Cheap flights from Pittsburgh to London from £201

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Pittsburgh to London departing on 2/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Find the cheapest flights from Pittsburgh to London

Cheap return flights

Enter your travel dates to find the best prices.
Air Canada Logo
15:30 - 08:35
PIT
-
LHR
12h 05m
2 stops
Air Canada Logo
09:30 - 14:48
LHR
-
PIT
10h 18m
1 stop
£706Air Canada
Sat, 19 Sep - Fri, 25 Sep
British Airways Logo
21:50 - 10:05
PIT
-
LHR
7h 15mdirect
British Airways Logo
09:15 - 22:01
LHR
-
PIT
17h 46m
1 stop
£707British Airways
Tue, 29 Sep - Sun, 4 Oct
British Airways Logo
21:50 - 10:05
PIT
-
LHR
7h 15mdirect
British Airways Logo
16:40 - 19:50
LHR
-
PIT
8h 10mdirect
£708British Airways
Tue, 22 Sep - Mon, 12 Oct
American Airlines Logo
21:45 - 10:05
PIT
-
LHR
7h 20mdirect
American Airlines Logo
11:45 - 21:38
LHR
-
PIT
13h 53m
1 stop
£709American Airlines
Mon, 12 Oct - Mon, 26 Oct
British Airways Logo
21:50 - 10:05
PIT
-
LHR
7h 15mdirect
British Airways Logo
16:40 - 19:50
LHR
-
PIT
8h 10mdirect
£709British Airways
Tue, 22 Sep - Mon, 12 Oct
Multiple Airlines Logo
08:45 - 06:30
PIT
-
LHR
16h 45m
2 stops
Multiple Airlines Logo
13:50 - 17:14
LHR
-
PIT
32h 24m
2 stops
£710Multiple Airlines
Sun, 23 Aug - Mon, 7 Sep
Air Canada Logo
10:54 - 10:00
PIT
-
LHR
18h 06m
2 stops
Air Canada Logo
17:40 - 17:13
LHR
-
PIT
28h 33m
2 stops
£711Air Canada
Tue, 14 Jul - Thu, 13 Aug
Air Canada Logo
12:15 - 10:00
PIT
-
LHR
16h 45m
2 stops
Air Canada Logo
08:40 - 20:38
LHR
-
PIT
16h 58m
2 stops
£712Air Canada
Wed, 19 Aug - Wed, 26 Aug
United Airlines Logo
06:30 - 21:20
PIT
-
LHR
9h 50m
1 stop
United Airlines Logo
09:30 - 22:30
LHR
-
PIT
18h 00m
1 stop
£713United Airlines
Sun, 20 Sep - Mon, 21 Sep
Air Canada Logo
06:00 - 06:30
PIT
-
LHR
19h 30m
2 stops
Air Canada Logo
17:40 - 17:13
LHR
-
PIT
28h 33m
2 stops
£713Air Canada
Sat, 11 Jul - Wed, 12 Aug

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Air Canada flights from Pittsburgh to London Heathrow Airport

Our best Air Canada deals on Pittsburgh to London Heathrow Airport flight tickets
Air Canada
19 Sept
PIT15:30Pittsburgh
12h 05m
2 stops
LHR08:35London Heathrow
25 Sept
LHR09:30London Heathrow
10h 18m
1 stop
PIT14:48Pittsburgh
£706
Air Canada
14 Jul
PIT08:36Pittsburgh
16h 54m
2 stops
LHR06:30London Heathrow
12 Aug
LHR17:40London Heathrow
28h 33m
2 stops
PIT17:13Pittsburgh
£711
Air Canada
19 Aug
PIT12:15Pittsburgh
16h 45m
2 stops
LHR10:00London Heathrow
26 Aug
LHR08:40London Heathrow
16h 58m
2 stops
PIT20:38Pittsburgh
£712

British Airways flights from Pittsburgh to London Heathrow Airport

Our best British Airways deals on Pittsburgh to London Heathrow Airport flight tickets
British Airways
29 Sept
PIT21:50Pittsburgh
7h 15m
LHR10:05London Heathrow
4 Oct
LHR09:15London Heathrow
17h 46m
1 stop
PIT22:01Pittsburgh
£707
British Airways
22 Sept
PIT21:50Pittsburgh
7h 15m
LHR10:05London Heathrow
12 Oct
LHR16:40London Heathrow
8h 10m
PIT19:50Pittsburgh
£708
British Airways
22 Sept
PIT21:50Pittsburgh
7h 15m
LHR10:05London Heathrow
12 Oct
LHR16:40London Heathrow
8h 10m
PIT19:50Pittsburgh
£709

momondo Fare Finder

 
Customise your flight search to find flights from Pittsburgh to London Heathrow Airport 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, momondo users made 279,928 searches. Data last updated 23 June 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 return flight

