$79 Cheap Flights from Boston to Seattle

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Find The Best Dates To Fly from Logan Intl. to Seattle - Tacoma Intl.

Amazing BOS to SEA Flight Deals

The cheapest flights to Seattle - Tacoma Intl. found within the past 7 days were $152 round trip and $79 one way. Prices and availability subject to change. Additional terms may apply.

Flight Schedule for BOS to SEA

CarrierFlightDepart BOSArrive SEAThu
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Stops
AS2507:00 am10:40 amCheck FareCheck FareCheck FareCheck FareCheck FareCheck FareCheck Fare
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DL34107:20 am10:44 amCheck FareCheck FareCheck FareCheck FareCheck FareCheck FareCheck Fare
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AS1505:30 pm09:00 pmCheck FareCheck Fare
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DL31805:35 pm09:01 pmCheck FareCheck FareCheck FareCheck FareCheck FareCheck FareCheck Fare
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B619706:15 pm09:37 pmCheck FareCheck FareCheck FareCheck Fare
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AS1707:16 pm10:46 pm
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Best Seattle - Tacoma Intl. Flight and Hotel Packages

Seattle - Tacoma Intl. flight + hotel packages - economy flights

The Oxford by Kasa
Kimpton Hotel Vintage Seattle, an IHG Hotel
Embassy Suites by Hilton Seattle Downtown Pioneer Square
Lotte Hotel Seattle
The Alexis Royal Sonesta Hotel Seattle
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FAQs about flights from Logan Intl. Airport (BOS) to Seattle - Tacoma Intl. Airport (SEA)

Can I catch a flight from Boston, MA Airport (BOS-Logan Intl.) to Seattle, WA Airport (SEA-Seattle - Tacoma Intl.) right now?

Make sure you check out our Covid-19 Travel Advisor to find out if there are any present travel advice reports or quarantine requirements in place in Seattle, WA Airport (SEA-Seattle - Tacoma Intl.) when flying from Boston, MA Airport (BOS-Logan Intl.).

Are there direct flights from Logan Intl. Airport to Seattle - Tacoma Intl. Airport (SEA)?

Sometimes, travel is all about the journey; sometimes the magic is in the destination. But if you just want to get to where you're going fast, multiple airlines have direct flights from BOS to Seattle, WA Airport (SEA-Seattle - Tacoma Intl.), including Alaska Airlines and Delta.

If I am not able to travel due to COVID-19, can I change my booking to a later date?

For more info about changing your flight to SEA, please visit our Customer Service Portal.

How long is the flight from BOS to SEA?

It takes approximately 6 hours and 15 minutes to jet from Logan Intl. Airport (BOS) to Seattle - Tacoma Intl. Airport (SEA). You'll be in your seat for a while, so entertain yourself with a movie or get stuck into the airway's magazines.

What is the flight distance from Logan Intl. Airport to Sea-Tac Airport?

From Logan Intl. Airport to Seattle, WA Airport (SEA-Seattle - Tacoma Intl.), the flight distance is 2,485 mi. So, it'll be smart to have a range of entertainment options. Movies, audio books, Sudoku puzzles ... whatever you enjoy. If you're adequately prepared, it won't feel like too long before you hear the announcement for landing.

What airlines fly from Logan Intl. Airport (BOS) to Seattle - Tacoma Intl. Airport (SEA)?

There are a couple of airlines advertising direct flights from Logan Intl. Airport to SEA. Alaska Airlines (AS) is one of the most reputable, operating around 112 flights each month. If you'd like more options, check out the deals on offer from Delta (DL). This airline operates 152 flights on the Boston to Seattle route each month. Between the two, there's no doubt you'll find the flight to suit your travel plans.

What airlines have practices regarding COVID-19 in place and use social distancing?

From the moment you enter the departure terminal to when you leave the arrivals terminal, if you're flying with Alaska Airlines, Delta or Southwest Airlines you can be sure that COVID-19 measures and social distancing rules have been adhered to. Many airlines have introduced capped capacity flights and keeping the middle seat empty.

