All airlines flying from Seattle-Tacoma (SEA) to Raleigh/Durham (RDU).

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FLIGHT SCHEDULE
Direct Flights:
Daily 21:17 Seattle-Tacoma (SEA) 05:40 Raleigh/Durham (RDU) 1 Alaska Airlines AS 199 Non-stop Boeing 737 (73J) 5:23 Effective 2026-03-18 through 2026-04-21 The flight arrives 1 day after departure.
Daily 21:15 Seattle-Tacoma (SEA) 05:38 Raleigh/Durham (RDU) 1 Alaska Airlines AS 335 Non-stop Boeing 737 (73J) 5:23 Effective 2026-04-22 through 2026-05-12 The flight arrives 1 day after departure.
Daily 21:37 Seattle-Tacoma (SEA) 05:41 Raleigh/Durham (RDU) 1 Alaska Airlines AS 335 Non-stop Boeing 737 (73J) 5:04 Effective 2026-05-13 through 2026-06-09 The flight arrives 1 day after departure.
Daily 14:45 Seattle-Tacoma (SEA) 22:54 Raleigh/Durham (RDU) 2 Delta Air Lines DL 489 Non-stop Boeing 737-900 (739) 5:09 Effective 2026-05-07 through 2026-10-05
Daily 14:45 Seattle-Tacoma (SEA) 22:41 Raleigh/Durham (RDU) 2 Delta Air Lines DL 489 Non-stop Boeing 737-900 (739) 4:56 Effective from 2026-10-06
Mon-Fri 15:45 Seattle-Tacoma (SEA) 23:39 Raleigh/Durham (RDU) 2 Delta Air Lines DL 489 Non-stop Boeing 737-800 (738) 4:54 Valid until 2026-01-02
Daily 15:50 Seattle-Tacoma (SEA) 23:59 Raleigh/Durham (RDU) 2 Delta Air Lines DL 489 Non-stop Boeing 737-800 (738) 5:09 Effective 2026-04-13 through 2026-05-06
Tue,Thu 15:55 Seattle-Tacoma (SEA) 23:47 Raleigh/Durham (RDU) 2 Delta Air Lines DL 489 Non-stop Boeing 737-800 (738) 4:52 Effective 2026-02-12 through 2026-02-19
Mon-Fri,Sun 15:55 Seattle-Tacoma (SEA) 23:47 Raleigh/Durham (RDU) 2 Delta Air Lines DL 489 Non-stop Boeing 737-800 (738) 4:52 Effective 2026-02-20 through 2026-02-27
Daily 15:55 Seattle-Tacoma (SEA) 23:47 Raleigh/Durham (RDU) 2 Delta Air Lines DL 489 Non-stop Boeing 737-800 (738) 4:52 Effective 2026-02-28 through 2026-03-07
Daily 15:55 Seattle-Tacoma (SEA) 23:45 Raleigh/Durham (RDU) 2 Delta Air Lines DL 489 Non-stop Boeing 737-800 (738) 4:50 Effective 2026-03-08 through 2026-03-14
Daily 15:55 Seattle-Tacoma (SEA) 23:46 Raleigh/Durham (RDU) 2 Delta Air Lines DL 489 Non-stop Boeing 737-800 (738) 4:51 Effective 2026-03-15 through 2026-04-12
Mon-Wed,Sat,Sun 15:59 Seattle-Tacoma (SEA) 23:53 Raleigh/Durham (RDU) 2 Delta Air Lines DL 489 Non-stop Boeing 737-800 (738) 4:54 Effective 2026-01-05 through 2026-01-14
Daily 15:59 Seattle-Tacoma (SEA) 23:53 Raleigh/Durham (RDU) 2 Delta Air Lines DL 489 Non-stop Boeing 737-800 (738) 4:54 Effective 2026-01-15 through 2026-02-11
Mon,Wed,Fri-Sun 22:15 Seattle-Tacoma (SEA) 06:07 Raleigh/Durham (RDU) 2 Delta Air Lines DL 489 Non-stop Boeing 737-800 (738) 4:52 Effective 2026-02-13 through 2026-02-18 The flight arrives 1 day after departure.
Sat 22:15 Seattle-Tacoma (SEA) 06:07 Raleigh/Durham (RDU) 2 Delta Air Lines DL 489 Non-stop Boeing 737-800 (738) 4:52 Operates only on 2026-02-21 The flight arrives 1 day after departure.
