£283 Cheap Flights from Ireland to Delaware in 2026/27 | momondo

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Find the cheapest flights from Ireland to Delaware

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Recent return flight deals from Ireland to Delaware

Enter your travel dates to find the best prices.

08:50 - 16:15DUB Dublin-PHL Philadelphia

12h 25m1 stop London Heathrow

18:35 - 09:40PHL Philadelphia-DUB Dublin

10h 05m1 stop London Heathrow

£347British Airways

Tue, 3 Nov - Tue, 10 Nov

08:50 - 16:15DUB Dublin-PHL Philadelphia

12h 25m1 stop London Heathrow

18:35 - 12:10PHL Philadelphia-DUB Dublin

12h 35m1 stop London Heathrow

£348British Airways

Sat, 16 Jan - Sun, 31 Jan

11:30 - 14:00DUB Dublin-PHL Philadelphia

7h 30mdirect

20:50 - 08:40PHL Philadelphia-DUB Dublin

6h 50mdirect

£357Iberia

Sun, 1 Nov - Sun, 8 Nov

11:30 - 14:00DUB Dublin-PHL Philadelphia

7h 30mdirect

21:10 - 08:30PHL Philadelphia-DUB Dublin

6h 20mdirect

£358Iberia

Fri, 13 Nov - Mon, 28 Dec

11:30 - 14:00DUB Dublin-PHL Philadelphia

7h 30mdirect

19:40 - 14:20PHL Philadelphia-DUB Dublin

13h 40m1 stop London Heathrow

£363Multiple Airlines

Thu, 19 Nov - Tue, 24 Nov

11:30 - 14:00DUB Dublin-PHL Philadelphia

7h 30mdirect

18:35 - 18:40PHL Philadelphia-DUB Dublin

19h 05m1 stop London Heathrow

£363Multiple Airlines

Sun, 1 Nov - Sat, 7 Nov

11:30 - 14:00DUB Dublin-PHL Philadelphia

7h 30mdirect

20:50 - 08:40PHL Philadelphia-DUB Dublin

6h 50mdirect

£366Finnair

Sun, 1 Nov - Sat, 7 Nov

11:30 - 14:00DUB Dublin-PHL Philadelphia

7h 30mdirect

21:10 - 08:30PHL Philadelphia-DUB Dublin

6h 20mdirect

£368Finnair

Fri, 13 Nov - Mon, 28 Dec

12:55 - 16:10DUB Dublin-PHL Philadelphia

8h 15mdirect

17:40 - 05:15PHL Philadelphia-DUB Dublin

6h 35mdirect

£377Aer Lingus

Wed, 11 Nov - Sat, 14 Nov

16:10 - 18:55DUB Dublin-PHL Philadelphia

7h 45mdirect

18:40 - 05:15PHL Philadelphia-DUB Dublin

6h 35mdirect

£410Aer Lingus

Thu, 22 Oct - Thu, 29 Oct

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British Airways flights from Ireland to Delaware

