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$319+ 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 5/1. Fares are subject to change and may not be available on all flights or dates of travel.
PIT — LHR
Apr 1 — Apr 81
Tue 4/1
Tue 4/8
1 adult, Economy
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1. Tell us where you want to go
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Cheapflights Tip: The best prices from Pittsburgh to London Heathrow are usually found in October or January, booked 73 days in advance, depart on a Wednesday or Sunday and return on a Tuesday

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 March 27, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$645
(JetBlue)

One-way from

$319
(JetBlue Airways)

Popular in

June

Cheapest in

October

Average price

$714

Good round-trip deal

$794 or less

Good one-way deal

$537 or less
Provider with most accurate pricing for Pittsburgh-London Heathrow flight deals.
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Provider most trusted by Cheapflights users for Pittsburgh-London Heathrow flights.
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From Pittsburgh to London Heathrow
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One-way flight from Pittsburgh to London Heathrow
Search Deals
Highest demand for flights based on searches. 20% potential increase in price ($220 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($32 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Price to beat on a round-trip flight from Pittsburgh to London Heathrow.
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Price to beat on a one-way flight from Pittsburgh to London Heathrow.
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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 March 27, 2025.

This JetBlue deal was found by Cheapflights users on 3/27. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/212:40 pmPIT - LHR
1 stop12h 50mJetBlue
Wed 4/98:25 amLHR - PIT
1 stop17h 33mJetBlue
Deal found 3/27$645
This Icelandair deal was found by Cheapflights users on 3/26. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/268:30 pmPIT - LHR
1 stop10h 25mIcelandair
Mon 9/89:25 pmLHR - PIT
1 stop26h 55mIcelandair
Deal found 3/26$647
This Mytrip deal was found by Cheapflights users on 3/25. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/249:07 pmPIT - LHR
2 stops31h 28mMultiple Airlines
Thu 5/19:30 amLHR - PIT
2 stops15h 42mMultiple Airlines
Deal found 3/25$656
This Iberia deal was found by Cheapflights users on 3/26. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/129:45 pmPIT - LHR
Nonstop7h 20mIberia
Wed 8/204:40 pmLHR - PIT
Nonstop8h 05mIberia
Deal found 3/26$657
This Booking.com deal was found by Cheapflights users on 3/26. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/204:25 pmPIT - LHR
1 stop10h 40mBritish Airways
Tue 4/294:40 pmLHR - PIT
Nonstop8h 05mBritish Airways
Deal found 3/26$664
This United deal was found by Cheapflights users on 3/27. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/63:15 pmPIT - LHR
1 stop13h 45mUnited Airlines
Wed 10/221:30 pmLHR - PIT
2 stops14h 08mUnited Airlines
Deal found 3/27$683
This Air Canada deal was found by Cheapflights users on 3/26. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/243:15 pmPIT - LHR
1 stop13h 45mAir Canada
Tue 9/306:00 amLHR - PIT
2 stops14h 34mAir Canada
Deal found 3/26$690
This Scandinavian Airlines deal was found by Cheapflights users on 3/27. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/711:50 amPIT - LHR
2 stops23h 10mScandinavian Airlines
Wed 5/216:40 amLHR - PIT
2 stops21h 30mScandinavian Airlines
Deal found 3/27$699
This American Airlines deal was found by Cheapflights users on 3/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/206:29 pmPIT - LHR
1 stop10h 51mAmerican Airlines
Tue 4/294:40 pmLHR - PIT
Nonstop8h 05mAmerican Airlines
Deal found 3/27$706
This Delta deal was found by Cheapflights users on 3/25. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/166:05 pmPIT - LHR
2 stops14h 05mDelta
Tue 4/226:30 amLHR - PIT
2 stops14h 24mDelta
Deal found 3/25$707
This KLM deal was found by Cheapflights users on 3/26. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/232:39 pmPIT - LHR
1 stop11h 06mKLM
Tue 4/291:05 pmLHR - PIT
1 stop12h 36mKLM
Deal found 3/26$717
This Finnair deal was found by Cheapflights users on 3/27. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/209:40 pmPIT - LHR
Nonstop7h 25mFinnair
Tue 4/294:40 pmLHR - PIT
Nonstop8h 05mFinnair
Deal found 3/27$817

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 March 27, 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 4/8

