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Cheap flights from Pittsburgh to London from £222

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Pittsburgh to London

Cheap return flights

Enter your travel dates to find the best prices.
Icelandair Logo
20:25 - 11:55PIT  Pittsburgh-LHR London Heathrow
10h 30m1 stop Reykjavik Keflavik Intl
Icelandair Logo
21:25 - 19:15LHR  London Heathrow-PIT Pittsburgh
26h 50m1 stop Reykjavik Keflavik Intl
£519Icelandair
Sun, 20 Sep - Tue, 29 Sep
Icelandair Logo
20:25 - 20:20PIT  Pittsburgh-LHR London Heathrow
18h 55m1 stop Reykjavik Keflavik Intl
Icelandair Logo
21:25 - 19:15LHR  London Heathrow-PIT Pittsburgh
26h 50m1 stop Reykjavik Keflavik Intl
£520Icelandair
Fri, 2 Oct - Sat, 10 Oct
Icelandair Logo
20:25 - 11:55PIT  Pittsburgh-LHR London Heathrow
10h 30m1 stop Reykjavik Keflavik Intl
Icelandair Logo
21:25 - 19:15LHR  London Heathrow-PIT Pittsburgh
26h 50m1 stop Reykjavik Keflavik Intl
£525Icelandair
Sun, 6 Sep - Sat, 3 Oct
Icelandair Logo
20:25 - 11:55PIT  Pittsburgh-LHR London Heathrow
10h 30m1 stop Reykjavik Keflavik Intl
Icelandair Logo
21:25 - 19:15LHR  London Heathrow-PIT Pittsburgh
26h 50m1 stop Reykjavik Keflavik Intl
£525Icelandair
Sun, 27 Sep - Sat, 3 Oct
Icelandair Logo
20:25 - 11:55PIT  Pittsburgh-LHR London Heathrow
10h 30m1 stop Reykjavik Keflavik Intl
Icelandair Logo
21:25 - 19:15LHR  London Heathrow-PIT Pittsburgh
26h 50m1 stop Reykjavik Keflavik Intl
£531Icelandair
Sun, 20 Sep - Tue, 29 Sep
Icelandair Logo
20:25 - 11:55PIT  Pittsburgh-LHR London Heathrow
10h 30m1 stop Reykjavik Keflavik Intl
Icelandair Logo
21:25 - 19:15LHR  London Heathrow-PIT Pittsburgh
26h 50m1 stop Reykjavik Keflavik Intl
£531Icelandair
Sun, 20 Sep - Tue, 29 Sep
Multiple Airlines Logo
20:25 - 08:55PIT  Pittsburgh-LHR London Heathrow
31h 30m3 stops Reykjavik Keflavik Intl Helsinki-Vantaa Stockholm Arlanda
Multiple Airlines Logo
17:30 - 19:15LHR  London Heathrow-PIT Pittsburgh
30h 45m3 stops Stockholm Arlanda Helsinki-Vantaa Reykjavik Keflavik Intl
£532Multiple Airlines
Sun, 27 Sep - Sat, 3 Oct
Icelandair Logo
20:25 - 11:55PIT  Pittsburgh-LHR London Heathrow
10h 30m1 stop Reykjavik Keflavik Intl
Icelandair Logo
21:25 - 19:15LHR  London Heathrow-PIT Pittsburgh
26h 50m1 stop Reykjavik Keflavik Intl
£534Icelandair
Sun, 20 Sep - Tue, 29 Sep
British Airways Logo
21:15 - 09:40PIT  Pittsburgh-LHR London Heathrow
7h 25mdirect
British Airways Logo
15:55 - 19:20LHR  London Heathrow-PIT Pittsburgh
8h 25mdirect
£641British Airways
Wed, 17 Feb - Wed, 24 Feb
British Airways Logo
21:15 - 09:40PIT  Pittsburgh-LHR London Heathrow
7h 25mdirect
British Airways Logo
15:55 - 19:20LHR  London Heathrow-PIT Pittsburgh
8h 25mdirect
£651British Airways
Wed, 9 Dec - Wed, 23 Dec

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Iberia flights from Pittsburgh to London Heathrow Airport

Our best Iberia deals on Pittsburgh to London Heathrow Airport flight tickets
Iberia
25 Nov
PIT21:15Pittsburgh
7h 25m
LHR09:40London Heathrow
9 Dec
LHR07:35London Heathrow
18h 59m
2 stops
PIT21:34Pittsburgh
£611
Iberia
30 Nov
PIT21:15Pittsburgh
7h 25m
LHR09:40London Heathrow
9 Dec
LHR07:35London Heathrow
18h 59m
2 stops
PIT21:34Pittsburgh
£612
Iberia
25 Nov
PIT21:15Pittsburgh
7h 25m
LHR09:40London Heathrow
3 Dec
LHR11:30London Heathrow
39h 04m
2 stops
PIT21:34Pittsburgh
£614

