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.

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).

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

To save up to 48% on this flight, we recommend booking at least 17 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from United Kingdom to Delaware from £480 1-2 weeks out and tickets from £768 for flights departing within the next 72 hours.

What is the cheapest month to fly from United Kingdom to Delaware?

Our data shows that February tends to be the cheapest month to fly to Delaware from United Kingdom. Users have commonly found prices around £545 for the month, but tickets can be as low as £387. Due to multiple factors, prepare for potentially higher prices in August.

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

When flying from United Kingdom 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 United Kingdom to Delaware that include hotel bookings?

Yes. In addition to deals on United Kingdom to Delaware flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from United Kingdom to Delaware?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from United Kingdom to Delaware.

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

Yes. Cheapflights offers flight deals from United Kingdom 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.

£285+ Flights from the United Kingdom to Delaware

Cheap flight deals from United Kingdom to Delaware

Round-trip from	£392
One-way from	£285
Popular in	August
Cheapest in	February
Average price	£674

Aer Lingus
10/9-8/10
2 total stops
38h 05m total
United Kingdom to Delaware

Search Deals

24/9
3 total stops
39h 10m total
United Kingdom to Delaware

Search Deals

Highest demand for flights based on searches. 6% potential increase in price (£30 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (£9 potential savings vs. average return price).

Search Deals

Average for round-trip flights in August 2025

Search Deals

Find flight deals from United Kingdom to Delaware

Cheapest flights from United Kingdom to Delaware
Explore the most affordable flight options available from United Kingdom to Delaware. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 August 2025.

Wed 10/920:15BHX - PHL

1 stop27h 45mAer Lingus

Wed 8/1020:30PHL - BHX

1 stop10h 20mAer Lingus

Deal found 15/8£392

Mon 22/907:50EDI - PHL

1 stop16h 10mMultiple Airlines

Mon 29/920:30PHL - EDI

1 stop12h 10mMultiple Airlines

Deal found 15/8£418

Tue 16/912:10EDI - PHL

1 stop14h 40mJetBlue

Thu 25/915:55PHL - EDI

1 stop13h 15mJetBlue

Deal found 15/8£443

Fri 3/1014:00LGW - PHL

1 stop15h 52mMultiple Airlines

Thu 16/1006:35PHL - LGW

2 stops18h 45mMultiple Airlines

Deal found 13/8£468

Wed 3/906:50LHR - PHL

2 stops20h 18mAir Canada

Mon 22/915:25PHL - LHR

1 stop13h 10mAir Canada

Deal found 14/8£470

Wed 17/914:00LGW - PHL

1 stop22h 35mMultiple Airlines

Mon 29/914:07PHL - LGW

2 stops35h 13mMultiple Airlines

Deal found 13/8£470

Wed 24/909:30LHR - PHL

1 stop11h 30mUnited Airlines

Sun 28/915:25PHL - LHR

1 stop13h 10mUnited Airlines

Deal found 15/8£471

Sat 27/910:00LGW - PHL

2 stops17h 29mMultiple Airlines

Sat 4/1014:15PHL - LGW

1 stop14h 45mMultiple Airlines

Deal found 13/8£471

Thu 27/1108:30LHR - PHL

1 stop12h 30mUnited Airlines

Thu 4/1220:05PHL - LHR

1 stop9h 45mUnited Airlines

Deal found 14/8£471

Thu 28/810:00LGW - PHL

1 stop28h 46mMultiple Airlines

Thu 4/905:15PHL - LGW

2 stops20h 05mMultiple Airlines

Deal found 13/8£472

Thu 11/906:50LHR - PHL

2 stops12h 48mMultiple Airlines

Thu 18/909:20PHL - LHR

1 stop19h 15mMultiple Airlines

Deal found 14/8£473

Tue 23/906:50LHR - PHL

2 stops14h 10mBrussels Airlines

Tue 14/1017:35PHL - LHR

2 stops18h 30mBrussels Airlines

Deal found 15/8£474

Best flights from United Kingdom to Delaware
Discover carefully curated flight deals from United Kingdom to Delaware that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 16 August 2025.

