Cheap flights from Philadelphia (PHL) to Heathrow (LHR)

PHL — LHR
Oct 2 — Oct 91

How to find the cheapest flight from Philadelphia (PHL) to Heathrow (LHR)

All the information you need to plan the best PHL to LHR flight in 2022: compare Philadelphia to Heathrow flight prices with the expected peak season, weather and rainfall in Heathrow.

PHL - LHR

Price

$649 - $1,211

LHR

Temperature

39.2 - 62.6 °F

LHR

Rainfall

1.6 - 2.8 inches

Popular inJulyHigh demand for flights, 26% potential price rise
Cheapest inOctoberBest time to find cheap flights, 27% potential price drop
Round-trip from$649From Philadelphia to London Heathrow
One-way from$395One-way flight from Philadelphia to London Heathrow

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

Users have found that booking a flight from Philadelphia to London Heathrow Airport at least 48 days early can save you up to 50% on average compared to booking a flight this week. If booking 48 days before your flight isn’t an option for you, users have found flights from Philadelphia to London Heathrow Airport for as little as $1,112 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $1,459 for flights departing within the next 3 days.

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

Our data shows that February tends to be the cheapest month to fly to London Heathrow Airport from Philadelphia. Users have commonly found prices around $898 for the month, but tickets can be as low as $653. Due to multiple factors, prepare for potentially higher prices in July.

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

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Philadelphia to London Heathrow Airport as you normally would.

Cheap flights from Philadelphia to Heathrow in September, October 2022

The best prices found for PHL to LHR flights for September, October
Oct 31 - Nov 10
PHL

Philadelphia

LHR

London Heathrow

1 stop

10h 30m
LHR

London Heathrow

PHL

Philadelphia

1 stop

12h 15m
$547

Aer Lingus

Pick Dates

Deal found 9/26/22

Oct 24 - Nov 1
PHL

Philadelphia

LHR

London Heathrow

1 stop

9h 10m
LHR

London Heathrow

PHL

Philadelphia

1 stop

12h 15m
$581

Aer Lingus

Pick Dates

Deal found 9/26/22

Oct 26 - Nov 1
PHL

Philadelphia

LHR

London Heathrow

1 stop

9h 10m
LHR

London Heathrow

PHL

Philadelphia

1 stop

12h 15m
$600

Aer Lingus

Pick Dates

Deal found 9/25/22

Philadelphia to Heathrow 2022 flight deals

Cheap flights to Heathrow from Philadelphia found for this year
Nov 14 - Nov 23
PHL

Philadelphia

LHR

London Heathrow

1 stop

12h 10m
LHR

London Heathrow

PHL

Philadelphia

1 stop

14h 30m
$486

Multiple Airlines

Pick Dates

Deal found 9/26/22

Nov 14 - Nov 19
PHL

Philadelphia

LHR

London Heathrow

1 stop

12h 55m
LHR

London Heathrow

PHL

Philadelphia

1 stop

12h 15m
$491

Aer Lingus

Pick Dates

Deal found 9/26/22

Dec 8 - Dec 12
PHL

Philadelphia

LHR

London Heathrow

1 stop

10h 30m
LHR

London Heathrow

PHL

Philadelphia

1 stop

13h 15m
$497

Aer Lingus

Pick Dates

Deal found 9/24/22

Cheap Aer Lingus flights from Philadelphia to Heathrow

Nov 14 - Nov 19
PHL

Philadelphia

LHR

London Heathrow

1 stop

12h 55m
LHR

London Heathrow

PHL

Philadelphia

1 stop

12h 15m
$491

Aer Lingus

Pick Dates

Deal found 9/26/22

Mar 21 - Mar 31
PHL

Philadelphia

LHR

London Heathrow

1 stop

9h 35m
LHR

London Heathrow

PHL

Philadelphia

1 stop

11h 05m
$495

Aer Lingus

Pick Dates

Deal found 9/24/22

Dec 8 - Dec 12
PHL

Philadelphia

LHR

London Heathrow

1 stop

10h 30m
LHR

London Heathrow

PHL

Philadelphia

1 stop

13h 15m
$497

Aer Lingus

Pick Dates

Deal found 9/24/22

  • Aer Lingus is one of the most popular airlines used for those traveling from Philadelphia to London Heathrow Airport. Flights on this route from Aer Lingus typically cost $1,047.32 RT, a price that is 47% more expensive than the average Philadelphia to London Heathrow Airport flight. The cheapest flight found was $705 RT. When traveling from Philadelphia to London Heathrow Airport on Aer Lingus, the most popular airport to depart from is Philadelphia Airport and the most popular airport to arrive at is London Heathrow Airport. When flying from Philadelphia to London Heathrow Airport, Aer Lingus flights are 3% more popular than any other airline flying that same route.

