Question 1

How long does a flight from Seattle to Boston take?

Accepted Answer

Direct flights from Seattle generally make it to Boston in 5h 15m. The flying distance between the two cities is 6,441 km. Visit our flight page for the latest deals!>/a>

Question 2

How many flights are there between Seattle and Boston per day?

Accepted Answer

Each day, there are between 5 and 6 direct flights that take off from Seattle and land in Boston, with an average flight time of 5h 21m. The most common departure time is 15:00 and most flights take off at night. Each week, there are 40 flights. The most frequent day of departure is Monday, when 15% of all weekly flights depart. The fewest flights depart on a Tuesday. Visit our flight page for the latest deals!>/a>

Question 3

How many flights are there between Seattle and Boston per day?

Accepted Answer

Each day, there are between 5 and 6 direct flights that take off from Seattle and land in Boston, with an average flight time of 5h 21m. The most common departure time is 15:00 and most flights take off at night. Each week, there are 40 flights. The most frequent day of departure is Monday, when 15% of all weekly flights depart. The fewest flights depart on a Tuesday. Visit our flight page for the latest deals!>/a>

Question 4

What is the cheapest flight from Seattle to Boston?

Accepted Answer

In the last 3 days, the lowest price for a flight from Seattle to Boston was $219 for a one-way ticket and $446 for a return. <a href='/flight-routes/Seattle-Tacoma-Intl-SEA/Boston-Logan-Intl-BOS'>Visit our flight page for the latest deals!>/a>

Question 5

Which airports will I be using when flying from Seattle to Boston?

Accepted Answer

Seattle airport is called Seattle/Tacoma Intl and the only airport in Boston is Boston Logan Intl. <a href='/flight-routes/Seattle-Tacoma-Intl-SEA/Boston-Logan-Intl-BOS'>Visit our flight page for the latest deals!>/a>

Question 6

What’s the earliest departure time from Seattle to Boston?

Accepted Answer

Early birds can take the earliest flight from Seattle at 07:30 and will be landing in Boston at 16:00.

Question 7

What’s the latest departure time from Seattle to Boston?

Accepted Answer

If you prefer to fly at night, the latest flight from Seattle to Boston jets off at 23:25 and lands at 07:42.

Question 8

Which airlines offer Wi-Fi service onboard planes from Seattle to Boston?

Accepted Answer

All the following airlines offer inflight Wi-Fi service on the Seattle to Boston flight route: JetBlue, Alaska Airlines, Hawaiian Airlines, Air France, Lufthansa, and United Airlines.

Question 9

Which aircraft models fly most regularly from Seattle to Boston?

Accepted Answer

The Airbus A321neo is the aircraft model that flies most regularly on the Seattle to Boston flight route.

Question 10

On which days can I fly direct from Seattle to Boston?

Accepted Answer

There are direct flights from Seattle to Boston on a daily basis.

Question 11

Where can I find bus services at Logan airport?

Accepted Answer

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.

Question 12

What assistance can I get at the Seattle airport?

Accepted Answer

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.

Question 13

How fast can I get accommodation upon landing at Logan airport?

Accepted Answer

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.

Question 14

What can keep me busy as I wait for my flight to Seattle Airport?

Accepted Answer

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.

Question 15

What is the cheapest month to fly from Seattle to Boston?

Accepted Answer

The cheapest month for flights from Seattle to Boston is January, where tickets cost $384 (return) on average. On the other hand, the most expensive months are December and June, where the average cost of round-trip tickets is $871 and $766 respectively.

Question 16

What is the cheapest month to fly from Seattle to Boston?

Accepted Answer

The cheapest month for flights from Seattle to Boston is January, where tickets cost $384 (return) on average. On the other hand, the most expensive months are December and June, where the average cost of round-trip tickets is $871 and $766 respectively.

Question 17

How does KAYAK find such low prices on flights from Seattle to Boston?

Accepted Answer

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Seattle to Boston. <a href='/flight-routes/Seattle-Tacoma-Intl-SEA/Boston-Logan-Intl-BOS'>Visit our flight page for the latest deals!>/a>

Question 18

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Seattle to Boston?

Accepted Answer

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Boston from Seattle is likely to change within 7 days, so travelers know whether to wait or book now. <a href='/flight-routes/Seattle-Tacoma-Intl-SEA/Boston-Logan-Intl-BOS'>Visit our flight page for the latest deals!>/a>

Question 19

What is the Hacker Fare option on flights from Seattle to Boston?

Accepted Answer

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to Boston with an airline and back to Seattle with another airline. <a href='/flight-routes/Seattle-Tacoma-Intl-SEA/Boston-Logan-Intl-BOS'>Visit our flight page for the latest deals!>/a>

Question 20

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Seattle to Boston?

Accepted Answer

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Boston from Seattle up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. <a href='/flight-routes/Seattle-Tacoma-Intl-SEA/Boston-Logan-Intl-BOS'>Visit our flight page for the latest deals!>/a>

Question 21

How often are flights from Seattle to Boston delayed?

Accepted Answer

Weekly flights between Seattle and Boston historically see delays in approximately 16% of cases, with the average delay over the past year being 148 minutes.

Question 22

Which airline has the best punctuality record on Seattle to Boston flights?

Accepted Answer

Based on our data, KLM has experienced the fewest delays on this route in the past 12 months, with no flights being classified as delayed.

Question 23

What day of the week experiences the fewest flight delays on this route?

Accepted Answer

Statistically, Tuesday is the day of the week with the fewest delays on this flight route, while Thursday has typically experienced more delays than other days.

Question 24

What is the most punctual flight time for Seattle to Boston flights?

Accepted Answer

Typically, flights leaving at night tend to face fewer delays, whereas flights in the early afternoon have historically encountered delays more often.

