Which layover airport has the shortest connection time from Pittsburgh to London Heathrow Airport?

Washington, D.C. (IAD) has the shortest average layover time for this route: 1h 28m.

Which airport is the most popular layover for flights between Pittsburgh and London Heathrow Airport?

Reykjavik (KEF) was the most common stop: 63% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport offers the lowest fares from Pittsburgh to London Heathrow Airport?

Flights via Boston (BOS) offer the lowest average round-trip price of $586.

How many flights depart from Pittsburgh to London Heathrow Airport on average per day?

As of January 2026, there are 2 flights per day flying from Pittsburgh to London Heathrow Airport. The most common time of day flights depart is 9:00PM, with 100% of flights taking off in the evening.

Which layover airport has the shortest travel time from Pittsburgh to London Heathrow Airport?

Flights connecting via Washington, D.C. (IAD) have the shortest average one-way travel time: 9h 31m.

How many flights depart from Pittsburgh to London Heathrow Airport on average per week?

The number of flights available between Pittsburgh and London Heathrow Airport is 19 per week as of January 2026. The most frequent departure day is Mon, with 32% of weekly flights leaving on this day.

What airlines fly to London Heathrow Airport?

British Airways, American Airlines and Iberia are the top three most popular airlines that fly to London Heathrow Airport from Pittsburgh according to our data. British Airways is the first choice among our users, with 64% of people opting to fly with this airline when traveling to London Heathrow Airport. Keep in mind that there are 10 different airlines that fly to London Heathrow Airport on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Pittsburgh to London Heathrow?

JetBlue is the most popular carrier operating from Pittsburgh to London Heathrow

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 refresh daily.

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

There are 10 operators available for flights from Pittsburgh Airport to London Heathrow Airport as of January 2026.

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

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify 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.

$263 Cheap Flights from Pittsburgh to London Heathrow Airport in 2026

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Enter your travel dates to find the best prices.

9:15 pm - 9:40 am

PIT

LHR

7h 25mnonstop

4:00 pm - 8:20 pm

LHR

PIT

8h 20mnonstop

$626British Airways

Wed, Mar 4 - Wed, Mar 11

6:10 am - 10:50 am

PIT

LHR

23h 40m

1 stop

6:00 pm - 5:14 pm

LHR

PIT

28h 14m

1 stop

$627United Airlines

Mon, Feb 2 - Wed, Feb 11

5:55 pm - 8:35 pm

PIT

LHR

21h 40m

2 stops

6:40 pm - 8:54 pm

LHR

PIT

31h 14m

2 stops

$628Multiple Airlines

Mon, Feb 16 - Mon, Feb 23

2:05 pm - 1:00 pm

PIT

LHR

17h 55m

2 stops

9:00 am - 8:54 pm

LHR

PIT

16h 54m

2 stops

$629SWISS

Mon, Feb 16 - Wed, Feb 25

2:53 pm - 6:55 am

PIT

LHR

11h 02m

1 stop

4:00 pm - 7:20 pm

LHR

PIT

8h 20mnonstop

$630American Airlines

Mon, Feb 9 - Wed, Feb 18

5:55 pm - 7:10 am

PIT

LHR

32h 15m

2 stops

6:40 pm - 8:41 pm

LHR

PIT

31h 01m

2 stops

$631Multiple Airlines

Sat, Jan 31 - Mon, Feb 9

7:09 pm - 10:25 am

PIT

LHR

10h 16m

1 stop

11:00 am - 6:07 pm

LHR

PIT

12h 07m

1 stop

$632British Airways

Mon, Feb 16 - Wed, Feb 25

9:45 pm - 10:05 am

PIT

LHR

7h 20mnonstop

4:40 pm - 7:50 pm

LHR

PIT

8h 10mnonstop

$633British Airways

Tue, Apr 14 - Tue, Apr 28

9:45 pm - 10:05 am

PIT

LHR

7h 20mnonstop

4:40 pm - 7:50 pm

LHR

PIT

8h 10mnonstop

$634British Airways

Tue, Apr 14 - Tue, Apr 28

10:15 pm - 9:40 am

PIT

LHR

7h 25mnonstop

5:00 pm - 7:04 pm

LHR

PIT

30h 04m

1 stop

$635British Airways

Mon, Mar 16 - Wed, Mar 25

United Airlines flights from Pittsburgh to London Heathrow Airport

Our best United Airlines deals on Pittsburgh to London Heathrow Airport flight tickets

