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Cheap flights from Ireland to Delaware from £219

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 7/5. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — ILG
18 May — 25 May1
1 adult
1 adult, Economy, 0 bags

Cheap 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 18 April 2026.

Fri 15/513:45
DUB
-
PHL
Nonstop7h 25m
Multiple Airlines
Sun 24/522:10
PHL
-
DUB
1 stop13h 10m
Multiple Airlines
Deal found 16/4£389
Thu 23/412:40
DUB
-
PHL
Nonstop7h 25m
British Airways
Fri 1/519:35
PHL
-
DUB
1 stop17h 15m
British Airways
Deal found 13/4£392
Thu 14/513:45
DUB
-
PHL
Nonstop7h 25m
British Airways
Sat 23/522:10
PHL
-
DUB
1 stop28h 35m
British Airways
Deal found 17/4£393
Fri 15/513:45
DUB
-
PHL
Nonstop7h 25m
British Airways
Wed 27/519:20
PHL
-
DUB
1 stop19h 10m
British Airways
Deal found 16/4£394
Sat 9/508:35
DUB
-
PHL
2 stops17h 35m
British Airways
Sun 24/522:10
PHL
-
DUB
1 stop28h 35m
British Airways
Deal found 16/4£398
Wed 13/510:30
DUB
-
PHL
2 stops18h 29m
British Airways
Sat 23/522:10
PHL
-
DUB
1 stop28h 35m
British Airways
Deal found 16/4£399
Sat 2/518:45
DUB
-
PHL
1 stop22h 25m
Multiple Airlines
Fri 15/518:30
PHL
-
DUB
Nonstop7h 00m
Multiple Airlines
Deal found 16/4£400
Thu 11/613:45
DUB
-
PHL
Nonstop7h 15m
Finnair
Mon 15/618:30
PHL
-
DUB
Nonstop7h 00m
Finnair
Deal found 15/4£402
Thu 14/513:45
DUB
-
PHL
Nonstop7h 25m
Iberia
Tue 26/518:30
PHL
-
DUB
Nonstop7h 00m
Iberia
Deal found 17/4£403
Thu 14/513:45
DUB
-
PHL
Nonstop7h 25m
American Airlines
Thu 28/518:30
PHL
-
DUB
Nonstop7h 00m
American Airlines
Deal found 17/4£404
Mon 11/513:45
DUB
-
PHL
Nonstop7h 25m
American Airlines
Tue 19/513:47
PHL
-
DUB
1 stop14h 48m
American Airlines
Deal found 16/4£405
Wed 27/513:05
SNN
-
PHL
2 stops27h 45m
Delta
Mon 1/617:18
PHL
-
SNN
2 stops12h 52m
Delta
Deal found 14/4£413

Find flight deals from Ireland to Delaware

Keep the following information in mind while searching for Ireland to Delaware flight deals. Data was last updated 18 April 2026.

Round-trip from

£389

One-way from

£219

Popular in

July

Cheapest in

March

Average price

£398
15/5-24/5
  • 15/5-24/5
  • 1 total stop
  • 20h 35m total
  • Ireland to Delaware
Search Deals
JetBlue
  • JetBlue
  • 7/5
  • 1 total stop
  • 16h 01m total
  • Ireland to Delaware
Search Deals
Highest demand for flights based on searches. 16% potential increase in price (£65 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£12 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

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 18 April 2026.
Use the filters below to find and compare flights from Ireland to Delaware that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

DublinPhiladelphia

DUB - PHL

DUBPHL

Dublin

Thu 11/6

13:45-16:00

Nonstop7h 15m

Philadelphia

Mon 15/6

19:20-18:40

1 stop18h 20m

£394

ShannonPhiladelphia

SNN - PHL

SNNPHL

Shannon

Wed 27/5

13:05-11:50

2 stops27h 45m

Philadelphia

Mon 1/6

17:18-11:10

2 stops12h 52m

£413

ShannonPhiladelphia

SNN - PHL

SNNPHL

Shannon

Wed 3/6

13:05-11:50

2 stops27h 45m

Philadelphia

Tue 9/6

06:05-11:10

2 stops24h 05m

£413
Fastest return journey

DublinPhiladelphia

DUB - PHL

DUBPHL

Dublin

Thu 11/6

10:00-16:36

1 stop11h 36m

Philadelphia

Mon 15/6

17:22-09:15

1 stop10h 53m

£417

DublinPhiladelphia

DUB - PHL

DUBPHL

Dublin

Wed 10/6

10:00-16:36

1 stop11h 36m

Philadelphia

Mon 15/6

09:46-09:15

1 stop18h 29m

£418

DublinPhiladelphia

DUB - PHL

DUBPHL

Dublin

Sat 2/5

08:55-22:50

2 stops18h 55m

Philadelphia

Tue 12/5

12:38-10:00

1 stop16h 22m

£438

DublinPhiladelphia

DUB - PHL

DUBPHL

Dublin

Fri 15/5

08:35-16:35

1 stop13h 00m

Philadelphia

Tue 26/5

18:30-16:05

2 stops16h 35m

£446

DublinPhiladelphia

DUB - PHL

DUBPHL

Dublin

Thu 14/5

05:55-17:51

2 stops16h 56m

Philadelphia

Thu 21/5

05:17-08:45

1 stop22h 28m

£502

DublinPhiladelphia

DUB - PHL

DUBPHL

Dublin

Thu 7/5

10:40-21:41

1 stop16h 01m

Philadelphia

Sun 10/5

18:33-08:20

1 stop8h 47m

£504

ShannonPhiladelphia

SNN - PHL

SNNPHL

Shannon

Wed 20/5

21:15-15:25

1 stop23h 10m

Philadelphia

Sun 24/5

17:30-11:20

2 stops12h 50m

£506

Flights are sorted by cheapest return flights first.

Deals found on 13/4

Showing 1-10 of 32 resultsSorted by cheapest first
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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 or Delta 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

Browse thousands of different options on Cheapflights for your next trip

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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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Heathrow to Newark flights
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Stansted to Los Angeles flights
Stansted to Orlando flights
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Gatwick to Los Angeles flights
Gatwick to Boston flights
Stansted to Miami flights
Manchester to Newark flights
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London City to Orlando flights
London City to Miami flights
Manchester to LaGuardia flights
Heathrow to George Bush Intcntl flights
Gatwick to San Francisco flights
Luton to Miami flights
Heathrow to Denver flights
London City to Boston flights
Heathrow to Ontario flights
Heathrow to Tampa flights
Stansted to San Francisco flights
London City to San Francisco flights
Stansted to Boston flights
Heathrow to Nashville flights

Fly with Cheapflights

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

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Delaware from Ireland today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Ireland to Delaware?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Ireland to Delaware for you. Better yet — we are completely free to use.

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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