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Cheap flights from Pittsburgh to London Heathrow Airport from £161

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/11. Fares are subject to change and may not be available on all flights or dates of travel.
PIT — LHR
24 Aug — 31 Aug1
1 adult

Cheapflights Tip: The best prices from Pittsburgh to London Heathrow are usually found in January or October, booked 52 days in advance, depart on a Thursday or Wednesday and return on a Wednesday

Cheap flight deals from Pittsburgh to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Pittsburgh (PIT) to Heathrow (LHR). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 19 August 2025.

Round-trip from

£402

One-way from

£161

Popular in

June

Cheapest in

January

Average price

£586

Good round-trip deal

£645 or less
British Airways
  • British Airways
  • 8/10-15/10
  • Nonstop
  • 15h 30m total
  • Pittsburgh to London
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12/11
  • 12/11
  • 2 total stops
  • 20h 09m total
  • Pittsburgh to London
Search Deals
Highest demand for flights based on searches. 19% potential increase in price (£114 potential increase over avg. return price).
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Cheapest flight prices on average. 4% potential price decrease (£20 potential savings vs. average return price).
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Average for round-trip flights in August 2025
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Price to beat on a round-trip flight from Pittsburgh to London Heathrow.
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Find flight deals from Pittsburgh to Heathrow

Cheapest flights from Pittsburgh to Heathrow
Explore the most affordable flight options available from Pittsburgh to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 19 August 2025.

Wed 8/1021:40PIT - LHR
Nonstop7h 25mBritish Airways
Wed 15/1016:40LHR - PIT
Nonstop8h 05mBritish Airways
Deal found 18/8£402
Thu 11/920:30PIT - LHR
1 stop18h 50mIcelandair
Mon 15/921:25LHR - PIT
1 stop26h 55mIcelandair
Deal found 18/8£403
Fri 14/1106:40PIT - LHR
3 stops25h 15mMultiple Airlines
Sun 16/1106:40LHR - PIT
3 stops20h 57mMultiple Airlines
Deal found 17/8£405
Tue 26/813:40PIT - LHR
1 stop13h 25mBritish Airways
Tue 2/916:40LHR - PIT
Nonstop8h 05mBritish Airways
Deal found 18/8£406
Mon 10/1121:05PIT - LHR
Nonstop7h 25mIberia
Wed 19/1116:00LHR - PIT
Nonstop8h 20mIberia
Deal found 18/8£406
Wed 3/917:13PIT - LHR
1 stop10h 52mBritish Airways
Tue 9/916:40LHR - PIT
Nonstop8h 05mBritish Airways
Deal found 18/8£409
Mon 8/921:40PIT - LHR
Nonstop7h 25mBritish Airways
Mon 15/919:30LHR - PIT
2 stops25h 33mBritish Airways
Deal found 18/8£410
Tue 26/817:36PIT - LHR
1 stop12h 29mAmerican Airlines
Tue 2/916:40LHR - PIT
Nonstop8h 05mAmerican Airlines
Deal found 18/8£411
Thu 11/920:30PIT - LHR
1 stop18h 50mIcelandair
Wed 17/921:25LHR - PIT
1 stop26h 55mIcelandair
Deal found 18/8£412
Tue 11/1115:04PIT - LHR
1 stop11h 16mBritish Airways
Tue 18/1112:35LHR - PIT
1 stop13h 39mBritish Airways
Deal found 18/8£413
Sun 7/917:34PIT - LHR
1 stop10h 31mBritish Airways
Tue 16/909:15LHR - PIT
1 stop12h 38mBritish Airways
Deal found 18/8£414

Cheapflights Fare Finder

 
Customise your flight search to find flights from Pittsburgh to Heathrow 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, Cheapflights users made 858,174 searches. Data last updated 19 August 2025.
Use the filters below to find and compare flights from Pittsburgh to London Heathrow Airport that are best for you.

