LATAM Airlines flights from Boston Logan (BOS) to Seattle-Tacoma (SEA).

Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Mon 11:10 Boston Logan (BOS) A 14:29 Seattle-Tacoma (SEA)
LATAM Airlines LA 6216 Non-stop Airbus A320 (320) 6:19 Operates only on 2026-03-09
Codeshare flight, operated by Delta Air Lines.(DL 332)
Mon 11:10 Boston Logan (BOS) A 14:31 Seattle-Tacoma (SEA)
LATAM Airlines LA 6216 Non-stop Airbus A320 (320) 6:21 Effective 2026-03-16 through 2026-03-23
Codeshare flight, operated by Delta Air Lines.(DL 332)
Wed 11:10 Boston Logan (BOS) A 14:29 Seattle-Tacoma (SEA)
LATAM Airlines LA 6236 Non-stop Airbus A320 (320) 6:19 Operates only on 2026-03-11
Codeshare flight, operated by Delta Air Lines.(DL 332)
Wed 11:10 Boston Logan (BOS) A 14:31 Seattle-Tacoma (SEA)
LATAM Airlines LA 6236 Non-stop Airbus A320 (320) 6:21 Effective 2026-03-18 through 2026-03-25
Codeshare flight, operated by Delta Air Lines.(DL 332)
Wed,Fri,Sun 11:00 Boston Logan (BOS) A 14:23 Seattle-Tacoma (SEA)
LATAM Airlines LA 6317 Non-stop Airbus A320 (320) 6:23 Effective 2026-04-15 through 2026-05-17
Codeshare flight, operated by Delta Air Lines.(DL 332)
Fri 11:00 Boston Logan (BOS) A 14:23 Seattle-Tacoma (SEA)
LATAM Airlines LA 6317 Non-stop Airbus A320 (320) 6:23 Effective 2026-05-22 through 2026-05-29
Codeshare flight, operated by Delta Air Lines.(DL 332)
Fri,Sun 11:00 Boston Logan (BOS) A 14:23 Seattle-Tacoma (SEA)
LATAM Airlines LA 6317 Non-stop Airbus A320 (320) 6:23 Effective 2026-05-31 through 2026-07-05
Codeshare flight, operated by Delta Air Lines.(DL 332)
Wed,Fri,Sun 11:00 Boston Logan (BOS) A 14:23 Seattle-Tacoma (SEA)
LATAM Airlines LA 6317 Non-stop Airbus A320 (320) 6:23 Effective 2026-07-08 through 2026-08-14
Codeshare flight, operated by Delta Air Lines.(DL 332)
Wed,Fri,Sun 11:10 Boston Logan (BOS) A 14:31 Seattle-Tacoma (SEA)
LATAM Airlines LA 6317 Non-stop Airbus A320 (320) 6:21 Effective 2026-04-01 through 2026-04-12
Codeshare flight, operated by Delta Air Lines.(DL 332)
Wed,Fri,Sun 11:00 Boston Logan (BOS) A 14:23 Seattle-Tacoma (SEA)
LATAM Airlines LA 7150 Non-stop Airbus A320 (320) 6:23 Effective 2026-08-16 through 2026-08-30
Codeshare flight, operated by Delta Air Lines.(DL 332)
Fri 11:00 Boston Logan (BOS) A 14:23 Seattle-Tacoma (SEA)
LATAM Airlines LA 7150 Non-stop Airbus A320 (320) 6:23 Effective 2026-09-04 through 2026-09-11
Codeshare flight, operated by Delta Air Lines.(DL 332)
Fri,Sun 11:00 Boston Logan (BOS) A 14:23 Seattle-Tacoma (SEA)
LATAM Airlines LA 7150 Non-stop Airbus A320 (320) 6:23 Effective 2026-09-13 through 2026-10-04
Codeshare flight, operated by Delta Air Lines.(DL 332)
Fri,Sun 11:00 Boston Logan (BOS) A 14:31 Seattle-Tacoma (SEA)
LATAM Airlines LA 7150 Non-stop Airbus A320 (320) 6:31 Effective from 2026-10-09
Codeshare flight, operated by Delta Air Lines.(DL 332)
Thu 11:00 Boston Logan (BOS) A 14:23 Seattle-Tacoma (SEA)
LATAM Airlines LA 8436 Non-stop Airbus A320 (320) 6:23 Effective 2026-04-16 through 2026-05-14
Codeshare flight, operated by Delta Air Lines.(DL 332)
Mon,Thu 11:00 Boston Logan (BOS) A 14:23 Seattle-Tacoma (SEA)
LATAM Airlines LA 8436 Non-stop Airbus A320 (320) 6:23 Effective 2026-05-18 through 2026-07-02
Codeshare flight, operated by Delta Air Lines.(DL 332)
Thu 11:00 Boston Logan (BOS) A 14:23 Seattle-Tacoma (SEA)
LATAM Airlines LA 8436 Non-stop Airbus A320 (320) 6:23 Effective 2026-07-09 through 2026-09-03
Codeshare flight, operated by Delta Air Lines.(DL 332)
Mon,Thu 11:00 Boston Logan (BOS) A 14:23 Seattle-Tacoma (SEA)
LATAM Airlines LA 8436 Non-stop Airbus A320 (320) 6:23 Effective 2026-09-07 through 2026-10-05
Codeshare flight, operated by Delta Air Lines.(DL 332)
Mon,Thu 11:00 Boston Logan (BOS) A 14:31 Seattle-Tacoma (SEA)
LATAM Airlines LA 8436 Non-stop Airbus A320 (320) 6:31 Effective 2026-10-08 through 2026-10-29
Codeshare flight, operated by Delta Air Lines.(DL 332)
Fri 11:10 Boston Logan (BOS) A 14:29 Seattle-Tacoma (SEA)
LATAM Airlines LA 8436 Non-stop Airbus A320 (320) 6:19 Operates only on 2026-03-13
Codeshare flight, operated by Delta Air Lines.(DL 332)
Fri 11:10 Boston Logan (BOS) A 14:31 Seattle-Tacoma (SEA)
LATAM Airlines LA 8436 Non-stop Airbus A320 (320) 6:21 Effective 2026-03-20 through 2026-03-27
Codeshare flight, operated by Delta Air Lines.(DL 332)
Thu 11:10 Boston Logan (BOS) A 14:31 Seattle-Tacoma (SEA)
LATAM Airlines LA 8436 Non-stop Airbus A320 (320) 6:21 Effective 2026-04-02 through 2026-04-09
Codeshare flight, operated by Delta Air Lines.(DL 332)
Sun 11:00 Boston Logan (BOS) A 14:40 Seattle-Tacoma (SEA)
LATAM Airlines LA 8953 Non-stop Airbus A320 (320) 6:40 Operates only on 2026-09-06
Codeshare flight, operated by Delta Air Lines.(DL 332)
Sun 11:00 Boston Logan (BOS) A 14:40 Seattle-Tacoma (SEA)
LATAM Airlines LA 8973 Non-stop Airbus A320 (320) 6:40 Operates only on 2026-05-24
Codeshare flight, operated by Delta Air Lines.(DL 332)


