HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Heathrow

$227+ Cheap flights from Pittsburgh (PIT) to Heathrow (LHR)

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 10/16. Fares are subject to change and may not be available on all flights or dates of travel.
PIT — LHR
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Pittsburgh to Heathrow 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

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Pittsburgh to London Heathrow are usually found in January or October, booked 22 days in advance, depart on a Wednesday or Tuesday and return on a Friday

Cheap 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 September 17, 2025.

Round-trip from

$531
(Gotogate)

One-way from

$227
(Mytrip)

Popular in

June

Cheapest in

January

Average price

$741

Good round-trip deal

$654 or less

Good one-way deal

$474 or less
From Pittsburgh to London Heathrow
Search Deals
One-way flight from Pittsburgh to London Heathrow
Search Deals
Highest demand for flights based on searches. 20% potential increase in price ($212 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($37 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals
Price to beat on a round-trip flight from Pittsburgh to London Heathrow.
Search Deals
Price to beat on a one-way flight from Pittsburgh to London Heathrow.
Search Deals

Find flight deals from Pittsburgh to Heathrow

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 September 17, 2025.

This Gotogate deal was found by Cheapflights users on 9/15. 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.
Sun 10/123:25 pmPIT - LHR
1 stop10h 05mAir Canada
Tue 10/218:30 amLHR - PIT
1 stop12h 04mAir Canada
Deal found 9/15$531
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/126:35 amPIT - LHR
2 stops22h 00mMultiple Airlines
Tue 10/216:50 amLHR - PIT
2 stops13h 44mMultiple Airlines
Deal found 9/16$536
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/115:55 pmPIT - LHR
2 stops14h 05mMultiple Airlines
Wed 11/197:25 pmLHR - PIT
2 stops26h 49mMultiple Airlines
Deal found 9/16$538
This Air Canada deal was found by Cheapflights users on 9/15. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/143:25 pmPIT - LHR
1 stop13h 10mAir Canada
Tue 10/216:00 amLHR - PIT
2 stops14h 34mAir Canada
Deal found 9/15$539
This Air Canada deal was found by Cheapflights users on 9/15. 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 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 stop13h 10mAir Canada
Tue 10/146:50 amLHR - PIT
2 stops12h 51mAir Canada
Deal found 9/15$541
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/168:30 pmPIT - LHR
1 stop10h 25mIcelandair
Tue 10/71:05 pmLHR - PIT
1 stop11h 15mIcelandair
Deal found 9/16$542
This Air Canada deal was found by Cheapflights users on 9/15. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/117:01 amPIT - LHR
2 stops19h 09mAir Canada
Tue 11/181:25 pmLHR - PIT
2 stops39h 19mAir Canada
Deal found 9/15$543
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.
Wed 10/16:15 amPIT - LHR
2 stops19h 15mUnited Airlines
Wed 10/152:05 pmLHR - PIT
2 stops28h 00mUnited Airlines
Deal found 9/17$544
This Air Canada deal was found by Cheapflights users on 9/15. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/105:55 pmPIT - LHR
1 stop31h 35mAir Canada
Wed 11/191:25 pmLHR - PIT
2 stops30h 55mAir Canada
Deal found 9/15$545
This Cheapflightsfares deal was found by Cheapflights users on 9/15. 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.
Tue 10/149:40 pmPIT - LHR
Nonstop7h 25mBritish Airways
Tue 10/214:40 pmLHR - PIT
Nonstop8h 05mBritish Airways
Deal found 9/15$546

Cheapflights Fare Finder

 
Customize 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 2,558,603 searches. Data last updated September 17, 2025.
Use the filters below to find and compare flights from Pittsburgh to London Heathrow Airport that are best for you.

