What is the cheapest airline that flies from United Kingdom to Delaware?

JetBlue, British Airways, and Delta are the most popular carriers operating from United Kingdom to Delaware

How many flights depart from United Kingdom to Delaware on average per week?

As of March 2026, 60 flights take off from United Kingdom and land in Delaware each week. The most common flight departure day for this route is Mon, with 17% of weekly flights taking off on this day.

When did momondo last update prices for flights from United Kingdom to Delaware?

Prices for flights from United Kingdom to Delaware are updated daily.

How many operators does momondo search for flights from United Kingdom to Delaware?

There are 11 operators available for flights from United Kingdom to Delaware as of March 2026.

How old do you have to be to fly from United Kingdom to Delaware?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from United Kingdom to Delaware.

What documentation or ID do you need to fly to Delaware?

The travel and health documents required for your trip to Delaware can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Delaware. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

£222 Cheap Flights from the United Kingdom to Delaware in 2026

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Find the cheapest flights from the United Kingdom to Delaware

Round-trip

One-way

Last minute

Direct

Recent return flight deals from the United Kingdom to Delaware

Enter your travel dates to find the best prices.

11:30 - 17:38

EDI

PHL

11h 08m

1 stop

19:45 - 10:00

PHL

EDI

9h 15m

1 stop

£360JetBlue

Tue, 5 May - Tue, 2 Jun

12:00 - 18:55

BHX

PHL

11h 55m

1 stop

20:25 - 12:20

PHL

BHX

10h 55m

1 stop

£426Multiple Airlines

Thu, 16 Apr - Thu, 23 Apr

11:30 - 18:55

MAN

PHL

12h 25m

1 stop

20:25 - 11:20

PHL

MAN

9h 55m

1 stop

£426Multiple Airlines

Wed, 15 Apr - Wed, 22 Apr

13:05 - 18:55

MAN

PHL

10h 50m

1 stop

20:25 - 11:05

PHL

MAN

9h 40m

1 stop

£429Multiple Airlines

Tue, 31 Mar - Tue, 7 Apr

08:45 - 18:55

LBA

PHL

15h 10m

1 stop

20:25 - 19:10

PHL

LBA

17h 45m

1 stop

£458Aer Lingus

Thu, 16 Apr - Thu, 23 Apr

12:15 - 18:55

LHR

PHL

11h 40m

1 stop

19:45 - 10:40

PHL

LHR

9h 55m

1 stop

£465United Airlines

Sat, 13 Jun - Wed, 17 Jun

08:30 - 16:05

LHR

PHL

12h 35m

1 stop

17:40 - 18:40

PHL

LHR

20h 00m

1 stop

£467Lufthansa

Fri, 15 May - Thu, 21 May

11:35 - 18:55

MAN

PHL

12h 20m

1 stop

20:25 - 20:25

PHL

MAN

19h 00m

1 stop

£468Aer Lingus

Mon, 13 Apr - Sun, 19 Apr

14:05 - 21:33

LHR

PHL

12h 28m

1 stop

15:25 - 10:00

PHL

LHR

13h 35m

1 stop

£477Air Canada

Sat, 9 May - Sat, 30 May

09:15 - 16:05

LCY

PHL

11h 50m

1 stop

17:40 - 17:55

PHL

LCY

19h 15m

1 stop

£486Lufthansa

Fri, 15 May - Thu, 21 May

American Airlines flights from United Kingdom to Delaware

Our best American Airlines deals on United Kingdom to Delaware flight tickets

American Airlines

15 Apr

LHR09:15London Heathrow

7h 55m

PHL12:10Philadelphia

22 Apr

PHL13:42Philadelphia

11h 33m

1 stop

LHR06:15London Heathrow

£507

American Airlines

11 May

LHR10:30London Heathrow

13h 06m

2 stops

PHL18:36Philadelphia

20 May

PHL13:42Philadelphia

15h 33m

1 stop

LHR10:15London Heathrow

£510

American Airlines

13 Apr

LHR09:45London Heathrow

27h 22m

1 stop

PHL08:07Philadelphia

21 Apr

PHL10:25Philadelphia

18h 15m

1 stop

LHR09:40London Heathrow

£517

SWISS flights from United Kingdom to Delaware

Our best SWISS deals on United Kingdom to Delaware flight tickets

SWISS

15 Apr

LGW18:35London Gatwick

26h 30m

2 stops

PHL16:05Philadelphia

22 Apr

PHL11:36Philadelphia

25h 19m

2 stops

LGW17:55London Gatwick

£551

SWISS

15 Mar

LCY19:20London City

49h 45m

2 stops

PHL17:05Philadelphia

30 Mar

PHL11:36Philadelphia

19h 59m

2 stops

LCY12:35London City

£605

SWISS

15 Mar

LCY19:20London City

49h 45m

2 stops

PHL17:05Philadelphia

1 Apr

PHL11:36Philadelphia

19h 59m

2 stops

LCY12:35London City

£620

Fly from

Fly to

Route

Depart

Return

Price

EdinburghPhiladelphia

EDI - PHL

EDIPHL

Edinburgh Turnhouse

Tue 5/5

11:30-17:38

1 stop11h 08m

Philadelphia

Tue 2/6

19:45-10:00

1 stop9h 15m

£360

BirminghamPhiladelphia

BHX - PHL

BHXPHL

Birmingham

Thu 16/4

12:00-18:55

1 stop11h 55m

Philadelphia

Thu 23/4

20:25-12:20

1 stop10h 55m

£426

ManchesterPhiladelphia

MAN - PHL

MANPHL

Manchester

Wed 15/4

11:30-18:55

1 stop12h 25m

Philadelphia

Wed 22/4

20:25-11:20

1 stop9h 55m

£426

ManchesterPhiladelphia

MAN - PHL

MANPHL

Manchester

