Cheap flights from Seattle to Boston

Choose between Delta Air Lines, United Airlines, or American Airlines to find the best price

Travelers usually depart from Seattle–Tacoma International, Seattle King Street railway station, Seattle, WA - Poly Clinic, Seattle, WA-Harborview Med , or Seattle-Virgin Mason Hospital Greyhound station when they travel from Seattle to Boston. Book your trip to arrive at Logan International, Boston South Station, Boston Back Bay Station, Boston-LAZ parking lot, or Boston, MA - Copley Square. The distance between Seattle and Boston is 4009 km. The most popular airlines for this route are Delta Air Lines, United Airlines, American Airlines, Frontier Airlines, and Alaska Airlines. Seattle and Boston have 198 direct flights per week.

Weekly flights

MondaysTuesdaysWednesdaysThursdaysFridaysSaturdaysSundays
Number of flights45283447-2915

Fly direct with

Delta Air Lines on Mondays, Tuesdays, Wednesdays, Thursdays, Fridays, Saturdays, and Sundays.

Alaska Airlines on Mondays, Tuesdays, Wednesdays, Thursdays, Fridays, Saturdays, and Sundays.

JetBlue Airways on Mondays, Tuesdays, Thursdays, and Sundays.

TAP Portugal on Fridays, and Sundays.

Check-in for a flight from Seattle to Boston

NameCarrier codeIATA CodePassport needed during bookingAirport check-in closesOnline check-in available
Delta Air LinesDALDLYesUnknownNo
United AirlinesUALUAYesUnknownNo
American AirlinesAALAAYesUnknownNo
Frontier AirlinesFFTF9NoUnknownNo
Alaska AirlinesASAASYesUnknownNo

Frequently asked questions

How long does it take to travel from Seattle to Boston?

A one-way nonstop (direct) flight between Seattle and Boston takes around 5.2 hours.

What is the flight distance between Seattle and Boston?

The flight distance between Seattle and Boston is 4009 km.

What airlines offer nonstop (direct) flights between Seattle and Boston?

Several carriers operate flights between Seattle and Boston. Airlines offering nonstop (direct) flights include JetBlue Airways, Delta Air Lines, TAP Portugal, Alaska Airlines.

What are the most popular routes to and from Seattle?

Travelers frequently search for route combinations, such as Seattle and Los Angeles International, McCarran International, Miami International, Orlando International, Fort Lauderdale–Hollywood International, Denver International, Dallas/Fort Worth International, Vancouver International, O Hare International, San Diego International, Philadelphia International.

What are the most popular routes to and from Boston?

Travelers frequently search for route combinations, such as Boston and Newark Liberty International, Orlando International, Fort Lauderdale–Hollywood International, Hartsfield–Jackson Atlanta International, Dallas/Fort Worth International, Tampa International, Baltimore–Washington International, O Hare International, Louis Armstrong New Orleans International, Nashville International, Southwest Florida International.

Which airports are there in Seattle?

Seattle is mainly served by Seattle–Tacoma International. But there are other airports nearby, including Kenmore Air Harbor Seaplane Base, Boeing Field.

What airports are near Seattle?

The main airport in Seattle is Seattle–Tacoma International. It is also served by Portland International, Vancouver International, Bellingham International, Paine Field Everett, Pangborn Memorial, Abbotsford International, Yakima Air Terminal, Vancouver Harbour Flight Centre, Friday Harbor Airport, Kenmore Air Harbor.

What airports are near Boston?

The main airport in Boston is Logan International. It is also served by Logan International, Bradley International, T. F. Green, Albany International, Portland International Jetport, Lebanon Municipal, Rutland–Southern Vermont Regional, Manchester–Boston Regional, Portsmouth International Airport at Pease, Knox County Regional.

What buses and trains depart from Seattle?

A number of bus and train companies depart from Seattle, including Greyhound.

Is it possible to combine flights, buses, and trains in one itinerary when traveling between Seattle and Boston?

What is Virtual Interlining and how do I use it?

Which airlines fly between Seattle and Boston?

When's the best time to travel between Seattle and Boston?

What flights operate between Seattle and Boston?

How many airports are there near Seattle?

How many airports are there near Boston?

Is it possible to reach Seattle by bus or train?

What time do nonstop (direct) flights between Seattle and Boston depart?

What time do nonstop (direct) flights between Seattle and Boston arrive?

What time do flights between Seattle and Boston depart?

What time do flights between Seattle and Boston arrive?

Planning a trip? Thanks to our Virtual Interlining algorithm, we offer billions of route combinations between any A and any B in the world by plane, train, and bus. Find the cheapest routes and best deals for you, as well as the best dates on which to travel.

Find the best connection from Seattle to Boston

Search, compare, and book flights, trains, or buses to get there.

Search flights, trains & buses