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Cheap flights from Pittsburgh to London from £170

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 19/7. 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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Cheap return flights

Enter your travel dates to find the best prices.
Delta Logo
17:56 - 13:15
PIT
-
LHR
14h 19m
2 stops
Delta Logo
06:30 - 17:58
LHR
-
PIT
16h 28m
2 stops
£701Delta
Wed, 19 Aug - Tue, 1 Sep
British Airways Logo
21:50 - 10:05
PIT
-
LHR
7h 15mdirect
British Airways Logo
16:40 - 19:55
LHR
-
PIT
8h 15mdirect
£708British Airways
Sun, 9 Aug - Tue, 25 Aug
Multiple Airlines Logo
20:25 - 19:15
PIT
-
STN
41h 50m
2 stops
Multiple Airlines Logo
11:25 - 18:40
STN
-
PIT
12h 15m
1 stop
£710Multiple Airlines
Wed, 30 Sep - Sun, 11 Oct
JetBlue Logo
12:58 - 09:35
PIT
-
LGW
15h 37m
1 stop
JetBlue Logo
12:20 - 19:48
LGW
-
PIT
12h 28m
1 stop
£712JetBlue
Wed, 24 Jun - Tue, 7 Jul
JetBlue Logo
13:00 - 06:55
PIT
-
LHR
13h 55m
1 stop
JetBlue Logo
09:20 - 20:00
LHR
-
PIT
15h 40m
1 stop
£713JetBlue
Fri, 30 Oct - Sat, 7 Nov
Icelandair Logo
18:30 - 14:40
PIT
-
LGW
15h 10m
2 stops
Icelandair Logo
14:40 - 08:27
LGW
-
PIT
45h 47m
2 stops
£714Icelandair
Wed, 21 Oct - Mon, 26 Oct
Multiple Airlines Logo
20:25 - 18:50
PIT
-
STN
17h 25m
2 stops
Multiple Airlines Logo
20:00 - 19:15
STN
-
PIT
28h 15m
2 stops
£714Multiple Airlines
Mon, 22 Jun - Sun, 28 Jun
Icelandair Logo
18:30 - 20:20
PIT
-
LHR
20h 50m
2 stops
Icelandair Logo
20:35 - 08:27
LHR
-
PIT
39h 52m
2 stops
£715Icelandair
Wed, 21 Oct - Mon, 26 Oct
Air Canada Logo
10:45 - 06:30
PIT
-
LHR
14h 45m
2 stops
Air Canada Logo
09:30 - 14:53
LHR
-
PIT
10h 23m
1 stop
£716Air Canada
Tue, 11 Aug - Wed, 26 Aug
Air Canada Logo
12:15 - 08:35
PIT
-
LHR
15h 20m
2 stops
Air Canada Logo
09:30 - 14:53
LHR
-
PIT
10h 23m
1 stop
£717Air Canada
Wed, 12 Aug - Tue, 25 Aug

Delta flights from Pittsburgh to London

Our best Delta deals on Pittsburgh to London flight tickets
Delta
19 Aug
PIT17:56Pittsburgh
14h 19m
2 stops
LHR13:15London Heathrow
1 Sept
LHR06:30London Heathrow
16h 28m
2 stops
PIT17:58Pittsburgh
£700
Delta
4 Sept
PIT19:07Pittsburgh
10h 33m
1 stop
LHR10:40London Heathrow
19 Sept
LHR08:40London Heathrow
17h 49m
2 stops
PIT21:29Pittsburgh
£720
Delta
24 Sept
PIT12:15Pittsburgh
13h 30m
2 stops
LHR06:45London Heathrow
3 Oct
LHR06:30London Heathrow
15h 32m
2 stops
PIT17:02Pittsburgh
£723

Icelandair flights from Pittsburgh to London

Our best Icelandair deals on Pittsburgh to London flight tickets
Icelandair
21 Oct
PIT18:30Pittsburgh
15h 10m
2 stops
LGW14:40London Gatwick
26 Oct
LGW14:40London Gatwick
45h 47m
2 stops
PIT08:27Pittsburgh
£714
Icelandair
21 Oct
PIT18:30Pittsburgh
20h 50m
2 stops
LHR20:20London Heathrow
26 Oct
LHR20:35London Heathrow
39h 52m
2 stops
PIT08:27Pittsburgh
£715
Icelandair
4 Sept
PIT20:25Pittsburgh
13h 15m
1 stop
LGW14:40London Gatwick
19 Sept
LGW15:40London Gatwick
32h 35m
1 stop
PIT19:15Pittsburgh
£724

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 5 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 - LHR

PITLHR

Pittsburgh

Wed 19/8

17:56-13:15

2 stops14h 19m

London Heathrow

Tue 1/9

06:30-17:58

2 stops16h 28m

£700
Fastest return journey

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Sun 9/8

21:50-10:05

Nonstop7h 15m

London Heathrow

Tue 25/8

16:40-19:55

Nonstop8h 15m

£708

PittsburghLondon

PIT - STN

PITSTN

Pittsburgh

Wed 30/9

20:25-19:15

2 stops41h 50m

London Stansted

Sun 11/10

11:25-18:40

1 stop12h 15m

£710

PittsburghLondon

PIT - LGW

PITLGW

Pittsburgh

Wed 24/6

12:58-09:35

1 stop15h 37m

London Gatwick

Tue 7/7

12:20-19:48

1 stop12h 28m

£712

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Fri 30/10

13:00-06:55

1 stop13h 55m

London Heathrow

Sat 7/11

09:20-20:00

1 stop15h 40m

£713

PittsburghLondon

PIT - LGW

PITLGW

Pittsburgh

Wed 21/10

18:30-14:40

2 stops15h 10m

London Gatwick

Mon 26/10

14:40-08:27

2 stops45h 47m

£714

PittsburghLondon

PIT - STN

PITSTN

Pittsburgh

Mon 22/6

20:25-18:50

2 stops17h 25m

London Stansted

Sun 28/6

20:00-19:15

2 stops28h 15m

£714

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Wed 21/10

18:30-20:20

2 stops20h 50m

London Heathrow

Mon 26/10

20:35-08:27

2 stops39h 52m

£715

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Tue 11/8

10:45-06:30

2 stops14h 45m

London Heathrow

Wed 26/8

09:30-14:53

1 stop10h 23m

£716

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Wed 12/8

12:15-08:35

2 stops15h 20m

London Heathrow

Tue 25/8

09:30-14:53

1 stop10h 23m

£717

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 £901.

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 £676 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 £521 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 27% 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

£242

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 £242
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 £397Free CancellationRating
6.7
8,028 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 4 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 £497. 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
Gatwick
Luton
Wembley
Slough
Maidstone
Southend-on-Sea
Ipswich
Ilford
Canterbury
Guildford
Hayes
Folkestone
Chelmsford
Dover
Bedford
Chichester
Harlow
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