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Cheap flights from Pittsburgh to London from £223

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.
Air Canada Logo
19:20 - 06:30PIT  Pittsburgh-LHR London Heathrow
30h 10m1 stop Toronto Pearson Intl
Air Canada Logo
19:25 - 18:35LHR  London Heathrow-PIT Pittsburgh
27h 10m2 stops Vienna Intl Toronto Pearson Intl
£555Air Canada
Sat, 13 Mar - Mon, 22 Mar
Air Canada Logo
19:20 - 21:00PIT  Pittsburgh-LHR London Heathrow
20h 40m2 stops Toronto Pearson Intl Ottawa
Air Canada Logo
19:25 - 18:35LHR  London Heathrow-PIT Pittsburgh
27h 10m2 stops Vienna Intl Toronto Pearson Intl
£555Air Canada
Sat, 13 Mar - Mon, 22 Mar
Iberia Logo
21:15 - 09:40PIT  Pittsburgh-LHR London Heathrow
7h 25mdirect
Iberia Logo
16:30 - 18:58LHR  London Heathrow-PIT Pittsburgh
30h 28m2 stops Madrid Barajas New York John F Kennedy Intl
£562Iberia
Sat, 13 Mar - Mon, 22 Mar
British Airways Logo
21:15 - 09:40PIT  Pittsburgh-LHR London Heathrow
7h 25mdirect
British Airways Logo
10:05 - 18:58LHR  London Heathrow-PIT Pittsburgh
12h 53m1 stop New York John F Kennedy Intl
£617British Airways
Sat, 13 Mar - Mon, 22 Mar
Air Canada Logo
07:00 - 06:35PIT  Pittsburgh-LHR London Heathrow
18h 35m2 stops Chicago O'Hare Intl Toronto Pearson Intl
Air Canada Logo
18:00 - 18:19LHR  London Heathrow-PIT Pittsburgh
29h 19m2 stops Toronto Pearson Intl Chicago O'Hare Intl
£645Air Canada
Thu, 22 Oct - Sun, 1 Nov
SWISS Logo
10:56 - 07:55PIT  Pittsburgh-LHR London Heathrow
15h 59m2 stops Chicago O'Hare Intl Zurich
SWISS Logo
06:00 - 16:57LHR  London Heathrow-PIT Pittsburgh
39h 57m2 stops Zurich Chicago O'Hare Intl
£648SWISS
Wed, 30 Sep - Mon, 12 Oct
Delta Logo
18:00 - 13:45PIT  Pittsburgh-LHR London Heathrow
14h 45m2 stops Detroit Metropolitan Wayne County Paris Charles de Gaulle
Delta Logo
08:55 - 21:26LHR  London Heathrow-PIT Pittsburgh
17h 31m2 stops Paris Charles de Gaulle New York John F Kennedy Intl
£649Delta
Sat, 2 Jan - Mon, 11 Jan
United Airlines Logo
10:56 - 06:45PIT  Pittsburgh-LHR London Heathrow
14h 49m1 stop Chicago O'Hare Intl
United Airlines Logo
07:45 - 15:34LHR  London Heathrow-PIT Pittsburgh
12h 49m1 stop Newark
£651United Airlines
Wed, 7 Oct - Sun, 11 Oct
United Airlines Logo
07:00 - 21:20PIT  Pittsburgh-LHR London Heathrow
9h 20m1 stop Newark
United Airlines Logo
15:10 - 22:09LHR  London Heathrow-PIT Pittsburgh
11h 59m1 stop Newark
£651United Airlines
Sat, 7 Nov - Mon, 9 Nov
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
£660British Airways
Sat, 12 Dec - Mon, 21 Dec

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Lufthansa flights from Pittsburgh to London Heathrow Airport

Our best Lufthansa deals on Pittsburgh to London Heathrow Airport flight tickets
Lufthansa
6 Oct
PIT14:06Pittsburgh
22h 34m
2 stops
LHR17:40London Heathrow
11 Oct
LHR08:30London Heathrow
17h 07m
1 stop
PIT20:37Pittsburgh
£654
Lufthansa
7 Oct
PIT10:25Pittsburgh
16h 15m
2 stops
LHR07:40London Heathrow
11 Oct
LHR08:30London Heathrow
20h 00m
2 stops
PIT23:30Pittsburgh
£660
Lufthansa
19 Oct
PIT16:16Pittsburgh
15h 34m
2 stops
LHR12:50London Heathrow
27 Oct
LHR08:30London Heathrow
16h 17m
2 stops
PIT20:47Pittsburgh
£682

