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Cheap flights from Ireland to Delaware from £220

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 8/7. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — ILG
16 Jun — 23 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 17 May 2026.

Mon 15/613:45
DUB
-
PHL
Nonstop7h 15m
Multiple Airlines
Mon 22/622:10
PHL
-
DUB
1 stop15h 30m
Multiple Airlines
Deal found 17/5£387
Thu 18/609:30
DUB
-
PHL
1 stop20h 09m
Finnair
Sun 21/618:30
PHL
-
DUB
Nonstop7h 00m
Finnair
Deal found 12/5£392
Mon 15/613:45
DUB
-
PHL
Nonstop7h 15m
Finnair
Mon 22/618:30
PHL
-
DUB
Nonstop7h 00m
Finnair
Deal found 17/5£392
Thu 4/613:45
DUB
-
PHL
Nonstop7h 15m
Finnair
Thu 11/618:30
PHL
-
DUB
Nonstop7h 00m
Finnair
Deal found 16/5£395
Fri 22/513:45
DUB
-
PHL
Nonstop7h 15m
British Airways
Thu 28/522:10
PHL
-
DUB
1 stop30h 30m
British Airways
Deal found 15/5£397
Thu 11/613:45
DUB
-
PHL
Nonstop7h 15m
Finnair
Sun 21/618:30
PHL
-
DUB
Nonstop7h 00m
Finnair
Deal found 14/5£398
Wed 3/610:40
DUB
-
PHL
1 stop13h 12m
JetBlue
Mon 8/606:00
PHL
-
DUB
1 stop21h 20m
JetBlue
Deal found 13/5£398
Sun 24/505:55
DUB
-
PHL
2 stops18h 07m
Delta
Sat 30/516:30
PHL
-
DUB
2 stops17h 55m
Delta
Deal found 17/5£400
Sat 30/505:55
DUB
-
PHL
2 stops22h 12m
Delta
Sat 6/610:35
PHL
-
DUB
2 stops16h 40m
Delta
Deal found 16/5£401
Wed 3/613:05
SNN
-
PHL
2 stops24h 50m
Delta
Tue 9/612:39
PHL
-
SNN
2 stops17h 31m
Delta
Deal found 16/5£408
Tue 9/613:05
SNN
-
PHL
2 stops27h 49m
Delta
Tue 16/610:40
PHL
-
SNN
2 stops19h 30m
Delta
Deal found 12/5£413
Fri 5/621:15
SNN
-
PHL
1 stop19h 55m
British Airways
Mon 8/622:10
PHL
-
SNN
1 stop17h 25m
British Airways
Deal found 15/5£511

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 17 May 2026.

Round-trip from

£387

One-way from

£220

Popular in

July

Cheapest in

March

Average price

£488
15/6-22/6
  • 15/6-22/6
  • 1 total stop
  • 22h 45m total
  • Ireland to Delaware
Search Deals
JetBlue
  • JetBlue
  • 8/7
  • 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 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 17 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

Mon 15/6

13:45-16:00

Nonstop7h 15m

Philadelphia

Mon 22/6

22:10-18:40

1 stop15h 30m

£387

DublinPhiladelphia

DUB - PHL

DUBPHL

Dublin

Mon 1/6

08:55-22:09

2 stops18h 14m

Philadelphia

Wed 10/6

13:10-10:45

1 stop16h 35m

£402

DublinPhiladelphia

DUB - PHL

DUBPHL

Dublin

Sat 13/6

08:55-23:17

2 stops19h 22m

Philadelphia

Sat 20/6

10:15-10:45

1 stop19h 30m

£407

DublinPhiladelphia

DUB - PHL

DUBPHL

Dublin

Wed 3/6

05:55-17:51

2 stops16h 56m

Philadelphia

Mon 8/6

09:46-07:55

2 stops17h 09m

£407

ShannonPhiladelphia

SNN - PHL

SNNPHL

Shannon

Wed 3/6

13:05-08:55

2 stops24h 50m

Philadelphia

Tue 9/6

12:39-11:10

2 stops17h 31m

£408
Fastest return journey

DublinPhiladelphia

DUB - PHL

DUBPHL

Dublin

Sat 13/6

16:10-23:44

1 stop12h 34m

Philadelphia

Sat 20/6

20:25-08:15

Nonstop6h 50m

£476

DublinPhiladelphia

DUB - PHL

DUBPHL

Dublin

Fri 26/6

05:55-16:53

2 stops15h 58m

Philadelphia

Mon 13/7

13:10-08:20

2 stops14h 10m

£495

ShannonPhiladelphia

SNN - PHL

SNNPHL

Shannon

Fri 5/6

21:15-15:25

1 stop23h 10m

Philadelphia

Mon 8/6

18:45-11:20

1 stop11h 35m

£511

ShannonPhiladelphia

SNN - PHL

SNNPHL

Shannon

Wed 3/6

16:50-12:10

1 stop24h 20m

Philadelphia

Tue 9/6

17:30-11:20

2 stops12h 50m

£511
Cheapest one-way

DublinPhiladelphia

DUB - PHL

DUBPHL

Dublin

Tue 9/6

10:40-18:50

1 stop13h 10m

£350

Flights are sorted by cheapest return flights first.

Deals found on 16/5

Showing 1-10 of 21 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 14m. 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

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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Gatwick to LaGuardia flights
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Heathrow to O'Hare Intl flights
Heathrow to Dallas/Fort Worth flights
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Gatwick to Boston flights
Heathrow to Dulles Intl flights
Manchester to Orlando flights
Gatwick to Orlando flights
Heathrow to Las Vegas flights
Heathrow to Seattle flights
Gatwick to Los Angeles flights
Stansted to Los Angeles flights
London City to Los Angeles flights
Heathrow to Baltimore flights
Gatwick to Miami flights
Heathrow to Hobby flights
Heathrow to Atlanta flights
Stansted to Orlando flights
Stansted to Miami flights
London City to Boston flights
Manchester to Newark flights
Heathrow to Tampa flights
London City to Miami flights
Stansted to Boston flights
Stansted to LaGuardia flights
Heathrow to George Bush Intcntl flights
Heathrow to Ontario flights
Manchester to LaGuardia flights
Edinburgh to John F Kennedy Intl flights
London City to San Francisco flights
Gatwick to San Francisco flights
Stansted to San Francisco flights
Luton to Los Angeles flights
Gatwick to O'Hare Intl 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?

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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