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

Each day, there are between 4 and 6 direct flights that take off from Boston and land in Seattle, with an average flight time of 6h 28m. The most common departure time is 07:00 and most flights take off in the morning. Each week, there are 37 flights. The most frequent day of departure is Monday, when 16% of all weekly flights depart. The fewest flights depart on a Tuesday. Visit our flight page for the latest deals!>/a>

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

Each day, there are between 4 and 6 direct flights that take off from Boston and land in Seattle, with an average flight time of 6h 28m. The most common departure time is 07:00 and most flights take off in the morning. Each week, there are 37 flights. The most frequent day of departure is Monday, when 16% of all weekly flights depart. The fewest flights depart on a Tuesday. Visit our flight page for the latest deals!>/a>

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

Early birds can take the earliest flight from Boston at 07:00 and will be landing in Seattle at 10:35.

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

The cheapest month for flights from Boston to Seattle is January , where tickets cost £178 (return) on average. On the other hand, the most expensive months are August and July, where the average cost of round-trip tickets is £326 and £319 respectively.

Question 1

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

Accepted Answer

Each day, there are between 4 and 6 direct flights that take off from Boston and land in Seattle, with an average flight time of 6h 28m. The most common departure time is 07:00 and most flights take off in the morning. Each week, there are 37 flights. The most frequent day of departure is Monday, when 16% of all weekly flights depart. The fewest flights depart on a Tuesday. Visit our flight page for the latest deals!>/a>

Question 2

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

Accepted Answer

Each day, there are between 4 and 6 direct flights that take off from Boston and land in Seattle, with an average flight time of 6h 28m. The most common departure time is 07:00 and most flights take off in the morning. Each week, there are 37 flights. The most frequent day of departure is Monday, when 16% of all weekly flights depart. The fewest flights depart on a Tuesday. Visit our flight page for the latest deals!>/a>

Question 3

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

Accepted Answer

Early birds can take the earliest flight from Boston at 07:00 and will be landing in Seattle at 10:35.

Question 4

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

Accepted Answer

If you prefer to fly at night, the latest flight from Boston to Seattle jets off at 19:00 and lands at 22:29.

Question 5

Which airlines fly direct between Boston and Seattle?

Accepted Answer

There is just one airline that flies from Boston to Seattle direct and that is JetBlue. The best return deal found from JetBlue for the route is £304.

Question 6

Which airlines fly direct between Boston and Seattle?

Accepted Answer

There is just one airline that flies from Boston to Seattle direct and that is JetBlue. The best return deal found from JetBlue for the route is £304.

Question 7

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

Accepted Answer

JetBlue, Alaska Airlines, Hawaiian Airlines, American Airlines, and Delta offer inflight Wi-Fi service on the Boston to Seattle flight route.

Question 8

Which aircraft models fly most regularly from Boston to Seattle?

Accepted Answer

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

Question 9

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

Accepted Answer

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

Question 10

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

Accepted Answer

The cheapest month for flights from Boston to Seattle is January, where tickets cost £178 (return) on average. On the other hand, the most expensive months are August and July, where the average cost of round-trip tickets is £326 and £319 respectively.

Question 11

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

Accepted Answer

The cheapest month for flights from Boston to Seattle is January, where tickets cost £178 (return) on average. On the other hand, the most expensive months are August and July, where the average cost of round-trip tickets is £326 and £319 respectively.

Question 12

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

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 Boston to Seattle. <a href='/flight-routes/Boston-Logan-Intl-BOS/Seattle-Tacoma-Intl-SEA'>Visit our flight page for the latest deals!>/a>

Question 13

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

Accepted Answer

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

Question 14

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

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 Seattle with an airline and back to Boston with another airline. <a href='/flight-routes/Boston-Logan-Intl-BOS/Seattle-Tacoma-Intl-SEA'>Visit our flight page for the latest deals!>/a>

Question 15

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

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 Seattle from Boston up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. <a href='/flight-routes/Boston-Logan-Intl-BOS/Seattle-Tacoma-Intl-SEA'>Visit our flight page for the latest deals!>/a>

Question 16

How often are flights from Boston to Seattle delayed?

