All airlines flying from Seattle-Tacoma (SEA) to Houston George Bush (IAH).

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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Mon-Fri,Sun 05:00 Seattle-Tacoma (SEA) 11:27 Houston George Bush (IAH) C
United Airlines UA 242 Non-stop Airbus A319 (319) 4:27 Valid until 2026-01-05
Sat 05:00 Seattle-Tacoma (SEA) 11:27 Houston George Bush (IAH) C
United Airlines UA 242 Non-stop Airbus A320 (320) 4:27 Valid until 2026-01-03
Tue 23:25 Seattle-Tacoma (SEA) 05:40 Houston George Bush (IAH) A
Alaska Airlines AS 394 Non-stop Boeing 737 (73J) 4:15 Operates only on 2026-01-06
The flight arrives 1 day after departure.
Mon-Thu 17:39 Seattle-Tacoma (SEA) 23:54 Houston George Bush (IAH) A
Alaska Airlines AS 398 Non-stop Boeing 737 MAX 9 (7M9) 4:15 Effective 2026-01-07 through 2026-01-14
Thu,Fri,Sun 17:39 Seattle-Tacoma (SEA) 23:54 Houston George Bush (IAH) A
Alaska Airlines AS 398 Non-stop Boeing 737 (73J) 4:15 Effective 2026-01-09 through 2026-01-15
Sat 17:39 Seattle-Tacoma (SEA) 23:54 Houston George Bush (IAH) A
Alaska Airlines AS 398 Non-stop Boeing 737 MAX 8 (7M8) 4:15 Effective 2026-01-10 through 2026-02-07
Mon,Tue,Fri 17:39 Seattle-Tacoma (SEA) 23:54 Houston George Bush (IAH) A
Alaska Airlines AS 398 Non-stop Boeing 737 MAX 9 (7M9) 4:15 Effective 2026-01-16 through 2026-02-10
Wed,Thu,Sun 17:39 Seattle-Tacoma (SEA) 23:54 Houston George Bush (IAH) A
Alaska Airlines AS 398 Non-stop Boeing 737 (73J) 4:15 Effective 2026-01-18 through 2026-02-08
Daily 17:39 Seattle-Tacoma (SEA) 23:54 Houston George Bush (IAH) A
Alaska Airlines AS 398 Non-stop Boeing 737 MAX 9 (7M9) 4:15 Effective 2026-02-11 through 2026-02-19
Mon-Thu,Sat,Sun 17:39 Seattle-Tacoma (SEA) 23:54 Houston George Bush (IAH) A
Alaska Airlines AS 398 Non-stop Boeing 737 MAX 9 (7M9) 4:15 Effective 2026-02-21 through 2026-03-05
Fri 17:39 Seattle-Tacoma (SEA) 23:54 Houston George Bush (IAH) A
Alaska Airlines AS 398 Non-stop Boeing 737 (73J) 4:15 Operates only on 2026-02-27
Mon,Wed-Sun 17:39 Seattle-Tacoma (SEA) 23:54 Houston George Bush (IAH) A
Alaska Airlines AS 398 Non-stop Boeing 737 MAX 9 (7M9) 4:15 Effective 2026-03-06 through 2026-03-15
Mon,Tue 17:39 Seattle-Tacoma (SEA) 23:54 Houston George Bush (IAH) A
Alaska Airlines AS 398 Non-stop Boeing 737 (73J) 4:15 Effective 2026-03-10 through 2026-03-17
Wed 17:40 Seattle-Tacoma (SEA) 23:59 Houston George Bush (IAH) A
Alaska Airlines AS 398 Non-stop Boeing 737 (73J) 4:19 Operates only on 2026-03-18
Daily 17:40 Seattle-Tacoma (SEA) 23:58 Houston George Bush (IAH) A
Alaska Airlines AS 398 Non-stop Boeing 737 (73J) 4:18 Effective 2026-03-19 through 2026-05-12
Daily 17:40 Seattle-Tacoma (SEA) 00:03 Houston George Bush (IAH) A
Alaska Airlines AS 398 Non-stop Boeing 737 (73J) 4:23 Effective from 2026-06-10
The flight arrives 1 day after departure.
Fri 17:41 Seattle-Tacoma (SEA) 23:56 Houston George Bush (IAH) A
Alaska Airlines AS 398 Non-stop Boeing 737 (73J) 4:15 Operates only on 2026-02-20
