Cheap flights from Ireland to Delaware from £317

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 23/10. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — ILG
3 Sep — 10 Sep1
1 adult

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 29 August 2025.

Round-trip from

£338

One-way from

£317

Popular in

July

Cheapest in

April

Average price

£501
Delta
  • Delta
  • 11/9-17/9
  • 4 total stops
  • 29h 42m total
  • Ireland to Delaware
23/10
  • 23/10
  • 3 total stops
  • 20h 23m total
  • Ireland to Delaware
Highest demand for flights based on searches. 12% potential increase in price (£48 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£7 potential savings vs. average return price).
Average for round-trip flights in August 2025

Find flight deals from Ireland to Delaware

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 29 August 2025.

Thu 4/905:55DUB - PHL
2 stops16h 55mDelta
Sat 13/909:25PHL - DUB
2 stops18h 50mDelta
Deal found 27/8£338
Thu 4/905:55DUB - PHL
2 stops16h 55mDelta
Thu 11/910:45PHL - DUB
2 stops16h 35mDelta
Deal found 27/8£339
Fri 5/909:30DUB - PHL
Nonstop7h 15mMultiple Airlines
Wed 17/913:10PHL - DUB
1 stop11h 20mMultiple Airlines
Deal found 28/8£340
Fri 5/908:35DUB - PHL
1 stop11h 55mAmerican Airlines
Sat 13/918:50PHL - DUB
Nonstop6h 40mAmerican Airlines
Deal found 28/8£341
Thu 4/909:30DUB - PHL
Nonstop7h 15mFinnair
Sat 13/918:50PHL - DUB
Nonstop6h 40mFinnair
Deal found 27/8£342
Mon 8/913:15DUB - PHL
2 stops16h 41mDelta
Tue 16/913:35PHL - DUB
2 stops13h 40mDelta
Deal found 27/8£343
Fri 5/912:00DUB - PHL
1 stop14h 31mDelta
Wed 17/913:35PHL - DUB
1 stop16h 10mDelta
Deal found 28/8£343
Thu 4/910:00DUB - PHL
1 stop12h 50mMultiple Airlines
Thu 11/917:32PHL - DUB
1 stop12h 13mMultiple Airlines
Deal found 27/8£344
Fri 5/912:00DUB - PHL
1 stop14h 31mDelta
Tue 16/917:32PHL - DUB
1 stop12h 13mDelta
Deal found 26/8£345
Thu 4/909:30DUB - PHL
Nonstop7h 15mFinnair
Wed 10/918:50PHL - DUB
Nonstop6h 40mFinnair
Deal found 26/8£346
Wed 3/909:30DUB - PHL
Nonstop7h 15mAmerican Airlines
Sun 21/918:50PHL - DUB
Nonstop6h 40mAmerican Airlines
Deal found 26/8£347
Sat 6/1207:50SNN - PHL
1 stop13h 25mAer Lingus
Wed 10/1218:35PHL - SNN
1 stop19h 50mAer Lingus
Deal found 28/8£440

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 29 August 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

Thu 11/9

05:55-16:52

2 stops15h 57m

Philadelphia

Wed 17/9

13:35-08:20

2 stops13h 45m

£338

DublinPhiladelphia

DUB - PHL

DUBPHL

Dublin

Thu 4/12

11:30-13:55

Nonstop7h 25m

Philadelphia

Mon 8/12

21:10-08:40

Nonstop6h 30m

£339

DublinPhiladelphia

DUB - PHL

DUBPHL

Dublin

Sat 27/12

11:30-13:55

Nonstop7h 25m

Philadelphia

Thu 8/1

21:10-08:40

Nonstop6h 30m

£339

DublinPhiladelphia

DUB - PHL

DUBPHL

Dublin

Sun 7/9

16:20-19:00

Nonstop7h 40m

Philadelphia

Tue 16/9

20:30-08:10

Nonstop6h 40m

£339

DublinPhiladelphia

DUB - PHL

DUBPHL

Dublin

Sat 13/9

05:55-17:50

2 stops16h 55m

Philadelphia

Wed 17/9

13:35-08:20

2 stops13h 45m

£339

DublinPhiladelphia

DUB - PHL

DUBPHL

Dublin

Wed 12/11

11:30-13:55

Nonstop7h 25m

Philadelphia

Sun 30/11

21:15-08:40

Nonstop6h 25m

£339

DublinPhiladelphia

DUB - PHL

DUBPHL

Dublin

Sun 12/10

05:55-21:32

2 stops20h 37m

Philadelphia

Sun 19/10

09:46-08:20

2 stops17h 34m

£339

DublinPhiladelphia

DUB - PHL

DUBPHL

Dublin

Thu 20/11

11:30-13:55

Nonstop7h 25m

Philadelphia

Mon 24/11

21:15-08:40

Nonstop6h 25m

£339

DublinPhiladelphia

DUB - PHL

DUBPHL

Dublin

Wed 10/9

05:55-17:50

2 stops16h 55m

Philadelphia

Sun 28/9

17:32-12:35

2 stops14h 03m

£339

DublinPhiladelphia

DUB - PHL

DUBPHL

Dublin

Wed 15/10

08:55-19:14

2 stops15h 19m

Philadelphia

Sat 25/10

11:49-08:45

1 stop15h 56m

£340

Flights are sorted by cheapest return flights first.

Deals found on 26/8

Showing 1-10 of 27 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 25m. Fly via Delta, American Airlines, or Finnair 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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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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