Boulder, CO WBU to San Francisco, CA SFO Flights

Sat, Apr 18
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2,000+ travel companies
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Journey information

Overview: Boulder, CO to San Francisco, CA flight

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Flights from Boulder, CO to San Francisco, CA depart on average 97 times per day, taking around 6h 49m. Cheap flight tickets for this journey start at $90 (€72) if you book in advance.

There are 11 flights per day. The earliest flight runs at 00:05, the last at 23:58. The fastest flight covers the 933 miles (1502 km) distance in 2h 59m. September is the cheapest month to fly.

Fares are the lowest economy prices found on Omio. Early booking often means lower prices. Prices change daily and are subject to availability. Discount cards, coach trips, and booking fees are not included.
Price information
Distance
933 miles (1502 km)
Average flight duration
6h 49m
Cheapest ticket price
$90 (€72)
Flights per day
97
Direct flights
11
Fastest flight
2h 59m
First flight
12:05 AM
Last flight
11:58 PM
Cheapest Month
Sep
Cheapest Day
Sat
High Season
Jan - Mar
Low Season
Jul - Sep
Fares are the lowest economy prices found on Omio. Early booking often means lower prices. Prices change daily and are subject to availability. Discount cards, coach trips, and booking fees are not included.
Price information

The cheapest and fastest flights from Boulder, CO to San Francisco, CA

Showing times and prices for Apr 19

Cheapest price

$202

Average price

$202

Fastest journey

9 h 4 m

Average duration

9 h 4 m

Flights per day

1

Distance

1502 km

Cheap tickets

The best way to find a cheap flight ticket from Boulder, CO to San Francisco, CA is to book your journey as far in advance as possible and to avoid traveling at rush hour.

The average ticket from Boulder, CO to San Francisco, CA will cost around $202 if you buy it on the day, but the cheapest tickets can be found for only $202.

Fast flights

Of the 1 flights that leave Boulder, CO for San Francisco, CA onSun, Apr 19, 1 travel direct so it’s quite easy to avoid journeys where you’ll have to change along the way.

On Sun, Apr 19 the direct flights cover the 1502 km distance in an average of 9 h 4 m but if you time it right, some flights will get you there in just 9 h 4 m .

On Sun, Apr 19 the longest flights will take 9 h 4 m and usually involve a change or two along the way, but you might be able to save a few pennies if you’re on a budget.

  • Frontier Airlines
    2:00 PM9h04
    Boulder, CO
    11:04 PMSan Francisco, CA
    $2021One-way
    0 transfers

Travel Information

Compare bus, train, and flight for Boulder, CO to San Francisco, CA

Omio recommends booking the flight as it is the most popular option from Boulder, CO to San Francisco, CA among Omio's users. If you are prioritising price take the flight with prices starting from $90. For those with little time consider booking a flight which can get you there in 6h 49m. The ticket price range depends on the travel mode: a flight costs an average of $90, and a train costs an average of $350.

Distance: 933 miles (1502 km)

Compare flight with

Most popular
Flight
Train

$141

Average price

Cheapest

$676

Average price

9h 49m

Average total duration

Fastest

6h 49m

Onboard

+

3h 0m

Additional time*

33h 41m

Average total duration

33h 11m

Onboard

+

30m

Additional time*

Direct Options

Direct Options

Live departures

Boulder, CO to San Francisco, CA flight times

The table below shows live departures for Boulder, CO to San Francisco, CA flights for today, Saturday, April 18. You can also manually refresh the results below to see updated flight journeys.

Last updated at
ProviderDepartsDurationArrivesTransfers
Tickets
frontier_airlines5:29 AM Boulder, CO
2h55
8:24 AM San Francisco, CA0 transfersDirect

This is the last flight of the day.

Find all the dates and times for this journey

Compare prices and tickets Boulder, CO to San Francisco, CA by bus, train, or flight

Compare bus, train, and flight prices over the next three weeks. See the best deals at a glance, find the lowest fares, and choose the option that fits your budget.

Sun
Apr 19
Mon
Apr 20
Tue
Apr 21
Wed
Apr 22
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Apr 23
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Apr 25

FAQs: Boulder, CO to San Francisco, CA Flight

Find answers to the most common questions about traveling from Boulder, CO to San Francisco, CA by flight. From journey times and ticket prices to direct connections, first and last departures, and even whether the route is scenic, our FAQs cover everything you need to plan your trip. Whether you’re looking for the fastest flight, the cheapest option, or tips for making the most of your visit at San Francisco, CA, this guide helps you travel smarter and with confidence.