Mon,Tue,Thu,Sun 23:26 Seattle-Tacoma (SEA) 05:41 Houston George Bush (IAH) A
Alaska Airlines AS 398 Non-stop Boeing 737 MAX 9 (7M9) 4:15 Valid until 2026-01-04
The flight arrives 1 day after departure.
Mon,Wed,Fri,Sat 23:26 Seattle-Tacoma (SEA) 05:41 Houston George Bush (IAH) A
Alaska Airlines AS 398 Non-stop Boeing 737 (73J) 4:15 Valid until 2026-01-05
The flight arrives 1 day after departure.
Daily 17:46 Seattle-Tacoma (SEA) 23:59 Houston George Bush (IAH) A
Alaska Airlines AS 422 Non-stop Boeing 737 (73J) 4:13 Effective 2026-05-13 through 2026-06-09
Fri 10:10 Seattle-Tacoma (SEA) 16:33 Houston George Bush (IAH) A
Alaska Airlines AS 438 Non-stop Boeing 737 MAX 9 (7M9) 4:23 Effective 2026-02-13 through 2026-02-27
Mon,Wed,Thu,Sat,Sun 10:10 Seattle-Tacoma (SEA) 16:33 Houston George Bush (IAH) A
Alaska Airlines AS 438 Non-stop Boeing 737 (73J) 4:23 Effective 2026-02-14 through 2026-02-23
Tue 10:10 Seattle-Tacoma (SEA) 16:33 Houston George Bush (IAH) A
Alaska Airlines AS 438 Non-stop Boeing 737-800 (73H) 4:23 Operates only on 2026-02-17
Mon-Thu,Sat,Sun 10:10 Seattle-Tacoma (SEA) 16:33 Houston George Bush (IAH) A
Alaska Airlines AS 438 Non-stop Boeing 737 (73J) 4:23 Effective 2026-02-24 through 2026-03-02
Mon,Tue,Fri 10:10 Seattle-Tacoma (SEA) 16:33 Houston George Bush (IAH) A
Alaska Airlines AS 438 Non-stop Boeing 737 MAX 9 (7M9) 4:23 Effective 2026-03-03 through 2026-03-09
Tue-Thu,Sat,Sun 10:10 Seattle-Tacoma (SEA) 16:33 Houston George Bush (IAH) A
Alaska Airlines AS 438 Non-stop Boeing 737 (73J) 4:23 Effective 2026-03-04 through 2026-03-12
Fri,Sat 10:10 Seattle-Tacoma (SEA) 16:33 Houston George Bush (IAH) A
Alaska Airlines AS 438 Non-stop Boeing 737 MAX 9 (7M9) 4:23 Effective 2026-03-13 through 2026-03-14
Mon,Tue,Sun 10:10 Seattle-Tacoma (SEA) 16:33 Houston George Bush (IAH) A
Alaska Airlines AS 438 Non-stop Boeing 737 (73J) 4:23 Effective 2026-03-15 through 2026-03-17
Wed 11:30 Seattle-Tacoma (SEA) 17:49 Houston George Bush (IAH) A
Alaska Airlines AS 438 Non-stop Boeing 737 (73J) 4:19 Operates only on 2026-03-18
Daily 11:30 Seattle-Tacoma (SEA) 17:54 Houston George Bush (IAH) A
Alaska Airlines AS 438 Non-stop Boeing 737 (73J) 4:24 Effective 2026-03-19 through 2026-05-12
Daily 11:30 Seattle-Tacoma (SEA) 18:14 Houston George Bush (IAH) A
Alaska Airlines AS 438 Non-stop Boeing 737 (73J) 4:44 Effective 2026-05-13 through 2026-06-09
Daily 11:45 Seattle-Tacoma (SEA) 18:15 Houston George Bush (IAH) A
Alaska Airlines AS 438 Non-stop Boeing 737 (73J) 4:30 Effective from 2026-06-10
Mon-Thu,Sat 11:52 Seattle-Tacoma (SEA) 18:17 Houston George Bush (IAH) A
Alaska Airlines AS 438 Non-stop Boeing 737 MAX 9 (7M9) 4:25 Effective 2026-01-07 through 2026-01-14
Thu,Fri,Sun 11:52 Seattle-Tacoma (SEA) 18:17 Houston George Bush (IAH) A
Alaska Airlines AS 438 Non-stop Boeing 737 (73J) 4:25 Effective 2026-01-09 through 2026-01-15
Tue,Wed,Fri,Sat 11:52 Seattle-Tacoma (SEA) 18:17 Houston George Bush (IAH) A
