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
06:18 PDT
Timezone
America/Los_Angeles
Type
Large Airport
Elevation
433 ft
Coordinates
47.4479, -122.3103

cloud Weather

Wind
210° / 4 kt
Visibility
10 SM
Ceiling
SCT 600 ft, BKN 4,600 ft
Temp / Dew
13°C / 12°C
Altimeter
30.12 inHg

Obs: 2026-07-18T12:53:00.000Z

Raw METAR / TAF 
METAR KSEA 181253Z 21004KT 10SM SCT006 BKN046 13/12 A3012 RMK AO2 SLP205 T01330117 $

TAF KSEA 181120Z 1812/1918 21006KT P6SM SCT006 BKN045 TEMPO 1812/1816 5SM BR BKN005 FM181700 24006KT P6SM SCT008 BKN045 FM181900 27006KT P6SM SCT050 FM190200 01008KT P6SM FEW250 FM191100 36005KT P6SM SCT250

flight Live Traffic

flight_takeoff 220 Departures
flight_land 266 Arrivals

Arrival

HLN KHLN VFR

Helena Regional Airport

Helena, US

Local time
07:18 MDT
Timezone
America/Denver
Type
Medium Airport
Elevation
3,877 ft
Coordinates
46.6068, -111.9830

cloud Weather

Wind
220° / 3 kt
Visibility
10 SM
Ceiling
CLR
Temp / Dew
17°C / 14°C
Altimeter
30.09 inHg

Obs: 2026-07-18T12:53:00.000Z

Raw METAR / TAF 
METAR KHLN 181253Z 22003KT 10SM CLR 17/14 A3009 RMK AO2 SLP176 T01670144 $

TAF KHLN 181120Z 1812/1912 VRB06KT P6SM SCT004 TEMPO 1812/1815 3SM BR BKN004 FM181600 VRB06KT P6SM SCT150 FM181800 23008KT P6SM SCT080 BKN120 PROB30 1822/1901 VRB20G40KT 3SM TSRA SCT050 BKN080CB FM190100 23008KT P6SM VCTS BKN080CB FM190300 VRB06KT P6SM SCT200

flight Live Traffic

flight_takeoff 4 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.

Other connections

More destinations from SEA

More origins to HLN

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.