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Cheap flights from Ireland to Delaware from £311

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/1. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — ILG
1 Jan — 8 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ireland to Delaware

Keep the following information in mind while searching for Ireland to Delaware flight deals. Data was last updated 2 December 2025.

Round-trip from

£311

Popular in

July

Cheapest in

April

Average price

£474
British Airways
  • British Airways
  • 12/1-18/1
  • 2 total stops
  • 32h 05m total
  • Ireland to Delaware
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£50 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£8 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Find flight deals from Ireland to Delaware

Enter your travel dates to find the best prices.

Cheapest flights from Ireland to Delaware
Explore the most affordable flight options available from Ireland to Delaware. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 2 December 2025.

Tue 23/1206:40DUB - PHL
1 stop11h 35mBritish Airways
Tue 20/119:50PHL - DUB
1 stop11h 20mBritish Airways
Deal found 1/12£402
Tue 23/1211:30DUB - PHL
Nonstop7h 25mMultiple Airlines
Tue 20/118:35PHL - DUB
1 stop17h 25mMultiple Airlines
Deal found 30/11£421
Tue 23/1211:30DUB - PHL
Nonstop7h 25mFinnair
Tue 20/121:25PHL - DUB
Nonstop6h 15mFinnair
Deal found 30/11£435
Tue 23/1211:30DUB - PHL
Nonstop7h 25mIberia
Tue 20/121:25PHL - DUB
Nonstop6h 15mIberia
Deal found 30/11£463
Sun 14/1208:45DUB - PHL
2 stops17h 52mDelta
Sat 10/112:00PHL - DUB
2 stops22h 45mDelta
Deal found 1/12£472
Fri 12/1206:00DUB - PHL
2 stops20h 37mDelta
Thu 8/106:00PHL - DUB
2 stops21h 45mDelta
Deal found 1/12£475
Fri 26/1211:30DUB - PHL
Nonstop7h 25mMultiple Airlines
Sun 4/112:25PHL - DUB
1 stop13h 45mMultiple Airlines
Deal found 1/12£481

Cheapflights Fare Finder

 
Customise your flight search to find flights from Ireland to Delaware 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 2 December 2025.
Use the filters below to find and compare flights from Ireland to Delaware that are best for you.

Fly from

Ireland

Fly to

Delaware

Route

Depart

Return

Price

DublinPhiladelphia

DUB - PHL

DUBPHL

Dublin

Wed 28/1

20:40-16:15

1 stop24h 35m

Philadelphia

Wed 4/2

15:35-09:40

2 stops13h 05m

£332

DublinPhiladelphia

DUB - PHL

DUBPHL

Dublin

Thu 15/1

20:40-13:30

1 stop21h 50m

Philadelphia

Thu 22/1

18:35-14:50

1 stop15h 15m

£332

DublinPhiladelphia

DUB - PHL

DUBPHL

Dublin

Thu 14/5

09:30-11:45

Nonstop7h 15m

Philadelphia

Mon 25/5

18:50-06:30

Nonstop6h 40m

£346

DublinPhiladelphia

DUB - PHL

DUBPHL

Dublin

Fri 23/1

11:30-14:05

Nonstop7h 35m

Philadelphia

Mon 26/1

21:25-08:40

Nonstop6h 15m

£346

DublinPhiladelphia

DUB - PHL

DUBPHL

Dublin

Fri 3/4

12:40-23:59

1 stop16h 19m

Philadelphia

Mon 13/4

15:37-09:55

1 stop13h 18m

£355

DublinPhiladelphia

DUB - PHL

DUBPHL

Dublin

Fri 3/4

12:40-00:54

1 stop17h 14m

Philadelphia

Mon 6/4

17:37-09:55

1 stop11h 18m

£355

DublinPhiladelphia

DUB - PHL

DUBPHL

Dublin

Fri 29/5

09:30-11:45

Nonstop7h 15m

Philadelphia

Mon 8/6

18:50-06:30

Nonstop6h 40m

£393

DublinPhiladelphia

DUB - PHL

DUBPHL

Dublin

Thu 22/1

05:00-16:05

1 stop16h 05m

Philadelphia

Mon 26/1

15:30-17:10

2 stops20h 40m

£395

DublinPhiladelphia

DUB - PHL

DUBPHL

Dublin

Fri 29/5

12:40-19:45

1 stop12h 05m

Philadelphia

Mon 8/6

13:42-05:30

1 stop10h 48m

£404

DublinPhiladelphia

DUB - PHL

DUBPHL

Dublin

Sat 16/5

09:20-21:37

1 stop17h 17m

Philadelphia

Mon 25/5

06:10-07:20

2 stops20h 10m

£404

Flights are sorted by cheapest return flights first.

Deals found on 1/12

Showing 1-10 of 21 results
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Best time to book a flight from Ireland to Delaware

Have a flexible travel schedule? Discover the best time to fly to Delaware from Ireland 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.

Cheapflights Insights

Everything you need to know about your flight from Ireland to Delaware
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Ireland to Delaware. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Ireland to Delaware?

    There are many flights that can get you from Ireland to Delaware in 7h 15m. Fly via British Airways, Iberia, or American Airlines to get the fastest option. The distance between Ireland and Delaware is about 3262 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • Can I find deals for flights from Ireland to Delaware that include hotel bookings?

    Yes. In addition to deals on Ireland to Delaware flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Ireland to Delaware?

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

  • Can I find deals for business class flights from Ireland to Delaware?

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

See more FAQs

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Alternative routes for Ireland to Delaware

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Fly with Cheapflights

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How does Cheapflights help users find flights from Ireland to Delaware?

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Can Cheapflights find flights from Ireland to Delaware with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Ireland to Delaware flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Ireland to Delaware become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Delaware from Ireland today and book when prices fit your budget.

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