Question 25

Which cabin class options are there for flights between Seattle and Boston?

Accepted Answer

There is only one cabin class option available for the route, which is Economy. Perform a search on KAYAK to find the latest prices and availability for all cabin fares, which differ across airlines.

Question 26

Which cabin class options are there for flights between Seattle and Boston?

Accepted Answer

There is only one cabin class option available for the route, which is Economy. Perform a search on KAYAK to find the latest prices and availability for all cabin fares, which differ across airlines.

Question 27

Which airlines provide the cheapest flights from Seattle to Boston?

Accepted Answer

In the past 3 days, the cheapest return tickets from Seattle to Boston were found on Southwest ($446) and United Airlines ($476).

Question 28

Which airlines provide the cheapest flights from Seattle to Boston?

Accepted Answer

In the past 3 days, the cheapest return tickets from Seattle to Boston were found on Southwest ($446) and United Airlines ($476).

Question 29

How far in advance should I book a flight from Seattle to Boston?

Accepted Answer

To get a below average price on the flight from Seattle to Boston, you should book around 2 weeks before departure, which saves you about 27% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 6 weeks before departure.

Question 30

How far in advance should I book a flight from Seattle to Boston?

Accepted Answer

To get a below average price on the flight from Seattle to Boston, you should book around 2 weeks before departure, which saves you about 27% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 6 weeks before departure.

Low season	February
High season	July
Cheapest flight	$219

SEA - BOS

$219 Find Cheap Flights from Seattle to Boston

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Everything you should know

Cheap Flights from Seattle to Boston (SEA-BOS)

Recent return flight deals from Seattle to Boston

Recent one-way flight deals from Seattle to Boston

Recent last minute flight deals from Seattle to Boston

Recent direct flight deals from Seattle to Boston

KAYAK's insights & trends for Seattle to Boston flights

Get data-powered insights and trends into flights from Seattle to Boston to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest month to fly from Seattle to Boston?

The cheapest month for flights from Seattle to Boston is January, where tickets cost $384 (return) on average. On the other hand, the most expensive months are December and June, where the average cost of round-trip tickets is $871 and $766 respectively.

How far in advance should I book a flight from Seattle to Boston?

To get a below average price on the flight from Seattle to Boston, you should book around 2 weeks before departure, which saves you about 27% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 6 weeks before departure.

Which airlines provide the cheapest flights from Seattle to Boston?

In the past 3 days, the cheapest return tickets from Seattle to Boston were found on Southwest ($446) and United Airlines ($476).

How often are flights from Seattle to Boston delayed?

Weekly flights between Seattle and Boston historically see delays in approximately 16% of cases, with the average delay over the past year being 148 minutes.

What is the most punctual flight time for Seattle to Boston flights?

Typically, flights leaving at night tend to face fewer delays, whereas flights in the early afternoon have historically encountered delays more often.

What day of the week experiences the fewest flight delays on this route?

Statistically, Tuesday is the day of the week with the fewest delays on this flight route, while Thursday has typically experienced more delays than other days.

Which airline has the best punctuality record on Seattle to Boston flights?

Based on our data, KLM has experienced the fewest delays on this route in the past 12 months, with no flights being classified as delayed.

Which cabin class options are there for flights between Seattle and Boston?

There is only one cabin class option available for the route, which is Economy. Perform a search on KAYAK to find the latest prices and availability for all cabin fares, which differ across airlines.

How many flights are there between Seattle and Boston per day?

How long does a flight from Seattle to Boston take?

Direct flights from Seattle generally make it to Boston in 5h 15m. The flying distance between the two cities is 6,441 km.

What’s the earliest departure time from Seattle to Boston?

Early birds can take the earliest flight from Seattle at 07:30 and will be landing in Boston at 16:00.

What’s the latest departure time from Seattle to Boston?

If you prefer to fly at night, the latest flight from Seattle to Boston jets off at 23:25 and lands at 07:42.

Good to know

When to book flights from Seattle to Boston

FAQs for booking flights from Seattle to Boston

Where can I find bus services at Logan airport?

What assistance can I get at the Seattle airport?

How fast can I get accommodation upon landing at Logan airport?

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.

What can keep me busy as I wait for my flight to Seattle Airport?

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.

What is the cheapest flight from Seattle to Boston?

In the last 3 days, the lowest price for a flight from Seattle to Boston was $219 for a one-way ticket and $446 for a return.

Which airports will I be using when flying from Seattle to Boston?

Seattle airport is called Seattle/Tacoma Intl and the only airport in Boston is Boston Logan Intl.

Which airlines offer Wi-Fi service onboard planes from Seattle to Boston?

All the following airlines offer inflight Wi-Fi service on the Seattle to Boston flight route: JetBlue, Alaska Airlines, Hawaiian Airlines, Air France, Lufthansa, and United Airlines.

Which aircraft models fly most regularly from Seattle to Boston?

The Airbus A321neo is the aircraft model that flies most regularly on the Seattle to Boston flight route.

On which days can I fly direct from Seattle to Boston?

There are direct flights from Seattle to Boston on a daily basis.

How does KAYAK find such low prices on flights from Seattle to Boston?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Seattle to Boston.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Seattle to Boston?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Boston from Seattle is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Seattle to Boston?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to Boston with an airline and back to Seattle with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Seattle to Boston?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Boston from Seattle up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

KAYAK’s top tips for finding a cheap flight from Seattle to Boston

Prefer to fly direct from Seattle/Tacoma Intl to Boston Logan Intl?

Everything you need to know for your flight from Seattle to Boston

Information on your arrival and departure airports

Cabin class types available on flights from Seattle to Boston

Complete your trip to Boston with a hotel stay or car hire

Flights to other popular destinations

Flights from domestic origins to Boston

Choose which airport to fly into in Boston