Question 1

What days are direct flights available from Seattle to Boston?

Accepted Answer

You can find direct flights on the following days: Sunday, Monday, Tuesday, Wednesday, Friday, Saturday.

Question 2

How popular is this Seattle to Boston flight route?

Accepted Answer

The Seattle/Tacoma Intl to Boston Logan Intl flight path was viewed by 50 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

Question 3

How many flights depart from Seattle to Boston on average per day?

Accepted Answer

25 flight departures from Seattle to Boston per day on average.
Morning (6am - Midday) - 44% of flight departures
Afternoon (Noon - 6pm) - 28% of flight departures
Evening (6pm - Midnight) - 28% of flight departures

Question 4

How long is the flight from Seattle to Boston?

Accepted Answer

There are many flights that can get you from Seattle to Boston in 5h 29m. Fly via Delta, Sun Country Air, or JetBlue to get the fastest option. The distance from Seattle to Boston is about 4027 km. This flight may include one or multiple stops.

Question 5

What are the cheapest airlines flying from Seattle to Boston round-trip?

Accepted Answer

Delta, at C$ 427, was found to be the cheapest airline from Seattle to Boston.Alternate airlines to your destination round-trip include Sun Country Air and JetBlue. You may be able to fly from Seattle to Boston for 14% less than the average price by searching for these airlines.

Question 6

What are the cheapest airlines to fly from Seattle to Boston one-way?

Accepted Answer

The cheapest airline one-way is American Airlines, with whom users have recently found tickets for as low as C$ 174. However, be on the lookout for offers from JetBlue and Delta, as they are both options that can get you from Seattle to Boston for a low price.

Question 7

E

Accepted Answer

Currently, January is the cheapest month in which you can book a flight from Seattle to Boston (average of C$ 277). Flying from Seattle to Boston in August is currently the most expensive (average of C$ 366). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

January

C$ 379

February

C$ 410

March

C$ 419

April

C$ 417

May

C$ 395

June

C$ 471

July

C$ 453

August

C$ 501

September

C$ 439

October

C$ 432

November

C$ 436

December

C$ 393

Question 8

When is the best time to book a flight from Seattle to Boston?

Accepted Answer

Booking 14 days in advance of your planned departure date is, on average, the best time to get cheap flights from Seattle to Boston. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

Question 9

When is the cheapest time to fly from Seattle to Boston?

Accepted Answer

Travelers seeking maximum savings on their Seattle to Boston flight should consider departing on Wednesday mornings when fares are most often at their lowest. Saturday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Question 10

How recently were the Seattle to Boston flight deals updated?

Accepted Answer

The Seattle to Boston flight deals you see on this page were last updated on 26/4.

Question 11

What are the most popular airlines that fly from Seattle to Boston?

Accepted Answer

The most popular airlines flying from Seattle to Boston are Endeavor Airlines, Alaska Airlines and JetBlue. Something to consider prior to booking your flight.

Question 12

What are the cheapest flights from Seattle to Boston?

Accepted Answer

While on average a flight from Seattle to Boston is generally C$ 495, our data shows the cheapest flight currently is C$ 196. When looking at the most popular route, (Seattle/Tacoma Intl - Boston Logan Intl), you can expect to pay C$ 346 for that flight.

Question 13

What are the most reliable airlines from Seattle to Boston?

Accepted Answer

Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Seattle to Boston on time: JetBlue (85%), Hawaiian Airlines (85%), China Eastern (82%).

Question 14

Can I find flights from Seattle to Boston for under C$ 500 on Cheapflights?

Accepted Answer

Yes, there are multiple flights from Seattle to Boston for under C$ 500. The cheapest flight booked recently is on Delta for just C$ 427, but on average you can expect to pay C$ 465.

Question 15

Are there direct flights from Seattle to Boston for under C$ 500 on Cheapflights?

Accepted Answer

Cheapflights has 20 direct flights from Seattle to Boston under C$ 500. A good price for a direct flight from Seattle to Boston is less than C$ 517.

Question 16

Are there last-minute flights available from Seattle to Boston for under C$ 500?

Accepted Answer

There are currently 20+ open flights from Seattle to Boston within the next 7 days for less than C$ 500.

Question 17

What is the cheapest day to fly round-trip from Seattle to Boston?

Accepted Answer

Friday flights are generally found to be more expensive for flights from Seattle to Boston. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Boston.

Question 18

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

Accepted Answer

To save up to 60% on this flight, we recommend booking at least 15 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Seattle to Boston from C$ 490 1-2 weeks out and tickets from C$ 627 for flights departing within the next 72 hours.

