$254+ 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 10/7. Fares are subject to change and may not be available on all flights or dates of travel.
PIT — LHR
Sep 12 — Sep 191
Round-trip
1 adult, Economy
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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 60 days in advance, depart on a Wednesday or Friday and return on a Tuesday
Cheap flight deals from Pittsburgh to Heathrow
Cheapest
Best
Last-minute
One-way
Cheapest flights from Pittsburgh to HeathrowExplore 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 August 13, 2026.
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 August 13, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 8/12. 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 10/118:25 pm -
1 stop18h 55m
Fri 10/161:05 pm -
1 stop11h 10m
Deal found 8/12![Icelandair logo]()
$700
This Justfly.com deal was found by Cheapflights users on 8/11. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/78:25 pm -
1 stop18h 55m
Tue 10/139:25 pm -
1 stop26h 50m
Deal found 8/11![Icelandair logo]()
$716
This Gotogate deal was found by Cheapflights users on 8/12. 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 9/68:25 pm -
1 stop10h 30m
Tue 9/159:25 pm -
1 stop26h 50m
Deal found 8/12![Icelandair logo]()
$724
This Kiwi.com deal was found by Cheapflights users on 8/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/78:25 pm -
1 stop10h 30m
Sun 10/111:05 pm -
1 stop11h 10m
Deal found 8/11![Icelandair logo]()
$736
This Icelandair deal was found by Cheapflights users on 8/11. 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.
Fri 10/98:25 pm -
1 stop18h 55m
Tue 10/139:25 pm -
1 stop26h 50m
Deal found 8/11![Icelandair logo]()
$739
This Icelandair deal was found by Cheapflights users on 8/9. 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 9/208:25 pm -
1 stop10h 30m
Sun 10/111:05 pm -
1 stop11h 10m
Deal found 8/9![Icelandair logo]()
$744
This Icelandair deal was found by Cheapflights users on 8/9. 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 9/208:25 pm -
1 stop10h 30m
Thu 10/159:25 pm -
1 stop26h 50m
Deal found 8/9![Icelandair logo]()
$745
This Cheapflightsfares deal was found by Cheapflights users on 8/11. 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.
Fri 10/28:25 pm -
1 stop10h 30m
Fri 10/91:05 pm -
1 stop11h 10m
Deal found 8/11![Icelandair logo]()
$748
This Gotogate deal was found by Cheapflights users on 8/13. 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 9/278:25 pm -
1 stop10h 30m
Sun 10/41:05 pm -
1 stop11h 10m
Deal found 8/13![Icelandair logo]()
$749
This KAYAK deal was found by Cheapflights users on 8/12. 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 9/238:25 pm -
1 stop18h 55m
Tue 9/299:25 pm -
1 stop26h 50m
Deal found 8/12![Icelandair logo]()
$757
This deal was found by Cheapflights users on 8/11. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/28:25 pm -
1 stop10h 30m
Sun 10/41:05 pm -
1 stop11h 10m
Deal found 8/11![Icelandair logo]()
$761
Best flights from Pittsburgh to HeathrowDiscover carefully curated flight deals from Pittsburgh to Heathrow that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 13, 2026.
Discover carefully curated flight deals from Pittsburgh to Heathrow that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 13, 2026.
This JetBlue deal was found by Cheapflights users on 8/10. 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.
