How long is a flight from Boston to Seattle?

The flight time from Boston to Seattle is approximately 5 hours and 30 minutes to 6 hours and 30 minutes.

Keep in mind that this is an estimated time and can vary depending on:

* Airline: Different airlines may have different flight routes and speeds.

* Time of year: Weather conditions can affect flight duration.

* Layovers: If you have a connecting flight, the total travel time will be longer.

It's best to check with your specific airline for the most accurate flight time information.