Cheap flights from Cambridge to San Francisco

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How to find the cheapest flight from
Cambridge (CBG) to San Francisco (SFO)

All the information you need to plan the best CBG to SFO flight in 2022: compare Cambridge to San Francisco flight prices with the expected peak season, weather and rainfall in San Francisco.
How far in advance should I book a flight from Cambridge to San Francisco?

Find a great deal and save up to 41% by booking at least 61 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Cambridge to San Francisco within the next two weeks, with the cheapest ticket starting at £430.

What is the cheapest month to fly from Cambridge to San Francisco?

Our data shows that February tends to be the cheapest month to fly to San Francisco from Cambridge. Users have commonly found prices around £392 for the month, but tickets can be as low as £287. Due to multiple factors, prepare for potentially higher prices in July.

When is the cheapest time to fly from Cambridge to San Francisco (CBG - SFO)?

When flying from Cambridge to San Francisco, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Cambridge</span> to <span class="emphasized">San Francisco</span> flights.

COVID Restrictions

View COVID Travel Restrictions for San Francisco, CA

Do I need a COVID test to fly to San Francisco from Cambridge?

Information is based on travel restrictions from Cambridge to San Francisco

Most visitors from Cambridge need to provide a negative COVID-19 test result and/or quarantine to enter San Francisco.

COVID-19 testing requirements
Visitors from Cambridge must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 1 day for RT-PCR (NAAT) and 1 day for Antigen (quick-test) before departing to San Francisco.

Quarantine requirements
Visitors from Cambridge are not required to quarantine after entering San Francisco.

Do I need a test to fly back to Cambridge from San Francisco?

Returning to Cambridge from San Francisco

COVID-19 testing requirements
Visitors from San Francisco are not required to present a negative COVID-19 PCR test or antigen result upon entering Cambridge.

Quarantine requirements
Visitors from San Francisco are not required to quarantine after entering Cambridge.

Hide COVID Travel Restrictions for San Francisco, CA

Alternative routes for Cambridge to San Francisco

See prices for flight routes from nearby airports that may be better suited for you.

Destination information for San Francisco

Things to know before you go - useful duration and weather info for your trip from Cambridge to San Francisco.
Today's exchange rate
£1 = $1.25
Average temperature for May in San Francisco
21.0 °C
Avg rainfall for May in San Francisco
14.0 mm

Airports servicing Cambridge

Airports servicing San Francisco

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