FAQs
Cheap plane tickets from Boulder, CO to San Francisco, CA can start from as little as $90 (€72) when you book in advance. The average flight ticket price for Boulder, CO to San Francisco, CA is $141 (€112) ; however, prices vary depending on the time of day and class and they tend to be more expensive on the day.
The average journey time by plane from Boulder, CO to San Francisco, CA is 2h 59m to travel the 933 miles (1502 km) long route. Journey times can vary on weekends and holidays, so use our Journey Planner to search for a specific date.
The earliest flight from Boulder, CO to San Francisco, CA leaves at 12:05 AM. Plan your trip with the Journey Planner from Omio.
The latest flight from Boulder, CO to San Francisco, CA leaves at 11:58 PM.
Flights from Boulder, CO to San Francisco, CA generally leave from Denver International Airport and arrive in San Francisco International Airport.Denver International Airport is 11 miles (18 km) away from Boulder, CO city centre and San Francisco International Airport is 0 miles (1 km) from San Francisco, CA city centre.
The cheapest month for a flight from Boulder, CO to San Francisco, CA is September.
It's helpful to compare your options as there are 3 ways to travel between Boulder, CO and San Francisco, CA including taking a bus, train, and flight.
Since neither Boulder, CO nor San Francisco, CA are in the Schengen Area, passport requirements depend on the specific immigration rules of United States and United States. Entry and visa requirements can be subject to change. For the latest information, check with your destination's embassy or consulate.
There is a time difference of 1 h between Boulder, CO and San Francisco, CA all year round.
The best events to attend in San Francisco, CA include:
  • Fleet Week, a maritime celebration featuring the Blue Angels and naval ship tours
  • Outside Lands, a major music festival showcasing top artists and local food
  • Chinese New Year Parade, the largest Lunar New Year celebration outside Asia with colorful floats and performances
  • Hardly Strictly Bluegrass, a free music festival in Golden Gate Park featuring a diverse lineup of bluegrass and folk artists.
Some of the most interesting sights to explore in San Francisco, CA are:
  • Golden Gate Bridge, an iconic suspension bridge offering panoramic views of the San Francisco Bay
  • Alcatraz Island, a historic site featuring the infamous former prison and informative audio tours
  • Fisherman's Wharf, a bustling waterfront area known for seafood, shops, and sea lions
  • Golden Gate Park, a large urban park with gardens, museums, and recreational activities
  • Chinatown, the oldest and one of the largest Chinatowns in North America, offering vibrant culture and cuisine.
The best holidays to experience in San Francisco, CA include:
  • Thanksgiving, mild weather and a festive atmosphere with family gatherings
  • Christmas, beautiful decorations and holiday spirit throughout the city
  • Memorial Day, the start of summer with outdoor activities and parades
  • Labor Day, a long weekend perfect for enjoying the city's parks and beaches.
The best things to do in San Francisco, CA include:
  • Ride a cable car through the steep streets of San Francisco for a classic city experience
  • Explore the vibrant murals and street art in the Mission District
  • Visit the Exploratorium, an interactive science museum perfect for all ages
  • Take a scenic walk along the Embarcadero, offering views of the Bay Bridge and access to the Ferry Building Marketplace
  • Enjoy a wine tasting tour in nearby Napa Valley, a short drive from the city.
The best season to visit San Francisco, CA is Spring or Fall. The best weather to explore San Francisco, CA is during April-June or September-November.
For domestic flights we recommend to arrive 1.5 to 2 hours before departure. Please check the website of your departure airport if in doubt. Some airports may offer booking time slots for security checks or offer additional information on when to get there based on time of day.
Most airlines permit carry-on bags that fit within specific dimensions (e.g., 22 x 14 x 9 inches or 56 x 36 x 23 cm), including handles and wheels. Bags must fit in the overhead bin or under the seat in front of you.
Many airlines impose weight limits, commonly ranging between 7 kg (15 lbs) and 12 kg (26 lbs). Typically, passengers are allowed one carry-on bag and one personal item (for example a purse, laptop bag, or backpack). Personal items must fit under the seat in front of you. Budget Airlines (like Ryanair or Wizz Air) have stricter size and weight limits, often requiring fees for larger carry-ons. Full-Service Airlines have more lenient policies, sometimes including more spacious dimensions or higher weight limits depending on your ticket class.
The list of items prohibited on an airplane varies by country and airline, but in general, the following items are not allowed in carry-on or checked baggage: Weapons and self-defence items, sharp objects, flammable materials, explosives, toxic substances, or liquids over 100ml (except for medications and baby essentials). In checked baggage, firearms (without authorization), explosives, large lithium batteries, and hazardous chemicals are prohibited. Electronic cigarettes must be in carry-on bags, while alcohol and dry ice have restrictions. Always check with your airline for specific regulations.
The currency used in the United States is the US Dollar (USD). For travelers, using cards is generally more convenient and widely accepted, especially credit and debit cards, while cash is useful for small purchases or places that do not accept cards.
In San Francisco, travelers should be cautious of pickpocketing and petty theft, especially in crowded areas like Fisherman's Wharf and Union Square. Common scams include distraction techniques used by groups to steal wallets and fake charity solicitations. It's advisable to avoid poorly lit or isolated areas at night and be wary of unofficial taxi services to ensure safety.
Pack lightweight, versatile clothing suitable for the destination's climate, and use secure, lockable luggage to protect belongings. Keep essential items like travel documents, medication, and valuables in a carry-on bag for easy access. Use packing organizers or cubes to maximize space and maintain order. Lastly, include a small first aid kit and personal hygiene items for added comfort during travel.

popular airports

Popular airports from Boulder, CO to San Francisco, CA

Boulder
San Francisco
Amenities at airport
WifiWifi
ShoppingShopping
ParkingParking
ATMATM
TaxisTaxis
AccessibilityAccessibility
WCWC
ShowerShower
LoungeLounge
Lost and Found OfficeLost and Found Office
information
ticketOfficeHours
Distance to city center
1 km
carConnection
Car connection
US-101, exit 423A
Wifi
Wifi
  • Free Wi-Fi available throughout the airport.
Shopping
Shopping
  • Shops are located in all terminals, including DFS Duty-Free and Burberry.
Parking
Parking
  • Parking available in the Domestic and International Garages, approximately 1.9€ ($2) per 15 minutes.
Taxis
Taxis
  • Available outside the terminal.
Accessibility
Accessibility
  • Elevators, ramps, toilets.
WC
WC
  • Available throughout the airport.
Shower
Shower
  • Yes
Lounge
Lounge
  • Lounges available, including the United Club and Delta Sky Club.
Lost and Found Office
Lost and Found Office
  • Located in the main hall of the Domestic Terminal.
Public transit options for San Francisco International Airport
  • Buses: SamTrans 292, 397, 398, KX
  • Metro: BART Yellow Line

More options for your journey from Boulder, CO to San Francisco, CA

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