Thu,Fri 22:35 Seattle-Tacoma (SEA) 06:30 Raleigh/Durham (RDU) 2 Delta Air Lines DL 489 Non-stop Boeing 737-800 (738) 4:55 Effective 2026-01-08 through 2026-01-09 The flight arrives 1 day after departure.
Sat,Sun 22:43 Seattle-Tacoma (SEA) 06:34 Raleigh/Durham (RDU) 2 Delta Air Lines DL 489 Non-stop Boeing 737-800 (738) 4:51 Effective 2026-01-03 through 2026-01-04 The flight arrives 1 day after departure.
Wed 08:10 Seattle-Tacoma (SEA) 16:26 Raleigh/Durham (RDU) 1 Alaska Airlines AS 572 Non-stop Boeing 737 (73J) 5:16 Operates only on 2026-03-18
Daily 08:10 Seattle-Tacoma (SEA) 16:33 Raleigh/Durham (RDU) 1 Alaska Airlines AS 572 Non-stop Boeing 737 (73J) 5:23 Effective 2026-03-19 through 2026-05-12
Daily 08:28 Seattle-Tacoma (SEA) 16:42 Raleigh/Durham (RDU) 1 Alaska Airlines AS 572 Non-stop Boeing 737 (73J) 5:14 Effective 2026-05-13 through 2026-06-09
Daily 08:55 Seattle-Tacoma (SEA) 17:00 Raleigh/Durham (RDU) 1 Alaska Airlines AS 572 Non-stop Boeing 737 (73J) 5:05 Effective from 2026-06-10
Wed,Thu,Sun 09:49 Seattle-Tacoma (SEA) 17:51 Raleigh/Durham (RDU) 1 Alaska Airlines AS 572 Non-stop Boeing 737 (73J) 5:02 Effective 2026-02-12 through 2026-02-19
Fri,Sat 09:49 Seattle-Tacoma (SEA) 17:51 Raleigh/Durham (RDU) 1 Alaska Airlines AS 572 Non-stop Boeing 737 MAX 9 (7M9) 5:02 Effective 2026-02-13 through 2026-02-21
Mon,Tue 09:49 Seattle-Tacoma (SEA) 17:51 Raleigh/Durham (RDU) 1 Alaska Airlines AS 572 Non-stop Boeing 737-800 (73H) 5:02 Effective 2026-02-16 through 2026-02-17
Tue,Wed,Fri-Sun 09:49 Seattle-Tacoma (SEA) 17:51 Raleigh/Durham (RDU) 1 Alaska Airlines AS 572 Non-stop Boeing 737 MAX 9 (7M9) 5:02 Effective 2026-02-22 through 2026-03-01
Mon,Thu 09:49 Seattle-Tacoma (SEA) 17:51 Raleigh/Durham (RDU) 1 Alaska Airlines AS 572 Non-stop Boeing 737 (73J) 5:02 Effective 2026-02-23 through 2026-02-26
Mon-Wed,Fri-Sun 09:49 Seattle-Tacoma (SEA) 17:51 Raleigh/Durham (RDU) 1 Alaska Airlines AS 572 Non-stop Boeing 737 MAX 9 (7M9) 5:02 Effective 2026-03-02 through 2026-03-11
Thu 09:49 Seattle-Tacoma (SEA) 17:51 Raleigh/Durham (RDU) 1 Alaska Airlines AS 572 Non-stop Boeing 737 (73J) 5:02 Effective 2026-03-05 through 2026-03-12
Mon,Tue,Fri 09:49 Seattle-Tacoma (SEA) 17:51 Raleigh/Durham (RDU) 1 Alaska Airlines AS 572 Non-stop Boeing 737 (73J) 5:02 Effective 2026-03-13 through 2026-03-17
Sat 09:49 Seattle-Tacoma (SEA) 17:51 Raleigh/Durham (RDU) 1 Alaska Airlines AS 572 Non-stop Boeing 737 MAX 9 (7M9) 5:02 Operates only on 2026-03-14
Sun 09:49 Seattle-Tacoma (SEA) 17:51 Raleigh/Durham (RDU) 1 Alaska Airlines AS 572 Non-stop Boeing 737-800 (73H) 5:02 Operates only on 2026-03-15
Mon-Wed,Sat,Sun 09:54 Seattle-Tacoma (SEA) 18:05 Raleigh/Durham (RDU) 1 Alaska Airlines AS 572 Non-stop Boeing 737 (73J) 5:11 Valid until 2026-01-06
