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.

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 59% of people opting to fly with this airline when traveling to London Heathrow Airport. Keep in mind that there are 8 different airlines that fly to London Heathrow Airport on a routine basis, so you have a few additional options to choose from.

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

Boston (BOS) was the most common stop: 54% of momondo users choosing 1-stop flights on this route connected there.

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

As of September 2025, there are 4 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 32 per week as of September 2025. The most frequent departure day is Mon, with 19% of weekly flights leaving on this day.

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

JetBlue, Scandinavian Airlines, and Icelandair are the most popular carriers operating from Pittsburgh to London Heathrow

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

Atlanta (ATL) has the shortest average layover time for this route: 1h 21m.

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 $823.

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 8 operators available for flights from Pittsburgh Airport to London Heathrow Airport as of September 2025.

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.

$227 Cheap Flights from Pittsburgh to London Heathrow Airport in 2025/26

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Cheap round-trip flights

3:25 pm - 6:30 amPIT-LHR

10h 05m1 stop

8:30 am - 3:34 pmLHR-PIT

12h 04m1 stop

$531Air Canada

Find Deal

Sun, Oct 12 - Tue, Oct 21

3:25 pm - 6:30 amPIT-LHR

10h 05m1 stop

12:05 pm - 3:34 pmLHR-PIT

32h 29m1 stop

$533Air Canada

Find Deal

Sun, Oct 12 - Tue, Oct 21

6:15 am - 6:30 amPIT-LHR

19h 15m2 stops

2:05 pm - 1:05 pmLHR-PIT

28h 00m2 stops

$544United Airlines

Find Deal

Wed, Oct 1 - Wed, Oct 15

9:40 pm - 10:05 amPIT-LHR

7h 25mnonstop

4:40 pm - 7:45 pmLHR-PIT

8h 05mnonstop

$546British Airways

Find Deal

Tue, Oct 14 - Tue, Oct 21

1:13 pm - 6:20 amPIT-LHR

12h 07m1 stop

12:05 pm - 11:34 pmLHR-PIT

16h 29m2 stops

$548United Airlines

Find Deal

Mon, Nov 10 - Wed, Nov 19

9:40 pm - 10:05 amPIT-LHR

7h 25mnonstop

4:40 pm - 7:45 pmLHR-PIT

8h 05mnonstop

$552American Airlines

Find Deal

Sun, Oct 12 - Tue, Oct 21

9:40 pm - 10:05 amPIT-LHR

7h 25mnonstop

4:40 pm - 7:45 pmLHR-PIT

8h 05mnonstop

$553American Airlines

Find Deal

Sun, Oct 12 - Tue, Oct 21

2:20 pm - 6:45 amPIT-LHR

11h 25m1 stop

6:30 am - 4:53 pmLHR-PIT

15h 23m2 stops

$559Delta

Find Deal

Wed, Oct 8 - Wed, Oct 15

10:02 am - 7:15 amPIT-LHR

16h 13m1 stop

6:30 am - 6:15 pmLHR-PIT

16h 45m2 stops

$560Delta

Find Deal

Sun, Oct 12 - Tue, Oct 21

12:54 pm - 6:20 amPIT-LHR

12h 26m1 stop

2:25 pm - 9:39 pmLHR-PIT

12h 14m1 stop

$561British Airways

Find Deal

Wed, Oct 1 - Wed, Oct 22

Air Canada flights from Pittsburgh to London Heathrow Airport

Our best Air Canada deals on Pittsburgh to London Heathrow Airport flight tickets

