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Cheap flights from Pittsburgh to London from £177

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 27/7. 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.
British Airways Logo
21:50 - 10:05
PIT
-
LHR
7h 15mdirect
British Airways Logo
16:40 - 19:50
LHR
-
PIT
8h 10mdirect
£700British Airways
Tue, 22 Sep - Mon, 12 Oct
SWISS Logo
10:45 - 07:55
PIT
-
LHR
16h 10m
2 stops
SWISS Logo
06:00 - 17:14
LHR
-
PIT
16h 14m
2 stops
£701SWISS
Thu, 13 Aug - Wed, 9 Sep
Delta Logo
17:15 - 13:15
PIT
-
LHR
15h 00m
2 stops
Delta Logo
06:30 - 17:02
LHR
-
PIT
15h 32m
2 stops
£701Delta
Tue, 8 Sep - Wed, 16 Sep
Air Canada Logo
12:15 - 10:00
PIT
-
LHR
16h 45m
2 stops
Air Canada Logo
08:40 - 20:38
LHR
-
PIT
16h 58m
2 stops
£702Air Canada
Wed, 19 Aug - Wed, 26 Aug
Icelandair Logo
20:25 - 14:40
PIT
-
LGW
13h 15m
1 stop
Icelandair Logo
15:40 - 08:27
LGW
-
PIT
21h 47m
2 stops
£703Icelandair
Fri, 25 Sep - Fri, 2 Oct
Delta Logo
14:20 - 09:30
PIT
-
LCY
14h 10m
2 stops
Delta Logo
10:00 - 22:14
LCY
-
PIT
17h 14m
2 stops
£704Delta
Tue, 22 Sep - Mon, 12 Oct
JetBlue Logo
11:53 - 09:35
PIT
-
LGW
16h 42m
1 stop
JetBlue Logo
12:20 - 19:48
LGW
-
PIT
12h 28m
1 stop
£704JetBlue
Wed, 22 Jul - Wed, 29 Jul
Scandinavian Airlines Logo
16:25 - 18:30
PIT
-
LHR
21h 05m
2 stops
Scandinavian Airlines Logo
06:40 - 00:19
LHR
-
PIT
21h 39m
2 stops
£704Scandinavian Airlines
Sat, 17 Oct - Mon, 26 Oct
JetBlue Logo
11:53 - 09:35
PIT
-
LGW
16h 42m
1 stop
JetBlue Logo
12:20 - 22:28
LGW
-
PIT
15h 08m
1 stop
£705JetBlue
Mon, 3 Aug - Fri, 7 Aug
Icelandair Logo
20:25 - 11:45
PIT
-
LGW
10h 20m
1 stop
Icelandair Logo
15:40 - 09:05
LGW
-
PIT
22h 25m
2 stops
£710Icelandair
Mon, 10 Aug - Wed, 19 Aug

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SWISS flights from Pittsburgh to London

Our best SWISS deals on Pittsburgh to London flight tickets
SWISS
13 Aug
PIT10:45Pittsburgh
16h 10m
2 stops
LHR07:55London Heathrow
9 Sept
LHR06:00London Heathrow
16h 14m
2 stops
PIT17:14Pittsburgh
£701
SWISS
11 Nov
PIT14:10Pittsburgh
22h 40m
2 stops
LGW17:50London Gatwick
16 Nov
LGW18:40London Gatwick
31h 11m
2 stops
PIT20:51Pittsburgh
£704
SWISS
25 Aug
PIT14:11Pittsburgh
17h 49m
2 stops
LHR13:00London Heathrow
16 Sept
LHR06:00London Heathrow
16h 14m
2 stops
PIT17:14Pittsburgh
£705

Icelandair flights from Pittsburgh to London

Our best Icelandair deals on Pittsburgh to London flight tickets
Icelandair
25 Sept
PIT20:25Pittsburgh
13h 15m
1 stop
LGW14:40London Gatwick
2 Oct
LGW15:40London Gatwick
21h 47m
2 stops
PIT08:27Pittsburgh
£703
Icelandair
10 Aug
PIT20:25Pittsburgh
10h 20m
1 stop
LGW11:45London Gatwick
19 Aug
LGW15:40London Gatwick
22h 25m
2 stops
PIT09:05Pittsburgh
£710
Icelandair
26 Aug
PIT20:25Pittsburgh
10h 30m
1 stop
LHR11:55London Heathrow
15 Sept
LHR13:05London Heathrow
24h 22m
2 stops
PIT08:27Pittsburgh
£718

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 17 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
Fastest return journey

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Tue 22/9

21:50-10:05

Nonstop7h 15m

London Heathrow

Mon 12/10

16:40-19:50

Nonstop8h 10m

£700

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Thu 13/8

10:45-07:55

2 stops16h 10m

London Heathrow

Wed 9/9

06:00-17:14

2 stops16h 14m

£701

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Tue 8/9

17:15-13:15

2 stops15h 00m

London Heathrow

Wed 16/9

06:30-17:02

2 stops15h 32m

£701

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Wed 19/8

12:15-10:00

2 stops16h 45m

London Heathrow

Wed 26/8

08:40-20:38

2 stops16h 58m

£702

PittsburghLondon

PIT - LGW

PITLGW

Pittsburgh

Fri 25/9

20:25-14:40

1 stop13h 15m

London Gatwick

Fri 2/10

15:40-08:27

2 stops21h 47m

£703

PittsburghLondon

PIT - LCY

PITLCY

Pittsburgh

Tue 22/9

14:20-09:30

2 stops14h 10m

London City

Mon 12/10

10:00-22:14

2 stops17h 14m

£704

PittsburghLondon

PIT - LGW

PITLGW

Pittsburgh

Wed 22/7

11:53-09:35

1 stop16h 42m

London Gatwick

Wed 29/7

12:20-19:48

1 stop12h 28m

£704

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Sat 17/10

16:25-18:30

2 stops21h 05m

London Heathrow

Mon 26/10

06:40-00:19

2 stops21h 39m

£704

PittsburghLondon

PIT - LGW

PITLGW

Pittsburgh

Mon 3/8

11:53-09:35

1 stop16h 42m

London Gatwick

Fri 7/8

12:20-22:28

1 stop15h 08m

£705

PittsburghLondon

PIT - LGW

PITLGW

Pittsburgh

Mon 10/8

20:25-11:45

1 stop10h 20m

London Gatwick

Wed 19/8

15:40-09:05

2 stops22h 25m

£710

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 £409. 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 £902.

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 £704 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 £557 on momondo.

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

There are 3 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 June 2026, prices for Pittsburgh to London flights are approximately 24% 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

£243

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 £243
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 £398Free CancellationRating
6.7
8,054 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 £398 round-trip, up to an average price of £501. 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
Milton Keynes
Gatwick
Luton
Slough
Southend-on-Sea
Maidstone
Ipswich
Ilford
Canterbury
Folkestone
Guildford
Hayes
Bedford
Chichester
Dover
Harlow
Chelmsford
Colchester

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