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Cheap flights from San Francisco to Denver from $106

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Francisco to Denver departing on 21/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap return flights

Southwest Logo
05:00 - 08:30SFO-DEN
2h 30mdirect
Southwest Logo
22:30 - 00:05DEN-SFO
2h 35mdirect
$235Southwest
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Thu, 16 Oct - Mon, 20 Oct
Southwest Logo
10:25 - 16:05SFO-DEN
4h 40m1 stop
Southwest Logo
22:30 - 00:05DEN-SFO
2h 35mdirect
$244Southwest
Find Deal
Tue, 7 Oct - Thu, 9 Oct
Southwest Logo
05:00 - 08:30SFO-DEN
2h 30mdirect
Southwest Logo
18:50 - 23:45DEN-SFO
5h 55m1 stop
$250Southwest
Find Deal
Thu, 16 Oct - Mon, 20 Oct
Southwest Logo
07:45 - 15:55SFO-DEN
7h 10m2 stops
Southwest Logo
16:55 - 18:35DEN-SFO
2h 40mdirect
$258Southwest
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Thu, 4 Dec - Mon, 8 Dec
United Airlines Logo
05:05 - 08:40SFO-DEN
2h 35mdirect
United Airlines Logo
06:03 - 07:45DEN-SFO
2h 42mdirect
$265United Airlines
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Sat, 18 Oct - Sun, 19 Oct
Alaska Airlines Logo
16:30 - 11:19SFO-DEN
17h 49m1 stop
Alaska Airlines Logo
19:04 - 23:33DEN-SFO
5h 29m1 stop
$283Alaska Airlines
Find Deal
Tue, 3 Mar - Wed, 4 Mar
Alaska Airlines Logo
07:00 - 23:59SFO-DEN
15h 59m1 stop
Alaska Airlines Logo
18:59 - 23:48DEN-SFO
5h 49m1 stop
$288Alaska Airlines
Find Deal
Tue, 2 Dec - Fri, 5 Dec
United Airlines Logo
05:05 - 08:40SFO-DEN
2h 35mdirect
United Airlines Logo
06:03 - 07:45DEN-SFO
2h 42mdirect
$294United Airlines
Find Deal
Thu, 16 Oct - Sun, 19 Oct
Delta Logo
05:50 - 11:48SFO-DEN
4h 58m1 stop
Delta Logo
18:23 - 22:16DEN-SFO
4h 53m1 stop
$325Delta
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Sat, 25 Oct - Sat, 25 Oct
Delta Logo
06:10 - 22:16SFO-DEN
15h 06m1 stop
Delta Logo
07:05 - 12:40DEN-SFO
6h 35m1 stop
$330Delta
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Tue, 30 Dec - Tue, 6 Jan

Alaska Airlines flights from San Francisco to Denver

Our best Alaska Airlines deals on San Francisco to Denver flight tickets
Alaska Airlines
3 Mar
SFO16:30San Francisco
17h 49m
1 stop
DEN11:19Denver Intl
4 Mar
DEN19:04Denver Intl
5h 29m
1 stop
SFO23:33San Francisco
$283
Find similar
Alaska Airlines
2 Dec
SFO07:00San Francisco
15h 59m
1 stop
DEN23:59Denver Intl
5 Dec
DEN18:59Denver Intl
5h 49m
1 stop
SFO23:48San Francisco
$288
Find similar
Alaska Airlines
17 Dec
SFO07:00San Francisco
11h 24m
1 stop
DEN19:24Denver Intl
22 Dec
DEN19:11Denver Intl
5h 38m
1 stop
SFO23:49San Francisco
$316
Find similar

Delta flights from San Francisco to Denver

Our best Delta deals on San Francisco to Denver flight tickets
Delta
25 Oct
SFO05:50San Francisco
4h 58m
1 stop
DEN11:48Denver Intl
25 Oct
DEN18:23Denver Intl
4h 53m
1 stop
SFO22:16San Francisco
$325
Find similar
Delta
30 Dec
SFO06:10San Francisco
15h 06m
1 stop
DEN22:16Denver Intl
6 Jan
DEN07:05Denver Intl
6h 35m
1 stop
SFO12:40San Francisco
$330
Find similar
Delta
15 Oct
SFO12:35San Francisco
4h 49m
1 stop
DEN18:24Denver Intl
19 Oct
DEN06:25Denver Intl
7h 18m
1 stop
SFO12:43San Francisco
$342
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momondo Fare Finder

 
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, momondo users made 78,305 searches. Data last updated 18 September 2025.
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