Alaska Airlines AS 438 Non-stop Boeing 737 MAX 9 (7M9) 4:25 Effective 2026-01-16 through 2026-01-31
Mon,Thu,Sun 11:52 Seattle-Tacoma (SEA) 18:17 Houston George Bush (IAH) A
Alaska Airlines AS 438 Non-stop Boeing 737 (73J) 4:25 Effective 2026-01-18 through 2026-01-29
Tue,Wed,Sat,Sun 11:52 Seattle-Tacoma (SEA) 18:17 Houston George Bush (IAH) A
Alaska Airlines AS 438 Non-stop Boeing 737 MAX 9 (7M9) 4:25 Effective 2026-02-01 through 2026-02-07
Mon,Thu,Fri,Sun 11:52 Seattle-Tacoma (SEA) 18:17 Houston George Bush (IAH) A
Alaska Airlines AS 438 Non-stop Boeing 737 (73J) 4:25 Effective 2026-02-02 through 2026-02-09
Tue,Wed 11:52 Seattle-Tacoma (SEA) 18:17 Houston George Bush (IAH) A
Alaska Airlines AS 438 Non-stop Boeing 737 MAX 9 (7M9) 4:25 Effective 2026-02-10 through 2026-02-11
Sun 12:07 Seattle-Tacoma (SEA) 18:27 Houston George Bush (IAH) A
Alaska Airlines AS 438 Non-stop Boeing 737 MAX 9 (7M9) 4:20 Operates only on 2026-01-04
Mon-Sat 12:08 Seattle-Tacoma (SEA) 18:28 Houston George Bush (IAH) A
Alaska Airlines AS 438 Non-stop Boeing 737-800 (73H) 4:20 Valid until 2026-01-06
Daily 23:59 Seattle-Tacoma (SEA) 06:21 Houston George Bush (IAH) A
Alaska Airlines AS 452 Non-stop Boeing 737 (73J) 4:22 Effective 2026-06-10 through 2026-10-02
The flight arrives 1 day after departure.
Daily 23:59 Seattle-Tacoma (SEA) 06:20 Houston George Bush (IAH) A
Alaska Airlines AS 465 Non-stop Boeing 737 (73J) 4:21 Effective 2026-05-13 through 2026-06-09
The flight arrives 1 day after departure.
Daily 12:00 Seattle-Tacoma (SEA) 18:18 Houston George Bush (IAH) C
United Airlines UA 1084 Non-stop Boeing 737 MAX 9 (7M9) 4:18 Effective 2026-05-21 through 2026-08-10
Sat 12:40 Seattle-Tacoma (SEA) 19:08 Houston George Bush (IAH) C
United Airlines UA 1293 Non-stop Boeing 737-900 (739) 4:28 Effective 2026-01-10 through 2026-02-07
Mon-Fri,Sun 12:57 Seattle-Tacoma (SEA) 19:25 Houston George Bush (IAH) C
United Airlines UA 1293 Non-stop Boeing 737-900 (739) 4:28 Effective 2026-01-06 through 2026-02-02
Tue 12:57 Seattle-Tacoma (SEA) 19:23 Houston George Bush (IAH) C
United Airlines UA 1293 Non-stop Boeing 737-900 (739) 4:26 Operates only on 2026-02-03
Mon-Fri,Sun 12:57 Seattle-Tacoma (SEA) 19:25 Houston George Bush (IAH) C
United Airlines UA 1293 Non-stop Boeing 737-900 (739) 4:28 Effective 2026-02-04 through 2026-02-11
Wed-Fri 23:59 Seattle-Tacoma (SEA) 06:17 Houston George Bush (IAH) C
United Airlines UA 1303 Non-stop Boeing 737 MAX 8 (7M8) 4:18 Effective 2026-03-05 through 2026-03-27
The flight arrives 1 day after departure.
Mon 23:59 Seattle-Tacoma (SEA) 06:17 Houston George Bush (IAH) C
United Airlines UA 1303 Non-stop Boeing 737-700 (73G) 4:18 Effective 2026-03-09 through 2026-03-23
The flight arrives 1 day after departure.
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All airlines flying from Seattle-Tacoma (SEA) to Houston George Bush (IAH).
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
United Airlines UA242
05:00
Seattle-Tacoma (SEA)