Air Canada

Oct 12

PIT3:25 pmPittsburgh

10h 05m

1 stop

LHR6:30 amLondon Heathrow

Oct 21

LHR8:30 amLondon Heathrow

12h 04m

1 stop

PIT3:34 pmPittsburgh

$531

Find similar

Air Canada

Oct 12

PIT3:25 pmPittsburgh

10h 05m

1 stop

LHR6:30 amLondon Heathrow

Oct 21

LHR12:05 pmLondon Heathrow

32h 29m

1 stop

PIT3:34 pmPittsburgh

$533

Find similar

Air Canada

Oct 12

PIT3:25 pmPittsburgh

10h 05m

1 stop

LHR6:30 amLondon Heathrow

Oct 21

LHR6:00 amLondon Heathrow

14h 34m

2 stops

PIT3:34 pmPittsburgh

$540

Find similar

American Airlines flights from Pittsburgh to London Heathrow Airport

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

American Airlines

Oct 12

PIT9:40 pmPittsburgh

7h 25m

LHR10:05 amLondon Heathrow

Oct 21

LHR4:40 pmLondon Heathrow

8h 05m

PIT7:45 pmPittsburgh

$552

Find similar

American Airlines

Oct 12

PIT9:40 pmPittsburgh

7h 25m

LHR10:05 amLondon Heathrow

Oct 21

LHR4:40 pmLondon Heathrow

8h 05m

PIT7:45 pmPittsburgh

$553

Find similar

American Airlines

Oct 12

PIT9:40 pmPittsburgh

7h 25m

LHR10:05 amLondon Heathrow

Oct 21

LHR4:40 pmLondon Heathrow

8h 05m

PIT7:45 pmPittsburgh

$555

Find similar

momondo Fare Finder

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

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Route

Depart

Return

Price

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Sun 10/12

3:25 pm-6:30 am

1 stop10h 05m

London Heathrow

Tue 10/21

8:30 am-3:34 pm

1 stop12h 04m

$531

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Sun 10/12

3:25 pm-6:30 am

1 stop10h 05m

London Heathrow

Tue 10/21

12:05 pm-3:34 pm

1 stop32h 29m

$533

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Wed 10/1

6:15 am-6:30 am

2 stops19h 15m

London Heathrow

Wed 10/15

2:05 pm-1:05 pm

2 stops28h 00m

$544

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Tue 10/14

9:40 pm-10:05 am

Nonstop7h 25m

London Heathrow

Tue 10/21

4:40 pm-7:45 pm

Nonstop8h 05m

$546

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Mon 11/10

1:13 pm-6:20 am

1 stop12h 07m

London Heathrow

Wed 11/19

12:05 pm-11:34 pm

2 stops16h 29m

$548

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Sun 10/12

9:40 pm-10:05 am

Nonstop7h 25m

London Heathrow

Tue 10/21

4:40 pm-7:45 pm

Nonstop8h 05m

$552

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Sun 10/12

9:40 pm-10:05 am

Nonstop7h 25m

London Heathrow

Tue 10/21

4:40 pm-7:45 pm

Nonstop8h 05m

$553

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Wed 10/8

2:20 pm-6:45 am

1 stop11h 25m

London Heathrow

Wed 10/15

6:30 am-4:53 pm

2 stops15h 23m

$559

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Sun 10/12

10:02 am-7:15 am

1 stop16h 13m

London Heathrow

Tue 10/21

6:30 am-6:15 pm

2 stops16h 45m

$560

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Wed 10/1

12:54 pm-6:20 am

1 stop12h 26m

London Heathrow

Wed 10/22

2:25 pm-9:39 pm

1 stop12h 14m

$561

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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 January is, on average, the cheapest month to fly to London Heathrow Airport from Pittsburgh, with most prices found around $697. If you’re not able to fly to London Heathrow Airport in January, then October is your next best option. Flight prices from Pittsburgh to London Heathrow Airport during October average around $702.

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 $802. The most expensive day to fly to London Heathrow Airport is Saturday, with ticket prices averaging around $1,111.

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 $826. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights at noon are often more expensive with an average ticket price of $931.

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 $846 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 $772 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 September 2025, 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	$474
Fastest flight time	7h 25m
Direct flights	Every day

The best one-way flight to London Heathrow Airport from Pittsburgh in the past 72 hours is $474. The best round-trip flight deal from Pittsburgh to London Heathrow Airport found on momondo in the last 72 hours is $654.

The fastest flight from Pittsburgh to London Heathrow Airport takes 7h 25m

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 25m 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 8 operators available for flights from Pittsburgh Airport to London Heathrow Airport as of September 2025.
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 (78.07% of total bookings). The next most popular plane models are Boeing 787-9 Dreamliner (9.71%), Boeing 787-10 Dreamliner (9.55%), and Airbus A320 (sharklets) (0.70%).
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 54% of the total bookings. Other popular airlines include American Airlines with 20%, Iberia with 13%, and JetBlue with 6%.

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 7,961 reviews	Search Delta flights
Icelandair	PriceFrom $492	Free Cancellation	Rating 7.0 545 reviews	Search Icelandair flights
JetBlue	PriceFrom $505	Free Cancellation	Rating 7.2 2,914 reviews	Search JetBlue flights
British Airways	PriceFrom $591	Free Cancellation	Rating 6.7 7,367 reviews	Search British Airways flights
Finnair	PriceFrom $604	Free Cancellation	Rating 7.6 1,324 reviews	Search Finnair flights
Iberia	PriceFrom $633	Free Cancellation	Rating 7.0 2,925 reviews	Search Iberia flights
American Airlines	PriceFrom $644	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
United Airlines	PriceFrom $733	Free Cancellation	Rating 7.4 8,926 reviews	Search United Airlines flights

Finnair Flights From Pittsburgh to London Heathrow Airport
Across 5 Finnair flights from Pittsburgh to London Heathrow Airport this week, the average price was $855, with the best Finnair deals starting from $604 round-trip. 1,324 users have rated Finnair on momondo, with an average score of 7.6/10.
American Airlines Flights From Pittsburgh to London Heathrow Airport
$644 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 $813, however, with flight time and availability significantly affecting the price. American Airlines (7.2/10 from 10,000 user reviews) flies into London Heathrow Airport from Pittsburgh 5 times in an average week so prices can vary.

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Slough

Milton Keynes

Hayes

Guildford

Dartford

Crawley

Stansted

Chelmsford

Salisbury

Brentwood

Ilford

Folkestone

Colchester

Swindon

Stratford-upon-Avon

Watford

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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Flights to London Gatwick Airportfrom $349

Flights to London City Airportfrom $452

Flights to London Stansted Airportfrom $401

Flights to London Luton Airportfrom $404

Flights to Glasgow Intl Airportfrom $374

Flights to Belfast Intl Airportfrom $464

Flights to London Southend Airportfrom $486

Flights to Belfast City Airportfrom $514

Cheap flights from Pittsburgh to London from $227

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 10/16. 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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Air Canada flights from Pittsburgh to London Heathrow Airport

Our best Air Canada deals on Pittsburgh to London Heathrow Airport flight tickets

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Our best American 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.

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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 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 $802. The most expensive day to fly to London Heathrow Airport is Saturday, with ticket prices averaging around $1,111.

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

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 September 2025, 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, Scandinavian Airlines, and Icelandair are the most popular carriers 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?

Boston (BOS) was the most common stop: 54% 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 $823.

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?

Atlanta (ATL) has the shortest average layover time for this route: 1h 21m.

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

As of September 2025, there are 4 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 32 per week as of September 2025. The most frequent departure day is Mon, with 19% 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