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Cheap flights from Pittsburgh to London from £174

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 17/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
20:25 - 22:40
PIT
-
LGW
21h 15m
2 stops
Multiple Airlines Logo
07:05 - 19:15
LGW
-
PIT
17h 10m
2 stops
£534Multiple Airlines
Sun, 10 May - Fri, 15 May
Multiple Airlines Logo
20:25 - 12:15
PIT
-
LGW
34h 50m
3 stops
Multiple Airlines Logo
07:05 - 19:15
LGW
-
PIT
17h 10m
2 stops
£536Multiple Airlines
Sun, 10 May - Fri, 15 May
Icelandair Logo
20:25 - 11:55
PIT
-
LHR
10h 30m
1 stop
Icelandair Logo
21:25 - 19:15
LHR
-
PIT
26h 50m
1 stop
£542Icelandair
Fri, 21 Aug - Tue, 1 Sep
Multiple Airlines Logo
20:25 - 07:00
PIT
-
LGW
29h 35m
3 stops
Multiple Airlines Logo
07:05 - 19:15
LGW
-
PIT
17h 10m
2 stops
£545Multiple Airlines
Sun, 10 May - Fri, 15 May
Virgin Atlantic Logo
11:25 - 09:15
PIT
-
LHR
16h 50m
1 stop
Virgin Atlantic Logo
10:45 - 17:19
LHR
-
PIT
11h 34m
1 stop
£552Virgin Atlantic
Mon, 30 Mar - Wed, 8 Apr
Icelandair Logo
20:25 - 14:40
PIT
-
LGW
13h 15m
1 stop
Icelandair Logo
15:40 - 19:15
LGW
-
PIT
32h 35m
1 stop
£553Icelandair
Mon, 10 Aug - Thu, 20 Aug
Lufthansa Logo
17:55 - 17:55
PIT
-
LCY
19h 00m
2 stops
Lufthansa Logo
09:15 - 23:53
LCY
-
PIT
19h 38m
2 stops
£608Lufthansa
Tue, 31 Mar - Tue, 7 Apr
Lufthansa Logo
17:55 - 17:55
PIT
-
LCY
19h 00m
2 stops
Lufthansa Logo
09:15 - 23:20
LCY
-
PIT
19h 05m
2 stops
£609Lufthansa
Tue, 31 Mar - Tue, 14 Apr
SWISS Logo
14:09 - 17:30
PIT
-
LCY
22h 21m
2 stops
SWISS Logo
09:15 - 20:58
LCY
-
PIT
16h 43m
2 stops
£630SWISS
Mon, 30 Mar - Tue, 14 Apr
SWISS Logo
10:54 - 18:40
PIT
-
LCY
26h 46m
2 stops
SWISS Logo
19:15 - 20:57
LCY
-
PIT
30h 42m
2 stops
£631SWISS
Sun, 23 Aug - Mon, 7 Sep

Icelandair flights from Pittsburgh to London

Our best Icelandair deals on Pittsburgh to London flight tickets
Icelandair
21 Aug
PIT20:25Pittsburgh
10h 30m
1 stop
LHR11:55London Heathrow
1 Sept
LHR21:25London Heathrow
26h 50m
1 stop
PIT19:15Pittsburgh
£542
Icelandair
10 Aug
PIT20:25Pittsburgh
13h 15m
1 stop
LGW14:40London Gatwick
20 Aug
LGW15:40London Gatwick
32h 35m
1 stop
PIT19:15Pittsburgh
£553
Icelandair
10 Aug
PIT20:25Pittsburgh
18h 55m
1 stop
LHR20:20London Heathrow
20 Aug
LHR21:25London Heathrow
26h 50m
1 stop
PIT19:15Pittsburgh
£554

Scandinavian Airlines flights from Pittsburgh to London

Our best Scandinavian Airlines deals on Pittsburgh to London flight tickets
Scandinavian Airlines
9 Sept
PIT10:30Pittsburgh
26h 10m
2 stops
LHR17:40London Heathrow
14 Sept
LHR06:40London Heathrow
22h 42m
2 stops
PIT00:22Pittsburgh
£567
Scandinavian Airlines
21 Apr
PIT11:26Pittsburgh
23h 59m
2 stops
LHR16:25London Heathrow
28 Apr
LHR06:40London Heathrow
19h 56m
2 stops
PIT21:36Pittsburgh
£571
Scandinavian Airlines
3 Sept
PIT07:20Pittsburgh
45h 00m
2 stops
LHR09:20London Heathrow
14 Sept
LHR06:40London Heathrow
22h 42m
2 stops
PIT00:22Pittsburgh
£575

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 15 March 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 - LGW

PITLGW

Pittsburgh

Sun 10/5

20:25-22:40

2 stops21h 15m

London Gatwick

Fri 15/5

07:05-19:15

2 stops17h 10m

£534

PittsburghLondon

PIT - LGW

PITLGW

Pittsburgh

Sun 10/5

20:25-12:15

3 stops34h 50m

London Gatwick

Fri 15/5

07:05-19:15

2 stops17h 10m

£536

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Fri 21/8

20:25-11:55

1 stop10h 30m

London Heathrow

Tue 1/9

21:25-19:15

1 stop26h 50m

£542

PittsburghLondon

PIT - LGW

PITLGW

Pittsburgh

Sun 10/5

20:25-07:00

3 stops29h 35m

London Gatwick

Fri 15/5

07:05-19:15

2 stops17h 10m

£545
Fastest return journey

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Mon 30/3

11:25-09:15

1 stop16h 50m

London Heathrow

Wed 8/4

10:45-17:19

1 stop11h 34m

£552

PittsburghLondon

PIT - LGW

PITLGW

Pittsburgh

Mon 10/8

20:25-14:40

1 stop13h 15m

London Gatwick

Thu 20/8

15:40-19:15

1 stop32h 35m

£553

PittsburghLondon

PIT - LCY

PITLCY

Pittsburgh

Tue 31/3

17:55-17:55

2 stops19h 00m

London City

Tue 7/4

09:15-23:53

2 stops19h 38m

£608

PittsburghLondon

PIT - LCY

PITLCY

Pittsburgh

Tue 31/3

17:55-17:55

2 stops19h 00m

London City

Tue 14/4

09:15-23:20

2 stops19h 05m

£609

PittsburghLondon

PIT - LCY

PITLCY

Pittsburgh

Mon 30/3

14:09-17:30

2 stops22h 21m

London City

Tue 14/4

09:15-20:58

2 stops16h 43m

£630

PittsburghLondon

PIT - LCY

PITLCY

Pittsburgh

Sun 23/8

10:54-18:40

2 stops26h 46m

London City

Mon 7/9

19:15-20:57

2 stops30h 42m

£631

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 £510, 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 £525.

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 £479. 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 £873.

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 £655 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 £537 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 March 2026, prices for Pittsburgh to London flights are approximately 18% 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 £403Free CancellationRating
6.7
7,792 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 3 flights/week on average for this route. A good British Airways flight deal for Pittsburgh to London starts from £403 round-trip, up to an average price of £637. 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
Ipswich
Canterbury
Ilford
Wembley
Guildford
Chelmsford
Hayes
Dover
Folkestone
Ramsgate
Worthing
Colchester
Chichester

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

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
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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