Thu 09:54 Seattle-Tacoma (SEA) 18:05 Raleigh/Durham (RDU) 1 Alaska Airlines AS 572 Non-stop Boeing 737 MAX 9 (7M9) 5:11 Operates only on 2026-01-01
Fri 09:54 Seattle-Tacoma (SEA) 18:05 Raleigh/Durham (RDU) 1 Alaska Airlines AS 572 Non-stop Boeing 737-800 (73H) 5:11 Operates only on 2026-01-02
Mon-Fri,Sun 10:00 Seattle-Tacoma (SEA) 18:04 Raleigh/Durham (RDU) 1 Alaska Airlines AS 572 Non-stop Boeing 737 MAX 9 (7M9) 5:04 Effective 2026-01-07 through 2026-01-15
Sat 10:00 Seattle-Tacoma (SEA) 18:04 Raleigh/Durham (RDU) 1 Alaska Airlines AS 572 Non-stop Boeing 737 (73J) 5:04 Operates only on 2026-01-10
Fri 10:00 Seattle-Tacoma (SEA) 18:04 Raleigh/Durham (RDU) 1 Alaska Airlines AS 572 Non-stop Boeing 737-800 (73H) 5:04 Operates only on 2026-01-16
Tue-Sun 10:00 Seattle-Tacoma (SEA) 18:04 Raleigh/Durham (RDU) 1 Alaska Airlines AS 572 Non-stop Boeing 737 MAX 9 (7M9) 5:04 Effective 2026-01-17 through 2026-01-28
Mon 10:00 Seattle-Tacoma (SEA) 18:04 Raleigh/Durham (RDU) 1 Alaska Airlines AS 572 Non-stop Boeing 737 (73J) 5:04 Effective 2026-01-19 through 2026-01-26
Thu 10:00 Seattle-Tacoma (SEA) 18:04 Raleigh/Durham (RDU) 1 Alaska Airlines AS 572 Non-stop Boeing 737 (73J) 5:04 Operates only on 2026-01-29
Daily 10:00 Seattle-Tacoma (SEA) 18:04 Raleigh/Durham (RDU) 1 Alaska Airlines AS 572 Non-stop Boeing 737 MAX 9 (7M9) 5:04 Effective 2026-01-30 through 2026-02-11
Mon 22:04 Seattle-Tacoma (SEA) 06:05 Raleigh/Durham (RDU) 1 Alaska Airlines AS 677 Non-stop Boeing 737 (73J) 5:01 Valid until 2026-01-05 The flight arrives 1 day after departure.
Tue,Fri 22:04 Seattle-Tacoma (SEA) 06:05 Raleigh/Durham (RDU) 1 Alaska Airlines AS 677 Non-stop Boeing 737 MAX 9 (7M9) 5:01 Valid until 2026-01-02 The flight arrives 1 day after departure.
Sat,Sun 22:04 Seattle-Tacoma (SEA) 06:05 Raleigh/Durham (RDU) 1 Alaska Airlines AS 677 Non-stop Boeing 737-800 (73H) 5:01 Effective 2026-01-03 through 2026-01-04 The flight arrives 1 day after departure.
Daily 21:55 Seattle-Tacoma (SEA) 06:02 Raleigh/Durham (RDU) 1 Alaska Airlines AS 685 Non-stop Boeing 737 (73J) 5:07 Effective 2026-06-10 through 2026-10-02 The flight arrives 1 day after departure.
Non-Direct Flights:
Daily 06:00 Seattle-Tacoma (SEA) 18:12 Raleigh/Durham (RDU) 2 United Airlines UA 2093 1-stop Boeing 737-900 (739) 9:12 Valid until 2026-01-05
Sat 06:15 Seattle-Tacoma (SEA) 15:45 Raleigh/Durham (RDU) 1 Southwest Airlines WN 2810 1-stop Boeing 737-800 (73H) 6:30 Effective 2026-06-06 through 2026-08-01
Sat 13:20 Seattle-Tacoma (SEA) 23:50 Raleigh/Durham (RDU) 1 Southwest Airlines WN 4200 1-stop Boeing 737 MAX 8 (7M8) 7:30 Effective 2026-04-11 through 2026-05-30
Direct Codeshare Flights:
Wed 10:00 Seattle-Tacoma (SEA) 18:04 Raleigh/Durham (RDU) 1 Air Tahiti Nui TN 2325 Non-stop Boeing 737 MAX 9 (7M9) 5:04 Operates only on 2026-02-11 Codeshare flight, operated by Alaska Airlines.(AS 572)

