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Cheap flights from Ireland to Delaware from £275

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 4/6. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — ILG
9 Jun — 16 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 10 May 2026.

Wed 3/610:40
DUB
-
PHL
1 stop26h 51m
JetBlue
Mon 8/606:00
PHL
-
DUB
1 stop21h 20m
JetBlue
Deal found 7/5£356
Thu 9/710:40
DUB
-
PHL
1 stop14h 20m
JetBlue
Thu 16/708:28
PHL
-
DUB
1 stop18h 52m
JetBlue
Deal found 9/5£373
Wed 3/616:10
DUB
-
PHL
Nonstop7h 45m
Aer Lingus
Mon 8/620:25
PHL
-
DUB
Nonstop6h 50m
Aer Lingus
Deal found 7/5£387
Mon 5/1010:40
DUB
-
PHL
1 stop12h 24m
JetBlue
Tue 13/1015:25
PHL
-
DUB
1 stop11h 55m
JetBlue
Deal found 6/5£392
Thu 18/610:40
DUB
-
PHL
1 stop25h 58m
JetBlue
Thu 2/720:55
PHL
-
DUB
1 stop30h 25m
JetBlue
Deal found 8/5£395
Tue 19/510:00
DUB
-
PHL
1 stop11h 30m
Multiple Airlines
Mon 25/509:26
PHL
-
DUB
1 stop20h 19m
Multiple Airlines
Deal found 8/5£398
Thu 28/510:00
DUB
-
PHL
1 stop11h 30m
KLM
Tue 2/617:18
PHL
-
DUB
1 stop11h 42m
KLM
Deal found 6/5£398
Mon 1/611:00
DUB
-
PHL
1 stop16h 12m
Air France
Wed 10/612:07
PHL
-
DUB
1 stop15h 38m
Air France
Deal found 7/5£399
Thu 28/505:55
DUB
-
PHL
2 stops16h 56m
Delta
Tue 2/609:26
PHL
-
DUB
1 stop20h 19m
Delta
Deal found 6/5£400
Thu 14/508:55
DUB
-
PHL
2 stops18h 14m
Delta
Sat 23/506:12
PHL
-
DUB
2 stops20h 43m
Delta
Deal found 6/5£400
Mon 1/611:10
DUB
-
PHL
2 stops15h 59m
Delta
Wed 10/617:22
PHL
-
DUB
1 stop11h 38m
Delta
Deal found 8/5£401
Wed 3/613:05
SNN
-
PHL
2 stops24h 50m
Delta
Tue 9/612:39
PHL
-
SNN
2 stops17h 31m
Delta
Deal found 6/5£406

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 10 May 2026.

Round-trip from

£356

One-way from

£275

Popular in

July

Cheapest in

March

Average price

£477
JetBlue
  • JetBlue
  • 3/6-8/6
  • 2 total stops
  • 48h 11m total
  • Ireland to Delaware
Search Deals
JetBlue
  • JetBlue
  • 4/6
  • 1 total stop
  • 15h 41m total
  • Ireland to Delaware
Search Deals
Highest demand for flights based on searches. 18% potential increase in price (£72 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% 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 10 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
Fastest return journey

DublinPhiladelphia

DUB - PHL

DUBPHL

Dublin

Mon 15/6

11:10-22:22

2 stops16h 12m

Philadelphia

Thu 25/6

17:22-10:00

1 stop11h 38m

£400

DublinPhiladelphia

DUB - PHL

DUBPHL

Dublin

Thu 28/5

05:55-17:51

2 stops16h 56m

Philadelphia

Tue 9/6

12:39-07:55

2 stops14h 16m

£401

DublinPhiladelphia

DUB - PHL

DUBPHL

Dublin

Mon 1/6

11:10-22:09

2 stops15h 59m

Philadelphia

Wed 10/6

12:39-10:00

1 stop16h 21m

£402

DublinPhiladelphia

DUB - PHL

DUBPHL

Dublin

Wed 3/6

05:55-17:51

2 stops16h 56m

Philadelphia

Mon 8/6

13:10-08:20

2 stops14h 10m

£403

ShannonPhiladelphia

SNN - PHL

SNNPHL

Shannon

Wed 3/6

13:05-11:50

2 stops27h 45m

Philadelphia

Tue 9/6

12:39-11:10

2 stops17h 31m

£407

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

£488

DublinPhiladelphia

DUB - PHL

DUBPHL

Dublin

Thu 25/6

08:55-22:22

2 stops18h 27m

Philadelphia

Thu 9/7

13:10-08:20

2 stops14h 10m

£492

DublinPhiladelphia

DUB - PHL

DUBPHL

Dublin

Wed 24/6

08:55-22:22

2 stops18h 27m

Philadelphia

Wed 8/7

05:15-08:45

1 stop22h 30m

£498

ShannonPhiladelphia

SNN - PHL

SNNPHL

Shannon

Wed 3/6

16:50-16:40

1 stop28h 50m

Philadelphia

Tue 9/6

17:30-11:20

2 stops12h 50m

£502

ShannonPhiladelphia

SNN - PHL

SNNPHL

Shannon

Thu 4/6

07:30-16:40

1 stop14h 10m

Philadelphia

Sun 7/6

22:10-11:20

1 stop32h 10m

£505

Flights are sorted by cheapest return flights first.

Deals found on 5/5

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 16h 12m. 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

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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 Newark flights
Heathrow to Dulles Intl flights
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Luton to Newark flights
Heathrow to Dallas/Fort Worth flights
Heathrow to Seattle flights
Manchester to Orlando flights
Heathrow to Las Vegas flights
Heathrow to Baltimore flights
Gatwick to Orlando flights
Heathrow to Hobby flights
Gatwick to Los Angeles flights
Heathrow to Atlanta flights
Stansted to Los Angeles flights
Manchester to Newark flights
London City to Los Angeles flights
London City to Boston flights
Gatwick to Miami flights
Stansted to Orlando flights
Stansted to Boston flights
Heathrow to George Bush Intcntl flights
Stansted to Miami flights
Manchester to LaGuardia flights
London City to Miami flights
Stansted to LaGuardia flights
Gatwick to San Francisco flights
London City to San Francisco flights
Gatwick to O'Hare Intl flights
Gatwick to Dulles Intl flights
Stansted to San Francisco flights
Heathrow to Reagan-National flights
Heathrow to Ontario flights
Heathrow to Denver 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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