United States to Ireland · 3,395 miles (5,464 km)

Dulles (IAD) to Dublin (DUB) flights

2 airlines fly nonstop from Dulles (IAD) to Dublin (DUB): Aer Lingus and United Airlines. The two airports are 3,395 miles (5,464 km) apart. United Airlines is in Star Alliance. There are also 43 ways to fly it with one stop, through Hartford, New York and Boston and more.

Airlines flying nonstop from IAD to DUB

  • Aer Lingus logo
    Aer LingusNot in an alliance · bookable with 2 programsWho books it
  • United Airlines logo
    United AirlinesStar Alliance · bookable with 13 programsWho books it

Book IAD to DUB with points

Loyalty programs that can book at least one of the nonstop airlines, from the Award Booking Guide.

IAD to DUB with one stop

43 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.

  • Via Hartford (BDL)United Airlines, then Aer Lingus
    United Airlines logo
    Aer Lingus logo
  • Via New York (EWR)United Airlines the whole way
    United Airlines logo
    Aer Lingus logo
    United Airlines logo
  • Via Boston (BOS)United Airlines, then Delta Air Lines, Aer Lingus and 1 more
    United Airlines logo
    Delta Air Lines logo
    Aer Lingus logo
    JetBlue Airways logo
  • Via Philadelphia (PHL)United Airlines, then American Airlines and Aer Lingus
    United Airlines logo
    American Airlines logo
    Aer Lingus logo
  • Via New York (JFK)Delta Air Lines the whole way
    Delta Air Lines logo
    Delta Air Lines logo
    Aer Lingus logo
    JetBlue Airways logo
  • Via Montreal (YUL)Air Canada the whole way
    Air Canada logo
    United Airlines logo
    Air Canada logo
  • Via Toronto (YYZ)Air Canada the whole way
    Air Canada logo
    United Airlines logo
    Air Canada logo
    Aer Lingus logo
    Air Transat logo
    +1
  • Via Pittsburgh (PIT)United Airlines, then Aer Lingus
    United Airlines logo
    Aer Lingus logo
  • Via Edinburgh (EDI)United Airlines, then Aer Lingus, Ryanair and 1 more
    United Airlines logo
    Aer Lingus logo
    Ryanair logo
    Ryanair UK logo
  • Via Reykjavik (KEF)Icelandair the whole way
    Icelandair logo
    United Airlines logo
    Icelandair logo
  • Via Cleveland (CLE)United Airlines, then Aer Lingus
    United Airlines logo
    Aer Lingus logo
  • Via Raleigh/Durham (RDU)United Airlines, then Aer Lingus
    United Airlines logo
    Aer Lingus logo
  • Via Detroit (DTW)Delta Air Lines the whole way
    Delta Air Lines logo
    United Airlines logo
    Delta Air Lines logo
  • Via London (LHR)British Airways the whole way
    British Airways logo
    United Airlines logo
    Virgin Atlantic logo
    British Airways logo
    Aer Lingus logo
  • Via Charlotte (CLT)American Airlines the whole way
    American Airlines logo
    United Airlines logo
    American Airlines logo
See all 43 in Routes

IAD to DUB: common questions

Which airlines fly nonstop from IAD to DUB?

Aer Lingus and United Airlines (Star Alliance) fly nonstop from Dulles (IAD) to Dublin (DUB).

How far is Dulles from Dublin by plane?

Dulles (IAD) and Dublin (DUB) are 3,395 miles (5,464 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.

Which points programs can book IAD to DUB award flights?

15 programs can book at least one of the nonstop airlines: Aer Lingus AerClub, Air Canada Aeroplan, Air New Zealand Airpoints, Alaska Atmos Rewards, ANA Mileage Club, Avianca LifeMiles, Emirates Skywards, EVA Air Infinity MileageLands and 7 more. Which flights each can book depends on its partners, so check the airline before you transfer points.

How many miles does IAD to DUB cost?

It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for IAD to DUB with taxes and fees.

Where can I connect between Dulles and Dublin?

The most direct connections are through Hartford (BDL), New York (EWR), Boston (BOS), Philadelphia (PHL) and New York (JFK). On 21 of them the same airline flies both flights, for example United Airlines through New York.

More routes

Routes are scheduled nonstop flights. The route data is refreshed monthly; this list was last checked November 11, 2026. Seasonal routes and new launches can be missing or end early, so confirm with the airline before you book. Distances are great-circle, the shortest path between the two airports.