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Parallax here SEA-RDU

1 2 3

A domestic route departing from the Seattle-Tacoma airport (SEA) and arriving at Raleigh/Durham airport (RDU).
The flight distance is 2348 miles, or 3779 km.
The timezone of the departure airport is UTC-8 , and the timezone of the arrival airport is UTC-5 . 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 4:50 and 5:23.

Return (RDU-SEA) flights

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All airlines flying from Seattle-Tacoma (SEA) to Raleigh/Durham (RDU).

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FLIGHT SCHEDULE

Direct Flights:

Alaska Airlines AS199

21:17

Seattle-Tacoma (SEA)

05:40(+1)

Raleigh/Durham (RDU) 1

Effective 2026-03-18 through 2026-04-21

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 5:23, non-stop
Boeing 737 (73J)
The flight arrives 1 day after departure.

Direct Flights:

Alaska Airlines AS335

21:15

Seattle-Tacoma (SEA)

05:38(+1)

Raleigh/Durham (RDU) 1

Effective 2026-04-22 through 2026-05-12

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 5:23, non-stop
Boeing 737 (73J)
The flight arrives 1 day after departure.

Direct Flights:

Alaska Airlines AS335

21:37

Seattle-Tacoma (SEA)

05:41(+1)

Raleigh/Durham (RDU) 1

Effective 2026-05-13 through 2026-06-09

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 5:04, non-stop
Boeing 737 (73J)
The flight arrives 1 day after departure.

Direct Flights:

Delta Air Lines DL489

14:45

Seattle-Tacoma (SEA)

22:54

Raleigh/Durham (RDU) 2

Effective 2026-05-07 through 2026-10-05

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 5:09, non-stop
Boeing 737-900 (739)

Direct Flights:

Delta Air Lines DL489

14:45

Seattle-Tacoma (SEA)

22:41

Raleigh/Durham (RDU) 2

Effective from 2026-10-06

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 4:56, non-stop
Boeing 737-900 (739)

Direct Flights:

Delta Air Lines DL489

15:45

Seattle-Tacoma (SEA)

