
Popular airlines from Seattle-Tacoma International Airport (SEA) to Logan International Airport (BOS)
- Alaska Airlines
Alaska Airlines
- Sun Country Airlines
Sun Country Airlines
- Delta
Delta
- American Airlines
American Airlines
- United
United
- Southwest Airlines
Southwest Airlines
- JetBlue Airways
JetBlue Airways
Be in the know
Get alerts if flight prices drop or rise*
Book smarter
Save up to 15% on select hotels after you book a flight*
Cheap flights from Seattle to Boston (SEA-BOS)
Prices were available within the past 7 days and start at €101 for one-way flights and €202 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, 14 Nov - Thu, 20 Nov
SEA
Seattle
BOS
Boston
€202 Return, found 1 day ago
€202
Return
found 1 day ago

Fri, 14 Nov - Thu, 20 Nov
SEA
Seattle
BOS
Boston
€211 Return, found 1 day ago
€211
Return
found 1 day ago

Fri, 14 Nov - Thu, 20 Nov
SEA
Seattle
BOS
Boston
€219 Return, found 1 day ago
€219
Return
found 1 day ago

Fri, 14 Nov - Thu, 20 Nov
SEA
Seattle
BOS
Boston
€242 Return, found 1 day ago
€242
Return
found 1 day ago

Fri, 14 Nov - Thu, 20 Nov
SEA
Seattle
BOS
Boston
€244 Return, found 1 day ago
€244
Return
found 1 day ago

Fri, 14 Nov - Thu, 20 Nov
SEA
Seattle
BOS
Boston
€250 Return, found 1 day ago
€250
Return
found 1 day ago

Fri, 14 Nov - Thu, 20 Nov
SEA
Seattle
BOS
Boston
€251 Return, found 1 day ago
€251
Return
found 1 day ago

Fri, 14 Nov - Thu, 20 Nov
SEA
Seattle
BOS
Boston
€253 Return, found 1 day ago
€253
Return
found 1 day ago

Fri, 14 Nov - Thu, 20 Nov
SEA
Seattle
BOS
Boston
€254 Return, found 1 day ago
€254
Return
found 1 day ago

