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Cheap flights from Pittsburgh to London from £218

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 13/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Cheap return flights

Enter your travel dates to find the best prices.
British Airways Logo
21:45 - 10:05
PIT
-
LHR
7h 20mdirect
British Airways Logo
07:00 - 21:35
LHR
-
PIT
19h 35m
2 stops
£508British Airways
Wed, 8 Apr - Tue, 14 Apr
British Airways Logo
17:10 - 09:15
PIT
-
LHR
12h 05m
1 stop
British Airways Logo
16:40 - 19:50
LHR
-
PIT
8h 10mdirect
£508British Airways
Mon, 23 Mar - Tue, 31 Mar
Air Canada Logo
17:55 - 08:30
PIT
-
LHR
10h 35m
1 stop
Air Canada Logo
08:30 - 17:18
LHR
-
PIT
13h 48m
1 stop
£509Air Canada
Mon, 23 Mar - Tue, 31 Mar
Iberia Logo
15:09 - 10:35
PIT
-
LHR
14h 26m
2 stops
Iberia Logo
07:50 - 19:24
LHR
-
PIT
16h 34m
2 stops
£510Iberia
Tue, 7 Apr - Tue, 14 Apr
United Airlines Logo
16:07 - 10:15
PIT
-
LHR
13h 08m
2 stops
United Airlines Logo
06:50 - 16:50
LHR
-
PIT
15h 00m
2 stops
£511United Airlines
Tue, 7 Apr - Thu, 23 Apr
JetBlue Logo
09:48 - 06:55
PIT
-
LHR
17h 07m
1 stop
JetBlue Logo
09:20 - 17:44
LHR
-
PIT
12h 24m
1 stop
£511JetBlue
Tue, 17 Mar - Tue, 24 Mar
Multiple Airlines Logo
15:35 - 10:00
PIT
-
LHR
13h 25m
1 stop
Multiple Airlines Logo
13:50 - 20:57
LHR
-
PIT
36h 07m
2 stops
£512Multiple Airlines
Tue, 25 Aug - Mon, 31 Aug
Delta Logo
17:08 - 08:05
PIT
-
LHR
10h 57m
1 stop
Delta Logo
11:30 - 22:46
LHR
-
PIT
16h 16m
2 stops
£513Delta
Mon, 23 Mar - Tue, 31 Mar
Air Canada Logo
15:35 - 06:30
PIT
-
LHR
9h 55m
1 stop
Air Canada Logo
06:50 - 14:53
LHR
-
PIT
13h 03m
2 stops
£514Air Canada
Wed, 6 May - Fri, 15 May
JetBlue Logo
06:00 - 20:45
PIT
-
LHR
10h 45m
1 stop
JetBlue Logo
09:20 - 17:44
LHR
-
PIT
12h 24m
1 stop
£514JetBlue
Mon, 16 Mar - Tue, 24 Mar

Air Canada flights from Pittsburgh to London Heathrow Airport

Our best Air Canada deals on Pittsburgh to London Heathrow Airport flight tickets
Air Canada
23 Mar
PIT17:55Pittsburgh
10h 35m
1 stop
LHR08:30London Heathrow
31 Mar
LHR08:30London Heathrow
13h 48m
1 stop
PIT17:18Pittsburgh
£509
Air Canada
6 May
PIT15:35Pittsburgh
9h 55m
1 stop
LHR06:30London Heathrow
19 May
LHR06:50London Heathrow
13h 03m
2 stops
PIT14:53Pittsburgh
£514
Air Canada
27 Apr
PIT17:55Pittsburgh
31h 40m
1 stop
LHR06:35London Heathrow
7 May
LHR06:50London Heathrow
13h 03m
2 stops
PIT14:53Pittsburgh
£517

Scandinavian Airlines flights from Pittsburgh to London Heathrow Airport

Our best Scandinavian Airlines deals on Pittsburgh to London Heathrow Airport flight tickets
Scandinavian Airlines
6 May
PIT07:13Pittsburgh
21h 22m
2 stops
LHR09:35London Heathrow
16 May
LHR06:40London Heathrow
23h 05m
2 stops
PIT00:45Pittsburgh
£523
Scandinavian Airlines
6 May
PIT07:13Pittsburgh
21h 22m
2 stops
LHR09:35London Heathrow
20 May
LHR18:40London Heathrow
32h 42m
2 stops
PIT22:22Pittsburgh
£536
Scandinavian Airlines
23 Apr
PIT07:13Pittsburgh
33h 27m
2 stops
LHR21:40London Heathrow
28 Apr
LHR06:40London Heathrow
21h 15m
2 stops
PIT22:55Pittsburgh
£540

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 1 March 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

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Wed 8/4

21:45-10:05

Nonstop7h 20m

London Heathrow

Tue 14/4

07:00-21:35

2 stops19h 35m

£508

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Mon 23/3

17:10-09:15

1 stop12h 05m

London Heathrow

Tue 31/3

16:40-19:50

Nonstop8h 10m

£508

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Mon 23/3

17:55-08:30

1 stop10h 35m

London Heathrow

Tue 31/3

08:30-17:18

1 stop13h 48m

£509

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Tue 7/4

15:09-10:35

2 stops14h 26m

London Heathrow

Tue 14/4

07:50-19:24

2 stops16h 34m

£510

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Tue 7/4

16:07-10:15

2 stops13h 08m

London Heathrow

Thu 23/4

06:50-16:50

2 stops15h 00m

£511

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Tue 17/3

09:48-06:55

1 stop17h 07m

London Heathrow

Tue 24/3

09:20-17:44

1 stop12h 24m

£511

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Tue 25/8

15:35-10:00

1 stop13h 25m

London Heathrow

Mon 31/8

13:50-20:57

2 stops36h 07m

£512

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Mon 23/3

17:08-08:05

1 stop10h 57m

London Heathrow

Tue 31/3

11:30-22:46

2 stops16h 16m

£513

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Wed 6/5

15:35-06:30

1 stop9h 55m

London Heathrow

Fri 15/5

06:50-14:53

2 stops13h 03m

£514

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Mon 16/3

06:00-20:45

1 stop10h 45m

London Heathrow

Tue 24/3

09:20-17:44

1 stop12h 24m

£514

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 cheapest month to fly to London Heathrow Airport?

In general, October 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 £505. The month of February is another great option to travel to London Heathrow Airport, with average flight prices from Pittsburgh averaging around £511.

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 £470. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to London Heathrow Airport on Sunday is £801.

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 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 £638 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 £517 on momondo.

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

There are 2 cabin classes available to choose from on Pittsburgh to London Heathrow 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 March 2026, prices for Pittsburgh to London Heathrow Airport flights are approximately 38% 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

Fastest flight time

7h 20m

Direct flights

Every day
The fastest flight from Pittsburgh to London Heathrow Airport takes 7h 20m
Direct flights go from Pittsburgh to London Heathrow Airport every day.
Search flight deals

  • 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 20m.

  • 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 £395Free CancellationRating
6.7
7,772 reviews
Search British Airways flights

Travelling to a place near London?

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

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.

An easier way to manage your London Heathrow Airport trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
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