Fly from

Pittsburgh

Fly to

Heathrow

Route

Depart

Return

Price

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Wed 8/10

21:40-10:05

Nonstop7h 25m

London Heathrow

Wed 15/10

16:40-19:45

Nonstop8h 05m

£402

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Thu 11/9

20:30-20:20

1 stop18h 50m

London Heathrow

Mon 15/9

21:25-19:20

1 stop26h 55m

£403

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Wed 1/10

12:54-06:50

1 stop12h 56m

London Heathrow

Wed 15/10

16:40-19:45

Nonstop8h 05m

£406

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Tue 11/11

18:47-11:15

1 stop11h 28m

London Heathrow

Wed 19/11

16:00-19:20

Nonstop8h 20m

£406

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Thu 11/9

20:30-20:20

1 stop18h 50m

London Heathrow

Wed 17/9

21:25-19:20

1 stop26h 55m

£412

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Wed 3/9

12:54-06:20

1 stop12h 26m

London Heathrow

Fri 12/9

12:30-20:10

1 stop12h 40m

£413

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Sun 7/9

17:34-09:05

1 stop10h 31m

London Heathrow

Tue 16/9

09:15-16:53

1 stop12h 38m

£414

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Wed 24/9

11:09-07:40

1 stop15h 31m

London Heathrow

Tue 30/9

09:45-16:08

1 stop11h 23m

£418

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Tue 11/11

09:46-09:15

2 stops18h 29m

London Heathrow

Wed 19/11

10:35-18:12

1 stop12h 37m

£429

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Wed 12/11

20:26-21:35

2 stops20h 09m

£161

Flights are sorted by cheapest return flights first.

Deals found on 18/8

Showing 1-10 of 16 results
1
2

Best time to book a flight from Pittsburgh to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Pittsburgh with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Pittsburgh to London Heathrow Airport

How far ahead should I book a flight from Pittsburgh to London Heathrow Airport?

Use this chart to determine the optimal time to book a return flight from Pittsburgh to Heathrow. Price data was last updated on 8 August 2025.

To ensure you get the cheapest price possible for a flight from Pittsburgh to London Heathrow Airport, you should look to book at least 52 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Pittsburgh to London Heathrow Airport?

Currently, January is the cheapest month in which you can book a flight from Pittsburgh to London Heathrow Airport (average of £112). Flying from Pittsburgh to London Heathrow Airport in August is currently the most expensive (average of £164). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from PIT to LHR?

Find hourly flight availability from Pittsburgh to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 19 August 2025.

One of the essential ways to save on airfare from Pittsburgh to London Heathrow Airport is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the morning could potentially save you up to 16% on airfare.

Weekly flight availability from Pittsburgh to London Heathrow Airport

Explore weekly flight availability from Pittsburgh to Heathrow. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 19 August 2025.

The most flights from PIT to LHR are scheduled on a Friday (9 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (6 on average).

What’s the top stopover airport for flights from Pittsburgh to London Heathrow Airport?

Share of one-stop return flights from Pittsburgh to London Heathrow Airport chosen by Cheapflights users in the past 12 months, using the same stopover each way.

Boston (BOS) – chosen by Cheapflights users on 50% of one-stop itineraries from Pittsburgh to London Heathrow Airport on Cheapflights.

What’s the cheapest stopover airport for flights from Pittsburgh to London Heathrow Airport?

Average return fare for one-stop flights from Pittsburgh to London Heathrow Airport, chosen by Cheapflights users in the past 12 months, with the same stopover each way.

Reykjavik (KEF) is the most affordable one-stop option, with an average return flight price of £444.

What’s the fastest stopover option from Pittsburgh to London Heathrow Airport?

Shortest average travel time for one-stop one-way flights from Pittsburgh to London Heathrow Airport, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.

Flights via Boston (BOS) have the shortest average one-way travel time for one-stop routes: 10h 48m.

Which airport typically offers the quickest stopover for flights from Pittsburgh to London Heathrow Airport?

Average stopover duration for one-stop one-way flights from Pittsburgh to London Heathrow Airport, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Boston (BOS) offer the fastest connection on this route, with an average stopover time of 4h 40m.

