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Cheap SEA to BOS Flights

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

to route information

Airlines Serving Alaska Airlines, American Airlines, Delta, Frontier Airlines, Hawaiian Airlines, JetBlue Airways, Spirit Airlines, United

New Bedford

$1,323.76

Worcester

$249.50

Provincetown

$366.40

Providence

$208.40

Cheap SEA to BOS Flights

  • Can I change the date of my flight?

    Yes, you can change your departure date. If you wish to save some funds in doing so, the lowest-cost day to fly in October is Tuesday. If you are able to go with the flow, you may just find that you can pocket some cash.
  • Which airline has the least delays from Seattle to Boston?

    Booking with NetJets Aviation means you will arrive to Boston about the time you were supposed to. In fact, this timely airline has a 100% average for landing before the plane turns into a pumpkin.
  • How many flights are there per day from Seattle to Boston?

    The number of flight times varies by day, but on average, SEA to BOS sees 11 different choices. The average route departing the United States currently has nine different flight times per day. You'll have more options than the average passenger.
  • What is the cheapest airline flying from Seattle to Boston?

    JetBlue Airways strives to keep prices low for their passengers over the next three months. Fares are being booked at just $187 and, when compared to the more expensive bookings of $1,363, it's quite a deal.
  • What day of the week has the most flight time options?

    When you're flying from SEA to BOS, the day with the most flight times is Monday, with 13 different options. The day with the least amount of options is Tuesday with eight different times.
  • How long is the flight from SEA to BOS?

    This direct flight will whisk you away to your destination in five hours and four minutes via Alaska Airlines. If you catch the 9:35 PM PDT departure, you'll arrive at 5:39 AM EDT. Allowing you plenty of time to grab a quick lunch. Don't forget the three-hour time change. So, synchronize your watches.
  • How long does it take to fly from Seattle to Boston?

    When flying from SEA to BOS, the fastest flight time is five hours and four minutes. Remember, there is a three-hour time difference.

Seattle to Boston 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 Seattle to Boston 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 Boston.

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 SEA to BOS flights that won’t make your bank account wince. Ready to temporarily leave behind Seattle 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 BOS 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.

Sep 14, 2019

Arrival at Logan airport was delayed, gate was not ready. Boston is a disaster

Sep 12, 2019

Could not find the power ports, but slept so I didn't ask

Sep 11, 2019

First time flying jetblue. Will fly again

Aug 30, 2019

Jet blue didn’t put seats together even though early reservation!! :(

Aug 20, 2019

I did sleep through the entire flight and missed beverage/snack service.

Aug 16, 2019

Seats too small for 6 footers,

Aug 16, 2019

Masterful landing. The captain aborted the first attempt due to low visability We circled and he nsiled the second attempt.

Aug 9, 2019

We were early!

Jul 31, 2019

Will choose Delta again.

Jul 16, 2019

Headphones jack in seat not working properly

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.