23:39

Raleigh/Durham (RDU) 2

Valid until 2026-01-02

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun
-

Duration: 4:54, non-stop
Boeing 737-800 (738)

Direct Flights:

Delta Air Lines DL489

15:50

Seattle-Tacoma (SEA)

23:59

Raleigh/Durham (RDU) 2

Effective 2026-04-13 through 2026-05-06

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 5:09, non-stop
Boeing 737-800 (738)

Direct Flights:

Delta Air Lines DL489

15:55

Seattle-Tacoma (SEA)

23:47

Raleigh/Durham (RDU) 2

Effective 2026-02-12 through 2026-02-19

Mon
-

Tue

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Duration: 4:52, non-stop
Boeing 737-800 (738)

Direct Flights:

Delta Air Lines DL489

15:55

Seattle-Tacoma (SEA)

23:47

Raleigh/Durham (RDU) 2

Effective 2026-02-20 through 2026-02-27

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Duration: 4:52, non-stop
Boeing 737-800 (738)

Direct Flights:

Delta Air Lines DL489

15:55

Seattle-Tacoma (SEA)

23:47

Raleigh/Durham (RDU) 2

Effective 2026-02-28 through 2026-03-07

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 4:52, non-stop
Boeing 737-800 (738)

Direct Flights:

Delta Air Lines DL489

15:55

Seattle-Tacoma (SEA)

23:45

Raleigh/Durham (RDU) 2

Effective 2026-03-08 through 2026-03-14

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 4:50, non-stop
Boeing 737-800 (738)

Direct Flights:

Delta Air Lines DL489

15:55

Seattle-Tacoma (SEA)

23:46

Raleigh/Durham (RDU) 2

Effective 2026-03-15 through 2026-04-12

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 4:51, non-stop
Boeing 737-800 (738)

Direct Flights:

Delta Air Lines DL489

15:59

Seattle-Tacoma (SEA)

23:53

Raleigh/Durham (RDU) 2

Effective 2026-01-05 through 2026-01-14

Mon

Tue

Wed

Thu
-

Fri
-

Sat

Sun

Duration: 4:54, non-stop
Boeing 737-800 (738)

Direct Flights:

Delta Air Lines DL489

15:59

Seattle-Tacoma (SEA)

23:53

Raleigh/Durham (RDU) 2

Effective 2026-01-15 through 2026-02-11

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 4:54, non-stop
Boeing 737-800 (738)

Direct Flights:

Delta Air Lines DL489

22:15

Seattle-Tacoma (SEA)

06:07(+1)

Raleigh/Durham (RDU) 2

Effective 2026-02-13 through 2026-02-18

Mon

Tue
-

Wed

Thu
-

Fri

Sat

Sun

Duration: 4:52, non-stop
Boeing 737-800 (738)
The flight arrives 1 day after departure.

Direct Flights:

Delta Air Lines DL489

22:15

Seattle-Tacoma (SEA)

06:07(+1)

Raleigh/Durham (RDU) 2

Operates only on 2026-02-21

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 4:52, non-stop
Boeing 737-800 (738)
The flight arrives 1 day after departure.

Direct Flights:

Delta Air Lines DL489

22:35

Seattle-Tacoma (SEA)

06:30(+1)

Raleigh/Durham (RDU) 2

Effective 2026-01-08 through 2026-01-09

Mon
-

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 4:55, non-stop
Boeing 737-800 (738)
The flight arrives 1 day after departure.

Direct Flights:

Delta Air Lines DL489

22:43

Seattle-Tacoma (SEA)

06:34(+1)

Raleigh/Durham (RDU) 2

Effective 2026-01-03 through 2026-01-04

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun

Duration: 4:51, non-stop
Boeing 737-800 (738)
The flight arrives 1 day after departure.

