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Cheap flights from Ireland to Delaware from £215

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 26/8. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — ILG
17 Aug — 24 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 18 July 2026.

Sat 5/913:45
DUB
-
PHL
Nonstop7h 25m
Finnair
Tue 15/918:30
PHL
-
DUB
Nonstop7h 00m
Finnair
Deal found 14/7£424
Sun 16/810:40
DUB
-
PHL
1 stop26h 42m
JetBlue
Sun 23/809:12
PHL
-
DUB
1 stop18h 08m
JetBlue
Deal found 14/7£425
Fri 28/813:45
DUB
-
PHL
Nonstop7h 25m
Multiple Airlines
Mon 31/822:15
PHL
-
DUB
1 stop15h 25m
Multiple Airlines
Deal found 15/7£426
Thu 27/813:45
DUB
-
PHL
Nonstop7h 25m
British Airways
Mon 31/822:15
PHL
-
DUB
1 stop15h 25m
British Airways
Deal found 13/7£430
Wed 2/913:45
DUB
-
PHL
Nonstop7h 25m
British Airways
Sun 6/918:45
PHL
-
DUB
1 stop32h 00m
British Airways
Deal found 14/7£431
Sat 5/909:30
DUB
-
PHL
1 stop19h 29m
Multiple Airlines
Tue 15/922:10
PHL
-
DUB
1 stop15h 40m
Multiple Airlines
Deal found 14/7£435
Thu 3/916:50
SNN
-
PHL
1 stop24h 25m
British Airways
Mon 7/922:15
PHL
-
SNN
1 stop12h 55m
British Airways
Deal found 15/7£559
Thu 27/821:15
SNN
-
PHL
2 stops24h 48m
British Airways
Mon 31/817:30
PHL
-
SNN
2 stops12h 50m
British Airways
Deal found 16/7£563
Wed 11/1117:30
SNN
-
PHL
1 stop25h 20m
British Airways
Sun 15/1119:50
PHL
-
SNN
1 stop10h 40m
British Airways
Deal found 12/7£566
Thu 27/809:30
SNN
-
PHL
1 stop13h 24m
United Airlines
Mon 31/813:30
PHL
-
SNN
1 stop13h 00m
United Airlines
Deal found 16/7£629
Wed 12/816:50
SNN
-
PHL
1 stop27h 45m
British Airways
Wed 19/815:20
PHL
-
SNN
2 stops15h 00m
British Airways
Deal found 15/7£667
Fri 17/712:30
SNN
-
PHL
2 stops17h 27m
United Airlines
Sun 19/710:39
PHL
-
SNN
2 stops18h 36m
United Airlines
Deal found 14/7£726

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 18 July 2026.

Round-trip from

£424

One-way from

£215

Popular in

July

Cheapest in

March

Average price

£665
Finnair
  • Finnair
  • 5/9-15/9
  • Nonstop
  • 14h 25m total
  • Ireland to Delaware
Search Deals
JetBlue
  • JetBlue
  • 26/8
  • 1 total stop
  • 14h 21m total
  • Ireland to Delaware
Search Deals
Highest demand for flights based on searches. 24% potential increase in price (£111 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 18 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

Fri 28/8

13:45-16:10

Nonstop7h 25m

Philadelphia

Mon 31/8

22:15-18:40

1 stop15h 25m

£426

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

£430

DublinPhiladelphia

DUB - PHL

DUBPHL

Dublin

Wed 2/9

13:45-16:10

Nonstop7h 25m

Philadelphia

Sun 6/9

18:45-07:45

1 stop32h 00m

£434

DublinPhiladelphia

DUB - PHL

DUBPHL

Dublin

Wed 23/12

18:00-16:15

1 stop27h 15m

Philadelphia

Mon 28/12

17:10-15:25

2 stops17h 15m

£438

DublinPhiladelphia

DUB - PHL

DUBPHL

Dublin

Sat 26/9

20:15-12:10

1 stop20h 55m

Philadelphia

Mon 26/10

22:10-08:30

Nonstop6h 20m

£441

DublinPhiladelphia

DUB - PHL

DUBPHL

Dublin

Sat 28/11

05:45-19:24

2 stops18h 39m

Philadelphia

Sat 5/12

12:09-07:45

1 stop14h 36m

£449
Fastest return journey

DublinPhiladelphia

DUB - PHL

DUBPHL

Dublin

Thu 13/8

13:45-16:10

Nonstop7h 25m

Philadelphia

Thu 20/8

18:30-06:30

Nonstop7h 00m

£546

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

£559

ShannonPhiladelphia

SNN - PHL

SNNPHL

Shannon

Thu 27/8

21:15-17:03

2 stops24h 48m

Philadelphia

Mon 31/8

17:30-11:20

2 stops12h 50m

£563

ShannonPhiladelphia

SNN - PHL

SNNPHL

Shannon

Wed 11/11

17:30-13:50

1 stop25h 20m

Philadelphia

Sun 15/11

16:00-11:30

2 stops14h 30m

£566

Flights are sorted by cheapest return flights first.

Deals found on 15/7

Showing 1-10 of 23 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 to get the fastest option. The distance between Ireland and Delaware is about 3262 mi. Most flights are nonstop.

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

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Ireland to Delaware?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Delaware from Ireland today with Cheapflights!

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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