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Boston (BOS) to Seattle (SEA) Flights from ₹17,795

Fares on this route currently start from ₹17,795. Compare live BOS to SEA 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.
BOS → SEA Approx. 4005.51 km 04 Jun 2026 Live inventory
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Showing 25 of 109 live flights
Delta Air Lines
DL-324
19:30
06/04/2026
BOS
General Edward Lawrence Logan International Airport
3h 10m
Non-stop
22:40
06/04/2026
SEA
Seattle Tacoma International Airport
₹17,795
per person
✕ Non-refundable6 fare options
American Airlines
AA-1776
15:06
06/04/2026
BOS
General Edward Lawrence Logan International Airport
7h 52m
1 Stop
⏱ PHL · 2h 51mPHL Airport
22:58
06/04/2026
SEA
Seattle Tacoma International Airport
₹19,300
per person
✓ Refundable16 fare options
American Airlines
AA-1146
05:31
06/04/2026
BOS
General Edward Lawrence Logan International Airport
6h 15m
1 Stop
⏱ PHL · 1h 21mPHL Airport
11:46
06/04/2026
SEA
Seattle Tacoma International Airport
₹23,666
per person
✓ Refundable11 fare options
United Airlines
UA-1833
06:00
06/04/2026
BOS
General Edward Lawrence Logan International Airport
5h 57m
1 Stop
⏱ EWR · 1h 26mEWR Airport
11:57
06/04/2026
SEA
Seattle Tacoma International Airport
₹23,726
per person
✕ Non-refundable🔥 Last 3 seats6 fare options
Delta Air Lines
DL-384
07:48
06/04/2026
BOS
General Edward Lawrence Logan International Airport
3h 5m
Non-stop
10:53
06/04/2026
SEA
Seattle Tacoma International Airport
₹24,407
per person
✕ Non-refundable6 fare options
Delta Air Lines
DL-332
11:55
06/04/2026
BOS
General Edward Lawrence Logan International Airport
3h 10m
Non-stop
15:05
06/04/2026
SEA
Seattle Tacoma International Airport
₹24,407
per person
✕ Non-refundable6 fare options
Delta Air Lines
DL-479
06:15
06/04/2026
BOS
General Edward Lawrence Logan International Airport
10h 36m
1 Stop
⏱ LAX · 4h 30mLAX Airport
16:51
06/04/2026
SEA
Seattle Tacoma International Airport
₹24,498
per person
✕ Non-refundable
Delta Air Lines
DL-479
06:15
06/04/2026
BOS
General Edward Lawrence Logan International Airport
14h 13m
1 Stop
⏱ LAX · 8h 5mLAX Airport
20:28
06/04/2026
SEA
Seattle Tacoma International Airport
₹24,498
per person
✕ Non-refundable
Delta Air Lines
DL-479
06:15
06/04/2026
BOS
General Edward Lawrence Logan International Airport
17h 38m
1 Stop
⏱ LAX · 11h 30mLAX Airport
23:53
06/04/2026
SEA
Seattle Tacoma International Airport
₹24,498
per person
✕ Non-refundable
Southwest Airlines
WN-3911
18:45
06/04/2026
BOS
General Edward Lawrence Logan International Airport
5h 45m
1 Stop
⏱ MDW · 1h 25mMDW Airport
00:30
06/05/2026
+1
SEA
Seattle Tacoma International Airport
₹24,514
per person
✓ Refundable🔥 Last 1 seats4 fare options
Delta Air Lines
DL-318
16:30
06/04/2026
BOS
General Edward Lawrence Logan International Airport
7h 23m
1 Stop
⏱ LAX · 1h 10mLAX Airport
23:53
06/04/2026
SEA
Seattle Tacoma International Airport
₹25,586
per person
✕ Non-refundable
Delta Air Lines
DL-479
06:15
06/04/2026
BOS
General Edward Lawrence Logan International Airport
8h 50m
1 Stop
⏱ LAX · 2h 37mLAX Airport
15:05
06/04/2026
SEA
Seattle Tacoma International Airport
₹25,586
per person
✕ Non-refundable
Delta Air Lines
DL-2004
