Question 1

What days are nonstop flights available from Seattle to Boston?

Accepted Answer

Days when nonstop flights are available for this flight are: Monday, Wednesday, Friday.

Question 2

How popular is this Seattle to Boston flight route?

Accepted Answer

Within the past month, 32 users have taken a look at flights from Seattle/Tacoma Intl to Boston Logan Intl.

Question 3

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

Accepted Answer

7 flight departures from Seattle to Boston per day on average.
Morning (6am - Noon) - 57% of flight departures
Afternoon (Noon - 6pm) - 43% of flight departures

Question 4

How long is the flight from Seattle to Boston?

Accepted Answer

Airlines like Spirit Airlines, Sun Country Air, and American Airlines fly from Seattle to Boston in about 10h 37m. The time it takes to get you to your destination can typically vary by up to 2h 51m. There are 2502 mi between Seattle and Boston. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

Question 5

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

Accepted Answer

Our cheapest airline available from Seattle to Boston is Spirit Airlines. Our recent data shows that you can find tickets from as low as $195 on this airline. Additional options worth looking into are Sun Country Air and American Airlines, starting at $260 and $275 round-trip. Spirit Airlines is currently priced 48% below the average price you’ll pay for this route.

Question 6

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

Accepted Answer

For one-way options, check prices for Spirit Airlines. According to our data, you can fly for as low as $99. Users have also found prices from $142 and $146 on American Airlines and Alaska Airlines, respectively.

Question 7

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

Accepted Answer

Currently, January is the cheapest month in which you can book a flight from Seattle to Boston (average of $218). Flying from Seattle to Boston in July is currently the most expensive (average of $328). 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

$218

February

$220

March

$263

April

$286

May

$275

June

$316

July

$328

August

$285

September

$258

October

$259

November

$258

December

$233

Question 8

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

Accepted Answer

Booking 41 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 at noon when fares are most often at their lowest. Monday at noon 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 5/18.

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 Undisclosed Carrier, American Airlines and Alaska Airlines. Something to consider prior to booking your flight.

Question 12

What are the cheapest flights from Seattle to Boston?

Accepted Answer

Looking at all options, your cheapest flight can be booked for $143. While the most popular route (Seattle/Tacoma Intl - Boston Logan Intl) can be booked for $197 on average our data indicates $813 when flying from Seattle to Boston.

Question 13

What are the most reliable airlines from Seattle to Boston?

Accepted Answer

Before booking your flight to Boston from Seattle, check out the most reliable airlines to get you to your destination on time: EL AL (92%), KLM (91%), China Eastern( 83%).

Question 14

Can I find flights from Seattle to Boston for under $200 on Cheapflights?

Accepted Answer

Yes, there are multiple flights from Seattle to Boston for under $200. The cheapest flight booked recently is on Spirit Airlines for just $195, but on average you can expect to pay $252.

Question 15

Are there nonstop flights from Seattle to Boston for under $400 on Cheapflights?

Accepted Answer

Cheapflights has at least 20 direct flights from Seattle to Boston under $400. A good price for a nonstop flight from Seattle to Boston is less than $414.

Question 16

Are there last-minute flights available from Seattle to Boston for under $300?

Accepted Answer

There are currently 20+ open flights from Seattle to Boston within the next 7 days for less than $300.

Question 17

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

Accepted Answer

Saturday flights are found to be more expensive to fly 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

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 42 days in advance, which can save you up to 43% on flights from Seattle to Boston compared to booking the week you need them. Waiting 42 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $340. For sooner than that we have options available in the next 3 days from $544.

Question 19

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

Accepted Answer

January is one of the best times of the year to fly to Boston from Seattle. Prices for January average $375 per person but you can even find prices for as low as $99. The most expensive prices can be found in the month of July. Opting for a January flight can save you 34% on your journey compared to booking in July

Question 20

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

Accepted Answer

Unlike in the morning, when flights are generally more expensive, you can save up to 24% on flights from Seattle to Boston by exploring options for tickets 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 10m for a nonstop flight. You can also purchase a plane ticket from 8 airlines when you book a flight from Seattle/Tacoma Intl to Boston.

Question 22

Accepted Answer

If you’re traveling from Seattle to Boston, one of the more common airlines traveling that route is Spirit Airlines. Seattle to Boston flights are typically 49% cheaper than other airlines traveling the same route. Flights from Spirit Airlines typically cost $402.40 RT. The cheapest Spirit Airlines flight found for this route was $138. When traveling from Seattle to Boston on Spirit Airlines, the most popular airport to depart from is Seattle/Tacoma Intl Airport and the most popular airport to arrive at is Boston Logan Intl Airport. When flying from Seattle to Boston, Spirit Airlines flights are 8% more popular than any other airline flying that same route.