11:27
Houston George Bush (IAH) C
Valid until 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 4:27, non-stop
Airbus A319 (319)
Direct Flights:
United Airlines UA242
05:00
Seattle-Tacoma (SEA)

11:27
Houston George Bush (IAH) C
Valid until 2026-01-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 4:27, non-stop
Airbus A320 (320)
Direct Flights:
Alaska Airlines AS394
23:25
Seattle-Tacoma (SEA)

05:40(+1)
Houston George Bush (IAH) A
Operates only on 2026-01-06
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 4:15, non-stop
Boeing 737 (73J)
The flight arrives 1 day after departure.
Direct Flights:
Alaska Airlines AS398
17:39
Seattle-Tacoma (SEA)

23:54
Houston George Bush (IAH) A
Effective 2026-01-07 through 2026-01-14
Mon
Tue
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 4:15, non-stop
Boeing 737 MAX 9 (7M9)
Direct Flights:
Alaska Airlines AS398
17:39
Seattle-Tacoma (SEA)

23:54
Houston George Bush (IAH) A
Effective 2026-01-09 through 2026-01-15
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 4:15, non-stop
Boeing 737 (73J)
Direct Flights:
Alaska Airlines AS398
17:39
Seattle-Tacoma (SEA)

23:54
Houston George Bush (IAH) A
Effective 2026-01-10 through 2026-02-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 4:15, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Alaska Airlines AS398
17:39
Seattle-Tacoma (SEA)

23:54
Houston George Bush (IAH) A
Effective 2026-01-16 through 2026-02-10
Mon
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 4:15, non-stop
Boeing 737 MAX 9 (7M9)
Direct Flights:
Alaska Airlines AS398
17:39
Seattle-Tacoma (SEA)

23:54
Houston George Bush (IAH) A
Effective 2026-01-18 through 2026-02-08
Mon
-
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
Duration: 4:15, non-stop
Boeing 737 (73J)
Direct Flights:
Alaska Airlines AS398
17:39
Seattle-Tacoma (SEA)

23:54
Houston George Bush (IAH) A
Effective 2026-02-11 through 2026-02-19
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:15, non-stop
Boeing 737 MAX 9 (7M9)
Direct Flights:
Alaska Airlines AS398
17:39
Seattle-Tacoma (SEA)

