S$503 Cheap Flights from Washington to Dublin

View S$503 flight on Sun, 17 Aug, 2025Opens in a new window

Popular airlines from Washington Dulles Intl. Airport (IAD) to Dublin Airport (DUB)

  • Plan, book, fly with confidence

  • trending down icon
    Be in the know
    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon
    Book smarter
    Save up to 40% on select hotels after you book a flight*
  • payments icon
    Earn twice
    Earn your airline miles on top of our rewards
    Sign in

Cheap Flights from Washington to Dublin (IAD-DUB)

Prices were available within the past 7 days and start at S$503 for one-way flights and S$678 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Sun, 17 Aug - Sun, 24 Aug
IAD
Washington
DUB
Dublin
S$678 Return, found 5 days ago
S$678
Return
found 5 days ago
Select United flight, departing Sun, 17 Aug from Washington to Dublin, returning Sun, 24 Aug, priced at S$678 found 5 days ago
Air Canada
Sun, 17 Aug - Sun, 24 Aug
IAD
Washington
DUB
Dublin
S$686 Return, found 5 days ago
S$686
Return
found 5 days ago
Select Air Canada flight, departing Sun, 17 Aug from Washington to Dublin, returning Sun, 24 Aug, priced at S$686 found 5 days ago
United
Sun, 17 Aug - Sun, 24 Aug
IAD
Washington
DUB
Dublin
S$695 Return, found 5 days ago
S$695
Return
found 5 days ago
Select United flight, departing Sun, 17 Aug from Washington to Dublin, returning Sun, 24 Aug, priced at S$695 found 5 days ago
Air Canada
Sun, 17 Aug - Sun, 24 Aug
IAD
Washington
DUB
Dublin
S$703 Return, found 5 days ago
S$703
Return
found 5 days ago
Select Air Canada flight, departing Sun, 17 Aug from Washington to Dublin, returning Sun, 24 Aug, priced at S$703 found 5 days ago
United
Sun, 17 Aug - Sun, 24 Aug
IAD
Washington
DUB
Dublin
S$705 Return, found 5 days ago
S$705
Return
found 5 days ago
Select United flight, departing Sun, 17 Aug from Washington to Dublin, returning Sun, 24 Aug, priced at S$705 found 5 days ago
Air Canada
Sun, 17 Aug - Sun, 24 Aug
IAD
Washington
DUB
Dublin
S$713 Return, found 5 days ago
S$713
Return
found 5 days ago
Select Air Canada flight, departing Sun, 17 Aug from Washington to Dublin, returning Sun, 24 Aug, priced at S$713 found 5 days ago
United
Sun, 17 Aug - Sun, 24 Aug
IAD
Washington
DUB
Dublin
S$727 Return, found 5 days ago
S$727
Return
found 5 days ago
Select United flight, departing Sun, 17 Aug from Washington to Dublin, returning Sun, 24 Aug, priced at S$727 found 5 days ago
Swiss International Air Lines
Sun, 17 Aug - Sun, 24 Aug
IAD
Washington
DUB
Dublin
S$730 Return, found 5 days ago
S$730
Return
found 5 days ago
Select Swiss International Air Lines flight, departing Sun, 17 Aug from Washington to Dublin, returning Sun, 24 Aug, priced at S$730 found 5 days ago
Lufthansa
Sun, 17 Aug - Sun, 24 Aug
IAD
Washington
DUB
Dublin
S$744 Return, found 5 days ago
S$744
Return
found 5 days ago
Select Lufthansa flight, departing Sun, 17 Aug from Washington to Dublin, returning Sun, 24 Aug, priced at S$744 found 5 days ago
KLM
Sun, 17 Aug - Sun, 24 Aug
IAD
Washington
DUB
Dublin
S$833 Return, found 5 days ago
S$833
Return
found 5 days ago
Select KLM flight, departing Sun, 17 Aug from Washington to Dublin, returning Sun, 24 Aug, priced at S$833 found 5 days ago

Find the cheapest month to fly from Washington (IAD) to Dublin (DUB)

November is typically the cheapest month to fly

From S$370 - S$861 per traveller.

