Cheap flights from London to Delaware

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How to find the cheapest flight from
London (LON) to Delaware

All the information you need to plan the best LON to ILG flight in 2022: compare London to Delaware flight prices with the expected peak season, weather and rainfall in Delaware.
When is the cheapest time to fly from London to Delaware (LON - DE)?

When flying from London 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.

What is the cheapest month to fly from London to Delaware?

Flights from London to Delaware lean towards being more expensive in December. Prices are generally better when you fly from London to Delaware in March, with the cheapest ticket starting at £395.

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

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 51 days in advance, which can save you up to 17% on flights from London to Delaware compared to booking the week you need them. Waiting 51 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at £602. For sooner than that we have options available in the next 3 days from £661.

Cheap flights from London to Delaware in August, September 2022

The best prices found for LON to Delaware flights in August, September
9 Sep - 17 Sep
£411pp
LHR
London Heathrow
United Airlines
   
2 STOPS
PHL
Philadelphia
PHL
Philadelphia
United Airlines
 
1 STOP
LHR
London Heathrow
31 Aug - 17 Sep
£413pp
LHR
London Heathrow
United Airlines
   
2 STOPS
PHL
Philadelphia
PHL
Philadelphia
United Airlines
 
1 STOP
LHR
London Heathrow
27 Sep - 4 Oct
£418pp
LHR
London Heathrow
United Airlines
   
2 STOPS
PHL
Philadelphia
PHL
Philadelphia
United Airlines
   
2 STOPS
LHR
London Heathrow

London to Delaware 2022 flight deals

Cheap flights to Delaware from London found for this year
9 Sep - 17 Sep
£411pp
LHR
London Heathrow
United Airlines
   
2 STOPS
PHL
Philadelphia
PHL
Philadelphia
United Airlines
 
1 STOP
LHR
London Heathrow
31 Aug - 17 Sep
£413pp
LHR
London Heathrow
United Airlines
   
2 STOPS
PHL
Philadelphia
PHL
Philadelphia
United Airlines
 
1 STOP
LHR
London Heathrow
27 Sep - 4 Oct
£418pp
LHR
London Heathrow
United Airlines
   
2 STOPS
PHL
Philadelphia
PHL
Philadelphia
United Airlines
   
2 STOPS
LHR
London Heathrow

Cheap Air Canada flights from London to Delaware

8 Sep - 29 Sep
£427pp
LHR
London Heathrow
Air Canada
 
1 STOP
PHL
Philadelphia
PHL
Philadelphia
Air Canada
 
1 STOP
LHR
London Heathrow
11 Nov - 29 Nov
£428pp
LHR
London Heathrow
Air Canada
   
2 STOPS
PHL
Philadelphia
PHL
Philadelphia
Air Canada
 
1 STOP
LHR
London Heathrow
10 Nov - 25 Nov
£436pp
LHR
London Heathrow
Air Canada
   
2 STOPS
PHL
Philadelphia
PHL
Philadelphia
Air Canada
 
1 STOP
LHR
London Heathrow

Cheap SWISS flights from London to Delaware

22 Oct - 29 Oct
£467pp
LCY
London City
SWISS
   
2 STOPS
PHL
Philadelphia
PHL
Philadelphia
SWISS
   
2 STOPS
LCY
London City
22 Oct - 29 Oct
£478pp
LCY
London City
SWISS
   
2 STOPS
PHL
Philadelphia
PHL
Philadelphia
SWISS
   
2 STOPS
LCY
London City
1 Oct - 15 Oct
£498pp
LCY
London City
SWISS
   
2 STOPS
PHL
Philadelphia
PHL
Philadelphia
SWISS
   
2 STOPS
LCY
London City

Direct flights to Delaware from London

Save time with London to Delaware direct flight deals
8 Nov - 28 Nov
£452pp
LHR
London Heathrow
British Airways
Direct
PHL
Philadelphia
PHL
Philadelphia
British Airways
Direct
LHR
London Heathrow
19 Nov - 28 Nov
£455pp
LHR
London Heathrow
British Airways
Direct
PHL
Philadelphia
PHL
Philadelphia
British Airways
Direct
LHR
London Heathrow
12 Jan - 26 Jan
£456pp
LHR
London Heathrow
British Airways
Direct
PHL
Philadelphia
PHL
Philadelphia
British Airways
Direct
LHR
London Heathrow

