Find Flights from Boston to Seattle (BOS - SEA)

Good to Know: BOS to SEA Flights

Useful information for finding cheap flights from Logan International to Seattle Tacoma International and booking your next trip

Cheapest Round Trip Flight

$466

B6 JetBlue Airways • 1 stop • 12h 24m

Aug 10 – Aug 14

The cheapest round trip flight from Logan International to Seattle Tacoma International is currently $466

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Cheapest Direct Flight

$416

DL Delta Airlines • nonstop • 10h 26m

Aug 10

The cheapest nonstop flight from Logan International to Seattle Tacoma International is currently $416

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Fastest Flight

10h 18m

The fastest nonstop flight from Logan International to Seattle Tacoma International takes 10h 18m

Best Flight Deals from Boston to Seattle

Explore the lowest round-trip fares from Boston to Seattle. We've compared hundreds of airlines and travel sites so you don't have to.

Aug 10 - Aug 14, Economy
B6
Boston → Seattle
12h 24m
8:40 AM - 8:10 PM • 1 stop
AA
Boston → Seattle
10h 40m
10:50 PM - 12:11 PM • 1 stop
$466
JetBlue Airways
Aug 10 - Aug 14, Economy
B6
Boston → Seattle
12h 28m
8:40 AM - 10:22 PM • 1 stop
HA
Boston → Seattle
13h 55m
7:00 AM - 7:30 AM • 1 stop
$470
JetBlue Airways
Aug 10 - Aug 14, Economy
B6
Boston → Seattle
12h 28m
8:40 AM - 10:22 PM • 1 stop
DL
Boston → Seattle
8h 45m
3:55 PM - 12:20 AM • nonstop
$476
JetBlue Airways
Aug 10 - Aug 14, Economy
B6
Boston → Seattle
12h 7m
8:40 AM - 4:08 PM • 1 stop
DL
Boston → Seattle
8h 45m
10:05 PM - 6:30 AM • nonstop
$476
JetBlue Airways
Aug 10 - Aug 14, Economy
B6
Boston → Seattle
13h 59m
8:40 AM - 11:02 PM • 2 stops
DL
Boston → Seattle
8h 45m
10:05 PM - 6:30 AM • nonstop
$481
JetBlue Airways
Aug 10 - Aug 14, Economy
B6
Boston → Seattle
13h 59m
8:40 AM - 11:02 PM • 2 stops
HA
Boston → Seattle
10h 34m
5:54 PM - 10:29 AM • 1 stop
$483
JetBlue Airways

Compare & Book Cheapest Flights from Boston to Seattle (BOS - SEA)

Looking for a cheap last-minute deal or the best round-trip flight from Boston to Seattle? Find the biggest savings on one-way and round-trip tickets right here.

FAQs on Boston to Seattle Flights

What are the airports in Boston?
BOS
What’s the most popular airline flying from BOS to SEA?
The most popular airline flying from Boston to Seattle are
Can I fly from BOS to SEA non-stop?
Yes, you can fly BOS to SEA non-stop on
Which airlines fly nonstop between Boston and Seattle?
The non-stop flights between Boston and Seattle are .
What’s the earliest departure time from BOS to SEA Airport?
The earliest flight leaves BOS at 7:00 am and lands in SEA - Seattle Tacoma International
What are the airports in Seattle?
SEA
Can I make changes to my Boston to Seattle flight tickets or cancel them on FareLeaders.com?
No. We are an airfare comparison site. All the tickets are booked by the travel agent offering the flight deal and any changes or cancellations to be made are directly done directly by them or the airlines.
Can I cancel my flight tickets from BOS to SEA?
Read the fare rules of the Boston to Seattle air tickets booked. Some airlines allow you to cancel the tickets within a stipulated time period with a cancellation fee.
Which airline alliances offer flights from Boston and Seattle?
operate flights between Boston and Seattle
How long does a flight from Boston to Seattle take?
It takes approximately 6 hour to fly non-stop from BOS to SEA, which is 2495.68 miles by air.
Which airlines provide the cheapest flights from Boston (BOS) to Seattle (SEA) ?
In the past couple of days, the cheapest tickets to SEA from BOS were found on ('B6') : USD 483
Do I need a passport to fly between BOS and SEA?
No
What’s the latest departure time from BOS to SEA ?
The last flight leaves BOS at 6:50 pm

Flights from Boston to Seattle

Origin Airport Logan International, Boston, US
Destination Airport Seattle Tacoma International , Seattle, US
Distance miles

Popular Airlines

Southwest Airlines-WN
Delta Airline, DL
United Airlines, UA
Sun Country Airlines (SY)
American Airlines, AA
Hawaiian Airlines-HA
Alaska Airlines -AS

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