Apparatus

Try JFK, AAL1290, BAW, or N225AN.

route Route

SEA → HLN

788 km avg 1h 17m 0 airlines

Departure

SEA KSEA VFR

Seattle–Tacoma International Airport

Seattle, US

Local time
19:19 PDT
Timezone
America/Los_Angeles
Type
Large Airport
Elevation
433 ft
Coordinates
47.4479, -122.3103

cloud Weather

Wind
300° / 4 kt
Visibility
10 SM
Ceiling
SCT 8,000 ft, BKN 20,000 ft
Temp / Dew
19°C / 8°C
Altimeter
30.02 inHg

Obs: 2026-09-06T01:53:00.000Z

Raw METAR / TAF 
METAR KSEA 060153Z 30004KT 10SM SCT080 BKN200 19/08 A3002 RMK AO2 SLP172 CB DSNT SW T01940083 $

TAF KSEA 052320Z 0600/0706 VRB03KT P6SM VCSH FEW030 BKN080 FM060200 03007KT P6SM BKN080 FM060900 01006KT P6SM SCT100 BKN250 FM061400 01004KT P6SM BKN250 FM061900 33007KT P6SM BKN200 FM062300 31008KT P6SM SKC

flight Live Traffic

flight_takeoff 193 Departures
flight_land 233 Arrivals

Arrival

HLN KHLN VFR

Helena Regional Airport

Helena, US

Local time
20:19 MDT
Timezone
America/Denver
Type
Medium Airport
Elevation
3,877 ft
Coordinates
46.6068, -111.9830

cloud Weather

Wind
260° / 12 kt
Visibility
10 SM
Ceiling
FEW 12,000 ft
Temp / Dew
19°C / 8°C
Altimeter
30.01 inHg

Obs: 2026-09-06T01:53:00.000Z

Raw METAR / TAF 
METAR KHLN 060153Z 26012KT 10SM FEW120 19/08 A3001 RMK AO2 LTG DSNT NW SLP159 T01890078

TAF KHLN 052332Z 0600/0624 01008KT P6SM BKN100 PROB30 0602/0603 6SM -SHRA BKN080 FM062200 35012KT P6SM SCT120

flight Live Traffic

flight_takeoff 3 Departures
flight_land 1 Arrivals
Flights tracked
4
Avg duration
1h 17m
Distance
788 km

Live traffic

SEA → HLN. Live aircraft currently filed on this route.

Recent flights last 4

DateFlightAircraftTakeoffLandingDurationArr Δ
2026-07-17 QXE2131 A85931 Jul 17, 21:39 UTCJul 17, 23:12 UTC1h 33m -2m
2026-07-17 QXE2131 A8A478 Jul 17, 00:52 UTCJul 17, 02:17 UTC1h 25m +26m
2026-07-14 QXE2131 A851C3 Jul 14, 00:37 UTCJul 14, 01:44 UTC1h 7m +8m
2026-04-13 QXE2222 A871D4 Apr 13, 22:31 UTCApr 13, 23:35 UTC1h 4m +4m

SEA → HLN frequently asked

How long is the flight from SEA to HLN?
Average flight time on the SEA–HLN route is 1h 17m, covering approximately 788 km (489 mi).
What is the distance from SEA to HLN?
The great-circle distance from SEA to HLN is approximately 788 km (489 miles).
How many flights per week from SEA to HLN?
We've observed ~1 flight per day on this route across our tracking data (4 total flights recorded).
Can I track SEA–HLN flights live?
Yes. The live tracker map above shows aircraft currently flying this route, filtered by departure and arrival airport.