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Cheap flights from Pittsburgh to London from £125

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 2/9. 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
19:13 - 10:00
PIT
-
LGW
33h 47m
1 stop
Multiple Airlines Logo
14:00 - 17:07
LGW
-
PIT
32h 07m
2 stops
£660Multiple Airlines
Fri, 7 Aug - Wed, 12 Aug
SWISS Logo
14:09 - 17:50
PIT
-
LGW
22h 41m
2 stops
SWISS Logo
18:40 - 20:41
LGW
-
PIT
31h 01m
2 stops
£660SWISS
Tue, 10 Nov - Tue, 17 Nov
Multiple Airlines Logo
19:59 - 06:55
PIT
-
LHR
29h 56m
1 stop
Multiple Airlines Logo
17:40 - 20:37
LHR
-
PIT
31h 57m
1 stop
£660Multiple Airlines
Sat, 10 Oct - Tue, 13 Oct
JetBlue Logo
08:40 - 06:30
PIT
-
LHR
16h 50m
1 stop
JetBlue Logo
08:40 - 19:23
LHR
-
PIT
15h 43m
1 stop
£669JetBlue
Sun, 23 Aug - Mon, 7 Sep
JetBlue Logo
13:00 - 06:55
PIT
-
LHR
12h 55m
1 stop
JetBlue Logo
12:20 - 23:42
LHR
-
PIT
16h 22m
1 stop
£670JetBlue
Fri, 6 Nov - Thu, 12 Nov
Air Canada Logo
19:15 - 06:30
PIT
-
LHR
31h 15m
1 stop
Air Canada Logo
11:10 - 18:31
LHR
-
PIT
12h 21m
1 stop
£676Air Canada
Sat, 31 Oct - Wed, 11 Nov
Air Canada Logo
19:15 - 21:00
PIT
-
LHR
21h 45m
2 stops
Air Canada Logo
13:00 - 18:31
LHR
-
PIT
34h 31m
2 stops
£679Air Canada
Sat, 31 Oct - Wed, 11 Nov
Icelandair Logo
20:25 - 11:55
PIT
-
LHR
10h 30m
1 stop
Icelandair Logo
21:25 - 19:15
LHR
-
PIT
26h 50m
1 stop
£679Icelandair
Fri, 7 Aug - Tue, 18 Aug
KLM Logo
19:55 - 07:15
PIT
-
LCY
30h 20m
2 stops
KLM Logo
20:05 - 18:37
LCY
-
PIT
27h 32m
2 stops
£707KLM
Sat, 14 Nov - Sun, 22 Nov
KLM Logo
11:59 - 07:15
PIT
-
LCY
14h 16m
2 stops
KLM Logo
09:20 - 21:37
LCY
-
PIT
17h 17m
2 stops
£723KLM
Sun, 16 Aug - Tue, 25 Aug

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British Airways flights from Pittsburgh to London

Our best British Airways deals on Pittsburgh to London flight tickets
British Airways
17 Oct
PIT21:45Pittsburgh
7h 20m
LHR10:05London Heathrow
28 Oct
LHR16:00London Heathrow
8h 20m
PIT20:20Pittsburgh
£713
British Airways
8 Sept
PIT10:17Pittsburgh
16h 48m
1 stop
LHR08:05London Heathrow
15 Sept
LHR16:40London Heathrow
8h 15m
PIT19:55Pittsburgh
£720
British Airways
10 Aug
PIT21:50Pittsburgh
7h 15m
LHR10:05London Heathrow
19 Aug
LHR10:15London Heathrow
11h 02m
1 stop
PIT16:17Pittsburgh
£725

JetBlue flights from Pittsburgh to London

Our best JetBlue deals on Pittsburgh to London flight tickets
JetBlue
23 Aug
PIT08:40Pittsburgh
16h 50m
1 stop
LHR06:30London Heathrow
7 Sept
LHR08:40London Heathrow
15h 43m
1 stop
PIT19:23Pittsburgh
£669
JetBlue
6 Nov
PIT13:00Pittsburgh
12h 55m
1 stop
LHR06:55London Heathrow
12 Nov
LHR12:20London Heathrow
16h 22m
1 stop
PIT23:42Pittsburgh
£670
JetBlue
15 Sept
PIT06:00Pittsburgh
9h 45m
1 stop
LHR20:45London Heathrow
1 Oct
LHR11:55London Heathrow
16h 49m
1 stop
PIT23:44Pittsburgh
£675

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 29 June 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

Fri 7/8

19:13-10:00

1 stop33h 47m

London Gatwick

Wed 12/8

14:00-17:07

2 stops32h 07m

£660

PittsburghLondon

PIT - LGW

PITLGW

Pittsburgh

Tue 10/11

14:09-17:50

2 stops22h 41m

London Gatwick

Tue 17/11

18:40-20:41

2 stops31h 01m

£660

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Sat 10/10

19:59-06:55

1 stop29h 56m

London Heathrow

Tue 13/10

17:40-20:37

1 stop31h 57m

£660

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Sun 23/8

08:40-06:30

1 stop16h 50m

London Heathrow

Mon 7/9

08:40-19:23

1 stop15h 43m

£669
Fastest return journey

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Fri 6/11

13:00-06:55

1 stop12h 55m

London Heathrow

Thu 12/11

12:20-23:42

1 stop16h 22m

£670

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Sat 31/10

19:15-06:30

1 stop31h 15m

London Heathrow

Wed 11/11

11:10-18:31

1 stop12h 21m

£676

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Sat 31/10

19:15-21:00

2 stops21h 45m

London Heathrow

Wed 11/11

13:00-18:31

2 stops34h 31m

£679

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

£679

PittsburghLondon

PIT - LCY

PITLCY

Pittsburgh

Sat 14/11

19:55-07:15

2 stops30h 20m

London City

Sun 22/11

20:05-18:37

2 stops27h 32m

£707

PittsburghLondon

PIT - LCY

PITLCY

Pittsburgh

Sun 16/8

11:59-07:15

2 stops14h 16m

London City

Tue 25/8

09:20-21:37

2 stops17h 17m

£723

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 £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 £416. 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 £972.

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 £712 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 £566 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 June 2026, prices for Pittsburgh to London flights are approximately 17% more expensive 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

£704

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 £704
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 £404Free CancellationRating
6.7
8,082 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 1 flight/week on average for this route. A good British Airways flight deal for Pittsburgh to London starts from £404 round-trip, up to an average price of £506. 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
Canterbury
Folkestone
Guildford
Hayes
Chichester
Hastings
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