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Journey information
Overview: Boulder, CO to San Francisco, CA flight
USAUSA
Take a flight from Boulder, CO to San Francisco, CA and enjoy the approximately 933 miles (1502 km) long journey. Find schedules and pricing options for a convenient and affordable trip.
There are 9 flights per day. The earliest flight runs at 00:05, the last at 23:58. December 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 2h 51m |
Flights per day 38 |
Direct flights 9 |
Cheapest month to travel December |
First flight 00:05 |
Last flight 23:58 |
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
Compare prices and tickets Boulder, CO to San Francisco, CA by bus
Compare bus 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.
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Airlines: Frontier Airlines from Boulder, CO to San Francisco, CAFind the best flights between Boulder, CO to San Francisco, CA with Omio's travel partners Frontier Airlines. We can find you the best deals, schedules and tickets when comparing and booking the best trip.
Frontier Airlines
About
Frontier Airlines is a major American ultra-low-cost carrier headquartered in Denver, Colorado, operating flights to over 120 destinations across the United States, Caribbean, Mexico, and Central America. Known for its "Low Fares Done Right" philosophy, Frontier focuses on offering affordable travel by allowing passengers to choose and pay only for the services they need, such as seat selection or baggage. The airline is also recognized for its commitment to fuel efficiency, claiming to be "America's greenest airline" due to its modern, lightweight aircraft and operational practices. A distinctive feature of Frontier is the animal featured on the tail of each aircraft, highlighting North American wildlife.
Luggage & cancellation policy
Average Duration
3h 0m
Cheapest Price
$171 (€138)
Frontier Airlines frequency
18 a day
Luggage included
Personal item (18 x 14 x 8 inches) included
Additional luggage
Checked bag fees start at $79 per bag
Cancellation Policy
Non-refundable tickets, changes permitted for fee starting at $79 plus fare difference
Pregnant on board
Pregnant women can travel up to 7 days before due date, medical certificate required after 36 weeks
Unaccompagned minor
Children ages 5-14 can travel alone for $100 fee each way, must be nonstop flight only
Amenities on board the airplane
Wifi
Accessibility
Frontier Airlines offers assistance for passengers with disabilities, including wheelchair service and boarding assistance. Passengers are encouraged to request these services in advance to ensure availability and proper arrangements.
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.
The earliest flight from Boulder, CO to San Francisco, CA leaves at 12: 12AM. Plan your trip with the Journey Planner from Omio.
The latest flight from Boulder, CO to San Francisco, CA leaves at 11: 50PM.
There are 46 flights a day from Boulder, CO to San Francisco, CA which require at least one change with Frontier Airlines. Schedules can vary on holidays or weekends with fewer flights.
For the best Boulder, CO to San Francisco, CA flight to purchase, you can travel safely and comfortably with Frontier Airlines. However, it's always good to check all possible airlines with services to San Francisco, CA from Boulder, CO to compare what amenities they may offer.
The cheapest month for a flight from Boulder, CO to San Francisco, CA is November.
Since neither Boulder, CO nor San Francisco, CA are in the Schengen Area, passport requirements depend on the specific immigration rules of USA and USA. 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.
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 seasons to visit San Francisco, CA are 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.
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.
popular airports
Popular airports from Boulder, CO to San Francisco, CA
Boulder
San Francisco
Amenities at airport
Wifi
Shopping
Parking
ATM
Taxis
Accessibility
WC
Shower
Lounge
Lost and Found Officeinformation
Distance to city center
1 km
Car connection
US-101, exit 423AWifi
- Free Wi-Fi available throughout the airport.
Shopping
- Shops are located in all terminals, including DFS Duty-Free and Burberry.
Parking
- Parking available in the Domestic and International Garages, approximately 1.9€ ($2) per 15 minutes.
Taxis
- Available outside the terminal.
Accessibility
- Elevators, ramps, toilets.
WC
- Available throughout the airport.
Shower
- Yes
Lounge
- Lounges available, including the United Club and Delta Sky Club.
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
Here are some other resources that might have the information you need
Most popular flights to and from San Francisco, CA and Boulder, CO
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