10:55
06/04/2026
BOS
General Edward Lawrence Logan International Airport
9h 33m
1 Stop
⏱ LAX · 3h 30mLAX Airport
20:28
06/04/2026
SEA
Seattle Tacoma International Airport
₹25,586
per person
✕ Non-refundable
alaskaairlines
AS-306
19:11
06/04/2026
BOS
General Edward Lawrence Logan International Airport
3h 16m
Non-stop
22:27
06/04/2026
SEA
Seattle Tacoma International Airport
₹26,928
per person
✕ Non-refundable6 fare options
United Airlines
UA-2394
11:00
06/04/2026
BOS
General Edward Lawrence Logan International Airport
8h 36m
1 Stop
⏱ EWR · 3h 57mEWR Airport
19:36
06/04/2026
SEA
Seattle Tacoma International Airport
₹27,219
per person
✕ Non-refundable🔥 Last 1 seats6 fare options
Southwest Airlines
WN-742
17:30
06/04/2026
BOS
General Edward Lawrence Logan International Airport
5h 35m
1 Stop
⏱ DEN · 1h 0mDEN Airport
23:05
06/04/2026
SEA
Seattle Tacoma International Airport
₹27,360
per person
✓ Refundable🔥 Last 1 seats4 fare options
Southwest Airlines
WN-4106
16:45
06/04/2026
BOS
General Edward Lawrence Logan International Airport
7h 45m
1 Stop
⏱ MDW · 3h 25mMDW Airport
00:30
06/05/2026
+1
SEA
Seattle Tacoma International Airport
₹27,360
per person
✓ Refundable🔥 Last 3 seats4 fare options
Southwest Airlines
WN-733
13:20
06/04/2026
BOS
General Edward Lawrence Logan International Airport
5h 15m
1 Stop
⏱ BWI · 0h 50mBWI Airport
18:35
06/04/2026
SEA
Seattle Tacoma International Airport
₹28,106
per person
✕ Non-refundable🔥 Last 2 seats9 fare options
American Airlines
AA-4335
14:00
06/04/2026
BOS
General Edward Lawrence Logan International Airport
8h 58m
1 Stop
⏱ PHL · 3h 57mPHL Airport
22:58
06/04/2026
SEA
Seattle Tacoma International Airport
₹28,888
per person
✕ Non-refundable3 fare options
American Airlines
AA-3309
17:05
06/04/2026
BOS
General Edward Lawrence Logan International Airport
5h 53m
1 Stop
⏱ PHL · 0h 45mPHL Airport
22:58
06/04/2026
SEA
Seattle Tacoma International Airport
₹29,741
per person
✓ Refundable15 fare options
American Airlines
AA-1573
16:47
06/04/2026
BOS
General Edward Lawrence Logan International Airport
6h 12m
1 Stop
⏱ CLT · 0h 47mCLT Airport
22:59
06/04/2026
SEA
Seattle Tacoma International Airport
₹29,741
per person
✓ Refundable15 fare options
American Airlines
AA-1548
10:14
06/04/2026
BOS
General Edward Lawrence Logan International Airport
7h 53m
1 Stop
⏱ CLT · 2h 45mCLT Airport
18:07
06/04/2026
SEA
Seattle Tacoma International Airport
₹29,741
per person
✓ Refundable15 fare options
American Airlines
AA-1595
16:06
06/04/2026
BOS
General Edward Lawrence Logan International Airport
7h 38m
1 Stop
⏱ DFW · 1h 48mDFW Airport
23:44
06/04/2026
SEA
Seattle Tacoma International Airport
₹29,741
per person
✕ Non-refundable14 fare options
American Airlines
AA-3324
05:01
06/04/2026
BOS
General Edward Lawrence Logan International Airport
8h 7m
1 Stop
⏱ ORD · 3h 31mORD Airport
13:08
06/04/2026
SEA
Seattle Tacoma International Airport
₹29,741
per person
✕ Non-refundable7 fare options
American Airlines
AA-1611
14:27
06/04/2026
BOS
General Edward Lawrence Logan International Airport
8h 32m
1 Stop
⏱ CLT · 3h 16mCLT Airport
22:59
06/04/2026
SEA
Seattle Tacoma International Airport
₹29,741
per person
✓ Refundable7 fare options
😕 No flights match your filters.
