Cheap flights from Washington, D.C. Dulles Intl Airport to Dublin from £356
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 21/7. Fares are subject to change and may not be available on all flights or dates of travel.
Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to Dublin are usually found in November or January, booked 58 days in advance, depart on a Sunday or Wednesday and return on a Wednesday
Cheap flight deals from Dulles Intl to Dublin
Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Dublin (DUB). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 14 May 2025.
Round-trip from | £378 |
---|---|
One-way from | £356 |
Popular in | June |
Cheapest in | November |
Average price | £582 |
Good round-trip deal | £486 or less |
Good one-way deal | £426 or less |
Find flight deals from Dulles Intl to Dublin
Cheapest flights from Dulles Intl to DublinExplore the most affordable flight options available from Dulles Intl to Dublin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 14 May 2025.
Explore the most affordable flight options available from Dulles Intl to Dublin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 14 May 2025.
Cheapflights Fare Finder
Customise your flight search to find flights from Dulles Intl to Dublin that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 14 May 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Dublin that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
Washington, D.C.Dublin
IAD - DUB
IADDUB
Washington, D.C. Dulles Intl
Tue 23/9
10:05-10:45
2 stops19h 40m
Dublin
Tue 30/9
13:15-11:50
1 stop27h 35m
Washington, D.C.Dublin
IAD - DUB
IADDUB
Washington, D.C. Dulles Intl
Wed 2/7
22:15-10:20
Nonstop7h 05m
Dublin
Wed 16/7
20:00-19:25
1 stop28h 25m
Washington, D.C.Dublin
IAD - DUB
IADDUB
Washington, D.C. Dulles Intl
Mon 18/8
22:05-10:55
2 stops31h 50m
Dublin
Wed 27/8
20:15-19:59
2 stops28h 44m
Washington, D.C.Dublin
IAD - DUB
IADDUB
Washington, D.C. Dulles Intl
Wed 24/9
20:45-12:10
1 stop34h 25m
Dublin
Mon 29/9
13:00-16:15
1 stop32h 15m
Washington, D.C.Dublin
IAD - DUB
IADDUB
Washington, D.C. Dulles Intl
Mon 30/6
23:15-13:15
1 stop9h 00m
Dublin
Thu 10/7
14:15-19:20
1 stop10h 05m
Washington, D.C.Dublin
IAD - DUB
IADDUB
Washington, D.C. Dulles Intl
Wed 24/9
22:20-16:55
1 stop13h 35m
Dublin
Mon 29/9
10:40-19:25
1 stop13h 45m
Washington, D.C.Dublin
IAD - DUB
IADDUB
Washington, D.C. Dulles Intl
Thu 10/7
19:05-07:10
Nonstop7h 05m
Dublin
Tue 22/7
09:20-11:53
2 stops31h 33m
Washington, D.C.Dublin
IAD - DUB
IADDUB
Washington, D.C. Dulles Intl
Tue 29/7
12:00-07:55
1 stop14h 55m
Dublin
Tue 5/8
12:00-23:21
1 stop16h 21m
Washington, D.C.Dublin
IAD - DUB
IADDUB
Washington, D.C. Dulles Intl
Tue 23/9
17:25-16:55
2 stops18h 30m
Dublin
Mon 29/9
17:40-14:35
2 stops25h 55m
Washington, D.C.Dublin
IAD - DUB
IADDUB
Washington, D.C. Dulles Intl
Fri 11/7
22:40-16:20
1 stop12h 40m
Dublin
Fri 25/7
10:55-20:10
1 stop14h 15m
Best time to book a flight from Dulles Intl to Dublin
Have a flexible travel schedule? Discover the best time to fly to Dublin from Dulles Intl with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from Washington, D.C. Dulles Intl Airport to Dublin
How far ahead should I book a flight from Washington, D.C. Dulles Intl Airport to Dublin?
Use this chart to determine the optimal time to book a return flight from Dulles Intl to Dublin. Price data was last updated on 9 May 2025.
The price you pay for your flight from Washington, D.C. Dulles Intl Airport to Dublin may vary depending on when you book. For the best chance of a lower fare, look to book 58 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Dublin?
Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Dublin (average of £71). Flying from Washington, D.C. Dulles Intl Airport to Dublin in June is currently the most expensive (average of £95). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from IAD to DUB?
Find hourly flight availability from Dulles Intl to Dublin. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 14 May 2025.
One of the essential ways to save on airfare from Washington, D.C. Dulles Intl Airport to Dublin is to remain as flexible as possible. Flights that are at midday tend to be the most expensive. A flight in the morning could potentially save you up to 9% on airfare.
Weekly flight availability from Washington, D.C. Dulles Intl Airport to Dublin
Explore weekly flight availability from Dulles Intl to Dublin. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 14 May 2025.
The most flights from IAD to DUB are scheduled on a Monday (12 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (12 on average).
Rainfall in Dublin by month
Plan your trip to Dublin by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Dublin ranges from 49.0 - 79.0 inches per month. October is typically the wettest month, when rainfall can reach 79.0 mm. February is typically the driest time to visit Dublin when rainfall is around 49.0 mm.
Temperature in Dublin by month
Plan your trip to Dublin by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Dublin, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 16.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 5.0 C).
Reviews of airlines servicing Dublin
Get insights into the airlines that provide service to Dublin. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Dublin. Reviews last updated 14 May 2025.
Read through reviews of airlines operating flights from Washington, D.C. to Dublin, such as Delta, KLM and Austrian Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
Entertainment
Crew
Food
Overall
Comfort
Reviews
Kim,May 2025
PIH - SLC
Boarding
Entertainment
Crew
Food
Overall
Comfort
Reviews
Kim,May 2025
PIH - SLC
Boarding
Entertainment
Crew
Food
Overall
Comfort
Reviews
Kim,May 2025
PIH - SLC
Boarding
Entertainment
Crew
Food
Overall
Comfort
Reviews
Kim,May 2025
PIH - SLC
Boarding
Entertainment
Crew
Food
Overall
Comfort
Reviews
Kim,May 2025
PIH - SLC
Boarding
Entertainment
Crew
Food
Overall
Comfort
Reviews
Kim,May 2025
PIH - SLC
Related info for your journey
Find useful and relevant information for your journey from Dulles Intl to Dublin. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Travelling to a place near Washington, D.C. Dulles Intl Airport?
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Complete your trip
Complete your trip to Dublin by adding a car hire and/or hotel booking to your travel itinerary.
Top airline flying from Dulles Intl to Dublin
Discover the top airline that operate flights from Dulles Intl to Dublin. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 14 May 2025.
Fly with Cheapflights
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How does Cheapflights help users find flights from Dulles Intl to Dublin?
Deals for Dulles Intl to Dublin flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.
Why should you use Cheapflights to find cheap flight tickets from Dulles Intl to Dublin?
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Can Cheapflights find flights from Dulles Intl to Dublin with no change fees?
Yes, we can. To see specific flights from Dulles Intl to Dublin with no change fees, users can toggle flexible booking options after using the search form above to find flights.
Can Cheapflights notify me if prices for flights from Dulles Intl to Dublin become cheaper?
Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!