Question 19

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

Accepted Answer

Due to multiple factors, expect to potentially pay more when booking in June. For low rates, February can be a great choice for travel to Boston. Flights to Boston from Seattle in February are about C$ 501 on average during February, but can be found for as low as C$ 149.

Question 20

When is the cheapest time to fly from Seattle to Boston (SEA - BOS)?

Accepted Answer

A simple way to save on the total cost of your ticket is to fly from Seattle to Boston in the morning. If you’re flexible enough to do this you can expect to save up to 19% on your trip compared to booking a flight in the afternoon.

Question 21

What airports do I use to fly from Seattle to Boston?

Accepted Answer

Booking a flight from Seattle/Tacoma Intl (SEA) to Boston Logan Intl (BOS) is your only option if you wish to fly from Seattle to Boston. On a typical day, there are 22 flights from Seattle/Tacoma Intl to Logan Intl, all of which are around 5h 23m for a nonstop flight. You can also purchase a plane ticket from 4 airlines when you book a flight from Seattle/Tacoma Intl to Boston.

Question 22

What does SEA to BOS mean?

Accepted Answer

This is defined as Seattle/Tacoma Intl Airport (SEA) and Boston Logan Intl Airport (BOS). Codes like Boston Logan Intl Airport are often used to just call airports uniquely.

Question 23

Can I find deals for flights from Seattle to Boston that include extra baggage allowance?

Accepted Answer

The amount of baggage you can bring on your Seattle to Boston flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

Question 24

Can I find deals on flights from Seattle to Boston with specific airlines?

Accepted Answer

Yes, Cheapflights allows you to browse and filter Seattle to Boston flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

Question 25

Can I find deals for flights from Seattle to Boston that include hotel bookings?

Accepted Answer

Yes. In addition to deals on Seattle to Boston flights, Cheapflights offers vacation packages that include both flights and hotel.

Question 26

How can I find direct flights from Seattle to Boston?

Accepted Answer

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Boston.

Question 27

Can I find deals for business class flights from Seattle to Boston?

Accepted Answer

Yes. Cheapflights offers flight deals from Seattle to Boston by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Question 28

Can I find deals for flights from Seattle to Boston that allow pets onboard?

Accepted Answer

Many airlines flying from Seattle to Boston offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

Question 29

Can I find deals on last-minute flights from Seattle to Boston?

Accepted Answer

Yes, you can often find last-minute deals on Seattle to Boston flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

Question 30

How does Cheapflights help users find flights from Seattle to Boston?

Accepted Answer

Cheapflights helps you search for flights from Seattle to Boston via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Question 31

Why should you use Cheapflights to find cheap flight tickets from Seattle to Boston?

Accepted Answer

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Seattle to Boston.

Question 32

Can Cheapflights find flights from Seattle to Boston with no change fees?

Accepted Answer

Yes! Cheapflights helps users easily find flights from Seattle to Boston with no change fees.

Question 33

Can Cheapflights notify me if prices for flights from Seattle to Boston become cheaper?

Accepted Answer

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Boston from Seattle today and book when prices fit your budget.

Airline	Cheapest	Average	Flexibility	On-time
Delta	CheapestC$ 163	AverageC$ 327	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
Alaska Airlines	CheapestC$ 163	AverageC$ 470	FlexibilityNo cancel fee	On-time75%	Search Alaska Airlines flights
JetBlue	CheapestC$ 168	AverageC$ 389	FlexibilityNo cancel fee	On-time62%	Search JetBlue flights
Endeavor Airlines	CheapestC$ 560	AverageC$ 569	FlexibilityNo cancel fee	On-timeN/A	Search Endeavor Airlines flights

1%of flight departures	Early morningMidnight to 6 am
37%of flight departures	Morning6 am to noon
32%of flight departures	AfternoonNoon to 6 pm
30%of flight departures	Evening6 pm to midnight

Sunday	21daily flights
Monday	23daily flights
Tuesday	23daily flights
Wednesday	22daily flights
Thursday	24daily flights
Friday	22daily flights
Saturday	20daily flights

Popular in	June
Cheapest in	February
Round-trip from	C$ 379
One-way from	C$ 174

Cheap flights from Seattle to Boston from C$ 174

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/5. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.

The best prices from Seattle/Tacoma Intl to Boston Logan Intl are usually found in February or January, booked 14 days in advance, depart on a Sunday or Monday and return on a Wednesday

Cheap flight deals from Seattle to Boston

Popular in

Cheapest in

Round-trip from

One-way from

What is the cheapest day to fly round-trip from Seattle to Boston?

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

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

When is the cheapest time to fly from Seattle to Boston (SEA - BOS)?