Direct Flights:

Alaska Airlines AS572

08:10

Seattle-Tacoma (SEA)

16:26

Raleigh/Durham (RDU) 1

Operates only on 2026-03-18

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 5:16, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS572

08:10

Seattle-Tacoma (SEA)

16:33

Raleigh/Durham (RDU) 1

Effective 2026-03-19 through 2026-05-12

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 5:23, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS572

08:28

Seattle-Tacoma (SEA)

16:42

Raleigh/Durham (RDU) 1

Effective 2026-05-13 through 2026-06-09

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 5:14, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS572

08:55

Seattle-Tacoma (SEA)

17:00

Raleigh/Durham (RDU) 1

Effective from 2026-06-10

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 5:05, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS572

09:49

Seattle-Tacoma (SEA)

17:51

Raleigh/Durham (RDU) 1

Effective 2026-02-12 through 2026-02-19

Mon
-

Tue
-

Wed

Thu

Fri
-

Sat
-

Sun

Duration: 5:02, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS572

09:49

Seattle-Tacoma (SEA)

17:51

Raleigh/Durham (RDU) 1

Effective 2026-02-13 through 2026-02-21

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat

Sun
-

Duration: 5:02, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

Alaska Airlines AS572

09:49

Seattle-Tacoma (SEA)

17:51

Raleigh/Durham (RDU) 1

Effective 2026-02-16 through 2026-02-17

Mon

Tue

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 5:02, non-stop
Boeing 737-800 (73H)

Direct Flights:

Alaska Airlines AS572

09:49

Seattle-Tacoma (SEA)

17:51

Raleigh/Durham (RDU) 1

Effective 2026-02-22 through 2026-03-01

Mon
-

Tue

Wed

Thu
-

Fri

Sat

Sun

Duration: 5:02, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

Alaska Airlines AS572

09:49

Seattle-Tacoma (SEA)

17:51

Raleigh/Durham (RDU) 1

Effective 2026-02-23 through 2026-02-26

Mon

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Duration: 5:02, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS572

09:49

Seattle-Tacoma (SEA)

17:51

Raleigh/Durham (RDU) 1

Effective 2026-03-02 through 2026-03-11

Mon

Tue

Wed

Thu
-

Fri

Sat

Sun

Duration: 5:02, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

Alaska Airlines AS572

09:49

Seattle-Tacoma (SEA)

17:51

Raleigh/Durham (RDU) 1

Effective 2026-03-05 through 2026-03-12

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Duration: 5:02, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS572

09:49

Seattle-Tacoma (SEA)

17:51

Raleigh/Durham (RDU) 1

Effective 2026-03-13 through 2026-03-17

Mon

Tue

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Duration: 5:02, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS572

09:49

Seattle-Tacoma (SEA)

17:51

Raleigh/Durham (RDU) 1

Operates only on 2026-03-14

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 5:02, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

Alaska Airlines AS572

09:49

Seattle-Tacoma (SEA)

17:51

Raleigh/Durham (RDU) 1

Operates only on 2026-03-15

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 5:02, non-stop
Boeing 737-800 (73H)

Direct Flights:

Alaska Airlines AS572

09:54

Seattle-Tacoma (SEA)

18:05

Raleigh/Durham (RDU) 1

Valid until 2026-01-06

Mon

Tue

Wed

Thu
-

Fri
-

Sat

Sun

Duration: 5:11, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS572

09:54

Seattle-Tacoma (SEA)

18:05

Raleigh/Durham (RDU) 1

Operates only on 2026-01-01

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Duration: 5:11, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

Alaska Airlines AS572

09:54

Seattle-Tacoma (SEA)

18:05

Raleigh/Durham (RDU) 1

Operates only on 2026-01-02

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Duration: 5:11, non-stop
Boeing 737-800 (73H)

Direct Flights:

Alaska Airlines AS572

10:00

Seattle-Tacoma (SEA)

18:04

Raleigh/Durham (RDU) 1

Effective 2026-01-07 through 2026-01-15

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Duration: 5:04, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

