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Cheap flights from Pittsburgh to London Heathrow Airport from £209

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 8/5. Fares are subject to change and may not be available on all flights or dates of travel.
PIT — LHR
6 Apr — 13 Apr1
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 Wednesday and return on a Tuesday

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 7 March 2026.

Tue 14/406:00
PIT
-
LHR
1 stop9h 45m
JetBlue
Tue 28/411:55
LHR
-
PIT
1 stop17h 04m
JetBlue
Deal found 3/3£516
Mon 23/306:00
PIT
-
LHR
1 stop10h 45m
JetBlue
Thu 26/312:20
LHR
-
PIT
1 stop15h 35m
JetBlue
Deal found 4/3£517
Sun 22/306:00
PIT
-
LHR
1 stop10h 45m
JetBlue
Mon 30/311:55
LHR
-
PIT
1 stop16h 54m
JetBlue
Deal found 3/3£518
Tue 28/408:54
PIT
-
LHR
2 stops16h 36m
Air Canada
Wed 13/506:50
LHR
-
PIT
2 stops13h 03m
Air Canada
Deal found 2/3£518
Mon 23/319:34
PIT
-
LHR
1 stop10h 06m
American Airlines
Tue 31/316:40
LHR
-
PIT
Nonstop8h 10m
American Airlines
Deal found 3/3£519
Fri 20/318:39
PIT
-
LHR
1 stop32h 16m
JetBlue
Thu 26/307:25
LHR
-
PIT
1 stop20h 30m
JetBlue
Deal found 2/3£520
Tue 14/419:12
PIT
-
LHR
1 stop12h 03m
Iberia
Tue 21/406:15
LHR
-
PIT
2 stops18h 09m
Iberia
Deal found 3/3£521
Tue 28/419:12
PIT
-
LHR
1 stop12h 03m
Iberia
Tue 12/506:15
LHR
-
PIT
2 stops18h 09m
Iberia
Deal found 2/3£521
Wed 30/915:35
PIT
-
LHR
1 stop13h 25m
Air Canada
Thu 8/1006:50
LHR
-
PIT
2 stops18h 47m
Air Canada
Deal found 2/3£522
Wed 1/419:05
PIT
-
LHR
1 stop12h 10m
Iberia
Tue 14/407:50
LHR
-
PIT
2 stops16h 34m
Iberia
Deal found 3/3£524
Wed 1/415:00
PIT
-
LHR
1 stop10h 55m
United Airlines
Fri 10/406:50
LHR
-
PIT
2 stops19h 08m
United Airlines
Deal found 2/3£524

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 7 March 2026.

Round-trip from

£516

One-way from

£209

Popular in

June

Cheapest in

October

Average price

£580
JetBlue
  • JetBlue
  • 14/4-28/4
  • 2 total stops
  • 26h 49m total
  • Pittsburgh to London
Search Deals
8/5
  • 8/5
  • 2 total stops
  • 31h 55m 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).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£22 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2026
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 7 March 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

Sun 29/3

11:56-06:25

1 stop13h 29m

London Heathrow

Wed 8/4

06:30-17:19

2 stops15h 49m

£524

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Mon 13/4

07:13-09:35

2 stops21h 22m

London Heathrow

Wed 22/4

07:05-22:55

3 stops20h 50m

£526

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Wed 1/4

11:25-09:15

1 stop16h 50m

London Heathrow

Wed 8/4

11:45-21:30

2 stops14h 45m

£543

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Thu 2/4

17:45-10:40

1 stop11h 55m

London Heathrow

Thu 9/4

09:55-22:46

2 stops17h 51m

£580

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Wed 2/9

15:35-10:00

1 stop13h 25m

London Heathrow

Sat 12/9

06:50-20:57

2 stops19h 07m

£596

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Tue 14/4

19:15-10:25

1 stop10h 10m

London Heathrow

Sat 25/4

08:30-17:18

1 stop13h 48m

£618
Fastest return journey

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Thu 21/5

06:00-20:45

1 stop9h 45m

London Heathrow

Thu 4/6

08:40-17:25

1 stop13h 45m

£654

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Mon 30/3

18:39-17:45

3 stops18h 06m

London Heathrow

Wed 8/4

06:00-19:55

2 stops18h 55m

£696

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Thu 9/7

16:25-21:40

2 stops24h 15m

London Heathrow

Thu 3/9

21:05-21:27

3 stops29h 22m

£702

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Tue 21/7

15:06-06:55

1 stop10h 49m

London Heathrow

Tue 28/7

14:05-13:09

2 stops28h 04m

£717

Flights are sorted by cheapest return flights first.

Deals found on 6/3

Showing 1-10 of 24 resultsSorted by cheapest first
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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 6 March 2026.

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 £399). Flying from Pittsburgh to London Heathrow Airport in June is currently the most expensive (average of £710). 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 7 March 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.

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 7 March 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
7,778 reviews
Check prices

Entertainment

6.4

Crew

7.6

Overall

6.7

Boarding

6.9

Food

6.4

Comfort

6.8

Reviews

1 / 20
2.0
Mediocre

Natasha,Feb 2026

SEA - LHR

I already said the thing about the list luggage, which actually this flight.
British Airways
6.7
Okay
7,778 reviews
British Airways
6.7
Okay
7,778 reviews
Check prices

Entertainment

6.4

Crew

7.6

Overall

6.7

Boarding

6.9

Food

6.4

Comfort

6.8

Reviews

1 / 20
2.0
Mediocre

Natasha,Feb 2026

SEA - LHR

I already said the thing about the list luggage, which actually this flight.

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 1 outbound flight 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 13h 29m. Delta provides one of the quickest options available for as low as £524. 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 £399 on this airline. This flight start at 38% 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 (69%), Aer Lingus (69%) or Finnair (69%) as they are the most reliable in getting you off to your destination on time.

  • 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 £399). Flying from Pittsburgh to London Heathrow Airport in June is currently the most expensive (average of £710). 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
Wembley
Northampton
Luton
Gatwick
Slough
Hounslow
Ilford
Hayes
Brentford
Colchester
Guildford
Watford
Kingston upon Thames
Eastbourne
Chelmsford
Ipswich
Swindon
Bedford

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 7 March 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£399Average£631FlexibilityNo 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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