London

$250+ 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 3/24. Fares are subject to change and may not be available on all flights or dates of travel.
PIT — LON
Mar 20 — Mar 271
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Find cheap flights from Pittsburgh to London with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

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Cheapflights Tip: The best prices from Pittsburgh to London are usually found in October or August, booked 76 days in advance, depart on a Wednesday or Monday and return on a Friday

Cheap 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 February 18, 2026.

This lol.travel deal was found by Cheapflights users on 2/17. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/95:55 pm
PIT
-
LHR
2 stops33h 15m
Air Canada
Wed 3/186:00 pm
LHR
-
PIT
1 stop27h 16m
Air Canada
Deal found 2/17$657
This oojo deal was found by Cheapflights users on 2/15. 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.
Mon 2/169:24 am
PIT
-
LHR
1 stop16h 21m
British Airways
Wed 2/258:20 am
LHR
-
PIT
1 stop11h 42m
British Airways
Deal found 2/15$658
This United Airlines deal was found by Cheapflights users on 2/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/168:06 pm
PIT
-
LHR
1 stop9h 44m
United Airlines
Wed 2/2511:10 am
LHR
-
PIT
1 stop11h 04m
United Airlines
Deal found 2/16$659
This Cheapflightsfares deal was found by Cheapflights users on 2/17. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/116:00 am
PIT
-
LHR
1 stop11h 40m
JetBlue
Wed 3/259:20 am
LHR
-
PIT
1 stop12h 24m
JetBlue
Deal found 2/17$661
This Cheapflightsfares deal was found by Cheapflights users on 2/14. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/145:55 pm
PIT
-
LHR
1 stop12h 55m
Lufthansa
Tue 4/289:30 am
LHR
-
PIT
2 stops18h 50m
Lufthansa
Deal found 2/14$663
This Gotogate deal was found by Cheapflights users on 2/15. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/98:25 pm
PIT
-
LGW
1 stop13h 15m
Icelandair
Tue 9/223:40 pm
LGW
-
PIT
1 stop32h 35m
Icelandair
Deal found 2/15$664
This KAYAK deal was found by Cheapflights users on 2/15. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/182:05 pm
PIT
-
LHR
2 stops21h 15m
SWISS
Mon 2/238:05 pm
LHR
-
PIT
2 stops29h 49m
SWISS
Deal found 2/15$664
This Cheapflightsfares deal was found by Cheapflights users on 2/15. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/207:59 pm
PIT
-
LHR
2 stops14h 41m
Lufthansa
Thu 4/308:25 pm
LHR
-
PIT
2 stops29h 13m
Lufthansa
Deal found 2/15$665
This United Airlines deal was found by Cheapflights users on 2/15. 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.
Wed 3/46:00 am
PIT
-
LHR
1 stop9h 35m
United Airlines
Fri 3/136:50 am
LHR
-
PIT
2 stops13h 53m
United Airlines
Deal found 2/15$666
This Gotogate deal was found by Cheapflights users on 2/14. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/35:55 pm
PIT
-
LHR
2 stops17h 25m
Multiple Airlines
Fri 3/136:30 am
LHR
-
PIT
2 stops14h 46m
Multiple Airlines
Deal found 2/14$667
This Delta deal was found by Cheapflights users on 2/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/36:00 pm
PIT
-
LHR
1 stop9h 45m
Delta
Fri 3/138:40 am
LHR
-
PIT
2 stops16h 50m
Delta
Deal found 2/17$668
This SWISS deal was found by Cheapflights users on 2/18. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/182:05 pm
PIT
-
LCY
2 stops22h 00m
SWISS
Tue 2/247:10 pm
LCY
-
PIT
2 stops30h 44m
SWISS
Deal found 2/18$669

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 February 18, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$657
(lol.travel)

One-way from

$250
(Kiwi.com)

Popular in

June

Cheapest in

October

Average price

$885

Good round-trip deal

$704 or less

Good one-way deal

$374 or less
Provider with most accurate pricing for Pittsburgh-London (LON) flight deals.
Provider most trusted by Cheapflights users for Pittsburgh-London (LON) flights.
From Pittsburgh to London (LON)
One-way flight from Pittsburgh to London (LON)
Highest demand for flights based on searches. 20% potential increase in price ($212 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($31 potential savings vs. average RT price).
Average for round-trip flights in February 2026
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).

