£301 Find Cheap Flights from London to Delaware

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from London to Delaware departing on 16/11. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy

KAYAK searches hundreds of travel sites at once for deals on flights to Delaware

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from London to Delaware, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from London to Delaware, as well as popular online travel agencies
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Flights Deals

Cheap Flights from London to Delaware

Cheapest return prices found by our users on KAYAK in the last 72 hours
Philadelphia
Philadelphia1 stop£418
Philadelphia
Philadelphia1 stop£418

Book Cheap London to Delaware Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from London to Delaware that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from London to Delaware

Wed, 27 Aug - Tue, 16 Sep
JetBlue Logo
08:25 - 09:40LHR-PHL
30h 15m1 stop
JetBlue Logo
10:20 - 06:30PHL-LHR
15h 10m1 stop
£418JetBlue
Find Deal
Wed, 10 Sep - Wed, 17 Sep
JetBlue Logo
08:25 - 15:00LHR-PHL
11h 35m1 stop
JetBlue Logo
10:20 - 06:30PHL-LHR
15h 10m1 stop
£419JetBlue
Find Deal
Mon, 8 Sep - Mon, 15 Sep
JetBlue Logo
08:25 - 15:00LHR-PHL
11h 35m1 stop
JetBlue Logo
10:20 - 06:30PHL-LHR
15h 10m1 stop
£422JetBlue
Find Deal
Wed, 27 Aug - Wed, 10 Sep
JetBlue Logo
08:25 - 09:40LHR-PHL
30h 15m1 stop
JetBlue Logo
10:20 - 06:30PHL-LHR
15h 10m1 stop
£425JetBlue
Find Deal
Mon, 8 Sep - Mon, 15 Sep
Lufthansa Logo
09:30 - 16:00LHR-PHL
11h 30m1 stop
Lufthansa Logo
17:35 - 09:40PHL-LHR
11h 05m1 stop
£430Lufthansa
Find Deal
Mon, 8 Sep - Mon, 15 Sep
Lufthansa Logo
09:30 - 16:00LHR-PHL
11h 30m1 stop
Lufthansa Logo
17:35 - 09:40PHL-LHR
11h 05m1 stop
£434Lufthansa
Find Deal
Mon, 1 Sep - Mon, 8 Sep
Icelandair Logo
08:25 - 09:40LHR-PHL
30h 15m1 stop
Icelandair Logo
18:10 - 06:30PHL-LHR
31h 20m1 stop
£441Icelandair
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Mon, 1 Sep - Wed, 10 Sep
Aer Lingus Logo
13:25 - 19:00LHR-PHL
10h 35m1 stop
Aer Lingus Logo
20:30 - 11:10PHL-LHR
9h 40m1 stop
£443Aer Lingus
Find Deal
Tue, 18 Nov - Thu, 27 Nov
Icelandair Logo
09:20 - 08:36LHR-PHL
28h 16m1 stop
Icelandair Logo
06:00 - 06:55PHL-LHR
19h 55m1 stop
£444Icelandair
Find Deal
Wed, 12 Nov - Thu, 20 Nov
British Airways Logo
07:50 - 13:55LHR-PHL
11h 05m1 stop
British Airways Logo
18:51 - 09:15PHL-LHR
9h 24m1 stop
£462British Airways
Find Deal
Booking Insights

KAYAK's insights & trends for London to Delaware flights

Get data-powered insights and trends into flights from London to Delaware to help you find the cheapest flights, the best time to fly and much more.

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from London Heathrow Airport to Delaware, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from London Heathrow Airport to Delaware is March, when tickets cost £480 (return) on average. On the other hand, the most expensive months are July and August, when the average cost of return tickets is £698 and £685 respectively.

What’s the cheapest day of the week to fly from London to Delaware?

The average price of all round-trip flights from London Heathrow Airport to Delaware clicked on KAYAK for each day over the last 12 months.

If your flying dates are flexible, you should consider flying to Delaware on a Tuesday, as we generally find the cheapest rates on that day for this route. On the other hand, Sunday is the most expensive day to fly from London to Delaware. For your return ticket, we recommend flying on a Tuesday and avoiding Thursdays for the best deals.

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

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from London Heathrow Airport to Delaware, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below-average price on a flight from London Heathrow Airport to Delaware, you should book around 2 weeks before departure, which saves you about 34% compared to booking last-minute. For the absolute cheapest price, our data suggests you should book 16 weeks before departure.


Good to know - Cheap tickets from London to Delaware

Low seasonJanuary
Cheapest flight£301
Best time to beat the crowds (3% less expensive on average)
Most popular time to fly (20% more expensive on average)
Flight from London Heathrow Airport to Philadelphia

FAQs - booking Delaware flights

  • How does KAYAK find such low prices on flights from London to Delaware?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from London to Delaware.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from London to Delaware?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from London to Delaware is likely to change within 7 days, so travellers know whether to wait or book now.

  • What is the Hacker Fare option on flights from London to Delaware?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly from London to Delaware with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from London to Delaware?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from London to Delaware up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • What is the cheapest time of day to fly to Delaware?

    The cheapest time of day to fly to Delaware is generally in the evening, when retur flights cost £669 on average. Morning departures are around 26% more expensive than evening flights, on average. The most expensive time of day to fly to Delaware is generally in the afternoon, which is peak travel time and where the average cost of a ticket is £849.

Everything you need to know for your flight from London to Delaware

Information on your arrival and departure airports

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