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Cheap flights from Pittsburgh to London from £237

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 20/7. 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
0 bags

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Find the cheapest flights from Pittsburgh to London

Cheap return flights

Enter your travel dates to find the best prices.
Iberia Logo
21:45 - 10:05
PIT
-
LHR
7h 20mdirect
Iberia Logo
19:40 - 21:22
LHR
-
PIT
29h 42m
2 stops
£686Iberia
Sat, 17 Oct - Mon, 26 Oct
Delta Logo
17:30 - 09:20
PIT
-
LHR
11h 50m
2 stops
Delta Logo
06:30 - 18:03
LHR
-
PIT
16h 33m
2 stops
£687Delta
Sat, 31 Oct - Wed, 11 Nov
Iberia Logo
20:45 - 12:15
PIT
-
LHR
10h 30m
1 stop
Iberia Logo
20:00 - 21:26
LHR
-
PIT
30h 26m
2 stops
£689Iberia
Thu, 10 Sep - Mon, 21 Sep
JetBlue Logo
12:41 - 06:30
PIT
-
LHR
12h 49m
1 stop
JetBlue Logo
09:20 - 20:00
LHR
-
PIT
15h 40m
1 stop
£690JetBlue
Sat, 17 Oct - Mon, 2 Nov
Delta Logo
07:20 - 07:15
PIT
-
LHR
18h 55m
1 stop
Delta Logo
11:30 - 22:38
LHR
-
PIT
16h 08m
2 stops
£690Delta
Fri, 16 Oct - Fri, 23 Oct
British Airways Logo
22:15 - 09:40
PIT
-
LHR
7h 25mdirect
British Airways Logo
10:35 - 18:34
LHR
-
PIT
12h 59m
1 stop
£692British Airways
Sat, 31 Oct - Wed, 11 Nov
JetBlue Logo
06:00 - 20:45
PIT
-
LHR
9h 45m
1 stop
JetBlue Logo
09:20 - 20:00
LHR
-
PIT
14h 40m
1 stop
£693JetBlue
Thu, 22 Oct - Sat, 31 Oct
JetBlue Logo
12:41 - 06:30
PIT
-
LHR
12h 49m
1 stop
JetBlue Logo
09:20 - 08:27
LHR
-
PIT
27h 07m
1 stop
£694JetBlue
Sun, 18 Oct - Mon, 26 Oct
British Airways Logo
15:25 - 07:40
PIT
-
LHR
11h 15m
1 stop
British Airways Logo
14:10 - 21:28
LHR
-
PIT
12h 18m
1 stop
£695British Airways
Tue, 22 Sep - Mon, 12 Oct
Iberia Logo
08:49 - 06:25
PIT
-
LHR
16h 36m
1 stop
Iberia Logo
18:15 - 16:17
LHR
-
PIT
27h 02m
2 stops
£696Iberia
Thu, 3 Sep - Mon, 7 Sep

Scandinavian Airlines flights from Pittsburgh to London Heathrow Airport

Our best Scandinavian Airlines deals on Pittsburgh to London Heathrow Airport flight tickets
Scandinavian Airlines
4 Nov
PIT16:25Pittsburgh
21h 05m
2 stops
LHR18:30London Heathrow
9 Nov
LHR21:05London Heathrow
29h 21m
3 stops
PIT21:26Pittsburgh
£707
Scandinavian Airlines
21 Sept
PIT07:20Pittsburgh
21h 15m
2 stops
LHR09:35London Heathrow
5 Oct
LHR18:40London Heathrow
32h 34m
2 stops
PIT22:14Pittsburgh
£732

JetBlue flights from Pittsburgh to London Heathrow Airport

Our best JetBlue deals on Pittsburgh to London Heathrow Airport flight tickets
JetBlue
17 Oct
PIT12:41Pittsburgh
12h 49m
1 stop
LHR06:30London Heathrow
2 Nov
LHR09:20London Heathrow
15h 40m
1 stop
PIT20:00Pittsburgh
£690
JetBlue
22 Oct
PIT06:00Pittsburgh
9h 45m
1 stop
LHR20:45London Heathrow
27 Oct
LHR09:20London Heathrow
12h 11m
1 stop
PIT17:31Pittsburgh
£693
JetBlue
18 Oct
PIT12:41Pittsburgh
12h 49m
1 stop
LHR06:30London Heathrow
26 Oct
LHR09:20London Heathrow
27h 07m
1 stop
PIT08:27Pittsburgh
£694

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 21 May 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

Sat 17/10

21:45-10:05

Nonstop7h 20m

London Heathrow

Mon 26/10

19:40-21:22

2 stops29h 42m

£686

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Sat 31/10

17:30-09:20

2 stops11h 50m

London Heathrow

Wed 11/11

06:30-18:03

2 stops16h 33m

£687

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Thu 10/9

20:45-12:15

1 stop10h 30m

London Heathrow

Mon 21/9

20:00-21:26

2 stops30h 26m

£689

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Sat 17/10

12:41-06:30

1 stop12h 49m

London Heathrow

Mon 2/11

09:20-20:00

1 stop15h 40m

£690

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Fri 16/10

07:20-07:15

1 stop18h 55m

London Heathrow

Fri 23/10

11:30-22:38

2 stops16h 08m

£690
Fastest return journey

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Sat 31/10

22:15-09:40

Nonstop7h 25m

London Heathrow

Wed 11/11

10:35-18:34

1 stop12h 59m

£692

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Thu 22/10

06:00-20:45

1 stop9h 45m

London Heathrow

Sat 31/10

09:20-20:00

1 stop14h 40m

£693

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Sun 18/10

12:41-06:30

1 stop12h 49m

London Heathrow

Mon 26/10

09:20-08:27

1 stop27h 07m

£694

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Tue 22/9

15:25-07:40

1 stop11h 15m

London Heathrow

Mon 12/10

14:10-21:28

1 stop12h 18m

£695

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Thu 3/9

08:49-06:25

1 stop16h 36m

London Heathrow

Mon 7/9

18:15-16:17

2 stops27h 02m

£696

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?

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 £510. 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 £410. 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 £831.

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 £665 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 £522 on momondo.

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

There are 2 cabin classes 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 May 2026, prices for Pittsburgh to London Heathrow Airport flights are approximately 20% 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 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 £398Free CancellationRating
6.7
7,991 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 £398. Generally, British Airways has 6 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
Eastbourne
Milton Keynes
Gatwick
Luton
Wembley
Stratford-upon-Avon
Slough
Maidstone
Northampton
Swindon
Ipswich
Southend-on-Sea
Canterbury
Ilford
Hayes
Guildford
Poole
Folkestone
Chelmsford
Dover

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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