Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Pittsburgh to London from £122

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 11/11. 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

Air Canada Logo
15:25 - 09:35PIT-LHR
13h 10m1 stop
Air Canada Logo
12:05 - 15:34LHR-PIT
32h 29m1 stop
£393Air Canada
Find Deal
Sun, 12 Oct - Tue, 21 Oct
Multiple Airlines Logo
17:55 - 13:00PIT-LHR
14h 05m2 stops
Multiple Airlines Logo
19:25 - 17:14LHR-PIT
26h 49m2 stops
£394Multiple Airlines
Find Deal
Tue, 11 Nov - Wed, 19 Nov
Lufthansa Logo
16:15 - 08:35PIT-LHR
11h 20m1 stop
Lufthansa Logo
15:50 - 22:28LHR-PIT
11h 38m1 stop
£397Lufthansa
Find Deal
Mon, 6 Oct - Wed, 22 Oct
United Airlines Logo
06:15 - 06:40PIT-LHR
19h 25m1 stop
United Airlines Logo
09:00 - 11:14LHR-PIT
31h 14m2 stops
£398United Airlines
Find Deal
Wed, 5 Nov - Wed, 12 Nov
United Airlines Logo
06:15 - 06:40PIT-LHR
19h 25m1 stop
United Airlines Logo
13:25 - 23:27LHR-PIT
39h 02m2 stops
£399United Airlines
Find Deal
Mon, 3 Nov - Tue, 11 Nov
British Airways Logo
21:40 - 10:05PIT-LHR
7h 25mdirect
British Airways Logo
16:40 - 19:45LHR-PIT
8h 05mdirect
£404British Airways
Find Deal
Sun, 12 Oct - Thu, 23 Oct
American Airlines Logo
21:40 - 10:05PIT-LHR
7h 25mdirect
American Airlines Logo
16:40 - 19:45LHR-PIT
8h 05mdirect
£405American Airlines
Find Deal
Sun, 12 Oct - Tue, 21 Oct
American Airlines Logo
21:40 - 10:05PIT-LHR
7h 25mdirect
American Airlines Logo
16:40 - 19:45LHR-PIT
8h 05mdirect
£407American Airlines
Find Deal
Sun, 12 Oct - Tue, 21 Oct
British Airways Logo
21:40 - 10:05PIT-LHR
7h 25mdirect
British Airways Logo
14:10 - 21:28LHR-PIT
12h 18m1 stop
£407British Airways
Find Deal
Tue, 7 Oct - Tue, 14 Oct
Lufthansa Logo
16:15 - 11:50PIT-LHR
14h 35m1 stop
Lufthansa Logo
20:25 - 16:52LHR-PIT
25h 27m2 stops
£409Lufthansa
Find Deal
Tue, 7 Oct - Mon, 13 Oct

Air Canada flights from Pittsburgh to London

Our best Air Canada deals on Pittsburgh to London flight tickets
Air Canada
12 Oct
PIT15:25Pittsburgh
13h 10m
1 stop
LHR09:35London Heathrow
21 Oct
LHR12:05London Heathrow
32h 29m
1 stop
PIT15:34Pittsburgh
£393
Find similar
Air Canada
14 Oct
PIT15:25Pittsburgh
13h 10m
1 stop
LHR09:35London Heathrow
21 Oct
LHR06:00London Heathrow
14h 34m
2 stops
PIT15:34Pittsburgh
£395
Find similar
Air Canada
12 Oct
PIT15:25Pittsburgh
13h 10m
1 stop
LHR09:35London Heathrow
21 Oct
LHR06:00London Heathrow
14h 34m
2 stops
PIT15:34Pittsburgh
£396
Find similar

American Airlines flights from Pittsburgh to London

Our best American Airlines deals on Pittsburgh to London flight tickets
American Airlines
12 Oct
PIT21:40Pittsburgh
7h 25m
LHR10:05London Heathrow
21 Oct
LHR16:40London Heathrow
8h 05m
PIT19:45Pittsburgh
£405
Find similar
American Airlines
12 Oct
PIT21:40Pittsburgh
7h 25m
LHR10:05London Heathrow
21 Oct
LHR16:40London Heathrow
8h 05m
PIT19:45Pittsburgh
£407
Find similar
American Airlines
12 Oct
PIT06:17Pittsburgh
10h 23m
1 stop
LHR21:40London Heathrow
21 Oct
LHR16:40London Heathrow
8h 05m
PIT19:45Pittsburgh
£408
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from Pittsburgh to London 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 18 September 2025.
Use the filters below to find and compare flights from Pittsburgh to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Sun 12/10

