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Cheap flights from Pittsburgh to London from £203

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 15/5. 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
0 bags

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Cheap return flights

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Multiple Airlines Logo
17:15 - 10:00
PIT
-
LGW
35h 45m1 stop
Multiple Airlines Logo
14:00 - 16:20
LGW
-
PIT
31h 20m1 stop
£472Multiple Airlines
Mon, 18 May - Tue, 26 May
British Airways Logo
21:45 - 10:05
PIT
-
LHR
7h 20mdirect
British Airways Logo
09:15 - 23:11
LHR
-
PIT
18h 56m2 stops
£472British Airways
Wed, 1 Apr - Tue, 7 Apr
Delta Logo
13:41 - 07:50
PIT
-
LHR
13h 09m1 stop
Delta Logo
06:20 - 18:32
LHR
-
PIT
17h 12m2 stops
£473Delta
Mon, 2 Feb - Wed, 11 Feb
Multiple Airlines Logo
17:15 - 10:00
PIT
-
LGW
35h 45m1 stop
Multiple Airlines Logo
14:00 - 16:20
LGW
-
PIT
31h 20m1 stop
£473Multiple Airlines
Mon, 18 May - Wed, 27 May
Delta Logo
17:04 - 08:05
PIT
-
LHR
10h 01m1 stop
Delta Logo
06:20 - 17:40
LHR
-
PIT
16h 20m2 stops
£474Delta
Mon, 19 Jan - Wed, 28 Jan
Icelandair Logo
20:25 - 11:55
PIT
-
LHR
10h 30m1 stop
Icelandair Logo
13:05 - 19:15
LHR
-
PIT
11h 10m1 stop
£476Icelandair
Wed, 13 May - Wed, 20 May
JetBlue Logo
09:00 - 06:55
PIT
-
LHR
16h 55m1 stop
JetBlue Logo
12:20 - 23:48
LHR
-
PIT
16h 28m1 stop
£477JetBlue
Fri, 6 Feb - Thu, 12 Feb
JetBlue Logo
06:00 - 21:40
PIT
-
LHR
10h 40m1 stop
JetBlue Logo
12:20 - 23:49
LHR
-
PIT
15h 29m1 stop
£478JetBlue
Wed, 4 Mar - Mon, 9 Mar
SWISS Logo
14:08 - 08:40
PIT
-
LCY
37h 32m2 stops
SWISS Logo
09:20 - 20:54
LCY
-
PIT
16h 34m2 stops
£500SWISS
Sun, 15 Feb - Wed, 25 Feb
SWISS Logo
14:05 - 12:55
PIT
-
LCY
17h 50m2 stops
SWISS Logo
19:10 - 20:54
LCY
-
PIT
30h 44m2 stops
£509SWISS
Wed, 18 Feb - Mon, 23 Feb

Icelandair flights from Pittsburgh to London

Our best Icelandair deals on Pittsburgh to London flight tickets
Icelandair
13 May
PIT20:25Pittsburgh
10h 30m
1 stop
LHR11:55London Heathrow
20 May
LHR13:05London Heathrow
11h 10m
1 stop
PIT19:15Pittsburgh
£476
Icelandair
15 May
PIT20:25Pittsburgh
10h 30m
1 stop
LHR11:55London Heathrow
21 May
LHR21:25London Heathrow
26h 50m
1 stop
PIT19:15Pittsburgh
£492
Icelandair
17 May
PIT20:25Pittsburgh
10h 30m
1 stop
LHR11:55London Heathrow
21 May
LHR21:25London Heathrow
26h 50m
1 stop
PIT19:15Pittsburgh
£509

British Airways flights from Pittsburgh to London

Our best British Airways deals on Pittsburgh to London flight tickets
British Airways
1 Apr
PIT21:45Pittsburgh
7h 20m
LHR10:05London Heathrow
7 Apr
LHR09:15London Heathrow
18h 56m
2 stops
PIT23:11Pittsburgh
£472
British Airways
11 Feb
PIT21:15Pittsburgh
7h 25m
LHR09:40London Heathrow
19 Feb
LHR12:55London Heathrow
11h 09m
1 stop
PIT19:04Pittsburgh
£475
British Airways
19 Jan
PIT15:17Pittsburgh
12h 58m
1 stop
LHR09:15London Heathrow
28 Jan
LHR11:00London Heathrow
12h 10m
1 stop
PIT18:10Pittsburgh
£477

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 9 January 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 - LGW

PITLGW

Pittsburgh

Mon 18/5

17:15-10:00

1 stop35h 45m

London Gatwick

Tue 26/5

14:00-16:20

1 stop31h 20m

£472

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Wed 1/4

21:45-10:05

Nonstop7h 20m

London Heathrow

Tue 7/4

09:15-23:11

2 stops18h 56m

£472

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Mon 2/2

13:41-07:50

1 stop13h 09m

London Heathrow

Wed 11/2

06:20-18:32

2 stops17h 12m

£473

PittsburghLondon

PIT - LGW

PITLGW

Pittsburgh

Mon 18/5

17:15-10:00

1 stop35h 45m

London Gatwick

Wed 27/5

14:00-16:20

1 stop31h 20m

£473

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Mon 19/1

17:04-08:05

1 stop10h 01m

London Heathrow

Wed 28/1

06:20-17:40

2 stops16h 20m

£474

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Wed 13/5

20:25-11:55

1 stop10h 30m

London Heathrow

Wed 20/5

13:05-19:15

1 stop11h 10m

£476

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Fri 6/2

09:00-06:55

1 stop16h 55m

London Heathrow

Thu 12/2

12:20-23:48

1 stop16h 28m

£477

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Wed 4/3

06:00-21:40

1 stop10h 40m

London Heathrow

Mon 9/3

12:20-23:49

1 stop15h 29m

£478

PittsburghLondon

PIT - LCY

PITLCY

Pittsburgh

Sun 15/2

14:08-08:40

2 stops37h 32m

London City

Wed 25/2

09:20-20:54

2 stops16h 34m

£500

PittsburghLondon

PIT - LCY

PITLCY

Pittsburgh

Wed 18/2

14:05-12:55

2 stops17h 50m

London City

Mon 23/2

19:10-20:54

2 stops30h 44m

£509

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 £505, 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 £517.

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 £472. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Pittsburgh to London for around £759.

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 £635 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 £533 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 January 2026, prices for Pittsburgh to London flights are approximately 13% 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

£533

Fastest flight time

7h 20m

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 £533
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 £397Free CancellationRating
6.7
7,659 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 £397 round-trip, up to an average price of £537. 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
Guildford
Chelmsford
Hayes
Dover
Worthing
Hounslow
Colchester
Bedford
Ramsgate
Folkestone

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