Sun 10/49:07 am -
1 stop16h 23m
Wed 10/78:40 am -
1 stop13h 53m
Deal found 8/10![JetBlue logo]()
$896
This United Airlines deal was found by Cheapflights users on 8/10. 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 9/93:20 pm -
2 stops13h 40m
Fri 9/186:50 am -
2 stops15h 24m
Deal found 8/10![United Airlines logo]()
$940
This Delta deal was found by Cheapflights users on 8/10. 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 9/225:15 pm -
2 stops15h 00m
Mon 10/126:30 am -
2 stops14h 47m
Deal found 8/10![Delta logo]()
$991
This TAP AIR PORTUGAL deal was found by Cheapflights users on 8/10. 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/216:40 pm -
3 stops18h 05m
Fri 11/2012:25 pm -
2 stops16h 27m
Deal found 8/10![Multiple Airlines logo]()
$994
This British Airways deal was found by Cheapflights users on 8/10. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2212:49 pm -
1 stop13h 31m
Mon 10/124:40 pm -
Nonstop8h 10m
Deal found 8/10![British Airways logo]()
$1,006
This TAP AIR PORTUGAL deal was found by Cheapflights users on 8/11. 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/236:35 pm -
2 stops18h 10m
Tue 9/298:00 am -
2 stops29h 17m
Deal found 8/11![TAP AIR PORTUGAL logo]()
$1,009
This United Airlines deal was found by Cheapflights users on 8/11. 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.
Fri 9/254:16 pm -
2 stops13h 24m
Fri 10/26:50 am -
2 stops15h 30m
Deal found 8/11![United Airlines logo]()
$992
This British Airways deal was found by Cheapflights users on 8/8. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/311:06 pm -
1 stop13h 09m
Wed 11/113:55 pm -
Nonstop8h 25m
Deal found 8/8![British Airways logo]()
$1,006
This TAP AIR PORTUGAL deal was found by Cheapflights users on 8/10. 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1012:41 pm -
2 stops21h 54m
Sat 10/178:00 am -
3 stops29h 27m
Deal found 8/10![TAP AIR PORTUGAL logo]()
$1,032
This British Airways deal was found by Cheapflights users on 8/9. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/179:45 pm -
Nonstop7h 20m
Tue 10/271:50 pm -
1 stop13h 35m
Deal found 8/9![British Airways logo]()
$1,011
This TAP AIR PORTUGAL deal was found by Cheapflights users on 8/11. 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/186:30 pm -
3 stops22h 30m
Tue 10/278:15 am -
3 stops39h 45m
Deal found 8/11![TAP AIR PORTUGAL logo]()
$1,045
Last-minute flights from Pittsburgh to HeathrowDiscover last-minute flight deals from Pittsburgh to Heathrow. Data last updated August 13, 2026 and is based on user searches.
Discover last-minute flight deals from Pittsburgh to Heathrow. Data last updated August 13, 2026 and is based on user searches.
This Gotogate deal was found by Cheapflights users on 8/12. 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 9/68:25 pm -
1 stop10h 30m
Tue 9/159:25 pm -
1 stop26h 50m
Deal found 8/12![Icelandair logo]()
$724
This Flysmarter deal was found by Cheapflights users on 8/10. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/68:25 pm -
1 stop10h 30m
Tue 9/158:15 am -
1 stop20h 29m
Deal found 8/10![Multiple Airlines logo]()
$825
This Gotogate deal was found by Cheapflights users on 8/12. 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 9/138:25 pm -
1 stop10h 30m
Tue 9/229:25 pm -
1 stop26h 50m
Deal found 8/12![Icelandair logo]()
$829
This Icelandair deal was found by Cheapflights users on 8/9. 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 9/208:25 pm -
1 stop10h 30m
Sun 10/111:05 pm -
1 stop11h 10m
Deal found 8/9![Icelandair logo]()
$744
This Icelandair deal was found by Cheapflights users on 8/9. 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 9/208:25 pm -
1 stop10h 30m
Thu 10/159:25 pm -
1 stop26h 50m
Deal found 8/9![Icelandair logo]()
$745
This Mytrip deal was found by Cheapflights users on 8/8. 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 -
1 stop10h 30m
Wed 9/301:05 pm -
3 stops30h 17m
Deal found 8/8![Multiple Airlines logo]()
$785
This Icelandair deal was found by Cheapflights users on 8/9. 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 9/208:25 pm -
1 stop10h 30m
Wed 10/141:05 pm -
1 stop11h 10m
Deal found 8/9![Icelandair logo]()
$794
This Cheapflightsfares deal was found by Cheapflights users on 8/8. 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 9/208:25 pm -
1 stop18h 55m
Wed 9/301:05 pm -
1 stop11h 10m
Deal found 8/8![Icelandair logo]()
$808
This KAYAK deal was found by Cheapflights users on 8/12. 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 9/238:25 pm -
1 stop18h 55m
Tue 9/299:25 pm -
1 stop26h 50m
Deal found 8/12![Icelandair logo]()
$757
This Gotogate deal was found by Cheapflights users on 8/13. 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 9/278:25 pm -
1 stop10h 30m
Sun 10/41:05 pm -
1 stop11h 10m
Deal found 8/13![Icelandair logo]()
$749
One-way flights from Pittsburgh to HeathrowSearch for one-way flight options from Pittsburgh to Heathrow. Find affordable one-way fares based on user searches. Data last updated August 13, 2026.
