SEA to BOS (Seattle to Boston) Flights

Last Minute Flights from SEA to BOS

Price found within the past 7 days for the specified period. Click for updated prices.

Cheapest SEA to BOS Flights

Price found within the past 7 days for the specified period. Click for updated prices.

OriginDestinationTravel DatesFlights From*
SEABostonMay 5 to May 8$272
SEABostonMay 1 to May 12$277
SEABostonSeptember 19 to September 29$277
SEABostonMay 9 to May 19$283
SEABostonMay 9 to May 13$287
*Prices include taxes and fees
SEA to BOS Flight Details
Origin airport
Seattle - Tacoma Intl.
Origin airport IATA code
SEA
Destination airport
Logan Intl.
Destination airport IATA code
BOS
Distance
2487 mi

Frequently asked questions

What airlines fly direct from Sea-Tac Airport to Logan Intl. Airport?
If you'd love to get your escape underway pronto, reserve a seat with Alaska Airlines (AS). It has 113 nonstop flights from Sea-Tac Airport to Logan Intl. Airport (BOS) each month. Delta Air Lines (DL) will also whisk you away to Logan Intl. Airport (BOS) without any annoying stopovers. Browse the deals on its 86 monthly flights that are nonstop.
How many flights are there from SEA to BOS?
There are no less than 7 flights every day from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Boston, MA (BOS-Logan Intl.), so you have ample opportunities to get to Boston. Just pick out a date that fits with your plans and secure your airfare.
How long does it take to fly from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Boston, MA (BOS-Logan Intl.)?
Seattle, WA (SEA-Seattle - Tacoma Intl.) to Boston, MA (BOS-Logan Intl.) takes about 5 hours and 25 minutes. That's the perfect length of time to binge-watch a blockbuster new series, get engrossed in a podcast or settle back and have a snooze.
What is the flight distance from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Boston, MA (BOS-Logan Intl.)?
It's 2,500 miles (4,000 1) from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Boston, MA (BOS-Logan Intl.). Make time go by quickly on this long-haul trip by carrying a well-charged smartphone or tablet full of entertainment.
How many morning flights are there from SEA to BOS?
There are no less than 19 morning flights from SEA to BOS every week. Alaska Airlines (AS) operates about 12 weekly services that depart before midday. The first one leaves at 7:00AM.
How many afternoon flights are there from SEA to BOS?
Say no to the early morning check in and book one of the 34 weekly afternoon and evening flights from SEA to BOS. Afternoon and evening services available with Alaska Airlines (AS) jet off from 4:25AM. Overall, this airline offers 14 weekly flights that depart after midday.
What is the earliest departure time out of SeaTac to Boston?
7:00AM is the first departure out of SEA, landing at BOS at 12:26PM. Save precious minutes in the morning by having your bags zipped up and ready to be thrown into your rideshare.
What is the latest departure time out of SeaTac to Boston?
From SEA, the last flight leaves at 10:40PM and lands at 4:00AM at BOS. If you don't do early starts, this flight has your name on it.
What is the average price from SeaTac to Boston?
Round-trip flights from SEA to BOS start at around $272. Book your trip today and score a sensational deal. This price was available on Flights.com within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

Seattle to Boston Flights

Whether it’s for an obligation or the sake of your sanity, sometimes you need to get away. Maybe you need flights from Seattle to Boston to attend your cousin’s wedding, to pitch a business idea to your boss, or simply treat yourself to a mini vacation. Regardless of the reasons behind packing your bags and needing to find our cheapest flights from SEA to BOS, we’ve got you covered here at Flights.com.

We present you with some of the most affordable deals on airfare, so stop that Google flights search. We want you to spend less on your flight from Seattle to Boston, so you can spend more during your getaway. With Flights.com, you’ll find it simple to land airline tickets with itineraries matching your travel schedule. What’s more, we provide you with all the information you need to confidently make reservations on your family, business, or personal trip.

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