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Cheap flights from San Francisco to Denver from $127

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 12/5. 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

KAYAK's recommended return flight deals from the most popular airlines that fly from San Francisco to Denver.
Southwest Logo
09:00 - 12:35SFO-DEN
2h 35mdirect
Southwest Logo
10:20 - 12:05DEN-SFO
2h 45mdirect
$222Southwest
Find Deal
Sat, 10 May - Mon, 12 May
Southwest Logo
06:05 - 13:50SFO-DEN
6h 45m1 stop
Southwest Logo
19:25 - 21:05DEN-SFO
2h 40mdirect
$237Southwest
Find Deal
Mon, 12 May - Fri, 16 May
United Airlines Logo
14:37 - 18:20SFO-DEN
2h 43mdirect
United Airlines Logo
07:45 - 09:36DEN-SFO
2h 51mdirect
$327United Airlines
Find Deal
Wed, 14 May - Thu, 15 May
United Airlines Logo
16:30 - 20:09SFO-DEN
2h 39mdirect
United Airlines Logo
07:45 - 09:36DEN-SFO
2h 51mdirect
$332United Airlines
Find Deal
Tue, 6 May - Sun, 11 May
Alaska Airlines Logo
14:34 - 21:15SFO-DEN
5h 41m1 stop
Alaska Airlines Logo
08:20 - 18:26DEN-SFO
11h 06m2 stops
$368Alaska Airlines
Find Deal
Tue, 6 May - Tue, 13 May
Delta Logo
13:45 - 19:30SFO-DEN
4h 45m1 stop
Delta Logo
12:54 - 16:10DEN-SFO
4h 16m1 stop
$372Delta
Find Deal
Tue, 20 May - Thu, 29 May
Delta Logo
06:10 - 12:00SFO-DEN
4h 50m1 stop
Delta Logo
18:25 - 00:21DEN-SFO
6h 56m1 stop
$388Delta
Find Deal
Sat, 3 May - Tue, 20 May
Alaska Airlines Logo
08:39 - 18:09SFO-DEN
8h 30m2 stops
Alaska Airlines Logo
19:05 - 23:21DEN-SFO
5h 16m1 stop
$401Alaska Airlines
Find Deal
Tue, 3 Jun - Mon, 9 Jun
Hawaiian Airlines Logo
14:39 - 21:42SFO-DEN
6h 03m1 stop
Hawaiian Airlines Logo
08:00 - 13:48DEN-SFO
6h 48m1 stop
$465Hawaiian Airlines
Find Deal
Sat, 27 Sep - Tue, 30 Sep
Hawaiian Airlines Logo
11:59 - 18:37SFO-DEN
5h 38m1 stop
Hawaiian Airlines Logo
08:00 - 13:48DEN-SFO
6h 48m1 stop
$591Hawaiian Airlines
Find Deal
Thu, 25 Sep - Sun, 28 Sep

Southwest flights from San Francisco to Denver

Our best Southwest deals on San Francisco to Denver flight tickets
Southwest
10 May
SFO09:00San Francisco
2h 35m
DEN12:35Denver Intl
12 May
DEN10:20Denver Intl
2h 45m
SFO12:05San Francisco
Southwest
12 May
SFO06:05San Francisco
6h 45m
1 stop
DEN13:50Denver Intl
16 May
DEN19:25Denver Intl
2h 40m
SFO21:05San Francisco
Southwest
6 May
SFO15:45San Francisco
6h 15m
1 stop
DEN23:00Denver Intl
9 May
DEN16:55Denver Intl
6h 25m
1 stop
SFO22:20San Francisco

United Airlines flights from San Francisco to Denver

Our best United Airlines deals on San Francisco to Denver flight tickets
United Airlines
14 May
SFO14:37San Francisco
2h 43m
DEN18:20Denver Intl
15 May
DEN07:45Denver Intl
2h 51m
SFO09:36San Francisco
United Airlines
6 May
SFO16:30San Francisco
2h 39m
DEN20:09Denver Intl
11 May
DEN07:45Denver Intl
2h 51m
SFO09:36San Francisco
United Airlines
11 June
SFO05:05San Francisco
2h 36m
DEN08:41Denver Intl
16 June
DEN19:45Denver Intl
2h 45m
SFO21:30San Francisco

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, September 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 $292. If you aren’t able to travel during the month of September, then book flights to Denver from San Francisco during January instead. Flights to Denver in January, while not as cheap as those in September, still average around $300.

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

According to our data, Monday is the cheapest day to fly to Denver from San Francisco. The lowest ticket price found for a Monday departure recently was $101. 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 Friday, the most expensive travel day of the week, you can expect to see flight prices from San Francisco to Denver for around $968.

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 in the morning. momondo users have found flights departing from San Francisco to Denver in the morning for as low as $282. 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 at midday when prices are around $509.

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 4 weeks ahead of your departure date. In general, you can expect to find flights to Denver for around $336 when searching 4 weeks out.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 $255 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.

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

As of April 2025, prices for San Francisco to Denver flights are approximately 29% cheaper 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

Best price found

$127

Fastest flight time

2h 25m

Direct flights

Every day

Airports in Denver

1 airport
The best one-way flight to Denver from San Francisco in the past 72 hours is $127. The best return flight deal from San Francisco to Denver found on momondo in the last 72 hours is $222.
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)

  • 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 many operators does momondo search for flights from San Francisco Airport to Denver Intl Airport?

  • 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?

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


Best airlines flying from San Francisco to Denver

Compare and see reviews for airlines that fly from San Francisco to Denver with momondo
Airline
Rating
Free cancellation
Price
FrontierPriceFrom $101Free cancellationRating
6.0
3,281 reviews
Search Frontier flights
  • Frontier Flights From San Francisco to Denver

    Frontier operates around 9 flights from San Francisco to Denver every week. The average price of these flights found in the last 72 hours has been $74, but momondo users have found Frontier deals from San Francisco to Denver from as low as $64 round-trip. Frontier has been scored 6.0/10 in 3,281 reviews.


Travelling to a place near Denver?

Book flights to Denver if you plan to visit one of these locations
Breckenridge
Broomfield
Estes Park
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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