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Cheap flights from Washington, D.C. Dulles Intl Airport to Dublin from £329

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 23/3. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — DUB
22 Jan — 29 Jan1
1 adult

The best prices from Washington, D.C. Dulles Intl to Dublin are usually found in February or January, booked 32 days in advance, depart on a Thursday or Monday and return on a Monday

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 17 January 2025.

Round-trip from

£390

One-way from

£329

Popular in

June

Cheapest in

February

Average price

£440
18/3-25/3
  • 18/3-25/3
  • 2 total stops
  • 40h 45m total
  • Washington, D.C. to Dublin
23/3
  • 23/3
  • 1 total stop
  • 16h 40m total
  • Washington, D.C. to Dublin
High demand for flights, 24% potential price rise
Best time to find cheap flights, 4% potential price drop
Average for round-trip flights in January 2025

Find flight deals from Dulles Intl to Dublin

Cheapest flights from Dulles Intl to Dublin
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 17 January 2025.

Tue 18/322:55IAD - DUB
1 stop16h 40mMultiple Airlines
Tue 25/320:30DUB - IAD
1 stop24h 05mMultiple Airlines
Deal found 17/1£390
Sun 26/112:31IAD - DUB
2 stops15h 14mDelta
Tue 4/210:45DUB - IAD
2 stops17h 28mDelta
Deal found 16/1£394
Sun 23/1117:10IAD - DUB
Nonstop6h 45mAer Lingus
Wed 3/1216:10DUB - IAD
Nonstop8h 05mAer Lingus
Deal found 16/1£396
Tue 4/212:05IAD - DUB
1 stop15h 40mKLM
Tue 11/210:45DUB - IAD
1 stop13h 11mKLM
Deal found 17/1£401
Mon 3/317:10IAD - DUB
1 stop13h 30mScandinavian Airlines
Tue 11/311:15DUB - IAD
2 stops33h 25mScandinavian Airlines
Deal found 16/1£409
Mon 19/520:30IAD - DUB
1 stop11h 45mIcelandair
Fri 6/612:15DUB - IAD
1 stop14h 55mIcelandair
Deal found 15/1£414
Tue 25/212:05IAD - DUB
2 stops15h 20mAir France
Tue 4/311:30DUB - IAD
2 stops36h 25mAir France
Deal found 17/1£448
Fri 14/221:55IAD - DUB
1 stop12h 10mBritish Airways
Tue 18/220:30DUB - IAD
1 stop24h 05mBritish Airways
Deal found 16/1£449
Wed 22/122:30IAD - DUB
1 stop19h 50mTAP AIR PORTUGAL
Fri 31/111:05DUB - IAD
1 stop14h 55mTAP AIR PORTUGAL
Deal found 16/1£477
Tue 23/912:35IAD - DUB
1 stop21h 55mTurkish Airlines
Mon 13/1010:35DUB - IAD
1 stop29h 15mTurkish Airlines
Deal found 16/1£543

Find flights from Dulles Intl to Dublin within your budget

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 17 January 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Tue 18/3

22:55-19:35

1 stop16h 40m

Dublin

Tue 25/3

20:30-16:35

1 stop24h 05m

£390

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Mon 3/3

16:53-09:45

1 stop11h 52m

Dublin

Tue 11/3

10:45-19:19

1 stop12h 34m

£394

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Mon 17/2

17:10-11:40

1 stop13h 30m

Dublin

Wed 26/2

12:30-15:40

1 stop32h 10m

£395

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Mon 27/1

12:05-08:45

1 stop15h 40m

Dublin

Mon 3/2

13:25-15:45

1 stop31h 20m

£403

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Mon 19/5

20:30-13:15

1 stop11h 45m

Dublin

Fri 6/6

12:15-22:10

1 stop14h 55m

£414

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Tue 25/2

12:05-08:25

2 stops15h 20m

Dublin

Tue 4/3

11:30-18:55

2 stops36h 25m

£448

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Fri 14/2

21:55-15:05

1 stop12h 10m

Dublin

Tue 18/2

20:30-15:35

1 stop24h 05m

£449

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Tue 4/2

17:10-04:55

Nonstop6h 45m

Dublin

Wed 12/2

12:05-19:45

1 stop12h 40m

£462

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Sun 16/3

23:30-16:10

1 stop12h 40m

Dublin

Tue 18/3

16:55-22:00

1 stop33h 05m

£530

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Sat 8/3

14:00-13:40

1 stop18h 40m

Dublin

Tue 11/3

16:50-20:30

1 stop31h 40m

£573

Flights are sorted by cheapest return flights first.

