Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from San Francisco to Denver from £70

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 19/2. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — DEN
27 Dec — 3 Jan1
1 adult

The best prices from San Francisco to Denver Intl are usually found in January or April, booked 89 days in advance, depart on a Monday or Tuesday and return on a Tuesday

Cheap 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 22 December 2024.

Round-trip from

£142

One-way from

£70

Popular in

December

Cheapest in

January

Average price

£222
Southwest
  • Southwest
  • 25/1-26/1
  • Nonstop
  • 5h 20m total
  • San Francisco to Denver
Alaska Airlines
  • Alaska Airlines
  • 19/2
  • 1 total stop
  • 7h 46m total
  • San Francisco to Denver
High demand for flights, 7% potential price rise
Best time to find cheap flights, 3% potential price drop
Average for round-trip flights in December 2024

Find flight deals from San Francisco to Denver

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 22 December 2024.

Wed 25/1210:50SFO - DEN
1 stop4h 39mUnited Airlines
Wed 25/1219:37DEN - SFO
Nonstop2h 51mUnited Airlines
Deal found 22/12£257
Tue 31/1217:00SFO - DEN
2 stops15h 41mAlaska Airlines
Fri 2/512:35DEN - SFO
1 stop7h 43mAlaska Airlines
Deal found 21/12£340
Fri 27/1206:00SFO - DEN
1 stop15h 17mDelta
Sat 28/1206:15DEN - SFO
1 stop14h 47mDelta
Deal found 20/12£449
Mon 30/1205:40SFO - DEN
2 stops6h 35mSouthwest
Fri 3/107:10DEN - SFO
1 stop6h 20mSouthwest
Deal found 21/12£457
Tue 24/1223:50SFO - DEN
1 stop12h 09mJetBlue
Fri 27/1200:44DEN - SFO
1 stop13h 33mJetBlue
Deal found 21/12£894

Find flights from San Francisco to Denver within your budget

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 858,174 searches. Data last updated 22 December 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

San FranciscoDenver

SFO - DEN

SFODEN

San Francisco

Sat 25/1

06:55-10:25

Nonstop2h 30m

Denver Intl

Sun 26/1

09:45-11:35

Nonstop2h 50m

£142

San FranciscoDenver

SFO - DEN

SFODEN

San Francisco

Wed 22/1

16:48-23:29

1 stop5h 41m

Denver Intl

Sun 26/1

07:00-20:48

2 stops14h 48m

£170

San FranciscoDenver

SFO - DEN

SFODEN

San Francisco

Wed 15/1

15:40-23:00

1 stop6h 20m

Denver Intl

Tue 21/1

18:05-00:14

1 stop7h 09m

£172

San FranciscoDenver

SFO - DEN

SFODEN

San Francisco

Fri 2/5

21:29-08:53

1 stop10h 24m

Denver Intl

Sat 3/5

11:33-13:24

Nonstop2h 51m

£190

San FranciscoDenver

SFO - DEN

SFODEN

San Francisco

Wed 19/2

14:43-23:29

1 stop7h 46m

£70

San FranciscoDenver

SFO - DEN

SFODEN

San Francisco

Wed 19/2

11:05-16:45

1 stop4h 40m

£75

San FranciscoDenver

SFO - DEN

SFODEN

San Francisco

Tue 18/2

09:00-14:41

1 stop4h 41m

£78

San FranciscoDenver

SFO - DEN

SFODEN

San Francisco

Wed 15/1

05:30-11:37

1 stop5h 07m

£86

San FranciscoDenver

SFO - DEN

SFODEN

San Francisco

Sat 22/3

15:45-17:40

2 stops48h 55m

£1,322

Flights are sorted by cheapest return flights first.

Deals found on 21/12

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.
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.

Travel insights for flights from San Francisco to Denver

Get recent, data-driven insights about flights from San Francisco to Denver including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from San Francisco to Denver?

Use this chart to determine the optimal time to book a return flight from San Francisco to Denver. Price data was last updated on 20 December 2024.

The price you pay for your flight from San Francisco to Denver may vary depending on when you book. For the best chance of a lower fare, look to book 89 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from San Francisco to Denver?

Currently, January is the cheapest month in which you can book a flight from San Francisco to Denver (average of £667). Flying from San Francisco to Denver in July is currently the most expensive (average of £1,030). 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 22 December 2024.