San FranciscoDenver

SFO - DEN

SFODEN

San Francisco

Thu 16/10

05:00-08:30

Nonstop2h 30m

Denver Intl

Mon 20/10

22:30-00:05

Nonstop2h 35m

$235

San FranciscoDenver

SFO - DEN

SFODEN

San Francisco

Tue 7/10

10:25-16:05

1 stop4h 40m

Denver Intl

Thu 9/10

22:30-00:05

Nonstop2h 35m

$244

San FranciscoDenver

SFO - DEN

SFODEN

San Francisco

Thu 16/10

05:00-08:30

Nonstop2h 30m

Denver Intl

Mon 20/10

18:50-23:45

1 stop5h 55m

$250

San FranciscoDenver

SFO - DEN

SFODEN

San Francisco

Thu 4/12

07:45-15:55

2 stops7h 10m

Denver Intl

Mon 8/12

16:55-18:35

Nonstop2h 40m

$258

San FranciscoDenver

SFO - DEN

SFODEN

San Francisco

Sat 18/10

05:05-08:40

Nonstop2h 35m

Denver Intl

Sun 19/10

06:03-07:45

Nonstop2h 42m

$265

San FranciscoDenver

SFO - DEN

SFODEN

San Francisco

Tue 3/3

16:30-11:19

1 stop17h 49m

Denver Intl

Wed 4/3

19:04-23:33

1 stop5h 29m

$283

San FranciscoDenver

SFO - DEN

SFODEN

San Francisco

Tue 2/12

07:00-23:59

1 stop15h 59m

Denver Intl

Fri 5/12

18:59-23:48

1 stop5h 49m

$288

San FranciscoDenver

SFO - DEN

SFODEN

San Francisco

Thu 16/10

05:05-08:40

Nonstop2h 35m

Denver Intl

Sun 19/10

06:03-07:45

Nonstop2h 42m

$294

San FranciscoDenver

SFO - DEN

SFODEN

San Francisco

Sat 25/10

05:50-11:48

1 stop4h 58m

Denver Intl

Sat 25/10

18:23-22:16

1 stop4h 53m

$325

San FranciscoDenver

SFO - DEN

SFODEN

San Francisco

Tue 30/12

06:10-22:16

1 stop15h 06m

Denver Intl

Tue 6/1

07:05-12:40

1 stop6h 35m

$330

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Denver from

How to get the cheapest flight ticket from San Francisco to Denver

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Denver?

In general, January is the cheapest month to fly from San Francisco to Denver. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $288. If you aren’t able to travel during the month of January, then book flights to Denver from San Francisco during October instead. Flights to Denver in October, while not as cheap as those in January, still average around $292.

What is the cheapest day to depart on your flight to Denver?

According to our data, Sunday is the cheapest day to fly to Denver from San Francisco. The lowest ticket price found for a Sunday departure recently was $111. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from San Francisco to Denver for around $978.

What is the cheapest time of day to depart on your flight to Denver?

According to our data, the cheapest time of day to fly to Denver is at midday. momondo users have found flights departing from San Francisco to Denver at midday for as low as $415. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In contrast, the most expensive time of day to depart to Denver is in the morning when prices are around $641.

What is the cheapest San Francisco to Denver Intl flight route?

Fly from San Francisco to Denver Intl for the best San Francisco - Denver Intl flight prices

How far in advance should I book a flight to Denver?

You are more likely to see cheaper flights to Denver from San Francisco when booking weeks ahead of your departure date. In general, you can expect to find flights to Denver for around $344 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Denver from San Francisco for as low as $268 on momondo.

What cabin class options are available on San Francisco to Denver Intl flights?

There are 3 cabin classes available to choose from on San Francisco to Denver Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on San Francisco to Denver flights?

No. A direct flight is the cheapest option for a flight between San Francisco to Denver.

How have San Francisco to Denver flight prices changed over time?

As of September 2025, prices for San Francisco to Denver flights are approximately 57% more expensive when compared to flights at the same time last year.

When to book flights from San Francisco to Denver

Are you open to changing your travel dates? Check out the ideal times to fly from San Francisco to Denver according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap San Francisco to Denver (SFO to DEN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Francisco to Denver

Fastest flight time

2h 25m

Direct flights

Every day

Airports in Denver

1 airport
The fastest flight from San Francisco to Denver takes 2h 25m
Direct flights go from San Francisco to Denver every day.
There is 1 airport near Denver: Denver Intl (DEN)
Search flight deals

  • How far is San Francisco to Denver Intl by plane?

    San Francisco and Denver Intl are 1522.9 km apart from one another. By plane, this route typically takes 2h 25m.

  • When did momondo last update prices for flights from San Francisco Airport to Denver Intl Airport?

    Prices for flights from San Francisco Airport to Denver Intl Airport were last updated today.

  • How old do you have to be to fly from San Francisco Airport to Denver Intl Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from San Francisco Airport to Denver Intl Airport.

  • What documentation or ID do you need to fly to Denver Intl Airport?

    The travel and health documents required for your trip to Denver Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Denver Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from San Francisco to Denver?

Travelling to a place near Denver?

Book flights to Denver if you plan to visit one of these locations
Breckenridge
Boulder
Keystone

Why use momondo?

Why should I use momondo to find a flight deal from San Francisco to Denver?

It is quick and easy to find San Francisco to Denver flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Denver that suits you.

Can I find flights from San Francisco to Denver with flexible booking policies on momondo?

All flight searches from San Francisco to Denver on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from San Francisco to Denver?

momondo provides multiple filters to help you find the best flight to Denver from San Francisco. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from San Francisco to Denver right now. Can momondo alert me if prices change?

Yes. momondo can track prices for San Francisco to Denver flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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