What is the best day to buy a plane ticket?

This just in! Airfares offered on Thursdays tend to be the cheapest, according to flight demand on Travelocity in 2020. Wednesday and Friday prices are also good, but you may want to prepare your budget if booking on a Sunday, as data shows the end of the week is when prices are generally at their highest.

What are the cheapest days to fly?

Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2020, flights departing on a Monday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.

How far in advance can you book a flight?

Trying to figure out how early you should book your flight? It's possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2020 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 2 weeks to 2 months prior to their travel dates.

How can I save money on airline tickets?

We'll let you in on a secret...You can save big on flights if you mix and match your airlines and fare types. In fact, travelers who booked flights on Travelocity in 2020 saved nearly 40% when their return flights consisted of two different airlines or fare types.

*According to flight demand on Travelocity.com from January to December 2020. Savings are subject to change based on departure location, date and destination.

 

Traveling From Logan Intl.
Traveling To Seattle - Tacoma Intl.
Shortest Flight Time 6 hours 30 mins
Earliest Departure Time 7:00AM EST
Latest Departure Time 5:35PM EST
Lowest Flight Price $152

Route Info

Flight path for flights from Logan International Airport to Seattle-Tacoma International Airport

Distance:
2,502.00 miles

Airlines & Aircraft Used on BOS to SEA Flight Routes

Airline Carrier
Aircraft
American Airlines
Airbus A319
American Airlines
Airbus A320-100/200
Delta Air Lines
Aerospatiale/Alenia ATR 42/ ATR 72
Jet Airways (India)
Airbus A320-100/200
JetBlue Airways
Boeing 737-800 pax
United Airlines
Airbus A319
United Airlines
Airbus A320-100/200

Discover our best flights from Boston BOS to Seattle SEA. 

With 17 airlines to choose from on Travelocity, you can easily find the best option for you. Use our filters to sort by price, compare airlines, and find the most convenient flight times. 

 

Find our best return flights from Boston BOS to Seattle SEA at the right price  

Airfares to Seattle SEA from Boston BOS currently cost between $152 and $181. It’s usually cheaper to book a round trip than two separate one-way flights. Prices and availability subject to change. Additional terms may apply. 

 

Book one-way flights from Boston BOS to Seattle SEA 

If you want to be flexible about when you return, or keep your travel options open ended, a one-way flight could be just the ticket! You’ll find one-way airfares from Boston BOS to Seattle SEA on Travelocity starting at $79. Prices and availability subject to change. Additional terms may apply. 

 

Get to Seattle SEA from Boston BOS quicker with direct flights. 

Get to Seattle faster, without the hassle of changing planes and moving baggage, by booking a direct flight. Expect your direct flight to SEA from BOS to take around 6 hour(s) 30 min(s).  

 

Find our cheapest airfares for flights from Boston BOS to Seattle SEA

Find cheap flight deals by using our search filters to sort results starting with the lowest price airfares to SEA from BOS. Our Price Match Promise means if you find a lower rate on Travelocity.com or on another US-based website within 24 hours of booking, we’ll credit or refund the difference.  

 

Get our best airfare deals for your flight from Boston BOS to Seattle SEA today 

If you’re flexible about when you travel, January is usually the cheapest month to fly from Boston BOS to Seattle SEA. If you need to be more specific, search by date and arrival and departure times.Then, compare prices across different airlines, and sort results by lowest price first. 

 

Book flexible airline tickets for flights to Seattle SEA from Boston BOS 

Some airlines let you change your travel dates without charging a fee. Use our ‘no change fee’ filter to see which flights to SEA from BOS have this option.  

 

Travel with confidence when you book flights to Seattle SEA from Boston BOS with Travelocity 

We’ve secured fantastic deals with all the main airline carriers and it’s easy to compare, choose, and book with Travelocity. With 24/7 customer service and our free 'App', we’ll always keep you moving. 

*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.