Boston (BOS)
📍 General Edward Lawrence Logan International Airport
🌍 United States
🕐 GMT -5
📐 Latitude: 42.36429977
📐 Longitude: -71.00520325
Seattle (SEA)
📍 Seattle Tacoma International Airport
🌍 United States
🕐 GMT -8
📐 Latitude: 47.449001
📐 Longitude: -122.308998

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

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

Boston to Seattle — what to expect when booking

The BOS–SEA 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 Boston,USA and Seattle,USA is approximately 4005.51 km.

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More flights from Boston (BOS)
96 routes
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BOS → CAK
Boston Albany
BOS → ALB
Boston Amsterdam
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Boston Atlanta
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Boston Atlantic City
BOS → ACY
Boston Augusta
BOS → AUG
Boston Austin
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Boston Bar Harbor
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Boston Bermuda
BOS → BDA
Boston Buffalo
BOS → BUF
Boston Cancun
BOS → CUN
Boston Charleston
BOS → CHS
Boston Charlotte
BOS → CLT
Boston Chicago
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Boston Cincinnati
BOS → CVG
Boston Cleveland
BOS → CLE
Boston Columbus
BOS → CMH
Boston Denver
BOS → DEN
Boston Detroit
BOS → DTW
Boston Dubai
BOS → DXB
Boston Dublin
BOS → DUB
Boston Fort Lauderdale
BOS → FLL
Boston Fort Myers
BOS → RSW
Boston Fort Worth
BOS → DFW
Boston Frankfurt
BOS → FRA
Boston Halifax International
BOS → YHZ
Boston Harrisburg
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Boston Houston
BOS → IAH
Boston Houston
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Boston Hyannis
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Boston Indianapolis
BOS → IND
Boston Jacksonville
BOS → JAX
Boston Kansas City
BOS → MCI
Boston Las Vegas
BOS → LAS
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
BOS → JFK
Boston Oranjestad
BOS → AUA
Boston Orlando
BOS → MCO
Boston Ottawa
BOS → YOW
Boston Panama City
BOS → PTY
Boston Paris
BOS → CDG
Boston Philadelphia
BOS → PHL
Boston Phoenix
BOS → PHX
Boston Pittsburgh International Airport
BOS → PIT
Boston Plattsburgh
BOS → PBG
Boston Ponta Delgada
BOS → PDL
Boston Portland International
BOS → PDX
Boston Praia
BOS → RAI
Boston Presque Island
BOS → PQI
Boston Providenciales
BOS → PLS
Boston Provincetown
BOS → PVC
Boston Punta Cana
BOS → PUJ
Boston Raleigh
BOS → RDU
Boston Reykjavik
BOS → KEF
Boston Richmond
BOS → RIC
Boston Rochester
BOS → ROC
Boston Rockland
BOS → RKD
Boston Rome
BOS → FCO
Boston Rutland
BOS → RUT
Boston Salt Lake City
BOS → SLC
Boston San Diego
BOS → SAN
Boston San Francisco
BOS → SFO
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 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
