Alaska Airlines flights from Cincinnati (CVG) to Seattle-Tacoma (SEA).

FLIGHT SCHEDULE
Direct Flights:
Daily 18:40 Cincinnati (CVG) 20:35 Seattle-Tacoma (SEA) Alaska Airlines AS 393 Non-stop Boeing 737 (73J) 4:55 Effective 2026-05-13 through 2026-06-09
Daily 08:40 Cincinnati (CVG) 10:41 Seattle-Tacoma (SEA) Alaska Airlines AS 428 Non-stop Boeing 737 (73J) 5:01 Effective 2026-06-10 through 2026-08-18
Daily 18:10 Cincinnati (CVG) 20:12 Seattle-Tacoma (SEA) Alaska Airlines AS 508 Non-stop Boeing 737 (73J) 5:02 Effective 2026-03-19 through 2026-05-12
Daily 18:37 Cincinnati (CVG) 20:37 Seattle-Tacoma (SEA) Alaska Airlines AS 508 Non-stop Boeing 737 (73J) 5:00 Effective from 2026-06-10
Mon-Wed,Fri,Sat 18:39 Cincinnati (CVG) 20:39 Seattle-Tacoma (SEA) Alaska Airlines AS 508 Non-stop Boeing 737 (73J) 5:00 Valid until 2026-01-05
Tue,Thu,Sun 18:39 Cincinnati (CVG) 20:39 Seattle-Tacoma (SEA) Alaska Airlines AS 508 Non-stop Boeing 737 MAX 9 (7M9) 5:00 Valid until 2026-01-06
Thu 08:09 Cincinnati (CVG) 10:20 Seattle-Tacoma (SEA) Alaska Airlines AS 509 Non-stop Boeing 737-800 (73H) 5:11 Operates only on 2026-02-12
Mon-Sat 08:09 Cincinnati (CVG) 10:20 Seattle-Tacoma (SEA) Alaska Airlines AS 509 Non-stop Boeing 737 (73J) 5:11 Effective 2026-02-13 through 2026-02-21
Sun 08:09 Cincinnati (CVG) 10:20 Seattle-Tacoma (SEA) Alaska Airlines AS 509 Non-stop Boeing 737 MAX 9 (7M9) 5:11 Operates only on 2026-02-15
Mon-Fri,Sun 08:09 Cincinnati (CVG) 10:20 Seattle-Tacoma (SEA) Alaska Airlines AS 509 Non-stop Boeing 737 (73J) 5:11 Effective 2026-02-22 through 2026-03-03
Thu,Sat 08:09 Cincinnati (CVG) 10:20 Seattle-Tacoma (SEA) Alaska Airlines AS 509 Non-stop Boeing 737-800 (73H) 5:11 Effective 2026-02-28 through 2026-03-05
Wed,Fri,Sat 08:09 Cincinnati (CVG) 10:20 Seattle-Tacoma (SEA) Alaska Airlines AS 509 Non-stop Boeing 737 MAX 9 (7M9) 5:11 Effective 2026-03-04 through 2026-03-11
Fri,Sun 08:09 Cincinnati (CVG) 10:20 Seattle-Tacoma (SEA) Alaska Airlines AS 509 Non-stop Boeing 737 (73J) 5:11 Effective 2026-03-08 through 2026-03-15
Mon,Tue,Sat 08:09 Cincinnati (CVG) 10:20 Seattle-Tacoma (SEA) Alaska Airlines AS 509 Non-stop Boeing 737-800 (73H) 5:11 Effective 2026-03-09 through 2026-03-14
Tue,Thu 08:09 Cincinnati (CVG) 10:20 Seattle-Tacoma (SEA) Alaska Airlines AS 509 Non-stop Boeing 737 MAX 9 (7M9) 5:11 Effective 2026-03-12 through 2026-03-17
Mon 08:09 Cincinnati (CVG) 10:20 Seattle-Tacoma (SEA) Alaska Airlines AS 509 Non-stop Boeing 737 (73J) 5:11 Operates only on 2026-03-16
Mon-Thu,Sun 08:00 Cincinnati (CVG) 10:10 Seattle-Tacoma (SEA) Alaska Airlines AS 515 Non-stop Boeing 737 (73J) 5:10 Effective 2026-01-08 through 2026-01-18
Fri,Sat 08:00 Cincinnati (CVG) 10:10 Seattle-Tacoma (SEA) Alaska Airlines AS 515 Non-stop Boeing 737-800 (73H) 5:10 Effective 2026-01-09 through 2026-01-17
Mon,Tue,Thu-Sat 08:00 Cincinnati (CVG) 10:10 Seattle-Tacoma (SEA) Alaska Airlines AS 515 Non-stop Boeing 737-800 (73H) 5:10 Effective 2026-01-19 through 2026-01-26
Tue,Wed,Sun 08:00 Cincinnati (CVG) 10:10 Seattle-Tacoma (SEA) Alaska Airlines AS 515 Non-stop Boeing 737 (73J) 5:10 Effective 2026-01-21 through 2026-01-28
Mon,Wed,Thu 08:00 Cincinnati (CVG) 10:10 Seattle-Tacoma (SEA) Alaska Airlines AS 515 Non-stop Boeing 737-800 (73H) 5:10 Effective 2026-01-29 through 2026-02-05
Tue,Fri-Sun 08:00 Cincinnati (CVG) 10:10 Seattle-Tacoma (SEA) Alaska Airlines AS 515 Non-stop Boeing 737 (73J) 5:10 Effective 2026-01-30 through 2026-02-03
Mon,Tue,Fri 08:00 Cincinnati (CVG) 10:10 Seattle-Tacoma (SEA) Alaska Airlines AS 515 Non-stop Boeing 737-800 (73H) 5:10 Effective 2026-02-06 through 2026-02-10
Sat 08:00 Cincinnati (CVG) 10:10 Seattle-Tacoma (SEA) Alaska Airlines AS 515 Non-stop Boeing 737 MAX 9 (7M9) 5:10 Operates only on 2026-02-07
Wed,Sun 08:00 Cincinnati (CVG) 10:10 Seattle-Tacoma (SEA) Alaska Airlines AS 515 Non-stop Boeing 737 (73J) 5:10 Effective 2026-02-08 through 2026-02-11
Wed 08:00 Cincinnati (CVG) 10:20 Seattle-Tacoma (SEA) Alaska Airlines AS 545 Non-stop Boeing 737 (73J) 5:20 Operates only on 2026-03-18

