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Cheap flights from Pittsburgh to London from £191

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 14/10. 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

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 - 20:20
PIT
-
LHR
18h 55m
1 stop
Icelandair Logo
13:05 - 19:15
LHR
-
PIT
11h 10m
1 stop
£552Icelandair
Fri, 2 Oct - Wed, 7 Oct
Icelandair Logo
20:25 - 20:20
PIT
-
LHR
18h 55m
1 stop
Icelandair Logo
21:25 - 19:15
LHR
-
PIT
26h 50m
1 stop
£554Icelandair
Fri, 2 Oct - Thu, 8 Oct
Icelandair Logo
20:25 - 20:20
PIT
-
LHR
18h 55m
1 stop
Icelandair Logo
13:05 - 19:15
LHR
-
PIT
11h 10m
1 stop
£557Icelandair
Sun, 27 Sep - Sun, 4 Oct
Icelandair Logo
20:25 - 11:55
PIT
-
LHR
10h 30m
1 stop
Icelandair Logo
13:05 - 19:15
LHR
-
PIT
11h 10m
1 stop
£557Icelandair
Sun, 27 Sep - Fri, 9 Oct
Icelandair Logo
20:25 - 11:55
PIT
-
LHR
10h 30m
1 stop
Icelandair Logo
21:25 - 19:15
LHR
-
PIT
26h 50m
1 stop
£559Icelandair
Sun, 27 Sep - Thu, 8 Oct
Icelandair Logo
20:25 - 20:20
PIT
-
LHR
18h 55m
1 stop
Icelandair Logo
13:05 - 19:15
LHR
-
PIT
11h 10m
1 stop
£560Icelandair
Wed, 30 Sep - Sun, 11 Oct
Icelandair Logo
20:25 - 20:20
PIT
-
LHR
18h 55m
1 stop
Icelandair Logo
13:05 - 19:15
LHR
-
PIT
11h 10m
1 stop
£561Icelandair
Sun, 23 Aug - Sun, 30 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
£563Icelandair
Fri, 18 Sep - Sun, 20 Sep
Icelandair Logo
20:25 - 11:55
PIT
-
LHR
10h 30m
1 stop
Icelandair Logo
21:25 - 19:15
LHR
-
PIT
26h 50m
1 stop
£563Icelandair
Wed, 5 Aug - Tue, 25 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
£570Icelandair
Mon, 10 Aug - Wed, 19 Aug

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JetBlue flights from Pittsburgh to London Heathrow Airport

Our best JetBlue deals on Pittsburgh to London Heathrow Airport flight tickets
JetBlue
24 Aug
PIT06:00Pittsburgh
9h 45m
1 stop
LHR20:45London Heathrow
1 Sept
LHR08:40London Heathrow
14h 30m
1 stop
PIT18:10Pittsburgh
£589
JetBlue
22 Sept
PIT06:00Pittsburgh
9h 45m
1 stop
LHR20:45London Heathrow
29 Sept
LHR08:40London Heathrow
13h 53m
1 stop
PIT17:33Pittsburgh
£603
JetBlue
16 Aug
PIT06:00Pittsburgh
9h 45m
1 stop
LHR20:45London Heathrow
25 Aug
LHR08:40London Heathrow
16h 08m
1 stop
PIT19:48Pittsburgh
£606

Icelandair flights from Pittsburgh to London Heathrow Airport

Our best Icelandair deals on Pittsburgh to London Heathrow Airport flight tickets
Icelandair
2 Oct
PIT20:25Pittsburgh
18h 55m
1 stop
LHR20:20London Heathrow
7 Oct
LHR13:05London Heathrow
11h 10m
1 stop
PIT19:15Pittsburgh
£552
Icelandair
2 Oct
PIT20:25Pittsburgh
18h 55m
1 stop
LHR20:20London Heathrow
6 Oct
LHR21:25London Heathrow
26h 50m
1 stop
PIT19:15Pittsburgh
£554
Icelandair
27 Sept
PIT20:25Pittsburgh
18h 55m
1 stop
LHR20:20London Heathrow
4 Oct
LHR13:05London Heathrow
11h 10m
1 stop
PIT19:15Pittsburgh
£557

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 24 July 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

Fri 2/10

20:25-20:20

1 stop18h 55m

London Heathrow

Wed 7/10

13:05-19:15

1 stop11h 10m

£552

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Fri 2/10

20:25-20:20

1 stop18h 55m

London Heathrow

Thu 8/10

21:25-19:15

1 stop26h 50m

£554

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Sun 27/9

20:25-20:20

1 stop18h 55m

London Heathrow

Sun 4/10

13:05-19:15

1 stop11h 10m

£557
Fastest return journey

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Sun 27/9

20:25-11:55

1 stop10h 30m

London Heathrow

Fri 9/10

13:05-19:15

1 stop11h 10m

£557

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Sun 27/9

20:25-11:55

1 stop10h 30m

London Heathrow

Thu 8/10

21:25-19:15

1 stop26h 50m

£559

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Wed 30/9

20:25-20:20

1 stop18h 55m

London Heathrow

Sun 11/10

13:05-19:15

1 stop11h 10m

£560

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Sun 23/8

20:25-20:20

1 stop18h 55m

London Heathrow

Sun 30/8

13:05-19:15

1 stop11h 10m

£561

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Fri 18/9

20:25-11:55

1 stop10h 30m

London Heathrow

Sun 20/9

13:05-19:15

1 stop11h 10m

£563

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Wed 5/8

20:25-11:55

1 stop10h 30m

London Heathrow

Tue 25/8

21:25-19:15

1 stop26h 50m

£563

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Mon 10/8

20:25-11:55

1 stop10h 30m

London Heathrow

Wed 19/8

13:05-19:15

1 stop11h 10m

£570

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 £613 to £868.
The lowest price recently found on this route was £552.

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 £517. The month of October is another great option to travel to London Heathrow Airport, with average flight prices from Pittsburgh averaging around £533.

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 £411. 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 £961.

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 £703 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 £569 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 July 2026, prices for Pittsburgh to London Heathrow Airport flights are approximately 71% 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 15m

Direct flights

Every day
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 £400Free CancellationRating
6.7
8,129 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 £400. Generally, British Airways has 7 flights on this route every week with an average price of £501. 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
Gatwick
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Luton
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Southend-on-Sea
Slough
Northampton
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Swindon
Folkestone
Ilford
Hastings
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Canterbury
Guildford
Chichester
Hayes

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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