Search & Compare - Boston to Seattle Flights & Tickets

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Cheap flights from Boston to Seattle (BOS to 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.

Recent airfare deals on Boston to Seattle

Southwest Airlines  WN
Southwest Airlines
Boston
2024-11-25
Seattle
USD 107

One-way WN Economy fare found on 2024-11-17
Southwest Airlines  WN
Southwest Airlines
Boston
2024-11-25
Seattle
USD 107

One-way WN Economy fare found on 2024-11-17
Southwest Airlines  WN
Southwest Airlines
Boston
2024-11-26
Seattle
USD 111

One-way WN Economy fare found on 2024-11-17
Southwest Airlines  WN
Southwest Airlines
Boston
2024-11-25
Seattle
USD 111

One-way WN Economy fare found on 2024-11-17
Southwest Airlines  WN
Southwest Airlines
Boston
2024-11-25
Seattle
USD 111

One-way WN Economy fare found on 2024-11-17
Southwest Airlines  WN
Southwest Airlines
Boston
2024-11-26
Seattle
USD 111

One-way WN Economy fare found on 2024-11-17
Alaska Airlines  AS
Alaska Airlines
Boston
2024-11-26
Seattle
USD 118

One-way AS Nonstop Economy fare found on 2024-11-18
Alaska Airlines  AS
Alaska Airlines
Boston
2024-11-26
Seattle
USD 118

One-way AS Nonstop Economy fare found on 2024-11-17
Alaska Airlines  AS
Alaska Airlines
Boston
2024-11-26
Seattle
USD 118

One-way AS Nonstop Economy fare found on 2024-11-17
Alaska Airlines  AS
Alaska Airlines
Boston
2024-11-26
Seattle
USD 118

One-way AS Nonstop Economy fare found on 2024-11-18


*Prices are per person and are for e-tickets and include all taxes & fees in USD.
*Fareleaders always attempts to get accurate pricing, however, prices are not guaranteed.
*Fareleaders is not seller, we aggregate tones of data for you from other online travel agencies and external sources.

Facts to know while booking flights from Boston to Seattle

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 American Airlines, JetBlue Airways, Southwest Airlines, United Airlines, Alaska Airlines, Delta Airlines
Can I fly from BOS to SEA non-stop?
Yes, you can fly BOS to SEA non-stop on American Airlines, JetBlue Airways, Alaska Airlines, Delta Airlines
Which airlines fly nonstop between Boston and Seattle?
The non-stop flights between Boston and Seattle are American Airlines, JetBlue Airways, Alaska Airlines, Delta Airlines.
What’s the earliest departure time from BOS to SEA Airport?
The earliest flight leaves BOS at 5:31 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?
Oneworld, NULL, NULL, Star Alliance, Oneworld, SkyTeam 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 Southwest Airlines : USD 107
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 7:59 pm

Flights from Boston to Seattle

Origin AirportLogan International, Boston, US
Destination AirportSeattle Tacoma International , Seattle, US
Served by AirlinesAmerican Airlines, JetBlue Airways, Southwest Airlines, United Airlines, Alaska Airlines, Delta Airlines
Lowest PriceSouthwest Airlines : USD 107
Distance2496 miles

Airlines Flying from Logan International

Popular Routes

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