Alaska Airlines flights from Helena (HLN) to Seattle-Tacoma (SEA).

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Daily 16:10 Helena (HLN) 16:59 Seattle-Tacoma (SEA)
Alaska Airlines AS 2040 Non-stop Embraer EMB 175 (E75) 1:49 Effective from 2025-03-19
Sun 15:52 Helena (HLN) 16:37 Seattle-Tacoma (SEA)
Alaska Airlines AS 2140 Non-stop Embraer EMB 175 (E75) 1:45 Effective 2024-10-27 through 2024-11-17
Mon-Sat 07:04 Helena (HLN) 07:55 Seattle-Tacoma (SEA)
Alaska Airlines AS 2182 Non-stop Embraer EMB 175 (E75) 1:51 Valid until 2024-09-03
Mon-Sat 14:42 Helena (HLN) 15:27 Seattle-Tacoma (SEA)
Alaska Airlines AS 2222 Non-stop Embraer EMB 175 (E75) 1:45 Effective 2024-10-28 through 2024-11-21
Mon-Wed,Fri 15:29 Helena (HLN) 16:15 Seattle-Tacoma (SEA)
Alaska Airlines AS 2222 Non-stop Embraer EMB 175 (E75) 1:46 Effective 2024-11-25 through 2024-12-02
Daily 15:29 Helena (HLN) 16:20 Seattle-Tacoma (SEA)
Alaska Airlines AS 2222 Non-stop Embraer EMB 175 (E75) 1:51 Effective 2024-12-19 through 2025-01-05
Fri 15:45 Helena (HLN) 16:38 Seattle-Tacoma (SEA)
Alaska Airlines AS 2222 Non-stop Embraer EMB 175 (E75) 1:53 Effective 2024-12-06 through 2024-12-13
Fri 15:49 Helena (HLN) 16:35 Seattle-Tacoma (SEA)
Alaska Airlines AS 2222 Non-stop Embraer EMB 175 (E75) 1:46 Operates only on 2024-11-22
Mon-Thu,Sat,Sun 16:07 Helena (HLN) 17:00 Seattle-Tacoma (SEA)
Alaska Airlines AS 2222 Non-stop Embraer EMB 175 (E75) 1:53 Effective 2024-12-03 through 2024-12-18
Daily 16:11 Helena (HLN) 17:00 Seattle-Tacoma (SEA)
Alaska Airlines AS 2222 Non-stop Embraer EMB 175 (E75) 1:49 Effective 2025-01-06 through 2025-03-18
Thu,Sun 16:13 Helena (HLN) 16:58 Seattle-Tacoma (SEA)
Alaska Airlines AS 2222 Non-stop Embraer EMB 175 (E75) 1:45 Effective 2024-10-03 through 2024-10-24
Sat,Sun 16:14 Helena (HLN) 17:00 Seattle-Tacoma (SEA)
Alaska Airlines AS 2222 Non-stop Embraer EMB 175 (E75) 1:46 Effective 2024-11-23 through 2024-12-01
Daily 07:00 Helena (HLN) 07:49 Seattle-Tacoma (SEA)
Alaska Airlines AS 2225 Non-stop Embraer EMB 175 (E75) 1:49 Effective from 2025-05-15
Daily 15:44 Helena (HLN) 16:29 Seattle-Tacoma (SEA)
Alaska Airlines AS 2348 Non-stop Embraer EMB 175 (E75) 1:45 Valid until 2024-09-30
Mon-Wed,Fri,Sat 16:10 Helena (HLN) 16:58 Seattle-Tacoma (SEA)
Alaska Airlines AS 3365 Non-stop Embraer EMB 175 (E75) 1:48 Effective 2024-10-01 through 2024-10-26




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Alaska Airlines flights from Helena (HLN) to Seattle-Tacoma (SEA).
Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Alaska Airlines AS2040
16:10
Helena (HLN)