23:54
Houston George Bush (IAH) A
Effective 2026-02-21 through 2026-03-05
Mon
Tue
Wed
Thu
Fri
-
Sat
Sun
Duration: 4:15, non-stop
Boeing 737 MAX 9 (7M9)
Direct Flights:
Alaska Airlines AS398
17:39
Seattle-Tacoma (SEA)

23:54
Houston George Bush (IAH) A
Operates only on 2026-02-27
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 4:15, non-stop
Boeing 737 (73J)
Direct Flights:
Alaska Airlines AS398
17:39
Seattle-Tacoma (SEA)

23:54
Houston George Bush (IAH) A
Effective 2026-03-06 through 2026-03-15
Mon
Tue
-
Wed
Thu
Fri
Sat
Sun
Duration: 4:15, non-stop
Boeing 737 MAX 9 (7M9)
Direct Flights:
Alaska Airlines AS398
17:39
Seattle-Tacoma (SEA)

23:54
Houston George Bush (IAH) A
Effective 2026-03-10 through 2026-03-17
Mon
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 4:15, non-stop
Boeing 737 (73J)
Direct Flights:
Alaska Airlines AS398
17:40
Seattle-Tacoma (SEA)

23:59
Houston George Bush (IAH) A
Operates only on 2026-03-18
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 4:19, non-stop
Boeing 737 (73J)
Direct Flights:
Alaska Airlines AS398
17:40
Seattle-Tacoma (SEA)

23:58
Houston George Bush (IAH) A
Effective 2026-03-19 through 2026-05-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:18, non-stop
Boeing 737 (73J)
Direct Flights:
Alaska Airlines AS398
17:40
Seattle-Tacoma (SEA)

00:03(+1)
Houston George Bush (IAH) A
Effective from 2026-06-10
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:23, non-stop
Boeing 737 (73J)
The flight arrives 1 day after departure.
Direct Flights:
Alaska Airlines AS398
17:41
Seattle-Tacoma (SEA)

23:56
Houston George Bush (IAH) A
Operates only on 2026-02-20
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 4:15, non-stop
Boeing 737 (73J)
Direct Flights:
Alaska Airlines AS398
23:26
Seattle-Tacoma (SEA)

05:41(+1)
Houston George Bush (IAH) A
Valid until 2026-01-04
Mon
Tue
Wed
-
Thu
Fri
-
Sat
-
Sun
Duration: 4:15, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.
Direct Flights:
Alaska Airlines AS398
23:26
Seattle-Tacoma (SEA)

05:41(+1)
Houston George Bush (IAH) A
Valid until 2026-01-05
Mon
Tue
-
Wed
Thu
-
Fri
Sat
Sun
-
Duration: 4:15, non-stop
Boeing 737 (73J)
The flight arrives 1 day after departure.
Direct Flights:
Alaska Airlines AS422
17:46
Seattle-Tacoma (SEA)

23:59
Houston George Bush (IAH) A
Effective 2026-05-13 through 2026-06-09
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:13, non-stop
Boeing 737 (73J)
Direct Flights:
Alaska Airlines AS438
10:10
Seattle-Tacoma (SEA)

16:33
Houston George Bush (IAH) A
Effective 2026-02-13 through 2026-02-27
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 4:23, non-stop
Boeing 737 MAX 9 (7M9)
Direct Flights:
Alaska Airlines AS438
10:10
Seattle-Tacoma (SEA)

16:33
Houston George Bush (IAH) A
Effective 2026-02-14 through 2026-02-23
Mon
Tue
-
Wed
Thu
Fri
-
Sat
Sun
Duration: 4:23, non-stop
Boeing 737 (73J)
Direct Flights:
Alaska Airlines AS438
10:10
Seattle-Tacoma (SEA)

16:33
Houston George Bush (IAH) A
Operates only on 2026-02-17
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 4:23, non-stop
Boeing 737-800 (73H)
Direct Flights:
Alaska Airlines AS438
10:10
Seattle-Tacoma (SEA)