Fly from

Pittsburgh

Fly to

Heathrow

Route

Depart

Return

Price

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Tue 2/17

6:10 am-10:50 am

1 stop23h 40m

London Heathrow

Tue 2/24

6:00 pm-5:14 pm

1 stop28h 14m

$551

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Mon 1/26

9:15 pm-9:40 am

Nonstop7h 25m

London Heathrow

Fri 2/6

4:00 pm-7:20 pm

Nonstop8h 20m

$551

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Sun 10/12

6:15 am-10:40 am

1 stop23h 25m

London Heathrow

Tue 10/21

12:05 pm-3:34 pm

1 stop32h 29m

$551

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Tue 10/14

6:15 am-10:40 am

1 stop23h 25m

London Heathrow

Tue 10/21

3:50 pm-3:34 pm

1 stop28h 44m

$551

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Sun 10/12

5:11 pm-11:55 am

1 stop13h 44m

London Heathrow

Tue 10/21

6:30 am-6:15 pm

2 stops16h 45m

$559

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Wed 10/8

1:00 pm-8:50 am

2 stops14h 50m

London Heathrow

Wed 10/29

11:30 am-12:32 am

2 stops17h 02m

$562

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-6:15 pm

2 stops16h 45m

$564

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Mon 11/3

10:35 am-6:40 am

1 stop15h 05m

London Heathrow

Mon 11/10

3:30 pm-5:14 pm

2 stops30h 44m

$589

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Mon 2/16

10:26 am-6:40 am

1 stop15h 14m

London Heathrow

Mon 2/23

1:25 pm-6:51 pm

2 stops34h 26m

$593

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Thu 11/6

11:00 am-5:55 am

1 stop13h 55m

London Heathrow

Tue 11/18

1:25 pm-12:32 pm

2 stops28h 07m

$593

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Showing 1-10 of 22 results
1
2
3

The best insider tips for Pittsburgh to London Heathrow Airport 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 Heathrow Airport trip
Airports
PIT

Arrive 3 hours early for morning flights due to busy security lines. Check the airport's live security time tracker for updates.

Read more about PITby John Walton
LHR

Take the Heathrow Express for the fastest route to central London, arriving at Paddington Station. It's quicker than a taxi or rideshare.

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 Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow 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 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 round-trip flight from Pittsburgh to Heathrow. Price data was last updated on September 12, 2025.

Booking 22 days in advance of your planned departure date is, on average, the best time to get cheap flights from Pittsburgh to London Heathrow Airport. 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 Heathrow Airport?

Currently, November is the cheapest month in which you can book a flight from Pittsburgh to London Heathrow Airport (average of $661). Flying from Pittsburgh to London Heathrow Airport 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 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 September 17, 2025.

A simple way to save on the total cost of your ticket is to fly from Pittsburgh to London Heathrow Airport in the morning. If you’re flexible enough to do this you can expect to save up to 12% on your trip compared to booking a flight at noon.

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

Use this chart to determine the cheapest time to fly round-trip from Pittsburgh to Heathrow. Price data was last updated on December 16, 2024.

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

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 September 17, 2025.
Get a feel of what it's like to fly with American Airlines, JetBlue, and Icelandair from Pittsburgh to London Heathrow Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.2
Good
10,000 reviews

Entertainment

6.9

Food

6.4

Comfort

7.2

Overall

7.2

Boarding

7.5

Crew

8.0

Reviews

1 / 20
2.0
Mediocre

Jeremy,Sep 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac
American Airlines
7.2
Good
10,000 reviews
American Airlines
7.2
Good
10,000 reviews

Entertainment

6.9

Food

6.4

Comfort

7.2

Overall

7.2

Boarding

7.5

Crew

8.0

Reviews

1 / 20
2.0
Mediocre

Jeremy,Sep 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac
JetBlue
7.2
Good
2,914 reviews
American Airlines
7.2
Good
10,000 reviews

Entertainment

6.9

Food

6.4

Comfort

7.2

Overall

7.2

Boarding

7.5

Crew

8.0

Reviews

1 / 20
2.0
Mediocre

Jeremy,Sep 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac
Icelandair
7.0
Good
545 reviews
American Airlines
7.2
Good
10,000 reviews

