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

As of November 2025, 43 flights take off from United Kingdom and land in Delaware each week. The most common flight departure day for this route is Wed, with 23% 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 13 operators available for flights from United Kingdom to Delaware as of November 2025.

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.

£217 Cheap Flights from the United Kingdom to Delaware in 2025/26

1 adult

0 bags

Voted winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

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.

09:20 - 18:23LHR-PHL

14h 03m1 stop

06:00 - 06:55PHL-LHR

19h 55m1 stop

£460JetBlue

Find Deal

月, 9 2月 - 日, 15 2月

08:25 - 09:13LHR-PHL

29h 48m1 stop

15:15 - 06:30PHL-LHR

10h 15m1 stop

£461JetBlue

Find Deal

木, 30 4月 - 火, 5 5月

14:00 - 11:17LGW-PHL

26h 17m2 stops

05:15 - 10:00PHL-LGW

23h 45m2 stops

£461Multiple Airlines

Find Deal

金, 5 12月 - 金, 12 12月

14:00 - 14:17LGW-PHL

29h 17m1 stop

06:00 - 10:55PHL-LGW

23h 55m2 stops

£464Multiple Airlines

Find Deal

月, 17 11月 - 日, 23 11月

08:25 - 09:13LHR-PHL

29h 48m1 stop

10:00 - 06:30PHL-LHR

15h 30m1 stop

£467Icelandair

Find Deal

水, 29 4月 - 月, 4 5月

07:25 - 15:57LHR-PHL

37h 32m2 stops

06:00 - 06:55PHL-LHR

19h 55m1 stop

£467Icelandair

Find Deal

火, 18 11月 - 木, 27 11月

09:00 - 22:46LHR-PHL

18h 46m2 stops

07:50 - 07:10PHL-LHR

43h 20m2 stops

£473Air Canada

Find Deal

火, 3 3月 - 日, 8 3月

09:00 - 22:46LHR-PHL

18h 46m2 stops

07:50 - 07:10PHL-LHR

42h 20m2 stops

£475Air Canada

Find Deal

水, 18 2月 - 日, 22 2月

06:35 - 22:46LHR-PHL

21h 11m2 stops

16:35 - 20:35PHL-LHR

23h 00m2 stops

£478United Airlines

Find Deal

水, 3 12月 - 水, 10 12月

13:30 - 16:05LHR-PHL

31h 35m1 stop

07:50 - 20:35PHL-LHR

31h 45m2 stops

£490United Airlines

Find Deal

月, 1 12月 - 月, 8 12月

United Airlines flights from United Kingdom to Delaware

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

United Airlines

3 Dec

LHR06:35London Heathrow

21h 11m

2 stops

PHL22:46Philadelphia

10 Dec

PHL16:35Philadelphia

23h 00m

2 stops

LHR20:35London Heathrow

£478

Find similar

United Airlines

1 Dec

LHR13:30London Heathrow

31h 35m

1 stop

PHL16:05Philadelphia

8 Dec

PHL07:50Philadelphia

31h 45m

2 stops

LHR20:35London Heathrow

£490

Find similar

United Airlines

4 Dec

LHR07:30London Heathrow

13h 35m

1 stop

PHL16:05Philadelphia

8 Dec

PHL07:50Philadelphia

31h 45m

2 stops

LHR20:35London Heathrow

£506

Find similar

British Airways flights from United Kingdom to Delaware

Our best British Airways deals on United Kingdom to Delaware flight tickets

British Airways

2 Dec

LHR07:50London Heathrow

11h 05m

1 stop

PHL13:55Philadelphia

9 Dec

PHL18:35Philadelphia

7h 00m

LHR06:35London Heathrow

£488

Find similar

British Airways

3 Dec

LHR07:50London Heathrow

11h 10m

1 stop

PHL14:00Philadelphia

10 Dec

PHL18:35Philadelphia

7h 00m

LHR06:35London Heathrow

£502

Find similar

British Airways

18 Nov

LHR06:30London Heathrow

12h 25m

1 stop

PHL13:55Philadelphia

27 Nov

PHL19:45Philadelphia

7h 05m

LHR07:50London Heathrow

£524

Find similar

Fly from

Fly to

Route

Depart

Return

Price

LondonPhiladelphia

LHR - PHL

LHRPHL

London Heathrow

月 9/2

09:20-18:23

1 stop14h 03m

Philadelphia

日 15/2

06:00-06:55

1 stop19h 55m

£460

LondonPhiladelphia

LHR - PHL

LHRPHL

London Heathrow

木 30/4

08:25-09:13

1 stop29h 48m

Philadelphia

火 5/5

15:15-06:30

1 stop10h 15m

£461

LondonPhiladelphia

LGW - PHL

LGWPHL

London Gatwick

金 5/12

14:00-11:17

2 stops26h 17m

Philadelphia

金 12/12

05:15-10:00

2 stops23h 45m

£461

LondonPhiladelphia

LGW - PHL

LGWPHL

London Gatwick

月 17/11

14:00-14:17

1 stop29h 17m

Philadelphia

日 23/11

06:00-10:55

2 stops23h 55m

£464

LondonPhiladelphia

LHR - PHL

LHRPHL

London Heathrow

水 29/4

08:25-09:13

1 stop29h 48m

Philadelphia

月 4/5

10:00-06:30

1 stop15h 30m

£467

LondonPhiladelphia

LHR - PHL

LHRPHL

London Heathrow

火 18/11

07:25-15:57

2 stops37h 32m

Philadelphia

木 27/11

06:00-06:55

1 stop19h 55m

£467

LondonPhiladelphia

LHR - PHL

LHRPHL

London Heathrow

火 3/3

09:00-22:46

2 stops18h 46m

Philadelphia

日 8/3

07:50-07:10

2 stops43h 20m

£473

LondonPhiladelphia

LHR - PHL

LHRPHL

London Heathrow

水 18/2

09:00-22:46

2 stops18h 46m

Philadelphia

日 22/2

07:50-07:10

2 stops42h 20m

£475

LondonPhiladelphia

LHR - PHL

LHRPHL

London Heathrow

水 3/12

06:35-22:46

2 stops21h 11m

Philadelphia

水 10/12

16:35-20:35

2 stops23h 00m

£478

LondonPhiladelphia

LHR - PHL

LHRPHL

London Heathrow

月 1/12

13:30-16:05

1 stop31h 35m

Philadelphia

月 8/12

07:50-20:35

2 stops31h 45m

£490

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

Other information

What is the cheapest month to fly to Delaware?

In general, February 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 £509. If you’re not able to fly to Delaware in February, then September is your next best option. Flight prices from United Kingdom to Delaware during September average around £512.

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 £622. 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 £676.

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 afternoon. Flights from United Kingdom to Delaware during this time can be as low as £512. In contrast, the most expensive time of day to depart to Delaware is at midday when prices are around £646.

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 £585 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 £519 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 25m
Direct flights	Every day
Airports in Delaware	1 airport

The fastest flight from United Kingdom to Delaware takes 7h 25m

Direct flights go from United Kingdom to Delaware every day.

There is 1 airport near Delaware: 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 13 operators available for flights from United Kingdom to Delaware as of November 2025.
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.