$187 Find Cheap Flights from Seattle to Boston - Compare and Save

Moving around the Logan airport is the least of your worries since the airport provides free bus services. They ferry travelers to various spots at varying intervals. The buses are easy to board and to load luggage, thanks to their low floors. They also have a wheelchair lift, making them friendly to the disabled. You’ll find them to the south of each terminal.

The airport works toward giving travelers a memorable experience when waiting for their flights. You can find advanced facilities and welcoming staff to help you move around and offer you all the assistance needed. The disabled can access wheelchair services, which the airport provides at no cost upon making a reservation.

You can get accommodation near Logan airport for approximately $144. Take a free shuttle bus at the terminals to access hotels such as the Homewood Suites, located 3.5 miles away. Enjoy an indoor pool table, Wi-Fi, and a fitness center. The hotel serves complimentary breakfast too.

Travelers can enjoy a walking tour to explore attractions in the neighborhood using underground paths and learn about the history. Waiting for your flight does not have to be boring, as there is too much fun around the airport.

Sound Transit, Link Light Rail, offers the easiest means to connect from the city center of Seattle to SEA for your departure to BOS. The service reaches the terminals in approximately 40min. Other travel options include taxis and rideshares. Still, buses are the most convenient means due to their relatively lower costs.

Boston Logan International Airport operates its own off-site car rental center at 15 Transportation Way. Upon arrival, you will find a free shuttle bus service at the curbside on the lower level of each terminal. The blue- and white-colored buses depart every 10-15min. Alamo and Dollar are some agencies offering shuttle and pickup services at BOS.

Aside from serving as the primary getaway to Boston, BOS also serves as the destination station for visitors from Seattle to neighboring towns like Smithfield, Wareham, Shirley, Bedford, and Somerset. With these destinations about an hour’s drive away, you can easily explore them by public transportation, car rentals, or taxis.

BOS operates four terminals. Domestic flights depart and arrive via Terminals A, B, and C, while Terminal E handles all international flights. Walkways link all the terminals, and you can walk around if you don’t have heavy luggage. Regular shuttles run between the terminals every 5-15 minutes.

Both SEA and BOS have pre- and post-security pet-relief areas where your cat or dog can relax and relieve itself. In addition, most flights along this route allow pets into their cabins, including cats and dogs. Nevertheless, checking with your carrier regarding specific requirements like health certificates and age is helpful.

Most airlines require the booking of wheelchairs at least 48 hours before departure from SEA to BOS. At SEA, travelers with limited mobility receive cab-to-aircraft services and will find well-trained airport and airline staff at BOS to guide them through the terminals. Furthermore, basic amenities in both airports, like restrooms, are accessible.

Among airlines operating Seattle to Boston flights:

• JetBlue: offers extra legroom; offers free seat selection
• Alaska Airlines: offers extra legroom; offers free seat selection
• Delta: offers extra legroom; offers free seat selection
• American Airlines: offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

3 airlines operate flights between Seattle and Boston. The airlines offering nonstop flights on this route include:
• Alaska Airlines
• Delta
• JetBlue

Flights from Seattle to Boston usually depart from Seattle/Tacoma Intl (SEA) and arrive at Boston Logan Intl (BOS).

Here are some options for this route, based on selected ticket types and cabin classes:

• Alaska Airlines: a cabin bag and a checked bag in Economy Class
• Delta: a cabin bag and a checked bag in Economy Class
• American Airlines: a cabin bag and a checked bag in Business Class

Bag allowance can vary by ticket type, cabin class, route and airline, so travelers should check the fare details before booking.

Four cabin classes are available on flights from Seattle to Boston:

• Economy Class
• Premium Economy Class
• Business Class
• First Class

Prices vary by airline.

On this route, layover flights are cheaper than nonstop options on average. Layover fares average $258 round-trip via Baltimore/Washington (BWI), compared to $449 for nonstop.

There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $35–$100 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

The Airbus A321-100/200 family is used most often on this route, operated mainly by JetBlue and Delta. Other aircraft seen on the route include Airbus A321neo variants.

One-stop flights from Seattle to Boston most commonly connect through:

• Minneapolis St Paul (MSP) - 38% of one-stop connections
• Chicago O'Hare Intl (ORD) - 23% of one-stop connections
• Philadelphia (PHL) - 13% of one-stop connections
• Chicago Midway (MDW) - 8% of one-stop connections

Minneapolis St Paul (MSP) handles the largest share of one-stop connections on this route.

Yes. Being flexible with your travel dates can save you up to 22% on the Seattle to Boston route. Tuesday is the cheapest departure day at $401 round-trip on average, while Sunday is the most expensive at $512, a difference of $111. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the Seattle to Boston route, 17% of flights were delayed in the past 3 months, with delays averaging 2 hours 59 minutes.

Morning is the busiest departure period on Seattle to Boston flights, with 45% of flights leaving in that window. Night departures account for 33%, evening flights for 22%, and afternoon flights for 0%.

Some of the most popular sights in Boston are Fenway Park, TD Garden and South Station. These are among the most viewed places in Boston on KAYAK.

A nonstop flight from Seattle to Boston takes 5h 30m, covering 2,487 miles.

These are the earliest and latest flight times available from Seattle to Boston:

• Earliest: departs at 6:00 am and lands at 11:30 am
• Latest: departs at 11:59 pm and lands at 5:29 am.

The flight takes about 5h 30m.

Last-minute fares on this route - booked within 2 weeks of departure - run 38% above the route average of $446. Book 25 weeks before departure for the lowest fares.

No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $310 to $1,718. That means the highest observed fare was about 6x higher than the lowest one.

One-way fares from Seattle to Boston are currently lower than usual. Average one-way flight prices are about $192, which is 31% below the typical average for this route.

Delta is slightly above the route average for timely arrivals, while Alaska Airlines has a lower on-time arrival rate. On-time arrival rates on Seattle to Boston flights are:

• Delta: 89% on time
• Alaska Airlines: 83% on time
• JetBlue: 63% on time

Overall, flights on this route are on time 83% of the time on average.

Night flights have the fewest delays on this route. Delays tend to pile up throughout the day as one late flight pushes the next, so earlier departures are usually more reliable.

Flying via Philadelphia (PHL) gives the shortest average 1-stop total travel time at 8h 17m, compared with 8h 19m via Chicago O'Hare Intl (ORD) and 8h 20m via Denver Intl (DEN).

Boston is 3 hours ahead of Seattle (Eastern Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.

Boston Logan Intl Airport (BOS) hosts 5 major car rental companies, with daily rates starting from around $23 for economy cars. Top options include:
· Dollar
· Hertz
· Budget
· Thrifty
· Sixt

Round-trip flights from Seattle to Boston range from $353 to $568, with an average of $446 over the past 12 months. Anything below $353 counts as a good deal.

Three airlines offer in-flight Wi-Fi on Seattle to Boston flights:

• • JetBlue
• • Alaska Airlines
• • Delta