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Cheap flights from Pittsburgh to London from £172

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Pittsburgh to London departing on 3/8. 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
1 adult, Economy, 0 bags

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Find the cheapest flights from Pittsburgh to London

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
19:20 - 07:10
PIT
-
LHR
31h 50m
2 stops
Multiple Airlines Logo
06:35 - 18:36
LHR
-
PIT
17h 01m
2 stops
£650Multiple Airlines
Sat, 31 Oct - Wed, 11 Nov
Multiple Airlines Logo
12:59 - 10:00
PIT
-
LGW
16h 01m
1 stop
Multiple Airlines Logo
14:00 - 12:04
LGW
-
PIT
27h 04m
1 stop
£653Multiple Airlines
Wed, 5 Aug - Tue, 11 Aug
Delta Logo
19:47 - 13:50
PIT
-
LHR
13h 03m
2 stops
Delta Logo
06:30 - 19:07
LHR
-
PIT
16h 37m
2 stops
£653Delta
Sun, 18 Oct - Tue, 27 Oct
Delta Logo
19:47 - 13:50
PIT
-
LHR
13h 03m
2 stops
Delta Logo
06:30 - 19:07
LHR
-
PIT
16h 37m
2 stops
£653Delta
Sun, 18 Oct - Tue, 27 Oct
British Airways Logo
10:34 - 06:50
PIT
-
LHR
15h 16m
1 stop
British Airways Logo
16:40 - 19:50
LHR
-
PIT
8h 10mdirect
£655British Airways
Wed, 14 Oct - Tue, 20 Oct
JetBlue Logo
11:53 - 09:35
PIT
-
LGW
16h 42m
1 stop
JetBlue Logo
12:20 - 22:28
LGW
-
PIT
15h 08m
1 stop
£655JetBlue
Wed, 5 Aug - Wed, 12 Aug
British Airways Logo
21:15 - 09:40
PIT
-
LHR
7h 25mdirect
British Airways Logo
16:00 - 19:20
LHR
-
PIT
8h 20mdirect
£656British Airways
Wed, 11 Nov - Wed, 25 Nov
JetBlue Logo
11:53 - 09:35
PIT
-
LGW
16h 42m
1 stop
JetBlue Logo
12:20 - 22:28
LGW
-
PIT
15h 08m
1 stop
£656JetBlue
Wed, 5 Aug - Wed, 12 Aug
Icelandair Logo
20:25 - 11:55
PIT
-
LHR
10h 30m
1 stop
Icelandair Logo
21:25 - 19:15
LHR
-
PIT
26h 50m
1 stop
£656Icelandair
Fri, 7 Aug - Tue, 18 Aug
Icelandair Logo
20:25 - 11:55
PIT
-
LHR
10h 30m
1 stop
Icelandair Logo
21:25 - 19:15
LHR
-
PIT
26h 50m
1 stop
£657Icelandair
Fri, 21 Aug - Tue, 25 Aug

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Delta flights from Pittsburgh to London

Our best Delta deals on Pittsburgh to London flight tickets
Delta
11 Nov
PIT14:30Pittsburgh
11h 25m
1 stop
LHR06:55London Heathrow
25 Nov
LHR10:00London Heathrow
17h 38m
2 stops
PIT22:38Pittsburgh
£647
Delta
18 Oct
PIT19:47Pittsburgh
13h 03m
2 stops
LHR13:50London Heathrow
27 Oct
LHR06:30London Heathrow
16h 37m
2 stops
PIT19:07Pittsburgh
£653
Delta
18 Oct
PIT19:47Pittsburgh
13h 03m
2 stops
LHR13:50London Heathrow
27 Oct
LHR06:30London Heathrow
16h 37m
2 stops
PIT19:07Pittsburgh
£653

British Airways flights from Pittsburgh to London

Our best British Airways deals on Pittsburgh to London flight tickets
British Airways
14 Oct
PIT10:34Pittsburgh
15h 16m
1 stop
LHR06:50London Heathrow
20 Oct
LHR16:40London Heathrow
8h 10m
PIT19:50Pittsburgh
£655
British Airways
11 Nov
PIT21:15Pittsburgh
7h 25m
LHR09:40London Heathrow
25 Nov
LHR16:00London Heathrow
8h 20m
PIT19:20Pittsburgh
£656
British Airways
21 Oct
PIT21:45Pittsburgh
7h 20m
LHR10:05London Heathrow
23 Oct
LHR16:40London Heathrow
8h 10m
PIT19:50Pittsburgh
£658

momondo Fare Finder

 
Customise your flight search to find flights from Pittsburgh to London 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 7 July 2026.
Use the filters below to find and compare flights from Pittsburgh to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Sat 31/10

