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Cheap flights from Ireland to Delaware from £257

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
9 Sep — 16 Sep1
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 August 2026.

Tue 8/913:45 -
Nonstop7h 25m
Thu 17/918:30 -
Nonstop7h 00m
Deal found 5/8£428
Mon 28/909:30 -
Nonstop7h 25m
Sun 1/1121:10 -
Nonstop6h 20m
Deal found 7/8£438
Thu 19/1113:00 -
1 stop15h 15m
Mon 23/1118:35 -
1 stop13h 00m
Deal found 7/8£440
Thu 3/913:45 -
Nonstop7h 25m
Tue 8/922:15 -
1 stop13h 45m
Deal found 5/8£442
Tue 1/913:45 -
Nonstop7h 25m
Tue 8/922:15 -
1 stop13h 45m
Deal found 5/8£442
Thu 22/1009:30 -
Nonstop7h 20m
Tue 27/1019:35 -
1 stop17h 25m
Deal found 6/8£443
Mon 19/1009:30 -
Nonstop7h 20m
Mon 26/1019:35 -
1 stop17h 30m
Deal found 8/8£444
Tue 1/921:15 -
1 stop20h 00m
Fri 11/919:35 -
1 stop10h 45m
Deal found 5/8£445
Thu 22/1009:30 -
Nonstop7h 20m
Tue 27/1021:45 -
Nonstop6h 55m
Deal found 5/8£446
Tue 1/913:05 -
2 stops24h 43m
Fri 11/906:15 -
2 stops23h 55m
Deal found 5/8£473
Thu 27/821:15 -
1 stop23h 20m
Mon 31/817:30 -
2 stops17h 40m
Deal found 5/8£573
Fri 4/907:30 -
1 stop13h 05m
Sun 6/919:35 -
1 stop20h 00m
Deal found 6/8£576

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 August 2026.

Round-trip from

£428

One-way from

£257

Popular in

August

Cheapest in

March

Average price

£668
Finnair
  • Finnair
  • 8/9-17/9
  • Nonstop
  • 14h 25m total
  • Ireland to Delaware
Search Deals
3/9
  • 3/9
  • 2 total stops
  • 32h 05m total
  • Ireland to Delaware
Search Deals
Highest demand for flights based on searches. 20% potential increase in price (£88 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 August 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 August 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 Dublin - PHL Philadelphia

DUBPHL

Dublin

Fri 25/9

09:30-11:55

Nonstop7h 25m

Philadelphia

Mon 28/9

22:10-18:40

1 stop15h 30m

£443

DublinPhiladelphia

DUB Dublin - PHL Philadelphia

DUBPHL

Dublin

Thu 3/9

13:45-16:10

Nonstop7h 25m

Philadelphia

Mon 7/9

19:35-07:40

1 stop31h 05m

£447

DublinPhiladelphia

DUB Dublin - PHL Philadelphia

DUBPHL

Dublin

Fri 25/9

09:30-11:55

Nonstop7h 25m

Philadelphia

Mon 28/9

18:30-06:30

Nonstop7h 00m

£448
Fastest return journey

DublinPhiladelphia

DUB Dublin - PHL Philadelphia

DUBPHL

Dublin

Thu 19/11

11:30-14:05

Nonstop7h 35m

Philadelphia

Tue 24/11

21:10-08:30

Nonstop6h 20m

£455

DublinPhiladelphia

DUB Dublin - PHL Philadelphia

DUBPHL

Dublin

Thu 19/11

15:00-12:46

2 stops26h 46m

Philadelphia

Tue 24/11

19:50-14:20

1 stop13h 30m

£462

DublinPhiladelphia

DUB Dublin - PHL Philadelphia

DUBPHL

Dublin

Thu 19/11

05:45-22:12

2 stops21h 27m

Philadelphia

Mon 23/11

09:30-09:00

2 stops18h 30m

£463

DublinPhiladelphia

DUB Dublin - PHL Philadelphia

DUBPHL

Dublin

Tue 8/9

05:55-22:31

2 stops21h 36m

Philadelphia

Thu 17/9

13:24-08:15

2 stops13h 51m

£465

ShannonPhiladelphia

SNN Shannon - PHL Philadelphia

SNNPHL

Shannon

Tue 1/9

13:05-08:48

2 stops24h 43m

Philadelphia

Fri 11/9

06:15-11:10

2 stops23h 55m

£473

ShannonPhiladelphia

SNN Shannon - PHL Philadelphia

SNNPHL

Shannon

Tue 1/9

07:30-18:55

2 stops16h 25m

Philadelphia

Fri 11/9

19:35-11:20

1 stop10h 45m

£505

ShannonPhiladelphia

SNN Shannon - PHL Philadelphia

SNNPHL

Shannon

Thu 27/8

21:15-15:35

1 stop23h 20m

Philadelphia

Mon 31/8

17:30-16:10

2 stops17h 40m

£573

Flights are sorted by cheapest return flights first.

Deals found on 5/8

Showing 1-10 of 24 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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Luton to Los Angeles flights
Heathrow to Ontario flights
Manchester to Newark flights
London City to Boston flights
Heathrow to George Bush Intcntl flights
Manchester to LaGuardia flights
Luton to Miami flights
Luton to Orlando flights
Gatwick to Las Vegas flights
Gatwick to San Francisco flights
Stansted to Boston flights
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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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