KLM flights from Atlanta (ATL) to Seattle-Tacoma (SEA).

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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Tue,Thu,Sat 16:25 Atlanta (ATL) S 18:59 Seattle-Tacoma (SEA)
KLM KL 5626 Non-stop Boeing 757-300 (753) 5:34 Effective from 2026-10-27
Codeshare flight, operated by Delta Air Lines.(DL 472)
Tue,Thu-Sun 19:25 Atlanta (ATL) S 21:54 Seattle-Tacoma (SEA)
KLM KL 6637 Non-stop Boeing 737-900 (739) 5:29 Effective 2026-03-08 through 2026-03-14
Codeshare flight, operated by Delta Air Lines.(DL 714)
Tue,Thu-Sun 19:25 Atlanta (ATL) S 21:56 Seattle-Tacoma (SEA)
KLM KL 6637 Non-stop Boeing 737-900 (739) 5:31 Effective 2026-03-15 through 2026-03-28
Codeshare flight, operated by Delta Air Lines.(DL 714)
Mon-Fri,Sun 16:10 Atlanta (ATL) S 18:43 Seattle-Tacoma (SEA)
KLM KL 7402 Non-stop Boeing 737-900 (739) 5:33 Effective 2026-02-12 through 2026-03-06
Codeshare flight, operated by Delta Air Lines.(DL 481)
Sat 16:10 Atlanta (ATL) S 18:45 Seattle-Tacoma (SEA)
KLM KL 7402 Non-stop Airbus A321neo (32Q) 5:35 Effective 2026-02-14 through 2026-03-07
Codeshare flight, operated by Delta Air Lines.(DL 481)
Daily 16:29 Atlanta (ATL) S 19:00 Seattle-Tacoma (SEA)
KLM KL 7402 Non-stop Boeing 737-900 (739) 5:31 Effective 2026-01-05 through 2026-02-11
Codeshare flight, operated by Delta Air Lines.(DL 481)
Sat 16:30 Atlanta (ATL) S 19:00 Seattle-Tacoma (SEA)
KLM KL 7402 Non-stop Boeing 737-900 (739) 5:30 Operates only on 2026-03-14
Codeshare flight, operated by Delta Air Lines.(DL 481)
Sat 16:30 Atlanta (ATL) S 19:02 Seattle-Tacoma (SEA)
KLM KL 7402 Non-stop Boeing 737-900 (739) 5:32 Effective 2026-03-21 through 2026-03-28
Codeshare flight, operated by Delta Air Lines.(DL 481)
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Parallax here ATL-SEA


KLM flights from Atlanta (ATL) to Seattle-Tacoma (SEA).
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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:

Effective from 2026-10-27
Mon
-
Tue
Wed
-
Thu
Fri
-
Sat
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 472)
Duration: 5:34, non-stop
Boeing 757-300 (753)

Direct Codeshare Flights:

Effective 2026-03-08 through 2026-03-14
Mon
-
Tue
Wed
-
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 714)
Duration: 5:29, non-stop
Boeing 737-900 (739)

Direct Codeshare Flights:

Effective 2026-03-15 through 2026-03-28
Mon
-
Tue
Wed
-
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 714)
Duration: 5:31, non-stop
Boeing 737-900 (739)

Direct Codeshare Flights:

Effective 2026-02-12 through 2026-03-06
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 481)
Duration: 5:33, non-stop
Boeing 737-900 (739)

Direct Codeshare Flights:

Effective 2026-02-14 through 2026-03-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 481)
Duration: 5:35, non-stop
Airbus A321neo (32Q)

Direct Codeshare Flights:

Effective 2026-01-05 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 481)
Duration: 5:31, non-stop
Boeing 737-900 (739)

Direct Codeshare Flights:

Operates only on 2026-03-14
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 481)
Duration: 5:30, non-stop
Boeing 737-900 (739)

Direct Codeshare Flights:

Effective 2026-03-21 through 2026-03-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 481)
Duration: 5:32, non-stop
Boeing 737-900 (739)
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Parallax here ATL-SEA
  • A domestic route departing from the Atlanta airport (ATL) and arriving at Seattle-Tacoma airport (SEA).
  • The flight distance is 2177 miles, or 3503 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 5:29 and 5:35.