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Cheap flights from Philadelphia to London from £200

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Philadelphia to London departing on 5/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags
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Find the cheapest flights from Philadelphia to London

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
15:30 - 20:10
PHL
-
LTN
23h 40m3 stops
Multiple Airlines Logo
20:50 - 22:46
LTN
-
PHL
30h 56m3 stops
£475Multiple Airlines
Fri, 9 Jan - Wed, 14 Jan
Multiple Airlines Logo
20:30 - 12:45
PHL
-
LTN
11h 15m1 stop
Multiple Airlines Logo
08:15 - 19:00
LTN
-
PHL
15h 45m1 stop
£491Multiple Airlines
Mon, 4 May - Mon, 11 May
Multiple Airlines Logo
15:30 - 19:25
PHL
-
LTN
22h 55m2 stops
Multiple Airlines Logo
20:50 - 14:47
LTN
-
PHL
22h 57m3 stops
£498Multiple Airlines
Wed, 21 Jan - Sun, 25 Jan
Multiple Airlines Logo
16:35 - 16:00
PHL
-
LTN
18h 25m2 stops
Multiple Airlines Logo
20:00 - 15:49
LTN
-
PHL
24h 49m2 stops
£506Multiple Airlines
Thu, 8 Jan - Thu, 15 Jan
Multiple Airlines Logo
15:30 - 16:15
PHL
-
LTN
19h 45m3 stops
Multiple Airlines Logo
21:00 - 15:49
LTN
-
PHL
22h 49m2 stops
£519Multiple Airlines
Fri, 6 Mar - Sat, 14 Mar
Multiple Airlines Logo
20:30 - 13:25
PHL
-
LTN
11h 55m1 stop
Multiple Airlines Logo
13:10 - 21:40
LTN
-
PHL
13h 30m2 stops
£529Multiple Airlines
Tue, 5 May - Tue, 12 May
Multiple Airlines Logo
15:30 - 12:25
PHL
-
LTN
15h 55m2 stops
Multiple Airlines Logo
16:20 - 14:47
LTN
-
PHL
27h 27m3 stops
£532Multiple Airlines
Tue, 3 Feb - Sun, 8 Feb
Multiple Airlines Logo
18:30 - 21:25
PHL
-
LTN
22h 55m2 stops
Multiple Airlines Logo
20:00 - 17:00
LTN
-
PHL
25h 00m2 stops
£545Multiple Airlines
Wed, 11 Mar - Tue, 17 Mar
Multiple Airlines Logo
20:30 - 14:00
PHL
-
LTN
12h 30m1 stop
Multiple Airlines Logo
12:50 - 19:00
LTN
-
PHL
11h 10m1 stop
£546Multiple Airlines
Fri, 24 Apr - Fri, 1 May
Multiple Airlines Logo
20:30 - 14:00
PHL
-
LTN
12h 30m1 stop
Multiple Airlines Logo
06:20 - 19:00
LTN
-
PHL
17h 40m1 stop
£563Multiple Airlines
Fri, 10 Apr - Fri, 24 Apr

momondo Fare Finder

 
Customise your flight search to find flights from Philadelphia to London Luton Airport that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 279,928 searches. Data last updated 29 December 2025.
Use the filters below to find and compare flights from Philadelphia to London Luton Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PhiladelphiaLondon

PHL - LTN

PHLLTN

Philadelphia

Fri 9/1

15:30-20:10

3 stops23h 40m

London Luton

Wed 14/1

20:50-22:46

3 stops30h 56m

£475

PhiladelphiaLondon

PHL - LTN

PHLLTN

Philadelphia

Mon 4/5

20:30-12:45

1 stop11h 15m

London Luton

Mon 11/5

08:15-19:00

1 stop15h 45m

£491

PhiladelphiaLondon

PHL - LTN

PHLLTN

Philadelphia

Wed 21/1

15:30-19:25

2 stops22h 55m

London Luton

Sun 25/1

20:50-14:47

3 stops22h 57m

£498

PhiladelphiaLondon

PHL - LTN

PHLLTN

Philadelphia

Thu 8/1

16:35-16:00

2 stops18h 25m

London Luton

Thu 15/1

20:00-15:49

2 stops24h 49m

£506

PhiladelphiaLondon

PHL - LTN

PHLLTN

Philadelphia

Fri 6/3

15:30-16:15

3 stops19h 45m

London Luton

Sat 14/3

21:00-15:49

2 stops22h 49m

£519

PhiladelphiaLondon

PHL - LTN

PHLLTN

Philadelphia

Tue 5/5

20:30-13:25

1 stop11h 55m

London Luton

Tue 12/5

13:10-21:40

2 stops13h 30m

£529

PhiladelphiaLondon

PHL - LTN

PHLLTN

Philadelphia

Tue 3/2

15:30-12:25

2 stops15h 55m

London Luton

Sun 8/2

16:20-14:47

3 stops27h 27m

£532

PhiladelphiaLondon

PHL - LTN

PHLLTN

Philadelphia

Wed 11/3

18:30-21:25

2 stops22h 55m

London Luton

Tue 17/3

20:00-17:00

2 stops25h 00m

£545

PhiladelphiaLondon

PHL - LTN

PHLLTN

Philadelphia

Fri 24/4

20:30-14:00

1 stop12h 30m

London Luton

Fri 1/5

12:50-19:00

1 stop11h 10m

£546

PhiladelphiaLondon

PHL - LTN

PHLLTN

Philadelphia

Fri 10/4

20:30-14:00

1 stop12h 30m

London Luton

Fri 24/4

06:20-19:00

1 stop17h 40m

£563

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

When to book flights from Philadelphia to London Luton Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Philadelphia to London Luton Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Philadelphia to London Luton Airport (PHL to LTN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Philadelphia to London Luton Airport

Fastest flight time

10h 05m

Direct flights

None
The fastest flight from Philadelphia to London Luton Airport takes 10h 05m
There are no direct flights from Philadelphia to London Luton Airport. There are no popular flight routes from Philadelphia to London Luton Airport.
Search flight deals

  • How far is Philadelphia to London Luton by plane?

    A flight from Philadelphia to London Luton will travel around 3521.0 mi. In terms of flight time, this usually takes a little over 10h 05m.

  • When did momondo last update prices for flights from Philadelphia Airport to London Luton Airport?

    Prices for flights from Philadelphia Airport to London Luton Airport are updated daily.

  • How old do you have to be to fly from Philadelphia Airport to London Luton Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Philadelphia Airport to London Luton Airport.

  • What documentation or ID do you need to fly to London Luton Airport?

    The travel and health documents you'll need for your trip to London Luton Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at London Luton Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • How do I get Price Alerts for flights from Philadelphia to London Luton Airport?

    Confirm your travel details to search for the latest offers for flights from Philadelphia to London Luton Airport. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

  • How can I save money on flights from Philadelphia to London Luton Airport with momondo?

    Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.

  • How does momondo find its flight prices?

    momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Eastbourne
Milton Keynes
Luton
Gatwick
Maidstone
Slough
Southend-on-Sea
Canterbury
Ipswich
Ilford
Guildford
Hayes
Chelmsford
Dover
Worthing
Hounslow
Bedford
Colchester
Ramsgate
Folkestone

Why use momondo?

Why should I use momondo to find a flight deal from Philadelphia to London?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Philadelphia to London . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Philadelphia to London with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to London from Philadelphia with this policy.

How can momondo help me find flights from Philadelphia to London?

momondo helps you find the best flight between Philadelphia and London by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Philadelphia to London right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Philadelphia to London flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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