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Cheap flights from Ireland to Delaware from £277

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 7/6. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — ILG
2 Jun — 9 Jun1
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 3 May 2026.

Mon 15/613:45
DUB
-
PHL
Nonstop7h 15m
Finnair
Mon 22/618:30
PHL
-
DUB
Nonstop7h 00m
Finnair
Deal found 29/4£380
Thu 14/513:45
DUB
-
PHL
Nonstop7h 25m
Multiple Airlines
Tue 26/522:10
PHL
-
DUB
1 stop11h 25m
Multiple Airlines
Deal found 28/4£384
Mon 18/513:45
DUB
-
PHL
Nonstop7h 25m
Multiple Airlines
Wed 27/519:20
PHL
-
DUB
1 stop14h 15m
Multiple Airlines
Deal found 28/4£385
Thu 14/513:45
DUB
-
PHL
Nonstop7h 25m
Finnair
Sun 17/518:30
PHL
-
DUB
Nonstop7h 00m
Finnair
Deal found 30/4£390
Thu 4/610:30
DUB
-
PHL
1 stop11h 10m
British Airways
Sun 7/619:20
PHL
-
DUB
1 stop31h 25m
British Airways
Deal found 28/4£390
Thu 4/610:30
DUB
-
PHL
1 stop11h 10m
British Airways
Mon 8/619:20
PHL
-
DUB
1 stop11h 40m
British Airways
Deal found 1/5£392
Tue 2/610:40
DUB
-
PHL
1 stop13h 12m
JetBlue
Thu 11/620:55
PHL
-
DUB
1 stop30h 25m
JetBlue
Deal found 1/5£392
Mon 14/910:40
DUB
-
PHL
1 stop12h 24m
JetBlue
Mon 5/1015:25
PHL
-
DUB
1 stop11h 55m
JetBlue
Deal found 1/5£393
Fri 19/608:35
DUB
-
PHL
2 stops17h 35m
British Airways
Mon 22/617:30
PHL
-
DUB
2 stops16h 00m
British Airways
Deal found 2/5£395
Mon 15/610:00
DUB
-
PHL
1 stop14h 20m
Air France
Thu 25/617:22
PHL
-
DUB
2 stops24h 18m
Air France
Deal found 2/5£397
Thu 21/510:00
DUB
-
PHL
1 stop14h 27m
Multiple Airlines
Mon 25/509:26
PHL
-
DUB
1 stop20h 19m
Multiple Airlines
Deal found 3/5£398
Thu 14/513:45
DUB
-
PHL
Nonstop7h 25m
Iberia
Sun 17/519:40
PHL
-
DUB
1 stop11h 10m
Iberia
Deal found 30/4£399

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 3 May 2026.

Round-trip from

£380

One-way from

£277

Popular in

July

Cheapest in

March

Average price

£485
Finnair
  • Finnair
  • 15/6-22/6
  • Nonstop
  • 14h 15m total
  • Ireland to Delaware
Search Deals
JetBlue
  • JetBlue
  • 7/6
  • 1 total stop
  • 26h 56m total
  • Ireland to Delaware
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (£67 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 May 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 3 May 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

Wed 27/5

20:30-16:35

1 stop25h 05m

Philadelphia

Sun 31/5

18:30-06:30

Nonstop7h 00m

£401

ShannonPhiladelphia

SNN - PHL

SNNPHL

Shannon

Tue 2/6

13:05-11:50

2 stops27h 45m

Philadelphia

Tue 9/6

17:22-11:10

2 stops12h 48m

£408

ShannonPhiladelphia

SNN - PHL

SNNPHL

Shannon

Wed 3/6

13:05-08:55

2 stops24h 50m

Philadelphia

Tue 9/6

09:46-11:10

2 stops20h 24m

£409

ShannonPhiladelphia

SNN - PHL

SNNPHL

Shannon

Mon 15/6

13:05-11:51

2 stops27h 46m

Philadelphia

Mon 22/6

10:40-11:10

2 stops19h 30m

£439

DublinPhiladelphia

DUB - PHL

DUBPHL

Dublin

Thu 28/5

07:00-15:25

1 stop13h 25m

Philadelphia

Sun 9/8

22:20-15:45

1 stop12h 25m

£491

ShannonPhiladelphia

SNN - PHL

SNNPHL

Shannon

Wed 3/6

21:15-16:40

1 stop24h 25m

Philadelphia

Tue 9/6

19:20-16:10

1 stop15h 50m

£504

DublinPhiladelphia

DUB - PHL

DUBPHL

Dublin

Wed 24/6

15:00-22:22

1 stop12h 22m

Philadelphia

Wed 8/7

16:08-08:45

1 stop11h 37m

£506

ShannonPhiladelphia

SNN - PHL

SNNPHL

Shannon

Wed 3/6

21:15-16:40

1 stop24h 25m

Philadelphia

Sun 7/6

15:28-20:35

2 stops24h 07m

£506
Fastest return journey

DublinPhiladelphia

DUB - PHL

DUBPHL

Dublin

Thu 28/5

07:00-15:25

1 stop13h 25m

Philadelphia

Mon 10/8

18:50-06:30

Nonstop6h 40m

£510

DublinPhiladelphia

DUB - PHL

DUBPHL

Dublin

Fri 26/6

10:00-23:17

1 stop18h 17m

Philadelphia

Mon 13/7

13:10-08:20

2 stops14h 10m

£513

Flights are sorted by cheapest return flights first.

Deals found on 1/5

Showing 1-10 of 24 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 25h 05m. 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

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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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Heathrow to Baltimore flights
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Gatwick to Los Angeles flights
Stansted to Los Angeles flights
London City to Los Angeles flights
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Stansted to Orlando flights
Gatwick to Miami flights
Heathrow to George Bush Intcntl flights
Stansted to Miami flights
Manchester to LaGuardia flights
Heathrow to Tampa flights
Edinburgh to John F Kennedy Intl flights
London City to Miami flights
Edinburgh to Newark flights
Heathrow to Denver flights
London City to Boston flights
London City to Orlando flights
Gatwick to San Francisco flights
Gatwick to O'Hare Intl flights
Stansted to Boston flights
Heathrow to Nashville flights
Heathrow to Philadelphia flights

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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