Cheap flight tickets 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

Book the best London Heathrow fare with no extra fees

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 RM4,943. Find the lowest prices on one-way and return tickets right here.

London.RM1,275 per passenger.Departing Mon, 30 Nov.One-way flight with Iberia.Outbound direct flight with Iberia departs from Pittsburgh International on Mon, 30 Nov, arriving in London Heathrow.Price includes taxes and charges.From RM1,275, select.

London.RM1,276 per passenger.Departing Mon, 24 Aug.One-way flight with Iberia.Outbound direct flight with Iberia departs from Pittsburgh International on Mon, 24 Aug, arriving in London Heathrow.Price includes taxes and charges.From RM1,276, select.

London.RM1,279 per passenger.Departing Mon, 28 Sep.One-way flight with Iberia.Outbound direct flight with Iberia departs from Pittsburgh International on Mon, 28 Sep, arriving in London Heathrow.Price includes taxes and charges.From RM1,279, select.

London.RM1,282 per passenger.Departing Tue, 20 Oct.One-way flight with Iberia.Outbound direct flight with Iberia departs from Pittsburgh International on Tue, 20 Oct, arriving in London Heathrow.Price includes taxes and charges.From RM1,282, select.

London.RM1,290 per passenger.Departing Sun, 9 May.One-way flight with Iberia.Outbound direct flight with Iberia departs from Pittsburgh International on Sun, 9 May, arriving in London Heathrow.Price includes taxes and charges.From RM1,290, select.

London.RM1,291 per passenger.Departing Mon, 22 Feb.One-way flight with British Airways.Outbound direct flight with British Airways departs from Pittsburgh International on Mon, 22 Feb, arriving in London Heathrow.Price includes taxes and charges.From RM1,291, select.

London.RM1,292 per passenger.Departing Sun, 24 Jan.One-way flight with Iberia.Outbound indirect flight with Iberia, departs from Pittsburgh International on Sun, 24 Jan, arriving in London Heathrow.Price includes taxes and charges.From RM1,292, select.

London.RM1,306 per passenger.Departing Wed, 2 Dec.One-way flight with Delta.Outbound indirect flight with Delta, departs from Pittsburgh International on Wed, 2 Dec, arriving in London Heathrow.Price includes taxes and charges.From RM1,306, select.

London.RM1,450 per passenger.Departing Fri, 24 Jul.One-way flight with Icelandair.Outbound indirect flight with Icelandair, departs from Pittsburgh International on Fri, 24 Jul, arriving in London Heathrow.Price includes taxes and charges.From RM1,450, select.

London.RM1,484 per passenger.Departing Sat, 16 Jan.One-way flight with British Airways.Outbound direct flight with British Airways departs from Pittsburgh International on Sat, 16 Jan, arriving in London Heathrow.Price includes taxes and charges.From RM1,484, select.

London.RM1,486 per passenger.Departing Fri, 5 Mar.One-way flight with British Airways.Outbound direct flight with British Airways departs from Pittsburgh International on Fri, 5 Mar, arriving in London Heathrow.Price includes taxes and charges.From RM1,486, select.

London.RM1,726 per passenger.Departing Sat, 26 Dec.One-way flight with British Airways.Outbound direct flight with British Airways departs from Pittsburgh International on Sat, 26 Dec, arriving in London Heathrow.Price includes taxes and charges.From RM1,726, select.

London.RM2,292 per passenger.Departing Mon, 15 Jun.One-way flight with Icelandair.Outbound indirect flight with Icelandair, departs from Pittsburgh International on Mon, 15 Jun, arriving in London Heathrow.Price includes taxes and charges.From RM2,292, select.

London.RM3,036 per passenger.Departing Mon, 1 Jun.One-way flight with Iberia.Outbound direct flight with Iberia departs from Pittsburgh International on Mon, 1 Jun, arriving in London Heathrow.Price includes taxes and charges.From RM3,036, select.

London.RM3,057 per passenger.Departing Sun, 26 Jul.One-way flight with British Airways.Outbound direct flight with British Airways departs from Pittsburgh International on Sun, 26 Jul, arriving in London Heathrow.Price includes taxes and charges.From RM3,057, select.

London.RM3,178 per passenger.Departing Sun, 31 May.One-way flight with Icelandair.Outbound indirect flight with Icelandair, departs from Pittsburgh International on Sun, 31 May, arriving in London Heathrow.Price includes taxes and charges.From RM3,178, 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 November.

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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.

Pittsburgh to London: Flight information

The things to know before you go.

Cheapest flight found	RM1,275
Cheapest month to fly	November
Average flight time	7 hrs, 22 mins
Most popular airline	Aer Lingus
Average flights per week	47

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

How much are return flights from Pittsburgh International to London Heathrow?

The best price we found for a return flight from Pittsburgh International to London Heathrow is RM3,404. 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.

How long does it take to fly from Pittsburgh International to London Heathrow?

7 hours and 22 minutes is the average flight time from Pittsburgh International to London Heathrow.

Which airlines fly direct from Pittsburgh International to London Heathrow?

Aer Lingus, American Airlines and Finnair fly direct from Pittsburgh International to London Heathrow.

How many flights are there a week from Pittsburgh International to London Heathrow?

As of May 2026, there are 47 flights per week flying from Pittsburgh International to London Heathrow.