Fri, 14 Nov - Thu, 20 Nov
SEA
Seattle
BOS
Boston
€257 Return, found 1 day ago
€257
Return
found 1 day ago
Find the cheapest month to fly from Seattle (SEA) to Boston (BOS)
March is typically the cheapest month to fly
From €133 - €270 per traveller.
Origin airport | Seattle - Tacoma Intl. |
---|---|
Destination airport | Logan Intl. |
Airlines serving | American Airlines, Delta, United |
Return price | €202 |
Distance | 3980 km |
Average flight time | 8 hours 32 mins |
Perfect flights from Seattle to Boston
Embark on an unforgettable journey without breaking the bank with Expedia's incredible deals on cheap flights from Seattle to Boston. Whether you're aching for a romantic escape with your partner, craving an adventurous solo expedition, or yearning to immerse yourself in the local history and culture, we've got you covered.
Picture yourself strolling through the streets of , surrounded by breathtaking architecture and absorbing the vibrant atmosphere of this captivating city. Indulge in the mouth-watering local specialties, from tantalizing street food to exquisite fine dining. With Expedia, you can experience all of this and more, without sacrificing your budget.
Our flexible Seattle - Tacoma Intl. to Logan Intl. ticket options cater to your travel preferences, with incredible one-way fares from €101 and roundtrip prices from €202. Whether you're planning a short city break or a longer adventure, our dynamic pricing ensures that you find the best deals for your journey.
But the magic doesn't stop there. Expedia offers a range of partner services to enhance your trip. Rent a car at Logan Intl. and explore and its surrounding areas at your own pace. Discover hidden gems off the beaten path, and create unforgettable memories. We also provide a handpicked selection of accommodations, from charming bed and breakfasts to luxury hotels, ensuring that you have a comfortable and memorable stay.
Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support are designed to make your travel experience seamless and stress-free. So, why wait? Book your to travel arrangements today and embark on the journey of a lifetime in Boston.
Frequently asked questions
Explore a world of travel with Expedia
- Trending Routes
- Trending Flights
- Top Flights Destinations
- More Airlines
- Cheap Flights from Other Airports
- Expedia's Latest Trends
Top Routes from Seattle
- Seattle to Chicago (SEA - ORD)
- Seattle to Phoenix (SEA - PHX)
- Seattle to San Diego (SEA - SAN)
- Seattle to Los Angeles (SEA - LAX)
- Seattle to Delhi (SEA - DEL)
- Seattle to Denver (SEA - DEN)
- Seattle to Dublin (SEA - DUB)
- Seattle to Tokyo (SEA - NRT)
- Seattle to Nashville (SEA - BNA)
- Seattle to London (SEA - LHR)
- Seattle to Lisbon (SEA - LIS)
- Seattle to San Francisco (SEA - SFO)
Top Routes to Boston
- Chicago to Boston (ORD - BOS)
- Newark Liberty Intl. Airport to Boston (EWR - BOS)
- Los Angeles to Boston (LAX - BOS)
- Belgrade to Boston (BEG - BOS)
- Amsterdam to Boston (AMS - BOS)
- Cork to Boston (ORK - BOS)
- Reykjavik to Boston (KEF - BOS)
- New York to Boston (JFK - BOS)
- Dublin to Boston (DUB - BOS)
- Shannon to Boston (SNN - BOS)
- Rome to Boston (FCO - BOS)
- Athens to Boston (ATH - BOS)
Top Routes from Seattle
Top Flight Destinations
- Flights to New York
- Flights to Las Vegas
- Flights to Orlando
- Flights to Chicago
- Flights to Los Angeles
- Flights to San Diego
- Flights to Boston
- Flights to Miami
- Flights to Houston
- Flights to Pigeon Forge
- Flights to Nashville
- Flights to Gatlinburg
- Flights to Atlanta
- Flights to San Antonio
- Flights to Austin
- Flights to New Orleans
- Flights to Honolulu
- Flights to Dallas
- Flights to Washington
- Flights to Fort Lauderdale
Expedia's Latest Trends
Flights
- Flights from Las Vegas (LAS) to Los Angeles (LAX)
- Flights from San Francisco (SFO) to Las Vegas (LAS)
- Flights from Los Angeles (LAX) to Las Vegas (LAS)
- Flights from Boston (BOS) to Dublin (DUB)
- Flights from Dublin (DUB) to San Diego (SAN)
- Flights from Dublin (DUB) to Pittsburgh (PIT)
- Flights from Las Vegas (LAS) to Dublin (DUB)
- Flights from Shannon (SNN) to Boston (BOS)
- Flights from Dublin (DUB) to Cleveland (CLE)
- Flights from Dublin (DUB) to St. Louis (STL)
- Flights from Shannon (SNN) to Dallas (DFW)
- Flights from New York (JFK) to Boston (BOS)
- Flights from LON-All Airports to NYC-All Airports
- Flights from Pearson Intl. to NYC-All Airports
- Flights from Cork (ORK) to San Diego (SAN)
- Flights from Shannon (SNN) to Las Vegas (LAS)
- Flights from Cork (ORK) to Las Vegas (LAS)
- Flights from Dublin (DUB) to Fort Lauderdale (FLL)
- Flights from Dublin (DUB) to Philadelphia (PHL)
- Flights from Dublin (DUB) to Florence (CVG)
- Flights from San Diego (SAN) to Dublin (DUB)
- Flights from Dallas (DFW) to Dublin (DUB)
- Flights from Shannon (SNN) to Seattle (SEA)
- Flights from Boston (BOS) to New York (JFK)
- Flights from Philadelphia (PHL) to Dublin (DUB)
- Flights from London (LHR) to Las Vegas (LAS)
- Flights from Dublin (DUB) to Boston (BOS)
- Flights from Dublin (DUB) to Seattle (SEA)
- Flights from Dublin (DUB) to Dallas (DFW)
- Flights from Dublin (DUB) to Las Vegas (LAS)
*Available to Expedia members.