16:33
Houston George Bush (IAH) A
Effective 2026-02-24 through 2026-03-02
Mon
Tue
Wed
Thu
Fri
-
Sat
Sun
Duration: 4:23, non-stop
Boeing 737 (73J)
Direct Flights:
Alaska Airlines AS438
10:10
Seattle-Tacoma (SEA)

16:33
Houston George Bush (IAH) A
Effective 2026-03-03 through 2026-03-09
Mon
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 4:23, non-stop
Boeing 737 MAX 9 (7M9)
Direct Flights:
Alaska Airlines AS438
10:10
Seattle-Tacoma (SEA)

16:33
Houston George Bush (IAH) A
Effective 2026-03-04 through 2026-03-12
Mon
-
Tue
Wed
Thu
Fri
-
Sat
Sun
Duration: 4:23, non-stop
Boeing 737 (73J)
Direct Flights:
Alaska Airlines AS438
10:10
Seattle-Tacoma (SEA)

16:33
Houston George Bush (IAH) A
Effective 2026-03-13 through 2026-03-14
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
Sun
-
Duration: 4:23, non-stop
Boeing 737 MAX 9 (7M9)
Direct Flights:
Alaska Airlines AS438
10:10
Seattle-Tacoma (SEA)

16:33
Houston George Bush (IAH) A
Effective 2026-03-15 through 2026-03-17
Mon
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 4:23, non-stop
Boeing 737 (73J)
Direct Flights:
Alaska Airlines AS438
11:30
Seattle-Tacoma (SEA)

17:49
Houston George Bush (IAH) A
Operates only on 2026-03-18
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 4:19, non-stop
Boeing 737 (73J)
Direct Flights:
Alaska Airlines AS438
11:30
Seattle-Tacoma (SEA)

17:54
Houston George Bush (IAH) A
Effective 2026-03-19 through 2026-05-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:24, non-stop
Boeing 737 (73J)
Direct Flights:
Alaska Airlines AS438
11:30
Seattle-Tacoma (SEA)

18:14
Houston George Bush (IAH) A
Effective 2026-05-13 through 2026-06-09
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:44, non-stop
Boeing 737 (73J)
Direct Flights:
Alaska Airlines AS438
11:45
Seattle-Tacoma (SEA)

18:15
Houston George Bush (IAH) A
Effective from 2026-06-10
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:30, non-stop
Boeing 737 (73J)
Direct Flights:
Alaska Airlines AS438
11:52
Seattle-Tacoma (SEA)

18:17
Houston George Bush (IAH) A
Effective 2026-01-07 through 2026-01-14
Mon
Tue
Wed
Thu
Fri
-
Sat
Sun
-
Duration: 4:25, non-stop
Boeing 737 MAX 9 (7M9)
Direct Flights:
Alaska Airlines AS438
11:52
Seattle-Tacoma (SEA)

18:17
Houston George Bush (IAH) A
Effective 2026-01-09 through 2026-01-15
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 4:25, non-stop
Boeing 737 (73J)
Direct Flights:
Alaska Airlines AS438
11:52
Seattle-Tacoma (SEA)

18:17
Houston George Bush (IAH) A
Effective 2026-01-16 through 2026-01-31
Mon
-
Tue
Wed
Thu
-
Fri
Sat
Sun
-
Duration: 4:25, non-stop
Boeing 737 MAX 9 (7M9)
Direct Flights:
Alaska Airlines AS438
11:52
Seattle-Tacoma (SEA)

18:17
Houston George Bush (IAH) A
Effective 2026-01-18 through 2026-01-29
Mon
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
Duration: 4:25, non-stop
Boeing 737 (73J)
Direct Flights:
Alaska Airlines AS438
11:52
Seattle-Tacoma (SEA)

