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Cheapest one-way flights from Dublin (DUB) to Washington (IAD), December

6 dates in December, from $ 396. Book in one tap, or check whether to buy now or wait.

One-way Return

Dates, airline, and price
Dates	Airline	Price
8 Dec	Aer Lingus Direct Flight
24 Dec	Delta
17 Dec	Ryanair

21 Dec	Air France
21 Dec	Aer Lingus Direct Flight
24 Dec	United Direct Flight

Cheapest deals for the full year

Deals for return flights from Dublin to Washington in December.

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Updated Oct 10, 2026.

About these fares

These results come from our latest search across airlines for your currency. Prices change quickly and are not locked until you complete booking—always confirm the total and fare rules on the partner site.

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Cheapest one-way flights from Dublin (DUB) to Washington (IAD), December

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