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Cheap flights from Pittsburgh to London Heathrow Airport from £235

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 24/8. Fares are subject to change and may not be available on all flights or dates of travel.
PIT — LHR
9 Jun — 16 Jun1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Pittsburgh to London Heathrow are usually found in October or February, booked 22 days in advance, depart on a Thursday or Tuesday and return on a Saturday

Cheap 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 10 May 2026.

Tue 24/1118:47
PIT
-
LHR
1 stop11h 28m
Multiple Airlines
Tue 1/1212:10
LHR
-
PIT
1 stop12h 00m
Multiple Airlines
Deal found 5/5£653
Wed 19/816:00
PIT
-
LHR
1 stop12h 05m
British Airways
Wed 26/810:30
LHR
-
PIT
1 stop10h 47m
British Airways
Deal found 6/5£655
Sun 10/506:00
PIT
-
LHR
1 stop9h 45m
JetBlue
Mon 18/508:15
LHR
-
PIT
1 stop20h 52m
JetBlue
Deal found 8/5£656
Mon 14/907:20
PIT
-
LHR
2 stops21h 15m
Scandinavian Airlines
Mon 21/906:40
LHR
-
PIT
2 stops22h 42m
Scandinavian Airlines
Deal found 7/5£656
Fri 8/510:00
PIT
-
LHR
1 stop15h 30m
JetBlue
Wed 13/511:55
LHR
-
PIT
1 stop17h 12m
JetBlue
Deal found 7/5£657
Sun 27/918:05
PIT
-
LHR
1 stop12h 15m
Delta
Tue 13/1011:15
LHR
-
PIT
1 stop12h 22m
Delta
Deal found 6/5£658
Wed 16/917:11
PIT
-
LHR
1 stop10h 39m
Delta
Fri 25/911:15
LHR
-
PIT
1 stop12h 28m
Delta
Deal found 8/5£659
Mon 21/921:50
PIT
-
LHR
Nonstop7h 15m
British Airways
Fri 25/916:40
LHR
-
PIT
Nonstop8h 15m
British Airways
Deal found 6/5£659
Sat 31/1020:19
PIT
-
LHR
1 stop31h 01m
British Airways
Wed 11/1116:00
LHR
-
PIT
Nonstop8h 20m
British Airways
Deal found 6/5£660
Sat 12/917:11
PIT
-
LHR
1 stop21h 59m
Delta
Tue 22/909:40
LHR
-
PIT
1 stop13h 18m
Delta
Deal found 8/5£662
Wed 23/912:53
PIT
-
LHR
1 stop12h 32m
Multiple Airlines
Sun 27/920:05
LHR
-
PIT
2 stops25h 52m
Multiple Airlines
Deal found 9/5£663

Find 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 10 May 2026.

Round-trip from

£655

One-way from

£235

Popular in

December

Cheapest in

October

Average price

£775

Good one-way deal

£675 or less
British Airways
  • British Airways
  • 19/8-26/8
  • 2 total stops
  • 22h 52m total
  • Pittsburgh to London
Search Deals
British Airways
  • British Airways
  • 14/9
  • Nonstop
  • 7h 15m total
  • Pittsburgh to London
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (£35 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£25 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 2026
Search Deals
Price to beat on a one-way flight from Pittsburgh to London Heathrow.
Search Deals

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 10 May 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

Cheapest return flight

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Sat 31/10

11:49-06:55

1 stop15h 06m

London Heathrow

Wed 11/11

06:30-18:54

2 stops17h 24m

£673
Fastest return journey

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Fri 16/10

21:45-10:05

Nonstop7h 20m

London Heathrow

Fri 23/10

15:15-22:58

1 stop12h 43m

£692

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Sat 15/8

12:17-10:20

2 stops17h 03m

London Heathrow

Sat 29/8

08:40-21:01

2 stops17h 21m

£714

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Thu 22/10

18:05-11:20

1 stop12h 15m

London Heathrow

Sun 1/11

08:55-21:26

2 stops17h 31m

£716

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Wed 28/10

16:20-10:50

2 stops14h 30m

London Heathrow

Wed 4/11

12:15-21:30

2 stops14h 15m

£728

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Thu 22/10

18:30-17:45

2 stops18h 15m

London Heathrow

Sun 1/11

08:15-08:27

3 stops29h 12m

£780

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Sat 1/8

19:59-06:55

1 stop29h 56m

London Heathrow

Wed 19/8

14:05-14:01

2 stops28h 56m

£790

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Fri 16/10

20:25-11:55

1 stop10h 30m

London Heathrow

Fri 23/10

21:25-08:27

2 stops40h 02m

£807

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Sun 2/8

10:13-07:15

1 stop16h 02m

London Heathrow

Sat 22/8

06:30-17:24

2 stops15h 54m

£816
Cheapest one-way

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Mon 3/8

17:56-13:15

2 stops14h 19m

£241

Flights are sorted by cheapest return flights first.

Deals found on 6/5

Showing 1-10 of 20 resultsSorted by cheapest first
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?

To ensure you get the cheapest price possible for a flight from Pittsburgh to London Heathrow Airport, you should look to book at least 21 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, October is the cheapest month in which you can book a flight from Pittsburgh to London Heathrow Airport (average of £502). Flying from Pittsburgh to London Heathrow Airport in December is currently the most expensive (average of £1,018). 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 10 May 2026.

When flying from Pittsburgh to London Heathrow Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How much does it cost for a return flight from Pittsburgh to London Heathrow Airport?

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 10 May 2026.
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
7,964 reviews
Check prices

Food

6.4

Crew

7.7

Entertainment

6.4

Boarding

6.9

Comfort

6.8

Overall

6.7

Reviews

1 / 20
10.0
Excellent

Viorica,Mar 2026

PHX - LHR

The food lately is just from poor to very poor. I bealeave that you can serve less quantities for more quality food. Exemple : at breakfast : omlete and vegetarian omlete ....I beleave with less work less personel could be provide some hummus and carrots and some boiled egss plus whatever snacks or drinks you wish....... Thank you in advance
British Airways
6.7
Okay
7,964 reviews
British Airways
6.7
Okay
7,964 reviews
Check prices

Food

6.4

Crew

7.7

Entertainment

6.4

Boarding

6.9

Comfort

6.8

Overall

6.7

Reviews

1 / 20
10.0
Excellent

Viorica,Mar 2026

PHX - LHR

The food lately is just from poor to very poor. I bealeave that you can serve less quantities for more quality food. Exemple : at breakfast : omlete and vegetarian omlete ....I beleave with less work less personel could be provide some hummus and carrots and some boiled egss plus whatever snacks or drinks you wish....... Thank you in advance

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 4 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 20m. Delta provides one of the quickest options available for as low as £692. 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 £391 on this airline. This flight start at 40% 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 (79%), Aer Lingus (79%) or Finnair (79%) 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 £642. While the most popular route (Pittsburgh - London Heathrow) can be booked for £587 on average, our data indicates £714 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, October is the cheapest month in which you can book a flight from Pittsburgh to London Heathrow Airport (average of £502). Flying from Pittsburgh to London Heathrow Airport in December is currently the most expensive (average of £1,018). 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
Hounslow
Croydon
Wembley
Northampton
Luton
Gatwick
Ilford
Slough
Hayes
Brentford
Colchester
Romford
Watford
Kingston upon Thames
Eastbourne
Swindon
Ipswich
Southend-on-Sea
Guildford

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 10 May 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£391Average£495FlexibilityNo 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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