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 → SEAApprox. 4005.51 km04 Jun 2026Live 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,USA — 4005.51 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.
Before you book
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❓ 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.