What is the cheapest airline that flies from Ireland to Delaware?

Aer Lingus, Finnair, and British Airways are the most popular carriers operating from Ireland to Delaware

How many flights depart from Ireland to Delaware on average per week?

The number of flights available between Ireland and Delaware is 63 per week as of October 2025. The most frequent departure day is Mon, with 14% of weekly flights leaving on this day.

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 6 as of October 2025.

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.

£306 Cheap Flights from Ireland to Delaware in 2025/26

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Find the cheapest flights from Ireland to Delaware

Round-trip

One-way

Last minute

Direct

Recent return flight deals from Ireland to Delaware

10:20 - 16:15DUB-PHL

10h 55m1 stop

18:35 - 12:05PHL-DUB

12h 30m1 stop

£315British Airways

Find Deal

Wed, 5 Nov - Fri, 28 Nov

20:40 - 15:10DUB-PHL

23h 30m2 stops

19:45 - 15:05PHL-DUB

14h 20m1 stop

£324British Airways

Find Deal

Sun, 21 Dec - Fri, 9 Jan

11:30 - 13:55DUB-PHL

7h 25mdirect

19:45 - 14:20PHL-DUB

13h 35m1 stop

£328American Airlines

Find Deal

Wed, 12 Nov - Sun, 30 Nov

11:30 - 13:55DUB-PHL

7h 25mdirect

18:35 - 12:15PHL-DUB

12h 40m1 stop

£330Multiple Airlines

Find Deal

Mon, 3 Nov - Sun, 9 Nov

12:55 - 23:53DUB-PHL

15h 58m1 stop

19:45 - 14:50PHL-DUB

14h 05m1 stop

£335Multiple Airlines

Find Deal

Sat, 27 Dec - Thu, 8 Jan

08:50 - 16:15DUB-PHL

12h 25m1 stop

21:20 - 08:40PHL-DUB

6h 20mdirect

£341American Airlines

Find Deal

Thu, 4 Dec - Mon, 8 Dec

11:30 - 13:55DUB-PHL

7h 25mdirect

21:15 - 08:40PHL-DUB

6h 25mdirect

£342Finnair

Find Deal

Wed, 12 Nov - Sun, 30 Nov

11:30 - 13:55DUB-PHL

7h 25mdirect

21:20 - 08:40PHL-DUB

6h 20mdirect

£343Finnair

Find Deal

Fri, 14 Nov - Mon, 8 Dec

05:55 - 21:32DUB-PHL

20h 37m2 stops

17:32 - 15:45PHL-DUB

17h 13m2 stops

£344Delta

Find Deal

Mon, 3 Nov - Sun, 9 Nov

05:55 - 21:32DUB-PHL

20h 37m2 stops

17:32 - 15:45PHL-DUB

17h 13m2 stops

£345Delta

Find Deal

Mon, 3 Nov - Sun, 9 Nov

Finnair flights from Ireland to Delaware

Our best Finnair deals on Ireland to Delaware flight tickets

Finnair

12 Nov

DUB11:30Dublin

7h 25m

PHL13:55Philadelphia

30 Nov

PHL21:15Philadelphia

6h 25m

DUB08:40Dublin

£342

Find similar

Finnair

14 Nov

DUB11:30Dublin

7h 25m

PHL13:55Philadelphia

8 Dec

PHL21:20Philadelphia

6h 20m

DUB08:40Dublin

£343

Find similar

Finnair

12 Dec

DUB11:30Dublin

7h 30m

PHL14:00Philadelphia

23 Dec

PHL21:15Philadelphia

6h 25m

DUB08:40Dublin

£344

Find similar

Delta flights from Ireland to Delaware

Our best Delta deals on Ireland to Delaware flight tickets

Delta

3 Nov

DUB05:55Dublin

20h 37m

2 stops

PHL21:32Philadelphia

9 Nov

PHL17:32Philadelphia

17h 13m

2 stops

DUB15:45Dublin

£344

Find similar

Delta

3 Nov

DUB05:55Dublin

20h 37m

2 stops

PHL21:32Philadelphia

9 Nov

PHL17:32Philadelphia

17h 13m

2 stops

DUB15:45Dublin

£345

Find similar

Delta

6 Nov

DUB08:50Dublin

19h 15m

2 stops

PHL23:05Philadelphia

10 Nov

PHL17:32Philadelphia

17h 13m

2 stops

DUB15:45Dublin

£346

Find similar

Fly from

Fly to

Route

Depart

Return

Price

DublinPhiladelphia

DUB - PHL

DUBPHL

Dublin

Wed 5/11

10:20-16:15

1 stop10h 55m

Philadelphia

Fri 28/11

18:35-12:05

1 stop12h 30m

£315

DublinPhiladelphia

DUB - PHL

DUBPHL

Dublin

Sun 21/12

20:40-15:10

2 stops23h 30m

Philadelphia

Fri 9/1

19:45-15:05

1 stop14h 20m

£324

DublinPhiladelphia

DUB - PHL

DUBPHL

Dublin

Wed 12/11

11:30-13:55

Nonstop7h 25m

Philadelphia

Sun 30/11

19:45-14:20

1 stop13h 35m

£328

DublinPhiladelphia

DUB - PHL

DUBPHL

Dublin

Mon 3/11

11:30-13:55

Nonstop7h 25m

Philadelphia

Sun 9/11

18:35-12:15

1 stop12h 40m

£330

DublinPhiladelphia

DUB - PHL

DUBPHL

Dublin

Sat 27/12

12:55-23:53

1 stop15h 58m

Philadelphia

Thu 8/1

19:45-14:50

1 stop14h 05m

£335

DublinPhiladelphia

DUB - PHL

DUBPHL

Dublin

Thu 4/12

08:50-16:15

1 stop12h 25m

Philadelphia

Mon 8/12

21:20-08:40

Nonstop6h 20m

£341

DublinPhiladelphia

DUB - PHL

DUBPHL

Dublin

Wed 12/11

11:30-13:55

Nonstop7h 25m

Philadelphia

Sun 30/11

21:15-08:40

Nonstop6h 25m

£342

DublinPhiladelphia

DUB - PHL

DUBPHL

Dublin

Fri 14/11

11:30-13:55

Nonstop7h 25m

Philadelphia

Mon 8/12

21:20-08:40

Nonstop6h 20m

£343

DublinPhiladelphia

DUB - PHL

DUBPHL

Dublin

Mon 3/11

05:55-21:32

2 stops20h 37m

Philadelphia

Sun 9/11

17:32-15:45

2 stops17h 13m

£344

DublinPhiladelphia

DUB - PHL

DUBPHL

Dublin

Mon 3/11

05:55-21:32

2 stops20h 37m

Philadelphia

Sun 9/11

17:32-15:45

2 stops17h 13m

£345

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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 month to fly to Delaware?

In general, April is the cheapest month to fly from Ireland to Delaware. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £376. If you’re not able to fly to Delaware in April, then February is your next best option. Flight prices from Ireland to Delaware during February average around £388.

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 Monday. momondo users have found tickets for Monday departures for as low as £463. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Ireland to Delaware for around £565.

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 at midday. Flights from Ireland to Delaware during this time can be as low as £502. In contrast, the most expensive time of day to depart to Delaware is in the afternoon when prices are around £509.

How far in advance should I book a flight 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 £459 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 £388 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

Fastest flight time	7h 15m
Direct flights	Every day
Airports in Delaware	1 airport

The fastest flight from Ireland to Delaware takes 7h 15m

Direct flights go from Ireland to Delaware every day.

There is 1 airport near Delaware: Philadelphia (PHL)

Search flight deals

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 6 as of October 2025.
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.