£512 Cheap Flights to Delaware

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Top Cities to Visit in Delaware

Wilmington which includes heritage elements
FlightsFlights

Wilmington

Wilmington

Cheap round-trip flights to Delaware

Prices were available within the past 7 days and start at £512 for one-way flights and £440 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Tue, 2 Sep - Mon, 22 Sep
LHR
London
PHL
Philadelphia
£440 Return, found 2 days ago
£440
Return
found 2 days ago
Select American Airlines flight, departing Tue, 2 Sep from London to Philadelphia, returning Mon, 22 Sep, priced at £440 found 2 days ago
JetBlue Airways
Wed, 14 Jan - Wed, 21 Jan
LHR
London
PHL
Philadelphia
£444 Return, found 1 hour ago
£444
Return
found 1 hour ago
Select JetBlue Airways flight, departing Wed, 14 Jan from London to Philadelphia, returning Wed, 21 Jan, priced at £444 found 1 hour ago
Lufthansa
Thu, 18 Sep - Sun, 21 Sep
LHR
London
PHL
Philadelphia
£474 Return, found 10 hours ago
£474
Return
found 10 hours ago
Select Lufthansa flight, departing Thu, 18 Sep from London to Philadelphia, returning Sun, 21 Sep, priced at £474 found 10 hours ago
British Airways
Mon, 12 May - Mon, 19 May
LHR
London
PHL
Philadelphia
£475 Return, found 8 hours ago
£475
Return
found 8 hours ago
Select British Airways flight, departing Mon, 12 May from London to Philadelphia, returning Mon, 19 May, priced at £475 found 8 hours ago
United
Wed, 14 May - Wed, 21 May
LHR
London
PHL
Philadelphia
£485 Return, found 5 hours ago
£485
Return
found 5 hours ago
Select United flight, departing Wed, 14 May from London to Philadelphia, returning Wed, 21 May, priced at £485 found 5 hours ago
Air Canada
Wed, 14 May - Wed, 21 May
LHR
London
PHL
Philadelphia
£490 Return, found 5 hours ago
£490
Return
found 5 hours ago
Select Air Canada flight, departing Wed, 14 May from London to Philadelphia, returning Wed, 21 May, priced at £490 found 5 hours ago
Iberia
Tue, 2 Sep - Thu, 18 Sep
LHR
London
PHL
Philadelphia
£496 Return, found 5 days ago
£496
Return
found 5 days ago
Select Iberia flight, departing Tue, 2 Sep from London to Philadelphia, returning Thu, 18 Sep, priced at £496 found 5 days ago
British Airways
Wed, 10 Sep - Wed, 17 Sep
LHR
London
PHL
Philadelphia
£497 Return, found 9 hours ago
£497
Return
found 9 hours ago
Select British Airways flight, departing Wed, 10 Sep from London to Philadelphia, returning Wed, 17 Sep, priced at £497 found 9 hours ago
Brussels Airlines
Tue, 9 Sep - Tue, 16 Sep
LHR
London
PHL
Philadelphia
£502 Return, found 1 day ago
£502
Return
found 1 day ago
Select Brussels Airlines flight, departing Tue, 9 Sep from London to Philadelphia, returning Tue, 16 Sep, priced at £502 found 1 day ago
Air France
Tue, 2 Sep - Mon, 22 Sep
LHR
London
PHL
Philadelphia
£503 Return, found 2 days ago
£503
Return
found 2 days ago
Select Air France flight, departing Tue, 2 Sep from London to Philadelphia, returning Mon, 22 Sep, priced at £503 found 2 days ago

Top tips for booking flights to Delaware from UK

Get ready to fly to Delaware

Prepare your luggage and book your flights to Delaware with Expedia. We offer a seamless flight booking experience, with a wide range of Delaware plane tickets to choose from. If you need help finding some of the best deals for cheap flights to Delaware in 2025, we are always available to assist you. Book your flights to Delaware today and let the adventure begin!

Find the best tickets to Delaware

To find some of the best tickets to Delaware in 2025, use Expedia's powerful search engine to compare dates and the different departure and arrival airports for your trip. Whether you're after direct flights to Delaware or last-minute flights to Delaware, you can filter and sort your search results, making it easy to find the ideal flight to Delaware.

Airlines fly to Delaware

There are 20 different airlines that fly to Delaware including some of the most trusted names in the business. To book flights to Delaware with your favourite airline, take a look at Expedia's flight listings and try out different dates to find some of the best Delaware plane tickets.

Find the cheapest flights to Delaware

By booking early you may find some of the best deals for Delaware flights from the UK, including Delaware direct flights. You can usually find affordable and cheap flights to Delaware, whether one-way from £512 or round-trip from £440, with Expedia if you book your trip far enough in advance.

Find the best airports for cheap flights to Delaware

Try searching for different Delaware airports with Expedia to find some of the cheapest flights to Delaware. Flights from London (LHR) to Philadelphia (PHL) usually have the lowest price from £512.

Why book your flights to Delaware with Expedia

Expedia offers great deals on Delaware air fares from £512 to cater to every budget. Not only is Expedia one of the top platforms to book flights to Delaware from the UK, it is also your one-stop shop for booking hotels, car rentals, and more.

 

*Prices and availability are subject to change. Additional terms apply.

Delaware Flights Information

Airlines serving
JetBlue Airways, TAP Portugal, Aer Lingus, British Airways, American Airlines, Iberia, Air France, Finnair, Virgin Atlantic, Lufthansa, United, Air Canada, Brussels Airlines
Roundtrip price
from £440

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, £440 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 London (LHR) sold for as little as £512 in the last seven days. During this time, the price of a return journey to Delaware ranged between £440 and £512. 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.
When is the cheapest time to fly to Delaware?
Leave for Delaware early in the week and you’ll usually be rewarded with lower-priced fares. Tuesday is generally the cheapest day to jet off, followed closely by Monday. If you’re hoping to avoid the most expensive flights, give Saturdays a wide berth.
How much is a plane ticket to Delaware?
In the last seven days, tickets cost between £440 and £512. 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
Tue, 2 Sep - Mon, 22 Sep
LHR
London
PHL
Philadelphia
£440 Return, found 2 days ago
£440
Return
found 2 days ago
Select American Airlines flight, departing Tue, 2 Sep from London to Philadelphia, returning Mon, 22 Sep, priced at £440 found 2 days ago
*Available to Expedia members.