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Find the best flight from San Francisco to Boulder

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Great deals from San Francisco to Boulder

We’ve searched 100s of deals recently found by travellers.*
Minneapolis, MN (MSP) Denver, CO (DEN)
Mon 04/11 - Thu 07/11
Sun Country Airlines - Roundtrip, Economy
US$99
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Houston, TX (HOU) Denver, CO (DEN)
Thu 14/11 - Wed 20/11
Frontier Airlines - Roundtrip, Economy
US$107
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Atlanta, GA (ATL) Denver, CO (DEN)
Thu 15/08 - Mon 26/08
Frontier Airlines - Roundtrip, Economy
US$135
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Saint Louis, MO (STL) Denver, CO (DEN)
Fri 30/08 - Sun 01/09
Frontier Airlines - Roundtrip, Economy
US$140
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Washington DC, DC (WAS) Denver, CO (DEN)
Fri 23/08 - Fri 30/08
Frontier Airlines - Roundtrip, Economy
US$148
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Chicago, IL (CHI) Denver, CO (DEN)
Fri 03/01 - Fri 10/01
Frontier Airlines - Roundtrip, Economy
US$204
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New York City, NY (NYC) Denver, CO (DEN)
Thu 17/10 - Mon 21/10
Frontier Airlines - Roundtrip, Economy
US$209
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Nashville, TN (BNA) Denver, CO (DEN)
Fri 09/08 - Sun 11/08
Frontier Airlines - Roundtrip, Economy
US$235
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*Prices are based on round trip travel with returns between 1-21 days after departure. These are the best fares found by travellers who searched TripAdvisor and a select group of our fare search partners in the past 72 hours. Ticket prices and seat availability change rapidly and cannot be guaranteed.
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Route information

  • San Francisco, CA is 966 miles from Boulder
  • There are 32 daily flights from San Francisco, CA to Boulder
  • There are 46 weekly flights from San Francisco, CA to Boulder
  • 33 non-stop flights are operating from San Francisco, CA to Boulder today
  • Air Canada has the most nonstop flights between San Francisco, CA and Boulder
  • Los Angeles, CA - Los Angeles International Airport is the most popular connection for one stop flights between San Francisco, CA and Boulder

In-Flight information

  • The average flying time for a direct flight from San Francisco, CA to Boulder is 2 hours 32 minutes
  • Most direct flights leave around 5:30 PST
  • Air Canada flight 5790 is today's earliest flight from San Francisco, CA to Boulder (5:30 PST, Boeing 737-800 pax)
  • Southwest Airlines flight 1106 is today's latest flight from San Francisco, CA to Boulder (19:50 PST, Boeing 737-800 (winglets) pax)
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Arrival information

  • Boulder is 33 mi from Denver Intl Airport (Denver, CO).
  • Denver Intl Airport (Denver, CO)
    • Right now, 62 airlines operate out of Denver Intl Airport.
    • Denver Intl Airport offers nonstop flights to 171 cities.
    • Every week, at least 8,243 domestic flights and 443 international flights depart from Denver Intl Airport.
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