Cheap Flights from Seattle (SEA) to Cambridge (CBG)

Popular airlines from Seattle-Tacoma International Airport (SEA) to Cambridge (CBG)

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Frequently asked questions

How much does a flight from Seattle - Tacoma Intl. Airport (SEA) to Cambridge (CBG) cost?
Lock in a cheap one-way flight or cheap return flight from Seattle - Tacoma Intl. Airport (SEA) to Cambridge (CBG) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Seattle - Tacoma Intl. Airport (SEA) to Cambridge (CBG)?
is the most affordable month to fly from SEA to CBG. Planning your trip for the off-season is often the key to landing a great deal.
What is the cheapest airline that flies from Seattle - Tacoma Intl. Airport (SEA) to Cambridge (CBG)?
Use the filter tool on Expedia to compare different airlines and find the cheapest carrier that'll take you from SEA to CBG. Then, sort your results by "Price (lowest to highest)" to score a great deal.
How many flights per day from Seattle - Tacoma Intl. Airport (SEA) to Cambridge (CBG)?
Nonstop flights from Seattle - Tacoma Intl. Airport (SEA) to Cambridge (CBG) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your travel dates and pick either "1 Stop" or "2+ Stops."
What day of the week has the most flights from SEA to CBG?
Friday is usually the busiest day for flights, while Tuesday is often the quietest.* Remember that flight schedules can vary based on a number of factors, including the time of year and carrier.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Seattle - Tacoma Intl. Airport (SEA) to Cambridge (CBG)?
To reach Cambridge (CBG) on time, select a flight that leaves from Seattle - Tacoma Intl. Airport (SEA) before 3 PM. The chance 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 Seattle - Tacoma Intl. Airport (SEA) to Cambridge (CBG) last-minute?
Booking your flight from SEA to CBG just before your trip is typically more expensive. However, if you're flexible with your schedule, you could snag a cheap last-minute fare.
Can I cancel or change the date of my flight from Seattle - Tacoma Intl. Airport (SEA) to Cambridge (CBG)?
In most cases, you can reschedule or cancel your SEA to CBG flight. However, there may be additional fees, especially if you booked over 24 hours ago. Double-check your itinerary for the airline's fees and policies on flight changes, or if you'd like more information, head to our Customer Service portal.

Travel information

Travel information

Origin airport
Seattle - Tacoma Intl.
Destination airport
Cambridge
Distance
4762 mi

Book with confidence

Book with confidence

Seattle to Cambridge Flights

The cheapest times to fly from Seattle 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 Seattle to Cambridge are during the month of . You can find some of the cheapest flights from Seattle to Cambridge with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Seattle to Cambridge

Sunday is one of the best days to book for cheap flights from Seattle 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 Seattle 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 Seattle 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 Seattle 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 Seattle 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.

 

Seattle to Cambridge Flights

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Explore a world of travel with Expedia

*Available to One Key members.