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Cheap flights from Pittsburgh to London from £207

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 27/7. 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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Cheap return flights

Enter your travel dates to find the best prices.
Icelandair Logo
20:25 - 11:55
PIT
-
LHR
10h 30m
1 stop
Icelandair Logo
13:05 - 19:15
LHR
-
PIT
11h 10m
1 stop
£521Icelandair
Sun, 23 Aug - Fri, 28 Aug
Icelandair Logo
20:25 - 11:55
PIT
-
LHR
10h 30m
1 stop
Icelandair Logo
13:05 - 19:15
LHR
-
PIT
11h 10m
1 stop
£524Icelandair
Wed, 19 Aug - Wed, 2 Sep
Icelandair Logo
20:25 - 20:20
PIT
-
LHR
18h 55m
1 stop
Icelandair Logo
13:05 - 19:15
LHR
-
PIT
11h 10m
1 stop
£527Icelandair
Mon, 3 Aug - Wed, 26 Aug
Icelandair Logo
20:25 - 20:20
PIT
-
LHR
18h 55m
1 stop
Icelandair Logo
21:25 - 19:15
LHR
-
PIT
26h 50m
1 stop
£528Icelandair
Mon, 10 Aug - Sat, 22 Aug
Icelandair Logo
20:25 - 11:55
PIT
-
LHR
10h 30m
1 stop
Icelandair Logo
13:05 - 19:15
LHR
-
PIT
11h 10m
1 stop
£530Icelandair
Fri, 8 May - Fri, 15 May
Icelandair Logo
20:25 - 11:55
PIT
-
LHR
10h 30m
1 stop
Icelandair Logo
21:25 - 19:15
LHR
-
PIT
26h 50m
1 stop
£532Icelandair
Wed, 12 Aug - Tue, 18 Aug
Lufthansa Logo
19:24 - 19:40
PIT
-
LHR
19h 16m
2 stops
Lufthansa Logo
07:25 - 20:38
LHR
-
PIT
18h 13m
2 stops
£533Lufthansa
Mon, 3 Aug - Wed, 26 Aug
Icelandair Logo
20:25 - 11:55
PIT
-
LHR
10h 30m
1 stop
Icelandair Logo
21:25 - 19:15
LHR
-
PIT
26h 50m
1 stop
£533Icelandair
Sun, 10 May - Thu, 21 May
JetBlue Logo
18:39 - 06:55
PIT
-
LHR
32h 16m
1 stop
JetBlue Logo
08:15 - 23:54
LHR
-
PIT
20h 39m
1 stop
£535JetBlue
Mon, 23 Mar - Tue, 31 Mar
Scandinavian Airlines Logo
07:20 - 09:20
PIT
-
LHR
45h 00m
2 stops
Scandinavian Airlines Logo
07:05 - 21:27
LHR
-
PIT
19h 22m
2 stops
£536Scandinavian Airlines
Sat, 15 Aug - Fri, 21 Aug

Scandinavian Airlines flights from Pittsburgh to London Heathrow Airport

Our best Scandinavian Airlines deals on Pittsburgh to London Heathrow Airport flight tickets
Scandinavian Airlines
15 Aug
PIT07:20Pittsburgh
45h 00m
2 stops
LHR09:20London Heathrow
20 Aug
LHR17:30London Heathrow
32h 57m
2 stops
PIT21:27Pittsburgh
£536
Scandinavian Airlines
20 Apr
PIT07:13Pittsburgh
27h 47m
2 stops
LHR16:00London Heathrow
29 Apr
LHR06:40London Heathrow
21h 15m
2 stops
PIT22:55Pittsburgh
£540
Scandinavian Airlines
14 Aug
PIT16:25Pittsburgh
18h 35m
2 stops
LHR16:00London Heathrow
21 Aug
LHR07:05London Heathrow
19h 22m
2 stops
PIT21:27Pittsburgh
£546

British Airways flights from Pittsburgh to London Heathrow Airport

Our best British Airways deals on Pittsburgh to London Heathrow Airport flight tickets
British Airways
24 Mar
PIT19:34Pittsburgh
11h 41m
1 stop
LHR11:15London Heathrow
31 Mar
LHR16:40London Heathrow
8h 10m
PIT19:50Pittsburgh
£551
British Airways
14 Apr
PIT21:45Pittsburgh
7h 20m
LHR10:05London Heathrow
28 Apr
LHR16:40London Heathrow
8h 10m
PIT19:50Pittsburgh
£559
British Airways
20 Apr
PIT21:45Pittsburgh
7h 20m
LHR10:05London Heathrow
30 Apr
LHR06:15London Heathrow
18h 09m
2 stops
PIT19:24Pittsburgh
£561

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 12 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

Cheapest return flight
Fastest return journey

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Sun 23/8

20:25-11:55

1 stop10h 30m

London Heathrow

Fri 28/8

13:05-19:15

1 stop11h 10m

£521

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Wed 19/8

20:25-11:55

1 stop10h 30m

London Heathrow

Wed 2/9

13:05-19:15

1 stop11h 10m

£524

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Mon 3/8

20:25-20:20

1 stop18h 55m

London Heathrow

Wed 26/8

13:05-19:15

1 stop11h 10m

£527

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Mon 10/8

20:25-20:20

1 stop18h 55m

London Heathrow

Sat 22/8

21:25-19:15

1 stop26h 50m

£528

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Fri 8/5

20:25-11:55

1 stop10h 30m

London Heathrow

Fri 15/5

13:05-19:15

1 stop11h 10m

£530

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Wed 12/8

20:25-11:55

1 stop10h 30m

London Heathrow

Tue 18/8

21:25-19:15

1 stop26h 50m

£532

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Mon 3/8

19:24-19:40

2 stops19h 16m

London Heathrow

Wed 26/8

07:25-20:38

2 stops18h 13m

£533

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Sun 10/5

20:25-11:55

1 stop10h 30m

London Heathrow

Thu 21/5

21:25-19:15

1 stop26h 50m

£533

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Mon 23/3

18:39-06:55

1 stop32h 16m

London Heathrow

Tue 31/3

08:15-23:54

1 stop20h 39m

£535

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Sat 15/8

07:20-09:20

2 stops45h 00m

London Heathrow

Fri 21/8

07:05-21:27

2 stops19h 22m

£536

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 £508. The month of February is another great option to travel to London Heathrow Airport, with average flight prices from Pittsburgh averaging around £514.

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 £472. 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 £805.

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 £645 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 £519 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 21% more expensive 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 £397Free CancellationRating
6.7
7,784 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 £397. Generally, British Airways has 4 flights on this route every week with an average price of £628. 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
Eastbourne
Milton Keynes
Luton
Gatwick
Maidstone
Slough
Northampton
Stratford-upon-Avon
Swindon
Southend-on-Sea
Ipswich
Canterbury
Ilford
Wembley
Poole
Guildford
Chelmsford
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

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