Tue 31/3

13:05-18:55

1 stop10h 50m

Philadelphia

Tue 7/4

20:25-11:05

1 stop9h 40m

£429

LeedsPhiladelphia

LBA - PHL

LBAPHL

Leeds/Bradford

Thu 16/4

08:45-18:55

1 stop15h 10m

Philadelphia

Thu 23/4

20:25-19:10

1 stop17h 45m

£458

LondonPhiladelphia

LHR - PHL

LHRPHL

London Heathrow

Sat 13/6

12:15-18:55

1 stop11h 40m

Philadelphia

Wed 17/6

19:45-10:40

1 stop9h 55m

£465

LondonPhiladelphia

LHR - PHL

LHRPHL

London Heathrow

Fri 15/5

08:30-16:05

1 stop12h 35m

Philadelphia

Thu 21/5

17:40-18:40

1 stop20h 00m

£467

ManchesterPhiladelphia

MAN - PHL

MANPHL

Manchester

Mon 13/4

11:35-18:55

1 stop12h 20m

Philadelphia

Sun 19/4

20:25-20:25

1 stop19h 00m

£468

LondonPhiladelphia

LHR - PHL

LHRPHL

London Heathrow

Sat 9/5

14:05-21:33

1 stop12h 28m

Philadelphia

Sat 30/5

15:25-10:00

1 stop13h 35m

£477

LondonPhiladelphia

LCY - PHL

LCYPHL

London City

Fri 15/5

09:15-16:05

1 stop11h 50m

Philadelphia

Thu 21/5

17:40-17:55

1 stop19h 15m

£486

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from United Kingdom to Delaware

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Delaware?

In general, September is the cheapest month to fly from United Kingdom to Delaware. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £504. If you’re not able to fly to Delaware in September, then May is your next best option. Flight prices from United Kingdom to Delaware during May average around £533.

What is the cheapest day to depart on your flight to Delaware?

On average, the least expensive day to fly to Delaware from United Kingdom is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as £606. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from United Kingdom to Delaware for around £674.

What is the cheapest time of day to depart on your flight to Delaware?

Our most recent data shows that the best time of day to fly to Delaware is in the morning. Flights from United Kingdom to Delaware during this time can be as low as £627. In contrast, the most expensive time of day to depart to Delaware is at midday when prices are around £630.

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

You are more likely to see cheaper flights to Delaware from United Kingdom when booking weeks ahead of your departure date. In general, you can expect to find flights to Delaware for around £580 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Delaware from United Kingdom for as low as £515 on momondo.

Cheap United Kingdom to Delaware flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from United Kingdom to Delaware

Fastest flight time	7h 15m
Direct flights	Mon, Tue, Wed, Thu, Fri and Sat
Airports in Delaware	17 airports

The fastest flight from United Kingdom to Delaware takes 7h 15m

Direct flights go from United Kingdom to Delaware on Monday, Tuesday, Wednesday, Thursday, Friday and Saturday. There are no airlines offering direct flights..

There are 17 airports in Delaware. From United Kingdom there are direct flights to Philadelphia (PHL).

Search flight deals

When did momondo last update prices for flights from United Kingdom to Delaware?
Prices for flights from United Kingdom to Delaware are updated daily.
How many operators does momondo search for flights from United Kingdom to Delaware?
There are 11 operators available for flights from United Kingdom to Delaware as of March 2026.
How old do you have to be to fly from United Kingdom to Delaware?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from United Kingdom to Delaware.
What documentation or ID do you need to fly to Delaware?
The travel and health documents required for your trip to Delaware can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Delaware. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Why use momondo?

Why should I use momondo to find a flight deal from United Kingdom to Delaware?

Finding the right flight to Delaware from United Kingdom is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Delaware quick and easy, saving you time and money.

Can I find flights from United Kingdom to Delaware with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Delaware from United Kingdom with this policy.

How can momondo help me find flights from United Kingdom to Delaware?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from United Kingdom to Delaware.

I’m not ready to book a flight from United Kingdom to Delaware right now. Can momondo alert me if prices change?

Price alerts on flights to Delaware from United Kingdom are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.