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 February 18, 2026.
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

Mon 3/16

7:05 am-8:35 pm

1 stop9h 30m

London Heathrow

Tue 3/24

1:25 pm-7:01 pm

2 stops33h 36m

$675

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Wed 3/18

3:00 pm-10:50 am

1 stop15h 50m

London Heathrow

Wed 3/25

1:25 pm-1:09 pm

2 stops27h 44m

$676

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Tue 8/4

3:35 pm-6:30 am

1 stop9h 55m

London Heathrow

Fri 8/21

6:50 am-4:57 pm

2 stops15h 07m

$681

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Tue 3/31

4:37 pm-11:20 am

1 stop13h 43m

London Heathrow

Tue 4/7

6:30 am-4:57 pm

2 stops15h 27m

$683

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Mon 8/10

5:30 pm-1:15 pm

2 stops14h 45m

London Heathrow

Thu 8/27

6:30 am-6:56 pm

2 stops17h 26m

$688

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Tue 3/31

2:09 pm-4:25 pm

2 stops21h 16m

London Heathrow

Tue 4/7

8:05 pm-8:58 pm

2 stops29h 53m

$693

PittsburghLondon

PIT - LCY

PITLCY

Pittsburgh

Mon 3/9

1:42 pm-7:15 am

2 stops13h 33m

London City

Wed 3/18

10:00 am-9:30 pm

2 stops15h 30m

$695

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Sun 3/15

5:59 pm-8:45 am

1 stop10h 46m

London Heathrow

Tue 3/24

10:10 am-9:30 pm

1 stop15h 20m

$696

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Wed 4/1

3:00 pm-10:40 am

1 stop14h 40m

London Heathrow

Mon 4/6

5:50 pm-4:50 pm

2 stops28h 00m

$696

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Thu 3/19

9:48 am-6:55 am

1 stop17h 07m

London Heathrow

Wed 3/25

9:20 am-5:44 pm

1 stop12h 24m

$697

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/15

Showing 1-10 of 60 results
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Compare providers for flights from Pittsburgh to London

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Pittsburgh to London in February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars
CheapflightsfaresPrice Accuracy1 starTrust Score*2 stars
oojoPrice Accuracy3 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Pittsburgh-London flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Pittsburgh-London flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Pittsburgh-London flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Pittsburgh-London flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Pittsburgh-London flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 February 18, 2026.

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, June is the cheapest month in which you can book a flight from Pittsburgh to London (average of $129). Flying from Pittsburgh to London in December is currently the most expensive (average of $652). 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 February 18, 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 to fly round-trip from Pittsburgh to London?

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 67% 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 $527.

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.

The best insider tips for Pittsburgh to London flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Pittsburgh to London trip
Our travel experts
Ramsey Qubein

Ramsey Qubein

Expert on LHR

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.

John Walton

John Walton

Expert on PIT

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.

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 February 18, 2026.
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.

Entertainment

6.9

Overall

7.2

Boarding

7.5

Food

6.4

Crew

8.0

Comfort

7.2

Reviews

1 / 20
2.0
Mediocre

Susie,Jan 2026

CLT - TPA

This flight was delayed 3 or 4 times. We had boarded the plane, sat on plane for a good 30 minutes, then we had to board the aircraft, walk to a different gate, wait and then board another aircraft. We arrived in Tampa 4 hours later than the original booking. I feel there should have been some sort of compensation especially for the advantage members.

Entertainment

6.9

Overall

7.2

Boarding

7.5

Food

6.4

Crew

8.0

Comfort

7.2

Reviews

1 / 20
2.0
Mediocre

Susie,Jan 2026

CLT - TPA

This flight was delayed 3 or 4 times. We had boarded the plane, sat on plane for a good 30 minutes, then we had to board the aircraft, walk to a different gate, wait and then board another aircraft. We arrived in Tampa 4 hours later than the original booking. I feel there should have been some sort of compensation especially for the advantage members.