When is the cheapest time to fly from Pittsburgh International to London Heathrow?

The cheapest month to fly from Pittsburgh International to London Heathrow is usually October.

Which upcoming date is cheapest to fly from Pittsburgh International Airport to London Heathrow Airport on?

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, 18 October 2026.

Can I get a direct flight from Pittsburgh International Airport to London Heathrow Airport?

Yes – the average flight time is 7 hours and 22 minutes.

How can I find the best flight deal to London Heathrow?

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.

When is the best time to book flights to London?

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.

Which is the cheapest airline to fly from Pittsburgh International Airport to London Heathrow with?

Currently, Iberia and British Airways 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 15 minutes is how long you can expect to be in the air on a direct flight from Pittsburgh International Airport to London Heathrow Airport.
London's timezone is UTC+0, which makes London four hours ahead of Pittsburgh.
Flights from PIT to LHR start at 21:55 — the earliest with British Airways. The last service of the day is at 23:00 with British Airways. In total, you can choose from seven weekly Pittsburgh International Airport to London Heathrow Airport flights.
Your PIT to LHR flight won't wait if you're running late, so don't forget to check in on time. Arrive up to one hour in advance for domestic flights and two hours ahead when you're flying internationally.
Be prepared for longer lines in popular months such as July. Arriving up to four hours ahead of international flights and two hours for domestic departures is a wise move.
British Airways has direct flights from Pittsburgh International Airport to London Heathrow Airport. Book with this popular airline, then get ready to see the sights in London — and maybe even more of United Kingdom if your schedule allows.
The airline with the highest booking volume on this route is British Airways.
With 66.67% of services landing on schedule, British Airways is the most punctual carrier operating PIT to LHR flights.
If you'd like to explore another city along the way, simply deselect 'Direct flights only' when searching for your ticket from Pittsburgh International Airport to London Heathrow Airport. Here are the most popular stopovers between PIT and LHR:
- Washington Dulles International Airport
- John F. Kennedy International Airport
- Logan International Airport

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

RM1,275 is the lowest price for a one-way Pittsburgh International Airport to London Heathrow Airport flight. A return flight starts at RM3,404. These fares may change depending on demand and availability.
Score cheap tickets from PIT to LHR by booking seven months ahead. Based on our research, that's the sweet spot for finding the biggest deals.
Schedule your trip for June. That's the cheapest month for flights from Pittsburgh International Airport to London Heathrow Airport. If you have flexibility with your dates, use the 'Whole month' tool to see the cheapest airfare across each month.
Never miss a deal on cheap flights from PIT to LHR by creating a Price Alert. You'll get an email or notification through the app when a new discounted fare appears.
Secure the right flight for you by using the filters. To see the 'Best,' 'Fastest' or 'Cheapest' flights from Pittsburgh International Airport to London Heathrow Airport, use the 'Sort by' function. You can also filter results by departure and arrival times, airline, and journey duration.

Handy information about Pittsburgh International Airport (PIT)

The address for PIT is 1000 Airport Boulevard.
76.88% of flights leaving from Pittsburgh International Airport arrive at their destination on schedule.
Central Pittsburgh to Pittsburgh International Airport is approximately 27 kilometres. Depending on traffic, it'll take you about 25 minutes to get there if you're driving, ride-sharing or catching a cab.
Searching for a convenient hotel close to PIT? If you've booked an early flight from Pittsburgh International Airport to London Heathrow Airport, these accommodation options will put you moments from your departure lounge:

Arriving at London Heathrow Airport (LHR)

If you're landing on a late Pittsburgh International Airport to London Heathrow Airport flight, few things beat the convenience of staying near the terminal. Pick up your bags from the carousel and then be tucked up in bed not long after at one of these options near LHR:
Pick up a London Heathrow Airport rental car and discover London and beyond with your own set of wheels. Surprice, U-Save and Green Motion are popular outlets to choose from here.
Reserving your vehicle from London Heathrow Airport around one week in advance can help you get the lowest rate.

Getting from London Heathrow Airport (LHR) to central London

London Heathrow Airport is roughly 31 kilometres from central London. Driving there takes about 55 minutes.
It'll take around 1 hour if you're using public transport.

When to fly to London Heathrow Airport (LHR)

The quietest month for a flight from Pittsburgh International Airport to London Heathrow Airport is February, while July is the most popular. Choose the best time to go to London based on whether you prefer a faster pace or a more relaxed vibe.
When booking your flight from Pittsburgh International Airport to London Heathrow Airport, think about the type of weather you enjoy. July is the warmest month in London, with temperatures ranging from 11ºC (52ºF) to 26ºC (79ºF).
January sees average temperatures of between 0ºC (32ºF) and 9ºC (48ºF). Look for cheap tickets from PIT to LHR sometime then if you like cooler conditions.

Explore more of United Kingdom

You've done London, now it's time to explore other parts of United Kingdom. Travel about 161 kilometres north-west to Birmingham to tick off its popular sights. From Cadbury World to The Library of Birmingham and National Sea Life Centre, you'll have a full itinerary ahead.
Around 177 kilometres west of London, Bristol is another favourite stop in United Kingdom. Experience major highlights starting with Clifton Suspension Bridge, Cabot Tower and Brandon Hill Nature Park.