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Cheap flights from Ireland to Delaware from £278

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 15/6. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — ILG
2 Jul — 9 Jul1
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 2 June 2026.

Fri 5/613:45
DUB
-
PHL
Nonstop7h 15m
Multiple Airlines
Fri 12/622:10
PHL
-
DUB
1 stop14h 40m
Multiple Airlines
Deal found 28/5£386
Thu 4/611:10
DUB
-
PHL
2 stops15h 59m
Delta
Wed 10/613:10
PHL
-
DUB
1 stop16h 35m
Delta
Deal found 28/5£399
Fri 5/605:55
DUB
-
PHL
2 stops16h 56m
Delta
Fri 12/606:25
PHL
-
DUB
1 stop21h 20m
Delta
Deal found 28/5£400
Tue 9/608:55
DUB
-
PHL
2 stops18h 27m
Delta
Sun 14/610:40
PHL
-
DUB
2 stops18h 20m
Delta
Deal found 1/6£401
Thu 11/611:10
DUB
-
PHL
2 stops16h 12m
Delta
Thu 18/605:40
PHL
-
DUB
1 stop21h 15m
Delta
Deal found 1/6£401
Sat 13/605:55
DUB
-
PHL
2 stops18h 17m
Delta
Wed 17/612:39
PHL
-
DUB
1 stop16h 21m
Delta
Deal found 28/5£404
Mon 15/609:30
DUB
-
PHL
1 stop20h 09m
Finnair
Mon 29/612:51
PHL
-
DUB
1 stop15h 54m
Finnair
Deal found 28/5£404
Sat 6/609:30
DUB
-
PHL
1 stop19h 10m
Finnair
Sun 14/617:40
PHL
-
DUB
1 stop13h 10m
Finnair
Deal found 30/5£405
Thu 18/615:00
DUB
-
PHL
1 stop30h 53m
KLM
Wed 24/612:39
PHL
-
DUB
1 stop16h 21m
KLM
Deal found 29/5£406
Wed 10/613:05
SNN
-
PHL
2 stops15h 12m
Delta
Wed 17/606:25
PHL
-
SNN
2 stops23h 45m
Delta
Deal found 31/5£406
Mon 8/611:00
DUB
-
PHL
1 stop12h 37m
KLM
Sat 13/619:05
PHL
-
DUB
1 stop32h 40m
KLM
Deal found 1/6£409
Fri 12/613:45
DUB
-
PHL
Nonstop7h 15m
Iberia
Tue 16/618:30
PHL
-
DUB
Nonstop7h 00m
Iberia
Deal found 1/6£430

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 2 June 2026.

Round-trip from

£401

One-way from

£278

Popular in

July

Cheapest in

March

Average price

£509
Delta
  • Delta
  • 15/6-29/6
  • 4 total stops
  • 32h 22m total
  • Ireland to Delaware
Search Deals
JetBlue
  • JetBlue
  • 15/6
  • 1 total stop
  • 14h 20m total
  • Ireland to Delaware
Search Deals
Highest demand for flights based on searches. 21% potential increase in price (£93 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£13 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 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 2 June 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

Sat 13/6

05:55-19:12

2 stops18h 17m

Philadelphia

Wed 17/6

12:39-10:00

1 stop16h 21m

£404

ShannonPhiladelphia

SNN - PHL

SNNPHL

Shannon

Tue 16/6

13:05-13:26

2 stops29h 21m

Philadelphia

Tue 23/6

12:07-11:10

2 stops18h 03m

£406

DublinPhiladelphia

DUB - PHL

DUBPHL

Dublin

Fri 26/6

08:55-22:22

2 stops18h 27m

Philadelphia

Mon 13/7

13:10-08:20

2 stops14h 10m

£490

DublinPhiladelphia

DUB - PHL

DUBPHL

Dublin

Wed 24/6

05:55-16:53

2 stops15h 58m

Philadelphia

Wed 8/7

06:10-10:00

1 stop22h 50m

£492

DublinPhiladelphia

DUB - PHL

DUBPHL

Dublin

Tue 16/6

05:55-19:12

2 stops18h 17m

Philadelphia

Mon 20/7

12:36-10:00

1 stop16h 24m

£493

DublinPhiladelphia

DUB - PHL

DUBPHL

Dublin

Fri 26/6

15:00-22:22

1 stop12h 22m

Philadelphia

Mon 13/7

09:46-10:00

1 stop19h 14m

£499
Fastest return journey

DublinPhiladelphia

DUB - PHL

DUBPHL

Dublin

Fri 26/6

15:00-22:22

1 stop12h 22m

Philadelphia

Mon 13/7

12:36-10:00

1 stop16h 24m

£499

ShannonPhiladelphia

SNN - PHL

SNNPHL

Shannon

Sun 12/7

12:30-09:45

2 stops50h 15m

Philadelphia

Sun 19/7

15:10-10:15

2 stops14h 05m

£677

ShannonPhiladelphia

SNN - PHL

SNNPHL

Shannon

Tue 7/7

12:30-00:57

2 stops17h 27m

Philadelphia

Tue 14/7

11:38-10:15

2 stops17h 37m

£678

ShannonPhiladelphia

SNN - PHL

SNNPHL

Shannon

Tue 14/7

09:30-21:19

1 stop16h 49m

Philadelphia

Tue 21/7

13:31-07:30

1 stop12h 59m

£678

Flights are sorted by cheapest return flights first.

Deals found on 29/5

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 18h 17m. Fly via Delta or United Airlines 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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Gatwick to LaGuardia flights
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Luton to Newark flights
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Manchester to John F Kennedy Intl flights
Heathrow to O'Hare Intl flights
Manchester to Orlando flights
Heathrow to San Francisco flights
London City to Newark flights
Gatwick to Boston flights
Gatwick to Orlando flights
Heathrow to Baltimore flights
Heathrow to Las Vegas flights
Heathrow to Dallas/Fort Worth flights
Heathrow to Seattle flights
Heathrow to Hobby flights
Gatwick to Los Angeles flights
Stansted to LaGuardia flights
Stansted to Los Angeles flights
London City to Los Angeles flights
Heathrow to Atlanta flights
Gatwick to Miami flights
Stansted to Orlando flights
Heathrow to George Bush Intcntl flights
Manchester to Newark flights
Stansted to Miami flights
London City to Miami flights
Heathrow to Tampa flights
Gatwick to San Francisco flights
Heathrow to Austin flights
London City to San Francisco flights
London City to Boston flights
Stansted to San Francisco flights
Gatwick to Dulles Intl flights
Manchester to LaGuardia flights
Gatwick to O'Hare Intl flights
Heathrow to Reagan-National flights
Stansted to Boston flights

Fly with Cheapflights

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How does Cheapflights help users find flights 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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