American Airlines flights from Pittsburgh to London Heathrow Airport

Our best American Airlines deals on Pittsburgh to London Heathrow Airport flight tickets
American Airlines
21 Sept
PIT21:50Pittsburgh
7h 15m
LHR10:05London Heathrow
28 Sept
LHR13:20London Heathrow
13h 24m
1 stop
PIT21:44Pittsburgh
£641
American Airlines
22 Sept
PIT14:43Pittsburgh
11h 07m
1 stop
LHR06:50London Heathrow
29 Sept
LHR16:40London Heathrow
8h 15m
PIT19:55Pittsburgh
£675
American Airlines
22 Oct
PIT21:45Pittsburgh
7h 20m
LHR10:05London Heathrow
1 Nov
LHR12:35London Heathrow
13h 22m
1 stop
PIT20:57Pittsburgh
£678

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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Route

Depart

Return

Price

Cheapest return flight

PittsburghLondon

PIT Pittsburgh - LHR London Heathrow

PITLHR

Pittsburgh

Sat 13/3

19:20-06:30

1 stop30h 10m

London Heathrow

Mon 22/3

19:25-18:35

2 stops27h 10m

£555

PittsburghLondon

PIT Pittsburgh - LHR London Heathrow

PITLHR

Pittsburgh

Sat 13/3

19:20-21:00

2 stops20h 40m

London Heathrow

Mon 22/3

19:25-18:35

2 stops27h 10m

£555

PittsburghLondon

PIT Pittsburgh - LHR London Heathrow

PITLHR

Pittsburgh

Sat 13/3

21:15-09:40

Nonstop7h 25m

London Heathrow

Mon 22/3

16:30-18:58

2 stops30h 28m

£562

PittsburghLondon

PIT Pittsburgh - LHR London Heathrow

PITLHR

Pittsburgh

Sat 13/3

21:15-09:40

Nonstop7h 25m

London Heathrow

Mon 22/3

10:05-18:58

1 stop12h 53m

£617

PittsburghLondon

PIT Pittsburgh - LHR London Heathrow

PITLHR

Pittsburgh

Thu 22/10

07:00-06:35

2 stops18h 35m

London Heathrow

Sun 1/11

18:00-18:19

2 stops29h 19m

£645

PittsburghLondon

PIT Pittsburgh - LHR London Heathrow

PITLHR

Pittsburgh

Wed 30/9

10:56-07:55

2 stops15h 59m

London Heathrow

Mon 12/10

06:00-16:57

2 stops39h 57m

£648

PittsburghLondon

PIT Pittsburgh - LHR London Heathrow

PITLHR

Pittsburgh

Sat 2/1

18:00-13:45

2 stops14h 45m

London Heathrow

Mon 11/1

08:55-21:26

2 stops17h 31m

£649

PittsburghLondon

PIT Pittsburgh - LHR London Heathrow

PITLHR

Pittsburgh

Wed 7/10

10:56-06:45

1 stop14h 49m

London Heathrow

Sun 11/10

07:45-15:34

1 stop12h 49m

£651

PittsburghLondon

PIT Pittsburgh - LHR London Heathrow

PITLHR

Pittsburgh

Sat 7/11

07:00-21:20

1 stop9h 20m

London Heathrow

Mon 9/11

15:10-22:09

1 stop11h 59m

£651
Fastest return journey

PittsburghLondon

PIT Pittsburgh - LHR London Heathrow

PITLHR

Pittsburgh

Sat 12/12

21:15-09:40

Nonstop7h 25m

London Heathrow

Mon 21/12

15:55-19:20

Nonstop8h 25m

£660

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 £561 to £771.
The lowest price recently found on this route was £555.

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 £529. The month of January is another great option to travel to London Heathrow Airport, with average flight prices from Pittsburgh averaging around £553.

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 Wednesday. momondo users have found tickets for Wednesday departures for as low as £651. 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 £1,056.

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 £771 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 £681 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 September 2026, prices for Pittsburgh to London Heathrow Airport flights are approximately 7% 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

£223

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 £223. The best return flight deal from Pittsburgh to London Heathrow Airport found on momondo in the last 72 hours is £555.
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 £490Free CancellationRating
6.7
8,228 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 £490. Generally, British Airways has 6 flights on this route every week with an average price of £833. British Airways is rated 6.7/10 by our users.

Travelling to a place near London?

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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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