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585 € Cheap Flights from Pittsburgh International to London Heathrow

Compare Pittsburgh International to London Heathrow flight deals

Find the cheapest month or even day of the year to fly to London Heathrow

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Flight deals from Pittsburgh International to London Heathrow

Looking for a cheap last-minute deal or the best return flight from Pittsburgh International Airport to London Heathrow Airport? If you want to travel next month, return fares start from 620 €. Find the lowest prices on one-way and return tickets right here.
London.585 € per passenger.Departing Sun, 11 Oct, returning Sun, 18 Oct.Return flight with Icelandair and Scandinavian Airlines.Outbound indirect flight with Icelandair, departs from Pittsburgh International on Sun, 11 Oct, arriving in London Heathrow.Inbound indirect flight with Scandinavian Airlines, departs from London Heathrow on Sun, 18 Oct, arriving in Pittsburgh International.Price includes taxes and charges.From 585 €, select.
London.601 € per passenger.Departing Wed, 23 Sep, returning Tue, 6 Oct.Return flight with Icelandair.Outbound indirect flight with Icelandair, departs from Pittsburgh International on Wed, 23 Sep, arriving in London Heathrow.Inbound indirect flight with Icelandair, departs from London Heathrow on Tue, 6 Oct, arriving in Pittsburgh International.Price includes taxes and charges.From 601 €, select.
London.620 € per passenger.Departing Mon, 10 Aug, returning Mon, 24 Aug.Return flight with Icelandair and Scandinavian Airlines.Outbound indirect flight with Icelandair, departs from Pittsburgh International on Mon, 10 Aug, arriving in London Heathrow.Inbound indirect flight with Scandinavian Airlines, departs from London Heathrow on Mon, 24 Aug, arriving in Pittsburgh International.Price includes taxes and charges.From 620 €, select.
London.643 € per passenger.Departing Mon, 24 Aug, returning Tue, 1 Sep.Return flight with Icelandair and Scandinavian Airlines.Outbound indirect flight with Icelandair, departs from Pittsburgh International on Mon, 24 Aug, arriving in London Heathrow.Inbound indirect flight with Scandinavian Airlines, departs from London Heathrow on Tue, 1 Sep, arriving in Pittsburgh International.Price includes taxes and charges.From 643 €, select.
London.654 € per passenger.Departing Wed, 9 Sep, returning Wed, 23 Sep.Return flight with Icelandair.Outbound indirect flight with Icelandair, departs from Pittsburgh International on Wed, 9 Sep, arriving in London Heathrow.Inbound indirect flight with Icelandair, departs from London Heathrow on Wed, 23 Sep, arriving in Pittsburgh International.Price includes taxes and charges.From 654 €, select.
London.669 € per passenger.Departing Sat, 7 Nov, returning Wed, 11 Nov.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Pittsburgh International on Sat, 7 Nov, arriving in London Heathrow.Inbound indirect flight with Air Canada, departs from London Heathrow on Wed, 11 Nov, arriving in Pittsburgh International.Price includes taxes and charges.From 669 €, select.
London.677 € per passenger.Departing Sun, 4 Oct, returning Sun, 8 Nov.Return flight with Icelandair and Vueling Airlines.Outbound indirect flight with Icelandair, departs from Pittsburgh International on Sun, 4 Oct, arriving in London Heathrow.Inbound indirect flight with Vueling Airlines, departs from London Heathrow on Sun, 8 Nov, arriving in Pittsburgh International.Price includes taxes and charges.From 677 €, select.
London.718 € per passenger.Departing Sat, 28 Nov, returning Wed, 2 Dec.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Pittsburgh International on Sat, 28 Nov, arriving in London Heathrow.Inbound indirect flight with Air Canada, departs from London Heathrow on Wed, 2 Dec, arriving in Pittsburgh International.Price includes taxes and charges.From 718 €, select.
London.727 € per passenger.Departing Sat, 23 Jan, returning Sat, 30 Jan.Return flight with jetBlue and Vueling Airlines.Outbound indirect flight with jetBlue, departs from Pittsburgh International on Sat, 23 Jan, arriving in London Heathrow.Inbound indirect flight with Vueling Airlines, departs from London Heathrow on Sat, 30 Jan, arriving in Pittsburgh International.Price includes taxes and charges.From 727 €, select.
London.727 € per passenger.Departing Fri, 12 Feb, returning Mon, 15 Feb.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Pittsburgh International on Fri, 12 Feb, arriving in London Heathrow.Inbound indirect flight with Air Canada, departs from London Heathrow on Mon, 15 Feb, arriving in Pittsburgh International.Price includes taxes and charges.From 727 €, select.
London.730 € per passenger.Departing Fri, 5 Mar, returning Mon, 15 Mar.Return flight with jetBlue and Vueling Airlines.Outbound indirect flight with jetBlue, departs from Pittsburgh International on Fri, 5 Mar, arriving in London Heathrow.Inbound indirect flight with Vueling Airlines, departs from London Heathrow on Mon, 15 Mar, arriving in Pittsburgh International.Price includes taxes and charges.From 730 €, select.
London.742 € per passenger.Departing Thu, 6 May, returning Sat, 8 May.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Pittsburgh International on Thu, 6 May, arriving in London Heathrow.Inbound indirect flight with Air Canada, departs from London Heathrow on Sat, 8 May, arriving in Pittsburgh International.Price includes taxes and charges.From 742 €, select.
London.752 € per passenger.Departing Fri, 4 Dec, returning Fri, 11 Dec.Return flight with jetBlue and Vueling Airlines.Outbound indirect flight with jetBlue, departs from Pittsburgh International on Fri, 4 Dec, arriving in London Heathrow.Inbound indirect flight with Vueling Airlines, departs from London Heathrow on Fri, 11 Dec, arriving in Pittsburgh International.Price includes taxes and charges.From 752 €, select.
London.754 € per passenger.Departing Tue, 16 Feb, returning Tue, 2 Mar.Return flight with Iberia.Outbound indirect flight with Iberia, departs from Pittsburgh International on Tue, 16 Feb, arriving in London Heathrow.Inbound indirect flight with Iberia, departs from London Heathrow on Tue, 2 Mar, arriving in Pittsburgh International.Price includes taxes and charges.From 754 €, select.
London.757 € per passenger.Departing Tue, 13 Apr, returning Tue, 27 Apr.Return flight with Iberia.Outbound indirect flight with Iberia, departs from Pittsburgh International on Tue, 13 Apr, arriving in London Heathrow.Inbound indirect flight with Iberia, departs from London Heathrow on Tue, 27 Apr, arriving in Pittsburgh International.Price includes taxes and charges.From 757 €, select.
London.757 € per passenger.Departing Tue, 30 Mar, returning Wed, 7 Apr.Return flight with Iberia.Outbound indirect flight with Iberia, departs from Pittsburgh International on Tue, 30 Mar, arriving in London Heathrow.Inbound indirect flight with Iberia, departs from London Heathrow on Wed, 7 Apr, arriving in Pittsburgh International.Price includes taxes and charges.From 757 €, select.

