£325 Cheap Flights to Delaware County

View £325 flight on Tue, 5 May 2026Opens in a new window

Popular airlines to Delaware County

  • Frontier Airlines

  • American Airlines

  • Delta

  • United

  • Spirit Airlines

  • JetBlue Airways

  • Southwest Airlines

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 25% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap round-trip flights to Delaware County

Prices were available within the past 7 days and start at £325 for one-way flights and £446 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

JetBlue Airways
Wed, 4 Mar - Wed, 18 Mar
LHR
London
PHL
Philadelphia
£446 Return, found 1 hour ago
£446
Return
found 1 hour ago
Select JetBlue Airways flight, departing Wed, 4 Mar from London to Philadelphia, returning Wed, 18 Mar, priced at £446 found 1 hour ago
JetBlue Airways
Mon, 1 Jun - Tue, 9 Jun
LGW
London
PHL
Philadelphia
£514 Return, found 22 hours ago
£514
Return
found 22 hours ago
Select JetBlue Airways flight, departing Mon, 1 Jun from London to Philadelphia, returning Tue, 9 Jun, priced at £514 found 22 hours ago
British Airways
Wed, 2 Sept - Wed, 9 Sept
LHR
London
PHL
Philadelphia
£523 Return, found 5 days ago
£523
Return
found 5 days ago
Select British Airways flight, departing Wed, 2 Sept from London to Philadelphia, returning Wed, 9 Sept, priced at £523 found 5 days ago
American Airlines
Tue, 31 Mar - Mon, 20 Apr
LHR
London
PHL
Philadelphia
£524 Return, found 13 hours ago
£524
Return
found 13 hours ago
Select American Airlines flight, departing Tue, 31 Mar from London to Philadelphia, returning Mon, 20 Apr, priced at £524 found 13 hours ago
Aer Lingus
Mon, 14 Sept - Mon, 28 Sept
LHR
London
PHL
Philadelphia
£525 Return, found 13 hours ago
£525
Return
found 13 hours ago
Select Aer Lingus flight, departing Mon, 14 Sept from London to Philadelphia, returning Mon, 28 Sept, priced at £525 found 13 hours ago
Lufthansa
Wed, 29 Apr - Wed, 6 May
LHR
London
PHL
Philadelphia
£540 Return, just found
£540
Return
just found
Select Lufthansa flight, departing Wed, 29 Apr from London to Philadelphia, returning Wed, 6 May, priced at £540 just found
Swiss International Air Lines
Mon, 31 Aug - Wed, 16 Sept
LGW
London
PHL
Philadelphia
£541 Return, found 1 hour ago
£541
Return
found 1 hour ago
Select Swiss International Air Lines flight, departing Mon, 31 Aug from London to Philadelphia, returning Wed, 16 Sept, priced at £541 found 1 hour ago
British Airways
Mon, 13 Apr - Wed, 29 Apr
LCY
London
PHL
Philadelphia
£549 Return, found 3 days ago
£549
Return
found 3 days ago
Select British Airways flight, departing Mon, 13 Apr from London to Philadelphia, returning Wed, 29 Apr, priced at £549 found 3 days ago
American Airlines
Wed, 29 Apr - Mon, 11 May
LHR
London
PHL
Philadelphia
£558 Return, found 2 hours ago
£558
Return
found 2 hours ago
Select American Airlines flight, departing Wed, 29 Apr from London to Philadelphia, returning Mon, 11 May, priced at £558 found 2 hours ago
Iberia
Tue, 15 Sept - Tue, 22 Sept
LHR
London
PHL
Philadelphia
£559 Return, found 1 hour ago
£559
Return
found 1 hour ago
Select Iberia flight, departing Tue, 15 Sept from London to Philadelphia, returning Tue, 22 Sept, priced at £559 found 1 hour ago

The Annual Holiday Sale

Members save up to 40% on hotels and holiday homes. Plan this year’s big trip and save.
Book now

Airports in Delaware County

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Philadelphia Intl. PHL. Cheapest option available. Flights from £20,781
PHL
Philadelphia Intl.
Cheapest
Flights from £20,781

Trending flights to Delaware County

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.

