4.9
4.6Journey information
Overview: San Francisco, CA to Boulder, CO flight
USAUSA
Flights from San Francisco, CA to Boulder, CO depart on average 60 times per day, taking around 2h 34m. Cheap flight tickets for this journey start at $28 (€22) if you book in advance.
There are 4 flights per day. The earliest flight runs at 05:00, the last at 23:57. The fastest flight covers the 933 miles (1502 km) distance in 2h 41m. September is the cheapest month to fly.
Distance 933 miles (1502 km) |
Average flight duration 2h 34m |
Cheapest ticket price $28 (€22) |
Flights per day 60 |
Direct flights 4 |
Fastest flight 2h 41m |
Cheapest month to travel September |
First flight 05:00 |
Last flight 23:57 |
Key Takeaways
Train Ticket Prices
- Budget Options: Train tickets from San Francisco, CA to Boulder, CO start from as low as $28 (€22) if booked well in advance.
- Standard Fares: Typically, trains cost $94 (€76) depending on the train type and class.
Journey Duration & Frequency
- On average there are 60 daily trains from San Francisco, CA to Boulder, CO with 4 direct service.
- The fastest trains can take as little as 2h 41m but the average duration is 2h 34m
Train Operators
- Travel from San Francisco, CA to Boulder, CO with Frontier Airlines
- The most booked train company for this route on Omio is Frontier Airlines.
Stations & Schedule
- Most trains depart from San Francisco International Airport and arrive in Denver International Airport
- First train typically departs at 05:00 AM and the last at 11:57 PM
Travel Information
Compare bus, train, and flight for San Francisco, CA to Boulder, CO
Omio recommends booking the flight as it is the most popular option from San Francisco, CA to Boulder, CO among Omio's users. If you are prioritising price take the flight with prices starting from €22. For those with little time consider booking a flight which can get you there in 2h 34m. The ticket price range depends on the travel mode: a flight costs an average of €22, and a train costs an average of €110.
Distance: 933 miles (1502 km)
Compare flight with
Most popular Flight | Train |
|---|---|
€76 Average price Cheapest | €156 Average price |
5h 34m Average total duration Fastest 2h 34m Onboard + 3h 0m Additional time* | 33h 32m Average total duration 33h 2m Onboard + 30m Additional time* |
 Most popular airline |  Most popular train company |
Direct Options | Direct Options |
Live departures
San Francisco, CA to Boulder, CO flight times
The table below shows live departures for San Francisco, CA to Boulder, CO flights for today, Saturday, January 17. You can also manually refresh the results below to see updated flight journeys.
| Provider | Departs | Duration | Arrives | Transfers | Tickets |
|---|---|---|---|---|---|
 | 10:21 PM San Francisco, CA | 5h44 | 4:05 AM Boulder, CO | 0 transfersDirect | |
This is the last flight of the day. | |||||
Find all the dates and times for this journey
Compare prices and tickets San Francisco, CA to Boulder, CO 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.
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Airlines: Frontier Airlines from San Francisco, CA to Boulder, COFind the best flights between San Francisco, CA to Boulder, CO with Omio's travel partners Frontier Airlines from $28 (€22). We can find you the best deals, schedules and tickets when comparing and booking the best trip.
Frontier Airlines
FAQs: San Francisco, CA to Boulder, CO Flight
Find answers to the most common questions about traveling from San Francisco, CA to Boulder, CO 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 Boulder, CO, this guide helps you travel smarter and with confidence.
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.
popular airports
Popular airports from San Francisco, CA to Boulder, CO
Wifi
Shopping
Parking
ATM
Taxis
Accessibility
WC
Shower
Lounge
Lost and Found Office
- Free Wi-Fi available throughout the airport.
- Shops are located in all terminals, including DFS Duty-Free and Burberry.
- Parking available in the Domestic and International Garages, approximately 1.9€ ($2) per 15 minutes.
- Available outside the terminal.
- Elevators, ramps, toilets.
- Available throughout the airport.
- Yes
- Lounges available, including the United Club and Delta Sky Club.
- Located in the main hall of the Domestic Terminal.
- Buses: SamTrans 292, 397, 398, KX
- Metro: BART Yellow Line
More options for your journey from San Francisco, CA to Boulder, CO
Here are some other resources that might have the information you need
Most popular flights to and from Boulder, CO and San Francisco, CA
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