£225 Cheap Flights from Washington (IAD) to Dublin (DUB)

You can find one-way and return flights from IAD to DUB with Expedia. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see our cheapest fares first, and use the Price Tracking tool to receive alerts when IAD to DUB ticket fares go up or down.

If you're looking for the cheapest time to fly from Washington, DC (IAD-Washington Dulles Intl.) to Dublin (DUB), October is typically your best bet! You can expect average return fares around £497 during this month. October often sees lower prices as the peak summer travel season has ended, and the holiday rush hasn't quite begun, leading to less demand. Other budget-friendly months for this route include January and February.

There are 2 airlines offering direct flights from Washington, DC (IAD-Washington Dulles Intl.) to Dublin (DUB). Here are the carriers:
* Aer Lingus operates 14 direct flights from Washington, DC (IAD-Washington Dulles Intl.) to Dublin (DUB) every week.
* United operates 14 direct flights from Washington, DC (IAD-Washington Dulles Intl.) to Dublin (DUB) every week.

To find a cheap flight from Washington, DC (IAD) to Dublin (DUB), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.

The cheapest months to fly from Washington, DC (IAD-Washington Dulles Intl.) to Dublin (DUB) are typically October and January, with average return flights around £497. These months often offer a good balance of more affordable fares and potentially fewer crowds, allowing you to enjoy your trip to Dublin without breaking the bank.

Sort flights by "Departure (earliest)" on Expedia to find the earliest flight from IAD to DUB. To compare more early flights, use the "Early Morning" and "Morning" filters in your search.

A nonstop flight from Washington, DC (IAD-Washington Dulles Intl.) to Dublin (DUB) typically takes around 7 hours, covering a distance of approximately 5,465 kilometers. If you opt for a flight with one stop, your journey will usually take longer, around 11 hours. Flights with two or more stops generally take about 14 hours 48 minutes. Keep in mind that actual flight times can vary due to factors like wind patterns and air traffic, so it's always a good idea to allow for some flexibility in your travel plans.

Select the "Business class" and "First class" filters when looking for Washington, DC (IAD) to Dublin (DUB) flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.

It's easy to earn miles on a Washington, DC (IAD-Washington Dulles Intl.) to Dublin (DUB) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.

*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.

Typically, booking a last minute flight from Washington, DC (IAD-Washington Dulles Intl.) to Dublin (DUB) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.

Securing a Washington, DC (IAD-Washington Dulles Intl.) to Dublin (DUB) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.

If you booked your Washington, DC (IAD) to Dublin (DUB) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.