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Seattle (SEA) to Boston (BOS) Flights from ₹15,149

Fares on this route currently start from ₹15,149. Compare live SEA to BOS prices, non-stop and connecting flights, departure times and airline choices before booking. Use the search panel to change origin, destination, passengers, cabin and trip type instantly.
SEA → BOS Approx. 4005.51 km 04 Jun 2026 Live inventory
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Showing 25 of 151 live flights
American Airlines
AA-2534
12:46
06/04/2026
SEA
Seattle Tacoma International Airport
11h 2m
1 Stop
⏱ PHL · 1h 12mPHL Airport
23:48
06/04/2026
BOS
General Edward Lawrence Logan International Airport
₹15,149
per person
✓ Refundable26 fare options
JetBlue Airways
B6-398
11:35
06/04/2026
SEA
Seattle Tacoma International Airport
8h 39m
Non-stop
20:14
06/04/2026
BOS
General Edward Lawrence Logan International Airport
₹16,338
per person
✕ Non-refundable5 fare options
Delta Air Lines
DL-412
11:15
06/04/2026
SEA
Seattle Tacoma International Airport
8h 32m
Non-stop
19:47
06/04/2026
BOS
General Edward Lawrence Logan International Airport
₹17,936
per person
✕ Non-refundable7 fare options
American Airlines
AA-707
10:23
06/04/2026
SEA
Seattle Tacoma International Airport
12h 46m
1 Stop
⏱ DFW · 1h 48mDFW Airport
23:09
06/04/2026
BOS
General Edward Lawrence Logan International Airport
₹18,975
per person
✓ Refundable24 fare options
Delta Air Lines
DL-474
16:10
06/04/2026
SEA
Seattle Tacoma International Airport
8h 30m
Non-stop
00:40
06/05/2026
+1
BOS
General Edward Lawrence Logan International Airport
₹19,839
per person
✕ Non-refundable7 fare options
Southwest Airlines
WN-2304
23:05
06/04/2026
SEA
Seattle Tacoma International Airport
11h 50m
1 Stop
⏱ MDW · 2h 40mMDW Airport
10:55
06/05/2026
+1
BOS
General Edward Lawrence Logan International Airport
₹20,081
per person
✕ Non-refundable9 fare options
United Airlines
UA-1274
23:00
06/04/2026
SEA
Seattle Tacoma International Airport
10h 48m
1 Stop
⏱ EWR · 1h 14mEWR Airport
09:48
06/05/2026
+1
BOS
General Edward Lawrence Logan International Airport
₹20,349
per person
✕ Non-refundable🔥 Last 1 seats9 fare options
United Airlines
UA-1274
23:00
06/04/2026
SEA
Seattle Tacoma International Airport
12h 16m
1 Stop
⏱ EWR · 2h 42mEWR Airport
11:16
06/05/2026
+1
BOS
General Edward Lawrence Logan International Airport
₹20,349
per person
✕ Non-refundable🔥 Last 1 seats9 fare options
Southwest Airlines
WN-2304
23:05
06/04/2026
SEA
Seattle Tacoma International Airport
13h 35m
1 Stop
⏱ MDW · 4h 20mMDW Airport
12:40
06/05/2026
+1
BOS
General Edward Lawrence Logan International Airport
₹20,868
per person
✕ Non-refundable🔥 Last 3 seats9 fare options
Southwest Airlines
WN-3081
11:45
06/04/2026
SEA
Seattle Tacoma International Airport
11h 15m
1 Stop
⏱ MDW · 1h 45mMDW Airport
23:00
06/04/2026
BOS
General Edward Lawrence Logan International Airport
₹21,026
per person
✕ Non-refundable🔥 Last 5 seats13 fare options
JetBlue Airways
B6-264
23:52
06/04/2026
SEA
Seattle Tacoma International Airport
11h 10m
1 Stop
⏱ JFK · 1h 17mJFK Airport
11:02
06/05/2026
+1
BOS
General Edward Lawrence Logan International Airport
₹22,153
per person
✕ Non-refundable🔥 Last 3 seats5 fare options
Southwest Airlines
WN-2810
05:30
06/04/2026
SEA
Seattle Tacoma International Airport
13h 50m
1 Stop
⏱ MDW · 4h 35mMDW Airport
19:20
06/04/2026
BOS
General Edward Lawrence Logan International Airport
₹23,220
per person
✕ Non-refundable5 fare options
