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Cheap flights from Ireland to Delaware from £216

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 3/9. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — ILG
23 Aug — 30 Aug1
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 24 July 2026.

Thu 27/813:45
DUB
-
PHL
Nonstop7h 25m
Multiple Airlines
Mon 31/822:15
PHL
-
DUB
1 stop15h 25m
Multiple Airlines
Deal found 20/7£429
Thu 24/909:30
DUB
-
PHL
Nonstop7h 25m
Multiple Airlines
Mon 28/922:10
PHL
-
DUB
1 stop15h 30m
Multiple Airlines
Deal found 20/7£430
Wed 26/813:45
DUB
-
PHL
Nonstop7h 25m
Multiple Airlines
Mon 31/822:15
PHL
-
DUB
1 stop15h 25m
Multiple Airlines
Deal found 20/7£431
Thu 27/813:45
DUB
-
PHL
Nonstop7h 25m
Iberia
Mon 31/818:30
PHL
-
DUB
Nonstop7h 00m
Iberia
Deal found 20/7£434
Thu 24/909:30
DUB
-
PHL
Nonstop7h 25m
British Airways
Sun 27/922:10
PHL
-
DUB
1 stop13h 10m
British Airways
Deal found 20/7£435
Wed 2/908:35
DUB
-
PHL
1 stop13h 05m
British Airways
Sun 6/918:45
PHL
-
DUB
1 stop32h 00m
British Airways
Deal found 19/7£437
Thu 15/1009:30
DUB
-
PHL
Nonstop7h 15m
Multiple Airlines
Mon 2/1119:50
PHL
-
DUB
1 stop16h 15m
Multiple Airlines
Deal found 21/7£438
Wed 4/1111:30
DUB
-
PHL
Nonstop7h 35m
Finnair
Wed 11/1121:10
PHL
-
DUB
Nonstop6h 20m
Finnair
Deal found 19/7£441
Thu 27/813:45
DUB
-
PHL
Nonstop7h 25m
Finnair
Sat 5/917:55
PHL
-
DUB
1 stop12h 55m
Finnair
Deal found 21/7£445
Fri 4/913:05
SNN
-
PHL
2 stops27h 36m
Delta
Tue 8/912:29
PHL
-
SNN
2 stops17h 41m
Delta
Deal found 21/7£455
Thu 3/913:05
SNN
-
PHL
2 stops32h 06m
Delta
Tue 8/912:29
PHL
-
SNN
2 stops17h 41m
Delta
Deal found 21/7£457
Thu 3/913:05
SNN
-
PHL
2 stops17h 14m
Delta
Mon 7/906:15
PHL
-
SNN
2 stops23h 55m
Delta
Deal found 18/7£459

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 24 July 2026.

Round-trip from

£429

One-way from

£216

Popular in

August

Cheapest in

March

Average price

£664
27/8-31/8
  • 27/8-31/8
  • 1 total stop
  • 22h 50m total
  • Ireland to Delaware
Search Deals
JetBlue
  • JetBlue
  • 3/9
  • 1 total stop
  • 14h 21m total
  • Ireland to Delaware
Search Deals
Highest demand for flights based on searches. 20% potential increase in price (£91 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£15 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 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 24 July 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

Thu 27/8

13:45-16:10

Nonstop7h 25m

Philadelphia

Mon 31/8

22:15-18:40

1 stop15h 25m

£429

DublinPhiladelphia

DUB - PHL

DUBPHL

Dublin

Wed 16/9

09:30-11:55

Nonstop7h 25m

Philadelphia

Wed 21/10

18:45-12:05

1 stop12h 20m

£435
Fastest return journey

DublinPhiladelphia

DUB - PHL

DUBPHL

Dublin

Wed 16/9

09:30-11:55

Nonstop7h 25m

Philadelphia

Wed 21/10

18:50-06:30

Nonstop6h 40m

£435

DublinPhiladelphia

DUB - PHL

DUBPHL

Dublin

Sat 24/10

05:55-19:08

2 stops18h 13m

Philadelphia

Fri 30/10

12:25-09:25

2 stops17h 00m

£448

DublinPhiladelphia

DUB - PHL

DUBPHL

Dublin

Thu 3/9

05:55-22:16

2 stops21h 21m

Philadelphia

Sun 6/9

17:29-10:45

1 stop12h 16m

£449

DublinPhiladelphia

DUB - PHL

DUBPHL

Dublin

Wed 9/9

20:30-16:40

1 stop25h 10m

Philadelphia

Sun 13/9

18:30-06:30

Nonstop7h 00m

£452

DublinPhiladelphia

DUB - PHL

DUBPHL

Dublin

Mon 23/11

20:40-13:50

1 stop22h 10m

Philadelphia

Thu 3/12

21:10-08:30

Nonstop6h 20m

£453

ShannonPhiladelphia

SNN - PHL

SNNPHL

Shannon

Thu 3/9

13:05-01:19

2 stops17h 14m

Philadelphia

Mon 7/9

06:15-11:10

2 stops23h 55m

£459

ShannonPhiladelphia

SNN - PHL

SNNPHL

Shannon

Thu 3/9

16:50-12:15

1 stop24h 25m

Philadelphia

Mon 7/9

22:15-16:10

1 stop12h 55m

£563

ShannonPhiladelphia

SNN - PHL

SNNPHL

Shannon

Thu 3/9

07:30-15:35

1 stop13h 05m

Philadelphia

Tue 8/9

22:15-11:20

1 stop32h 05m

£566

Flights are sorted by cheapest return flights first.

Deals found on 22/7

Showing 1-10 of 25 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 British Airways, Finnair, 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

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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Manchester to John F Kennedy Intl flights
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Heathrow to Hobby flights
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Stansted to Orlando flights
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Heathrow to Atlanta flights
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Heathrow to George Bush Intcntl flights
Gatwick to Boston flights
Stansted to Los Angeles flights
London City to Los Angeles flights
Heathrow to Tampa flights
London City to Miami flights
London City to Dulles Intl flights
Stansted to Miami flights
Stansted to Dulles Intl flights
London City to Boston flights
Heathrow to Ontario flights
Manchester to Newark flights
Gatwick to San Francisco flights
Manchester to LaGuardia flights
Luton to Dulles Intl flights
Luton to Los Angeles 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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