Alaska Airlines AS572

10:00

Seattle-Tacoma (SEA)

18:04

Raleigh/Durham (RDU) 1

Operates only on 2026-01-10

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 5:04, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS572

10:00

Seattle-Tacoma (SEA)

18:04

Raleigh/Durham (RDU) 1

Operates only on 2026-01-16

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Duration: 5:04, non-stop
Boeing 737-800 (73H)

Direct Flights:

Alaska Airlines AS572

10:00

Seattle-Tacoma (SEA)

18:04

Raleigh/Durham (RDU) 1

Effective 2026-01-17 through 2026-01-28

Mon
-

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 5:04, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

Alaska Airlines AS572

10:00

Seattle-Tacoma (SEA)

18:04

Raleigh/Durham (RDU) 1

Effective 2026-01-19 through 2026-01-26

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 5:04, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS572

10:00

Seattle-Tacoma (SEA)

18:04

Raleigh/Durham (RDU) 1

Operates only on 2026-01-29

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Duration: 5:04, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS572

10:00

Seattle-Tacoma (SEA)

18:04

Raleigh/Durham (RDU) 1

Effective 2026-01-30 through 2026-02-11

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 5:04, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

Alaska Airlines AS677

22:04

Seattle-Tacoma (SEA)

06:05(+1)

Raleigh/Durham (RDU) 1

Valid until 2026-01-05

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 5:01, non-stop
Boeing 737 (73J)
The flight arrives 1 day after departure.

Direct Flights:

Alaska Airlines AS677

22:04

Seattle-Tacoma (SEA)

06:05(+1)

Raleigh/Durham (RDU) 1

Valid until 2026-01-02

Mon
-

Tue

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Duration: 5:01, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.

Direct Flights:

Alaska Airlines AS677

22:04

Seattle-Tacoma (SEA)

06:05(+1)

Raleigh/Durham (RDU) 1

Effective 2026-01-03 through 2026-01-04

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun

Duration: 5:01, non-stop
Boeing 737-800 (73H)
The flight arrives 1 day after departure.

Direct Flights:

Alaska Airlines AS685

21:55

Seattle-Tacoma (SEA)

06:02(+1)

Raleigh/Durham (RDU) 1

Effective 2026-06-10 through 2026-10-02

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 5:07, non-stop
Boeing 737 (73J)
The flight arrives 1 day after departure.

Non-Direct Flights:

United Airlines UA2093

06:00

Seattle-Tacoma (SEA)

18:12

Raleigh/Durham (RDU) 2

Valid until 2026-01-05

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 9:12, 1-stop
Boeing 737-900 (739)

Non-Direct Flights:

Southwest Airlines WN2810

06:15

Seattle-Tacoma (SEA)

15:45

Raleigh/Durham (RDU) 1

Effective 2026-06-06 through 2026-08-01

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 6:30, 1-stop
Boeing 737-800 (73H)

Non-Direct Flights:

Southwest Airlines WN4200

13:20

Seattle-Tacoma (SEA)

23:50

Raleigh/Durham (RDU) 1

Effective 2026-04-11 through 2026-05-30

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 7:30, 1-stop
Boeing 737 MAX 8 (7M8)

Direct Codeshare Flights:

Air Tahiti Nui TN2325

10:00

Seattle-Tacoma (SEA)

18:04

Raleigh/Durham (RDU) 1

Operates only on 2026-02-11

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Codeshare flight, operated by Alaska Airlines. (AS 572)

Duration: 5:04, non-stop
Boeing 737 MAX 9 (7M9)

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Parallax here SEA-RDU

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A domestic route departing from the Seattle-Tacoma airport (SEA) and arriving at Raleigh/Durham airport (RDU).
The flight distance is 2348 miles, or 3779 km.
The timezone of the departure airport is UTC-8 , and the timezone of the arrival airport is UTC-5 . 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 4:50 and 5:23.

Return (RDU-SEA) flights

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