What are the cheapest airlines to fly from Ireland to Delaware one-way?

The cheapest airline one-way is Finnair, with whom users have recently found tickets for as low as £411. However, be on the lookout for offers from British Airways and Delta, as they are both options that can get you from Ireland to Delaware for a low price.

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

To save on the cost of your flight from Ireland to Delaware, book at least 23 days before your planned departure. Booking around this time can save you about 56% on the cost of this flight compared to booking a flight leaving this week. We have found prices from £498 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as £555.

What is the cheapest month to fly from Ireland to Delaware?

The best pricing can be found in the month of February. Prices to Delaware from Ireland average £496. You can even find prices in February for less than £496, as users have found deals to Delaware from as low as £349. The month of July appears to be one of the more expensive times to travel to Delaware from Ireland. Flying in the targeted month can save you up to 27%.

What is the cheapest time of day to fly from IE to DE?

When flying from Ireland to Delaware, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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.

£860+ Flights from Ireland to Delaware

Cheap flight deals from Ireland to Delaware

Round-trip from	£349

Air France
1/5-4/5
2 total stops
33h 13m total
Ireland to Delaware

Search Deals

Find flight deals from Ireland to Delaware

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 22 January 2025.

Thu 1/512:00DUB - PHL

1 stop14h 13mMultiple Airlines

Sun 4/510:45PHL - DUB

1 stop19h 00mMultiple Airlines

Deal found 21/1£349

Thu 17/411:00DUB - PHL

1 stop27h 27mDelta

Fri 2/510:45PHL - DUB

1 stop19h 00mDelta

Deal found 21/1£351

Thu 1/510:40DUB - PHL

1 stop10h 45mBritish Airways

Sun 4/518:50PHL - DUB

Nonstop6h 40mBritish Airways

Deal found 21/1£354

Mon 17/214:05DUB - PHL

Nonstop7h 30mFinnair

Mon 24/221:21PHL - DUB

Nonstop6h 19mFinnair

Deal found 20/1£412

Sat 1/309:00DUB - PHL

1 stop18h 36mUnited Airlines

Sun 9/316:25PHL - DUB

1 stop9h 45mUnited Airlines

Deal found 21/1£433

Thu 15/516:20DUB - PHL

Nonstop7h 40mAer Lingus

Tue 27/520:30PHL - DUB

Nonstop6h 40mAer Lingus

Deal found 21/1£447

Wed 3/909:30DUB - PHL

Nonstop7h 15mAmerican Airlines

Sun 21/920:30PHL - DUB

Nonstop6h 40mAmerican Airlines

Deal found 21/1£467

Mon 7/718:20DUB - PHL

1 stop26h 10mIberia

Fri 25/718:35PHL - DUB

Nonstop6h 40mIberia

Deal found 21/1£523

Thu 15/509:50DUB - PHL

2 stops17h 31mAir Canada

Tue 27/509:15PHL - DUB

2 stops18h 00mAir Canada

Deal found 21/1£538

Sun 20/405:55DUB - PHL

2 stops14h 40mKLM

Sun 1/615:20PHL - DUB

1 stop12h 25mKLM

Deal found 21/1£724

Sat 23/820:15DUB - PHL

3 stops29h 59mScandinavian Airlines

Sat 6/914:40PHL - DUB

2 stops20h 30mScandinavian Airlines

Deal found 21/1£819

Sun 9/204:25DUB - PHL

2 stops19h 42mTAP AIR PORTUGAL

Mon 17/212:55PHL - DUB

2 stops22h 15mTAP AIR PORTUGAL

Deal found 20/1£4,005

Best flights from Ireland to Delaware
Discover carefully curated flight deals from Ireland to Delaware that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 22 January 2025.

