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Seattle (BFI) to Eugene (EUG)

239mi
385 km208 nm

Flight time

≈ 1h 17m

Bearing

191° S

Seattle (BFI) to Eugene (EUG) is 239 miles (385 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.

Route map: BFI → EUGBFIEUG

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What actually flies BFI–EUG

US DOT T-100 · filed data

In February 2026, Sun Country Airlines operated the most departures, one of 4 carriers flying nonstop BFI–EUG; the Boeing 737-800 was the most common aircraft at 40% of departures; flights ran 11% full.

Departures

5

February 2026

Seats

670

both directions

Passengers

72

both directions

Load factor

10.8%

passengers ÷ seats

Who flies BFI–EUG?

Sun Country Airlines operated the most nonstop BFI–EUG departures in February 2026 (2), one of 4 carriers on the route.

  • SY

    Sun Country Airlines

    2 departures · 372 seats

    11.0%

    Load

  • G4

    Allegiant Air

    1 departures · 180 seats

    17.2%

    Load

  • GCA

    Global Crossing Airlines

    1 departures · 68 seats

    0.0%

    Load

  • OO

    SkyWest Airlines

    1 departures · 50 seats

    0.0%

    Load

What plane flies BFI–EUG?

In February 2026, the Boeing 737-800 flew 40% of BFI–EUG departures — more than any other aircraft type.

How has BFI–EUG traffic changed?

Nonstop BFI–EUG departures rose from 2 in October 2025 to 5 in February 2026.

Monthly nonstop BFI–EUG traffic, trailing 12 months through February 2026. Bars scale to the busiest month; months with no filed service show as zero.

  • October 2025

    2 departures · 81 passengers

    51.3%

    Load

  • November 2025

    2 departures · 317 passengers

    89.0%

    Load

  • December 2025

    5 departures · 85 passengers

    21.1%

    Load

  • January 2026

    4 departures · 123 passengers

    16.5%

    Load

  • February 2026

    5 departures · 72 passengers

    10.8%

    Load

By direction

The DOT files each direction separately — they rarely match.

BFI → EUG

6.4% full

4 departures · 31 passengers

EUG → BFI

22.0% full

1 departures · 41 passengers

Nonstop BFI–EUG traffic has been filed with the US DOT since 2025.

Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through February 2026; filings from 2025. Public domain (US Government work). The DOT publishes roughly three months in arrears.

The airports

BFI

Seattle

US

King County International Airport - Boeing Field

Coordinates

47.53°N, 122.30°W

Hemisphere

N · W

EUG

Eugene

US

Eugene Airport

Coordinates

44.12°N, 123.21°W

Hemisphere

N · W

Frequently asked

How far is Seattle (BFI) from Eugene (EUG)?

BFI to EUG is 239 miles (385 km / 208 nautical miles) measured great-circle — the shortest path over the surface of the Earth.

How long is the flight from BFI to EUG?

A nonstop covers the 239-mile great-circle distance in roughly 1h 17m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.

What plane flies BFI–EUG?

In February 2026, the Boeing 737-800 flew the largest share of departures (40.0%), followed by the Airbus A320 (40.0%).

What mileage do I earn flying BFI–EUG?

Distance-based programs credit off the 239-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.

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