Accepted Answer

Weekly flights between Boston and Seattle historically see delays in approximately 12% of cases, with the average delay over the past year being 177 minutes.

Question 17

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

Accepted Answer

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

Question 18

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 Friday has typically experienced more delays than other days.

Question 19

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

Accepted Answer

Typically, flights leaving in the morning tend to face fewer delays, whereas flights in the evening have historically encountered delays more often.

Question 20

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

Accepted Answer

There are 4 cabin class options for the route. These are First, Business, Economy and Prem Economy. Perform a search on KAYAK to find the latest prices and availability for all cabin fares, which differ across airlines.

Question 21

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

Accepted Answer

There are 4 cabin class options for the route. These are First, Business, Economy and Prem Economy. Perform a search on KAYAK to find the latest prices and availability for all cabin fares, which differ across airlines.

Question 22

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

Accepted Answer

To get a below average price on the flight from Boston to Seattle, you should book around 2 weeks before departure, which saves you about 32% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 5 weeks before departure.

Question 23

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

Accepted Answer

To get a below average price on the flight from Boston to Seattle, you should book around 2 weeks before departure, which saves you about 32% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 5 weeks before departure.

Question 24

Can I save money by flying with a stopover from Boston to Seattle?

Accepted Answer

Yes, flying with a stopover may cost you more time, but you can also save money on the route, with a 1 stop stopover the cheapest option at £294 on average.

Question 25

Can I save money by flying with a stopover from Boston to Seattle?

Accepted Answer

Yes, flying with a stopover may cost you more time, but you can also save money on the route, with a 1 stop stopover the cheapest option at £294 on average.

Low season	January
High season	July

BOS - SEA

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

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

The cheapest month for flights from Boston to Seattle is January, where tickets cost £178 (return) on average. On the other hand, the most expensive months are August and July, where the average cost of round-trip tickets is £326 and £319 respectively.

Can I save money by flying with a stopover from Boston to Seattle?

Yes, flying with a stopover may cost you more time, but you can also save money on the route, with a 1 stop stopover the cheapest option at £294 on average.

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

To get a below average price on the flight from Boston to Seattle, you should book around 2 weeks before departure, which saves you about 32% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 5 weeks before departure.

Which airlines fly direct between Boston and Seattle?

There is just one airline that flies from Boston to Seattle direct and that is JetBlue. The best return deal found from JetBlue for the route is £304.

How often are flights from Boston to Seattle delayed?

Weekly flights between Boston and Seattle historically see delays in approximately 12% of cases, with the average delay over the past year being 177 minutes.

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

Typically, flights leaving in the morning tend to face fewer delays, whereas flights in the evening 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 Friday has typically experienced more delays than other days.

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

Based on our data, Hainan Airlines 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 Boston and Seattle?

There are 4 cabin class options for the route. These are First, Business, Economy and Prem 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 Boston and Seattle per day?

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

Early birds can take the earliest flight from Boston at 07:00 and will be landing in Seattle at 10:35.

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

If you prefer to fly at night, the latest flight from Boston to Seattle jets off at 19:00 and lands at 22:29.

Expert advice for your flight from Boston to Seattle

Good to know - Cheap tickets from Boston to Seattle

When to book flights from Boston to Seattle

Flights from Boston to Seattle: the best tips from KAYAK users' own experiences

FAQs for booking flights from Boston to Seattle

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

JetBlue, Alaska Airlines, Hawaiian Airlines, American Airlines, and Delta offer inflight Wi-Fi service on the Boston to Seattle flight route.

Which aircraft models fly most regularly from Boston to Seattle?

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

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

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

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

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 Boston to Seattle.

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

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Seattle from Boston 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 Boston to Seattle?

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 Seattle with an airline and back to Boston with another airline.

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

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 Seattle from Boston 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 Boston to Seattle

Prefer to fly direct from Boston to Seattle?

Reviews of the top airline flying from Boston to Seattle

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

Information on your arrival and departure airports

Cabin class types available on flights from Boston to Seattle

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

Find direct flights to and from Boston and Seattle

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Flights from domestic origins to Seattle

Find deals for your return flight