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Cheap flights from Pittsburgh to London Heathrow Airport from £166

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 1/12. Fares are subject to change and may not be available on all flights or dates of travel.
PIT — LHR
27 Dec — 3 Jan1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from Pittsburgh to London Heathrow are usually found in October or January, booked 22 days in advance, depart on a Thursday or Wednesday and return on a Tuesday

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 27 November 2025.

Round-trip from

£481

One-way from

£166

Popular in

June

Cheapest in

October

Average price

£580

Good round-trip deal

£476 or less
JetBlue
  • JetBlue
  • 10/3-16/3
  • 2 total stops
  • 24h 05m total
  • Pittsburgh to London
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1/12
  • 1/12
  • 2 total stops
  • 28h 48m total
  • Pittsburgh to London
Search Deals
Highest demand for flights based on searches. 19% potential increase in price (£119 potential increase over avg. return price).
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Cheapest flight prices on average. 4% potential price decrease (£22 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 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

Enter your travel dates to find the best prices.

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 27 November 2025.

Thu 27/1106:01PIT - LHR
1 stop10h 39mJetBlue
Thu 4/1209:20LHR - PIT
1 stop11h 59mJetBlue
Deal found 26/11£482
Sun 7/1213:00PIT - LHR
2 stops15h 00mDelta
Sun 14/1213:05LHR - PIT
1 stop14h 49mDelta
Deal found 26/11£492
Wed 3/1214:10PIT - LHR
2 stops13h 20mMultiple Airlines
Mon 8/1213:25LHR - PIT
2 stops15h 13mMultiple Airlines
Deal found 26/11£494
Fri 12/1207:00PIT - LHR
2 stops19h 10mUnited Airlines
Thu 25/1206:50LHR - PIT
2 stops22h 09mUnited Airlines
Deal found 26/11£496
Wed 10/1214:10PIT - LHR
1 stop10h 45mLufthansa
Fri 9/112:05LHR - PIT
1 stop11h 56mLufthansa
Deal found 25/11£501
Wed 10/1209:00PIT - LHR
2 stops17h 10mAir Canada
Fri 9/113:25LHR - PIT
2 stops32h 49mAir Canada
Deal found 26/11£505
Sat 6/1217:51PIT - LHR
1 stop12h 24mLufthansa
Sat 13/1216:20LHR - PIT
1 stop12h 09mLufthansa
Deal found 25/11£514
Wed 10/1214:10PIT - LHR
2 stops13h 20mMultiple Airlines
Fri 9/113:25LHR - PIT
2 stops14h 48mMultiple Airlines
Deal found 25/11£519
Thu 27/1106:01PIT - LHR
1 stop10h 39mJetBlue
Tue 2/1209:20LHR - PIT
1 stop16h 28mJetBlue
Deal found 25/11£520
Sun 7/1217:55PIT - LHR
2 stops17h 25mAir Canada
Sun 14/1213:25LHR - PIT
2 stops32h 49mAir Canada
Deal found 26/11£523
Wed 10/1214:10PIT - LHR
1 stop12h 45mMultiple Airlines
Mon 15/1206:00LHR - PIT
2 stops19h 50mMultiple Airlines
Deal found 25/11£524

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 27 November 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

Mon 16/2

06:00-20:45

1 stop9h 45m

London Heathrow

Wed 25/2

09:20-21:43

1 stop17h 23m

£481

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Wed 11/3

06:00-21:40

1 stop11h 40m

London Heathrow

Mon 16/3

09:20-17:45

1 stop12h 25m

£481

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Mon 16/2

13:43-06:25

1 stop11h 42m

London Heathrow

Mon 23/2

06:20-17:14

2 stops15h 54m

£489

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Wed 7/1

08:00-06:25

1 stop17h 25m

London Heathrow

Sat 17/1

06:20-18:53

2 stops17h 33m

£489

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Thu 12/3

06:00-21:40

1 stop11h 40m

London Heathrow

Tue 17/3

09:20-17:45

1 stop12h 25m

£492

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Fri 1/5

17:11-11:10

1 stop12h 59m

London Heathrow

Wed 6/5

09:55-22:13

2 stops17h 18m

£501

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Mon 9/3

06:00-20:45

1 stop10h 45m

London Heathrow

Tue 17/3

09:20-17:45

1 stop12h 25m

£503

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Tue 10/3

06:00-21:40

1 stop11h 40m

London Heathrow

Mon 16/3

12:20-23:55

1 stop15h 35m

£503

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Fri 13/3

07:15-12:55

3 stops25h 40m

London Heathrow

Sun 22/3

19:50-21:32

3 stops29h 42m

£505

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Tue 31/3

21:45-10:05

Nonstop7h 20m

London Heathrow

Tue 7/4

16:40-19:50

Nonstop8h 10m

£505

Flights are sorted by cheapest return flights first.

Deals found on 24/11

Showing 1-10 of 18 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 21 November 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 22 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, September is the cheapest month in which you can book a flight from Pittsburgh to London Heathrow Airport (average of £404). Flying from Pittsburgh to London Heathrow Airport in June is currently the most expensive (average of £723). 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 27 November 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 at midday tend to be the most expensive. A flight in the morning could potentially save you up to 21% on airfare.

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 27 November 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
7,539 reviews
Check prices

Comfort

6.7

Food

6.3

Entertainment

6.4

Overall

6.7

Boarding

6.9

Crew

7.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

IAD - LHR

The plane had to load and unload passengers not through a jet way but out on the tarmac at Heathrow. The steps were steep. We weren't expecting to have to carry our luggage up and down stairs.
British Airways
6.7
Okay
7,539 reviews
British Airways
6.7
Okay
7,539 reviews
Check prices

Comfort

6.7

Food

6.3

Entertainment

6.4

Overall

6.7

Boarding

6.9

Crew

7.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

IAD - LHR

The plane had to load and unload passengers not through a jet way but out on the tarmac at Heathrow. The steps were steep. We weren't expecting to have to carry our luggage up and down stairs.

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 3 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 9h 45m. JetBlue provides one of the quickest options available for as low as £481. 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 £404 on this airline. This flight start at 37% 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 American Airlines (73%), Aer Lingus (73%) or Finnair (73%) 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 £462. While the most popular route (Pittsburgh - London Heathrow) can be booked for £441 on average, our data indicates £480 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, September is the cheapest month in which you can book a flight from Pittsburgh to London Heathrow Airport (average of £404). Flying from Pittsburgh to London Heathrow Airport in June is currently the most expensive (average of £723). 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
Slough
Croydon
Hounslow
Northampton
Gatwick
Luton
Ilford
Wembley
Deal
Hayes
Colchester
Watford
Brentford
Winchester
Swindon
Crawley
Romford
Chichester
Bedford

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 27 November 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£404Average£567FlexibilityNo 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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