Cheap Flights from San Diego (SAN) to Cambridge (CBG)

Popular airlines from San Diego Intl. Airport (SAN) to Cambridge (CBG)

Frequently asked questions

How much does a flight from San Diego Intl. Airport (SAN) to Cambridge (CBG) cost?
Secure a cheap one-way flight or cheap return flight from San Diego Intl. Airport (SAN) to Cambridge (CBG) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from San Diego Intl. Airport (SAN) to Cambridge (CBG)?
The cheapest month to fly from SAN to CBG is , when demand is low. Off-peak season is often when you'll find lower airfares between these airports.
What is the cheapest airline that flies from San Diego Intl. Airport (SAN) to Cambridge (CBG)?
Expedia's filter tool lets you easily compare travel time, airlines and fares all in one place. Choose your preferences, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest SAN to CBG flight.
How many flights per day from San Diego Intl. Airport (SAN) to Cambridge (CBG)?
Direct flights from San Diego Intl. Airport (SAN) to Cambridge (CBG) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your dates and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from SAN to CBG?
You'll generally find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can vary from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from San Diego Intl. Airport (SAN) to Cambridge (CBG)?
To arrive at Cambridge (CBG) without delays, book a flight that leaves from San Diego Intl. Airport (SAN) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from San Diego Intl. Airport (SAN) to Cambridge (CBG) last-minute?
Last-minute fares from SAN to CBG are usually more expensive. For the lowest rates, start searching for flights as soon as possible. That being said, if you're flexible with your travel plans, you may land a cheap ticket right before you leave.
Can I cancel or change the date of my flight from San Diego Intl. Airport (SAN) to Cambridge (CBG)?
You can usually cancel or reschedule your SAN to CBG flight. However, if the booking was made more than 24 hours ago, additional charges may apply. Check your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find more details on our Customer Service portal.

Travel information

Origin airport
San Diego Intl.
Destination airport
Cambridge
Distance
5460 mi

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San Diego to Cambridge Flights

The cheapest times to fly from San Diego to Cambridge

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from San Diego to Cambridge are during the month of . You can find some of the cheapest flights from San Diego to Cambridge with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from San Diego to Cambridge

Sunday is one of the best days to book for cheap flights from San Diego to Cambridge: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from San Diego to Cambridge

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from San Diego to Cambridge in 2025. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap San Diego to Cambridge flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your San Diego to Cambridge airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

San Diego to Cambridge Flights

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*Available to One Key members.