12:40 pm-6:30 am

1 stop12h 50m

London Heathrow

Wed 4/16

8:25 am-3:34 pm

1 stop12h 09m

$645

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Tue 8/26

8:30 pm-11:55 am

1 stop10h 25m

London Heathrow

Mon 9/8

9:25 pm-7:20 pm

1 stop26h 55m

$647

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Thu 4/24

9:07 pm-9:35 am

2 stops31h 28m

London Heathrow

Thu 5/1

9:30 am-8:12 pm

2 stops15h 42m

$656

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Tue 8/12

9:45 pm-10:05 am

Nonstop7h 20m

London Heathrow

Wed 8/20

4:40 pm-7:45 pm

Nonstop8h 05m

$657

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Sun 4/20

4:25 pm-8:05 am

1 stop10h 40m

London Heathrow

Tue 4/29

4:40 pm-7:45 pm

Nonstop8h 05m

$664

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Wed 5/7

11:50 am-4:00 pm

2 stops23h 10m

London Heathrow

Wed 5/21

6:40 am-11:10 pm

2 stops21h 30m

$699

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Tue 4/22

4:05 pm-10:00 am

2 stops12h 55m

London Heathrow

Tue 4/29

5:40 pm-3:28 pm

2 stops26h 48m

$702

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Sun 4/20

6:29 pm-10:20 am

1 stop10h 51m

London Heathrow

Tue 4/29

4:40 pm-7:45 pm

Nonstop8h 05m

$706

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Wed 4/16

6:05 pm-1:10 pm

2 stops14h 05m

London Heathrow

Tue 4/22

6:30 am-3:54 pm

2 stops14h 24m

$707

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Wed 4/23

2:39 pm-6:45 am

1 stop11h 06m

London Heathrow

Tue 4/29

1:05 pm-8:41 pm

1 stop12h 36m

$717

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/26

Showing 1-10 of 27 results
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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 March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
ScholarTripPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*3 stars
oojoPrice Accuracy3 starsTrust Score*2 stars

*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.

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 shorter wait times.

Read more about PITby John Walton
LHR

Take the Heathrow Express for the fastest route to central London. It connects to Paddington Station for further travel options.

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 March 21, 2025.

Booking 73 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 $1,115). 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 March 27, 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 16% on your trip compared to booking a flight in the evening.

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.

Rainfall in Heathrow by month

Plan your trip to Heathrow by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in London Heathrow Airport ranges from 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. July is typically the driest time to visit London Heathrow Airport when rainfall is around 1.6 in.

Temperature in Heathrow by month

Plan your trip to Heathrow by taking into account the average temperature totals by month.

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

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 March 27, 2025.
Get a feel of what it's like to fly with Delta, KLM and Finnair from Pittsburgh to London by reading reviews from past customers. 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.
Delta
8.0
Very good
7,894 reviews

Comfort

8.0

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,894 reviews
Delta
8.0
Very good
7,894 reviews

Comfort

8.0

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,321 reviews
Delta
8.0
Very good
7,894 reviews

Comfort

8.0

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Finnair
7.6
Good
1,267 reviews
Delta
8.0
Very good
7,894 reviews

Comfort

8.0

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Austrian Airlines
7.5
Good
769 reviews
Delta
8.0
Very good
7,894 reviews

Comfort

8.0

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
SWISS
7.5
Good
1,569 reviews
Delta
8.0
Very good
7,894 reviews

Comfort

8.0

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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. 10 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 0 outbound flights to London Heathrow per day.

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

    Currently priced at $645, JetBlue will fly you from Pittsburgh to London Heathrow Airport and back. In addition to JetBlue, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Icelandair and Iberia - these airlines can fly you to your destination from $647 and $657, respectively. JetBlue is priced at 24% 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?

    $319 is the cheapest one-way deal found within the past few days, from JetBlue. You may also be able to find cheap deals on Icelandair and Aer Lingus, with prices starting from $390 and $467, 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 Malaysia Airlines (82%), American Airlines (81%) or Aer Lingus (81%) 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 $2,579, our data shows the cheapest flight currently is $433. When looking at the most popular route, (Pittsburgh - London Heathrow), you can expect to pay $518 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 $1,115). 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 Pittsburgh?

Book flights to Pittsburgh if you plan to visit one of these locations
Hounslow
Hayes
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Wembley
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Gatwick
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Watford
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Alternative routes for Pittsburgh to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from Pittsburgh to Heathrow

Discover the top 10 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 March 27, 2025.
AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest$501Average$796FlexibilityNo cancel feeOn-time72%
IcelandairCheapest$503Average$740FlexibilityNo cancel feeOn-time76%
JetBlueCheapest$563Average$853FlexibilityNo cancel feeOn-time62%
FinnairCheapest$604Average$855FlexibilityNo cancel feeOn-time76%
DeltaCheapest$614Average$823FlexibilityNo cancel feeOn-timeN/A
IberiaCheapest$616Average$769FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$642Average$873FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$644Average$822FlexibilityNo cancel feeOn-time70%
Air CanadaCheapest$654Average$809FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$661Average$995FlexibilityNo cancel feeOn-time69%
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