American Airlines
AA-2522
22:35
06/04/2026
SEA
Seattle Tacoma International Airport
10h 6m
1 Stop
⏱ PHL · 0h 33mPHL Airport
08:41
06/05/2026
+1
BOS
General Edward Lawrence Logan International Airport
₹23,854
per person
✓ Refundable26 fare options
American Airlines
AA-2522
22:35
06/04/2026
SEA
Seattle Tacoma International Airport
11h 21m
1 Stop
⏱ PHL · 1h 39mPHL Airport
09:56
06/05/2026
+1
BOS
General Edward Lawrence Logan International Airport
₹23,854
per person
✓ Refundable25 fare options
American Airlines
AA-2522
22:35
06/04/2026
SEA
Seattle Tacoma International Airport
13h 11m
1 Stop
⏱ PHL · 3h 29mPHL Airport
11:46
06/05/2026
+1
BOS
General Edward Lawrence Logan International Airport
₹23,854
per person
✓ Refundable21 fare options
United Airlines
UA-768
13:51
06/04/2026
SEA
Seattle Tacoma International Airport
11h 23m
1 Stop
⏱ ORD · 1h 24mORD Airport
01:14
06/05/2026
+1
BOS
General Edward Lawrence Logan International Airport
₹23,899
per person
✕ Non-refundable🔥 Last 3 seats9 fare options
Delta Air Lines
DL-473
23:00
06/04/2026
SEA
Seattle Tacoma International Airport
8h 33m
Non-stop
07:33
06/05/2026
+1
BOS
General Edward Lawrence Logan International Airport
₹24,601
per person
✕ Non-refundable7 fare options
Delta Air Lines
DL-459
07:15
06/04/2026
SEA
Seattle Tacoma International Airport
8h 34m
Non-stop
15:49
06/04/2026
BOS
General Edward Lawrence Logan International Airport
₹24,601
per person
✕ Non-refundable7 fare options
Sun Country Airlines
SY-286
18:42
06/04/2026
SEA
Seattle Tacoma International Airport
14h 51m
1 Stop
⏱ MSP · 5h 46mMSP Airport
09:33
06/05/2026
+1
BOS
General Edward Lawrence Logan International Airport
₹24,788
per person
✕ Non-refundable2 fare options
alaskaairlines
AS-460
15:30
06/04/2026
SEA
Seattle Tacoma International Airport
8h 29m
Non-stop
23:59
06/04/2026
BOS
General Edward Lawrence Logan International Airport
₹24,968
per person
✕ Non-refundable🔥 Last 5 seats11 fare options
Southwest Airlines
WN-2810
05:30
06/04/2026
SEA
Seattle Tacoma International Airport
10h 20m
1 Stop
⏱ MDW · 1h 5mMDW Airport
15:50
06/04/2026
BOS
General Edward Lawrence Logan International Airport
₹25,093
per person
✕ Non-refundable14 fare options
JetBlue Airways
B6-264
23:52
06/04/2026
SEA
Seattle Tacoma International Airport
14h 59m
1 Stop
⏱ JFK · 5h 17mJFK Airport
14:51
06/05/2026
+1
BOS
General Edward Lawrence Logan International Airport
₹25,136
per person
✕ Non-refundable
Delta Air Lines
DL-558
11:45
06/04/2026
SEA
Seattle Tacoma International Airport
11h 6m
1 Stop
⏱ CVG · 1h 14mCVG Airport
22:51
06/04/2026
BOS
General Edward Lawrence Logan International Airport
₹25,535
per person
✕ Non-refundable6 fare options
Southwest Airlines
WN-3613
21:25
06/04/2026
SEA
Seattle Tacoma International Airport
12h 25m
1 Stop
⏱ BWI · 2h 55mBWI Airport
09:50
06/05/2026
+1
BOS
General Edward Lawrence Logan International Airport
₹26,084
per person
✕ Non-refundable🔥 Last 2 seats9 fare options
Southwest Airlines
WN-536
22:45
06/04/2026
SEA
Seattle Tacoma International Airport
14h 55m
1 Stop
⏱ BNA · 5h 15mBNA Airport
13:40
06/05/2026
+1
BOS
General Edward Lawrence Logan International Airport
₹26,589
per person
✕ Non-refundable🔥 Last 5 seats
😕 No flights match your filters.
Seattle (SEA)
📍 Seattle Tacoma International Airport
🌍 United States
🕐 GMT -8
📐 Latitude: 47.449001
📐 Longitude: -122.308998
Boston (BOS)
📍 General Edward Lawrence Logan International Airport
🌍 United States
🕐 GMT -5
📐 Latitude: 42.36429977
📐 Longitude: -71.00520325