Search for one-way flight options from Pittsburgh to Heathrow. Find affordable one-way fares based on user searches. Data last updated August 13, 2026.
This oojo deal was found by Cheapflights users on 8/8. 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.
Wed 10/78:25 pm -
1 stop10h 30m
Deal found 8/8![Icelandair logo]()
$254
This oojo deal was found by Cheapflights users on 8/11. 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 10/118:25 pm -
1 stop18h 55m
Deal found 8/11![Icelandair logo]()
$260
This oojo deal was found by Cheapflights users on 8/8. 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 9/68:25 pm -
1 stop10h 30m
Deal found 8/8![Icelandair logo]()
$261
This Kiwi.com deal was found by Cheapflights users on 8/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/98:25 pm -
1 stop18h 55m
Deal found 8/12![Icelandair logo]()
$279
This Mytrip deal was found by Cheapflights users on 8/8. 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 10/148:25 pm -
2 stops20h 15m
Deal found 8/8![Multiple Airlines logo]()
$300
This oojo deal was found by Cheapflights users on 8/9. 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.
Wed 9/98:25 pm -
1 stop18h 55m
Deal found 8/9![Icelandair logo]()
$316
This Kiwi.com deal was found by Cheapflights users on 8/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/248:25 pm -
2 stops20h 15m
Deal found 8/10![Multiple Airlines logo]()
$319
This Kiwi.com deal was found by Cheapflights users on 8/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/78:25 pm -
2 stops20h 10m
Deal found 8/10![Multiple Airlines logo]()
$322
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 August 13, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $700 (Cheapflightsfares) |
One-way from | $254 (oojo) |
Popular in | December |
Cheapest in | February |
Average price | $930 |
Good round-trip deal | $987 or less |
Good one-way deal | $504 or less |
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 August 13, 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
Cheapest round-trip
PittsburghLondon
PIT Pittsburgh - LHR London Heathrow
PITLHR
Pittsburgh
Sun 10/4
9:07 am-6:30 am
1 stop16h 23m
London Heathrow
Wed 10/7
8:40 am-5:33 pm
1 stop13h 53m
$896
PittsburghLondon
PIT Pittsburgh - LHR London Heathrow
PITLHR
Pittsburgh
Wed 9/9
3:20 pm-10:00 am
2 stops13h 40m
London Heathrow
Fri 9/18
6:50 am-5:14 pm
2 stops15h 24m
$940
PittsburghLondon
PIT Pittsburgh - LHR London Heathrow
PITLHR
Pittsburgh
Tue 9/22
5:15 pm-1:15 pm
2 stops15h 00m
London Heathrow
Mon 10/12
6:30 am-4:17 pm
2 stops14h 47m
$991
PittsburghLondon
PIT Pittsburgh - LHR London Heathrow
PITLHR
Pittsburgh
Fri 9/25
4:16 pm-10:40 am
2 stops13h 24m
London Heathrow
Fri 10/2
6:50 am-5:20 pm
2 stops15h 30m
$992
PittsburghLondon
PIT Pittsburgh - LHR London Heathrow
PITLHR
Pittsburgh
Wed 10/21
6:40 pm-5:45 pm
3 stops18h 05m
London Heathrow
Fri 11/20
12:25 pm-11:52 pm
2 stops16h 27m
$994
PittsburghLondon
PIT Pittsburgh - LHR London Heathrow
PITLHR
Pittsburgh
Tue 9/22
12:49 pm-7:20 am
1 stop13h 31m
