Cheapest return flights from Washington (IAD) to Dublin (DUB), December

20 dates in December, from $ 580. Book in one tap, or check whether to buy now or wait.

One-wayReturn
Dates, airline, and price
Dates Airline Price
7 Dec 14 Dec Iberia
1 Dec 15 Dec TAP
30 Dec 13 Jan 2027 Icelandair
5 Dec 12 Dec Iberia
1 Dec 15 Dec Aer Lingus
Direct Flight
30 Dec 13 Jan 2027 Aer Lingus
Direct Flight
29 Dec 6 Jan 2027 Aer Lingus
Direct Flight
11 Dec 18 Dec Icelandair
7 Dec 14 Dec Aer Lingus
Direct Flight
5 Dec 10 Dec Aer Lingus
Direct Flight
3 Dec 10 Dec British Airways
5 Dec 12 Dec Aer Lingus
Direct Flight
10 Dec 21 Dec Aer Lingus
Direct Flight
28 Dec 5 Jan 2027 Aer Lingus
28 Dec 5 Jan 2027 Aer Lingus
Direct Flight
28 Dec 3 Jan 2027 Aer Lingus
19 Dec 9 Jan 2027 Air Canada
18 Dec 13 Jan 2027 Aer Lingus
Direct Flight
12 Dec 3 Jan 2027 Aer Lingus
19 Dec 9 Jan 2027 Aer Lingus
Direct Flight
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Deals for one-way flights from Washington to Dublin in December.

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Updated Oct 11, 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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