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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 18/5. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — ILG
4 May — 11 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 4 April 2026.

Thu 9/412:40
DUB
-
PHL
Nonstop7h 25m
Multiple Airlines
Thu 16/422:05
PHL
-
DUB
1 stop16h 15m
Multiple Airlines
Deal found 31/3£388
Mon 18/510:40
DUB
-
PHL
1 stop16h 01m
JetBlue
Sat 30/519:47
PHL
-
DUB
1 stop31h 33m
JetBlue
Deal found 3/4£392
Wed 22/412:40
DUB
-
PHL
Nonstop7h 25m
British Airways
Sat 2/522:05
PHL
-
DUB
1 stop28h 40m
British Airways
Deal found 31/3£393
Wed 29/412:40
DUB
-
PHL
Nonstop7h 25m
Finnair
Wed 6/518:30
PHL
-
DUB
Nonstop7h 00m
Finnair
Deal found 30/3£394
Wed 6/512:40
DUB
-
PHL
Nonstop7h 25m
British Airways
Mon 11/519:35
PHL
-
DUB
1 stop19h 00m
British Airways
Deal found 29/3£395
Mon 18/513:45
DUB
-
PHL
Nonstop7h 25m
Finnair
Sat 30/518:30
PHL
-
DUB
Nonstop7h 00m
Finnair
Deal found 3/4£396
Fri 17/412:40
DUB
-
PHL
Nonstop7h 25m
Finnair
Fri 24/418:30
PHL
-
DUB
Nonstop7h 00m
Finnair
Deal found 30/3£396
Wed 22/410:40
DUB
-
PHL
1 stop11h 58m
JetBlue
Tue 28/418:33
PHL
-
DUB
1 stop8h 47m
JetBlue
Deal found 31/3£397
Mon 18/510:40
DUB
-
PHL
1 stop25h 54m
JetBlue
Sun 24/509:21
PHL
-
DUB
1 stop17h 59m
JetBlue
Deal found 30/3£398
Wed 6/510:40
DUB
-
PHL
1 stop11h 58m
JetBlue
Thu 7/518:33
PHL
-
DUB
1 stop8h 47m
JetBlue
Deal found 29/3£399
Wed 20/520:30
DUB
-
PHL
1 stop20h 40m
Multiple Airlines
Wed 10/618:30
PHL
-
DUB
Nonstop7h 00m
Multiple Airlines
Deal found 31/3£400
Mon 18/520:30
DUB
-
PHL
1 stop20h 40m
Multiple Airlines
Sat 30/518:30
PHL
-
DUB
Nonstop7h 00m
Multiple Airlines
Deal found 3/4£402

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 4 April 2026.

Round-trip from

£392

One-way from

£219

Popular in

July

Cheapest in

March

Average price

£374
JetBlue
  • JetBlue
  • 18/5-30/5
  • 2 total stops
  • 47h 34m total
  • Ireland to Delaware
Search Deals
JetBlue
  • JetBlue
  • 18/5
  • 1 total stop
  • 16h 01m total
  • Ireland to Delaware
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (£59 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£11 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 4 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
Fastest return journey

DublinPhiladelphia

DUB - PHL

DUBPHL

Dublin

Mon 18/5

13:45-16:10

Nonstop7h 25m

Philadelphia

Sat 30/5

18:30-06:30

Nonstop7h 00m

£396

DublinPhiladelphia

DUB - PHL

DUBPHL

Dublin

Wed 3/6

20:30-12:10

1 stop20h 40m

Philadelphia

Sat 13/6

18:30-06:30

Nonstop7h 00m

£404

DublinPhiladelphia

DUB - PHL

DUBPHL

Dublin

Wed 29/4

11:10-22:12

2 stops16h 02m

Philadelphia

Wed 6/5

09:25-08:15

2 stops17h 50m

£408

DublinPhiladelphia

DUB - PHL

DUBPHL

Dublin

Wed 20/5

08:35-22:24

2 stops18h 49m

Philadelphia

Sun 24/5

18:30-06:30

Nonstop7h 00m

£412

DublinPhiladelphia

DUB - PHL

DUBPHL

Dublin

Mon 18/5

08:55-23:07

2 stops19h 12m

Philadelphia

Mon 25/5

06:00-10:45

1 stop23h 45m

£413

ShannonPhiladelphia

SNN - PHL

SNNPHL

Shannon

Wed 3/6

13:05-08:55

2 stops24h 50m

Philadelphia

Tue 9/6

12:36-11:10

2 stops17h 34m

£417

ShannonPhiladelphia

SNN - PHL

SNNPHL

Shannon

Wed 3/6

16:50-12:10

1 stop24h 20m

Philadelphia

Tue 9/6

18:45-11:20

1 stop11h 35m

£510

DublinPhiladelphia

DUB - PHL

DUBPHL

Dublin

Thu 23/4

12:40-15:05

Nonstop7h 25m

Philadelphia

Mon 27/4

22:05-18:20

1 stop15h 15m

£511

DublinPhiladelphia

DUB - PHL

DUBPHL

Dublin

Wed 20/5

13:45-16:10

Nonstop7h 25m

Philadelphia

Sun 24/5

18:30-06:30

Nonstop7h 00m

£540

DublinPhiladelphia

DUB - PHL

DUBPHL

Dublin

Thu 18/6

05:55-16:51

2 stops15h 56m

Philadelphia

Tue 23/6

11:41-10:00

2 stops17h 19m

£605

Flights are sorted by cheapest return flights first.

Deals found on 31/3

Showing 1-10 of 26 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 25m. Fly via Finnair, 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

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