HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Heathrow

$253+ 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 10/9. Fares are subject to change and may not be available on all flights or dates of travel.
PIT — LHR
Aug 29 — Sep 51
Sat 8/29
Sat 9/5
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 February or January, booked 63 days in advance, depart on a Wednesday or Friday and return on a Monday

Cheap 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 July 30, 2026.

This Mytrip deal was found by Cheapflights users on 7/28. 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 9/208:25 pm
PIT
-
LHR
1 stop10h 30m
Multiple Airlines
Wed 9/301:05 pm
LHR
-
PIT
3 stops30h 17m
Multiple Airlines
Deal found 7/28$746
This Icelandair deal was found by Cheapflights users on 7/29. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/68:25 pm
PIT
-
LHR
1 stop18h 55m
Icelandair
Thu 9/109:25 pm
LHR
-
PIT
1 stop26h 50m
Icelandair
Deal found 7/29$750
This Icelandair deal was found by Cheapflights users on 7/27. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/108:25 pm
PIT
-
LHR
1 stop18h 55m
Icelandair
Thu 8/209:25 pm
LHR
-
PIT
1 stop26h 50m
Icelandair
Deal found 7/27$751
This Mytrip deal was found by Cheapflights users on 7/29. 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.
Fri 10/28:25 pm
PIT
-
LHR
1 stop18h 55m
Multiple Airlines
Wed 10/141:05 pm
LHR
-
PIT
3 stops30h 17m
Multiple Airlines
Deal found 7/29$752
This Cheapflightsfares deal was found by Cheapflights users on 7/29. 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.
Sun 8/238:25 pm
PIT
-
LHR
1 stop10h 30m
Icelandair
Wed 9/21:05 pm
LHR
-
PIT
1 stop11h 10m
Icelandair
Deal found 7/29$759
This Priceline deal was found by Cheapflights users on 7/27. 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.
Sun 9/138:25 pm
PIT
-
LHR
1 stop10h 30m
Multiple Airlines
Tue 9/158:15 am
LHR
-
PIT
1 stop20h 29m
Multiple Airlines
Deal found 7/27$760
This KAYAK deal was found by Cheapflights users on 7/25. 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 12/92:10 pm
PIT
-
LHR
2 stops20h 40m
Lufthansa
Fri 12/118:30 am
LHR
-
PIT
2 stops19h 49m
Lufthansa
Deal found 7/25$768
This oojo deal was found by Cheapflights users on 7/28. 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.
Sun 8/238:25 pm
PIT
-
LHR
1 stop10h 30m
Icelandair
Thu 8/279:25 pm
LHR
-
PIT
1 stop26h 50m
Icelandair
Deal found 7/28$769
This oojo deal was found by Cheapflights users on 7/25. 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.
Sun 9/138:25 pm
PIT
-
LHR
1 stop18h 55m
Icelandair
Thu 9/249:25 pm
LHR
-
PIT
1 stop26h 50m
Icelandair
Deal found 7/25$771
This Gotogate deal was found by Cheapflights users on 7/28. 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.
Mon 8/248:25 pm
PIT
-
LHR
1 stop18h 55m
Icelandair
Tue 9/19:25 pm
LHR
-
PIT
1 stop26h 50m
Icelandair
Deal found 7/28$774
This Mytrip deal was found by Cheapflights users on 7/26. 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.
Wed 9/98:25 pm
PIT
-
LHR
2 stops19h 55m
Multiple Airlines
Wed 9/166:40 am
LHR
-
PIT
2 stops17h 35m
Multiple Airlines
Deal found 7/26$782

Find 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 July 30, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$743
(FlightHub)

One-way from

$253
(oojo)

Popular in

December

Cheapest in

February

Average price

$1,135

Good round-trip deal

$952 or less

Good one-way deal

$463 or less
Provider with most accurate pricing for Pittsburgh-London Heathrow flight deals.
Search Deals
Provider most trusted by Cheapflights users for Pittsburgh-London Heathrow flights.
Search Deals
From Pittsburgh to London Heathrow
Search Deals
One-way flight from Pittsburgh to London Heathrow
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($83 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($41 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
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

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 July 30, 2026.
Use the filters below to find and compare flights from Pittsburgh to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Sat 10/31

7:37 pm-5:55 am

1 stop30h 18m

London Heathrow

Wed 11/11

6:00 pm-6:36 pm

1 stop29h 36m

$880
Quickest round-trip

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Wed 11/11

9:15 pm-9:40 am

Nonstop7h 25m

London Heathrow

Wed 11/25

11:45 am-7:38 pm

1 stop12h 53m

$889

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Fri 9/11

8:25 pm-11:55 am

1 stop10h 30m

London Heathrow

Wed 10/14

1:05 pm-7:15 pm

1 stop11h 10m

$892

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Wed 9/9

3:20 pm-8:35 am

2 stops12h 15m

London Heathrow

Tue 9/15

6:50 am-5:14 pm

2 stops15h 24m

$935

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Thu 8/27

11:59 am-6:20 am

1 stop13h 21m

London Heathrow

Thu 9/3

6:30 am-6:23 pm

2 stops16h 53m

$985

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Thu 9/10

8:00 am-6:25 am

1 stop17h 25m

London Heathrow

Thu 9/17

9:55 am-9:56 pm

2 stops17h 01m

$985

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Mon 11/23

8:00 pm-6:40 am

1 stop29h 40m

London Heathrow

Mon 11/30

6:00 pm-6:36 pm

1 stop29h 36m

$985

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Wed 9/2

10:25 am-5:55 am

2 stops14h 30m

London Heathrow

Sun 9/6

6:50 am-5:12 pm

2 stops15h 22m

$989

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Thu 8/27

10:59 am-6:45 am

1 stop14h 46m

London Heathrow

Thu 9/3

6:15 am-5:15 pm

2 stops16h 00m

$992
Cheapest one-way
Quickest one-way

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Mon 1/25

9:15 pm-9:40 am

Nonstop7h 25m

$325

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/25

Showing 1-10 of 19 resultsSorted by cheapest first
1
2

Compare providers for flights from Pittsburgh to Heathrow

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 Heathrow in July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
GurufarePrice 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 Heathrow Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Pittsburgh-London Heathrow Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Pittsburgh-London Heathrow Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Pittsburgh-London Heathrow Airport 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 Heathrow Airport 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 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?