When flying from San Francisco to Denver, the time of day you fly usually plays a role in the price. Save by searching for a flight at midday, which can drop the price by up to 66% versus a flight in the morning.

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 22 December 2024.

The most flights from SFO to DEN are scheduled on a Saturday (56 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (16 on average).

Rainfall in Denver by month

Plan your trip to Denver by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Denver ranges from 13.0 - 58.0 inches per month. May is typically the wettest month, when rainfall can reach 58.0 mm. January is typically the driest time to visit Denver when rainfall is around 13.0 mm.

Temperature in Denver by month

Plan your trip to Denver by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Denver, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -1.0 C).

Reviews of airlines servicing Denver

Get insights into the airlines that provide service to Denver. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Denver. Reviews last updated 22 December 2024.
To help decide which airline to fly from San Francisco to Denver, see what other customers have to say about Southwest, Alaska Airlines and Delta. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.1
Very Good
4,804 reviews

Food

7.2

Boarding

8.2

Comfort

8.1

Overall

8.1

Crew

8.7

Entertainment

7.7

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

8.1
Very Good
4,804 reviews
8.1
Very Good
4,804 reviews

Food

7.2

Boarding

8.2

Comfort

8.1

Overall

8.1

Crew

8.7

Entertainment

7.7

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

8.0
Very Good
9,537 reviews
8.1
Very Good
4,804 reviews

Food

7.2

Boarding

8.2

Comfort

8.1

Overall

8.1

Crew

8.7

Entertainment

7.7

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

8.0
Very Good
8,594 reviews
8.1
Very Good
4,804 reviews

Food

7.2

Boarding

8.2

Comfort

8.1

Overall

8.1

Crew

8.7

Entertainment

7.7

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

7.5
Good
3,789 reviews
8.1
Very Good
4,804 reviews

Food

7.2

Boarding

8.2

Comfort

8.1

Overall

8.1

Crew

8.7

Entertainment

7.7

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

7.4
Good
9,028 reviews
8.1
Very Good
4,804 reviews

Food

7.2

Boarding

8.2

Comfort

8.1

Overall

8.1

Crew

8.7

Entertainment

7.7

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

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.
  • What airports do I use to fly from San Francisco to Denver?

    If you book a flight from San Francisco to Denver, you will be flying from San Francisco to Denver Intl. Flights to Denver Intl (DEN) from San Francisco (SFO) take 2h 42m for a nonstop flight. There are 35 flights from San Francisco to Denver per day from 1 airline.

  • How popular is this San Francisco to Denver flight route?

  • What are the cheapest airlines flying from San Francisco to Denver round-trip?

    Flying on Southwest is currently your cheapest option to Denver, with prices starting at £142. Additional return tickets that might be worth considering are offered by Alaska Airlines and Delta, with the lowest prices starting at £170 and £172, respectively. You may be able to fly from San Francisco to Denver for 15% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from San Francisco to Denver one-way?

    The cheapet airlines for a one-way flight from San Francisco to Denver are Alaska Airlines (£70), Southwest (£75), and United Airlines (£78).

  • What are the most reliable airlines from San Francisco to Denver?

    Before booking your flight to Denver from San Francisco, check out the most reliable airlines to get you to your destination on time: Virgin Australia (85%), United Airlines (85%), Frontier( 84%).

  • What are the cheapest flights from San Francisco to Denver?

    Looking at all options, your cheapest flight can be booked for £81. While the most popular route (San Francisco - Denver Intl) can be booked for £154 on average our data indicates £339 when flying from San Francisco to Denver.

  • Can I find deals for flights from San Francisco to Denver that include hotel bookings?

    Yes. In addition to deals on San Francisco to Denver flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from San Francisco to Denver?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Francisco to Denver.

  • 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, January is the cheapest month in which you can book a flight from San Francisco to Denver (average of £667). Flying from San Francisco to Denver in July is currently the most expensive (average of £1,030). 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for San Francisco to Denver

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from San Francisco to Denver

Discover the top airline that operate flights from San Francisco to Denver. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 22 December 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest£70Average£103FlexibilityNo cancel feeOn-time62%
Search Frontier flights

Fly with Cheapflights

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 goes through 900+ travel sites to look for the best flight deals for flights from San Francisco to Denver. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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?

Yes! Cheapflights helps users easily find flights from San Francisco to Denver with no change fees.

Can Cheapflights notify me if prices for flights from San Francisco to Denver become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Denver from San Francisco today and book when prices fit your budget.

100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.