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Find the Cheapest Flights from Washington Dulles International Airport to Ireland

Unlock the cheapest flights and the best airfares from Washington Dulles International Airport to Ireland. Make your dream trip both memorable and affordable!

Airline Aer Lingus icon
Sat, Apr 18WAS-DUB
Aer Lingus
$622
Airline KLM icon
Fri, Apr 17WAS-ORK
KLM
$998

Washington Dulles International Airport to Ireland: Flight information

Cheapest flight found$622
Cheapest month to flyApril
Most popular airlineAer Lingus
Average flight duration15h

Cheapest flight found

May 2026

$368

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