✦ Smart route search

Boston (BOS) to Seattle (SEA) Flights from ₹13,620

Fares on this route currently start from ₹13,620. 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 14 Jul 2026 Live inventory
✈ Flight Search
Modify your route
From
To
Depart
Return
Adults
Children
Infants
Cabin
Trip Type
BOS→SEA

Sort By

💰 Cheapest
⚡ Fastest
🕐 Earliest

🎚️ Filters

Stops Reset
0
0
0
Max Price Reset
Up to ₹5,00,000
Departure Time Reset
🌙 Night
12am–6am
🌅 Morning
6am–12pm
☀️ Afternoon
12pm–6pm
🌆 Evening
6pm–12am
Fare Type
Airlines All
Loading…
Select Fare
Showing 25 of 133 live flights
American Airlines
AA-1146
06:01
07/14/2026
BOS
General Edward Lawrence Logan International Airport
5h 39m
1 Stop
⏱ PHL · 0h 51mPHL Airport
11:40
07/14/2026
SEA
Seattle Tacoma International Airport
₹13,620
per person
✕ Non-refundable17 fare options
Delta Air Lines
DL-324
19:29
07/14/2026
BOS
General Edward Lawrence Logan International Airport
3h 33m
Non-stop
23:02
07/14/2026
SEA
Seattle Tacoma International Airport
₹14,768
per person
✕ Non-refundable7 fare options
alaskaairlines
AS-311
06:03
07/14/2026
BOS
General Edward Lawrence Logan International Airport
5h 50m
1 Stop
⏱ PDX · 1h 33mPDX Airport
11:53
07/14/2026
PAE
Seattle Tacoma International Airport
₹15,950
per person
✕ Non-refundable6 fare options
alaskaairlines
AS-459
07:03
07/14/2026
BOS
General Edward Lawrence Logan International Airport
3h 23m
Non-stop
10:26
07/14/2026
SEA
Seattle Tacoma International Airport
₹16,271
per person
✕ Non-refundable🔥 Last 2 seats7 fare options
JetBlue Airways
B6-397
07:10
07/14/2026
BOS
General Edward Lawrence Logan International Airport
3h 23m
Non-stop
10:33
07/14/2026
SEA
Seattle Tacoma International Airport
₹18,411
per person
✕ Non-refundable4 fare options
JetBlue Airways
B6-197
19:29
07/14/2026
BOS
General Edward Lawrence Logan International Airport
3h 25m
Non-stop
22:54
07/14/2026
SEA
Seattle Tacoma International Airport
₹18,411
per person
✕ Non-refundable4 fare options
Southwest Airlines
WN-725
14:30
07/14/2026
BOS
General Edward Lawrence Logan International Airport
5h 40m
1 Stop
⏱ BNA · 1h 10mBNA Airport
20:10
07/14/2026
SEA
Seattle Tacoma International Airport
₹19,961
per person
✕ Non-refundable🔥 Last 1 seats5 fare options
Southwest Airlines
WN-3911
17:30
07/14/2026
BOS
General Edward Lawrence Logan International Airport
6h 55m
1 Stop
⏱ MDW · 2h 25mMDW Airport
00:25
07/15/2026
+1
SEA
Seattle Tacoma International Airport
₹19,961
per person
✕ Non-refundable🔥 Last 1 seats5 fare options
Southwest Airlines
WN-4156
05:00
07/14/2026
BOS
General Edward Lawrence Logan International Airport
7h 5m
1 Stop
⏱ DEN · 2h 40mDEN Airport
12:05
07/14/2026
SEA
Seattle Tacoma International Airport
₹19,961
per person
✕ Non-refundable🔥 Last 3 seats5 fare options
American Airlines
AA-1554
18:30
07/14/2026
BOS
General Edward Lawrence Logan International Airport
6h 22m
1 Stop
⏱ ORD · 1h 16mORD Airport
00:52
07/15/2026
+1
SEA
Seattle Tacoma International Airport
₹20,044
per person
✕ Non-refundable17 fare options
American Airlines
AA-1592
17:38
07/14/2026
BOS
General Edward Lawrence Logan International Airport
7h 14m
1 Stop
⏱ ORD · 2h 16mORD Airport
00:52
07/15/2026
+1
SEA
Seattle Tacoma International Airport
₹20,044
per person
✕ Non-refundable17 fare options
American Airlines
AA-1239
08:58
07/14/2026
BOS
General Edward Lawrence Logan International Airport
5h 29m
1 Stop
⏱ ORD · 0h 40mORD Airport
14:27
07/14/2026
SEA
Seattle Tacoma International Airport
₹20,044
per person
✕ Non-refundable12 fare options
American Airlines
AA-1509
07:00
07/14/2026
BOS
General Edward Lawrence Logan International Airport
7h 27m
1 Stop
⏱ ORD · 2h 39mORD Airport
14:27
07/14/2026
SEA
Seattle Tacoma International Airport
₹20,044
per person
✕ Non-refundable12 fare options
Southwest Airlines
WN-4106
15:45
07/14/2026
BOS
General Edward Lawrence Logan International Airport
8h 50m
2 Stops
⏱ MDW · 1h 10mMDW Airport⏱ LAS · 1h 20mLAS Airport
00:35
07/15/2026
+1
SEA
Seattle Tacoma International Airport
₹20,139
per person
✕ Non-refundable🔥 Last 2 seats
Southwest Airlines
WN-320
13:25
07/14/2026
BOS
General Edward Lawrence Logan International Airport
11h 10m
2 Stops
⏱ MDW · 3h 35mMDW Airport⏱ LAS · 1h 20mLAS Airport
00:35
07/15/2026
+1
SEA
