United Airlines flights from Raleigh/Durham (RDU) to Seattle-Tacoma (SEA).

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Select flight date:
FLIGHT SCHEDULE
Non-Direct Flights:
Daily 13:20 Raleigh/Durham (RDU) 2 22:18 Seattle-Tacoma (SEA)
United Airlines UA 684 2-stop Boeing 737-700 (73G) 11:58 Effective 2026-05-21 through 2026-06-24
Daily 06:30 Raleigh/Durham (RDU) 2 19:43 Seattle-Tacoma (SEA)
United Airlines UA 2638 2-stop Boeing 737-800 (738) 16:13 Effective 2026-04-30 through 2026-05-20
Daily 06:45 Raleigh/Durham (RDU) 2 19:12 Seattle-Tacoma (SEA)
United Airlines UA 2638 2-stop Boeing 737-800 (738) 15:27 Effective from 2026-05-21
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Parallax here RDU-SEA


United Airlines flights from Raleigh/Durham (RDU) to Seattle-Tacoma (SEA).
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Select flight date:
FLIGHT SCHEDULE
Non-Direct Flights:

Effective 2026-05-21 through 2026-06-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 11:58, 2-stop
Boeing 737-700 (73G)

Non-Direct Flights:

Effective 2026-04-30 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 16:13, 2-stop
Boeing 737-800 (738)

Non-Direct Flights:

Effective from 2026-05-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 15:27, 2-stop
Boeing 737-800 (738)
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  • A domestic route departing from the Raleigh/Durham airport (RDU) and arriving at Seattle-Tacoma airport (SEA).
  • The flight distance is 2348 miles, or 3779 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.