Best time to beat the crowds (4% less expensive on average)
Most popular time to fly (22% more expensive on average)
Flight from Dublin to Seattle/Tacoma Intl
Top tips for finding cheap flights to Washington
Looking for cheap airfare to Washington? 25% of our users found tickets to Washington for the following prices or less: From Dublin €697 one-way - €668 round-trip, from Cork €685 one-way - €719 round-trip, from Shannon €1,047 one-way - €966 round-trip
Book at least 5 weeks before departure in order to get a below-average price.
High season is considered to be July, August and September. The cheapest month to fly from Ireland is September.
Enter your preferred departure airport and travel dates into the search form above to unlock the latest Washington flight deals.
FAQs - booking Washington flights
An average direct flight from Ireland to Washington takes 20h 30m, covering a distance of 7218 km. The most popular route is Dublin - Seattle with an average flight time of 9h 55m.
The cheapest ticket to Washington from Ireland found in the last 72 hours was €564 one-way, and €362 round-trip. The most popular route is from Dublin to Seattle and the cheapest round-trip airline ticket found on this route in the last 72 hours was €362.
British Airways & Aer Lingus fly the most frequently from Ireland to Washington.
Based on KAYAK flight searches, the most popular destination is Seattle (96% of total searches to Washington). The next most popular destination is Spokane (4%).
British Airways and Aer Lingus have waived their change and cancellation fees on flights to Washington. Confirm policies on booking site.
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a given destination and date is likely to change within 7 days, so travellers know whether to wait or book now.