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Cheap flights from Ireland to Delaware from £340

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/12. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — ILG
11 Dec — 18 Dec1
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 11 November 2025.

Round-trip from

£322

Popular in

July

Cheapest in

April

Average price

£415
British Airways
  • British Airways
  • 15/1-18/1
  • 2 total stops
  • 34h 30m total
  • Ireland to Delaware
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (£55 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 November 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 11 November 2025.

Thu 4/1210:30DUB - PHL
1 stop31h 45mAmerican Airlines
Mon 8/1218:35PHL - DUB
1 stop13h 00mAmerican Airlines
Deal found 8/11£340
Mon 17/1105:55DUB - PHL
2 stops20h 41mDelta
Mon 24/1117:33PHL - DUB
2 stops17h 12mDelta
Deal found 9/11£350
Sat 6/1212:55DUB - PHL
1 stop14h 46mAmerican Airlines
Tue 9/1219:50PHL - DUB
1 stop11h 20mAmerican Airlines
Deal found 10/11£351
Mon 17/1105:55DUB - PHL
2 stops15h 48mDelta
Sun 23/1106:00PHL - DUB
2 stops21h 45mDelta
Deal found 10/11£352
Mon 17/1105:55DUB - PHL
2 stops15h 48mDelta
Tue 25/1109:37PHL - DUB
2 stops17h 08mDelta
Deal found 10/11£353
Sat 22/1105:55DUB - PHL
2 stops19h 19mDelta
Mon 1/1217:33PHL - DUB
2 stops17h 47mDelta
Deal found 10/11£354
Thu 20/1105:55DUB - PHL
2 stops22h 11mDelta
Wed 26/1105:30PHL - DUB
1 stop21h 15mDelta
Deal found 10/11£355
Sun 7/1206:00DUB - PHL
2 stops15h 56mDelta
Sun 14/1206:00PHL - DUB
2 stops21h 45mDelta
Deal found 10/11£357
Thu 20/1111:30DUB - PHL
Nonstop7h 25mMultiple Airlines
Sun 23/1111:15PHL - DUB
1 stop14h 55mMultiple Airlines
Deal found 9/11£359
Thu 4/1217:30SNN - PHL
1 stop24h 45mBritish Airways
Mon 8/1219:50PHL - SNN
1 stop10h 40mBritish Airways
Deal found 10/11£462

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 11 November 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

Tue 10/3

05:55-21:17

2 stops19h 22m

Philadelphia

Tue 24/3

17:59-15:45

2 stops17h 46m

£350

DublinPhiladelphia

DUB - PHL

DUBPHL

Dublin

Sun 23/11

05:55-16:43

2 stops15h 48m

Philadelphia

Tue 2/12

17:36-15:45

2 stops17h 09m

£350

DublinPhiladelphia

DUB - PHL

DUBPHL

Dublin

Sat 6/12

05:55-20:17

2 stops19h 22m

Philadelphia

Tue 9/12

13:23-09:20

1 stop14h 57m

£352

DublinPhiladelphia

DUB - PHL

DUBPHL

Dublin

Thu 4/12

05:55-21:37

2 stops20h 42m

Philadelphia

Thu 11/12

05:30-08:45

2 stops22h 15m

£353

DublinPhiladelphia

DUB - PHL

DUBPHL

Dublin

Sat 22/11

05:55-20:14

2 stops19h 19m

Philadelphia

Mon 1/12

06:45-07:45

1 stop20h 00m

£353

DublinPhiladelphia

DUB - PHL

DUBPHL

Dublin

Wed 10/12

05:55-21:37

2 stops20h 42m

Philadelphia

Mon 15/12

08:00-07:45

1 stop18h 45m

£353

DublinPhiladelphia

DUB - PHL

DUBPHL

Dublin

Thu 27/11

05:55-17:36

2 stops16h 41m

Philadelphia

Sun 30/11

06:02-09:20

1 stop22h 18m

£355

DublinPhiladelphia

DUB - PHL

DUBPHL

Dublin

Thu 20/11

05:55-23:06

2 stops22h 11m

Philadelphia

Wed 26/11

05:30-07:45

1 stop21h 15m

£355

DublinPhiladelphia

DUB - PHL

DUBPHL

Dublin

Mon 8/12

11:30-14:00

Nonstop7h 30m

Philadelphia

Mon 15/12

19:50-16:20

1 stop15h 30m

£360

DublinPhiladelphia

DUB - PHL

DUBPHL

Dublin

Mon 8/12

11:30-21:37

1 stop15h 07m

Philadelphia

Mon 15/12

10:32-07:45

1 stop16h 13m

£361

Flights are sorted by cheapest return flights first.

Deals found on 9/11

Showing 1-10 of 20 results
1
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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 19h 22m. Fly via Delta or British Airways 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

See prices for flight routes from nearby airports that may be better suited for you.
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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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Why should you use Cheapflights to find cheap flight tickets 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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