A domestic route departing from the Cincinnati airport (CVG) and arriving at Seattle-Tacoma airport (SEA).
The flight distance is 1958 miles, or 3152 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 4:55 and 5:20.

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FLIGHT SCHEDULE

Direct Flights:

Alaska Airlines AS393

18:40

Cincinnati (CVG)

20:35

Seattle-Tacoma (SEA)

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

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 4:55, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS428

08:40

Cincinnati (CVG)

10:41

Seattle-Tacoma (SEA)

Effective 2026-06-10 through 2026-08-18

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 5:01, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS508

18:10

Cincinnati (CVG)

20:12

Seattle-Tacoma (SEA)

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

Mon

Tue

Wed

Thu

Fri

Sat

Sun

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

Direct Flights:

Alaska Airlines AS508

18:37

Cincinnati (CVG)

20:37

Seattle-Tacoma (SEA)

Effective from 2026-06-10

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 5:00, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS508

18:39

Cincinnati (CVG)

20:39

Seattle-Tacoma (SEA)

Valid until 2026-01-05

Mon

Tue

Wed

Thu
-

Fri

Sat

Sun
-

Duration: 5:00, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS508

18:39

Cincinnati (CVG)

20:39

Seattle-Tacoma (SEA)

Valid until 2026-01-06

Mon
-

Tue

Wed
-

Thu

Fri
-

Sat
-

Sun

Duration: 5:00, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

Alaska Airlines AS509

08:09

Cincinnati (CVG)

10:20

Seattle-Tacoma (SEA)

Operates only on 2026-02-12

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

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

Direct Flights:

Alaska Airlines AS509

08:09

Cincinnati (CVG)

10:20

Seattle-Tacoma (SEA)

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

Mon

Tue

Wed

Thu

Fri

Sat

Sun
-

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

Direct Flights:

Alaska Airlines AS509

08:09

Cincinnati (CVG)

10:20

Seattle-Tacoma (SEA)

Operates only on 2026-02-15

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

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

Direct Flights:

Alaska Airlines AS509

08:09

Cincinnati (CVG)