Find the cheapest month to fly from Pittsburgh International to London Heathrow

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Pittsburgh International to London Heathrow flights are currently cheapest in October.
Jul
from 1.007 €
Aug
from 620 €
Sep
from 654 €
Oct
from 585 €
Nov
from 669 €
Dec
from 752 €
Jan
from 727 €
Feb
from 727 €
Mar
from 730 €
Apr
from 757 €
May
from 742 €
Jun
from 982 €

Direct flights from Pittsburgh International to London Heathrow

Pittsburgh International to London Heathrow: Alternative routes

Compare routes from Pittsburgh International to London below. You may find an airport to fly into that's cheaper, faster, or easier than London Heathrow.

London City

12km from central London
Closest
from 781 €
Search flights

London Heathrow

23km from central London
from 585 €
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London Gatwick

40km from central London
from 537 €
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London Luton

45km from central London
from 636 €
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London Stansted

49km from central London
Cheapest
from 528 €
Search flights

London Southend

57km from central London
from 742 €
Search flights

Pittsburgh to London: Flight information

The things to know before you go.
Cheapest flight found585 €
Cheapest month to flyOctober
Average flight time7 hrs, 22 mins
Most popular airlineAer Lingus
Average flights per week40

Finding cheap flights from Pittsburgh International to London Heathrow: Frequently asked questions

The best price we found for a return flight from Pittsburgh International to London Heathrow is 585 €. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
7 hours and 22 minutes is the average flight time from Pittsburgh International to London Heathrow.
Aer Lingus, American Airlines and Finnair fly direct from Pittsburgh International to London Heathrow.
As of July 2026, there are 40 flights per week flying from Pittsburgh International to London Heathrow.
The cheapest month to fly from Pittsburgh International to London Heathrow is usually October.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Pittsburgh International Airport to London Heathrow Airport on Sunday, 11 October 2026.
Yes – the average flight time is 7 hours and 22 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to London Heathrow but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to London is around 40 days in advance, so don’t leave your flight to the last minute.

Currently, Icelandair and Finnair offer the cheapest flight tickets to London Heathrow.

