Cheap flights from Cambridge to Seattle

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How to find the cheapest flight from
Cambridge (CBG) to Seattle (SEA)

All the information you need to plan the best CBG to SEA flight in 2022: compare Cambridge to Seattle flight prices with the expected peak season, weather and rainfall in Seattle.
What is the cheapest month to fly from Cambridge to Seattle?

Our data shows that February tends to be the cheapest month to fly to Seattle from Cambridge. Users have commonly found prices around £435 for the month, but tickets can be as low as £286. Due to multiple factors, prepare for potentially higher prices in July.

How far in advance should I book a flight from Cambridge to Seattle?

Users have found that booking a flight from Cambridge to Seattle at least 52 days early can save you up to 51% on average compared to booking a flight this week. If booking 52 days before your flight isn’t an option for you, users have found flights from Cambridge to Seattle for as little as £493 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as £645 for flights departing within the next 3 days.

When is the cheapest time to fly from Cambridge to Seattle (CBG - SEA)?

When flying from Cambridge to Seattle, 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">Seattle</span> flights.

COVID Restrictions

View COVID Travel Restrictions for Seattle, WA

Do I need a COVID test to fly to Seattle from Cambridge?

Information is based on travel restrictions from Cambridge to Seattle/Tacoma Intl

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

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 Seattle/Tacoma Intl.

Quarantine requirements
Visitors from Cambridge are not required to quarantine after entering Seattle/Tacoma Intl.

Do I need a test to fly back to Cambridge from Seattle?

Returning to Cambridge from Seattle/Tacoma Intl

COVID-19 testing requirements
Visitors from Seattle/Tacoma Intl are not required to present a negative COVID-19 PCR test or antigen result upon entering Cambridge.

Quarantine requirements
Visitors from Seattle/Tacoma Intl are not required to quarantine after entering Cambridge.

Hide COVID Travel Restrictions for Seattle, WA

Alternative routes for Cambridge to Seattle

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

Destination information for Seattle

Things to know before you go - useful duration and weather info for your trip from Cambridge to Seattle.
Today's exchange rate
£1 = $1.26
Average temperature for May in Seattle
19.0 °C
Avg rainfall for May in Seattle
45.0 mm

Airports servicing Cambridge

Airports servicing Seattle

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