Dublin (DUB) to Seattle (SEA)

4,526mi
7,283 km3,933 nm

Flight time

≈ 9h 51m

Bearing

318° NW

Dublin (DUB) to Seattle (SEA) is 4,526 miles (7,283 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.

Route map: DUB → SEADUBSEA

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What actually flies DUBSEA

Filed traffic data

In May 2026, Aer Lingus was the only carrier flying nonstop DUB–SEA; the Airbus A330-200 was the most common aircraft at 100% of departures; flights ran 78% full.

Departures

49

May 2026

Seats

13,435

both directions

Passengers

10,441

both directions

Load factor

77.7%

RPM ÷ ASM

Who flies DUB–SEA?

Aer Lingus was the only carrier to fly nonstop DUB–SEA in May 2026 (49 departures).

  • EI

    Aer Lingus

    49 departures · 13,435 seats

    77.7%

    Load

What plane flies DUB–SEA?

In May 2026, the Airbus A330-200 flew 100% of DUB–SEA departures.

How has DUB–SEA traffic changed?

Nonstop DUB–SEA departures fell from 60 in June 2025 to 49 in May 2026.

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

  • June 2025

    60 departures · 12,999 passengers

    78.8%

    Load

  • July 2025

    62 departures · 14,352 passengers

    85.5%

    Load

  • August 2025

    62 departures · 15,605 passengers

    91.1%

    Load

  • September 2025

    60 departures · 14,044 passengers

    85.6%

    Load

  • October 2025

    58 departures · 10,764 passengers

    67.1%

    Load

  • November 2025

    34 departures · 5,701 passengers

    61.1%

    Load

  • December 2025

    34 departures · 6,354 passengers

    66.9%

    Load

  • January 2026

    4 departures · 962 passengers

    88.8%

    Load

  • February 2026

    16 departures · 1,194 passengers

    28.1%

    Load

  • March 2026

    36 departures · 6,503 passengers

    62.6%

    Load

  • April 2026

    36 departures · 7,583 passengers

    78.1%

    Load

  • May 2026

    49 departures · 10,441 passengers

    77.7%

    Load

By direction

Each direction is filed separately — they rarely match.

DUBSEA

81.1% full

25 departures · 5,559 passengers

SEADUB

74.2% full

24 departures · 4,882 passengers

Nonstop DUB–SEA traffic has been filed since 2025.

Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through May 2026; filings from 2025. Public domain (US Government work).

The airports

DUB

Dublin

IE

Dublin Airport

Coordinates

53.43°N, 6.26°W

Hemisphere

N · W

SEA

US

Seattle–Tacoma International Airport

Coordinates

47.45°N, 122.31°W

Hemisphere

N · W

Frequently asked

How far is Dublin (DUB) from Seattle (SEA)?

DUB to SEA is 4,526 miles (7,283 km / 3,933 nautical miles) measured great-circle — the shortest path over the surface of the Earth.

How long is the flight from DUB to SEA?

A nonstop covers the 4,526-mile great-circle distance in roughly 9h 51m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.

What plane flies DUB–SEA?

In May 2026, the Airbus A330-200 flew the largest share of departures (100.0%).

What mileage do I earn flying DUB–SEA?

Distance-based programs credit off the 4,526-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.

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