Question 23

Accepted Answer

Sun Country Air is one of the most popular airlines used for those traveling from Seattle to Boston. Flights on this route from Sun Country Air typically cost $401.20 RT, a price that is 65% more expensive than the average Seattle to Boston flight. The cheapest flight found was $139 RT. The most popular departure airport in Seattle when flying to Boston is Seattle/Tacoma Intl Airport. The most popular airport to fly into when visiting Boston is Boston Logan Intl Airport. When flying from Seattle to Boston, Sun Country Air flights are 8% more popular than any other airline flying that same route.

Question 24

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 25

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 26

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 27

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 28

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 29

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 30

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 31

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 32

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

Accepted Answer

When you search for this flight from Seattle to Boston, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Question 33

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

Accepted Answer

Cheapflights simply makes it quick and affordable to book flights from Seattle to Boston by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Question 34

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

Accepted Answer

Certainly. Search results for flights to Boston from Seattle shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Question 35

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
Spirit Airlines	Cheapest$123	Average$280	FlexibilityNo cancel fee	On-time65%	Search Spirit Airlines flights
JetBlue	Cheapest$133	Average$373	FlexibilityNo cancel fee	On-time62%	Search JetBlue flights
United Airlines	Cheapest$133	Average$336	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Delta	Cheapest$138	Average$402	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
Alaska Airlines	Cheapest$139	Average$401	FlexibilityNo cancel fee	On-time75%	Search Alaska Airlines flights
Sun Country Air	Cheapest$147	Average$367	FlexibilityNo cancel fee	On-time83%	Search Sun Country Air flights
American Airlines	Cheapest$243	Average$411	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights

1%of flight departures	Early morningMidnight to 6 am
48%of flight departures	Morning6 am to noon
37%of flight departures	AfternoonNoon to 6 pm
14%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	July
Cheapest in	January
Round-trip from	$218
One-way from	$143

Cheap flights from Seattle to Boston (SEA - BOS) from $99

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 8/14. 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 January or February, booked 41 days in advance, depart on a Wednesday or Thursday 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 Spirit Airlines flights from Seattle to Boston

Find some of the cheapest Spirit Airlines flights traveling from Seattle to Boston. Make sure to double check the flight details before booking.

Cheap Sun Country Air flights from Seattle to Boston

To aid your search, here are some of the cheapest Sun Country Air flights we've found from Seattle to Boston. Ensure the flight price, dates, time, and airline match your criteria before you book.

Cheap Seattle to Boston flights in May & June 2024

Find cheap flight options from Seattle to Boston specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,634,509 searches. Prices were last updated on May 19, 2024.

These are some of the best deals we've found on flights to Boston in 2024 at this time. If these deals don't appeal to you, be sure to come back soon for more options.

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 2,634,509 searches. Data last updated May 19, 2024.

These are some of the best deals we've found on flights to Boston in 2024 at this time. If these deals don't appeal to you, be sure to come back soon for more options.

Non-stop flights to Boston from Seattle

If you're seeking options on non-stop flights from Seattle to Boston, check out these fares. Users seeking other options on flights from Seattle to Boston should update the search form at the top of the page.

Seattle to Boston flights leaving soon

Users seeking a last-minute flight from Seattle to Boston should consider booking one of these fares. Users should double check the flight they book to ensure it matches the day, time, and destination they're looking for.

One-way flights to Boston from Seattle

Take a look at some of the one-way flights we've detected from Seattle to Boston. Those seeking round-trip flights from Seattle to Boston should utilize the search form at the the top of the page.

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 May 10, 2024.

Booking 41 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 May 12, 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 $115 while a round-trip flight costs $282. Price data was last updated on May 12, 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 May 19, 2024.

Read reviews from past customers who have flown Spirit Airlines, Sun Country Air and American Airlines from Seattle to Boston. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

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 $200 on Cheapflights?

Are there nonstop flights from Seattle to Boston for under $400 on Cheapflights?

Are there last-minute flights available from Seattle to Boston for under $300?

What days are nonstop 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.

Fly from Seattle to Boston on these airlinesChoose from the following airlines for your flight from Seattle to Boston. Flights are based on user searches made on Cheapflights and were last updated on May 19, 2024.

Choose from the following airlines for your flight from Seattle to Boston. Flights are based on user searches made on Cheapflights and were last updated on May 19, 2024.

Top 7 airlines flying from Seattle to Boston

Popular flight searches

Check out other popular destinations found by fellow travelers 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 May 19, 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 May 19, 2024.

Book a flight to one of these trending destinations

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

Fly from Seattle to Boston on these airlines
Choose from the following airlines for your flight from Seattle to Boston. Flights are based on user searches made on Cheapflights and were last updated on May 19, 2024.