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Cheap flights from Pittsburgh to London from £178

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 3/8. Fares are subject to change and may not be available on all flights or dates of travel.
PIT — LON
22 Apr — 29 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 23 March 2026.

Wed 19/820:10
PIT
-
LGW
1 stop16h 40m
Multiple Airlines
Wed 26/808:50
LGW
-
PIT
1 stop14h 50m
Multiple Airlines
Deal found 18/3£533
Wed 19/820:10
PIT
-
STN
1 stop18h 20m
Multiple Airlines
Wed 26/806:30
STN
-
PIT
1 stop17h 10m
Multiple Airlines
Deal found 19/3£534
Mon 3/820:10
PIT
-
STN
1 stop13h 00m
Multiple Airlines
Sun 9/806:35
STN
-
PIT
1 stop17h 05m
Multiple Airlines
Deal found 20/3£543
Mon 17/811:49
PIT
-
LHR
2 stops40h 31m
Scandinavian Airlines
Thu 20/807:05
LHR
-
PIT
2 stops19h 22m
Scandinavian Airlines
Deal found 19/3£552
Mon 3/820:10
PIT
-
LTN
1 stop11h 35m
Multiple Airlines
Sun 9/811:00
LTN
-
PIT
1 stop12h 40m
Multiple Airlines
Deal found 20/3£554
Mon 21/916:25
PIT
-
LHR
2 stops20h 15m
Scandinavian Airlines
Mon 28/906:40
LHR
-
PIT
2 stops20h 33m
Scandinavian Airlines
Deal found 18/3£557
Mon 3/820:10
PIT
-
LGW
1 stop18h 20m
Multiple Airlines
Sun 9/808:55
LGW
-
PIT
1 stop14h 45m
Multiple Airlines
Deal found 20/3£558
Fri 3/419:40
PIT
-
LGW
1 stop33h 20m
Multiple Airlines
Wed 29/414:00
LGW
-
PIT
2 stops32h 20m
Multiple Airlines
Deal found 17/3£560
Wed 19/820:10
PIT
-
LTN
1 stop14h 15m
Multiple Airlines
Wed 26/806:15
LTN
-
PIT
1 stop17h 25m
Multiple Airlines
Deal found 18/3£562
Fri 25/916:25
PIT
-
LHR
2 stops35h 55m
Scandinavian Airlines
Sun 27/917:00
LHR
-
PIT
2 stops34h 13m
Scandinavian Airlines
Deal found 21/3£564
Wed 19/820:25
PIT
-
LGW
2 stops31h 45m
Multiple Airlines
Sat 29/814:00
LGW
-
PIT
1 stop27h 19m
Multiple Airlines
Deal found 19/3£572
Fri 21/813:50
PIT
-
LHR
2 stops38h 30m
Scandinavian Airlines
Mon 24/806:40
LHR
-
PIT
2 stops20h 33m
Scandinavian Airlines
Deal found 19/3£586

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 23 March 2026.

Round-trip from

£533

One-way from

£178

Popular in

June

Cheapest in

October

Average price

£541
19/8-26/8
  • 19/8-26/8
  • 2 total stops
  • 31h 30m total
  • Pittsburgh to London
Search Deals
3/8
  • 3/8
  • 2 total stops
  • 33h 40m total
  • Pittsburgh to London
Search Deals
Highest demand for flights based on searches. 19% potential increase in price (£109 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£15 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 23 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 - LTN

PITLTN

Pittsburgh

Mon 3/8

20:10-12:45

1 stop11h 35m

London Luton

Sun 9/8

11:00-18:40

1 stop12h 40m

£554

PittsburghLondon

PIT - LTN

PITLTN

Pittsburgh

Wed 19/8

20:10-15:25

1 stop14h 15m

London Luton

Wed 26/8

06:15-18:40

1 stop17h 25m

£562

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Mon 6/4

06:00-20:45

1 stop9h 45m

London Heathrow

Sun 19/4

11:55-23:59

1 stop17h 04m

£631

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Mon 7/9

07:20-09:35

2 stops21h 15m

London Heathrow

Mon 14/9

06:40-00:22

2 stops22h 42m

£631

PittsburghLondon

PIT - STN

PITSTN

Pittsburgh

Sat 25/4

06:00-16:40

2 stops29h 40m

London Stansted

Sun 3/5

10:50-23:59

2 stops42h 09m

£639

PittsburghLondon

PIT - STN

PITSTN

Pittsburgh

Tue 5/5

06:12-16:50

2 stops29h 38m

London Stansted

Tue 12/5

06:55-23:59

2 stops46h 04m

£642

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Wed 6/5

07:05-11:55

1 stop23h 50m

London Heathrow

Wed 13/5

14:05-14:53

1 stop29h 48m

£643

PittsburghLondon

PIT - LGW

PITLGW

Pittsburgh

Wed 13/5

06:12-22:30

2 stops35h 18m

London Gatwick

Mon 18/5

17:35-23:59

2 stops35h 24m

£645

PittsburghLondon

PIT - LGW

PITLGW

Pittsburgh

Mon 13/4

06:00-09:55

2 stops46h 55m

London Gatwick

Sun 19/4

10:50-23:59

2 stops42h 09m

£645

PittsburghLondon

PIT - LGW

PITLGW

Pittsburgh

Tue 5/5

06:12-22:25

2 stops35h 13m

London Gatwick

Sun 17/5

10:50-23:59

2 stops42h 09m

£645

Flights are sorted by cheapest return flights first.

Deals found on 19/3

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 13 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 £400). Flying from Pittsburgh to London in June is currently the most expensive (average of £711). 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 23 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.

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 £399.

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 23 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
7,813 reviews
Check prices

Crew

7.6

Entertainment

6.4

Comfort

6.8

Boarding

6.9

Overall

6.7

Food

6.4

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
7,813 reviews
British Airways
6.7
Okay
7,813 reviews
Check prices

Crew

7.6

Entertainment

6.4

Comfort

6.8

Boarding

6.9

Overall

6.7

Food

6.4

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 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 3 outbound flights to London per day.

  • How long is the flight from Pittsburgh to London?

    For as low as £631, JetBlue can have you in London from Pittsburgh in 9h 45m. 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 (£400), 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 Stansted.

  • 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 (80%), Aer Lingus (80%) and Finnair (80%).

  • 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 £400). Flying from Pittsburgh to London in June is currently the most expensive (average of £711). 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
Hayes
Brentford
Colchester
Guildford
Watford
Kingston upon Thames
Eastbourne
Romford
Ipswich
Bedford
Chelmsford
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 23 March 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£400Average£632FlexibilityNo 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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