Icelandair flights from Pittsburgh to London Heathrow Airport

Our best Icelandair deals on Pittsburgh to London Heathrow Airport flight tickets
Icelandair
20 Sept
PIT20:25Pittsburgh
10h 30m
1 stop
LHR11:55London Heathrow
29 Sept
LHR21:25London Heathrow
26h 50m
1 stop
PIT19:15Pittsburgh
£519
Icelandair
2 Oct
PIT20:25Pittsburgh
18h 55m
1 stop
LHR20:20London Heathrow
10 Oct
LHR21:25London Heathrow
26h 50m
1 stop
PIT19:15Pittsburgh
£520
Icelandair
6 Sept
PIT20:25Pittsburgh
10h 30m
1 stop
LHR11:55London Heathrow
3 Oct
LHR21:25London Heathrow
26h 50m
1 stop
PIT19:15Pittsburgh
£525

momondo Fare Finder

 
Use the filters below to find and compare flights from Pittsburgh to London Heathrow Airport that are best for you.

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Depart

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Price

Cheapest return flight

PittsburghLondon

PIT Pittsburgh - LHR London Heathrow

PITLHR

Pittsburgh

Sun 20/9

20:25-11:55

1 stop10h 30m

London Heathrow

Tue 29/9

21:25-19:15

1 stop26h 50m

£519

PittsburghLondon

PIT Pittsburgh - LHR London Heathrow

PITLHR

Pittsburgh

Fri 2/10

20:25-20:20

1 stop18h 55m

London Heathrow

Sat 10/10

21:25-19:15

1 stop26h 50m

£520

PittsburghLondon

PIT Pittsburgh - LHR London Heathrow

PITLHR

Pittsburgh

Sun 6/9

20:25-11:55

1 stop10h 30m

London Heathrow

Sat 3/10

21:25-19:15

1 stop26h 50m

£525

PittsburghLondon

PIT Pittsburgh - LHR London Heathrow

PITLHR

Pittsburgh

Sun 27/9

20:25-11:55

1 stop10h 30m

London Heathrow

Sat 3/10

21:25-19:15

1 stop26h 50m

£525

PittsburghLondon

PIT Pittsburgh - LHR London Heathrow

PITLHR

Pittsburgh

Sun 20/9

20:25-11:55

1 stop10h 30m

London Heathrow

Tue 29/9

21:25-19:15

1 stop26h 50m

£531

PittsburghLondon

PIT Pittsburgh - LHR London Heathrow

PITLHR

Pittsburgh

Sun 20/9

20:25-11:55

1 stop10h 30m

London Heathrow

Tue 29/9

21:25-19:15

1 stop26h 50m

£531

PittsburghLondon

PIT Pittsburgh - LHR London Heathrow

PITLHR

Pittsburgh

Sun 27/9

20:25-08:55

3 stops31h 30m

London Heathrow

Sat 3/10

17:30-19:15

3 stops30h 45m

£532

PittsburghLondon

PIT Pittsburgh - LHR London Heathrow

PITLHR

Pittsburgh

Sun 20/9

20:25-11:55

1 stop10h 30m

London Heathrow

Tue 29/9

21:25-19:15

1 stop26h 50m

£534
Fastest return journey

PittsburghLondon

PIT Pittsburgh - LHR London Heathrow

PITLHR

Pittsburgh

Wed 17/2

21:15-09:40

Nonstop7h 25m

London Heathrow

Wed 24/2

15:55-19:20

Nonstop8h 25m

£641

PittsburghLondon

PIT Pittsburgh - LHR London Heathrow

PITLHR

Pittsburgh

Wed 9/12

21:15-09:40

Nonstop7h 25m

London Heathrow

Wed 23/12

15:55-19:20

Nonstop8h 25m

£651

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?

Prices are currently low for flights on this route.

Typical prices usually range from £549 to £747.
The lowest price recently found on this route was £519.

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 £510. The month of January is another great option to travel to London Heathrow Airport, with average flight prices from Pittsburgh averaging around £542.

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 £403. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to London Heathrow Airport on Saturday is £1,036.

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 £723 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 £578 on momondo.

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

There is only 1 cabin class 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 August 2026, prices for Pittsburgh to London Heathrow Airport flights are approximately 16% 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

£222

Fastest flight time

7h 15m

Direct flights

Every day
The best one-way flight to London Heathrow Airport from Pittsburgh in the past 72 hours is £222. The best return flight deal from Pittsburgh to London Heathrow Airport found on momondo in the last 72 hours is £519.
The fastest flight from Pittsburgh to London Heathrow Airport takes 7h 15m
Direct flights go from Pittsburgh to London Heathrow Airport every day.
Search flight deals

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 £391Free CancellationRating
6.7
8,181 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 £391. Generally, British Airways has 6 flights on this route every week with an average price of £490. British Airways is rated 6.7/10 by our users.

Travelling to a place near London?

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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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