London Heathrow
Mon 10/12
4:40 pm-7:50 pm
Nonstop8h 10m
$1,006
PittsburghLondon
PIT Pittsburgh - LHR London Heathrow
PITLHR
Pittsburgh
Sat 10/31
1:06 pm-6:15 am
1 stop13h 09m
London Heathrow
Wed 11/11
3:55 pm-7:20 pm
Nonstop8h 25m
$1,006
PittsburghLondon
PIT Pittsburgh - LHR London Heathrow
PITLHR
Pittsburgh
Wed 9/23
6:35 pm-5:45 pm
2 stops18h 10m
London Heathrow
Tue 9/29
8:00 am-8:17 am
2 stops29h 17m
$1,009
Quickest round-trip
PittsburghLondon
PIT Pittsburgh - LHR London Heathrow
PITLHR
Pittsburgh
Sat 10/17
9:45 pm-10:05 am
Nonstop7h 20m
London Heathrow
Tue 10/27
1:50 pm-11:25 pm
1 stop13h 35m
$1,011
PittsburghLondon
PIT Pittsburgh - LHR London Heathrow
PITLHR
Pittsburgh
Sat 10/10
12:41 pm-3:35 pm
2 stops21h 54m
London Heathrow
Sat 10/17
8:00 am-8:27 am
3 stops29h 27m
$1,032
Showing 1-10 of 21 resultsSorted by cheapest first
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 August.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
- 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.
PIT-LHR
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
Prices
Airlines
How far ahead should I book a flight from Pittsburgh to London Heathrow Airport?
Booking 59 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 August 13, 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.
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
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 August 13, 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.
Comfort
7.2
Crew
7.9
Food
6.4
Overall
7.1
Entertainment
6.8
Boarding
7.5
Reviews
1 / 20
4.0
OkayCameron,Nov 2025
PDX - LHR
Comfort
7.2
Crew
7.9
Food
6.4
Overall
7.1
Entertainment
6.8
Boarding
7.5
Reviews
1 / 20
4.0
OkayCameron,Nov 2025
PDX - LHR
Comfort
7.2
Crew
7.9
Food
6.4
Overall
7.1
Entertainment
6.8
Boarding
7.5
Reviews
1 / 20
4.0
OkayCameron,Nov 2025
PDX - LHR
Comfort
7.2
Crew
7.9
Food
6.4
Overall
7.1
Entertainment
6.8
Boarding
7.5
Reviews
1 / 20
4.0
OkayCameron,Nov 2025
PDX - LHR
Comfort
7.2
Crew
7.9
Food
6.4
Overall
7.1
Entertainment
6.8
Boarding
7.5
Reviews
1 / 20
4.0
OkayCameron,Nov 2025
PDX - LHR
Comfort
7.2
Crew
7.9
Food
6.4
Overall
7.1
Entertainment
6.8
Boarding
7.5
Reviews
1 / 20
4.0
OkayCameron,Nov 2025
PDX - LHR
Related info for your journey
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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 August 13, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$522 | Average$790 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$583 | Average$865 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$587 | Average$987 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$588 | Average$1,000 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$640 | Average$875 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$647 | Average$1,213 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$659 | Average$1,075 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$687 | Average$740 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$689 | Average$1,004 | FlexibilityNo cancel fee | On-time76% |