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Cheap flights from Pittsburgh to London from £171

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 17/5. Fares are subject to change and may not be available on all flights or dates of travel.
PIT — LON
10 Apr — 17 Apr1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Pittsburgh to London are usually found in October or August, booked 76 days in advance, depart on a Thursday or Wednesday and return on a Tuesday

Cheap flight deals from Pittsburgh to London

Enter your travel dates to find the best prices.

Cheapest flights from Pittsburgh to London
Explore the most affordable flight options available from Pittsburgh to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 March 2026.

Mon 13/407:13
PIT
-
LHR
2 stops21h 22m
Scandinavian Airlines
Wed 22/406:40
LHR
-
PIT
2 stops21h 15m
Scandinavian Airlines
Deal found 5/3£520
Sun 9/820:25
PIT
-
LGW
1 stop13h 15m
Icelandair
Tue 18/815:40
LGW
-
PIT
1 stop32h 35m
Icelandair
Deal found 9/3£524
Thu 15/1007:20
PIT
-
LHR
2 stops28h 05m
Scandinavian Airlines
Wed 21/1007:05
LHR
-
PIT
2 stops19h 21m
Scandinavian Airlines
Deal found 6/3£524
Mon 3/820:25
PIT
-
LHR
1 stop18h 55m
Icelandair
Wed 26/813:05
LHR
-
PIT
1 stop11h 10m
Icelandair
Deal found 7/3£526
Wed 19/820:25
PIT
-
LGW
1 stop10h 20m
Icelandair
Tue 25/815:40
LGW
-
PIT
1 stop32h 35m
Icelandair
Deal found 9/3£527
Sun 10/520:25
PIT
-
LGW
3 stops34h 50m
Multiple Airlines
Fri 15/507:05
LGW
-
PIT
2 stops17h 10m
Multiple Airlines
Deal found 10/3£527
Mon 10/820:25
PIT
-
LHR
1 stop18h 55m
Icelandair
Sat 22/821:25
LHR
-
PIT
1 stop26h 50m
Icelandair
Deal found 9/3£527
Mon 23/305:45
PIT
-
LGW
1 stop24h 15m
Multiple Airlines
Wed 8/414:00
LGW
-
PIT
2 stops24h 38m
Multiple Airlines
Deal found 10/3£528
Fri 8/520:25
PIT
-
LHR
1 stop10h 30m
Icelandair
Fri 15/513:05
LHR
-
PIT
1 stop11h 10m
Icelandair
Deal found 7/3£529
Fri 18/920:25
PIT
-
LHR
1 stop10h 30m
Icelandair
Fri 25/913:05
LHR
-
PIT
1 stop11h 10m
Icelandair
Deal found 7/3£530
Wed 12/820:25
PIT
-
LGW
1 stop10h 20m
Icelandair
Thu 20/815:40
LGW
-
PIT
1 stop32h 35m
Icelandair
Deal found 9/3£530
Wed 12/820:25
PIT
-
LHR
1 stop10h 30m
Icelandair
Tue 18/821:25
LHR
-
PIT
1 stop26h 50m
Icelandair
Deal found 9/3£531

Find flight deals from Pittsburgh to London

Discover tips and strategies to find the most affordable flight options for your journey from Pittsburgh (PIT) to London (LON). 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 11 March 2026.

Round-trip from

£520

One-way from

£171

Popular in

June

Cheapest in

October

Average price

£536
Icelandair
  • Icelandair
  • 23/8-28/8
  • 2 total stops
  • 21h 40m total
  • Pittsburgh to London
Search Deals
17/5
  • 17/5
  • 2 total stops
  • 39h 25m total
  • Pittsburgh to London
Search Deals
Highest demand for flights based on searches. 18% potential increase in price (£103 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£16 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 London 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 11 March 2026.
Use the filters below to find and compare flights from Pittsburgh to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

