Cheap flights from San Francisco to Denver from $122
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 22/9. 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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Delta flights from San Francisco to Denver
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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 $293. If you aren’t able to travel during the month of January, then book flights to Denver from San Francisco during September instead. Flights to Denver in September, while not as cheap as those in January, still average around $297.
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 $99. 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 $949.
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 $303. 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 afternoon when prices are around $1,114.
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 $343 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 $263 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 many flights depart from San Francisco to Denver on average per day?
55 flights are operational daily from San Francisco to Denver as of June 2025. The most popular departure time for this route is 06:00, with 42% of flights per day taking off in the afternoon.
How many flights depart from San Francisco to Denver on average per week?
As of June 2025, there are 391 flights per week flying from San Francisco to Denver. The most common day of the week flights depart is Fri, with 16% of flights taking off on this day.
When to book flights from San Francisco to Denver
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
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?
As of June 2025, there is 1 operator available to choose from 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?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from San Francisco to Denver is Airbus A321neo (12.32% of total bookings). The next most popular plane models are Boeing 737-800 (10.72%), Boeing 737 MAX 8 (10.45%), and Boeing 737-800 Passenger/BBJ2 (winglets) (10.10%).
What is the most popular airline from San Francisco to Denver?
Based on momondo bookings for flights between San Francisco and Denver, the leading airline is Frontier, making up 100% of the total bookings.
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 | ||
|---|---|---|---|---|---|
| PriceFrom $99 | Free cancellation | Rating 5.9 3,296 reviews |
Frontier Flights From San Francisco to Denver
Frontier operates around 8 flights from San Francisco to Denver every week. The average price of these flights found in the last 72 hours has been $64, but momondo users have found Frontier deals from San Francisco to Denver from as low as $64 round-trip. Frontier has been scored 5.9/10 in 3,296 reviews.
Travelling to a place near Denver?
Book flights to Denver if you plan to visit one of these locationsWhy 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.