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Helena (HLN) to Yakima (YKM)

406mi
654 km353 nm

Flight time

≈ 1h 37m

Bearing

273° W

Helena (HLN) to Yakima (YKM) is 406 miles (654 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.

Route map: HLN → YKMHLNYKM

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What actually flies HLNYKM

US DOT T-100 · filed data

In December 2025, Horizon Air was the only carrier flying nonstop HLN–YKM; the Embraer E175 was the most common aircraft at 100% of departures; flights ran 72% full.

Departures

1

December 2025

Seats

76

both directions

Passengers

55

both directions

Load factor

72.4%

passengers ÷ seats

Who flies HLN–YKM?

Horizon Air was the only carrier to fly nonstop HLN–YKM in December 2025 (1 departures).

  • QX

    Horizon Air

    1 departures · 76 seats

    72.4%

    Load

What plane flies HLN–YKM?

In December 2025, the Embraer E175 flew 100% of HLN–YKM departures.

How has HLN–YKM traffic changed?

Monthly nonstop HLNYKM traffic, trailing 12 months through December 2025. Bars scale to the busiest month; months with no filed service show as zero.

  • December 2025

    1 departures · 55 passengers

    72.4%

    Load

Nonstop HLN–YKM traffic has been filed with the US DOT since 2025.

Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through December 2025; filings from 2025. Public domain (US Government work). The DOT publishes roughly three months in arrears.

The airports

HLN

US

Helena Regional Airport

Coordinates

46.61°N, 111.98°W

Hemisphere

N · W

YKM

Yakima

US

Yakima Air Terminal McAllister Field

Coordinates

46.57°N, 120.54°W

Hemisphere

N · W

Frequently asked

How far is Helena (HLN) from Yakima (YKM)?

HLN to YKM is 406 miles (654 km / 353 nautical miles) measured great-circle — the shortest path over the surface of the Earth.

How long is the flight from HLN to YKM?

A nonstop covers the 406-mile great-circle distance in roughly 1h 37m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.

What plane flies HLN–YKM?

In December 2025, the Embraer E175 flew the largest share of departures (100.0%).

What mileage do I earn flying HLN–YKM?

Distance-based programs credit off the 406-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.

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