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Cheap flights from Pittsburgh to London from £212

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 3/3. 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

Enter your travel dates to find the best prices.
British Airways Logo
21:15 - 09:40
PIT
-
LHR
7h 25mdirect
British Airways Logo
14:45 - 23:28
LHR
-
PIT
13h 43m
1 stop
£467British Airways
Mon, 9 Feb - Tue, 17 Feb
Air Canada Logo
17:55 - 06:30
PIT
-
LHR
31h 35m
1 stop
Air Canada Logo
19:25 - 17:14
LHR
-
PIT
26h 49m
2 stops
£468Air Canada
Mon, 9 Feb - Mon, 16 Feb
British Airways Logo
16:00 - 07:50
PIT
-
LHR
10h 50m
1 stop
British Airways Logo
14:45 - 23:28
LHR
-
PIT
13h 43m
1 stop
£470British Airways
Mon, 9 Feb - Tue, 17 Feb
British Airways Logo
21:45 - 10:05
PIT
-
LHR
7h 20mdirect
British Airways Logo
16:40 - 19:50
LHR
-
PIT
8h 10mdirect
£471British Airways
Tue, 14 Apr - Tue, 28 Apr
Delta Logo
12:21 - 07:05
PIT
-
LHR
13h 44m
1 stop
Delta Logo
06:20 - 17:18
LHR
-
PIT
15h 58m
2 stops
£473Delta
Mon, 2 Feb - Wed, 11 Feb
Delta Logo
11:16 - 06:20
PIT
-
LHR
14h 04m
1 stop
Delta Logo
06:30 - 17:20
LHR
-
PIT
15h 50m
2 stops
£473Delta
Tue, 10 Feb - Tue, 17 Feb
Multiple Airlines Logo
17:55 - 06:35
PIT
-
LHR
31h 40m
1 stop
Multiple Airlines Logo
06:00 - 21:04
LHR
-
PIT
20h 04m
2 stops
£474Multiple Airlines
Sat, 25 Apr - Tue, 5 May
Air Canada Logo
08:56 - 07:10
PIT
-
LHR
17h 14m
2 stops
Air Canada Logo
11:10 - 17:14
LHR
-
PIT
11h 04m
1 stop
£475Air Canada
Mon, 2 Feb - Wed, 11 Feb
United Airlines Logo
17:57 - 06:45
PIT
-
LHR
31h 48m
1 stop
United Airlines Logo
14:05 - 14:48
LHR
-
PIT
29h 43m
1 stop
£476United Airlines
Sat, 25 Apr - Wed, 13 May
Icelandair Logo
20:25 - 11:55
PIT
-
LHR
10h 30m
1 stop
Icelandair Logo
13:05 - 19:15
LHR
-
PIT
11h 10m
1 stop
£476Icelandair
Wed, 13 May - Wed, 20 May

British Airways flights from Pittsburgh to London Heathrow Airport

Our best British Airways deals on Pittsburgh to London Heathrow Airport flight tickets
British Airways
9 Feb
PIT21:15Pittsburgh
7h 25m
LHR09:40London Heathrow
17 Feb
LHR14:45London Heathrow
13h 43m
1 stop
PIT23:28Pittsburgh
£467
British Airways
9 Feb
PIT16:00Pittsburgh
10h 50m
1 stop
LHR07:50London Heathrow
17 Feb
LHR14:45London Heathrow
13h 43m
1 stop
PIT23:28Pittsburgh
£470
British Airways
14 Apr
PIT21:45Pittsburgh
7h 20m
LHR10:05London Heathrow
28 Apr
LHR16:40London Heathrow
8h 10m
PIT19:50Pittsburgh
£471

Air Canada flights from Pittsburgh to London Heathrow Airport

Our best Air Canada deals on Pittsburgh to London Heathrow Airport flight tickets
Air Canada
9 Feb
PIT17:55Pittsburgh
31h 35m
1 stop
LHR06:30London Heathrow
16 Feb
LHR19:25London Heathrow
26h 49m
2 stops
PIT17:14Pittsburgh
£468
Air Canada
2 Feb
PIT08:56Pittsburgh
17h 14m
2 stops
LHR07:10London Heathrow
11 Feb
LHR11:10London Heathrow
11h 04m
1 stop
PIT17:14Pittsburgh
£475
Air Canada
20 Jan
PIT17:55Pittsburgh
21h 40m
2 stops
LHR20:35London Heathrow
28 Jan
LHR12:00London Heathrow
34h 14m
2 stops
PIT17:14Pittsburgh
£478

momondo Fare Finder

 
Customise your flight search to find flights from Pittsburgh to London Heathrow Airport 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 January 2026.
Use the filters below to find and compare flights from Pittsburgh to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Mon 9/2

