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

British Airways is the most popular carrier 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 70 per week as of December 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 December 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.

£313 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

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Recent return flight deals from Ireland to Delaware

Enter your travel dates to find the best prices.

11:30 - 14:05

DUB

PHL

7h 35mdirect

18:35 - 07:55

PHL

DUB

32h 20m1 stop

£313British Airways

Sat, 24 Jan - Thu, 29 Jan

11:30 - 14:05

DUB

PHL

7h 35mdirect

21:25 - 08:40

PHL

DUB

6h 15mdirect

£322Finnair

Sat, 24 Jan - Thu, 29 Jan

16:05 - 13:30

DUB

PHL

26h 25m1 stop

18:35 - 09:50

PHL

DUB

10h 15m1 stop

£349American Airlines

Sat, 17 Jan - Sat, 24 Jan

20:35 - 16:15

DUB

PHL

24h 40m1 stop

18:35 - 14:20

PHL

DUB

14h 45m1 stop

£351British Airways

Fri, 20 Feb - Tue, 24 Feb

17:55 - 13:30

DUB

PHL

24h 35m1 stop

18:35 - 15:20

PHL

DUB

15h 45m1 stop

£351British Airways

Sat, 17 Jan - Mon, 26 Jan

11:30 - 14:05

DUB

PHL

7h 35mdirect

16:44 - 15:20

PHL

DUB

17h 36m2 stops

£352British Airways

Tue, 13 Jan - Mon, 26 Jan

11:30 - 13:55

DUB

PHL

7h 25mdirect

18:35 - 14:20

PHL

DUB

14h 45m1 stop

£353British Airways

Fri, 20 Feb - Tue, 24 Feb

20:40 - 14:00

DUB

PHL

22h 20m2 stops

16:44 - 15:20

PHL

DUB

17h 36m2 stops

£359British Airways

Sat, 17 Jan - Mon, 26 Jan

05:55 - 16:50

DUB

PHL

15h 55m2 stops

17:32 - 12:40

PHL

DUB

14h 08m2 stops

£360KLM

Fri, 16 Jan - Fri, 23 Jan

05:55 - 18:58

DUB

PHL

18h 03m2 stops

12:29 - 08:05

PHL

DUB

14h 36m2 stops

£362KLM

Sat, 24 Jan - Thu, 29 Jan

American Airlines flights from Ireland to Delaware

Our best American Airlines deals on Ireland to Delaware flight tickets

American Airlines

17 Jan

DUB16:05Dublin

26h 25m

1 stop

PHL13:30Philadelphia

24 Jan

PHL18:35Philadelphia

10h 15m

1 stop

DUB09:50Dublin

£349

Find similar

American Airlines

13 Jan

DUB11:30Dublin

7h 35m

PHL14:05Philadelphia

24 Jan

PHL18:35Philadelphia

10h 15m

1 stop

DUB09:50Dublin

£351

Find similar

American Airlines

13 Jan

DUB11:30Dublin

7h 35m

PHL14:05Philadelphia

21 Jan

PHL21:25Philadelphia

6h 15m

DUB08:40Dublin

£365

Find similar

British Airways flights from Ireland to Delaware

Our best British Airways deals on Ireland to Delaware flight tickets

British Airways

20 Feb

DUB20:35Dublin

24h 40m

1 stop

PHL16:15Philadelphia

24 Feb

PHL18:35Philadelphia

14h 45m

1 stop

DUB14:20Dublin

£351

Find similar

British Airways

17 Jan

DUB17:55Dublin

24h 35m

1 stop

PHL13:30Philadelphia

26 Jan

PHL18:35Philadelphia

15h 45m

1 stop

DUB15:20Dublin

£351

Find similar

British Airways

13 Jan

DUB11:30Dublin

7h 35m

PHL14:05Philadelphia

26 Jan

PHL16:44Philadelphia

17h 36m

2 stops

DUB15:20Dublin

£352

Find similar

Fly from

Fly to

Route

Depart

Return

Price

DublinPhiladelphia

DUB - PHL

DUBPHL

Dublin

Sat 24/1

11:30-14:05

Nonstop7h 35m

Philadelphia

Thu 29/1

18:35-07:55

1 stop32h 20m

£313

DublinPhiladelphia

DUB - PHL

DUBPHL

Dublin

Sat 24/1

11:30-14:05

Nonstop7h 35m

Philadelphia

Thu 29/1

21:25-08:40

Nonstop6h 15m

£322

DublinPhiladelphia

DUB - PHL

DUBPHL

Dublin

Sat 17/1

16:05-13:30

1 stop26h 25m

Philadelphia

Sat 24/1

18:35-09:50

1 stop10h 15m

£349

DublinPhiladelphia

DUB - PHL

DUBPHL

Dublin

Fri 20/2

20:35-16:15

1 stop24h 40m

Philadelphia

Tue 24/2

18:35-14:20

1 stop14h 45m

£351

DublinPhiladelphia

DUB - PHL

DUBPHL

Dublin

Sat 17/1

17:55-13:30

1 stop24h 35m

Philadelphia

Mon 26/1

18:35-15:20

1 stop15h 45m

£351

DublinPhiladelphia

DUB - PHL

DUBPHL

Dublin

Tue 13/1

11:30-14:05

Nonstop7h 35m

Philadelphia

Mon 26/1

16:44-15:20

2 stops17h 36m

£352

DublinPhiladelphia

DUB - PHL

DUBPHL

Dublin

Fri 20/2

11:30-13:55

Nonstop7h 25m

Philadelphia

Tue 24/2

18:35-14:20

1 stop14h 45m

£353

DublinPhiladelphia

DUB - PHL

DUBPHL

Dublin

Sat 17/1

20:40-14:00

2 stops22h 20m

Philadelphia

Mon 26/1

16:44-15:20

2 stops17h 36m

£359

DublinPhiladelphia

DUB - PHL

DUBPHL

Dublin

Fri 16/1

05:55-16:50

2 stops15h 55m

Philadelphia

Fri 23/1

17:32-12:40

2 stops14h 08m

£360

DublinPhiladelphia

DUB - PHL

DUBPHL

Dublin

Sat 24/1

05:55-18:58

2 stops18h 03m

Philadelphia

Thu 29/1

12:29-08:05

2 stops14h 36m

£362

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 £374. If you’re not able to fly to Delaware in April, then September is your next best option. Flight prices from Ireland to Delaware during September average around £379.

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 £427. 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 £527.

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 £457. In contrast, the most expensive time of day to depart to Delaware is in the afternoon when prices are around £498.

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 £445 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 £370 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 25m
Direct flights	Every day
Airports in Delaware	17 airports

The fastest flight from Ireland to Delaware takes 7h 25m

Direct flights go from Ireland to Delaware every day.

There are 17 airports in Delaware. From Ireland there are direct flights to 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 December 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.