Deals found on 16/1

Showing 1-10 of 20 results
1
2

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.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Dulles Intl to Dublin

Get recent, data-driven insights about flights from Dulles Intl to Dublin including ideal travel times, pricing trends, and more.

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 10 January 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 32 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 £104). 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 17 January 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 26% 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 17 January 2025.

The most flights from IAD to DUB are scheduled on a Monday (3 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (3 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 17 January 2025.
Read through reviews of airlines operating flights from Washington, D.C. to Dublin, such as KLM, Delta and Icelandair. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very Good
8,512 reviews

Crew

8.6

Overall

8.0

Food

7.3

Comfort

8.0

Boarding

8.2

Entertainment

7.9

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

8.0
Very Good
8,512 reviews
8.0
Very Good
8,512 reviews

Crew

8.6

Overall

8.0

Food

7.3

Comfort

8.0

Boarding

8.2

Entertainment

7.9

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

7.8
Good
1,339 reviews
8.0
Very Good
8,512 reviews

Crew

8.6

Overall

8.0

Food

7.3

Comfort

8.0

Boarding

8.2

Entertainment

7.9

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

7.5
Good
1,598 reviews
8.0
Very Good
8,512 reviews

Crew

8.6

Overall

8.0

Food

7.3

Comfort

8.0

Boarding

8.2

Entertainment

7.9

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

7.4
Good
1,487 reviews
8.0
Very Good
8,512 reviews

Crew

8.6

Overall

8.0

Food

7.3

Comfort

8.0

Boarding

8.2

Entertainment

7.9

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

7.4
Good
8,965 reviews
8.0
Very Good
8,512 reviews

Crew

8.6

Overall

8.0

Food

7.3

Comfort

8.0

Boarding

8.2

Entertainment

7.9

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.
  • What airport do you fly into for flights to Dublin from Washington, D.C. Dulles Intl?

    For a flight from Washington, D.C. Dulles Intl to Dublin, you will be flying into Dublin. Dublin (DUB) is just 5.7 mi from the center of the city. Dublin is the only Dublin airport and it handles 3 inbound flights from Washington, D.C. Dulles Intl per day. 2 airlines have flights to Dublin from Washington, D.C. Dulles Intl on a regular basis.

  • What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to Dublin round-trip?

    Flying on KLM is currently your cheapest option to Dublin, with prices starting at £394. Additional return tickets that might be worth considering are offered by Scandinavian Airlines and Delta, with the lowest prices starting at £395 and £403, respectively. These flights start at 33% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Washington, D.C. Dulles Intl Airport to Dublin one-way?

    The cheapet airlines for a one-way flight from Washington, D.C. Dulles Intl Airport to Dublin are Delta (£348), TAP AIR PORTUGAL (£360), and Air France (£369).

  • What are the most reliable airlines from Washington, D.C. Dulles Intl Airport to Dublin?

    No one likes to see their flight delayed. When booking a flight from Washington, D.C. Dulles Intl Airport to Dublin consider choosing Air Canada (80%), United Airlines (80%) or Lufthansa (80%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Washington, D.C. Dulles Intl Airport to Dublin?

    Looking for the cheapest flight from Washington, D.C. Dulles Intl Airport to Dublin? While on average our users pay £706, our data indicates the cheapest price to be £463. The most popular route (Washington, D.C. Dulles Intl - Dublin), is priced around £737.

  • Can I find deals for flights from Dulles Intl to Dublin that include hotel bookings?

    Yes. In addition to deals on Dulles Intl to Dublin flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Dulles Intl to Dublin?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Dublin.

  • Can I find deals for business class flights from Dulles Intl to Dublin?

    Yes. Cheapflights offers flight deals from Dulles Intl to Dublin by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • 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 £104). 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.

See more FAQs

Travelling to a place near Washington, D.C. Dulles Intl Airport?

Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locations
Bray
Wicklow
Swords
Drogheda
Tullamore
Athlone
Dundalk
Carlingford
Mullingar
Enniscorthy
Arklow
Cavan
Castleknock
Kildare
Malahide
Naas
Portmarnock

Browse thousands of different options on Cheapflights for your next trip

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Top 2 airlines flying from Dulles Intl to Dublin

Discover the top 2 airlines 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 17 January 2025.
AirlineCheapestAverageFlexibilityOn-time
PLAYCheapest£216Average£505FlexibilityNo cancel feeOn-timeN/A
Search PLAY flights
Aer LingusCheapest£391Average£640FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights

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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.

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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!

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