London

$167+ Cheap flights from Pittsburgh (PIT) to London (LON)

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 11/11. Fares are subject to change and may not be available on all flights or dates of travel.
PIT — LON
Oct 19 — Oct 261
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Cheapflights Tip: The best prices from Pittsburgh to London are usually found in January or October, booked 76 days in advance, depart on a Wednesday or Tuesday and return on a Friday

Cheap 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 September 19, 2025.

Round-trip from

$539
(Mytrip)

One-way from

$167
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$740

Good round-trip deal

$654 or less

Good one-way deal

$474 or less
From Pittsburgh to London (LON)
One-way flight from Pittsburgh to London (LON)
Highest demand for flights based on searches. 22% potential increase in price ($230 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($33 potential savings vs. average RT price).
Average for round-trip flights in September 2025
Price to beat on a round-trip flight from Pittsburgh to London (LON).
Price to beat on a one-way flight from Pittsburgh to London (LON).

Find flight deals from Pittsburgh to London

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 September 19, 2025.

This Booking.com deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/143:25 pmPIT - LHR
1 stop10h 05mMultiple Airlines
Tue 10/216:00 amLHR - PIT
2 stops20h 03mMultiple Airlines
Deal found 9/16$539
This Air Canada deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/123:25 pmPIT - LHR
1 stop10h 05mAir Canada
Thu 10/236:00 amLHR - PIT
2 stops14h 34mAir Canada
Deal found 9/17$540
This Air Canada deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/73:25 pmPIT - LHR
1 stop10h 05mAir Canada
Tue 10/146:50 amLHR - PIT
2 stops12h 51mAir Canada
Deal found 9/17$541
This Air Canada deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/303:25 pmPIT - LHR
1 stop10h 05mAir Canada
Tue 10/76:50 amLHR - PIT
2 stops12h 51mAir Canada
Deal found 9/18$542
This United Airlines deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/36:15 amPIT - LHR
1 stop19h 25mUnited Airlines
Wed 11/129:00 amLHR - PIT
2 stops31h 14mUnited Airlines
Deal found 9/17$544
This Mytrip deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/73:25 pmPIT - LHR
1 stop10h 05mMultiple Airlines
Tue 10/143:50 pmLHR - PIT
1 stop11h 38mMultiple Airlines
Deal found 9/17$545
This Booking.com deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/105:55 pmPIT - LHR
1 stop12h 25mMultiple Airlines
Wed 11/196:00 amLHR - PIT
2 stops20h 05mMultiple Airlines
Deal found 9/17$546
This Air Canada deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/84:15 pmPIT - LHR
1 stop14h 35mMultiple Airlines
Tue 10/216:00 amLHR - PIT
2 stops14h 34mMultiple Airlines
Deal found 9/18$547
This United Airlines deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/78:08 pmPIT - LHR
1 stop9h 32mUnited Airlines
Wed 10/1512:10 pmLHR - PIT
2 stops16h 30mUnited Airlines
Deal found 9/17$548
This United Airlines deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/106:00 amPIT - LHR
1 stop10h 20mUnited Airlines
Wed 11/1912:05 pmLHR - PIT
2 stops16h 29mUnited Airlines
Deal found 9/18$549
This Priceline deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/185:55 pmPIT - LHR
1 stop12h 25mAir Canada
Tue 11/256:00 amLHR - PIT
2 stops16h 14mAir Canada
Deal found 9/18$550
This oojo deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/182:11 pmPIT - LGW
2 stops22h 39mSWISS
Tue 11/256:40 pmLGW - PIT
2 stops31h 25mSWISS
Deal found 9/18$569

Cheapflights Fare Finder

 
Customize 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 2,558,603 searches. Data last updated September 19, 2025.
Use the filters below to find and compare flights from Pittsburgh to London that are best for you.