10:20

Seattle-Tacoma (SEA)

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

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

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

Direct Flights:

Alaska Airlines AS509

08:09

Cincinnati (CVG)

10:20

Seattle-Tacoma (SEA)

Effective 2026-02-28 through 2026-03-05

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat

Sun
-

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

Direct Flights:

Alaska Airlines AS509

08:09

Cincinnati (CVG)

10:20

Seattle-Tacoma (SEA)

Effective 2026-03-04 through 2026-03-11

Mon
-

Tue
-

Wed

Thu
-

Fri

Sat

Sun
-

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

Direct Flights:

Alaska Airlines AS509

08:09

Cincinnati (CVG)

10:20

Seattle-Tacoma (SEA)

Effective 2026-03-08 through 2026-03-15

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun

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

Direct Flights:

Alaska Airlines AS509

08:09

Cincinnati (CVG)

10:20

Seattle-Tacoma (SEA)

Effective 2026-03-09 through 2026-03-14

Mon

Tue

Wed
-

Thu
-

Fri
-

Sat

Sun
-

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

Direct Flights:

Alaska Airlines AS509

08:09

Cincinnati (CVG)

10:20

Seattle-Tacoma (SEA)

Effective 2026-03-12 through 2026-03-17

Mon
-

Tue

Wed
-

Thu

Fri
-

Sat
-

Sun
-

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

Direct Flights:

Alaska Airlines AS509

08:09

Cincinnati (CVG)

10:20

Seattle-Tacoma (SEA)

Operates only on 2026-03-16

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

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

Direct Flights:

Alaska Airlines AS515

08:00

Cincinnati (CVG)

10:10

Seattle-Tacoma (SEA)

Effective 2026-01-08 through 2026-01-18

Mon

Tue

Wed

Thu

Fri
-

Sat
-

Sun

Duration: 5:10, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS515

08:00

Cincinnati (CVG)

10:10

Seattle-Tacoma (SEA)

Effective 2026-01-09 through 2026-01-17

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat

Sun
-

Duration: 5:10, non-stop
Boeing 737-800 (73H)

Direct Flights:

Alaska Airlines AS515

08:00

Cincinnati (CVG)

10:10

Seattle-Tacoma (SEA)

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

Mon

Tue

Wed
-

Thu

Fri

Sat

Sun
-

Duration: 5:10, non-stop
Boeing 737-800 (73H)

Direct Flights:

Alaska Airlines AS515

08:00

Cincinnati (CVG)

10:10

Seattle-Tacoma (SEA)

Effective 2026-01-21 through 2026-01-28

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun

Duration: 5:10, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS515

08:00

Cincinnati (CVG)

10:10

Seattle-Tacoma (SEA)

Effective 2026-01-29 through 2026-02-05

Mon

Tue
-

Wed

Thu

Fri
-

Sat
-

Sun
-

Duration: 5:10, non-stop
Boeing 737-800 (73H)

Direct Flights:

Alaska Airlines AS515

08:00

Cincinnati (CVG)

10:10

Seattle-Tacoma (SEA)

Effective 2026-01-30 through 2026-02-03

Mon
-

Tue

Wed
-

Thu
-

Fri

Sat

Sun

Duration: 5:10, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS515

08:00

Cincinnati (CVG)

10:10

Seattle-Tacoma (SEA)

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

Mon

Tue

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Duration: 5:10, non-stop
Boeing 737-800 (73H)

Direct Flights:

Alaska Airlines AS515

08:00

Cincinnati (CVG)

10:10

Seattle-Tacoma (SEA)

Operates only on 2026-02-07

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 5:10, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

Alaska Airlines AS515

08:00

Cincinnati (CVG)

10:10

Seattle-Tacoma (SEA)

Effective 2026-02-08 through 2026-02-11

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun

Duration: 5:10, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS545

08:00

Cincinnati (CVG)

10:20

Seattle-Tacoma (SEA)

Operates only on 2026-03-18

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 5:20, non-stop
Boeing 737 (73J)

A domestic route departing from the Cincinnati airport (CVG) and arriving at Seattle-Tacoma airport (SEA).
The flight distance is 1958 miles, or 3152 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 4:55 and 5:20.

All CVG-SEA flights

All Alaska Airlines flights

Return (SEA-CVG) flights

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