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Cheap BOS to SEA Flights

Prices found within past 7 days. Prices and availability subject to change. Additional terms may apply.

Boston to Seattle route information

Origin Airport Logan Intl.
Destination Airport Seattle - Tacoma Intl.
Airlines Serving Alaska Airlines, American Airlines, Delta, Frontier Airlines, Hawaiian Airlines, JetBlue Airways, Spirit Airlines, United
Flight Price $188
Distance 2,487 mi

New Bedford

$916.10

Worcester

$249.50

Provincetown

$346.21

Providence

$211.00

Cheap BOS to SEA Flights

  • How long is the flight from BOS to SEA?

    JetBlue Airways can get you there in six hours and 20 minutes. So, if you were to leave Boston at 8:58 AM EDT, you would arrive in Seattle at 12:18 PM PDT. Just enough time to catch up on your television shows before you land (remember, there is a three-hour time difference).
  • Is there a day that has more departure times to choose from than other days?

    Thursday has the greatest variety of flight times for Boston to Seattle with 12. The day of the week with the fewest number of times is Saturday with nine departures.
  • What is the cheapest airline flying from Boston to Seattle?

    JetBlue Airways strives to keep costs down for their passengers over the next three months. Fares are being booked at just $187 and, when compared to the pricier bookings of $958, it's quite a deal.
  • How many flights are there per day from Boston to Seattle?

    The number does differ by the day, but on average, you can expect 10 different choices of flight times when you book. You'll have more options on this route than most others departing the United States.
  • How long does it take to fly from Boston to Seattle?

    Flying from BOS to SEA typically takes about six hours and 20 minutes. Remember, there is a time change of three hours.
  • Can I change the date of my flight?

    You sure can and you may save money by doing it. The lowest-cost day to fly in October is Wednesday. If you can go with the flow, you may just find that you can pocket some cash.
  • Which airline has the least delays from Boston to Seattle?

    Booking with Delta Air Lines means you will arrive to Seattle around the time you were supposed to. In fact, this timely airline has a 79% average for landing before the plane turns into a pumpkin.

Boston to Seattle Flights

Sometimes you just need to get out of town or maybe you’re looking for a change of scenery. Regardless of the reason, a flight from Boston to Seattle will do just the trick! Go on, plan to see all the famous landmarks and eat your weight in the local cuisine. Your trip is beckoning, so answer the call by packing your suitcase and filling your travel itinerary with exploring Seattle.

Whether you’re flying for business or jet-setting on your personal time, you’ve come to the right place. Here at Expedia.com, we’ll pair you up with BOS to SEA flights that won’t make your bank account wince. Ready to temporarily leave behind Boston for new horizons? Browse through our cheap airfare, and filter by flight times and dates until you find just what you had in mind. From flights without layovers to ones that arrive early in the morning, you’ll come across plane tickets that suit your travel preferences. You can even bundle your flight to SEA with hotels and car rentals to score even bigger savings.

All set to hit the clouds? Book your travel arrangements with us today and have left-over money to put toward your travel outings and adventures.

Package Disclaimer

*Savings amount equal to 100% when flight + hotel are booked together. Prices based on searches conducted by fellow shoppers within the past 24 hours. There is no guarantee that these prices will be in effect at the time of your search. Vacation package savings are based on comparison to prices on Expedia.com of the same components booked separately. Savings vary based on origin/destination, length of trip, stay dates and travel partners, and aren't available on all packages.