Flying from Pittsburgh International Airport (PIT) to London Heathrow Airport (LHR): what you need to know

  • Around 7 hours 20 minutes is how long you'll be travelling on a direct flight from Pittsburgh International Airport to London Heathrow Airport.

  • London is five hours ahead of Pittsburgh and observes the UTC+0 timezone.

  • Flights from PIT to LHR start at 21:25 — the first with British Airways. The last service of the day is at 22:45 with British Airways. Overall, there are six weekly Pittsburgh International Airport to London Heathrow Airport flights.

  • For a smooth journey, turn up at the airport two hours ahead of international flights and one hour before domestic departures. This ensures you have enough time to board your PIT to LHR flight.

  • Travelling during a peak month such as July? Public holidays and other high seasons can lead to longer lines at security. Be extra cautious and arrive up to four hours ahead of an international flight and two hours before a domestic departure.

  • Flying into London (and then seeing more of the United Kingdom!) is a snap with British Airways. This popular carrier offers direct flights from Pittsburgh International Airport to London Heathrow Airport.

  • British Airways is the airline most travellers choose to fly with on this route.

  • Among carriers operating PIT to LHR flights, British Airways is the most consistent for on-time landings.

  • If you want to break up your flight, just uncheck 'Direct flights only' when searching for your ticket from Pittsburgh International Airport to London Heathrow Airport. Here are the top stopovers between PIT and LHR:

    • New York John F. Kennedy Airport

    • Boston Logan International Airport

    • Washington Dulles Airport

How to find the cheapest flights from Pittsburgh International Airport (PIT) to London Heathrow Airport (LHR)

  • 244 € is currently the lowest price for a one-way Pittsburgh International Airport to London Heathrow Airport flight. A return flight starts at 585 €. These prices may change based on demand and availability.

  • To get cheap tickets from PIT to LHR, reserve your journey one month before your departure date.

  • Organise your trip for June. That's the cheapest month for flights from Pittsburgh International Airport to London Heathrow Airport. If you're flexible with your dates, try out the 'Whole month' tool to find the lowest airfare across each month.

  • You won't have to check every day to find out if fares have gone down when you set up a Price Alert. We'll update you the moment there's a better deal on cheap flights from PIT to LHR.

  • Tailor your trip using filters. Choose your preferred departure and arrival times, total journey duration and airlines. You can also sort results by 'Cheapest,' 'Fastest' or 'Best' flights from Pittsburgh International Airport to London Heathrow Airport.

Handy information about Pittsburgh International Airport (PIT)

  • The address for PIT is 1000 Airport Boulevard.

  • 77% of flights departing from Pittsburgh International Airport land at their destination on schedule.

  • Pittsburgh International Airport is around 32 kilometres from central Pittsburgh. If you're catching a taxi, ride-sharing or driving from the centre, it'll take 30 minutes or so to get there, depending on the traffic.

  • Catching public transport? Expect a journey time of around 45 minutes.

  • Searching for a handy hotel close to PIT? If you're boarding an early flight from Pittsburgh International Airport to London Heathrow Airport, these accommodation options will have you moments from your check-in counter:

Arriving at London Heathrow Airport (LHR)

Getting from London Heathrow Airport (LHR) to central London

  • From London Heathrow Airport, London is approximately 24 kilometres away. It takes around 45 minutes to reach the centre driving.

  • It'll take around 25 minutes if you're travelling on public transport.

When to fly to London Heathrow Airport (LHR)

  • It's time to work out your dates for your flight from Pittsburgh International Airport to London Heathrow Airport. July is the busiest month to head to London. If you like a quieter vibe, go in March.

  • The warmest month in London is July, with the temperature ranging between 11ºC (52ºF) and 26ºC (79ºF). Lock in your flights from Pittsburgh International Airport to London Heathrow Airport in this month if this is the kind of weather you like.

  • Search for cheap tickets from PIT to LHR in January if you want to travel in cooler conditions. Temperatures are at their lowest around then, ranging between 0ºC (32ºF) and 9ºC (48ºF) on average.

Explore more of the United Kingdom

  • Manchester is just one of the many cities in the United Kingdom waiting to be discovered once you've seen London. Around 257 kilometres away to the north-west, its best attractions include Manchester United Museum & Stadium Tour, The Homes of Football and Museum of Science and Industry.

  • If you're looking to explore another major destination in the United Kingdom, head for Birmingham, about 161 kilometres north-west of London. Birmingham Museum & Art Gallery, Birmingham Hippodrome Theatre and Bournville Experience are among its highlights.

Plan the rest of your trip from Pittsburgh to London

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.