21:15-09:40

Nonstop7h 25m

London Heathrow

Tue 17/2

14:45-23:28

1 stop13h 43m

£467

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Mon 9/2

17:55-06:30

1 stop31h 35m

London Heathrow

Mon 16/2

19:25-17:14

2 stops26h 49m

£468

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Mon 9/2

16:00-07:50

1 stop10h 50m

London Heathrow

Tue 17/2

14:45-23:28

1 stop13h 43m

£470

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Tue 14/4

21:45-10:05

Nonstop7h 20m

London Heathrow

Tue 28/4

16:40-19:50

Nonstop8h 10m

£471

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Mon 2/2

12:21-07:05

1 stop13h 44m

London Heathrow

Wed 11/2

06:20-17:18

2 stops15h 58m

£473

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Tue 10/2

11:16-06:20

1 stop14h 04m

London Heathrow

Tue 17/2

06:30-17:20

2 stops15h 50m

£473

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Sat 25/4

17:55-06:35

1 stop31h 40m

London Heathrow

Tue 5/5

06:00-21:04

2 stops20h 04m

£474

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Mon 2/2

08:56-07:10

2 stops17h 14m

London Heathrow

Wed 11/2

11:10-17:14

1 stop11h 04m

£475

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Sat 25/4

17:57-06:45

1 stop31h 48m

London Heathrow

Wed 13/5

14:05-14:48

1 stop29h 43m

£476

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

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 Heathrow Airport

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 Heathrow Airport?

In general, October is the cheapest month to fly from Pittsburgh to London Heathrow Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £507. The month of February is another great option to travel to London Heathrow Airport, with average flight prices from Pittsburgh averaging around £513.

What is the cheapest day to depart on your flight to London Heathrow Airport?

On average, the least expensive day to fly to London Heathrow Airport from Pittsburgh is on a Thursday. momondo users have found tickets for Thursday departures for as low as £471. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to London Heathrow Airport on Saturday is £759.

What is the cheapest Pittsburgh to London Heathrow flight route?

Fly from Pittsburgh to London Heathrow for the best Pittsburgh - London Heathrow flight prices

How far in advance should I book a flight to London Heathrow Airport?

You are more likely to see cheaper flights to London Heathrow Airport from Pittsburgh when booking weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around £634 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from Pittsburgh for as low as £533 on momondo.

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

There are 2 cabin classes available to choose from on Pittsburgh to London Heathrow 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 Heathrow Airport flights?

No. A direct flight is the cheapest option for a flight between Pittsburgh to London Heathrow Airport.

How have Pittsburgh to London Heathrow Airport flight prices changed over time?

As of January 2026, prices for Pittsburgh to London Heathrow Airport flights are approximately 28% cheaper when compared to flights at the same time last year.

When to book flights from Pittsburgh to London Heathrow Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Pittsburgh to London Heathrow Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Pittsburgh to London Heathrow Airport (PIT to LHR) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Pittsburgh to London Heathrow Airport

Best price found

£537

Fastest flight time

7h 20m

Direct flights

Every day
The best flight deal from Pittsburgh to London Heathrow Airport found on momondo in the last 72 hours is £537
The fastest flight from Pittsburgh to London Heathrow Airport takes 7h 20m
Direct flights go from Pittsburgh to London Heathrow Airport every day.
Search flight deals

  • How far is Pittsburgh to London Heathrow by plane?

    A flight from Pittsburgh to London Heathrow will travel around 3700.3 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 Heathrow Airport?

    Prices for flights from Pittsburgh Airport to London Heathrow Airport were last updated today.

  • How many operators does momondo search for flights from Pittsburgh Airport to London Heathrow Airport?

  • How old do you have to be to fly from Pittsburgh Airport to London Heathrow Airport?

    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 Heathrow Airport.

  • What documentation or ID do you need to fly to London Heathrow Airport?

    The travel and health documents you'll need for your trip to London Heathrow Airport 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 Heathrow Airport. 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 Heathrow Airport?

  • What is the most popular airline from Pittsburgh to London Heathrow Airport?

Best airlines flying from Pittsburgh to London Heathrow Airport

Compare and see reviews for airlines that fly from Pittsburgh to London Heathrow Airport with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom £396Free CancellationRating
6.7
7,665 reviews
Search British Airways flights

  • British Airways Flights From Pittsburgh to London Heathrow Airport

    The lowest priced British Airways flight from Pittsburgh to London Heathrow Airport from the last 72 hours was £396. Generally, British Airways has 3 flights on this route every week with an average price of £537. British Airways is rated 6.7/10 by our users.

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Eastbourne
Luton
Milton Keynes
Gatwick
Maidstone
Slough
Northampton
Stratford-upon-Avon
Swindon
Southend-on-Sea
Canterbury
Ipswich
Ilford
Poole
Guildford
Chelmsford
Hayes
Swanage
Dover
Worthing

Why use momondo?

Why should I use momondo to find a flight deal from Pittsburgh to London?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Pittsburgh to London for you.

Can I find flights from Pittsburgh to London with flexible booking policies on momondo?

momondo does allow users to show only those flights to London from Pittsburgh which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Pittsburgh to London?

momondo helps you find the best flight between Pittsburgh and London by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Pittsburgh to London right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to London from Pittsburgh. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your London Heathrow Airport 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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