LATAM Airlines flights from Boston Logan (BOS) to Seattle-Tacoma (SEA).
Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:

Operates only on 2026-03-09
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 332)
Duration: 6:19, non-stop
Airbus A320 (320)

Direct Codeshare Flights:

Effective 2026-03-16 through 2026-03-23
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 332)
Duration: 6:21, non-stop
Airbus A320 (320)

Direct Codeshare Flights:

Operates only on 2026-03-11
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 332)
Duration: 6:19, non-stop
Airbus A320 (320)

Direct Codeshare Flights:

Effective 2026-03-18 through 2026-03-25
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 332)
Duration: 6:21, non-stop
Airbus A320 (320)

Direct Codeshare Flights:

Effective 2026-04-15 through 2026-05-17
Mon
-
Tue
-
Wed
Thu
-
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 332)
Duration: 6:23, non-stop
Airbus A320 (320)

Direct Codeshare Flights:

Effective 2026-05-22 through 2026-05-29
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 332)
Duration: 6:23, non-stop
Airbus A320 (320)

Direct Codeshare Flights:

Effective 2026-05-31 through 2026-07-05
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 332)
Duration: 6:23, non-stop
Airbus A320 (320)

Direct Codeshare Flights:

Effective 2026-07-08 through 2026-08-14
Mon
-
Tue
-
Wed
Thu
-
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 332)
Duration: 6:23, non-stop
Airbus A320 (320)

Direct Codeshare Flights:

Effective 2026-04-01 through 2026-04-12
Mon
-
Tue
-
Wed
Thu
-
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 332)
Duration: 6:21, non-stop
Airbus A320 (320)

Direct Codeshare Flights:

Effective 2026-08-16 through 2026-08-30
Mon
-
Tue
-
Wed
Thu
-
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 332)
Duration: 6:23, non-stop
Airbus A320 (320)

Direct Codeshare Flights:

Effective 2026-09-04 through 2026-09-11
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 332)
Duration: 6:23, non-stop
Airbus A320 (320)

Direct Codeshare Flights:

Effective 2026-09-13 through 2026-10-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 332)
Duration: 6:23, non-stop
Airbus A320 (320)

Direct Codeshare Flights:

Effective from 2026-10-09
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 332)
Duration: 6:31, non-stop
Airbus A320 (320)

Direct Codeshare Flights:

Effective 2026-04-16 through 2026-05-14
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 332)
Duration: 6:23, non-stop
Airbus A320 (320)

Direct Codeshare Flights:

Effective 2026-05-18 through 2026-07-02
Mon
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 332)
Duration: 6:23, non-stop
Airbus A320 (320)

Direct Codeshare Flights:

Effective 2026-07-09 through 2026-09-03
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 332)
Duration: 6:23, non-stop
Airbus A320 (320)

Direct Codeshare Flights:

Effective 2026-09-07 through 2026-10-05
Mon
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 332)
Duration: 6:23, non-stop
Airbus A320 (320)

Direct Codeshare Flights:

Effective 2026-10-08 through 2026-10-29
Mon
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 332)
Duration: 6:31, non-stop
Airbus A320 (320)

Direct Codeshare Flights:

Operates only on 2026-03-13
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 332)
Duration: 6:19, non-stop
Airbus A320 (320)

Direct Codeshare Flights:

Effective 2026-03-20 through 2026-03-27
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 332)
Duration: 6:21, non-stop
Airbus A320 (320)

Direct Codeshare Flights:

Effective 2026-04-02 through 2026-04-09
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 332)
Duration: 6:21, non-stop
Airbus A320 (320)

Direct Codeshare Flights:

Operates only on 2026-09-06
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 332)
Duration: 6:40, non-stop
Airbus A320 (320)

Direct Codeshare Flights:

Operates only on 2026-05-24
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 332)
Duration: 6:40, non-stop
Airbus A320 (320)
  • A domestic route departing from the Boston Logan airport (BOS) and arriving at Seattle-Tacoma airport (SEA).
  • The flight distance is 2487 miles, or 4003 km.
  • The timezone of the departure airport is UTC-5 , and the timezone of the arrival airport is UTC-8 . Current time at the point of departure is (loading...), and (loading...) at the point of arrival. There is a (loading...) hour time difference between the airports.
  • For direct flights, the flight time varies between 6:19 and 6:40.