United Airlines

Feb 2

PIT6:10 amPittsburgh

23h 40m

1 stop

LHR10:50 amLondon Heathrow

Feb 11

LHR6:00 pmLondon Heathrow

28h 14m

1 stop

PIT5:14 pmPittsburgh

$627

United Airlines

Mar 18

PIT6:00 amPittsburgh

11h 20m

1 stop

LHR9:20 pmLondon Heathrow

Mar 27

LHR4:20 pmLondon Heathrow

21h 06m

1 stop

PIT9:26 amPittsburgh

$642

United Airlines

Jan 26

PIT5:55 pmPittsburgh

31h 35m

1 stop

LHR6:30 amLondon Heathrow

Feb 2

LHR1:25 pmLondon Heathrow

29h 39m

2 stops

PIT2:04 pmPittsburgh

$676

Austrian Airlines flights from Pittsburgh to London Heathrow Airport

Our best Austrian Airlines deals on Pittsburgh to London Heathrow Airport flight tickets

Austrian Airlines

Feb 10

PIT1:20 pmPittsburgh

24h 20m

2 stops

LHR6:40 pmLondon Heathrow

Feb 18

LHR6:00 amLondon Heathrow

18h 00m

2 stops

PIT7:00 pmPittsburgh

$654

Austrian Airlines

Jan 29

PIT1:20 pmPittsburgh

38h 00m

2 stops

LHR8:20 amLondon Heathrow

Feb 3

LHR9:05 amLondon Heathrow

38h 56m

2 stops

PIT7:01 pmPittsburgh

$704

Austrian Airlines

Jan 29

PIT1:20 pmPittsburgh

38h 00m

2 stops

LHR8:20 amLondon Heathrow

Feb 1

LHR9:05 amLondon Heathrow

38h 56m

2 stops

PIT7:01 pmPittsburgh

$754

momondo Fare Finder

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

Wed 3/4

9:15 pm-9:40 am

Nonstop7h 25m

London Heathrow

Wed 3/11

4:00 pm-8:20 pm

Nonstop8h 20m

$626

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Mon 2/2

6:10 am-10:50 am

1 stop23h 40m

London Heathrow

Wed 2/11

6:00 pm-5:14 pm

1 stop28h 14m

$627

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Mon 2/16

5:55 pm-8:35 pm

2 stops21h 40m

London Heathrow

Mon 2/23

6:40 pm-8:54 pm

2 stops31h 14m

$628

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Mon 2/16

2:05 pm-1:00 pm

2 stops17h 55m

London Heathrow

Wed 2/25

9:00 am-8:54 pm

2 stops16h 54m

$629

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Mon 2/9

2:53 pm-6:55 am

1 stop11h 02m

London Heathrow

Wed 2/18

4:00 pm-7:20 pm

Nonstop8h 20m

$630

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Sat 1/31

5:55 pm-7:10 am

2 stops32h 15m

London Heathrow

Mon 2/9

6:40 pm-8:41 pm

2 stops31h 01m

$631

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Mon 2/16

7:09 pm-10:25 am

1 stop10h 16m

London Heathrow

Wed 2/25

11:00 am-6:07 pm

1 stop12h 07m

$632

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Tue 4/14

9:45 pm-10:05 am

Nonstop7h 20m

London Heathrow

Tue 4/28

4:40 pm-7:50 pm

Nonstop8h 10m

$633

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Tue 4/14

9:45 pm-10:05 am

Nonstop7h 20m

London Heathrow

Tue 4/28

4:40 pm-7:50 pm

Nonstop8h 10m

$634

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Mon 3/16

10:15 pm-9:40 am

Nonstop7h 25m

London Heathrow

Wed 3/25

5:00 pm-7:04 pm

1 stop30h 04m

$635

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Layovers

Other information

What is the cheapest month to fly to London Heathrow Airport?