Entertainment

6.9

Food

6.4

Comfort

7.2

Overall

7.2

Boarding

7.5

Crew

8.0

Reviews

1 / 20
2.0
Mediocre

Jeremy,Sep 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac
Iberia
7.0
Good
2,925 reviews
American Airlines
7.2
Good
10,000 reviews

Entertainment

6.9

Food

6.4

Comfort

7.2

Overall

7.2

Boarding

7.5

Crew

8.0

Reviews

1 / 20
2.0
Mediocre

Jeremy,Sep 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac
British Airways
6.7
Okay
7,367 reviews
American Airlines
7.2
Good
10,000 reviews

Entertainment

6.9

Food

6.4

Comfort

7.2

Overall

7.2

Boarding

7.5

Crew

8.0

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 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?

    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 Heathrow. 8 airlines have flights from Pittsburgh to London Heathrow on a regular basis. Booking flights from Pittsburgh to London Heathrow should not be difficult; the airport handles an average of 4 outbound flights to London Heathrow per day.

  • How long is the flight from Pittsburgh to London Heathrow Airport?

    There are many flights that can get you from Pittsburgh to London Heathrow Airport in 7h 25m. Fly via United Airlines, British Airways, or Delta to get the fastest option. The distance between Pittsburgh and London Heathrow Airport is about 3708 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    Currently priced at $219, Delta will fly you from Pittsburgh to London Heathrow Airport and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Icelandair and JetBlue - these airlines can fly you to your destination from $492 and $505, respectively. Delta is priced at 74% lower than the current average price of a flight leaving 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 (58%), Aer Lingus (58%) or Finnair (58%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Pittsburgh to London Heathrow Airport?

    While on average a flight from Pittsburgh to London Heathrow Airport is generally $1,875, our data shows the cheapest flight currently is $431. When looking at the most popular route, (Pittsburgh - London Heathrow), you can expect to pay $498 for that flight.

  • 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 vacation 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, November is the cheapest month in which you can book a flight from Pittsburgh to London Heathrow Airport (average of $661). Flying from Pittsburgh to London Heathrow Airport 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 Heathrow Airport?

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

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.

Alternative routes for Pittsburgh to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Heathrow flights
Newark to Heathrow flights
Dulles Intl to Heathrow flights
LaGuardia to Heathrow flights
John F Kennedy Intl to London City flights
Newark to Gatwick flights
John F Kennedy Intl to Gatwick flights
LaGuardia to Gatwick flights
Newark to London City flights
John F Kennedy Intl to Stansted flights
John F Kennedy Intl to Luton flights
Reagan-National to Heathrow flights
Philadelphia to Heathrow flights
Dulles Intl to Gatwick flights
Newark to Stansted flights
Newark to Luton flights
Dulles Intl to London City flights
Reagan-National to Gatwick flights
LaGuardia to London City flights
Dulles Intl to Stansted flights
Dulles Intl to Luton flights
Philadelphia to Gatwick flights
Reagan-National to London City flights
Philadelphia to London City flights
LaGuardia to Stansted flights
Pittsburgh to Gatwick flights
Philadelphia to Stansted flights
Philadelphia to Luton flights
LaGuardia to Luton flights
Pittsburgh to London City flights
Reagan-National to Stansted flights
John F Kennedy Intl to Southend flights
Pittsburgh to Stansted flights
Reagan-National to Luton flights
State College to Heathrow flights
Pittsburgh to Luton flights
Harrisburg to Heathrow flights
Allentown to Heathrow flights
Newark to Southend flights
Philadelphia to Southend flights
Dulles Intl to Southend flights
Harrisburg to London City flights
Scranton to Heathrow flights
Allentown to London City flights
Elmira to Heathrow flights
Erie to Heathrow flights
Allentown to Gatwick flights
Elmira to London City flights

Top 8 airlines flying from Pittsburgh to Heathrow

Discover the top 8 airlines 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 2,558,603 searches. Data last updated September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$219Average$740FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$492Average$707FlexibilityNo cancel feeOn-time76%
JetBlueCheapest$505Average$707FlexibilityNo cancel feeOn-time62%
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%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.