19:20-07:10

2 stops31h 50m

London Heathrow

Wed 11/11

06:35-18:36

2 stops17h 01m

£650

PittsburghLondon

PIT - LGW

PITLGW

Pittsburgh

Wed 5/8

12:59-10:00

1 stop16h 01m

London Gatwick

Tue 11/8

14:00-12:04

1 stop27h 04m

£653

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Sun 18/10

19:47-13:50

2 stops13h 03m

London Heathrow

Tue 27/10

06:30-19:07

2 stops16h 37m

£653

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Sun 18/10

19:47-13:50

2 stops13h 03m

London Heathrow

Tue 27/10

06:30-19:07

2 stops16h 37m

£653

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Wed 14/10

10:34-06:50

1 stop15h 16m

London Heathrow

Tue 20/10

16:40-19:50

Nonstop8h 10m

£655

PittsburghLondon

PIT - LGW

PITLGW

Pittsburgh

Wed 5/8

11:53-09:35

1 stop16h 42m

London Gatwick

Wed 12/8

12:20-22:28

1 stop15h 08m

£655
Fastest return journey

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Wed 11/11

21:15-09:40

Nonstop7h 25m

London Heathrow

Wed 25/11

16:00-19:20

Nonstop8h 20m

£656

PittsburghLondon

PIT - LGW

PITLGW

Pittsburgh

Wed 5/8

11:53-09:35

1 stop16h 42m

London Gatwick

Wed 12/8

12:20-22:28

1 stop15h 08m

£656

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Fri 7/8

20:25-11:55

1 stop10h 30m

London Heathrow

Tue 18/8

21:25-19:15

1 stop26h 50m

£656

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Fri 21/8

20:25-11:55

1 stop10h 30m

London Heathrow

Tue 25/8

21:25-19:15

1 stop26h 50m

£657

Flights are sorted by cheapest return flights first.

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

See travel insights to London from

How to get the cheapest flight ticket from Pittsburgh to London

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Pittsburgh and London?

What is the cheapest month to fly to London?

The cheapest month to fly to London from Pittsburgh is in October. Flight prices, which tend to average around £23, are often lower during this time because this is during the off-season. The month of September is another great option to travel to London, with average flight prices from Pittsburgh averaging around £23.

What is the cheapest day to depart on your flight to London?

Our data shows that Thursday is the least expensive day to fly to London. Tickets to fly out on this day can be as low as £411. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Pittsburgh to London for around £961.

What is the cheapest Pittsburgh to London flight route?

Fly from Pittsburgh to London Heathrow for the best Pittsburgh - London flight prices

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

You are more likely to see cheaper flights to London from Pittsburgh when booking weeks ahead of your departure date. In general, you can expect to find flights to London for around £703 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from Pittsburgh for as low as £585 on momondo.

What cabin class options are available on Pittsburgh to London flights?

There is only 1 cabin class available to choose from on Pittsburgh to London flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Pittsburgh to London flights?

No. A direct flight is the cheapest option for a flight between Pittsburgh to London.

How have Pittsburgh to London flight prices changed over time?

As of July 2026, prices for Pittsburgh to London flights are approximately 44% cheaper when compared to flights at the same time last year.

When to book flights from Pittsburgh to London

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

Cheap Pittsburgh to London (PIT to LON) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Pittsburgh to London

Best price found

£696

Fastest flight time

7h 15m

Direct flights

Every day

Airports in London

6 airports
The best flight deal from Pittsburgh to London found on momondo in the last 72 hours is £696
The fastest flight from Pittsburgh to London takes 7h 15m
Direct flights go from Pittsburgh to London every day.
There are 6 airports in London. From Pittsburgh there are direct flights to London Heathrow (LHR).
Search flight deals

Frequently asked questions about flying from Pittsburgh to London

  • How far is Pittsburgh to London by plane?

    The distance between Pittsburgh and London is about 3712.9 mi. In terms of flight time, this usually takes a little over 7h 15m.

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

    Prices for flights from Pittsburgh Airport to London were last updated today.

  • How many operators does momondo search for flights from Pittsburgh Airport to London?

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Pittsburgh Airport to London.

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

    The travel and health documents you'll need for your trip to London 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. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Pittsburgh to London?

  • What is the most popular airline from Pittsburgh to London?

Best airlines flying from Pittsburgh to London

Compare and see reviews for airlines that fly from Pittsburgh to London with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom £399Free CancellationRating
6.7
8,101 reviews
Search British Airways flights

  • British Airways Flights From Pittsburgh to London

    British Airways is one of the most popular airlines flying from Pittsburgh to London, operating 6 flights/week on average for this route. A good British Airways flight deal for Pittsburgh to London starts from £399 round-trip, up to an average price of £500. Our users have rated British Airways at 6.7/10.

Travelling to a place near London?

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

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to London from Pittsburgh.

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

Yes. All flights to London from Pittsburgh on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once all potential Pittsburgh to London flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Price alerts on flights to London from Pittsburgh are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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Find better results for your trip to the United Kingdom

Fly into one of these airports located in London

Airports listed have a maximum distance of 35.6 mi from London
London City Airport
London Gatwick Airport
London Heathrow Airport
London Luton Airport
London Southend Airport
London Stansted Airport