Cheap JetBlue flights from Philadelphia to Heathrow

Oct 5 - Oct 18
PHL

Philadelphia

LHR

London Heathrow

1 stop

15h 10m
LHR

London Heathrow

PHL

Philadelphia

1 stop

13h 22m
$830

JetBlue

Pick Dates

Deal found 9/25/22

Oct 4 - Oct 26
PHL

Philadelphia

LHR

London Heathrow

1 stop

15h 10m
LHR

London Heathrow

PHL

Philadelphia

1 stop

13h 22m
$863

JetBlue

Pick Dates

Deal found 9/25/22

Oct 4 - Oct 13
PHL

Philadelphia

LHR

London Heathrow

1 stop

15h 10m
LHR

London Heathrow

PHL

Philadelphia

1 stop

13h 22m
$872

JetBlue

Pick Dates

Deal found 9/24/22

  • JetBlue is one of the most popular airlines used for those traveling from Philadelphia to London Heathrow Airport. Flights from JetBlue traveling this route typically cost $949.12 RT. This price is typically 87% more expensive than other airlines that offer Philadelphia to London Heathrow Airport flights. When booking this route, the cheapest RT price found was $668. The most popular departure airport in Philadelphia when flying to London Heathrow Airport is Philadelphia Airport. The most popular airport to fly into when visiting London Heathrow Airport is London Heathrow Airport. When flying from Philadelphia to London Heathrow Airport, JetBlue flights are 0% more popular than any other airline flying that same route.

Non-stop flights to Heathrow from Philadelphia

Save time with Philadelphia to Heathrow direct flight deals
Nov 14 - Nov 23
PHL

Philadelphia

LHR

London Heathrow

Nonstop

7h 00m
LHR

London Heathrow

PHL

Philadelphia

Nonstop

8h 10m
$795

British Airways

Pick Dates

Deal found 9/26/22

Nov 7 - Nov 16
PHL

Philadelphia

LHR

London Heathrow

Nonstop

6h 57m
LHR

London Heathrow

PHL

Philadelphia

Nonstop

8h 03m
$799

Iberia

Pick Dates

Deal found 9/26/22

Oct 24 - Nov 4
PHL

Philadelphia

LHR

London Heathrow

Nonstop

6h 51m
LHR

London Heathrow

PHL

Philadelphia

Nonstop

8h 10m
$804

American Airlines

Pick Dates

Deal found 9/26/22

Last minute flights from Philadelphia to Heathrow

Late deals on return flights to Heathrow from Philadelphia, departing today and this week
Oct 3 - Oct 12
PHL

Philadelphia

LHR

London Heathrow

3 stops

22h 10m
LHR

London Heathrow

PHL

Philadelphia

2 stops

21h 07m
$678

Multiple Airlines

Pick Dates

Deal found 9/24/22

Oct 3 - Oct 12
PHL

Philadelphia

LHR

London Heathrow

3 stops

22h 10m
LHR

London Heathrow

PHL

Philadelphia

2 stops

18h 52m
$683

Multiple Airlines

Pick Dates

Deal found 9/25/22

Oct 5 - Oct 18
PHL

Philadelphia

LHR

London Heathrow

3 stops

31h 10m
LHR

London Heathrow

PHL

Philadelphia

2 stops

36h 37m
$702

Multiple Airlines

Pick Dates

Deal found 9/24/22

One-way flights to Heathrow from Philadelphia

The cheapest one-way flights from Philadelphia to Heathrow
Nov 1
PHL

Philadelphia

LHR

London Heathrow

3 stops

31h 19m
$267

Multiple Airlines

Pick Dates

Deal found 9/24/22

Oct 10
PHL

Philadelphia

LHR

London Heathrow

2 stops

25h 32m
$270

Multiple Airlines

Pick Dates

Deal found 9/24/22

Oct 14
PHL

Philadelphia

LHR

London Heathrow

2 stops

21h 36m
$272

Multiple Airlines

Pick Dates

Deal found 9/25/22

Related info for your journey

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

What airport do you fly from for flights from Philadelphia to London Heathrow?

Located just 7.0 mi from the city center, Philadelphia is the airport most travelers will use when flying to London Heathrow from Philadelphia. Booking flights from Philadelphia (PHL) to London Heathrow should be relatively easy as there are 17 daily outbound flights to London Heathrow from 15 different airlines.

