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Estes Park

$73+ Cheap flights from San Francisco (SFO) to Estes Park, CO

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 8/5. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — DEN
Jul 5 — Jul 121
Sat 7/5
Sat 7/12
1 adult, Economy
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Cheapflights Tip: The best prices from San Francisco to Estes Park are usually found in January or September, booked 24 days in advance, depart on a Friday or Saturday and return on a Thursday

Cheap flight deals from San Francisco to Estes Park

Keep the following information in mind while searching for San Francisco to Estes Park flight deals. Data was last updated June 30, 2025.

Round-trip from

$143
(CheapOair)

One-way from

$73
(CheapOair)

Popular in

June

Cheapest in

January

Average price

$277
From San Francisco to Estes Park
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One-way flight from San Francisco to Estes Park
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Highest demand for flights based on searches. 11% potential increase in price ($28 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from San Francisco to Estes Park

Cheapest flights from San Francisco to Estes Park
Explore the most affordable flight options available from San Francisco to Estes Park. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 30, 2025.

This Kiwi.com deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/246:37 amSFO - DEN
Nonstop2h 40mFrontier
Mon 7/287:53 amDEN - SFO
1 stop16h 21mFrontier
Deal found 6/30$143

Cheapflights Fare Finder

Customize your flight search to find flights from San Francisco to Estes Park 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 2,558,603 searches. Data last updated June 30, 2025.
Use the filters below to find and compare flights from San Francisco to Estes Park that are best for you.

Fly from

San Francisco

Fly to

Estes Park

Route

Depart

Return

Price

San FranciscoDenver

SFO - DEN

SFODEN

San Francisco

Thu 7/24

6:37 am-10:17 am

Nonstop2h 40m

Denver Intl

Mon 7/28

7:53 am-11:14 pm

1 stop16h 21m

$143

San FranciscoDenver

SFO - DEN

SFODEN

San Francisco

Tue 8/5

4:31 pm-3:49 pm

1 stop22h 18m

$73

San FranciscoDenver

SFO - DEN

SFODEN

San Francisco

Sat 8/2

3:11 pm-9:42 pm

1 stop5h 31m

$99

San FranciscoDenver

SFO - DEN

SFODEN

San Francisco

Tue 8/12

10:00 am-11:59 pm

2 stops12h 59m

$117

San FranciscoDenver

SFO - DEN

SFODEN

San Francisco

Sat 7/19

5:30 am-11:58 am

1 stop5h 28m

$119

San FranciscoDenver

SFO - DEN

SFODEN

San Francisco

Sat 8/30

5:00 am-2:05 pm

2 stops8h 05m

$128

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/28

Best time to book a flight from San Francisco to Estes Park

Have a flexible travel schedule? Discover the best time to fly to Estes Park from San Francisco with our price prediction graph.
Estimated round-trip 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.

Cheapflights Insights

Everything you need to know about your flight from San Francisco to Estes Park

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

Use this chart to determine the optimal time to book a round-trip flight from San Francisco to Estes Park. Price data was last updated on June 27, 2025.

The best time to book flights from San Francisco to Estes Park is 24 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, October is the cheapest month in which you can book a flight from San Francisco to Estes Park (average of $197). Flying from San Francisco to Estes Park in March is currently the most expensive (average of $278). 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 ES9?

Find hourly flight availability from San Francisco to Estes Park. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 30, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from San Francisco to Estes Park as you normally would.

What is the cheapest day to fly from San Francisco to Estes Park?

Use this chart to determine the cheapest time to fly round-trip from San Francisco to Estes Park. Price data was last updated on October 6, 2024.

Travelers seeking maximum savings on their San Francisco to Estes Park flight should consider departing on Thursday evenings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from San Francisco to Estes Park

Explore weekly flight availability from San Francisco to Estes Park. 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 June 30, 2025.

The most flights from SFO to ES9 are scheduled on a Monday (59 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (29 on average).

How much does it cost to fly round-trip from San Francisco to Estes Park?

Reviews of airlines servicing Estes Park

Get insights into the airlines that provide service to Estes Park. 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 Estes Park. Reviews last updated June 30, 2025.
See what other customers who have flown with Alaska Airlines, Southwest, and Delta from San Francisco to Estes Park have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Entertainment

7.1

Crew

8.5

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Entertainment

7.1

Crew

8.5

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,278 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Entertainment

7.1

Crew

8.5

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,973 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Entertainment

7.1

Crew

8.5

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.8
Good
2,529 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Entertainment

7.1

Crew

8.5

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,852 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Entertainment

7.1

Crew

8.5

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

Find useful and relevant information for your journey from San Francisco to Estes Park. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from San Francisco to Estes Park?

    San Francisco (SFO) is the airport you will fly out of if you book a flight from San Francisco to Estes Park. You should not have trouble finding flights to Estes Park from San Francisco; the airport handles an average of 42 outbound flights to Estes Park per day. You should also have plenty of airline options to choose from since 7 airlines have flights from the San Francisco airport to Estes Park. It is only a 11.8 mi journey to San Francisco (SFO) from San Francisco’s city center.

  • How popular is this San Francisco to Estes Park flight route?

    This flight path from San Francisco to Estes Park was viewed by 274 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

    The cheapest airlines for a one-way flight from San Francisco to Estes Park are Frontier ($73), Hawaiian Airlines ($88), and American Airlines ($99).

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

    Before booking your flight to Estes Park from San Francisco, check out the most reliable airlines to get you to your destination on time: Asiana Airlines (81%), Air Canada (80%), Virgin Australia( 80%).

  • What are the cheapest flights from San Francisco to Estes Park?

    While on average a flight from San Francisco to Estes Park is generally $866, our data shows the cheapest flight currently is $94. When looking at the most popular route, (San Francisco - Denver Intl), you can expect to pay $83 for that flight.

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

    Yes. In addition to deals on San Francisco to Estes Park flights, Cheapflights offers vacation packages that include both flights and hotel.

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

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

  • Can I find deals for business class flights from San Francisco to Estes Park?

    Yes. Cheapflights offers flight deals from San Francisco to Estes Park 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 Estes Park?

    Currently, October is the cheapest month in which you can book a flight from San Francisco to Estes Park (average of $197). Flying from San Francisco to Estes Park in March is currently the most expensive (average of $278). 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.

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Top 7 airlines flying from San Francisco to Estes Park

Discover the top 7 airlines that operate flights from San Francisco to Estes Park. 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 2,558,603 searches. Data last updated June 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$59Average$166FlexibilityNo cancel feeOn-time62%
Allegiant AirCheapest$87Average$96FlexibilityNo cancel feeOn-time88%
Alaska AirlinesCheapest$116Average$264FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$157Average$277FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$158Average$422FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$187Average$339FlexibilityNo cancel feeOn-time71%
DeltaCheapest$196Average$276FlexibilityNo cancel feeOn-timeN/A

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