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Cheap flights from Pittsburgh to London from £244

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 3/5. 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
1 adult, Economy, 0 bags

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Cheap return flights

Enter your travel dates to find the best prices.
Scandinavian Airlines Logo
07:20 - 09:20
PIT
-
LHR
45h 00m
2 stops
Scandinavian Airlines Logo
06:40 - 00:22
LHR
-
PIT
22h 42m
2 stops
£581Scandinavian Airlines
Tue, 22 Sep - Fri, 25 Sep
JetBlue Logo
06:30 - 06:30
PIT
-
LHR
19h 00m
1 stop
JetBlue Logo
11:55 - 00:07
LHR
-
PIT
17h 12m
1 stop
£590JetBlue
Fri, 1 May - Fri, 8 May
Scandinavian Airlines Logo
07:22 - 09:35
PIT
-
LHR
21h 13m
2 stops
Scandinavian Airlines Logo
07:05 - 21:25
LHR
-
PIT
19h 20m
2 stops
£592Scandinavian Airlines
Thu, 7 May - Mon, 11 May
JetBlue Logo
06:00 - 20:45
PIT
-
LHR
9h 45m
1 stop
JetBlue Logo
08:15 - 00:07
LHR
-
PIT
20h 52m
1 stop
£593JetBlue
Mon, 4 May - Tue, 12 May
Scandinavian Airlines Logo
07:22 - 09:35
PIT
-
LHR
21h 13m
2 stops
Scandinavian Airlines Logo
07:05 - 21:25
LHR
-
PIT
19h 20m
2 stops
£599Scandinavian Airlines
Thu, 7 May - Mon, 11 May
Scandinavian Airlines Logo
07:20 - 09:35
PIT
-
LHR
21h 15m
2 stops
Scandinavian Airlines Logo
06:40 - 21:27
LHR
-
PIT
19h 47m
2 stops
£602Scandinavian Airlines
Sat, 19 Sep - Tue, 22 Sep
Icelandair Logo
20:25 - 11:55
PIT
-
LHR
10h 30m
1 stop
Icelandair Logo
13:05 - 19:15
LHR
-
PIT
11h 10m
1 stop
£603Icelandair
Wed, 16 Sep - Wed, 23 Sep
JetBlue Logo
06:00 - 20:45
PIT
-
LHR
9h 45m
1 stop
JetBlue Logo
08:15 - 00:07
LHR
-
PIT
20h 52m
1 stop
£604JetBlue
Thu, 30 Apr - Sat, 9 May
Scandinavian Airlines Logo
07:20 - 09:35
PIT
-
LHR
21h 15m
2 stops
Scandinavian Airlines Logo
07:05 - 21:27
LHR
-
PIT
19h 22m
3 stops
£605Scandinavian Airlines
Sat, 19 Sep - Tue, 22 Sep
Scandinavian Airlines Logo
07:22 - 09:35
PIT
-
LHR
21h 13m
2 stops
Scandinavian Airlines Logo
07:05 - 21:25
LHR
-
PIT
19h 20m
3 stops
£607Scandinavian Airlines
Thu, 7 May - Mon, 11 May

Scandinavian Airlines flights from Pittsburgh to London Heathrow Airport

Our best Scandinavian Airlines deals on Pittsburgh to London Heathrow Airport flight tickets
Scandinavian Airlines
22 Sept
PIT07:20Pittsburgh
45h 00m
2 stops
LHR09:20London Heathrow
25 Sept
LHR06:40London Heathrow
22h 42m
2 stops
PIT00:22Pittsburgh
£581
Scandinavian Airlines
7 May
PIT07:22Pittsburgh
21h 13m
2 stops
LHR09:35London Heathrow
11 May
LHR07:05London Heathrow
19h 20m
2 stops
PIT21:25Pittsburgh
£592
Scandinavian Airlines
7 May
PIT07:22Pittsburgh
21h 13m
2 stops
LHR09:35London Heathrow
11 May
LHR07:05London Heathrow
19h 20m
2 stops
PIT21:25Pittsburgh
£599

Icelandair flights from Pittsburgh to London Heathrow Airport

Our best Icelandair deals on Pittsburgh to London Heathrow Airport flight tickets
Icelandair
16 Sept
PIT20:25Pittsburgh
10h 30m
1 stop
LHR11:55London Heathrow
23 Sept
LHR13:05London Heathrow
11h 10m
1 stop
PIT19:15Pittsburgh
£603
Icelandair
9 Oct
PIT20:25Pittsburgh
18h 55m
1 stop
LHR20:20London Heathrow
13 Oct
LHR21:25London Heathrow
26h 50m
1 stop
PIT19:15Pittsburgh
£608
Icelandair
16 Sept
PIT20:25Pittsburgh
10h 30m
1 stop
LHR11:55London Heathrow
24 Sept
LHR21:25London Heathrow
26h 50m
1 stop
PIT19:15Pittsburgh
£617

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 12 April 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

Tue 22/9

07:20-09:20

2 stops45h 00m

London Heathrow

Fri 25/9

06:40-00:22

2 stops22h 42m

£581

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Fri 1/5

06:30-06:30

1 stop19h 00m

London Heathrow

Fri 8/5

11:55-00:07

1 stop17h 12m

£590

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Thu 7/5

07:22-09:35

2 stops21h 13m

London Heathrow

Mon 11/5

07:05-21:25

2 stops19h 20m

£592

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Mon 4/5

06:00-20:45

1 stop9h 45m

London Heathrow

Tue 12/5

08:15-00:07

1 stop20h 52m

£593

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Thu 7/5

07:22-09:35

2 stops21h 13m

London Heathrow

Mon 11/5

07:05-21:25

2 stops19h 20m

£599

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Sat 19/9

07:20-09:35

2 stops21h 15m

London Heathrow

Tue 22/9

06:40-21:27

2 stops19h 47m

£602
Fastest return journey

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Wed 16/9

20:25-11:55

1 stop10h 30m

London Heathrow

Wed 23/9

13:05-19:15

1 stop11h 10m

£603

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Thu 30/4

06:00-20:45

1 stop9h 45m

London Heathrow

Sat 9/5

08:15-00:07

1 stop20h 52m

£604

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Sat 19/9

07:20-09:35

2 stops21h 15m

London Heathrow

Tue 22/9

07:05-21:27

3 stops19h 22m

£605

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Thu 7/5

07:22-09:35

2 stops21h 13m

London Heathrow

Mon 11/5

07:05-21:25

3 stops19h 20m

£607

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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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 £508. The month of February is another great option to travel to London Heathrow Airport, with average flight prices from Pittsburgh averaging around £513.

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 £408. 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 £858.

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 £660 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 £574 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 April 2026, prices for Pittsburgh to London Heathrow Airport flights are approximately 20% 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

£719

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 £719
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

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 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 £396Free CancellationRating
6.7
7,875 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 £396. Generally, British Airways has 7 flights on this route every week with an average price of £626. 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
Slough
Maidstone
Northampton
Swindon
Wembley
Southend-on-Sea
Ipswich
Canterbury
Ilford
Guildford
Hayes
Poole
Chelmsford
Dover
Folkestone

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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