Wed 10/920:15BHX - PHL

1 stop27h 45mAer Lingus

Wed 8/1020:30PHL - BHX

1 stop10h 20mAer Lingus

Deal found 15/8£392

Mon 22/907:50EDI - PHL

1 stop16h 10mMultiple Airlines

Mon 29/920:30PHL - EDI

1 stop12h 10mMultiple Airlines

Deal found 15/8£418

Tue 23/912:10EDI - PHL

1 stop14h 40mJetBlue

Tue 30/918:10PHL - EDI

1 stop11h 00mJetBlue

Deal found 13/8£442

Wed 10/912:10EDI - PHL

1 stop31h 50mIcelandair

Wed 17/910:20PHL - EDI

1 stop18h 50mIcelandair

Deal found 13/8£459

Tue 18/1106:50LHR - PHL

2 stops12h 57mAir Canada

Thu 27/1115:30PHL - LHR

1 stop10h 40mAir Canada

Deal found 14/8£470

Fri 19/908:55LCY - PHL

1 stop12h 05mLufthansa

Wed 24/917:35PHL - LCY

1 stop17h 50mLufthansa

Deal found 15/8£491

Tue 16/1206:50LCY - PHL

1 stop12h 05mBritish Airways

Tue 23/1221:10PHL - LCY

1 stop10h 30mBritish Airways

Deal found 13/8£511

Wed 1/1008:40LCY - PHL

2 stops15h 41mVirgin Atlantic

Wed 22/1013:42PHL - LCY

2 stops12h 33mVirgin Atlantic

Deal found 15/8£516

Tue 23/909:25LCY - PHL

2 stops17h 06mSWISS

Tue 14/1017:35PHL - LCY

2 stops13h 55mSWISS

Deal found 15/8£526

Mon 29/905:50GLA - PHL

1 stop12h 15mFinnair

Mon 6/1019:10PHL - GLA

2 stops12h 40mFinnair

Deal found 14/8£562

Wed 10/906:00BHX - PHL

2 stops16h 50mDelta

Wed 17/913:35PHL - BHX

2 stops19h 05mDelta

Deal found 13/8£581

Thu 11/917:15EXT - PHL

2 stops28h 23mKLM

Mon 15/913:35PHL - EXT

2 stops22h 10mKLM

Deal found 14/8£700

Direct flights from United Kingdom to Delaware
Explore direct flight options from United Kingdom to Delaware based on user searches, and compare prices and availability for your desired travel dates. Data last updated 16 August 2025.