The month of October is, on average, the cheapest month to fly to London Heathrow Airport from Pittsburgh, with most prices found around $682. If you’re not able to fly to London Heathrow Airport in October, then February is your next best option. Flight prices from Pittsburgh to London Heathrow Airport during February average around $689.

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

Our data shows that Wednesday is the least expensive day to fly to London Heathrow Airport. Tickets to fly out on this day can be as low as $833. The most expensive day to fly to London Heathrow Airport is Saturday, with ticket prices averaging around $1,071.

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 $853 when searching weeks out. 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 $717 on momondo.

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

There are 3 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.

How have Pittsburgh to London Heathrow Airport flight prices changed over time?

As of January 2026, prices for Pittsburgh to London Heathrow Airport flights are approximately 27% 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 round-trip 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	$396
Fastest flight time	7h 20m
Direct flights	Every day

The best one-way flight to London Heathrow Airport from Pittsburgh in the past 72 hours is $396. The best round-trip flight deal from Pittsburgh to London Heathrow Airport found on momondo in the last 72 hours is $674.

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?
London Heathrow is 3700.3 mi away from Pittsburgh. 7h 20m is a normal flight duration for this route.
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 refresh daily.
How many operators does momondo search for flights from Pittsburgh Airport to London Heathrow Airport?
There are 10 operators available for flights from Pittsburgh Airport to London Heathrow Airport as of January 2026.
How old do you have to be to fly from Pittsburgh Airport to London Heathrow Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify 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?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Pittsburgh to London Heathrow Airport is Boeing 787-8 Dreamliner (79.39% of total bookings). The next most popular plane models are Boeing 787-9 Dreamliner (13.39%), Boeing 787-10 Dreamliner (4.39%), and Airbus A330-200 (0.42%).
What is the most popular airline from Pittsburgh to London Heathrow Airport?
Based on momondo bookings for flights between Pittsburgh and London Heathrow Airport, the leading airline is British Airways, making up 56% of the total bookings. Other popular airlines include American Airlines with 18%, Iberia with 9%, and Icelandair with 4%.

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
Delta	PriceFrom $219	Free Cancellation	Rating 7.9 8,080 reviews	Search Delta flights
JetBlue	PriceFrom $295	Free Cancellation	Rating 7.2 2,892 reviews	Search JetBlue flights
Icelandair	PriceFrom $492	Free Cancellation	Rating 7.1 602 reviews	Search Icelandair flights
British Airways	PriceFrom $579	Free Cancellation	Rating 6.7 7,690 reviews	Search British Airways flights
Iberia	PriceFrom $629	Free Cancellation	Rating 7.0 3,093 reviews	Search Iberia flights
Air Canada	PriceFrom $647	Free Cancellation	Rating 7.1 10,637 reviews	Search Air Canada flights
American Airlines	PriceFrom $649	Free Cancellation	Rating 7.2 11,166 reviews	Search American Airlines flights
United Airlines	PriceFrom $663	Free Cancellation	Rating 7.4 9,183 reviews	Search United Airlines flights
Lufthansa	PriceFrom $687	Free Cancellation	Rating 6.8 7,732 reviews	Search Lufthansa flights
Finnair	PriceFrom $689	Free Cancellation	Rating 7.6 1,351 reviews	Search Finnair flights

Finnair Flights From Pittsburgh to London Heathrow Airport
Across 3 Finnair flights from Pittsburgh to London Heathrow Airport this week, the average price was $1,074, with the best Finnair deals starting from $689 round-trip. 1,351 users have rated Finnair on momondo, with an average score of 7.6/10.
American Airlines Flights From Pittsburgh to London Heathrow Airport
$649 is the best American Airlines flight deal from Pittsburgh to London Heathrow Airport found on momondo over the last 72 hours. The average American Airlines ticket price found was closer to $895, however, with flight time and availability significantly affecting the price. American Airlines (7.2/10 from 11,166 user reviews) flies into London Heathrow Airport from Pittsburgh 3 times in an average week so prices can vary.