JetBlue Airways
Wed, 4 Mar - Wed, 18 Mar
LHR
London
PHL
Philadelphia
£446 Return, found 1 hour ago
£446
Return
found 1 hour ago
Select JetBlue Airways flight, departing Wed, 4 Mar from London to Philadelphia, returning Wed, 18 Mar, priced at £446 found 1 hour ago

Frequently asked questions

How do I find cheap flights to Delaware County that have flexible change policies?
By using our convenient "No change fee" filter, that's how. Just enter your preferred dates and destination, click the "Search" button, then mark the checkbox directly under the "Flexible change policies" subheading (it's on the top left of your screen). Expedia makes it a snap to find affordable, flexible fares to Delaware County.
Which airlines fly to Delaware County?
Settle on your holiday dates and then fly into or near Delaware County with one of these leading airlines:

  • American Airlines - 6,663 flights to or near Delaware County each month, including 6,663 flights to Philadelphia Intl. Airport (PHL) per month.
  • Frontier Airlines - 793 flights to or near Delaware County each month, including 793 flights to Philadelphia Intl. Airport (PHL) per month.
  • Delta Air Lines - 567 flights to or near Delaware County each month, including 567 flights to Philadelphia Intl. Airport (PHL) per month.

How can I find cheap tickets to Delaware County?
Start searching as early as possible, consider nearby airports, use miles or points — there are plenty of ways! One more is to take advantage of Expedia's "flexible dates" feature. Find a Delaware County flight, then check out the cheapest prices for nearby dates. In the last seven days, the lowest price for a flight to Delaware County was £446.
How much is a flight to Delaware County?
The cost of a round-trip ticket to Delaware County in the last seven days fluctuated between £446 and £559. If you were heading one way from London (LHR), you could have picked up a cheap seat from just £325.
What are the most popular airports to fly into in Delaware County?
Delaware County's main entryway is Philadelphia Intl. Airport (PHL). Get your next thrilling journey underway by reserving a seat on one of the 9,429 flights every month to this destination.
When is the cheapest time to fly to Delaware County?
Taking off on a Tuesday, followed by a Monday, is generally the best way to nab the cheapest airfare. Steer clear of weekends if possible, because Saturday is typically the most expensive day of the week. Spend the funds you saved having a ball in Delaware County instead!
How much is a plane ticket to Delaware County?
In the last seven days, fares to Delaware County ranged between £446 and £559. Prices rise as your travel date nears, so snap up a bargain today.
What is the best time to go to Delaware County?
A great time to travel to Chadds Ford is after June 20 when the summer season begins. In Delaware County's busiest city, temperatures range from 18ºC to 27ºC during this time — beautiful weather for seeing the sights! May, August and October are the most popular months to travel to this hot spot.
What months are the cheapest to book a flight to Delaware County?
Reserve your ticket in February to unlock bargain flight deals to Delaware County. December is typically the most expensive time to buy an airfare.

Book with confidence

Top tips for booking flights to Delaware County from UK

Get ready to fly to Delaware County

Prepare your luggage and book your flights to Delaware County with Expedia. We offer a seamless flight booking experience, with a wide range of Delaware County plane tickets to choose from. If you need help finding some of the best deals for cheap flights to Delaware County in 2026, we are always available to assist you. Book your flights to Delaware County today and let the adventure begin!

Find the best tickets to Delaware County

To find some of the best tickets to Delaware County in 2026, 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 County or last-minute flights to Delaware County, you can filter and sort your search results, making it easy to find the ideal flight to Delaware County.

Airlines fly to Delaware County

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

Find the cheapest flights to Delaware County

By booking early you may find some of the best deals for Delaware County flights from the UK, including Delaware County direct flights. You can usually find affordable and cheap flights to Delaware County, whether one-way from £325 or round-trip from £446, with Expedia if you book your trip far enough in advance.

Find the best airports for cheap flights to Delaware County

Try searching for different Delaware County airports with Expedia to find some of the cheapest flights to Delaware County. Flights from London (LHR) to Philadelphia (PHL) usually have the lowest price from £325.

Why book your flights to Delaware County with Expedia

Expedia offers great deals on Delaware County air fares from £325 to cater to every budget. Not only is Expedia one of the top platforms to book flights to Delaware County 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.

Top tips for booking flights to Delaware County from UK

Travel information

Delaware County Flights Information

Airlines serving
JetBlue Airways, Aer Lingus, British Airways, American Airlines, Swiss International Air Lines, Lufthansa, Brussels Airlines, Iberia
Roundtrip price
from £446
Delaware County Flights Information

Explore a world of travel with Expedia

*Available to Expedia members.