Cheap Alaska Airlines flights from Seattle to Boston

Take a look at some of the lowest-priced Alaska Airlines flights heading from Seattle to Boston. Be sure to come back soon if the deals available don't appeal to you at this time.

Cheap Spirit Airlines flights from Seattle to Boston

Some of the best deals we've found on Spirit Airlines flights travelling from Seattle to Boston. Make sure to examine the flight information before completing your reservation.

Cheap Seattle to Boston flights in April & May 2024

Find cheap flight options from Seattle to Boston specifically for the months of April and May 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 508,915 searches. Prices were last updated on 26 April 2024.

Listed are some of the best fares we've found on flights departing from Seattle to Boston in 2024. Check back regularly for other flight deals.

Seattle to Boston 2024 flight deals

Discover exclusive flight deals for travel between Seattle and Boston in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 508,915 searches. Data last updated 26 April 2024.

Listed are some of the best fares we've found on flights departing from Seattle to Boston in 2024. Check back regularly for other flight deals.

Direct flights to Boston from Seattle

Consider booking one of these non-stop flights heading from Seattle to Boston. Users can also choose from other Seattle to Boston flights by using the search form above.

Seattle to Boston flights leaving soon

Check out these flights departing soon from Seattle to Boston. To prevent any unwanted surprises, users should verify their flight info before booking.

One-way flights to Boston from Seattle

Users in need of a one-way flight from Seattle to Boston can choose from these deals. Those needing a return flight from Seattle to Boston can use the search form above.

Find flights from Seattle to Boston within your budget

When is the best time to book a flight from Seattle to Boston?

Use this chart to determine the optimal time to book a round-trip flight from Seattle to Boston. Price data was last updated on 28 January 2024.

Booking 14 days in advance of your planned departure date is, on average, the best time to get cheap flights from Seattle to Boston. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

When is the cheapest time to fly from Seattle to Boston?

Use this chart to determine the cheapest time to fly round-trip from Seattle to Boston. Price data was last updated on 21 April 2024.

Average price of flights to Boston by month

Plan your trip from Seattle to Boston by taking into account the cheapest months to travel. The average price of a one-way flight from Seattle to Boston is currently C$ 229 while a round-trip flight costs C$ 456. Price data was last updated on 21 April 2024.

Temperature and rainfall in Boston by month

Plan your trip to Boston by taking into account the average temperature and rainfall totals by month.

Reviews of airlines servicing Boston

Get insights into the airlines that provide service to Boston. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Boston. Reviews last updated 26 April 2024.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Boston. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airports do I use to fly from Seattle to Boston?

Can I find flights from Seattle to Boston for under C$ 500 on Cheapflights?

Are there direct flights from Seattle to Boston for under C$ 500 on Cheapflights?

Are there last-minute flights available from Seattle to Boston for under C$ 500?

What days are direct flights available from Seattle to Boston?

How popular is this Seattle to Boston flight route?

How many flights depart from Seattle to Boston on average per day?

How long is the flight from Seattle to Boston?

What are the cheapest airlines flying from Seattle to Boston round-trip?

What are the cheapest airlines to fly from Seattle to Boston one-way?

What are the most popular airlines that fly from Seattle to Boston?

What are the most reliable airlines from Seattle to Boston?

What are the cheapest flights from Seattle to Boston?

What does SEA to BOS mean?

Can I find deals for flights from Seattle to Boston that include extra baggage allowance?

Can I find deals on flights from Seattle to Boston with specific airlines?

Can I find deals for flights from Seattle to Boston that include hotel bookings?

How can I find direct flights from Seattle to Boston?

Can I find deals for business class flights from Seattle to Boston?

Can I find deals for flights from Seattle to Boston that allow pets onboard?

Can I find deals on last-minute flights from Seattle to Boston?

How recently were the Seattle to Boston flight deals updated?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Other flights to BostonExplore flights to Boston departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 26 April 2024.

Explore flights to Boston departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 26 April 2024.

Top 4 airlines flying from Seattle to Boston

Popular flight searches

Check out other popular destinations found by fellow travellers in 2024

Search flights from Seattle to Boston by cabin class

Find flights from Seattle to Boston, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Hourly flight availability from Seattle to Boston

Find hourly flight availability from Seattle to Boston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 26 April 2024.

Weekly flight availability from Seattle to Boston

Explore weekly flight availability from Seattle to Boston. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 26 April 2024.

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User searches for flights to these destinations increased 20% or more in the past 90 days compared to other destinations

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Other flights to Boston
Explore flights to Boston departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 26 April 2024.