
Nonstop2h 45m
$535
San FranciscoDenver
SFO - DEN
SFODEN
San Francisco
Thu 24/9
06:00-12:35
1 stop5h 35m
Denver Intl
Sun 27/9
09:45-15:05
1 stop6h 20m
$556
San FranciscoDenver
SFO - DEN
SFODEN
San Francisco
Mon 15/6
05:00-12:25
2 stops6h 25m
Denver Intl
Mon 22/6
06:15-11:20
2 stops6h 05m
$570
Flights are sorted by cheapest return flights first.
Deals found on 23/4
Showing 1-10 of 21 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?
To ensure you get the cheapest price possible for a flight from San Francisco to Denver, you should look to book at least 35 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, October is the cheapest month in which you can book a flight from San Francisco to Denver (average of $313). Flying from San Francisco to Denver in March is currently the most expensive (average of $437). 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 23 April 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.
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 23 April 2026.
The most flights from SFO to DEN are scheduled on a Thursday (53 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (40 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 13 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 4h 14m. Southwest provides one of the quickest options available for as low as $472. 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 (88%), Air New Zealand (87%) and Virgin Australia (85%).
What are the cheapest flights from San Francisco to Denver?
The cheapest flight price from San Francisco to Denver is $110. On average you can expect to pay $196. The most popular route, (San Francisco - Denver Intl), can usually be booked for $255.
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 $313). Flying from San Francisco to Denver in March is currently the most expensive (average of $437). 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 23 April 2026.
Browse through other flights departing from San Francisco. Flights are based on user searches made on Cheapflights and were last updated on 23 April 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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