$120+ Cheap flights from Seattle to Boston (SEA - BOS)

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 14 flights from Seattle/Tacoma Intl to Logan Intl, all of which are around 5h 07m 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.

Yes, there are multiple flights from Seattle to Boston for under $200. The cheapest flight booked recently is on Delta for just $197, but on average you can expect to pay $238.

Cheapflights has at least 4 direct flights from Seattle to Boston under $200. A good price for a nonstop flight from Seattle to Boston is less than $523.

There are currently 9+ open flights from Seattle to Boston within the next 7 days for less than $300.

Days when nonstop flights are available for this flight are: Sunday, Monday, Tuesday, Thursday, Friday, Saturday.

Within the past month, 34 users have taken a look at flights from Seattle/Tacoma Intl to Boston Logan Intl.

36 flight departures from Seattle to Boston per day on average.
Morning (6am - Noon) - 58% of flight departures
Afternoon (Noon - 6pm) - 14% of flight departures
Evening (6pm - Midnight) - 28% of flight departures

Airlines like Delta, Alaska Airlines, and JetBlue fly from Seattle to Boston in about 5h 25m. The time it takes to get you to your destination can typically vary by up to 12h 30m. 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.

Our cheapest airline available from Seattle to Boston is Delta. Our recent data shows that you can find tickets from as low as $197 on this airline. Additional options worth looking into are Alaska Airlines and JetBlue, starting at $206 and $207 round-trip. Delta is currently priced 47% below the average price you’ll pay for this route.

For one-way options, check prices for Southwest. According to our data, you can fly for as low as $120. Users have also found prices from $122 and $128 on Spirit Airlines and United Airlines, respectively.

Before booking your flight to Boston from Seattle, check out the most reliable airlines to get you to your destination on time: Scandinavian Airlines (100%), Air France (97%), KLM( 93%).

Looking at all options, your cheapest flight can be booked for $118. While the most popular route (Seattle/Tacoma Intl - Boston Logan Intl) can be booked for $157 on average our data indicates $764 when flying from Seattle to Boston.

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.

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.

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.

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

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

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.

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.

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.

The Seattle to Boston flight deals you see on this page were last updated on 10/24.

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 $311). 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.