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Amazing BOS to SEA Flight Deals

The cheapest flights to Seattle - Tacoma Intl. found within the past 7 days were $186 round trip and $99 one way. Prices and availability subject to change. Additional terms may apply.

Flight Schedule for BOS to SEA

Carrier Flight Depart BOS Arrive SEA Thu
11/26
Fri
11/27
Sat
11/28
Sun
11/29
Mon
11/30
Tue
12/1
Wed
12/2
Stops
AS 25 07:00 am 10:25 am Check fare Check fare Check fare Check fare Check fare Check fare Check fare 0 stop(s)
DL 305 07:16 am 10:39 am Check fare Check fare Check fare Check fare Check fare Check fare Check fare 0 stop(s)
AS 15 05:00 pm 08:30 pm - Check fare Check fare Check fare Check fare Check fare Check fare 0 stop(s)
DL 304 05:15 pm 08:32 pm - - Check fare Check fare Check fare Check fare - 0 stop(s)
B6 2397 07:28 am 10:38 am - - - Check fare Check fare Check fare - 0 stop(s)

FAQs about flights from Logan Intl. Airport (BOS) to Seattle - Tacoma Intl. Airport (SEA)

Are there direct flights from Boston, MA (BOS-Logan Intl.) to Sea-Tac Airport?

Start your trip in the most relaxed way possible and fly straight to Seattle, WA (SEA-Seattle - Tacoma Intl.) from Boston, MA (BOS-Logan Intl.). Alaska Airlines and Delta are among the airlines that offer direct services on this flight route.

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 Seattle, WA (SEA-Seattle - Tacoma Intl.), please visit our Customer Service Portal.

How long is the flight from Boston, MA (BOS-Logan Intl.) to Sea-Tac Airport?

With the flight between Boston and Seattle taking around 6 hours and 52 minutes, there will be time to get things done in the air. Make good use of your trip by bringing that book you've always wanted to read, checking out what's on the in-flight entertainment or taking a nice long nap. You might even find you're able to squeeze in all three before the plane lands.

What is the flight distance from Boston, MA (BOS-Logan Intl.) to Sea-Tac Airport?

The distance from Boston, MA (BOS-Logan Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) is 2,548 mi. Aside from filling your phone with more must-see TV shows, it'll be wise to carry some noise-canceling headphones and a warm jacket as well.

What airlines fly from Boston, MA (BOS-Logan Intl.) to Sea-Tac Airport?

If you're flying to Seattle from Boston, there are a number of airlines with direct flights. One of the most well-known is Alaska Airlines (AS), which operates 76 flights each month. If that's not enough for you, look up the fares on offer from Delta Air Lines (DL). This airline operates 172 flights every month. Between the two, we're sure you'll find the flight that's perfect for you.

What is the best day to buy a plane ticket?

This just in! Airfares offered on Tuesdays tend to be the cheapest, according to flight demand on Travelocity in 2019. Wednesday and Friday prices are also good, but you may want to prepare your budget if booking on a Monday, as data shows the start 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 2019, flights departing on a Tuesday 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 2019 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 1-2 weeks 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 2019 saved nearly 50% when their return flights consisted of two different airlines or fare types.

*According to flight demand on Travelocity.com from January to December 2019. Savings are subject to change based on departure location, date and destination.

Logan Intl. to Seattle - Tacoma Intl. Flight FAQ

Traveling FromLogan Intl.
Traveling ToSeattle - Tacoma Intl.
Shortest Flight Time6 hours 19 mins
Earliest Departure Time7:00AM EST
Latest Departure Time5:00PM EST
Lowest Flight Price$186

Boston to Seattle Carriers and Route Information

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

Popular Flight Routes from Boston (BOS)

Travelers at BOS love to visit these top cities. Roam to the top destinations from Boston (BOS) today with the cheap prices from Travelocity!

Popular Flight Routes from Seattle (SEA)

Travelers at SEA love to visit these top cities. Roam to the top destinations from Seattle(SEA) today with the cheap prices from Travelocity!

*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.