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

£523
Fastest return journey

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Mon 17/8

20:25-11:55

1 stop10h 30m

London Heathrow

Fri 21/8

13:05-19:15

1 stop11h 10m

£549

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

£593

PittsburghLondon

PIT - LGW

PITLGW

Pittsburgh

Mon 17/8

13:03-09:35

1 stop15h 32m

London Gatwick

Fri 21/8

12:20-22:21

1 stop15h 01m

£597

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Sat 1/8

19:42-09:00

1 stop32h 18m

London Heathrow

Sat 22/8

14:05-14:48

1 stop29h 43m

£601

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Mon 20/4

17:55-11:50

1 stop12h 55m

London Heathrow

Mon 27/4

14:05-13:54

2 stops28h 49m

£603

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Thu 20/8

06:10-09:20

2 stops22h 10m

London Heathrow

Tue 25/8

07:05-22:13

3 stops20h 08m

£606

PittsburghLondon

PIT - LTN

PITLTN

Pittsburgh

Wed 26/8

20:18-15:25

2 stops14h 07m

London Luton

Sun 6/9

09:00-18:40

1 stop14h 40m

£616

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Sat 2/5

06:12-20:45

1 stop9h 33m

London Heathrow

Wed 6/5

11:55-23:59

1 stop17h 04m

£617

PittsburghLondon

PIT - LCY

PITLCY

Pittsburgh

Wed 8/4

10:49-08:40

2 stops16h 51m

London City

Wed 15/4

09:15-20:58

2 stops16h 43m

£620

Flights are sorted by cheapest return flights first.

Deals found on 10/3

Showing 1-10 of 60 resultsSorted by cheapest first
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2
3
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6

Best time to book a flight from Pittsburgh to London

Have a flexible travel schedule? Discover the best time to fly to London 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

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

Use this chart to determine the optimal time to book a return flight from Pittsburgh to London. Price data was last updated on 6 March 2026.

The price you pay for your flight from Pittsburgh to London may vary depending on when you book. For the best chance of a lower fare, look to book 76 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, September is the cheapest month in which you can book a flight from Pittsburgh to London (average of £397). Flying from Pittsburgh to London in June is currently the most expensive (average of £706). 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 LON?

Find hourly flight availability from Pittsburgh to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 11 March 2026.

When flying from Pittsburgh to London, 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?

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

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

Reykjavik (KEF) – chosen by Cheapflights users on 67% of one-stop itineraries from Pittsburgh to London on Cheapflights.

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

Average return fare for one-stop flights from Pittsburgh to London, 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 £396.

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

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

Flights via Reykjavik (KEF) have the shortest average one-way travel time for one-stop routes: 10h 25m.

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

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

Flights via Reykjavik (KEF) offer the fastest connection on this route, with an average stopover time of 1h 28m.

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. 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 London. Reviews last updated 11 March 2026.
Read through reviews of airlines operating flights from Pittsburgh to London, such as British Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
British Airways
6.7
Okay
7,781 reviews
Check prices

Overall

6.7

Comfort

6.8

Boarding

6.9

Entertainment

6.4

Crew

7.6

Food

6.4

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
7,781 reviews
British Airways
6.7
Okay
7,781 reviews
Check prices

Overall

6.7

Comfort

6.8

Boarding

6.9

Entertainment

6.4

Crew

7.6

Food

6.4

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 London. 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?

    Pittsburgh (PIT), located 13.5 mi from the city center, is the airport you fly out of when you book flights from Pittsburgh to London. 1 airline have flights from Pittsburgh to London on a regular basis. Booking flights from Pittsburgh to London should not be difficult; the airport handles an average of 1 outbound flight to London per day.

  • How long is the flight from Pittsburgh to London?

    For as low as £549, Scandinavian Airlines can have you in London from Pittsburgh in 10h 30m. The distance from Pittsburgh to London 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 round-trip?

    According to our current data, British Airways (£397), offers the cheapest pricing from Pittsburgh to London. This flight start at 35% lower than the current average price 3 months from now.

  • What are the most popular routes from Pittsburgh to London?

    The most popular flight routes from Pittsburgh to London are Pittsburgh - London Heathrow, Pittsburgh - London Gatwick and Pittsburgh - London City.

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

    The top 3 most reliable airlines when flying from Pittsburgh to London are American Airlines (69%), Aer Lingus (69%) and Finnair (69%).

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Pittsburgh to London 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?

    Currently, September is the cheapest month in which you can book a flight from Pittsburgh to London (average of £397). Flying from Pittsburgh to London in June is currently the most expensive (average of £706). 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?

Book flights to London if you plan to visit one of these locations
Milton Keynes
Wembley
Croydon
Luton
Hounslow
Slough
Gatwick
Ilford
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Brentford
Colchester
Guildford
Watford
Kingston upon Thames
Chelmsford
Eastbourne
Ipswich
Bedford
Romford
Southend-on-Sea

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Alternative routes for Pittsburgh to London

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 London

Discover the top airline that operate flights from Pittsburgh to London. 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 11 March 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£397Average£627FlexibilityNo 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 London?

When you search for this flight from Pittsburgh to London, 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 London?

Cheapflights helps you find that perfect flight to London 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 London with no change fees?

Certainly. Search results for flights to London from Pittsburgh shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to London from Pittsburgh today and book when prices fit your budget.

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