Entertainment

6.9

Overall

7.2

Boarding

7.5

Food

6.4

Crew

8.0

Comfort

7.2

Reviews

1 / 20
2.0
Mediocre

Susie,Jan 2026

CLT - TPA

This flight was delayed 3 or 4 times. We had boarded the plane, sat on plane for a good 30 minutes, then we had to board the aircraft, walk to a different gate, wait and then board another aircraft. We arrived in Tampa 4 hours later than the original booking. I feel there should have been some sort of compensation especially for the advantage members.

Entertainment

6.9

Overall

7.2

Boarding

7.5

Food

6.4

Crew

8.0

Comfort

7.2

Reviews

1 / 20
2.0
Mediocre

Susie,Jan 2026

CLT - TPA

This flight was delayed 3 or 4 times. We had boarded the plane, sat on plane for a good 30 minutes, then we had to board the aircraft, walk to a different gate, wait and then board another aircraft. We arrived in Tampa 4 hours later than the original booking. I feel there should have been some sort of compensation especially for the advantage members.

Entertainment

6.9

Overall

7.2

Boarding

7.5

Food

6.4

Crew

8.0

Comfort

7.2

Reviews

1 / 20
2.0
Mediocre

Susie,Jan 2026

CLT - TPA

This flight was delayed 3 or 4 times. We had boarded the plane, sat on plane for a good 30 minutes, then we had to board the aircraft, walk to a different gate, wait and then board another aircraft. We arrived in Tampa 4 hours later than the original booking. I feel there should have been some sort of compensation especially for the advantage members.

Entertainment

6.9

Overall

7.2

Boarding

7.5

Food

6.4

Crew

8.0

Comfort

7.2

Reviews

1 / 20
2.0
Mediocre

Susie,Jan 2026

CLT - TPA

This flight was delayed 3 or 4 times. We had boarded the plane, sat on plane for a good 30 minutes, then we had to board the aircraft, walk to a different gate, wait and then board another aircraft. We arrived in Tampa 4 hours later than the original booking. I feel there should have been some sort of compensation especially for the advantage members.

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 2 outbound flights to London per day from 10 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 $675, United Airlines can have you in London from Pittsburgh in 9h 30m. 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 cheapest airlines to fly from Pittsburgh to London one-way?

    To fly one-way, consider booking your trip with JetBlue, which is currently one of the cheapest options available, starting at $131. Icelandair flights start at $161 while deals on British Airways start at $393 one-way.

  • 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 (63%), Aer Lingus (63%), Finnair( 63%).

  • What are the cheapest flights from Pittsburgh to London?

    On average you can expect to pay $1,735 for a flight from Pittsburgh to London. The cheapest flight overall is $251 while the most popular route, (Pittsburgh - London Heathrow) is currently priced at $610.

  • 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, June is the cheapest month in which you can book a flight from Pittsburgh to London (average of $129). Flying from Pittsburgh to London in December is currently the most expensive (average of $652). 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
Ilford
Croydon
Hounslow
Southend-on-Sea
Harrow
Eastleigh
Gatwick
Dartford
Dover
Winchester
Orpington
Watford
Hayes
Borehamwood
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Chipping Norton
Kingston upon Thames
Eastbourne
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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 10 airlines flying from Pittsburgh to London

Discover the top 10 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 February 18, 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$136Average$685FlexibilityNo cancel feeOn-time62%
DeltaCheapest$219Average$801FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$492Average$716FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$574Average$864FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$583Average$820FlexibilityNo cancel feeOn-time69%
IberiaCheapest$610Average$929FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$647Average$1,083FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$649Average$896FlexibilityNo cancel feeOn-time71%
LufthansaCheapest$687Average$740FlexibilityNo cancel feeOn-time76%
FinnairCheapest$689Average$1,074FlexibilityNo cancel feeOn-time76%

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