Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Pittsburgh to London from £173

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 9/12. 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.
Scandinavian Airlines Logo
07:20 - 09:35PIT-LHR
21h 15m2 stops
Scandinavian Airlines Logo
18:40 - 00:24LHR-PIT
34h 44m2 stops
£490Scandinavian Airlines
Find Deal
Sun, 17 May - Thu, 21 May
Scandinavian Airlines Logo
11:15 - 17:00PIT-LHR
24h 45m3 stops
Scandinavian Airlines Logo
06:40 - 21:20LHR-PIT
19h 40m3 stops
£491Scandinavian Airlines
Find Deal
Wed, 14 Jan - Wed, 4 Mar
Scandinavian Airlines Logo
06:10 - 09:20PIT-LHR
22h 10m2 stops
Scandinavian Airlines Logo
06:40 - 21:27LHR-PIT
19h 47m2 stops
£493Scandinavian Airlines
Find Deal
Mon, 20 Apr - Mon, 4 May
Multiple Airlines Logo
17:55 - 11:20PIT-LHR
12h 25m1 stop
Multiple Airlines Logo
06:30 - 17:14LHR-PIT
15h 44m2 stops
£494Multiple Airlines
Find Deal
Wed, 3 Dec - Wed, 10 Dec
Lufthansa Logo
14:50 - 10:50PIT-LHR
15h 00m1 stop
Lufthansa Logo
13:30 - 23:29LHR-PIT
14h 59m2 stops
£495Lufthansa
Find Deal
Wed, 3 Dec - Wed, 10 Dec
Austrian Airlines Logo
14:57 - 06:40PIT-LHR
10h 43m1 stop
Austrian Airlines Logo
12:05 - 19:01LHR-PIT
11h 56m1 stop
£496Austrian Airlines
Find Deal
Mon, 12 Jan - Wed, 21 Jan
Austrian Airlines Logo
15:00 - 06:55PIT-LHR
10h 55m1 stop
Austrian Airlines Logo
12:15 - 18:57LHR-PIT
11h 42m1 stop
£497Austrian Airlines
Find Deal
Tue, 14 Apr - Tue, 28 Apr
JetBlue Logo
06:00 - 20:45PIT-LHR
9h 45m1 stop
JetBlue Logo
12:20 - 23:47LHR-PIT
16h 27m1 stop
£497JetBlue
Find Deal
Sun, 11 Jan - Wed, 4 Mar
JetBlue Logo
06:15 - 20:45PIT-LHR
9h 30m1 stop
JetBlue Logo
08:25 - 15:04LHR-PIT
11h 39m1 stop
£498JetBlue
Find Deal
Tue, 14 Apr - Tue, 28 Apr
United Airlines Logo
11:55 - 07:10PIT-LHR
14h 15m2 stops
United Airlines Logo
12:05 - 23:34LHR-PIT
16h 29m2 stops
£500United Airlines
Find Deal
Wed, 3 Dec - Wed, 10 Dec

Scandinavian Airlines flights from Pittsburgh to London Heathrow Airport

Our best Scandinavian Airlines deals on Pittsburgh to London Heathrow Airport flight tickets
Scandinavian Airlines
17 May
PIT07:20Pittsburgh
21h 15m
2 stops
LHR09:35London Heathrow
21 May
LHR18:40London Heathrow
34h 44m
2 stops
PIT00:24Pittsburgh
£490
Find similar
Scandinavian Airlines
14 Jan
PIT11:15Pittsburgh
24h 45m
3 stops
LHR17:00London Heathrow
4 Mar
LHR06:40London Heathrow
19h 40m
3 stops
PIT21:20Pittsburgh
£491
Find similar
Scandinavian Airlines
20 Apr
PIT06:10Pittsburgh
22h 10m
2 stops
LHR09:20London Heathrow
4 May
LHR06:40London Heathrow
19h 47m
2 stops
PIT21:27Pittsburgh
£493
Find similar