✈ Distance: Seattle,USA to Boston,USA4005.51 km

📅 Results on this page are loaded for 04 Jun 2026. Click View all flights for the complete live search.

Seattle to Boston — what to expect when booking

The SEA–BOS route is served by multiple carriers throughout the year. Fares on this route can move quickly — a price available now may not be there 30 minutes later.

If your dates are flexible, try shifting your departure by a day or two using the date strip above. Mid-week departures often show lower base fares compared to weekend starts on many routes.

The distance between Seattle,USA and Boston,USA is approximately 4005.51 km.

Before you book

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More flights from Seattle (SEA)
87 routes
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Seattle Kalispell
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Seattle Kansas City
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Seattle Las Vegas
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Seattle Lewiston
SEA → LWS
Seattle Lihue
SEA → LIH
Seattle London
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Seattle Long Beach
SEA → LGB
Seattle Los Angeles
SEA → LAX
Seattle Medford
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Seattle Miami
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Seattle Milwaukee
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Seattle Minneapolis
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Seattle Missula
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Seattle New York
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Seattle Oakland
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Seattle Omaha
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Seattle Orlando
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Seattle Palm Springs
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Seattle Paris
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Seattle Pasco
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Seattle Portland International
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Seattle Pullman
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Seattle Redmond
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Seattle Reno
SEA → RNO
Seattle Reykjavik
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Seattle Sacramento
SEA → SMF
Seattle Salt Lake City
SEA → SLC
Seattle San Antonio
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Seattle San Diego
SEA → SAN
Seattle San Francisco
SEA → SFO
Seattle San Jose
SEA → SJC
Seattle Santa Ana
SEA → SNA
Seattle Santa Barbara
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Seattle Santa Rosa
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Seattle Seoul
SEA → ICN
Seattle Shanghai
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Seattle Spokane
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Seattle St. Louis
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Seattle Taipei
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Seattle Tampa
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Seattle Tokyo
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Seattle Toronto
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Seattle Tucson
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Seattle Vancouver
SEA → YVR
Seattle Victoria
SEA → YYJ
Seattle Walla Walla
SEA → ALW
Seattle Washington DC
SEA → DCA
Seattle Wenatchee
SEA → EAT
Seattle Yakima
SEA → YKM
More flights from Boston (BOS)
97 routes
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Boston Albany
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Boston Amsterdam
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Boston Atlanta
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Boston Buffalo
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Boston Cancun
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Boston Charleston
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Boston Cincinnati
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Boston Cleveland
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Boston Columbus
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Boston Denver
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Boston Detroit
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Boston Dubai
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Boston Dublin
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Boston Fort Lauderdale
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Boston Fort Myers
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Boston Fort Worth
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Boston Frankfurt
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Boston Halifax International
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Boston Harrisburg
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Boston Houston
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Boston Houston
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Boston Hyannis
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Boston Indianapolis
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Boston Jacksonville
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Boston Kansas City
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Boston Las Vegas
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Boston Lebanon
BOS → LEB
Boston Lisbon
BOS → LIS
Boston London
BOS → LHR
Boston Long Beach
BOS → LGB
Boston Long Island
BOS → ISP
Boston Los Angeles
BOS → LAX
Boston Madrid
BOS → MAD
Boston Martha-s Vineyard
BOS → MVY
Boston Miami
BOS → MIA
Boston Milwaukee
BOS → MKE
Boston Minneapolis
BOS → MSP
Boston Montreal
BOS → YUL
Boston Muenchen
BOS → MUC
Boston Myrtle Beach
BOS → MYR
Boston Nantucket
BOS → ACK
Boston Nashville
BOS → BNA
Boston Nassau
BOS → NAS
Boston New Orleans
BOS → MSY
Boston New York
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Boston Oranjestad
BOS → AUA
Boston Orlando
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Boston Ottawa
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Boston Panama City
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Boston Paris
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Boston Philadelphia
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Boston Phoenix
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Boston Pittsburgh International Airport
BOS → PIT
Boston Plattsburgh
BOS → PBG
Boston Ponta Delgada
BOS → PDL
Boston Portland International
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Boston Praia
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Boston Presque Island
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Boston Providenciales
BOS → PLS
Boston Provincetown
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Boston Punta Cana
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Boston Raleigh
BOS → RDU
Boston Reykjavik
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Boston Richmond
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Boston Rochester
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Boston Rockland
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Boston Rome
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Boston Rutland
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Boston Salt Lake City
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Boston San Diego
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Boston San Francisco
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Boston San Jose
BOS → SJC
Boston San Juan
BOS → SJU
Boston Santiago de los Caballeros
BOS → STI
Boston Santo Domingo
BOS → SDQ
Boston Saranac Lake
BOS → SLK
Boston Savannah
BOS → SAV
Boston Seattle
BOS → SEA
Boston Shannon
BOS → SNN
Boston St. Louis
BOS → STL
Boston St. Marteen
BOS → SXM
Boston St. Thomas
BOS → STT
Boston Syracuse
BOS → SYR
Boston Tampa
BOS → TPA
Boston Tokyo
BOS → NRT
Boston Toronto
BOS → YYZ
Boston Washington DC
BOS → DCA
Boston West Palm Beach
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Boston Zurich
BOS → ZRH
❓ Frequently asked questions — Seattle to Boston flights

Generally yes — fares on most routes are most competitive around 4–6 weeks before departure. Booking earlier usually means better availability and a lower base fare when your dates are fixed.

The straight-line distance between Seattle,USA (SEA) and Boston,USA (BOS) is approximately 4005.51 km. Actual flying distance may vary slightly depending on routing.

Non-stop availability on this route varies by airline schedule and season. Use the filters below to quickly check whether direct options are available on your selected date.

Mid-week departures often show lower prices than weekend travel on many routes. Use the date strip above to compare nearby days quickly.