Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

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 24/8. 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

Discover deals from 900+ travel sites with momondo.

Voted winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Pittsburgh to London

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
21:45 - 10:05
PIT
-
LHR
7h 20mdirect
Multiple Airlines Logo
09:20 - 20:00
LHR
-
PIT
15h 40m
1 stop
£663Multiple Airlines
Fri, 23 Oct - Thu, 5 Nov
Scandinavian Airlines Logo
06:08 - 17:40
PIT
-
LHR
30h 32m
2 stops
Scandinavian Airlines Logo
07:05 - 21:37
LHR
-
PIT
19h 32m
2 stops
£663Scandinavian Airlines
Wed, 19 Aug - Wed, 26 Aug
Delta Logo
18:40 - 12:05
PIT
-
LHR
12h 25m
1 stop
Delta Logo
16:05 - 22:38
LHR
-
PIT
11h 33m
1 stop
£664Delta
Wed, 19 Aug - Thu, 27 Aug
Multiple Airlines Logo
17:09 - 10:50
PIT
-
LHR
12h 41m
1 stop
Multiple Airlines Logo
09:20 - 20:00
LHR
-
PIT
15h 40m
1 stop
£665Multiple Airlines
Fri, 23 Oct - Fri, 6 Nov
British Airways Logo
20:19 - 07:20
PIT
-
LHR
31h 01m
1 stop
British Airways Logo
16:00 - 19:20
LHR
-
PIT
8h 20mdirect
£666British Airways
Sat, 31 Oct - Wed, 11 Nov
Delta Logo
17:11 - 20:00
PIT
-
LHR
21h 49m
1 stop
Delta Logo
11:05 - 18:39
LHR
-
PIT
12h 34m
1 stop
£668Delta
Sat, 7 Nov - Wed, 11 Nov
Multiple Airlines Logo
12:53 - 06:25
PIT
-
LHR
12h 32m
1 stop
Multiple Airlines Logo
20:05 - 16:57
LHR
-
PIT
25h 52m
2 stops
£668Multiple Airlines
Wed, 23 Sep - Sun, 27 Sep
Scandinavian Airlines Logo
06:10 - 09:20
PIT
-
LHR
22h 10m
2 stops
Scandinavian Airlines Logo
06:40 - 21:27
LHR
-
PIT
19h 47m
2 stops
£671Scandinavian Airlines
Tue, 15 Sep - Tue, 22 Sep
Iberia Logo
21:45 - 10:05
PIT
-
LHR
7h 20mdirect
Iberia Logo
07:30 - 21:22
LHR
-
PIT
17h 52m
2 stops
£673Iberia
Thu, 22 Oct - Tue, 27 Oct
Multiple Airlines Logo
22:15 - 09:40
PIT
-
LHR
7h 25mdirect
Multiple Airlines Logo
09:20 - 17:31
LHR
-
PIT
13h 11m
1 stop
£674Multiple Airlines
Wed, 28 Oct - Fri, 6 Nov

Scandinavian Airlines flights from Pittsburgh to London Heathrow Airport

Our best Scandinavian Airlines deals on Pittsburgh to London Heathrow Airport flight tickets
Scandinavian Airlines
19 Aug
PIT06:08Pittsburgh
30h 32m
2 stops
LHR17:40London Heathrow
26 Aug
LHR07:05London Heathrow
19h 32m
2 stops
PIT21:37Pittsburgh
£663
Scandinavian Airlines
15 Sept
PIT06:10Pittsburgh
22h 10m
2 stops
LHR09:20London Heathrow
22 Sept
LHR06:40London Heathrow
19h 47m
2 stops
PIT21:27Pittsburgh
£671
Scandinavian Airlines
15 Oct
PIT11:49Pittsburgh
16h 46m
2 stops
LHR09:35London Heathrow
22 Oct
LHR07:05London Heathrow
19h 21m
2 stops
PIT21:26Pittsburgh
£700

Delta flights from Pittsburgh to London Heathrow Airport

Our best Delta deals on Pittsburgh to London Heathrow Airport flight tickets
Delta
19 Aug
PIT18:40Pittsburgh
12h 25m
1 stop
LHR12:05London Heathrow
27 Aug
LHR16:05London Heathrow
11h 33m
1 stop
PIT22:38Pittsburgh
£664
Delta
7 Nov
PIT17:11Pittsburgh
21h 49m
1 stop
LHR20:00London Heathrow
11 Nov
LHR11:05London Heathrow
12h 34m
1 stop
PIT18:39Pittsburgh
£668
Delta
1 Oct
PIT13:50Pittsburgh
11h 35m
1 stop
LHR06:25London Heathrow
13 Oct
LHR09:55London Heathrow
16h 31m
2 stops
PIT21:26Pittsburgh
£680

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 14 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

Fri 23/10

21:45-10:05

Nonstop7h 20m

London Heathrow

Thu 5/11

09:20-20:00

1 stop15h 40m

£663

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Wed 19/8

06:08-17:40

2 stops30h 32m

London Heathrow

Wed 26/8

07:05-21:37

2 stops19h 32m

£663

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Wed 19/8

18:40-12:05

1 stop12h 25m

London Heathrow

Thu 27/8

16:05-22:38

1 stop11h 33m

£664

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Fri 23/10

17:09-10:50

1 stop12h 41m

London Heathrow

Fri 6/11

09:20-20:00

1 stop15h 40m

£665

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Sat 31/10

20:19-07:20

1 stop31h 01m

London Heathrow

Wed 11/11

16:00-19:20

Nonstop8h 20m

£666

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Sat 7/11

17:11-20:00

1 stop21h 49m

London Heathrow

Wed 11/11

11:05-18:39

1 stop12h 34m

£668

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Wed 23/9

12:53-06:25

1 stop12h 32m

London Heathrow

Sun 27/9

20:05-16:57

2 stops25h 52m

£668

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Tue 15/9

06:10-09:20

2 stops22h 10m

London Heathrow

Tue 22/9

06:40-21:27

2 stops19h 47m

£671

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Thu 22/10

21:45-10:05

Nonstop7h 20m

London Heathrow

Tue 27/10

07:30-21:22

2 stops17h 52m

£673
Fastest return journey

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Wed 28/10

22:15-09:40

Nonstop7h 25m

London Heathrow

Fri 6/11

09:20-17:31

1 stop13h 11m

£674

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 £506. The month of February is another great option to travel to London Heathrow Airport, with average flight prices from Pittsburgh averaging around £510.

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 £406. 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 £1,044.

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 £663 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 £518 on momondo.

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 £394Free CancellationRating
6.7
7,979 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 £394. Generally, British Airways has 7 flights on this route every week with an average price of £499. 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
Stratford-upon-Avon
Wembley
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

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 13/6
Sat 20/6
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to London