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 → BOSApprox. 4005.51 km04 Jun 2026Live inventory
✈ Flight Search
Modify your route
From
To
Depart
Return
Adults
Children
Infants
Cabin
Trip Type
SEA→BOS
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
—
—
per person · incl. taxes
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…
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,USA — 4005.51 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
Compare nearby dates
The date strip above lets you scan nearby fares without restarting the search.
Open full search for more control
Route page shows a limited live set. Full search opens the complete inventory with fresh results.
Check fare details
Each result shows baggage, refundability and fare details before you proceed.
❓ 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.