Booking 62 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, February is the cheapest month in which you can book a flight from Pittsburgh to London Heathrow Airport (average of $690). Flying from Pittsburgh to London Heathrow Airport in December is currently the most expensive (average of $1,388). 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 July 30, 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Pittsburgh to London Heathrow Airport as you normally would.

How much does it cost to fly round-trip from Pittsburgh to London Heathrow Airport?

Airfare is typical for this route at the moment.

Pittsburgh to London Heathrow Airport flights typically cost between $724 and $992 in November.
The cheapest round-trip price found within the last 5 days was $743 on Multiple Airlines (Nov 1-Nov 3).

The best insider tips for Pittsburgh to London Heathrow Airport 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 Heathrow Airport 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.

Read more
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.

Read more

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 July 30, 2026.
Get a feel of what it's like to fly with American Airlines,JetBlue, andIcelandair 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
7.1
Good
11,841 reviews

Crew

7.9

Entertainment

6.8

Food

6.4

Comfort

7.2

Overall

7.1

Boarding

7.5

Reviews

1 / 20
4.0
Okay

Cameron,Nov 2025

PDX - LHR

The plane was very old...had no WiFi available. The crew were not friendly nor helpful.
American Airlines
7.1
Good
11,841 reviews
American Airlines
7.1
Good
11,841 reviews

Crew

7.9

Entertainment

6.8

Food

6.4

Comfort

7.2

Overall

7.1

Boarding

7.5

Reviews

1 / 20
4.0
Okay

Cameron,Nov 2025

PDX - LHR

The plane was very old...had no WiFi available. The crew were not friendly nor helpful.
JetBlue
7.1
Good
3,030 reviews
American Airlines
7.1
Good
11,841 reviews

Crew

7.9

Entertainment

6.8

Food

6.4

Comfort

7.2

Overall

7.1

Boarding

7.5

Reviews

1 / 20
4.0
Okay

Cameron,Nov 2025

PDX - LHR

The plane was very old...had no WiFi available. The crew were not friendly nor helpful.
Icelandair
7.0
Good
716 reviews
American Airlines
7.1
Good
11,841 reviews

Crew

7.9

Entertainment

6.8

Food

6.4

Comfort

7.2

Overall

7.1

Boarding

7.5

Reviews

1 / 20
4.0
Okay

Cameron,Nov 2025

PDX - LHR

The plane was very old...had no WiFi available. The crew were not friendly nor helpful.
Lufthansa
6.8
Okay
8,165 reviews
American Airlines
7.1
Good
11,841 reviews

Crew

7.9

Entertainment

6.8

Food

6.4

Comfort

7.2

Overall

7.1

Boarding

7.5

Reviews

1 / 20
4.0
Okay

Cameron,Nov 2025

PDX - LHR

The plane was very old...had no WiFi available. The crew were not friendly nor helpful.
British Airways
6.7
Okay
8,129 reviews
American Airlines
7.1
Good
11,841 reviews

Crew

7.9

Entertainment

6.8

Food

6.4

Comfort

7.2

Overall

7.1

Boarding

7.5

Reviews

1 / 20
4.0
Okay

Cameron,Nov 2025

PDX - LHR

The plane was very old...had no WiFi available. The crew were not friendly nor helpful.

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. 9 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 5 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 Icelandair 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 $522, Icelandair will fly you from Pittsburgh to London Heathrow Airport and back. In addition to Icelandair, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from British Airways and United Airlines - these airlines can fly you to your destination from $565 and $583, respectively. Icelandair is priced at 44% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Pittsburgh to London Heathrow Airport one-way?

    $236 is the cheapest one-way deal found within the past few days, from Icelandair. You may also be able to find cheap deals on JetBlue and British Airways, with prices starting from $298 and $374, respectively.

  • 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 (77%), Aer Lingus (77%) or Finnair (77%) 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 $2,350, our data shows the cheapest flight currently is $339. When looking at the most popular route, (Pittsburgh - London Heathrow), you can expect to pay $698 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, February is the cheapest month in which you can book a flight from Pittsburgh to London Heathrow Airport (average of $690). Flying from Pittsburgh to London Heathrow Airport in December is currently the most expensive (average of $1,388). 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
Ilford
Dorking
Hounslow
Winchester
Croydon
Gatwick
Wembley
Harrow
Eastleigh
Southend-on-Sea
Watford
Northampton
Dartford
Chipping Norton
Kingston upon Thames
Eastbourne
Slough
Stansted
Sutton
Luton

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.

Top 9 airlines flying from Pittsburgh to Heathrow

Discover the top 9 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 July 30, 2026.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$522Average$790FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$565Average$969FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$583Average$865FlexibilityNo cancel feeOn-time69%
IberiaCheapest$588Average$785FlexibilityNo cancel feeOn-time77%
JetBlueCheapest$638Average$870FlexibilityNo cancel feeOn-time62%
Air CanadaCheapest$647Average$1,213FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$651Average$1,066FlexibilityNo cancel feeOn-time71%
LufthansaCheapest$687Average$740FlexibilityNo cancel feeOn-time76%
FinnairCheapest$689Average$801FlexibilityNo cancel feeOn-time76%

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.