Fly from

Pittsburgh

Fly to

London

Route

Depart

Return

Price

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Wed 11/12

6:00 am-8:35 pm

1 stop9h 35m

London Heathrow

Thu 11/20

12:05 pm-11:34 pm

2 stops16h 29m

$548

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Wed 11/12

6:00 am-8:35 pm

1 stop9h 35m

London Heathrow

Tue 11/18

12:05 pm-11:34 pm

2 stops16h 29m

$549

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Mon 11/3

5:55 pm-8:35 pm

2 stops21h 40m

London Heathrow

Tue 11/11

12:05 pm-11:34 pm

2 stops16h 29m

$550

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Mon 11/10

6:15 am-10:50 am

1 stop23h 35m

London Heathrow

Tue 11/18

6:00 pm-5:14 pm

1 stop28h 14m

$551

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Wed 11/12

9:15 pm-9:40 am

Nonstop7h 25m

London Heathrow

Tue 11/18

9:55 am-5:26 pm

1 stop12h 31m

$557

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Tue 10/7

4:15 pm-11:50 am

1 stop14h 35m

London Heathrow

Mon 10/13

8:25 pm-4:52 pm

2 stops25h 27m

$559

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Mon 10/27

10:49 am-7:50 am

1 stop17h 01m

London Heathrow

Wed 11/5

6:20 am-4:08 pm

2 stops14h 48m

$559

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Sun 10/12

10:02 am-7:15 am

1 stop16h 13m

London Heathrow

Tue 10/21

6:30 am-6:15 pm

2 stops16h 45m

$560

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Tue 10/7

1:00 pm-8:50 am

2 stops14h 50m

London Heathrow

Wed 10/15

6:15 am-4:53 pm

2 stops15h 38m

$563

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Wed 10/8

1:00 pm-8:50 am

2 stops14h 50m

London Heathrow

Tue 10/21

6:30 am-5:31 pm

2 stops16h 01m

$564

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/17

Showing 1-10 of 60 results
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The best insider tips for Pittsburgh to London flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Pittsburgh to London trip
Airports
PIT

Due to construction at PIT, arrive earlier to navigate potential changes and ensure a smooth departure.

Read more about PITby John Walton
LHR

For quick access to central London, take the Heathrow Express to Paddington Station.

Read more about LHRby Ramsey Qubein
Our travel experts
Ramsey Qubein

Ramsey Qubein

Expert on LHR

Ramsey Qubein

Ramsey Qubein

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more
John Walton

John Walton

Expert on PIT

John Walton

John Walton

Independent aviation journalist John Walton took his first flight at eight weeks old and hasn’t stopped travelling since. A world-renowned expert in airlines and the passenger experience, he writes in depth on aviation, is a resident expert on travel in Japan and France, and offers a uniquely queer perspective on travelling the world.

Read more

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 round-trip 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 round-trip flight from Pittsburgh to London. Price data was last updated on September 12, 2025.

Booking 76 days in advance of your planned departure date is, on average, the best time to get cheap flights from Pittsburgh to London. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, November is the cheapest month in which you can book a flight from Pittsburgh to London (average of $661). Flying from Pittsburgh to London in June is currently the most expensive (average of $1,097). 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 September 19, 2025.

A simple way to save on the total cost of your ticket is to fly from Pittsburgh to London in the morning. If you’re flexible enough to do this you can expect to save up to 14% on your trip compared to booking a flight in the evening.

What is the cheapest day to fly from Pittsburgh to London?

Use this chart to determine the cheapest time to fly round-trip from Pittsburgh to London. Price data was last updated on September 8, 2024.

Travelers seeking maximum savings on their Pittsburgh to London flight should consider departing on Monday mornings when fares are most often at their lowest. Saturday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Pittsburgh to London

Explore weekly flight availability from Pittsburgh to London. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated September 19, 2025.

The most flights from PIT to LON are scheduled on a Monday (6 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (1 on average).

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

Share of 1-stop round-trip flights from Pittsburgh to London chosen by Cheapflights users in the past 12 months, using the same layover each way.

Boston (BOS) – chosen by Cheapflights users on 50% of 1-stop itineraries from Pittsburgh to London on Cheapflights.

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

Average round-trip fare for 1-stop flights from Pittsburgh to London, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Reykjavik (KEF) is the most affordable 1-stop option, with an average round-trip price of $590.