Graph displaying average flight prices per month

Washington to Dublin route information
Origin airport
Washington Dulles Intl.
Destination airport
Dublin
Return price
S$677
Distance
5432 km
Average flight time
11 hours 57 mins

Perfect flights from Washington to Dublin

Your Journey from Washington to Dublin

Start your unforgettable journey with Expedia. Our broad selection of flights from Washington to Dublin caters to every travel need. Whether you're yearning for a romantic escape, a solo adventure, or a cultural immersion, we've got you covered.
 

Choosing Your Ideal Flight

With Expedia, you have access to a wide range of airlines, including United, Air Canada, Delta, KLM, Air France, Swiss International Air Lines, Lufthansa. Our selection of flights from Washington Dulles Intl. to Dublin caters to every traveler's requirements, ensuring your journey aligns with your schedule. With options from 20 airlines, you're bound to find the perfect flight.
 

Maximizing Value with Washington to Dublin Flights

Experience the joy of finding cheap flights from Washington Dulles Intl. to Dublin that fit your budget. Keep an eye out for our special deals and discounts, and check our flexible one-way fares from S$503 and roundtrip prices from S$678*.
 

Pre-Flight Essentials

Ensure a smooth journey from Washington to Dublin with Expedia. From information about check-in times and in-flight amenities to guidance on baggage policies, we provide all the essentials to prepare you for your flight.
 

Experience the Vibrant Dublin

Picture yourself stepping off the plane in Dublin and immersing yourself in the unique atmosphere of Dublin. From local markets to cultural festivals, each city offers its distinct charm. Make the most of your trip by exploring local attractions and indulging in the local cuisine. With Expedia, explore all this and more, tailored to your budget.
 

Added Convenience on Your Washington to Dublin Flight

Traveling with Expedia is more than just a flight. We offer details about in-flight amenities, baggage policies, and more to ensure a smooth and hassle-free journey. Choose from our variety of airlines and embark on a memorable journey from Washington to Dublin.
 

Beyond the Flight – Exploring Dublin

With Expedia, your adventure extends beyond the flight. Explore Dublin at your own pace by renting a car or booking a hotel. Discover hidden gems off the beaten path and create unforgettable memories.
 

Book Your Flight from Washington to Dublin with Confidence

Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support make your travel experience seamless and stress-free. Embark on your journey from Washington to Dublin with confidence. Book your travel arrangements with Expedia today.
 
*Note: Prices may vary based on availability and are subject to change.

Frequently asked questions

How much is a flight from Dulles Intl. Airport to Dublin Airport?
Start packing your suitcase, because round-trip journeys from Dulles Intl. Airport to Dublin Airport (DUB) start from S$678. That's based on fares advertised within the last 7 days on Expedia for flights departing within the next year. Prices can go up quickly, so book now to score the best deal. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Washington Dulles Intl. Airport (IAD) to Dublin Airport?
Most flights can be cancelled online, but every air carrier has its own set of terms and conditions. If you do decide to cancel your flight, go to our Customer Service Portal and follow the instructions.
How do I find cheap flights from Washington Dulles Intl. Airport (IAD) to Dublin Airport that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Dulles Intl. Airport to DUB flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Washington Dulles Intl. Airport (IAD) to Dublin Airport?
The distance is around 5,500 kilometres. Sleep mask? Check. Spare socks? Double check. You'd be wise to pack all the essentials for this long-haul Chantilly to Corballis flight.
Which airlines fly direct from IAD to Dublin Airport?
With 56 flights a month operating from IAD to Dublin Airport (DUB), Aer Lingus (EI) is a terrific choice. United Airlines (UA) is also worth considering. It operates 21 flights every month. Between these two airlines, you'll be able to find a great deal from Chantilly to Corballis.
Are Washington Dulles Intl. Airport (IAD) to Dublin Airport (DUB) flight tickets cheaper when they're purchased at the last minute?
Last-minute bookings from IAD to Dublin Airport can be hit-or-miss. You may be able to score a bargain, but you could also completely miss out! If you'd rather play it safe and start planning early on, Expedia compares flight deals up to a year in advance. Just remember that not all airlines list their prices so far in advance. Our advice? Check back often as prices are updated frequently.

Explore a world of travel with Expedia

Washington Airports

Washington

Baltimore

*Available to Expedia members.