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

Some of our airline partners flying from Philadelphia to London Heathrow have new flexible policies in place due to COVID-19. British Airways, Aer Lingus, 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 Philadelphia to London Heathrow Airport for under $500 on Cheapflights?

Yes, there are multiple flights from Philadelphia to London Heathrow Airport for under $500. The cheapest flight booked recently is on Multiple Airlines for just $486, but on average you can expect to pay $521.

Are there nonstop flights from Philadelphia to London Heathrow Airport for under $800 on Cheapflights?

Cheapflights has at least 20 direct flights from Philadelphia to London Heathrow Airport under $800. A good price for a nonstop flight from Philadelphia to London Heathrow Airport is less than $819.

Are there last-minute flights available from Philadelphia to London Heathrow Airport for under $700?

There are currently 20+ open flights from Philadelphia to London Heathrow Airport within the next 7 days for less than $700.

What is the cheapest airline to fly from Philadelphia to London Heathrow Airport round-trip?

According to our current data, Aer Lingus ($491), offers the cheapest pricing from Philadelphia to London Heathrow Airport. You may be able to fly from Philadelphia to London Heathrow Airport for 44% less than the average price by searching for this airline.

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

The cheapest airline one-way is Icelandair, with whom users have recently found tickets for as low as $348. However, be on the lookout for offers from Aer Lingus and TAP AIR PORTUGAL, as they are both options that can get you from Philadelphia to London Heathrow Airport for a low price.

What are the most popular airlines that fly from Philadelphia to London Heathrow Airport?

American Airlines, Air Canada and Air France are the most popular airlines when flying from Philadelphia to London Heathrow Airport.

What are the most reliable airlines from Philadelphia to London Heathrow Airport?

Consider Malaysia Airlines (91%), EL AL (91%) or Qatar Airways (90%) when booking your flight. These represent the most reliable airlines when flying from Philadelphia to London Heathrow Airport.

What are the cheapest flights from Philadelphia to London Heathrow Airport?

Looking for the cheapest flight from Philadelphia to London Heathrow Airport? While on average our users pay $4,154, our data indicates the cheapest price to be $246. The most popular route (Philadelphia - London Heathrow), is priced around $486.

Alternative routes for Philadelphia to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.

Top 10 airlines flying from Philadelphia to Heathrow

The chart below displays the airlines Cheapflights users traveling from Philadelphia to Heathrow choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-timeCOVID-19 safety
Juneyao AirlinesCheapest$14Average$21FlexibilityNo cancel feeOn-time66%COVID-19 safety
Search Juneyao Airlines flights
Virgin AtlanticCheapest$378Average$672FlexibilityNo cancel feeOn-time72%COVID-19 safety
Search Virgin Atlantic flights
IcelandairCheapest$407Average$759FlexibilityNo cancel feeOn-time76%COVID-19 safety
Search Icelandair flights
United AirlinesCheapest$568Average$741FlexibilityNo cancel feeOn-time69%COVID-19 safety
Search United Airlines flights
DeltaCheapest$595Average$1,051FlexibilityNo cancel feeOn-timeN/ACOVID-19 safety
Search Delta flights
Aer LingusCheapest$600Average$724FlexibilityNo cancel feeOn-timeN/ACOVID-19 safety
Search Aer Lingus flights
IberiaCheapest$622Average$906FlexibilityNo cancel feeOn-time77%COVID-19 safety
Search Iberia flights
KLMCheapest$627Average$729FlexibilityNo cancel feeOn-time75%COVID-19 safety
Search KLM flights
FinnairCheapest$668Average$949FlexibilityNo cancel feeOn-time76%COVID-19 safety
Search Finnair flights
Air FranceCheapest$669Average$808FlexibilityNo cancel feeOn-time77%COVID-19 safety
Search Air France flights

Hourly flight availability from Philadelphia to Heathrow

See what time of day planes typically take off from Philadelphia to Heathrow
1%of flight departuresEarly morningMidnight to 6 am
0%of flight departuresMorning6 am to noon
16%of flight departuresAfternoonNoon to 6 pm
83%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

Weekly flight availability from Philadelphia to Heathrow

See how many times per day planes take to the skies headed from Philadelphia to Heathrow
Sunday14daily flights
Monday19daily flights
Tuesday19daily flights
Wednesday19daily flights
Thursday14daily flights
Friday19daily flights
Saturday19daily flights