A city street with a historic building labeled 'QUINCY MARKET,' trees with autumn leaves, and modern high-rise buildings.

₩267,000 Cheap Flights from Seattle (SEA) to Boston (BOS)

Cheap Flights from Seattle to Boston (SEA-BOS)

Prices were available within the past 7 days and start at ₩267,000 for one-way flights and ₩609,100 for roundtrip, for the period specified. Prices and availability are subject to change.
Delta
Wed, Mar 17 - Sun, Mar 21
SEA
Seattle
BOS
Boston
₩609,100
Roundtrip
Found 2 days ago
Select Delta flight, departing Wed, Mar 17 from Seattle to Boston, returning Sun, Mar 21, priced at ₩609,100 Found 2 days ago
Southwest Airlines
Wed, Mar 17 - Sun, Mar 21
SEA
Seattle
BOS
Boston
₩649,100
Roundtrip
Found 2 days ago
Select Southwest Airlines flight, departing Wed, Mar 17 from Seattle to Boston, returning Sun, Mar 21, priced at ₩649,100 Found 2 days ago
Southwest Airlines
Wed, Mar 17 - Sun, Mar 21
SEA
Seattle
BOS
Boston
₩656,800
Roundtrip
Found 2 days ago
Select Southwest Airlines flight, departing Wed, Mar 17 from Seattle to Boston, returning Sun, Mar 21, priced at ₩656,800 Found 2 days ago
Delta
Wed, Mar 17 - Sun, Mar 21
SEA
Seattle
BOS
Boston
₩684,100
Roundtrip
Found 2 days ago
Select Delta flight, departing Wed, Mar 17 from Seattle to Boston, returning Sun, Mar 21, priced at ₩684,100 Found 2 days ago
Delta
Wed, Mar 17 - Sun, Mar 21
SEA
Seattle
BOS
Boston
₩690,900
Roundtrip
Found 2 days ago
Select Delta flight, departing Wed, Mar 17 from Seattle to Boston, returning Sun, Mar 21, priced at ₩690,900 Found 2 days ago
American Airlines
Wed, Mar 17 - Sun, Mar 21
SEA
Seattle
BOS
Boston
₩697,700
Roundtrip
Found 2 days ago
Select American Airlines flight, departing Wed, Mar 17 from Seattle to Boston, returning Sun, Mar 21, priced at ₩697,700 Found 2 days ago
United
Wed, Mar 17 - Sun, Mar 21
SEA
Seattle
BOS
Boston
₩698,200
Roundtrip
Found 2 days ago
Select United flight, departing Wed, Mar 17 from Seattle to Boston, returning Sun, Mar 21, priced at ₩698,200 Found 2 days ago
United
Wed, Mar 17 - Sun, Mar 21
SEA
Seattle
BOS
Boston
₩704,400
Roundtrip
Found 2 days ago
Select United flight, departing Wed, Mar 17 from Seattle to Boston, returning Sun, Mar 21, priced at ₩704,400 Found 2 days ago
United
Wed, Mar 17 - Sun, Mar 21
SEA
Seattle
BOS
Boston
₩711,200
Roundtrip
Found 2 days ago
Select United flight, departing Wed, Mar 17 from Seattle to Boston, returning Sun, Mar 21, priced at ₩711,200 Found 2 days ago
Southwest Airlines
Wed, Mar 17 - Sun, Mar 21
SEA
Seattle
BOS
Boston
₩729,700
Roundtrip
Found 2 days ago
Select Southwest Airlines flight, departing Wed, Mar 17 from Seattle to Boston, returning Sun, Mar 21, priced at ₩729,700 Found 2 days ago

Find the cheapest month to fly from Seattle (SEA) to Boston (BOS)

December is typically the cheapest month to fly

From ₩358,279 - ₩757,666 per traveler.

Travel information

Origin airport
Seattle-Tacoma International Airport
Destination airport
Logan International Airport
Distance
4,003 km away
Airlines serving
Alaska Airlines, American Airlines, Delta, United, Southwest Airlines, Sun Country Airlines, JetBlue Airways
Popular airline
Alaska Airlines
Roundtrip price
₩609,100
Average flight time
5 hours 29 mins
*Available to One Key members.