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Cheap flights from Pittsburgh to London from £172

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 16/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Cheap return flights

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Scandinavian Airlines Logo
11:15 - 16:25
PIT
-
LHR
24h 10m3 stops
Scandinavian Airlines Logo
06:40 - 21:22
LHR
-
PIT
19h 42m2 stops
£473Scandinavian Airlines
Wed, 21 Jan - Sat, 31 Jan
Scandinavian Airlines Logo
11:30 - 16:00
PIT
-
LHR
24h 30m3 stops
Scandinavian Airlines Logo
06:40 - 23:02
LHR
-
PIT
21h 22m2 stops
£474Scandinavian Airlines
Tue, 17 Mar - Tue, 31 Mar
Multiple Airlines Logo
18:51 - 10:00
PIT
-
LGW
34h 09m1 stop
Multiple Airlines Logo
14:00 - 23:00
LGW
-
PIT
14h 00m1 stop
£475Multiple Airlines
Wed, 18 Feb - Fri, 27 Feb
Lufthansa Logo
15:00 - 06:40
PIT
-
LHR
11h 40m1 stop
Lufthansa Logo
09:30 - 21:05
LHR
-
PIT
15h 35m2 stops
£476Lufthansa
Wed, 11 Mar - Wed, 25 Mar
Scandinavian Airlines Logo
11:30 - 14:35
PIT
-
LHR
23h 05m3 stops
Scandinavian Airlines Logo
19:50 - 21:32
LHR
-
PIT
29h 42m3 stops
£476Scandinavian Airlines
Wed, 11 Mar - Mon, 23 Mar
Lufthansa Logo
14:57 - 06:40
PIT
-
LHR
10h 43m1 stop
Lufthansa Logo
07:25 - 23:31
LHR
-
PIT
21h 06m2 stops
£479Lufthansa
Wed, 7 Jan - Thu, 23 Apr
Multiple Airlines Logo
19:08 - 10:00
PIT
-
LGW
33h 52m1 stop
Multiple Airlines Logo
14:00 - 23:00
LGW
-
PIT
14h 00m1 stop
£481Multiple Airlines
Sun, 1 Mar - Thu, 5 Mar
JetBlue Logo
06:00 - 20:45
PIT
-
LHR
9h 45m1 stop
JetBlue Logo
12:20 - 23:55
LHR
-
PIT
16h 35m1 stop
£488JetBlue
Sun, 11 Jan - Tue, 20 Jan
SWISS Logo
14:09 - 17:50
PIT
-
LGW
22h 41m2 stops
SWISS Logo
18:40 - 20:41
LGW
-
PIT
31h 01m2 stops
£498SWISS
Mon, 12 Jan - Wed, 21 Jan
SWISS Logo
10:50 - 17:50
PIT
-
LGW
26h 00m2 stops
SWISS Logo
18:35 - 16:50
LGW
-
PIT
27h 15m2 stops
£510SWISS
Sun, 19 Apr - Thu, 30 Apr

Scandinavian Airlines flights from Pittsburgh to London

Our best Scandinavian Airlines deals on Pittsburgh to London flight tickets
Scandinavian Airlines
21 Jan
PIT11:15Pittsburgh
24h 10m
3 stops
LHR16:25London Heathrow
31 Jan
LHR06:40London Heathrow
19h 42m
2 stops
PIT21:22Pittsburgh
£473
Find similar
Scandinavian Airlines
17 Mar
PIT11:30Pittsburgh
24h 30m
3 stops
LHR16:00London Heathrow
31 Mar
LHR06:40London Heathrow
21h 22m
2 stops
PIT23:02Pittsburgh
£474
Find similar
Scandinavian Airlines
11 Mar
PIT11:30Pittsburgh
23h 05m
3 stops
LHR14:35London Heathrow
23 Mar
LHR19:50London Heathrow
29h 42m
3 stops
PIT21:32Pittsburgh
£476
Find similar

American Airlines flights from Pittsburgh to London

Our best American Airlines deals on Pittsburgh to London flight tickets
American Airlines
12 Jan
PIT15:17Pittsburgh
11h 03m
1 stop
LHR07:20London Heathrow
21 Jan
LHR16:00London Heathrow
8h 20m
PIT19:20Pittsburgh
£504
Find similar
American Airlines
17 Dec
PIT15:04Pittsburgh
13h 11m
1 stop
LHR09:15London Heathrow
24 Dec
LHR16:00London Heathrow
8h 20m
PIT19:20Pittsburgh
£895
Find similar

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 12 December 2025.
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 - LHR

PITLHR

Pittsburgh

Wed 21/1

11:15-16:25

3 stops24h 10m

London Heathrow

Sat 31/1

06:40-21:22

2 stops19h 42m

£473

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Tue 17/3

11:30-16:00

3 stops24h 30m

London Heathrow

Tue 31/3

06:40-23:02

2 stops21h 22m

£474

PittsburghLondon

PIT - LGW

PITLGW

Pittsburgh

Wed 18/2

18:51-10:00

1 stop34h 09m

London Gatwick

Fri 27/2

14:00-23:00

1 stop14h 00m

£475

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Wed 11/3

15:00-06:40

1 stop11h 40m

London Heathrow

Wed 25/3

09:30-21:05

2 stops15h 35m

£476

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Wed 11/3

11:30-14:35

3 stops23h 05m

London Heathrow

Mon 23/3

19:50-21:32

3 stops29h 42m

£476

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Wed 7/1

14:57-06:40

1 stop10h 43m

London Heathrow

Thu 23/4

07:25-23:31

2 stops21h 06m

£479

PittsburghLondon

PIT - LGW

PITLGW

Pittsburgh

Sun 1/3

19:08-10:00

1 stop33h 52m

London Gatwick

Thu 5/3

14:00-23:00

1 stop14h 00m

£481

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Sun 11/1

06:00-20:45

1 stop9h 45m

London Heathrow

Tue 20/1

12:20-23:55

1 stop16h 35m

£488

PittsburghLondon

PIT - LGW

PITLGW

Pittsburgh

Mon 12/1

14:09-17:50

2 stops22h 41m

London Gatwick

Wed 21/1

18:40-20:41

2 stops31h 01m

£498

PittsburghLondon

PIT - LGW

PITLGW

Pittsburgh

Sun 19/4

10:50-17:50

2 stops26h 00m

London Gatwick

Thu 30/4

18:35-16:50

2 stops27h 15m

£510

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 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 £504, are often lower during this time because this is during the off-season. The month of January is another great option to travel to London, with average flight prices from Pittsburgh averaging around £507.

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 £474. 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 £808.

What is the cheapest time of day to depart on your flight to London?

The cheapest time of day to fly to London is in the evening when flights can be purchased for as low as £640. Flights in the afternoon are often more expensive, with an average ticket price of £660.

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 £638 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 £571 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 December 2025, prices for Pittsburgh to London flights are approximately 41% 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

£470

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 £470
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 £398Free CancellationRating
6.7
7,571 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 £553. 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
Canterbury
Southend-on-Sea
Ipswich
Ilford
Guildford
Hayes
Chelmsford
Dover
Worthing
Colchester
Bedford
Ramsgate
Hounslow
Stansted

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