Austrian Airlines flights from Pittsburgh to London Heathrow Airport

Our best Austrian Airlines deals on Pittsburgh to London Heathrow Airport flight tickets
Austrian Airlines
12 Jan
PIT14:57Pittsburgh
10h 43m
1 stop
LHR06:40London Heathrow
21 Jan
LHR12:05London Heathrow
11h 56m
1 stop
PIT19:01Pittsburgh
£496
Find similar
Austrian Airlines
14 Apr
PIT15:00Pittsburgh
10h 55m
1 stop
LHR06:55London Heathrow
28 Apr
LHR12:15London Heathrow
11h 42m
1 stop
PIT18:57Pittsburgh
£497
Find similar
Austrian Airlines
31 Mar
PIT15:00Pittsburgh
10h 55m
1 stop
LHR06:55London Heathrow
7 Apr
LHR07:45London Heathrow
16h 09m
1 stop
PIT18:54Pittsburgh
£524
Find similar

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 November 2025.
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

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Sun 17/5

07:20-09:35

2 stops21h 15m

London Heathrow

Thu 21/5

18:40-00:24

2 stops34h 44m

£490

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Wed 14/1

11:15-17:00

3 stops24h 45m

London Heathrow

Wed 4/3

06:40-21:20

3 stops19h 40m

£491

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Mon 20/4

06:10-09:20

2 stops22h 10m

London Heathrow

Mon 4/5

06:40-21:27

2 stops19h 47m

£493

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Wed 3/12

17:55-11:20

1 stop12h 25m

London Heathrow

Wed 10/12

06:30-17:14

2 stops15h 44m

£494

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Wed 3/12

14:50-10:50

1 stop15h 00m

London Heathrow

Wed 10/12

13:30-23:29

2 stops14h 59m

£495

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Mon 12/1

14:57-06:40

1 stop10h 43m

London Heathrow

Wed 21/1

12:05-19:01

1 stop11h 56m

£496

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Tue 14/4

15:00-06:55

1 stop10h 55m

London Heathrow

Tue 28/4

12:15-18:57

1 stop11h 42m

£497

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Sun 11/1

06:00-20:45

1 stop9h 45m

London Heathrow

Wed 4/3

12:20-23:47

1 stop16h 27m

£497

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Tue 14/4

06:15-20:45

1 stop9h 30m

London Heathrow

Tue 28/4

08:25-15:04

1 stop11h 39m

£498

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Wed 3/12

11:55-07:10

2 stops14h 15m

London Heathrow

Wed 10/12

12:05-23:34

2 stops16h 29m

£500

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 £522. The month of January is another great option to travel to London Heathrow Airport, with average flight prices from Pittsburgh averaging around £536.

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 £485. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to London Heathrow Airport on Sunday is £827.

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

According to our data, the cheapest time of day to fly to London Heathrow Airport is in the morning. momondo users have found flights departing from Pittsburgh to London Heathrow Airport in the morning for as low as £566. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are £649 on average. Flights to London Heathrow Airport from Pittsburgh in the evening are generally more expensive because this time of day is more convenient for travellers’ schedules.

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 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 £652 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 £585 on momondo.

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

There are 2 cabin classes available to choose from on Pittsburgh to London Heathrow 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 November 2025, prices for Pittsburgh to London Heathrow Airport flights are approximately 19% 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

£485

Fastest flight time

7h 20m

Direct flights

Every day
The best flight deal from Pittsburgh to London Heathrow Airport found on momondo in the last 72 hours is £485
The fastest flight from Pittsburgh to London Heathrow Airport takes 7h 20m
Direct flights go from Pittsburgh to London Heathrow Airport every day.
Search flight deals

  • 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 20m.

  • 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 £411Free CancellationRating
6.7
7,533 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 £411. Generally, British Airways has 4 flights on this route every week with an average price of £570. 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
Maidstone
Slough
Northampton
Swindon
Canterbury
Stratford-upon-Avon
Southend-on-Sea
Ipswich
Ilford
Poole
Guildford
Swanage
Dover
Colchester
Chelmsford
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.

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
Sun 21/12
Sun 28/12
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to London