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Cheap flights from San Francisco to Denver from $113

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 15/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

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Find the cheapest flights from San Francisco to Denver

Cheap return flights

KAYAK's recommended return flight deals from the most popular airlines that fly from San Francisco to Denver.
19:55 - 23:25SFO-DEN
2h 30mdirect
06:50 - 10:50DEN-SFO
5h 00m1 stop
$240Southwest
Find Deal
Thu, 1 May - Thu, 8 May
19:55 - 23:25SFO-DEN
2h 30mdirect
06:00 - 14:20DEN-SFO
9h 20m2 stops
$248Southwest
Find Deal
Thu, 8 May - Sat, 10 May
05:40 - 12:50SFO-DEN
6h 10m1 stop
06:50 - 10:50DEN-SFO
5h 00m1 stop
$256Southwest
Find Deal
Thu, 1 May - Thu, 8 May
05:10 - 12:30SFO-DEN
6h 20m1 stop
06:00 - 14:20DEN-SFO
9h 20m2 stops
$264Southwest
Find Deal
Thu, 8 May - Sat, 10 May
12:05 - 21:15SFO-DEN
8h 10m1 stop
18:37 - 09:32DEN-SFO
15h 55m1 stop
$313Alaska Airlines
Find Deal
Wed, 30 Apr - Tue, 6 May
05:00 - 08:38SFO-DEN
2h 38mdirect
05:20 - 07:10DEN-SFO
2h 50mdirect
$319United Airlines
Find Deal
Thu, 15 May - Sun, 18 May
05:55 - 12:56SFO-DEN
6h 01m1 stop
07:05 - 12:45DEN-SFO
6h 40m1 stop
$345Delta
Find Deal
Fri, 18 Apr - Sun, 20 Apr
05:00 - 08:38SFO-DEN
2h 38mdirect
19:25 - 23:02DEN-SFO
4h 37m1 stop
$348United Airlines
Find Deal
Wed, 21 May - Thu, 22 May
14:30 - 23:59SFO-DEN
8h 29m1 stop
08:20 - 18:26DEN-SFO
11h 06m2 stops
$358Alaska Airlines
Find Deal
Wed, 30 Apr - Tue, 6 May
05:55 - 12:56SFO-DEN
6h 01m1 stop
07:05 - 12:45DEN-SFO
6h 40m1 stop
$361Delta
Find Deal
Thu, 1 May - Sun, 4 May

United Airlines flights from San Francisco to Denver

Our best United Airlines deals on San Francisco to Denver flight tickets
United Airlines
15 May
SFO05:00San Francisco
2h 38m
DEN08:38Denver Intl
18 May
DEN05:20Denver Intl
2h 50m
SFO07:10San Francisco
United Airlines
21 May
SFO05:00San Francisco
2h 38m
DEN08:38Denver Intl
22 May
DEN19:25Denver Intl
4h 37m
1 stop
SFO23:02San Francisco
United Airlines
17 May
SFO06:00San Francisco
5h 16m
1 stop
DEN12:16Denver Intl
18 May
DEN05:20Denver Intl
2h 50m
SFO07:10San Francisco

Delta flights from San Francisco to Denver

Our best Delta deals on San Francisco to Denver flight tickets
Delta
18 Apr
SFO05:55San Francisco
6h 01m
1 stop
DEN12:56Denver Intl
20 Apr
DEN07:05Denver Intl
6h 40m
1 stop
SFO12:45San Francisco
Delta
1 May
SFO05:55San Francisco
6h 01m
1 stop
DEN12:56Denver Intl
4 May
DEN07:05Denver Intl
6h 40m
1 stop
SFO12:45San Francisco
Delta
7 June
SFO13:45San Francisco
4h 45m
1 stop
DEN19:30Denver Intl
9 June
DEN18:25Denver Intl
4h 29m
1 stop
SFO21:54San 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 $296. 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 $304.

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 $102. 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 $979.

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 $285. 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 $515.

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 $340 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 $256 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 March 2025, prices for San Francisco to Denver flights are approximately 21% 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

$113

Fastest flight time

2h 30m

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 $113. The best return flight deal from San Francisco to Denver found on momondo in the last 72 hours is $240.
The fastest flight from San Francisco to Denver takes 2h 30m
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 30m.

  • 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 $102Free cancellationRating
6.0
3,273 reviews
Search Frontier flights
  • Frontier Flights From San Francisco to Denver

    Frontier operates around 7 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 3,273 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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