Mon 1/910:05LHR - PHL

Nonstop8h 05mMultiple Airlines

Tue 9/919:50PHL - LHR

Nonstop7h 15mMultiple Airlines

Deal found 14/8£483

Tue 18/1110:05LHR - PHL

Nonstop8h 05mBritish Airways

Thu 27/1119:45PHL - LHR

Nonstop7h 05mBritish Airways

Deal found 15/8£490

Tue 28/1010:15LHR - PHL

Nonstop8h 00mBritish Airways

Wed 12/1118:35PHL - LHR

Nonstop7h 00mBritish Airways

Deal found 15/8£491

Tue 7/1013:30LHR - PHL

Nonstop7h 55mBritish Airways

Tue 28/1019:35PHL - LHR

Nonstop7h 00mBritish Airways

Deal found 15/8£494

Wed 10/910:05LHR - PHL

Nonstop8h 00mFinnair

Wed 8/1019:50PHL - LHR

Nonstop7h 05mFinnair

Deal found 15/8£501

Wed 3/910:05LHR - PHL

Nonstop8h 00mBritish Airways

Wed 17/922:15PHL - LHR

Nonstop7h 05mBritish Airways

Deal found 14/8£502

Mon 1/910:05LHR - PHL

Nonstop8h 05mIberia

Tue 9/919:50PHL - LHR

Nonstop7h 15mIberia

Deal found 14/8£503

Wed 5/1113:10LHR - PHL

Nonstop8h 05mFinnair

Tue 11/1118:35PHL - LHR

Nonstop7h 00mFinnair

Deal found 15/8£504

Mon 1/912:30LHR - PHL

Nonstop8h 05mBritish Airways

Tue 9/919:50PHL - LHR

Nonstop7h 15mBritish Airways

Deal found 15/8£505

Wed 10/912:30LHR - PHL

Nonstop8h 00mBritish Airways

Wed 1/1022:15PHL - LHR

Nonstop7h 05mBritish Airways

Deal found 15/8£506

Mon 22/911:35EDI - PHL

Nonstop7h 20mIberia

Mon 29/919:20PHL - EDI

Nonstop6h 50mIberia

Deal found 15/8£535

Thu 11/911:35EDI - PHL

Nonstop7h 20mIberia

Mon 15/919:20PHL - EDI

Nonstop6h 50mIberia

Deal found 15/8£566

Last-minute flights from United Kingdom to Delaware
Discover last-minute flight deals from United Kingdom to Delaware. Data last updated 16 August 2025 and is based on user searches.

Fri 22/811:35EDI - PHL

Nonstop7h 30mIberia

Sun 7/919:20PHL - EDI

Nonstop6h 50mIberia

Deal found 15/8£606

Fri 22/812:10EDI - PHL

1 stop26h 30mJetBlue

Sun 7/907:00PHL - EDI

1 stop22h 10mJetBlue

Deal found 15/8£609

Fri 22/808:25LHR - PHL

1 stop13h 30mIcelandair

Sun 31/817:40PHL - LHR

1 stop31h 50mIcelandair

Deal found 15/8£618

Fri 22/811:35EDI - PHL

Nonstop7h 30mMultiple Airlines

Sun 7/918:30PHL - EDI

1 stop11h 00mMultiple Airlines

Deal found 15/8£619

Fri 22/811:20EDI - PHL

1 stop15h 04mDelta

Sun 7/910:41PHL - EDI

2 stops19h 04mDelta

Deal found 15/8£634

Fri 22/812:10LGW - PHL

1 stop26h 30mJetBlue

Fri 29/817:40PHL - LGW

1 stop10h 55mJetBlue

Deal found 15/8£699

Mon 25/812:10LGW - PHL

1 stop26h 30mJetBlue

Wed 3/918:40PHL - LGW

1 stop9h 55mJetBlue

Deal found 14/8£483

Mon 25/808:25LHR - PHL

1 stop13h 30mJetBlue

Wed 3/915:10PHL - LHR

1 stop10h 20mJetBlue

Deal found 14/8£505

Mon 25/811:30LHR - PHL

2 stops16h 37mVirgin Atlantic

Wed 3/911:35PHL - LHR

1 stop14h 10mVirgin Atlantic

Deal found 14/8£511

Mon 25/812:30LHR - PHL

Nonstop8h 05mMultiple Airlines

Wed 3/915:40PHL - LHR

1 stop11h 10mMultiple Airlines

Deal found 14/8£533

Mon 25/808:25LHR - PHL

1 stop30h 15mIcelandair

Sun 31/817:40PHL - LHR

1 stop31h 50mIcelandair

Deal found 15/8£561

Mon 25/814:00LGW - PHL

1 stop14h 29mMultiple Airlines

Wed 3/910:47PHL - LGW

3 stops19h 58mMultiple Airlines

Deal found 14/8£578

One-way flights from United Kingdom to Delaware
Search for one-way flight options from United Kingdom to Delaware. Find affordable one-way fares based on user searches. Data last updated 16 August 2025.

