Seattle to Helena is 489 miles (788 km), a flight of about 1 hour 10 minutes.
The left side delivers the best views at both ends of this short flight — Lake Washington and Rainier on departure, and the Helena Valley with the Big Belt Mountains and Continental Divide on approach. During cruise the left side also faces south toward the Bitterroot and Sapphire ranges as the flight tracks east across Montana.
Flight Path
The flight crosses the Cascades east of Snoqualmie Pass, then the Columbia Plateau's dry rolling terrain, before entering Montana over the Bitterroot Range. The Clark Fork River valley is visible near Missoula, followed by the Garnet Range and the broad Blackfoot River valley as the aircraft descends toward Helena.
Great circle distance and headings ›
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Phase by phase
Takeoff from SEA
LEFTSEA typically departs south on runway 16L/16R, then turns east. The left side gets a clear view of Lake Washington, the Seattle skyline, and Mount Rainier rising to the southeast. Elliott Bay and Puget Sound are also visible to the northwest on the left side during the initial climb.
Landing at HLN
LEFTHelena Regional typically lands on runway 27 (westbound approach) or runway 9 (eastbound). On the common westbound approach from the east, the left side faces south toward the Big Belt Mountains and the broad Helena Valley floor. On approach from the west, the left side gets the Continental Divide ridgeline and the city of Helena itself in the valley below.
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About This Route
Which side of the plane should I sit on flying from Seattle Tacoma International (SEA) to Helena Rgnl (HLN)?
Sit on the Left side of the plane for the best views on flights from Seattle to Helena. The left side delivers the best views at both ends of this short flight — Lake Washington and Rainier on departure, and the Helena Valley with the Big Belt Mountains and Continental Divide on approach. During cruise the left side also faces south toward the Bitterroot and Sapphire ranges as the flight tracks east across Montana.
What can I see during takeoff from Seattle Tacoma International in Seattle?
During takeoff from Seattle Tacoma International (SEA), sit on the Left side for the best views. SEA typically departs south on runway 16L/16R, then turns east. The left side gets a clear view of Lake Washington, the Seattle skyline, and Mount Rainier rising to the southeast. Elliott Bay and Puget Sound are also visible to the northwest on the left side during the initial climb. Notable sights include: Lake Washington, Seattle skyline, Mount Rainier, Elliott Bay/Puget Sound.
What can I see when landing at Helena Rgnl in Helena?
When landing at Helena Rgnl (HLN), sit on the Left side for the best views. Helena Regional typically lands on runway 27 (westbound approach) or runway 9 (eastbound). On the common westbound approach from the east, the left side faces south toward the Big Belt Mountains and the broad Helena Valley floor. On approach from the west, the left side gets the Continental Divide ridgeline and the city of Helena itself in the valley below. Notable sights include: Helena Valley, Big Belt Mountains, Continental Divide ridgeline, Missouri River canyon.
How long is the flight from Seattle to Helena?
The flight from Seattle Tacoma International (SEA) to Helena Rgnl (HLN) takes about 1 hour 10 minutes. The shortest flight path between them is 489 miles (788 km); winds and air traffic control usually add a few percent.
What does the Seattle to Helena flight path pass over?
The flight crosses the Cascades east of Snoqualmie Pass, then the Columbia Plateau's dry rolling terrain, before entering Montana over the Bitterroot Range. The Clark Fork River valley is visible near Missoula, followed by the Garnet Range and the broad Blackfoot River valley as the aircraft descends toward Helena.