Seattle Tacoma International Airport
₹20,139
per person
✕ Non-refundable🔥 Last 2 seats
alaskaairlines
AS-1337
19:44
07/14/2026
BOS
General Edward Lawrence Logan International Airport
3h 23m
Non-stop
23:07
07/14/2026
SEA
Seattle Tacoma International Airport
₹20,140
per person
✕ Non-refundable7 fare options
Southwest Airlines
WN-320
13:25
07/14/2026
BOS
General Edward Lawrence Logan International Airport
11h 10m
3 Stops
⏱ MDW · 2h 45mMDW Airport⏱ OMA · 0h 40mOMA Airport⏱ LAS · 1h 5mLAS Airport
00:35
07/15/2026
+1
SEA
Seattle Tacoma International Airport
₹20,640
per person
✕ Non-refundable
American Airlines
AA-9302
07:03
07/14/2026
BOS
General Edward Lawrence Logan International Airport
3h 23m
Non-stop
10:26
07/14/2026
SEA
Seattle Tacoma International Airport
₹21,016
per person
✕ Non-refundable🔥 Last 2 seats9 fare options
Delta Air Lines
DL-332
11:29
07/14/2026
BOS
General Edward Lawrence Logan International Airport
3h 21m
Non-stop
14:50
07/14/2026
SEA
Seattle Tacoma International Airport
₹21,071
per person
✕ Non-refundable7 fare options
Southwest Airlines
WN-724
08:45
07/14/2026
BOS
General Edward Lawrence Logan International Airport
11h 25m
1 Stop
⏱ BNA · 6h 50mBNA Airport
20:10
07/14/2026
SEA
Seattle Tacoma International Airport
₹21,801
per person
✕ Non-refundable🔥 Last 1 seats2 fare options
Southwest Airlines
WN-320
13:25
07/14/2026
BOS
General Edward Lawrence Logan International Airport
6h 10m
1 Stop
⏱ MDW · 2h 0mMDW Airport
19:35
07/14/2026
SEA
Seattle Tacoma International Airport
₹22,157
per person
✕ Non-refundable🔥 Last 1 seats5 fare options
Southwest Airlines
WN-320
13:25
07/14/2026
BOS
General Edward Lawrence Logan International Airport
11h 10m
2 Stops
⏱ MDW · 2h 20mMDW Airport⏱ LAS · 2h 40mLAS Airport
00:35
07/15/2026
+1
SEA
Seattle Tacoma International Airport
₹22,499
per person
✕ Non-refundable🔥 Last 5 seats
Alaska Airlines
AS-311
06:03
07/14/2026
BOS
General Edward Lawrence Logan International Airport
7h 0m
1 Stop
⏱ PDX · 2h 44mPDX Airport
13:03
07/14/2026
SEA
Seattle Tacoma International Airport
₹22,704
per person
✕ Non-refundable4 fare options
Southwest Airlines
WN-4917
12:50
07/14/2026
BOS
General Edward Lawrence Logan International Airport
10h 25m
3 Stops
⏱ STL · 1h 20mSTL Airport⏱ DEN · 1h 35mDEN Airport⏱ OAK · 0h 40mOAK Airport
23:15
07/14/2026
SEA
Seattle Tacoma International Airport
₹23,000
per person
✓ Refundable🔥 Last 2 seats4 fare options
Southwest Airlines
WN-3038
11:35
07/14/2026
BOS
General Edward Lawrence Logan International Airport
11h 40m
3 Stops
⏱ BWI · 1h 50mBWI Airport⏱ DEN · 2h 0mDEN Airport⏱ OAK · 0h 40mOAK Airport
23:15
07/14/2026
SEA
Seattle Tacoma International Airport
₹23,000
per person
✕ Non-refundable🔥 Last 1 seats
😕 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 14 Jul 2026. Click Load more flights to expand the full list on this page.

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.

Before you book

Compare nearby dates

The date strip above lets you scan nearby fares without restarting the search.

Load the full list

Route page starts with 25 flights for speed. Load more brings the complete list onto this page.

Check fare details

Each result shows baggage, refundability and fare details before you proceed.

More flights from Boston (BOS)
92 routes
Boston Akron
BOS → CAK
Boston Albany
BOS → ALB
Boston Amsterdam
BOS → AMS
Boston Atlanta
BOS → ATL
Boston Augusta
BOS → AUG
Boston Austin
BOS → AUS
Boston Bar Harbor
BOS → BHB
Boston Bermuda
BOS → BDA
Boston Buffalo
BOS → BUF
Boston Cancun
BOS → CUN
Boston Charleston
BOS → CHS
Boston Charlotte
BOS → CLT
Boston Chicago
BOS → MDW
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
BOS → MDT
Boston Houston
BOS → IAH
Boston Houston
BOS → HOU
Boston Hyannis
BOS → HYA
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 → EWR
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 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 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 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 → YTZ
Boston Washington DC
BOS → IAD
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
SEA → PEK
Seattle Bellingham
SEA → BLI
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
SEA → KEF
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.