Gatwick

Hounslow

Luton

Milton Keynes

Dover

Slough

Guildford

Wembley

Crawley

Dartford

Hayes

Stratford-upon-Avon

Brentwood

Watford

Cobham

Folkestone

Romford

Stansted

Harrow

Croydon

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Pittsburgh to London. momondo saves you time and could save you money on your trip.

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

Flights from Pittsburgh to London with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Pittsburgh to London.

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, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Popular cities in the United Kingdom

Flights to London Gatwick Airportfrom $332

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Flights to London Stansted Airportfrom $369

Flights to London Luton Airportfrom $371

Flights to Glasgow Intl Airportfrom $396

Flights to London Southend Airportfrom $415

Flights to Belfast Intl Airportfrom $507

Flights to Belfast City Airportfrom $507

Cheap flights from Pittsburgh to London from $263

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 2/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Find the cheapest flights from Pittsburgh to London

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United Airlines flights from Pittsburgh to London Heathrow Airport

Our best United Airlines deals on Pittsburgh to London Heathrow Airport flight tickets

Austrian Airlines flights from Pittsburgh to London Heathrow Airport

Our best Austrian Airlines deals on Pittsburgh to London Heathrow Airport flight tickets

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Use the filters below to find and compare flights from Pittsburgh to London Heathrow Airport that are best for you.

See travel insights to London from

How to get the cheapest flight ticket from Pittsburgh to London Heathrow Airport

What is the cheapest month to fly to London Heathrow Airport?

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

Our data shows that Wednesday is the least expensive day to fly to London Heathrow Airport. Tickets to fly out on this day can be as low as $833. The most expensive day to fly to London Heathrow Airport is Saturday, with ticket prices averaging around $1,071.

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?

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

There are 3 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.

How have Pittsburgh to London Heathrow Airport flight prices changed over time?

As of January 2026, prices for Pittsburgh to London Heathrow Airport flights are approximately 27% cheaper when compared to flights at the same time last year.

What is the cheapest airline that flies from Pittsburgh to London Heathrow?

JetBlue is the most popular carrier operating from Pittsburgh to London Heathrow

What airlines fly to London Heathrow Airport?

Which airport is the most popular layover for flights between Pittsburgh and London Heathrow Airport?

Reykjavik (KEF) was the most common stop: 63% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport offers the lowest fares from Pittsburgh to London Heathrow Airport?

Flights via Boston (BOS) offer the lowest average round-trip price of $586.

Which layover airport has the shortest travel time from Pittsburgh to London Heathrow Airport?

Flights connecting via Washington, D.C. (IAD) have the shortest average one-way travel time: 9h 31m.

Which layover airport has the shortest connection time from Pittsburgh to London Heathrow Airport?

Washington, D.C. (IAD) has the shortest average layover time for this route: 1h 28m.

How many flights depart from Pittsburgh to London Heathrow Airport on average per day?

As of January 2026, there are 2 flights per day flying from Pittsburgh to London Heathrow Airport. The most common time of day flights depart is 9:00PM, with 100% of flights taking off in the evening.

How many flights depart from Pittsburgh to London Heathrow Airport on average per week?

The number of flights available between Pittsburgh and London Heathrow Airport is 19 per week as of January 2026. The most frequent departure day is Mon, with 32% of weekly flights leaving on this day.

When to book flights from Pittsburgh to London Heathrow Airport

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

Fastest flight time

Direct flights

How far is Pittsburgh to London Heathrow by plane?

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

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?

What documentation or ID do you need to fly to London Heathrow Airport?

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

Finnair Flights From Pittsburgh to London Heathrow Airport

American Airlines Flights From Pittsburgh to London Heathrow Airport

Traveling to a place near London?

Why use momondo?

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

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

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

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

An easier way to manage your London Heathrow Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to London

Popular cities in the United Kingdom

Popular flights according to clicks in the last 7 days on momondo