Our best British Airways deals on Ireland to Delaware flight tickets

British Airways

3 Nov

DUB08:50Dublin

12h 25m

1 stop

PHL16:15Philadelphia

10 Nov

PHL18:35Philadelphia

10h 05m

1 stop

DUB09:40Dublin

£347

British Airways

23 Nov

DUB11:30Dublin

7h 30m

PHL14:00Philadelphia

29 Nov

PHL19:40Philadelphia

11h 30m

1 stop

DUB12:10Dublin

£366

British Airways

5 Nov

DUB11:30Dublin

7h 30m

PHL14:00Philadelphia

9 Nov

PHL18:35Philadelphia

15h 50m

1 stop

DUB15:25Dublin

£367

Finnair flights from Ireland to Delaware

Our best Finnair deals on Ireland to Delaware flight tickets

Finnair

13 Nov

DUB11:30Dublin

7h 30m

PHL14:00Philadelphia

28 Dec

PHL21:10Philadelphia

6h 20m

DUB08:30Dublin

£368

Finnair

19 Nov

DUB11:30Dublin

7h 30m

PHL14:00Philadelphia

24 Nov

PHL20:55Philadelphia

6h 45m

DUB08:40Dublin

£371

Finnair

1 Nov

DUB11:30Dublin

7h 30m

PHL14:00Philadelphia

10 Nov

PHL20:50Philadelphia

6h 50m

DUB08:40Dublin

£372

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

DublinPhiladelphia

DUB Dublin - PHL Philadelphia

DUBPHL

Dublin

Tue 3/11

08:50-16:15

1 stop12h 25m

Philadelphia

Tue 10/11

18:35-09:40

1 stop10h 05m

£347

DublinPhiladelphia

DUB Dublin - PHL Philadelphia

DUBPHL

Dublin

Sat 16/1

08:50-16:15

1 stop12h 25m

Philadelphia

Sun 31/1

18:35-12:10

1 stop12h 35m

£348

DublinPhiladelphia

DUB Dublin - PHL Philadelphia

DUBPHL

Dublin

Sun 1/11

11:30-14:00

Nonstop7h 30m

Philadelphia

Sun 8/11

20:50-08:40

Nonstop6h 50m

£357

Fastest return journey

DublinPhiladelphia

DUB Dublin - PHL Philadelphia

DUBPHL

Dublin

Fri 13/11

11:30-14:00

Nonstop7h 30m

Philadelphia

Mon 28/12

21:10-08:30

Nonstop6h 20m

£358

DublinPhiladelphia

DUB Dublin - PHL Philadelphia

DUBPHL

Dublin

Thu 19/11

11:30-14:00

Nonstop7h 30m

Philadelphia

Tue 24/11

19:40-14:20

1 stop13h 40m

£363

DublinPhiladelphia

DUB Dublin - PHL Philadelphia

DUBPHL

Dublin

Sun 1/11

11:30-14:00

Nonstop7h 30m

Philadelphia

Sat 7/11

18:35-18:40

1 stop19h 05m

£363

DublinPhiladelphia

DUB Dublin - PHL Philadelphia

DUBPHL

Dublin

Sun 1/11

11:30-14:00

Nonstop7h 30m

Philadelphia

Sat 7/11

20:50-08:40

Nonstop6h 50m

£366

DublinPhiladelphia

DUB Dublin - PHL Philadelphia

DUBPHL

Dublin

Fri 13/11

11:30-14:00

Nonstop7h 30m

Philadelphia

Mon 28/12

21:10-08:30

Nonstop6h 20m

£368

DublinPhiladelphia

DUB Dublin - PHL Philadelphia

DUBPHL

Dublin

Wed 11/11

12:55-16:10

Nonstop8h 15m

Philadelphia

Sat 14/11

17:40-05:15

Nonstop6h 35m

£377

DublinPhiladelphia

DUB Dublin - PHL Philadelphia

DUBPHL

Dublin

Thu 22/10

16:10-18:55

Nonstop7h 45m

Philadelphia

Thu 29/10

18:40-05:15

Nonstop6h 35m

£410

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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How to get the cheapest flight ticket from Ireland to Delaware

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest day to depart on your flight to Delaware?

On average, the least expensive day to fly to Delaware from Ireland is on a Sunday. momondo users have found tickets for Sunday departures for as low as £458. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Ireland to Delaware for around £560.

What is the cheapest time of day to depart on your flight to Delaware?

Our most recent data shows that the best time of day to fly to Delaware is in the morning. Flights from Ireland to Delaware during this time can be as low as £496. In contrast, the most expensive time of day to depart to Delaware is in the afternoon when prices are around £636.

How far in advance should I book a flight from Ireland to Delaware?

You are more likely to see cheaper flights to Delaware from Ireland when booking weeks ahead of your departure date. In general, you can expect to find flights to Delaware for around £474 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Delaware from Ireland for as low as £371 on momondo.

Cheap Ireland to Delaware flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ireland to Delaware

Best price found	£283
Fastest flight time	7h 20m
Direct flights	Mon, Wed, Thu, Fri, Sat and Sun
Airports in Delaware	17 airports

The best one-way flight to Delaware from Ireland in the past 72 hours is £283. The best return flight deal from Ireland to Delaware found on momondo in the last 72 hours is £347.

The fastest flight from Ireland to Delaware takes 7h 20m

Direct flights go from Ireland to Delaware on Monday, Wednesday, Thursday, Friday, Saturday and Sunday. There are no airlines offering direct flights..

There are 17 airports in Delaware. From Ireland there are direct flights to Philadelphia (PHL).

Search flight deals

Frequently asked questions about flying from Ireland to Delaware

When did momondo last update prices for flights from Ireland to Delaware?
Prices for flights from Ireland to Delaware are refreshed on a daily basis.
How many operators does momondo search for flights from Ireland to Delaware?
The number of operators available for flights from Ireland to Delaware is 5 as of September 2026.
How old do you have to be to fly from Ireland to Delaware?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ireland to Delaware.
What documentation or ID do you need to fly to Delaware?
The necessary travel and health documents for your Delaware trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from Ireland to Delaware?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Ireland to Delaware. momondo saves you time and could save you money on your trip.

Can I find flights from Ireland to Delaware with flexible booking policies on momondo?

All flight searches from Ireland to Delaware on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Ireland to Delaware?

Once you have performed a search for Ireland to Delaware flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Ireland to Delaware right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Delaware, momondo offers a useful price alert feature which will track prices for flights to Delaware from Ireland and alert you when they change.

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