Cheap flights from Heathrow to Delaware

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

Travellers have found it’s best to book a flight 54 days in advance to save up to 38% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 54 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from London Heathrow Airport to Delaware 1-2 weeks in advance for as low as £421, or £516 for flights within the next 24 hours.

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

The best pricing can be found in the month of February. Prices to Delaware from London Heathrow Airport average £397. You can even find prices in February for less than £397, as users have found deals to Delaware from as low as £288. The month of July appears to be one of the more expensive times to travel to Delaware from London Heathrow Airport. Flying in the targeted month can save you up to 40%.

When is the cheapest time to fly from London Heathrow Airport to Delaware (LHR - DE)?

When flying from London Heathrow Airport 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.

Cheap flights from Heathrow to Delaware in December, January 2021

The best prices found for LHR to Delaware flights in December, January
15 Jan - 30 Jan
LHR

London Heathrow

PHL

Philadelphia

1 stop

11h 30m
PHL

Philadelphia

LHR

London Heathrow

Nonstop

7h 05m
£254

British Airways

View Deal

Deal found 29.11.21

15 Jan - 30 Jan
LHR

London Heathrow

PHL

Philadelphia

1 stop

11h 30m
PHL

Philadelphia

LHR

London Heathrow

Nonstop

7h 05m
£255

British Airways

View Deal

Deal found 30.11.21

15 Jan - 30 Jan
LHR

London Heathrow

PHL

Philadelphia

1 stop

11h 30m
PHL

Philadelphia

LHR

London Heathrow

Nonstop

7h 05m
£256

British Airways

View Deal

Deal found 30.11.21

Heathrow to Delaware 2021 flight deals

Cheap flights to Delaware from Heathrow found for this year
26 Dec - 18 Jan
LHR

London Heathrow

PHL

Philadelphia

1 stop

14h 40m
PHL

Philadelphia

LHR

London Heathrow

1 stop

10h 35m
£355

Multiple Airlines

View Deal

Deal found 01.12.21

25 Dec - 18 Jan
LHR

London Heathrow

PHL

Philadelphia

1 stop

29h 40m
PHL

Philadelphia

LHR

London Heathrow

1 stop

10h 35m
£364

Multiple Airlines

View Deal

Deal found 01.12.21

25 Dec - 18 Jan
LHR

London Heathrow

PHL

Philadelphia

1 stop

29h 40m
PHL

Philadelphia

LHR

London Heathrow

1 stop

10h 35m
£366

Multiple Airlines

View Deal

Deal found 29.11.21

Direct flights to Delaware from Heathrow

Save time with Heathrow to Delaware direct flight deals
16 Jan - 29 Jan
LHR

London Heathrow

PHL

Philadelphia

Nonstop

8h 30m
PHL

Philadelphia

LHR

London Heathrow

Nonstop

6h 55m
£268

Multiple Airlines

View Deal

Deal found 29.11.21

15 Jan - 30 Jan
LHR

London Heathrow

PHL

Philadelphia

Nonstop

8h 30m
PHL

Philadelphia

LHR

London Heathrow

Nonstop

7h 10m
£268

Finnair

View Deal

Deal found 29.11.21

15 Jan - 30 Jan
LHR

London Heathrow

PHL

Philadelphia

Nonstop

8h 30m
PHL

Philadelphia

LHR

London Heathrow

Nonstop

7h 10m
£269

Finnair

View Deal

Deal found 30.11.21

Last-minute flights from Heathrow to Delaware

Late deals on return flights to Delaware from Heathrow, departing today and this week
8 Dec - 9 Feb
LHR

London Heathrow

PHL

Philadelphia

2 stops

17h 20m
PHL

Philadelphia

LHR

London Heathrow

1 stop

10h 35m
£452

Multiple Airlines

View Deal

Deal found 01.12.21

8 Dec - 9 Feb
LHR

London Heathrow

PHL

Philadelphia

1 stop

33h 40m
PHL

Philadelphia

LHR

London Heathrow

1 stop

11h 30m
£458

Multiple Airlines

View Deal

Deal found 01.12.21

8 Dec - 9 Feb
LHR

London Heathrow

PHL

Philadelphia

2 stops

17h 20m
PHL

Philadelphia

LHR

London Heathrow

2 stops

25h 20m
£485

Multiple Airlines

View Deal

Deal found 01.12.21

One-way flights to Delaware from Heathrow

The cheapest one-way flights from Heathrow to Delaware
14 Jan
LHR

London Heathrow

PHL

Philadelphia

Nonstop

8h 30m
£301

Finnair

View Deal

Deal found 30.11.21

17 Jan
LHR

London Heathrow

PHL

Philadelphia

Nonstop

8h 30m
£302

Finnair

View Deal

Deal found 30.11.21

14 Jan
LHR

London Heathrow

PHL

Philadelphia

Nonstop

8h 15m
£313

British Airways

View Deal

Deal found 02.12.21

Related info for your journey

Useful info, stats and facts about Heathrow to Delaware flights.

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

Some of our airline partners flying from London Heathrow to Delaware have new flexible policies in place due to COVID-19. British Airways, Finnair, and American Airlines are some of the carriers where you may find flexible cancellation policies. You can use our site to filter for airlines like British Airways with this kind of flexibility.

Can I find flights from London Heathrow Airport to Delaware for under £300 on Cheapflights?

Yes, there are multiple flights from London Heathrow Airport to Delaware for under £300. The cheapest flight booked recently is on British Airways for just £255, but on average you can expect to pay £281.

Are there direct flights from London Heathrow Airport to Delaware for under £300 on Cheapflights?

Cheapflights has 20 direct flights from London Heathrow Airport to Delaware under £300. A good price for a direct flight from London Heathrow Airport to Delaware is less than £340.

Are there last-minute flights available from London Heathrow Airport to Delaware for under £500?

There are currently 20+ open flights from London Heathrow Airport to Delaware within the next 7 days for less than £500.

What are the cheapest airlines to fly from London Heathrow Airport to Delaware one-way?

The cheapest airlines for a one-way flight from London Heathrow Airport to Delaware are Finnair (£301), British Airways (£313), and Air Canada (£326).

Can I fly to Delaware from London Heathrow right now?

Information is based on travel restrictions from London Heathrow to Delaware

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

COVID-19 testing requirements
Visitors from London Heathrow must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to Delaware.

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

Can I fly back to London Heathrow from Delaware?

Returning to London Heathrow from Delaware

COVID-19 testing requirements
Visitors from Delaware must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to London Heathrow.

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