Wed 24/906:00EDI - PHL

3 stops39h 10mMultiple Airlines

Deal found 12/8£285

Wed 10/906:00EDI - PHL

2 stops34h 06mMultiple Airlines

Deal found 13/8£286

Mon 15/906:00EDI - PHL

2 stops36h 02mMultiple Airlines

Deal found 13/8£288

Tue 16/921:25EDI - PHL

2 stops39h 10mMultiple Airlines

Deal found 14/8£290

Fri 12/906:00EDI - PHL

2 stops36h 02mMultiple Airlines

Deal found 13/8£292

Tue 9/906:00EDI - PHL

2 stops37h 18mMultiple Airlines

Deal found 13/8£294

Thu 11/906:00EDI - PHL

2 stops23h 52mMultiple Airlines

Deal found 13/8£295

Tue 23/915:25BHX - PHL

3 stops46h 25mMultiple Airlines

Deal found 12/8£297

Wed 10/914:05MAN - PHL

3 stops39h 47mMultiple Airlines

Deal found 14/8£300

Fri 5/907:05GLA - PHL

2 stops22h 47mMultiple Airlines

Deal found 13/8£303

Wed 8/1017:45MAN - PHL

3 stops56h 12mMultiple Airlines

Deal found 15/8£303

Sat 13/1208:25MAN - PHL

3 stops33h 11mMultiple Airlines

Deal found 13/8£314

Cheapflights Fare Finder

Use the filters below to find and compare flights from the United Kingdom to Delaware that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BirminghamPhiladelphia

BHX - PHL

BHXPHL

Birmingham

Wed 10/9

20:15-19:00

1 stop27h 45m

Philadelphia

Wed 8/10

20:30-11:50

1 stop10h 20m

£392

EdinburghPhiladelphia

EDI - PHL

EDIPHL

Edinburgh Turnhouse

Mon 22/9

07:50-19:00

1 stop16h 10m

Philadelphia

Mon 29/9

20:30-13:40

1 stop12h 10m

£418

EdinburghPhiladelphia

EDI - PHL

EDIPHL

Edinburgh Turnhouse

Tue 23/9

12:10-21:50

1 stop14h 40m

Philadelphia

Tue 30/9

18:10-10:10

1 stop11h 00m

£442

EdinburghPhiladelphia

EDI - PHL

EDIPHL

Edinburgh Turnhouse

Tue 16/9

12:10-21:50

1 stop14h 40m

Philadelphia

Thu 25/9

15:55-10:10

1 stop13h 15m

£443

EdinburghPhiladelphia

EDI - PHL

EDIPHL

Edinburgh Turnhouse

Wed 10/9

12:10-15:00

1 stop31h 50m

Philadelphia

Wed 17/9

10:20-10:10

1 stop18h 50m

£459

LondonPhiladelphia

LGW - PHL

LGWPHL

London Gatwick

Fri 3/10

14:00-00:52

1 stop15h 52m

Philadelphia

Thu 16/10

06:35-06:20

2 stops18h 45m

£468

LondonPhiladelphia

LHR - PHL

LHRPHL

London Heathrow

Thu 9/10

08:25-17:45

1 stop14h 20m

Philadelphia

Wed 15/10

15:10-06:30

1 stop10h 20m

£469

LondonPhiladelphia

LHR - PHL

LHRPHL

London Heathrow

Sun 5/10

08:25-15:40

1 stop12h 15m

Philadelphia

Wed 15/10

15:10-06:30

1 stop10h 20m

£469

LondonPhiladelphia

LHR - PHL

LHRPHL

London Heathrow

Tue 18/11

06:50-14:47

2 stops12h 57m

Philadelphia

Thu 27/11

15:30-07:10

1 stop10h 40m

£470

LondonPhiladelphia

LHR - PHL

LHRPHL

London Heathrow

Wed 3/9

06:50-22:08

2 stops20h 18m

Philadelphia

Mon 22/9

15:25-09:35

1 stop13h 10m

£470

Flights are sorted by cheapest return flights first.

Deals found on 12/8

Showing 1-10 of 60 results

...

Best time to book a flight from United Kingdom to Delaware

Have a flexible travel schedule? Discover the best time to fly to Delaware from United Kingdom 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.

Cheapflights Insights

Everything you need to know about your flight from the United Kingdom to Delaware

No data available for this route at this time. Please check back soon.

Related info for your journey

Can I find deals for flights from United Kingdom to Delaware that include hotel bookings?
Yes. In addition to deals on United Kingdom to Delaware flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from United Kingdom to Delaware?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from United Kingdom to Delaware.
Can I find deals for business class flights from United Kingdom to Delaware?
Yes. Cheapflights offers flight deals from United Kingdom 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.