Thu 1/512:00DUB - PHL

1 stop14h 13mMultiple Airlines

Sun 4/510:45PHL - DUB

1 stop19h 00mMultiple Airlines

Deal found 21/1£349

Thu 17/411:00DUB - PHL

1 stop27h 27mDelta

Fri 2/510:45PHL - DUB

1 stop19h 00mDelta

Deal found 21/1£351

Thu 1/510:40DUB - PHL

1 stop10h 45mBritish Airways

Sun 4/518:50PHL - DUB

Nonstop6h 40mBritish Airways

Deal found 21/1£354

Tue 22/409:30DUB - PHL

Nonstop7h 10mFinnair

Sat 31/518:50PHL - DUB

Nonstop6h 40mFinnair

Deal found 21/1£370

Sat 1/309:00DUB - PHL

1 stop18h 36mUnited Airlines

Sun 9/316:25PHL - DUB

1 stop9h 45mUnited Airlines

Deal found 21/1£433

Thu 15/516:20DUB - PHL

Nonstop7h 40mAer Lingus

Tue 27/520:30PHL - DUB

Nonstop6h 40mAer Lingus

Deal found 21/1£447

Mon 7/718:20DUB - PHL

1 stop26h 10mIberia

Fri 25/718:35PHL - DUB

Nonstop6h 40mIberia

Deal found 21/1£523

Thu 15/509:50DUB - PHL

2 stops17h 31mAir Canada

Tue 27/509:15PHL - DUB

2 stops18h 00mAir Canada

Deal found 21/1£538

Sun 20/405:55DUB - PHL

2 stops14h 40mKLM

Sun 1/615:20PHL - DUB

1 stop12h 25mKLM

Deal found 21/1£724

Wed 2/720:15DUB - PHL

2 stops29h 59mScandinavian Airlines

Wed 16/709:30PHL - DUB

3 stops28h 30mScandinavian Airlines

Deal found 21/1£858

Sun 9/204:25DUB - PHL

2 stops19h 42mTAP AIR PORTUGAL

Mon 17/212:55PHL - DUB

2 stops22h 15mTAP AIR PORTUGAL

Deal found 20/1£4,005

Direct flights from Ireland to Delaware
Explore direct flight options from Ireland to Delaware based on user searches, and compare prices and availability for your desired travel dates. Data last updated 22 January 2025.

Tue 22/409:30DUB - PHL

Nonstop7h 10mFinnair

Sat 31/518:50PHL - DUB

Nonstop6h 40mFinnair

Deal found 21/1£370

Thu 15/516:20DUB - PHL

Nonstop7h 40mAer Lingus

Tue 27/520:30PHL - DUB

Nonstop6h 40mAer Lingus

Deal found 21/1£447

Mon 7/709:30DUB - PHL

Nonstop7h 15mMultiple Airlines

Fri 25/718:35PHL - DUB

Nonstop6h 40mMultiple Airlines

Deal found 21/1£485

Mon 24/314:05DUB - PHL

Nonstop7h 30mIberia

Sat 29/321:15PHL - DUB

Nonstop6h 25mIberia

Deal found 22/1£618

Last-minute flights from Ireland to Delaware
Discover last-minute flight deals from Ireland to Delaware. Data last updated 22 January 2025 and is based on user searches.

Thu 23/111:35DUB - PHL

1 stop12h 32mAer Lingus

Thu 23/121:31PHL - DUB

Nonstop6h 09mAer Lingus

Deal found 21/1£782

Mon 27/109:00DUB - PHL

2 stops17h 40mUnited Airlines

Mon 3/210:35PHL - DUB

2 stops15h 25mUnited Airlines

Deal found 20/1£452

Thu 30/110:30DUB - PHL

2 stops18h 02mBritish Airways

Wed 5/216:04PHL - DUB

2 stops15h 06mBritish Airways

Deal found 21/1£370

Tue 4/214:05DUB - PHL

Nonstop7h 35mMultiple Airlines

Tue 11/221:21PHL - DUB

1 stop12h 59mMultiple Airlines

Deal found 22/1£350

Sun 9/204:25DUB - PHL

2 stops19h 42mTAP AIR PORTUGAL

Mon 17/212:55PHL - DUB

2 stops22h 15mTAP AIR PORTUGAL

Deal found 20/1£4,005

Mon 17/214:05DUB - PHL

Nonstop7h 30mFinnair

Mon 24/221:21PHL - DUB

Nonstop6h 19mFinnair

Deal found 20/1£412

Tue 18/205:55DUB - PHL

2 stops20h 28mDelta

Mon 17/317:33PHL - DUB

2 stops18h 07mDelta

Deal found 21/1£364

One-way flights from Ireland to Delaware
Search for one-way flight options from Ireland to Delaware. Find affordable one-way fares based on user searches. Data last updated 22 January 2025.

