Dublin (DUB) to Dulles (IAD)

3,395mi
5,464 km2,950 nm

Flight time

≈ 7h 35m

Bearing

283° W

Dublin (DUB) to Dulles (IAD) is 3,395 miles (5,464 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.

Route map: DUB → IADDUBIAD

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What actually flies DUBIAD

Filed traffic data

In May 2026, Aer Lingus operated the most departures, one of 2 carriers flying nonstop DUB–IAD; the Airbus A330-200 was the most common aircraft at 50% of departures; flights ran 71% full.

Departures

247

May 2026

Seats

46,318

both directions

Passengers

32,660

both directions

Load factor

70.5%

RPM ÷ ASM

Who flies DUB–IAD?

Aer Lingus operated the most nonstop DUB–IAD departures in May 2026 (124), one of 2 carriers on the route.

  • EI

    Aer Lingus

    124 departures · 24,670 seats

    70.0%

    Load

  • UA

    United Airlines

    123 departures · 21,648 seats

    71.1%

    Load

What plane flies DUB–IAD?

In May 2026, the Airbus A330-200 flew 50% of DUB–IAD departures — more than any other aircraft type.

How has DUB–IAD traffic changed?

Nonstop DUB–IAD departures rose from 237 in June 2025 to 247 in May 2026.

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

  • June 2025

    237 departures · 34,282 passengers

    80.7%

    Load

  • July 2025

    242 departures · 37,183 passengers

    85.3%

    Load

  • August 2025

    245 departures · 36,468 passengers

    83.0%

    Load

  • September 2025

    211 departures · 27,905 passengers

    73.6%

    Load

  • October 2025

    233 departures · 27,855 passengers

    66.2%

    Load

  • November 2025

    178 departures · 20,745 passengers

    64.2%

    Load

  • December 2025

    173 departures · 21,063 passengers

    67.2%

    Load

  • January 2026

    79 departures · 10,325 passengers

    73.1%

    Load

  • February 2026

    71 departures · 7,472 passengers

    57.8%

    Load

  • March 2026

    186 departures · 23,906 passengers

    70.7%

    Load

  • April 2026

    240 departures · 28,707 passengers

    66.5%

    Load

  • May 2026

    247 departures · 32,660 passengers

    70.5%

    Load

By direction

Each direction is filed separately — they rarely match.

DUBIAD

67.1% full

124 departures · 15,592 passengers

IADDUB

74.0% full

123 departures · 17,068 passengers

Nonstop DUB–IAD 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

IAD

US

Washington Dulles International Airport

Coordinates

38.94°N, 77.46°W

Hemisphere

N · W

Frequently asked

How far is Dublin (DUB) from Dulles (IAD)?

DUB to IAD is 3,395 miles (5,464 km / 2,950 nautical miles) measured great-circle — the shortest path over the surface of the Earth.

How long is the flight from DUB to IAD?

A nonstop covers the 3,395-mile great-circle distance in roughly 7h 35m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.

What plane flies DUB–IAD?

In May 2026, the Airbus A330-200 flew the largest share of departures (50.2%), followed by the Boeing 757-200 (49.8%).

What mileage do I earn flying DUB–IAD?

Distance-based programs credit off the 3,395-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.

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