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for United Kingdom to Delaware

Heathrow to John F Kennedy Intl flights

Heathrow to Newark flights

Gatwick to Newark flights

London City to John F Kennedy Intl flights

Heathrow to LaGuardia flights

Gatwick to LaGuardia flights

Gatwick to John F Kennedy Intl flights

Stansted to John F Kennedy Intl flights

London City to Newark flights

Luton to John F Kennedy Intl flights

Stansted to Newark flights

Luton to Newark flights

Heathrow to Orlando flights

London City to LaGuardia flights

Heathrow to Los Angeles flights

Heathrow to Boston flights

Heathrow to Miami flights

Heathrow to Dallas/Fort Worth flights

Heathrow to Las Vegas flights

Heathrow to O'Hare Intl flights

Manchester to John F Kennedy Intl flights

Heathrow to San Francisco flights

Heathrow to Baltimore flights

Gatwick to Boston flights

Gatwick to Orlando flights

Luton to LaGuardia flights

Heathrow to Dulles Intl flights

Heathrow to Seattle flights

Manchester to Orlando flights

London City to Orlando flights

London City to Los Angeles flights

Gatwick to Miami flights

Heathrow to Hobby flights

London City to Boston flights

London City to Miami flights

Gatwick to Los Angeles flights

Heathrow to Tampa flights

Manchester to Newark flights

Gatwick to O'Hare Intl flights

Gatwick to Baltimore flights

Gatwick to Las Vegas flights

Stansted to LaGuardia flights

Manchester to LaGuardia flights

Gatwick to San Francisco flights

Heathrow to George Bush Intcntl flights

Heathrow to Atlanta flights

Gatwick to Dallas/Fort Worth flights

Luton to Los Angeles flights

London City to O'Hare Intl flights

Heathrow to Midway flights

Direct flights to United States

Find a return flight route from Delaware

Philadelphia to Heathrow flights

Philadelphia to Gatwick flights

Philadelphia to Stansted flights

Philadelphia to Edinburgh flights

Philadelphia to Luton flights

Philadelphia to Manchester flights

Philadelphia to Glasgow Intl flights

Philadelphia to Belfast City flights

Philadelphia to Leeds flights

Philadelphia to Inverness flights

Philadelphia to Newcastle upon Tyne flights

Philadelphia to Liverpool flights

Philadelphia to Birmingham flights

Philadelphia to Bristol flights

Philadelphia to Aberdeen flights

Philadelphia to East Midlands flights

Philadelphia to Cardiff flights

Philadelphia to Newquay flights

United Kingdom to Delaware flights

Heathrow to Philadelphia flights

Gatwick to Philadelphia flights

London City to Philadelphia flights

Stansted to Philadelphia flights

Luton to Philadelphia flights

Manchester to Philadelphia flights

Edinburgh to Philadelphia flights

Birmingham to Philadelphia flights

Glasgow Intl to Philadelphia flights

Exeter to Philadelphia flights

Newcastle upon Tyne to Philadelphia flights

Leeds to Philadelphia flights

Bristol to Philadelphia flights

Inverness to Philadelphia flights

Doncaster to Philadelphia flights

Newquay to Philadelphia flights

Cardiff to Philadelphia flights

Manchester to Salisbury flights

Fly with Cheapflights

How does Cheapflights help users find flights from United Kingdom 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 United Kingdom today with Cheapflights!

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from United Kingdom to Delaware.

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

Need flexible booking options for your flight to Delaware from United Kingdom? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Yes! Start tracking prices for United Kingdom to Delaware flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from the United Kingdom to Delaware from £285

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 24/9. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from United Kingdom to Delaware

Keep the following information in mind while searching for United Kingdom to Delaware flight deals. Data was last updated 16 August 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from United Kingdom to Delaware

Cheapest flights from United Kingdom to DelawareExplore the most affordable flight options available from United Kingdom to Delaware. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 August 2025.

Explore the most affordable flight options available from United Kingdom to Delaware. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 August 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from the United Kingdom to Delaware that are best for you.

Best time to book a flight from United Kingdom to Delaware

Have a flexible travel schedule? Discover the best time to fly to Delaware from United Kingdom with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from the United Kingdom to Delaware

Related info for your journey

Find useful and relevant information for your journey from United Kingdom to Delaware. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

How can I find direct flights from United Kingdom to Delaware?

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

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

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

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

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from United Kingdom to Delaware
Explore the most affordable flight options available from United Kingdom to Delaware. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 August 2025.