🇺🇸 RDU
Raleigh/Durham
2396 mi
SEA 🇺🇸
Seattle

Raleigh/Durham to Seattle Flights

Raleigh Durham International Airport Seattle–Tacoma International Airport 2 airlines

Get Notified About Route Changes

Track up to 3 airports free. Weekly alerts when airlines add or remove routes.

Sign Up Free

The Raleigh/Durham to Seattle route connects Raleigh Durham International Airport (RDU) in US with Seattle–Tacoma International Airport (SEA) in US. This medium-haul flight covers approximately 2396 miles (3856 km) with a typical flight time of 5h 5m. This route is served by 2 airlines: Alaska Airlines, Delta Air Lines. AirportRoutes has tracked 3 unique flight numbers on this route.

Search tickets for this route

Compare flight prices across hundreds of booking sites

Search RDU → SEA flights

Opens a live price search — just pick your dates

Departure Airport

Raleigh Durham International Airport

ICAO Code:
KRDU
IATA Code:
RDU
City:
🇺🇸 Raleigh/Durham
Country:
US
Elevation:
435 ft

Destination Airport

Seattle–Tacoma International Airport

ICAO Code:
KSEA
IATA Code:
SEA
City:
🇺🇸 Seattle
Country:
US
Elevation:
433 ft

2

Operators

3

Tracked Flights

2396

Miles

5h 5m

Flight Duration

Route Map

Operating Airlines

Airline ICAO IATA
Alaska Airlines ASA AS
Delta Air Lines DAL DL

Flight Schedule Pattern

Day Flights Observed Frequency Activity
Monday 9 22%
Tuesday 3 8%
Wednesday 10 25%
Thursday 4 10%
Friday 6 15%
Saturday 2 5%
Sunday 6 15%

Pattern Analysis

3 Tracked Flights:
Data Points: 40
API observations used to build this analysis
Weekdays: 32 flights
Weekend: 8 flights
Business Route More active on weekdays

All Flight Routes

2 Routes
Note: This table shows aggregated route data by airline. Each airline may operate multiple daily flights at different times. See the "Spotted Departure Times" section below for all observed departure times.
Airline Flight Numbers Aircraft Type Typical Time Days Active Last Seen Status
B739 07:42 7:42 AM (Representative)
M T W T F S S
Jun 19, 2026 Active
B739 06:35 6:35 AM (Representative)
M T W T F S S
Jun 19, 2026 Active
Total Routes: 2
Active Routes: 2
Unique Airlines: 2
Aircraft Types: 1

Spotted Departure Times

Departure Time Operator ICAO IATA
06:35 6:35 AM Delta Air Lines DAL DL
07:42 7:42 AM Alaska Airlines ASA AS

Time Information

Times are shown in the departure airport's local timezone (KRDU - America/New_York).

Total Departure Times: 2
Time Range:
06:35 - 07:42
These are typical departure times observed from actual flights. Times may vary by season and schedule changes.