Last-minute flights from London to Delaware

Late deals on return flights to Delaware from London, departing today and this week
22 Aug - 4 Sep
£547pp
LHR
London Heathrow
Multiple airlines
 
1 STOP
PHL
Philadelphia
PHL
Philadelphia
Multiple Airlines
 
1 STOP
LHR
London Heathrow
22 Aug - 7 Sep
£550pp
LHR
London Heathrow
United Airlines
   
2 STOPS
PHL
Philadelphia
PHL
Philadelphia
United Airlines
 
1 STOP
LHR
London Heathrow
22 Aug - 7 Sep
£552pp
LHR
London Heathrow
United Airlines
   
2 STOPS
PHL
Philadelphia
PHL
Philadelphia
United Airlines
   
2 STOPS
LHR
London Heathrow

One-way flights to Delaware from London

The cheapest one-way flights from London to Delaware
09:15 - 05:49
Multiple Airlines
2 stops
24h 34m
LTN - PHL
Multiple Airlines
£250
Kiwi.com
14:30 - 05:49
Multiple Airlines
2 stops
44h 19m
LTN - PHL
Multiple Airlines
£257
Combigo
12:30 - 17:12
Multiple Airlines
2 stops
33h 42m
STN - PHL
Multiple Airlines
£265
Kiwi.com

Related info for your journey

Useful info, stats and facts about <span class="emphasized">London</span> to <span class="emphasized">Delaware</span> flights.

Flight FAQs

From London to Delaware

Which airlines flying from London to Delaware have flexible cancellations due to COVID-19?

Due to the rapidly changing circumstances due to COVID-19, airlines like Finnair, British Airways, and American Airlines flying from London to Delaware have implemented new flexible cancellation policies.

Can I find flights from London to Delaware for under £500 on Cheapflights?

Yes, there are multiple flights from London to Delaware for under £500. The cheapest flight booked recently is on United Airlines for just £411, but on average you can expect to pay £424.

Are there nonstop flights from London to Delaware for under £500 on Cheapflights?

Cheapflights has at least 20 direct flights from London to Delaware under £500. A good price for a nonstop flight from London to Delaware is less than £473.

Are there last-minute flights available from London to Delaware for under £600?

There are currently 20+ open flights from London to Delaware within the next 7 days for less than £600.

What are the most popular routes from London to Delaware?

The most popular route from London to Delaware is London Heathrow - Philadelphia. You may also consider London Gatwick - Philadelphia or London City - Philadelphia.

COVID Restrictions

View COVID Travel Restrictions for Delaware (DE)

Do I need a COVID test to fly to Delaware from London?

Information is based on travel restrictions from London to Delaware

Most visitors from London need to provide a negative COVID-19 test result and/or quarantine to enter Delaware.

COVID-19 testing requirements
Visitors from London are not required to present a negative COVID-19 PCR test or antigen result upon entering Delaware.

Quarantine requirements
Visitors from London are not required to quarantine after entering Delaware.

Do I need a test to fly back to London from Delaware?

Returning to London from Delaware

COVID-19 testing requirements
Visitors from Delaware are not required to present a negative COVID-19 PCR test or antigen result upon entering London.

Quarantine requirements
Visitors from Delaware are not required to quarantine after entering London.

Hide COVID Travel Restrictions for Delaware (DE)

Destination points for flights from London to Delaware

Select to see more specific information for flights from London to all places in Delaware.
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