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Heathrow. Reviews last updated 19 August 2025.
See what other customers who have flown with British Airways from Pittsburgh to London Heathrow Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
British Airways
6.7
Okay
7,283 reviews
Check prices

Comfort

6.7

Entertainment

6.4

Overall

6.7

Boarding

6.9

Crew

7.6

Food

6.3

Reviews

1 / 20
4.0
Okay

Anonymous,May 2025

LAX - LHR

Entertainment system did not work. Seems like Wi-Fi should have been comped at hat point. Boarding at Marco Polo in Venice was terrible. Insisted on gate checking our bag but not others! Connection was confused and flight was very late.
British Airways
6.7
Okay
7,283 reviews
British Airways
6.7
Okay
7,283 reviews
Check prices

Comfort

6.7

Entertainment

6.4

Overall

6.7

Boarding

6.9

Crew

7.6

Food

6.3

Reviews

1 / 20
4.0
Okay

Anonymous,May 2025

LAX - LHR

Entertainment system did not work. Seems like Wi-Fi should have been comped at hat point. Boarding at Marco Polo in Venice was terrible. Insisted on gate checking our bag but not others! Connection was confused and flight was very late.

Related info for your journey

Find useful and relevant information for your journey from Pittsburgh to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Pittsburgh to London Heathrow?

    Most people fly from Pittsburgh (PIT) if they book a flight from Pittsburgh to London Heathrow. On average, Pittsburgh has 6 outbound flights to London Heathrow per day from 1 airline. Pittsburgh is conveniently located just 13.5 mi from Pittsburgh’s city center.

  • How long is the flight from Pittsburgh to London Heathrow Airport?

    A quick flight from Pittsburgh to London Heathrow Airport can take about 7h 25m. British Airways provides one of the quickest options available for as low as £402. The distance from Pittsburgh to London Heathrow Airport is about 3708 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What is the cheapest airline to fly from Pittsburgh to London Heathrow Airport round-trip?

    Our cheapest airline available from Pittsburgh to London Heathrow Airport is British Airways. Our recent data shows that you can find tickets from as low as £469 on this airline. This flight start at 25% lower than the current average price 3 months from now.

  • What are the most reliable airlines from Pittsburgh to London Heathrow Airport?

    No one likes to see their flight delayed. When booking a flight from Pittsburgh to London Heathrow Airport consider choosing Iberia (61%), American Airlines (58%) or Aer Lingus (58%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Pittsburgh to London Heathrow Airport?

    Looking at all options, your cheapest flight can be booked for £408. While the most popular route (Pittsburgh - London Heathrow) can be booked for £368 on average our data indicates £721 when flying from Pittsburgh to London Heathrow Airport.

  • Can I find deals for flights from Pittsburgh to Heathrow that include hotel bookings?

    Yes. In addition to deals on Pittsburgh to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Pittsburgh to Heathrow?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Pittsburgh to Heathrow.

  • Can I find deals for business class flights from Pittsburgh to Heathrow?

    Yes. Cheapflights offers flight deals from Pittsburgh to Heathrow by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Pittsburgh to London Heathrow Airport?

    Currently, January is the cheapest month in which you can book a flight from Pittsburgh to London Heathrow Airport (average of £112). Flying from Pittsburgh to London Heathrow Airport in August is currently the most expensive (average of £164). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Milton Keynes
Croydon
Hounslow
Gatwick
Slough
Northampton
Deal
Luton
Wembley
Ilford
Crawley
Hayes
Watford
Folkestone
Ipswich
Winchester
Swindon
Eastbourne
Chichester
Southend-on-Sea

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Pittsburgh to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Pittsburgh to Heathrow

Discover the top airline that operate flights from Pittsburgh to Heathrow. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 19 August 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£469Average£683FlexibilityNo cancel feeOn-time70%
Search British Airways flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Pittsburgh to Heathrow?

When you search for this flight from Pittsburgh to Heathrow, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Pittsburgh to Heathrow?

Cheapflights helps you find that perfect flight to Heathrow from Pittsburgh by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Pittsburgh to Heathrow with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Pittsburgh to Heathrow flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Pittsburgh to Heathrow become cheaper?

Yes, Cheapflights offers price alerts on Pittsburgh to Heathrow flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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