16:59
Seattle-Tacoma (SEA)
Effective from 2025-03-19
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:49, non-stop
Embraer EMB 175 (E75)
Alaska Airlines AS2140
15:52
Helena (HLN)

16:37
Seattle-Tacoma (SEA)
Effective 2024-10-27 through 2024-11-17
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:45, non-stop
Embraer EMB 175 (E75)
Alaska Airlines AS2182
07:04
Helena (HLN)

07:55
Seattle-Tacoma (SEA)
Valid until 2024-09-03
Mon
Tue
Wed
Thu
Fri
Sat
Sun
-
Duration: 1:51, non-stop
Embraer EMB 175 (E75)
Alaska Airlines AS2222
14:42
Helena (HLN)

15:27
Seattle-Tacoma (SEA)
Effective 2024-10-28 through 2024-11-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
-
Duration: 1:45, non-stop
Embraer EMB 175 (E75)
Alaska Airlines AS2222
15:29
Helena (HLN)

16:15
Seattle-Tacoma (SEA)
Effective 2024-11-25 through 2024-12-02
Mon
Tue
Wed
Thu
-
Fri
Sat
-
Sun
-
Duration: 1:46, non-stop
Embraer EMB 175 (E75)
Alaska Airlines AS2222
15:29
Helena (HLN)

16:20
Seattle-Tacoma (SEA)
Effective 2024-12-19 through 2025-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:51, non-stop
Embraer EMB 175 (E75)
Alaska Airlines AS2222
15:45
Helena (HLN)

16:38
Seattle-Tacoma (SEA)
Effective 2024-12-06 through 2024-12-13
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 1:53, non-stop
Embraer EMB 175 (E75)
Alaska Airlines AS2222
15:49
Helena (HLN)

16:35
Seattle-Tacoma (SEA)
Operates only on 2024-11-22
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 1:46, non-stop
Embraer EMB 175 (E75)
Alaska Airlines AS2222
16:07
Helena (HLN)

17:00
Seattle-Tacoma (SEA)
Effective 2024-12-03 through 2024-12-18
Mon
Tue
Wed
Thu
Fri
-
Sat
Sun
Duration: 1:53, non-stop
Embraer EMB 175 (E75)
Alaska Airlines AS2222
16:11
Helena (HLN)

17:00
Seattle-Tacoma (SEA)
Effective 2025-01-06 through 2025-03-18
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:49, non-stop
Embraer EMB 175 (E75)
Alaska Airlines AS2222
16:13
Helena (HLN)

16:58
Seattle-Tacoma (SEA)
Effective 2024-10-03 through 2024-10-24
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
Duration: 1:45, non-stop
Embraer EMB 175 (E75)
Alaska Airlines AS2222
16:14
Helena (HLN)

17:00
Seattle-Tacoma (SEA)
Effective 2024-11-23 through 2024-12-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
Duration: 1:46, non-stop
Embraer EMB 175 (E75)
Alaska Airlines AS2225
07:00
Helena (HLN)

07:49
Seattle-Tacoma (SEA)
Effective from 2025-05-15
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:49, non-stop
Embraer EMB 175 (E75)
Alaska Airlines AS2348
15:44
Helena (HLN)

16:29
Seattle-Tacoma (SEA)
Valid until 2024-09-30
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:45, non-stop
Embraer EMB 175 (E75)
Alaska Airlines AS3365
16:10
Helena (HLN)

16:58
Seattle-Tacoma (SEA)
Effective 2024-10-01 through 2024-10-26
Mon
Tue
Wed
Thu
-
Fri
Sat
Sun
-
Duration: 1:48, non-stop
Embraer EMB 175 (E75)
  • A domestic route departing from the Helena airport (HLN) and arriving at Seattle-Tacoma airport (SEA).
  • The flight distance is 489 miles, or 787 km.
  • The timezone of the departure airport is UTC-7 , 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 1:45 and 1:53.
All HLN-SEA flights
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