18:17
Houston George Bush (IAH) A
Effective 2026-02-01 through 2026-02-07
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
Sun
Duration: 4:25, non-stop
Boeing 737 MAX 9 (7M9)
Direct Flights:
Alaska Airlines AS438
11:52
Seattle-Tacoma (SEA)

18:17
Houston George Bush (IAH) A
Effective 2026-02-02 through 2026-02-09
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 4:25, non-stop
Boeing 737 (73J)
Direct Flights:
Alaska Airlines AS438
11:52
Seattle-Tacoma (SEA)

18:17
Houston George Bush (IAH) A
Effective 2026-02-10 through 2026-02-11
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 4:25, non-stop
Boeing 737 MAX 9 (7M9)
Direct Flights:
Alaska Airlines AS438
12:07
Seattle-Tacoma (SEA)

18:27
Houston George Bush (IAH) A
Operates only on 2026-01-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 4:20, non-stop
Boeing 737 MAX 9 (7M9)
Direct Flights:
Alaska Airlines AS438
12:08
Seattle-Tacoma (SEA)

18:28
Houston George Bush (IAH) A
Valid until 2026-01-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
-
Duration: 4:20, non-stop
Boeing 737-800 (73H)
Direct Flights:
Alaska Airlines AS452
23:59
Seattle-Tacoma (SEA)

06:21(+1)
Houston George Bush (IAH) A
Effective 2026-06-10 through 2026-10-02
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:22, non-stop
Boeing 737 (73J)
The flight arrives 1 day after departure.
Direct Flights:
Alaska Airlines AS465
23:59
Seattle-Tacoma (SEA)

06:20(+1)
Houston George Bush (IAH) A
Effective 2026-05-13 through 2026-06-09
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:21, non-stop
Boeing 737 (73J)
The flight arrives 1 day after departure.
Direct Flights:
United Airlines UA1084
12:00
Seattle-Tacoma (SEA)

18:18
Houston George Bush (IAH) C
Effective 2026-05-21 through 2026-08-10
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:18, non-stop
Boeing 737 MAX 9 (7M9)
Direct Flights:
United Airlines UA1293
12:40
Seattle-Tacoma (SEA)

19:08
Houston George Bush (IAH) C
Effective 2026-01-10 through 2026-02-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 4:28, non-stop
Boeing 737-900 (739)
Direct Flights:
United Airlines UA1293
12:57
Seattle-Tacoma (SEA)

19:25
Houston George Bush (IAH) C
Effective 2026-01-06 through 2026-02-02
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 4:28, non-stop
Boeing 737-900 (739)
Direct Flights:
United Airlines UA1293
12:57
Seattle-Tacoma (SEA)

19:23
Houston George Bush (IAH) C
Operates only on 2026-02-03
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 4:26, non-stop
Boeing 737-900 (739)
Direct Flights:
United Airlines UA1293
12:57
Seattle-Tacoma (SEA)

19:25
Houston George Bush (IAH) C
Effective 2026-02-04 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 4:28, non-stop
Boeing 737-900 (739)
Direct Flights:
United Airlines UA1303
23:59
Seattle-Tacoma (SEA)

06:17(+1)
Houston George Bush (IAH) C
Effective 2026-03-05 through 2026-03-27
Mon
-
Tue
-
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 4:18, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.
Direct Flights:
United Airlines UA1303
23:59
Seattle-Tacoma (SEA)

06:17(+1)
Houston George Bush (IAH) C
Effective 2026-03-09 through 2026-03-23
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 4:18, non-stop
Boeing 737-700 (73G)
The flight arrives 1 day after departure.
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  • A domestic route departing from the Seattle-Tacoma airport (SEA) and arriving at Houston George Bush airport (IAH).
  • The flight distance is 1871 miles, or 3011 km.
  • The timezone of the departure airport is UTC-8 , and the timezone of the arrival airport is UTC-6 . 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 4:13 and 4:44.
Return (IAH-SEA) flights
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