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Cheap flights from Pittsburgh to London from £168

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 8/5. 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

Cheap return flights

Enter your travel dates to find the best prices.
British Airways Logo
21:45 - 10:05
PIT
-
LHR
7h 20mdirect
British Airways Logo
16:40 - 19:50
LHR
-
PIT
8h 10mdirect
£507British Airways
Mon, 20 Apr - Wed, 29 Apr
British Airways Logo
21:45 - 10:05
PIT
-
LHR
7h 20mdirect
British Airways Logo
21:35 - 16:54
LHR
-
PIT
24h 19m
2 stops
£508British Airways
Mon, 30 Mar - Mon, 6 Apr
United Airlines Logo
07:20 - 21:00
PIT
-
LHR
32h 40m
2 stops
United Airlines Logo
06:50 - 16:50
LHR
-
PIT
15h 00m
2 stops
£508United Airlines
Sat, 4 Apr - Thu, 16 Apr
Air Canada Logo
17:55 - 08:30
PIT
-
LHR
10h 35m
1 stop
Air Canada Logo
08:30 - 17:18
LHR
-
PIT
13h 48m
1 stop
£509Air Canada
Mon, 23 Mar - Tue, 31 Mar
Multiple Airlines Logo
20:25 - 10:20
PIT
-
LGW
32h 55m
2 stops
Multiple Airlines Logo
14:00 - 15:35
LGW
-
PIT
30h 35m
1 stop
£509Multiple Airlines
Sun, 24 May - Tue, 2 Jun
British Airways Logo
19:34 - 09:40
PIT
-
LHR
10h 06m
1 stop
British Airways Logo
11:20 - 19:04
LHR
-
PIT
11h 44m
1 stop
£510British Airways
Wed, 11 Mar - Wed, 18 Mar
British Airways Logo
17:34 - 07:50
PIT
-
LHR
9h 16m
1 stop
British Airways Logo
16:40 - 19:50
LHR
-
PIT
8h 10mdirect
£511British Airways
Mon, 20 Apr - Wed, 29 Apr
SWISS Logo
10:54 - 08:20
PIT
-
LGW
16h 26m
2 stops
SWISS Logo
09:25 - 20:51
LGW
-
PIT
16h 26m
2 stops
£511SWISS
Mon, 10 Aug - Tue, 25 Aug
Multiple Airlines Logo
17:55 - 12:50
PIT
-
LHR
13h 55m
2 stops
Multiple Airlines Logo
06:55 - 17:18
LHR
-
PIT
15h 23m
2 stops
£513Multiple Airlines
Mon, 20 Apr - Wed, 29 Apr
SWISS Logo
10:54 - 08:40
PIT
-
LCY
16h 46m
2 stops
SWISS Logo
09:15 - 20:51
LCY
-
PIT
16h 36m
2 stops
£531SWISS
Mon, 10 Aug - Tue, 25 Aug

Air Canada flights from Pittsburgh to London

Our best Air Canada deals on Pittsburgh to London flight tickets
Air Canada
23 Mar
PIT17:55Pittsburgh
10h 35m
1 stop
LHR08:30London Heathrow
31 Mar
LHR08:30London Heathrow
13h 48m
1 stop
PIT17:18Pittsburgh
£509
Air Canada
6 May
PIT15:35Pittsburgh
9h 55m
1 stop
LHR06:30London Heathrow
19 May
LHR06:50London Heathrow
13h 03m
2 stops
PIT14:53Pittsburgh
£514
Air Canada
27 Apr
PIT17:55Pittsburgh
31h 40m
1 stop
LHR06:35London Heathrow
7 May
LHR06:50London Heathrow
13h 03m
2 stops
PIT14:53Pittsburgh
£517

Scandinavian Airlines flights from Pittsburgh to London

Our best Scandinavian Airlines deals on Pittsburgh to London flight tickets
Scandinavian Airlines
6 May
PIT07:13Pittsburgh
21h 22m
2 stops
LHR09:35London Heathrow
16 May
LHR06:40London Heathrow
23h 05m
2 stops
PIT00:45Pittsburgh
£523
Scandinavian Airlines
6 May
PIT07:13Pittsburgh
21h 22m
2 stops
LHR09:35London Heathrow
20 May
LHR18:40London Heathrow
32h 42m
2 stops
PIT22:22Pittsburgh
£536
Scandinavian Airlines
23 Apr
PIT07:13Pittsburgh
33h 27m
2 stops
LHR21:40London Heathrow
28 Apr
LHR06:40London Heathrow
21h 15m
2 stops
PIT22:55Pittsburgh
£540

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 28 February 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

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Mon 20/4

21:45-10:05

Nonstop7h 20m

London Heathrow

Wed 29/4

16:40-19:50

Nonstop8h 10m

£507

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Mon 30/3

21:45-10:05

Nonstop7h 20m

London Heathrow

Mon 6/4

21:35-16:54

2 stops24h 19m

£508

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Sat 4/4

07:20-21:00

2 stops32h 40m

London Heathrow

Thu 16/4

06:50-16:50

2 stops15h 00m

£508

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Mon 23/3

17:55-08:30

1 stop10h 35m

London Heathrow

Tue 31/3

08:30-17:18

1 stop13h 48m

£509

PittsburghLondon

PIT - LGW

PITLGW

Pittsburgh

Sun 24/5

20:25-10:20

2 stops32h 55m

London Gatwick

Tue 2/6

14:00-15:35

1 stop30h 35m

£509

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Wed 11/3

19:34-09:40

1 stop10h 06m

London Heathrow

Wed 18/3

11:20-19:04

1 stop11h 44m

£510

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Mon 20/4

17:34-07:50

1 stop9h 16m

London Heathrow

Wed 29/4

16:40-19:50

Nonstop8h 10m

£511

PittsburghLondon

PIT - LGW

PITLGW

Pittsburgh

Mon 10/8

10:54-08:20

2 stops16h 26m

London Gatwick

Tue 25/8

09:25-20:51

2 stops16h 26m

£511

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Mon 20/4

17:55-12:50

2 stops13h 55m

London Heathrow

Wed 29/4

06:55-17:18

2 stops15h 23m

£513

PittsburghLondon

PIT - LCY

PITLCY

Pittsburgh

Mon 10/8

10:54-08:40

2 stops16h 46m

London City

Tue 25/8

09:15-20:51

2 stops16h 36m

£531

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 October. Flight prices, which tend to average around £500, are often lower during this time because this is during the off-season. The month of August is another great option to travel to London, with average flight prices from Pittsburgh averaging around £515.

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 £470. 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 £801.

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 £637 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 £517 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?

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 February 2026, prices for Pittsburgh to London flights are approximately 6% 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

Fastest flight time

7h 20m

Direct flights

Every day

Airports in London

6 airports
The fastest flight from Pittsburgh to London takes 7h 20m
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

  • 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 20m.

  • 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 £395Free CancellationRating
6.7
7,772 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 2 flights/week on average for this route. A good British Airways flight deal for Pittsburgh to London starts from £395 round-trip, up to an average price of £619. 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
Gatwick
Maidstone
Slough
Southend-on-Sea
Canterbury
Ipswich
Ilford
Wembley
Guildford
Chelmsford
Hayes
Dover
Folkestone
Worthing
Colchester
Bedford
Ramsgate

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.

An easier way to manage your London trip

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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