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Sat 19/9

15:30-08:35

2 stops12h 05m

London Heathrow

Fri 25/9

09:30-14:48

1 stop10h 18m

£706

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Tue 29/9

21:50-10:05

Nonstop7h 15m

London Heathrow

Sun 4/10

09:15-22:01

1 stop17h 46m

£707
Fastest return journey

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Tue 22/9

21:50-10:05

Nonstop7h 15m

London Heathrow

Mon 12/10

16:40-19:50

Nonstop8h 10m

£708

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Mon 12/10

21:45-10:05

Nonstop7h 20m

London Heathrow

Mon 26/10

11:45-21:38

1 stop13h 53m

£709

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Tue 22/9

21:50-10:05

Nonstop7h 15m

London Heathrow

Mon 12/10

16:40-19:50

Nonstop8h 10m

£709

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Sun 23/8

08:45-06:30

2 stops16h 45m

London Heathrow

Mon 7/9

13:50-17:14

2 stops32h 24m

£710

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Tue 14/7

10:54-10:00

2 stops18h 06m

London Heathrow

Thu 13/8

17:40-17:13

2 stops28h 33m

£711

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Wed 19/8

12:15-10:00

2 stops16h 45m

London Heathrow

Wed 26/8

08:40-20:38

2 stops16h 58m

£712

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Sun 20/9

06:30-21:20

1 stop9h 50m

London Heathrow

Mon 21/9

09:30-22:30

1 stop18h 00m

£713

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Sat 11/7

06:00-06:30

2 stops19h 30m

London Heathrow

Wed 12/8

17:40-17:13

2 stops28h 33m

£713

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to London from

How to get the cheapest flight ticket from Pittsburgh to London Heathrow Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Pittsburgh and London Heathrow Airport?

What is the cheapest month to fly to London Heathrow Airport?

In general, February is the cheapest month to fly from Pittsburgh to London Heathrow Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £521. The month of October is another great option to travel to London Heathrow Airport, with average flight prices from Pittsburgh averaging around £527.

What is the cheapest day to depart on your flight to London Heathrow Airport?

On average, the least expensive day to fly to London Heathrow Airport from Pittsburgh is on a Thursday. momondo users have found tickets for Thursday departures for as low as £415. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Friday as prices are generally higher than usual. According to our data, the average ticket price to London Heathrow Airport on Friday is £970.

What is the cheapest Pittsburgh to London Heathrow flight route?

Fly from Pittsburgh to London Heathrow for the best Pittsburgh - London Heathrow flight prices

How far in advance should I book a flight from Pittsburgh to London Heathrow Airport?

You are more likely to see cheaper flights to London Heathrow Airport from Pittsburgh when booking weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around £716 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from Pittsburgh for as low as £564 on momondo.

What cabin class options are available on Pittsburgh to London Heathrow Airport flights?

There are 3 cabin classes available to choose from on Pittsburgh to London Heathrow Airport flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Pittsburgh to London Heathrow Airport flights?

No. A direct flight is the cheapest option for a flight between Pittsburgh to London Heathrow Airport.

How have Pittsburgh to London Heathrow Airport flight prices changed over time?

As of June 2026, prices for Pittsburgh to London Heathrow Airport flights are approximately 4% cheaper when compared to flights at the same time last year.

When to book flights from Pittsburgh to London Heathrow Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Pittsburgh to London Heathrow Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Pittsburgh to London Heathrow Airport (PIT to LHR) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Pittsburgh to London Heathrow Airport

Best price found

£703

Fastest flight time

7h 15m

Direct flights

Every day
The best flight deal from Pittsburgh to London Heathrow Airport found on momondo in the last 72 hours is £703
The fastest flight from Pittsburgh to London Heathrow Airport takes 7h 15m
Direct flights go from Pittsburgh to London Heathrow Airport every day.

Frequently asked questions about flying from Pittsburgh to London Heathrow Airport

  • How far is Pittsburgh to London Heathrow by plane?

    A flight from Pittsburgh to London Heathrow will travel around 3700.3 mi. In terms of flight time, this usually takes a little over 7h 15m.

  • When did momondo last update prices for flights from Pittsburgh Airport to London Heathrow Airport?

    Prices for flights from Pittsburgh Airport to London Heathrow Airport were last updated today.

  • How many operators does momondo search for flights from Pittsburgh Airport to London Heathrow Airport?

  • How old do you have to be to fly from Pittsburgh Airport to London Heathrow Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Pittsburgh Airport to London Heathrow Airport.

  • What documentation or ID do you need to fly to London Heathrow Airport?

    The travel and health documents you'll need for your trip to London Heathrow Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at London Heathrow Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Pittsburgh to London Heathrow Airport?

  • What is the most popular airline from Pittsburgh to London Heathrow Airport?

Best airlines flying from Pittsburgh to London Heathrow Airport

Compare and see reviews for airlines that fly from Pittsburgh to London Heathrow Airport with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom £403Free CancellationRating
6.7
8,065 reviews
Search British Airways flights
  • British Airways Flights From Pittsburgh to London Heathrow Airport

    The lowest priced British Airways flight from Pittsburgh to London Heathrow Airport from the last 72 hours was £403. Generally, British Airways has 4 flights on this route every week with an average price of £505. British Airways is rated 6.7/10 by our users.

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
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Wembley
Milton Keynes
Gatwick
Luton
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Slough
Southend-on-Sea
Maidstone
Northampton
Ipswich
Swindon
Ilford
Canterbury
Folkestone
Poole
Guildford
Hayes
Chichester
Bedford

Why use momondo?

Why should I use momondo to find a flight deal from Pittsburgh to London?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Pittsburgh to London for you.

Can I find flights from Pittsburgh to London with flexible booking policies on momondo?

momondo does allow users to show only those flights to London from Pittsburgh which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Pittsburgh to London?

momondo helps you find the best flight between Pittsburgh and London by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Pittsburgh to London right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to London from Pittsburgh. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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1 adult
Thu 23/7
Thu 30/7

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