Tue 18/214:05DUB - PHL

Nonstop7h 30mFinnair

Deal found 20/1£411

Tue 18/208:40DUB - PHL

1 stop12h 40mBritish Airways

Deal found 20/1£420

Sun 18/520:25DUB - PHL

1 stop21h 25mMultiple Airlines

Deal found 21/1£451

Tue 18/305:55DUB - PHL

2 stops19h 20mDelta

Deal found 20/1£481

Sun 23/214:05DUB - PHL

Nonstop7h 30mAer Lingus

Deal found 22/1£1,287

Mon 21/721:10DUB - PHL

3 stops29h 04mScandinavian Airlines

Deal found 21/1£1,560

Wed 9/713:35DUB - PHL

3 stops36h 57mUnited Airlines

Deal found 21/1£3,220

Find flights from Ireland to Delaware within your budget

Fly from

Fly to

Route

Depart

Return

Price

DublinPhiladelphia

DUB - PHL

DUBPHL

Dublin

Thu 1/5

12:00-21:13

1 stop14h 13m

Philadelphia

Sun 4/5

10:45-10:45

1 stop19h 00m

£349

DublinPhiladelphia

DUB - PHL

DUBPHL

Dublin

Thu 17/4

11:00-09:27

1 stop27h 27m

Philadelphia

Fri 2/5

10:45-10:45

1 stop19h 00m

£351

DublinPhiladelphia

DUB - PHL

DUBPHL

Dublin

Thu 1/5

10:40-16:25

1 stop10h 45m

Philadelphia

Sun 4/5

18:50-06:30

Nonstop6h 40m

£354

DublinPhiladelphia

DUB - PHL

DUBPHL

Dublin

Tue 22/4

09:30-11:40

Nonstop7h 10m

Philadelphia

Sat 31/5

18:50-06:30

Nonstop6h 40m

£370

DublinPhiladelphia

DUB - PHL

DUBPHL

Dublin

Sat 1/3

09:00-22:36

1 stop18h 36m

Philadelphia

Sun 9/3

16:25-06:10

1 stop9h 45m

£433

DublinPhiladelphia

DUB - PHL

DUBPHL

Dublin

Thu 15/5

16:20-19:00

Nonstop7h 40m

Philadelphia

Tue 27/5

20:30-08:10

Nonstop6h 40m

£447

DublinPhiladelphia

DUB - PHL

DUBPHL

Dublin

Mon 7/7

18:20-15:30

1 stop26h 10m

Philadelphia

Fri 25/7

18:35-06:15

Nonstop6h 40m

£523

DublinPhiladelphia

DUB - PHL

DUBPHL

Dublin

Thu 15/5

09:50-22:21

2 stops17h 31m

Philadelphia

Tue 27/5

09:15-08:15

2 stops18h 00m

£538

DublinPhiladelphia

DUB - PHL

DUBPHL

Dublin

Sun 20/4

05:55-15:35

2 stops14h 40m

Philadelphia

Sun 1/6

15:20-08:45

1 stop12h 25m

£724

DublinPhiladelphia

DUB - PHL

DUBPHL

Dublin

Wed 2/7

20:15-21:14

2 stops29h 59m

Philadelphia

Wed 16/7

09:30-19:00

3 stops28h 30m

£858

Flights are sorted by cheapest return flights first.

Deals found on 20/1

Showing 1-10 of 18 results

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.

Travel insights for flights from Ireland to Delaware

Get recent, data-driven insights about flights from Ireland to Delaware including ideal travel times, pricing trends, and more.

Rainfall in Delaware by month

In terms of precipitation, rainfall in Delaware ranges from 73.0 - 108.0 inches per month. July is typically the wettest month, when rainfall can reach 108.0 mm. February is typically the driest time to visit Delaware when rainfall is around 73.0 mm.

Temperature in Delaware by month

If weather is an important factor for your trip to Delaware, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 25.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 0.0 C).

Reviews of airlines servicing Delaware

Read through reviews of airlines operating flights from Ireland to Delaware, such as British Airways and United Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very Good

8,521 reviews

Check prices

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta

8.0

Very Good

8,521 reviews

Delta

8.0

Very Good

8,521 reviews

Check prices

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

KLM

7.8

Good

1,341 reviews

Delta

8.0

Very Good

8,521 reviews

Check prices

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Finnair

7.6

Good

1,286 reviews

Delta

8.0

Very Good

8,521 reviews

Check prices

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

United Airlines

7.4

Good

8,984 reviews

Delta

8.0

Very Good

8,521 reviews

Check prices

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Scandinavian Airlines

7.3

Good

1,320 reviews

Delta

8.0

Very Good

8,521 reviews

Check prices

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

What are the cheapest airlines to fly from Ireland to Delaware one-way?
The cheapest airline one-way is Finnair, with whom users have recently found tickets for as low as £411. However, be on the lookout for offers from British Airways and Delta, as they are both options that can get you from Ireland to Delaware for a low price.
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

Alternative routes for Ireland to Delaware

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Manchester to Orlando flights

Gatwick to Orlando flights

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Stansted to Miami flights

Gatwick to Boston flights

Gatwick to San Francisco flights

Luton to Stewart flights

London City to San Francisco flights

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Manchester to Newark flights

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Direct flights to United States

Fly with Cheapflights

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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Cheap flights from Ireland to Delaware from £349

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/5. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Ireland to Delaware

Round-trip from

Find flight deals from Ireland to Delaware

Cheapest flights from Ireland to DelawareExplore 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 22 January 2025.

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 22 January 2025.

Find flights from Ireland to Delaware within your budget

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.

Travel insights for flights from Ireland to Delaware

Get recent, data-driven insights about flights from Ireland to Delaware including ideal travel times, pricing trends, and more.

Rainfall in Delaware by month

Plan your trip to Delaware by taking into account the average rainfall totals by month.

Temperature in Delaware by month

Plan your trip to Delaware by taking into account the average temperature totals by month.

Reviews of airlines servicing Delaware

Read through reviews of airlines operating flights from Ireland to Delaware, such as British Airways and United Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

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.

What are the cheapest airlines to fly from Ireland to Delaware one-way?

Can I find deals for flights from Ireland to Delaware that include hotel bookings?

How can I find direct flights from Ireland to Delaware?

Can I find deals for business class flights from Ireland to Delaware?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ireland to Delaware

See prices for flight routes from nearby airports that may be better suited for you.

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?

Why should you use Cheapflights to find cheap flight tickets from Ireland to Delaware?

Can Cheapflights find flights from Ireland to Delaware with no change fees?

Can Cheapflights notify me if prices for flights from Ireland to Delaware become cheaper?

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Book with Flexibility

Travel Smart

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 22 January 2025.