Cheap flights to Delaware

View €354 flight on Wed, 6 May 2026Opens in a new window

Popular airlines to Delaware

  • American Airlines

    American Airlines

  • notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
  • deals illustration

    Book smarter

    Save up to 15% on select hotels after you book a flight*
  • trophy illustration

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap round-trip flights to Delaware

Prices were available within the past 7 days and start at €354 for one-way flights and €405 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Wed, 11 Mar - Sat, 21 Mar
DUB
Dublin
PHL
Philadelphia
€405 Return, found 5 hours ago
€405
Return
found 5 hours ago
Select American Airlines flight, departing Wed, 11 Mar from Dublin to Philadelphia, returning Sat, 21 Mar, priced at €405 found 5 hours ago
British Airways
Thu, 22 Jan - Wed, 28 Jan
DUB
Dublin
PHL
Philadelphia
€408 Return, found 1 hour ago
€408
Return
found 1 hour ago
Select British Airways flight, departing Thu, 22 Jan from Dublin to Philadelphia, returning Wed, 28 Jan, priced at €408 found 1 hour ago
Aer Lingus
Wed, 11 Mar - Sat, 21 Mar
DUB
Dublin
PHL
Philadelphia
€424 Return, found 5 hours ago
€424
Return
found 5 hours ago
Select Aer Lingus flight, departing Wed, 11 Mar from Dublin to Philadelphia, returning Sat, 21 Mar, priced at €424 found 5 hours ago
Iberia
Mon, 26 Jan - Mon, 2 Feb
DUB
Dublin
PHL
Philadelphia
€424 Return, just found
€424
Return
just found
Select Iberia flight, departing Mon, 26 Jan from Dublin to Philadelphia, returning Mon, 2 Feb, priced at €424 just found
KLM
Sat, 7 Mar - Tue, 10 Mar
DUB
Dublin
PHL
Philadelphia
€435 Return, found 1 day ago
€435
Return
found 1 day ago
Select KLM flight, departing Sat, 7 Mar from Dublin to Philadelphia, returning Tue, 10 Mar, priced at €435 found 1 day ago
Air France
Fri, 13 Mar - Thu, 19 Mar
DUB
Dublin
PHL
Philadelphia
€441 Return, found 1 day ago
€441
Return
found 1 day ago
Select Air France flight, departing Fri, 13 Mar from Dublin to Philadelphia, returning Thu, 19 Mar, priced at €441 found 1 day ago
JetBlue Airways
Thu, 23 Apr - Mon, 4 May
DUB
Dublin
PHL
Philadelphia
€454 Return, found 1 day ago
€454
Return
found 1 day ago
Select JetBlue Airways flight, departing Thu, 23 Apr from Dublin to Philadelphia, returning Mon, 4 May, priced at €454 found 1 day ago
Delta
Thu, 19 Feb - Tue, 24 Feb
DUB
Dublin
PHL
Philadelphia
€539 Return, found 20 hours ago
€539
Return
found 20 hours ago
Select Delta flight, departing Thu, 19 Feb from Dublin to Philadelphia, returning Tue, 24 Feb, priced at €539 found 20 hours ago
United
Mon, 26 Jan - Mon, 2 Feb
DUB
Dublin
PHL
Philadelphia
€550 Return, just found
€550
Return
just found
Select United flight, departing Mon, 26 Jan from Dublin to Philadelphia, returning Mon, 2 Feb, priced at €550 just found
Air Canada
Fri, 13 Feb - Sat, 21 Feb
DUB
Dublin
PHL
Philadelphia
€555 Return, found 12 hours ago
€555
Return
found 12 hours ago
Select Air Canada flight, departing Fri, 13 Feb from Dublin to Philadelphia, returning Sat, 21 Feb, priced at €555 found 12 hours ago

About Delaware

Expedia offers flights to Delaware to meet every traveller's needs. Whatever your flight need - Expedia has the flight for you. So choose from flights to Delaware or destinations around the world and discover how easy it is to make your flight reservations on Expedia.

Frequently asked questions

How do I find cheap flights to Delaware that have flexible change policies?
It's as easy as counting to three with Expedia. Firstly, enter your preferred travel dates and press "Search." Next, check "No change fee" underneath the "Flexible change policies" filter to the left of the screen. Step 3. Snag your cheap and flexible fare to Delaware.
Which airlines fly to Delaware?
Let Avelo Airlines fly you there. This top carrier lists 34 services a month to Wilmington, DE (ILG-New Castle), a Delaware gateway.
How can I find cheap tickets to Delaware?
An effective strategy for finding cheap airfares is to be flexible with your travel dates. Begin with searching for your flight to Delaware, then click on the "flexible dates" box for a list of prices for nearby days. Another handy tip? Book ahead of time. For an idea of fares, €405 was the lowest price for a flight to Delaware in the last seven days.
How much is a flight to Delaware?
One-way flights departing from Dublin (DUB) sold for as little as €354 in the last seven days. During this time, the price of a return journey to Delaware ranged between €405 and €555. If you find a fantastic deal, grab it quickly — these fares don't hang around.
What are the most popular airports to fly into in Delaware?
Fly into Wilmington, DE (ILG-New Castle) and sample all that Delaware has to offer. As the region's primary entry point, about 34 flights touch down here every month.
How much is a plane ticket to Delaware?
In the last seven days, tickets cost between €405 and €555. Scroll through our sensational deals to Delaware, make a booking and then start packing!
What is the best time to go to Delaware?
Summer begins June 20 in the Northern Hemisphere, and these warmer months are a fantastic time to tour the top Delaware city of Wilmington. Average temperatures range between 18ºC and 27ºC at this time of year. The biggest crowds flock here in May, June and July.
What months are the cheapest to book a flight to Delaware?
To grab a fabulous deal to Delaware, try to book sometime in February when the price of tickets are at their cheapest. When's the most expensive time? In the U.S, it's the festive month of December.

Trending flights to Delaware

These prices were available within the past 7 days. Prices quoted are per person, return, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Wed, 11 Mar - Sat, 21 Mar
DUB
Dublin
PHL
Philadelphia
€405 Return, found 5 hours ago
€405
Return
found 5 hours ago
Select American Airlines flight, departing Wed, 11 Mar from Dublin to Philadelphia, returning Sat, 21 Mar, priced at €405 found 5 hours ago
*Available to Expedia members.