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Cheap flights from Pittsburgh to London from £159

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 8/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Pittsburgh to London (PIT-LON)

Cheap return flights

Virgin Atlantic Logo
17:39 - 08:50PIT-LHR
10h 11m1 stop
Virgin Atlantic Logo
11:45 - 18:55LHR-PIT
12h 10m1 stop
£397Virgin Atlantic
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Mon, 8 Sep - Tue, 16 Sep
Icelandair Logo
20:30 - 14:40PIT-LGW
13h 10m1 stop
Icelandair Logo
15:40 - 19:20LGW-PIT
32h 40m1 stop
£402Icelandair
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Fri, 3 Oct - Mon, 13 Oct
British Airways Logo
21:40 - 10:05PIT-LHR
7h 25mdirect
British Airways Logo
16:40 - 19:45LHR-PIT
8h 05mdirect
£405British Airways
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Tue, 7 Oct - Tue, 14 Oct
British Airways Logo
17:23 - 10:30PIT-LHR
12h 07m1 stop
British Airways Logo
16:40 - 19:45LHR-PIT
8h 05mdirect
£405British Airways
Find Deal
Mon, 8 Sep - Tue, 16 Sep
American Airlines Logo
18:11 - 12:30PIT-LHR
13h 19m1 stop
American Airlines Logo
16:40 - 19:45LHR-PIT
8h 05mdirect
£412American Airlines
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Tue, 2 Sep - Tue, 9 Sep
Logo
17:39 - 08:50PIT-LHR
10h 11m1 stop
Logo
15:15 - 23:02LHR-PIT
12h 47m1 stop
£414
Find Deal
Mon, 8 Sep - Tue, 16 Sep
Delta Logo
10:25 - 08:55PIT-LHR
17h 30m1 stop
Delta Logo
06:15 - 15:54LHR-PIT
14h 39m2 stops
£414Delta
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Tue, 9 Sep - Thu, 18 Sep
Delta Logo
17:36 - 10:30PIT-LHR
11h 54m1 stop
Delta Logo
11:30 - 22:53LHR-PIT
16h 23m2 stops
£415Delta
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Mon, 8 Sep - Tue, 16 Sep
Logo
20:05 - 09:20PIT-LHR
32h 15m3 stops
Logo
06:40 - 19:56LHR-PIT
18h 16m2 stops
£443
Find Deal
Thu, 4 Sep - Sun, 7 Sep
American Airlines Logo
12:54 - 08:10PIT-LGW
14h 16m1 stop
American Airlines Logo
15:05 - 21:26LGW-PIT
11h 21m1 stop
£462American Airlines
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Mon, 8 Sep - Tue, 16 Sep

British Airways flights from Pittsburgh to London

Our best British Airways deals on Pittsburgh to London flight tickets
British Airways
7 Oct
PIT21:40Pittsburgh
7h 25m
LHR10:05London Heathrow
14 Oct
LHR16:40London Heathrow
8h 05m
PIT19:45Pittsburgh
£405
Find similar
British Airways
8 Sept
PIT17:23Pittsburgh
12h 07m
1 stop
LHR10:30London Heathrow
16 Sept
LHR16:40London Heathrow
8h 05m
PIT19:45Pittsburgh
£405
Find similar
British Airways
20 Oct
PIT21:40Pittsburgh
7h 25m
LHR10:05London Heathrow
31 Oct
LHR16:00London Heathrow
8h 20m
PIT20:20Pittsburgh
£407
Find similar

American Airlines flights from Pittsburgh to London

Our best American Airlines deals on Pittsburgh to London flight tickets
American Airlines
2 Sept
PIT18:11Pittsburgh
13h 19m
1 stop
LHR12:30London Heathrow
9 Sept
LHR16:40London Heathrow
8h 05m
PIT19:45Pittsburgh
£412
Find similar
American Airlines
1 Sept
PIT06:06Pittsburgh
10h 34m
1 stop
LHR21:40London Heathrow
17 Sept
LHR16:40London Heathrow
8h 05m
PIT19:45Pittsburgh
£413
Find similar
American Airlines
1 Sept
PIT13:51Pittsburgh
12h 49m
1 stop
LHR07:40London Heathrow
17 Sept
LHR16:40London Heathrow
8h 05m
PIT19:45Pittsburgh
£414
Find similar

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 22 August 2025.
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

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Mon 8/9

17:39-08:50

1 stop10h 11m

London Heathrow

Tue 16/9

11:45-18:55

1 stop12h 10m

£397

PittsburghLondon

PIT - LGW

PITLGW

Pittsburgh

Fri 3/10

20:30-14:40

1 stop13h 10m

London Gatwick

Mon 13/10

15:40-19:20

1 stop32h 40m

£402

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Tue 7/10

21:40-10:05

Nonstop7h 25m

London Heathrow

Tue 14/10

16:40-19:45

Nonstop8h 05m

£405

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Mon 8/9

17:23-10:30

1 stop12h 07m

London Heathrow

Tue 16/9

16:40-19:45

Nonstop8h 05m

£405

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Tue 2/9

18:11-12:30

1 stop13h 19m

London Heathrow

Tue 9/9

16:40-19:45

Nonstop8h 05m

£412

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Mon 8/9

17:39-08:50

1 stop10h 11m

London Heathrow

Tue 16/9

15:15-23:02

1 stop12h 47m

£414

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Tue 9/9

10:25-08:55

1 stop17h 30m

London Heathrow

Thu 18/9

06:15-15:54

2 stops14h 39m

£414

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Mon 8/9

17:36-10:30

1 stop11h 54m

London Heathrow

Tue 16/9

11:30-22:53

2 stops16h 23m

£415

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Thu 4/9

20:05-09:20

3 stops32h 15m

London Heathrow

Sun 7/9

06:40-19:56

2 stops18h 16m

£443

PittsburghLondon

PIT - LGW

PITLGW

Pittsburgh

Mon 8/9

12:54-08:10

1 stop14h 16m

London Gatwick

Tue 16/9

15:05-21:26

1 stop11h 21m

£462

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 January. Flight prices, which tend to average around £496, are often lower during this time because this is during the off-season. The month of October is another great option to travel to London, with average flight prices from Pittsburgh averaging around £513.

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 £520. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Pittsburgh to London for around £786.

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

The cheapest time of day to fly to London is at midday when flights can be purchased for as low as £638. Flights in the afternoon are often more expensive, with an average ticket price of £657.

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 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 £633 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 £565 on momondo.

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

There are 2 cabin classes 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?

You could potentially save up to 58% on your flight if you consider stops on a Pittsburgh to London flight.

How have Pittsburgh to London flight prices changed over time?

As of August 2025, prices for Pittsburgh to London flights are approximately 50% 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

£649

Fastest flight time

7h 20m

Direct flights

Every day

Airports in London

1 airport
The best flight deal from Pittsburgh to London found on momondo in the last 72 hours is £649
The fastest flight from Pittsburgh to London takes 7h 20m
Direct flights go from Pittsburgh to London every day.
There is 1 airport near London: London Heathrow (LHR)
Search flight deals

  • 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 25m.

  • 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 £472Free CancellationRating
6.7
7,292 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 9 flights/week on average for this route. A good British Airways flight deal for Pittsburgh to London starts from £634 round-trip, up to an average price of £924. 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
Milton Keynes
Luton
Maidstone
Slough
Gatwick
Canterbury
Southend-on-Sea
Ipswich
Ilford
Guildford
Colchester
Worthing
Dartford
Hounslow
Dover
Chelmsford
Hayes
Folkestone
Bedford

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