BOS → PBI
Boston Zurich
BOS → ZRH
More flights from Seattle (SEA)
88 routes
Seattle Albuquerque
SEA → ABQ
Seattle Amsterdam
SEA → AMS
Seattle Anchorage
SEA → ANC
Seattle Atlanta
SEA → ATL
Seattle Austin
SEA → AUS
Seattle Beijing
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Seattle Bellingham
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Seattle Billings
SEA → BIL
Seattle Boise
SEA → BOI
Seattle Boston
SEA → BOS
Seattle Bozeman
SEA → BZN
Seattle Burbank
SEA → BUR
Seattle Calgary
SEA → YYC
Seattle Charlotte
SEA → CLT
Seattle Chicago
SEA → MDW
Seattle Colorado Springs
SEA → COS
Seattle Dallas
SEA → DAL
Seattle Denver
SEA → DEN
Seattle Detroit
SEA → DTW
Seattle Dubai
SEA → DXB
Seattle Edmonton
SEA → YEG
Seattle Eugene
SEA → EUG
Seattle Fairbanks
SEA → FAI
Seattle Fort Lauderdale
SEA → FLL
Seattle Fort Worth
SEA → DFW
Seattle Frankfurt
SEA → FRA
Seattle Fresno
SEA → FAT
Seattle Great Falls
SEA → GTF
Seattle Helena
SEA → HLN
Seattle Honolulu
SEA → HNL
Seattle Houston
SEA → IAH
Seattle Juneau
SEA → JNU
Seattle Kahului
SEA → OGG
Seattle Kalispell
SEA → FCA
Seattle Kansas City
SEA → MCI
Seattle Kelowna
SEA → YLW
Seattle Ketchikan
SEA → KTN
Seattle Kona
SEA → KOA
Seattle Las Vegas
SEA → LAS
Seattle Lewiston
SEA → LWS
Seattle Lihue
SEA → LIH
Seattle London
SEA → LHR
Seattle Long Beach
SEA → LGB
Seattle Los Angeles
SEA → LAX
Seattle Medford
SEA → MFR
Seattle Miami
SEA → MIA
Seattle Milwaukee
SEA → MKE
Seattle Minneapolis
SEA → MSP
Seattle Missula
SEA → MSO
Seattle New York
SEA → EWR
Seattle Oakland
SEA → OAK
Seattle Omaha
SEA → OMA
Seattle Ontario
SEA → ONT
Seattle Orlando
SEA → MCO
Seattle Palm Springs
SEA → PSP
Seattle Paris
SEA → CDG
Seattle Pasco
SEA → PSC
Seattle Philadelphia
SEA → PHL
Seattle Phoenix
SEA → PHX
Seattle Portland International
SEA → PDX
Seattle Pullman
SEA → PUW
Seattle Redmond
SEA → RDM
Seattle Reno
SEA → RNO
Seattle Reykjavik
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Seattle Sacramento
SEA → SMF
Seattle Salt Lake City
SEA → SLC
Seattle San Antonio
SEA → SAT
Seattle San Diego
SEA → SAN
Seattle San Francisco
SEA → SFO
Seattle San Jose
SEA → SJC
Seattle Santa Ana
SEA → SNA
Seattle Santa Barbara
SEA → SBA
Seattle Santa Rosa
SEA → STS
Seattle Seoul
SEA → ICN
Seattle Shanghai
SEA → PVG
Seattle Spokane
SEA → GEG
Seattle St. Louis
SEA → STL
Seattle Taipei
SEA → TPE
Seattle Tampa
SEA → TPA
Seattle Tokyo
SEA → HND
Seattle Toronto
SEA → YYZ
Seattle Tucson
SEA → TUS
Seattle Vancouver
SEA → YVR
Seattle Victoria
SEA → YYJ
Seattle Walla Walla
SEA → ALW
Seattle Washington DC
SEA → BWI
Seattle Wenatchee
SEA → EAT
Seattle Yakima
SEA → YKM
❓ Frequently asked questions — Boston to Seattle 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 Boston,USA (BOS) and Seattle,USA (SEA) 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.