Beginning of main content
Round Trip Icon
Trip Type
Flight 1
Flight 2
Flight 3
Flight 4
Flight 5

Search over 1,000,000 properties worldwide and 550 airlines worldwide.

Search over a million flights, hotels, packages, and more

No Expedia cancellation fee to change or cancel almost any hotel reservation.

Find cheap flights from Seattle (SEA) to Boston (BOS)

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

Seattle to Boston route information

Origin Airport Seattle - Tacoma Intl.
Destination Airport Logan Intl.
Airlines Serving Alaska Airlines, American Airlines, Delta, JetBlue Airways, United
Flight Price C$313
Distance 3,980 km

Hotels by Airports near

See all 1,109 properties in Logan Intl.
Hilton Boston Logan Airport C$225
Reviewed on 17 Jun. 2019
See details
 
Hilton Boston Logan Airport

Hilton Boston Logan Airport

One Hotel Drive, Boston, MA
     
    4.2 of 5
    4.0 out of 5.0 Stars

    I like that this is so convenient to the airport, and I always feel comfortable and welcomed when I need to stay.

    Boston Park Plaza C$156
    Reviewed on 18 Jun. 2019
    See details
     
    Boston Park Plaza

    Boston Park Plaza

    50 Park Plaza at Arlington Street, Boston, MA
       
      4.1 of 5
      4.0 out of 5.0 Stars

      It is in a great position for sightseeing in Boston. There are restaurants and cafes within walking distance around the hotel block. We walked easily right over the Common to Faneuil and the Harbour. It is a big hotel so there could be waits in a busy season. I didn't experience this on my visit ...

      Hyatt Regency Boston Harbor C$210
      Reviewed on 18 Jun. 2019
      See details
       
      Hyatt Regency Boston Harbor

      Hyatt Regency Boston Harbor

      101 Harborside Drive, Boston, MA
         
        4.4 of 5
        4.0 out of 5.0 Stars

        Liked the location and views And valet parking No negatives!!

        Embassy Suites Boston Logan Airport C$228
        Reviewed on 18 Jun. 2019
        See details
         
        Embassy Suites Boston Logan Airport

        Embassy Suites Boston Logan Airport

        207 Porter St, Boston, MA
           
          4.2 of 5
          3.5 out of 5.0 Stars

          Great breakfast buffet! Easy walk to catch the T into town.

          Seaport Hotel C$264
          Reviewed on 18 Jun. 2019
          See details
           
          Seaport Hotel

          Seaport Hotel

          1 Seaport Lane, Boston, MA
             
            4.7 of 5
            4.0 out of 5.0 Stars

            The hotel customer service was excellent and was very clean.

            Boston Omni Parker House Hotel C$180
            Reviewed on 18 Jun. 2019
            See details
             
            Boston Omni Parker House Hotel

            Boston Omni Parker House Hotel

            60 School St, Boston, MA
               
              4.2 of 5
              4.0 out of 5.0 Stars

              Loved the location so convenient for exploring. Also interesting historically and enjoyed looking at photos and letters in the lower level. Staff was attentive, we got information on T to see sites, riding your buses and getting extras for our room. The room was a lucky little tight maneuvering around ...

              Stunning & Centrally-located Waterfront Property w/ Panoramic Views!
              Stunning & Centrally-located Waterfront Property w/ Panoramic Views!

              Stunning & Centrally-located Waterfront Property w/ Panoramic Views!

              Boston, Massachusetts
                 
                0.0 out of 5.0 Stars

                Located in East Boston, this historic condo building is within 3 mi (5 km) of Boston Harbor, New England Aquarium, and Faneuil Hall Marketplace. Paul Revere House and The Freedom Trail are also within 3 mi (5 km). Maverick Station is 11 minutes by foot and Airport Station is 22 minutes.

                Newly Renovated 4BR Close to Airport
                Newly Renovated 4BR Close to Airport

                Newly Renovated 4BR Close to Airport

                Boston, Massachusetts
                   
                  0.0 out of 5.0 Stars

                  Located in East Boston, this historic apartment building is within 3 mi (5 km) of New England Aquarium, Faneuil Hall Marketplace, and Boston Tea Party Ship. TD Garden is 3.1 mi (5 km) away.

                  Provincetown

                  C$792.67

                  Cheap SEA to BOS Flights

                  • Question : Is there a day that has more departure times to choose from than other days?
                    Answer : With 13 total flight time options, Monday provides the most flexibility from SEA to BOS. Tuesday currently offers the least amount of flight times with only eight options.
                  • Question : What is the cheapest date to fly to Boston?
                    Answer : As of Jun 17th, the best day for deals to Boston (BOS) is Jul 10th. A ticket will put you out $317, which is 54% below this route's average price.
                  • Question : What is the cheapest airline flying from Seattle to Boston?
                    Answer : Delta Air Lines strives to keep costs low for passengers over the next three months. Bookings are being made at just $317 and, when compared to the higher priced bookings of $2,039, it's quite a deal.
                  • Question : What is the cheapest day to fly?
                    Answer : The cheapest day to fly from Seattle to Boston is on Tuesday. If you are trying to save a little cash on your next trip look for flights on Tuesday.
                  • Question : How many flights are there per day from Seattle to Boston?
                    Answer : Each day is different, but on average, you can expect to see 11 available departure times. That is higher than the national average of nine.
                  • Question : Which airline has the least delays from Seattle to Boston?
                    Answer : Booking with NetJets Aviation means you will arrive to Boston about the time you were supposed to. In fact, this airline has a 100% average for getting there on time. Of course, it never hurts to be prepared. If you’re on JetBlue Airways, be sure to sign up for the delay notifications to stay up to date with your flight’s status.
                  • Question : How long is the flight from SEA to BOS?
                    Answer : Alaska Airlines currently holds the quickest travel time with five hours and four minutes. For example, you would arrive in Boston at 5:39 AM EDT if you left Seattle at 9:35 PM PDT. Remember, there is a time change of three hours.