15:25-09:35

1 stop13h 10m

London Heathrow

Tue 21/10

12:05-15:34

1 stop32h 29m

£393

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Tue 11/11

17:55-13:00

2 stops14h 05m

London Heathrow

Wed 19/11

19:25-17:14

2 stops26h 49m

£394

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Mon 6/10

16:15-08:35

1 stop11h 20m

London Heathrow

Wed 22/10

15:50-22:28

1 stop11h 38m

£397

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Wed 5/11

06:15-06:40

1 stop19h 25m

London Heathrow

Wed 12/11

09:00-11:14

2 stops31h 14m

£398

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Mon 3/11

06:15-06:40

1 stop19h 25m

London Heathrow

Tue 11/11

13:25-23:27

2 stops39h 02m

£399

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Sun 12/10

21:40-10:05

Nonstop7h 25m

London Heathrow

Thu 23/10

16:40-19:45

Nonstop8h 05m

£404

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Sun 12/10

21:40-10:05

Nonstop7h 25m

London Heathrow

Tue 21/10

16:40-19:45

Nonstop8h 05m

£405

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Sun 12/10

21:40-10:05

Nonstop7h 25m

London Heathrow

Tue 21/10

16:40-19:45

Nonstop8h 05m

£407

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Tue 7/10

21:40-10:05

Nonstop7h 25m

London Heathrow

Tue 14/10

14:10-21:28

1 stop12h 18m

£407

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Tue 7/10

16:15-11:50

1 stop14h 35m

London Heathrow

Mon 13/10

20:25-16:52

2 stops25h 27m

£409

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

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 cheapest month to fly to London?

The cheapest month to fly to London from Pittsburgh is in January. Flight prices, which tend to average around £489, are often lower during this time because this is during the off-season. The month of October is another great option to travel to London, with average flight prices from Pittsburgh averaging around £504.

What is the cheapest day to depart on your flight to London?

Our data shows that Thursday is the least expensive day to fly to London. Tickets to fly out on this day can be as low as £465. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Pittsburgh to London for around £774.

What is the cheapest time of day to depart on your flight to London?

The cheapest time of day to fly to London is at midday when flights can be purchased for as low as £628. Flights in the afternoon are often more expensive, with an average ticket price of £647.

What is the cheapest Pittsburgh to London flight route?

Fly from Pittsburgh to London Heathrow for the best Pittsburgh - London flight prices

How far in advance should I book a flight to London?

You are more likely to see cheaper flights to London from Pittsburgh when booking weeks ahead of your departure date. In general, you can expect to find flights to London for around £620 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from Pittsburgh for as low as £566 on momondo.

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

There are 2 cabin classes available to choose from on Pittsburgh to London 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 flights?

You could potentially save up to 58% on your flight if you consider stops on a Pittsburgh to London flight.

How have Pittsburgh to London flight prices changed over time?

As of September 2025, prices for Pittsburgh to London flights are approximately 32% cheaper when compared to flights at the same time last year.

When to book flights from Pittsburgh to London

Are you open to changing your travel dates? Check out the ideal times to fly from Pittsburgh to London according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Pittsburgh to London (PIT to LON) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Pittsburgh to London

Best price found

£428

Fastest flight time

7h 25m

Direct flights

Every day

Airports in London

1 airport
The best flight deal from Pittsburgh to London found on momondo in the last 72 hours is £428
The fastest flight from Pittsburgh to London takes 7h 25m
Direct flights go from Pittsburgh to London every day.
There is 1 airport near London: London Heathrow (LHR)
Search flight deals

  • How far is Pittsburgh to London by plane?

    The distance between Pittsburgh and London is about 3712.9 mi. In terms of flight time, this usually takes a little over 7h 25m.

  • When did momondo last update prices for flights from Pittsburgh Airport to London?

    Prices for flights from Pittsburgh Airport to London were last updated today.

  • How many operators does momondo search for flights from Pittsburgh Airport to London?

  • How old do you have to be to fly from Pittsburgh Airport to London?

    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.

  • What documentation or ID do you need to fly to London?

    The travel and health documents you'll need for your trip to London 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. 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?

  • What is the most popular airline from Pittsburgh to London?

Best airlines flying from Pittsburgh to London

Compare and see reviews for airlines that fly from Pittsburgh to London with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom £394Free CancellationRating
6.7
7,367 reviews
Search British Airways flights

  • British Airways Flights From Pittsburgh to London

    British Airways is one of the most popular airlines flying from Pittsburgh to London, operating 4 flights/week on average for this route. A good British Airways flight deal for Pittsburgh to London starts from £537 round-trip, up to an average price of £810. Our users have rated British Airways at 6.7/10.

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Eastbourne
Luton
Milton Keynes
Maidstone
Gatwick
Slough
Canterbury
Southend-on-Sea
Ipswich
Ilford
Guildford
Colchester
Worthing
Chelmsford
Dover
Hayes
Dartford
Winchester
Hounslow
Stansted

Why use momondo?

Why should I use momondo to find a flight deal from Pittsburgh to London?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to London from Pittsburgh.

Can I find flights from Pittsburgh to London with flexible booking policies on momondo?

Yes. All flights to London from Pittsburgh on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Pittsburgh to London?

Once all potential Pittsburgh to London flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Pittsburgh to London right now. Can momondo alert me if prices change?

Price alerts on flights to London from Pittsburgh are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your London 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 18/10
Sat 25/10
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United Kingdom

Fly into one of these airports located in London

Airports listed have a maximum distance of 35.6 mi from London
London City Airport
London Gatwick Airport
London Heathrow Airport
London Luton Airport
London Southend Airport
London Stansted Airport