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

Shortest average travel time for 1-stop one-way flights from Pittsburgh to London, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Boston (BOS) have the shortest average one-way travel time for 1-stop routes: 10h 27m.

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

Average layover duration for 1-stop one-way flights from Pittsburgh to London, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Boston (BOS) offer the fastest connection on this route, with an average layover time of 5h 33m.

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 September 19, 2025.
Read reviews from past customers who have flown American Airlines, JetBlue, and Icelandair from Pittsburgh to London. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Boarding

7.5

Crew

8.0

Overall

7.2

Comfort

7.2

Entertainment

6.9

Food

6.4

Reviews

1 / 20
2.0
Mediocre

Jeremy,Sep 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac

Boarding

7.5

Crew

8.0

Overall

7.2

Comfort

7.2

Entertainment

6.9

Food

6.4

Reviews

1 / 20
2.0
Mediocre

Jeremy,Sep 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac

Boarding

7.5

Crew

8.0

Overall

7.2

Comfort

7.2

Entertainment

6.9

Food

6.4

Reviews

1 / 20
2.0
Mediocre

Jeremy,Sep 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac

Boarding

7.5

Crew

8.0

Overall

7.2

Comfort

7.2

Entertainment

6.9

Food

6.4

Reviews

1 / 20
2.0
Mediocre

Jeremy,Sep 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac

Boarding

7.5

Crew

8.0

Overall

7.2

Comfort

7.2

Entertainment

6.9

Food

6.4

Reviews

1 / 20
2.0
Mediocre

Jeremy,Sep 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac

Boarding

7.5

Crew

8.0

Overall

7.2

Comfort

7.2

Entertainment

6.9

Food

6.4

Reviews

1 / 20
2.0
Mediocre

Jeremy,Sep 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac

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?

    Most people fly from Pittsburgh (PIT) if they book a flight from Pittsburgh to London. On average, Pittsburgh has 4 outbound flights to London per day from 8 airlines. Pittsburgh is conveniently located just 13.5 mi from Pittsburgh’s city center.

  • How long is the flight from Pittsburgh to London?

    For as low as $548, United Airlines can have you in London from Pittsburgh in 9h 35m. The distance from Pittsburgh to London is about 3708 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Pittsburgh to London round-trip?

    JetBlue, at $136, was found to be the cheapest airline from Pittsburgh to London.Alternate airlines to your destination round-trip include Delta and Icelandair. Users have found that JetBlue is 83% cheaper than the other options available to this destination.

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

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

    Before booking your flight to London from Pittsburgh, check out the most reliable airlines to get you to your destination on time: American Airlines (58%), Aer Lingus (58%), Finnair( 58%).

  • What are the cheapest flights from Pittsburgh to London?

    On average you can expect to pay $1,875 for a flight from Pittsburgh to London. The cheapest flight overall is $431 while the most popular route, (Pittsburgh - London Heathrow) is currently priced at $511.

  • 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 vacation 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, November is the cheapest month in which you can book a flight from Pittsburgh to London (average of $661). Flying from Pittsburgh to London in June is currently the most expensive (average of $1,097). 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

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Hounslow
Hayes
Southend-on-Sea
Harrow
Canterbury
Croydon
Eastleigh
Dartford
Dover
Winchester
Orpington
Gatwick
Borehamwood
Aylesbury
Bedford
Wembley
Folkestone
Chichester
Eastbourne
Sutton

Browse thousands of different options on Cheapflights for your next trip

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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.

Top 8 airlines flying from Pittsburgh to London

Discover the top 8 airlines 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 2,558,603 searches. Data last updated September 19, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$136Average$685FlexibilityNo cancel feeOn-time62%
DeltaCheapest$219Average$740FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$492Average$707FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$591Average$807FlexibilityNo cancel feeOn-time70%
FinnairCheapest$604Average$855FlexibilityNo cancel feeOn-time76%
IberiaCheapest$633Average$817FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$644Average$813FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$733Average$954FlexibilityNo cancel feeOn-time69%

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