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

Boston (BOS) was the most common stop: 62% of momondo users choosing 1-stop flights on this route connected there.

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

JetBlue, United Airlines, and Air Canada 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?

Washington, D.C. (IAD) has the shortest average layover time for this route: 1h 13m.

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 36 per week as of August 2025. The most frequent departure day is Tue, with 17% of weekly flights leaving on this day.

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 32m.

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

As of August 2025, there are 5 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 offers the lowest fares from Pittsburgh to London Heathrow Airport?

Flights via Boston (BOS) offer the lowest average round-trip price of $803.

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 56% 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.

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 August 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.

$219 Cheap Flights from Pittsburgh to London Heathrow Airport in 2025

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Find the cheapest flights from Pittsburgh to London

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Cheap round-trip flights

8:30 pm - 11:55 amPIT-LHR

10h 25m1 stop

1:05 pm - 7:20 pmLHR-PIT

11h 15m1 stop

$496Icelandair

Find Deal

mar., oct. 7 - mar., oct. 14

8:30 pm - 8:20 pmPIT-LHR

18h 50m1 stop

9:25 pm - 7:20 pmLHR-PIT

26h 55m1 stop

$497Icelandair

Find Deal

mar., oct. 7 - lun., oct. 13

8:30 pm - 8:20 pmPIT-LHR

18h 50m1 stop

9:25 pm - 7:20 pmLHR-PIT

26h 55m1 stop

$498Icelandair

Find Deal

mar., oct. 7 - lun., oct. 13

7:10 pm - 11:45 amPIT-LHR

11h 35m1 stop

9:30 am - 2:41 pmLHR-PIT

10h 11m1 stop

$520United Airlines

Find Deal

dom., sep. 7 - mar., sep. 16

9:40 pm - 10:05 amPIT-LHR

7h 25mnonstop

4:40 pm - 7:45 pmLHR-PIT

8h 05mnonstop

$526British Airways

Find Deal

mié., oct. 8 - mar., oct. 21

9:05 pm - 9:30 amPIT-LHR

7h 25mnonstop

4:00 pm - 7:20 pmLHR-PIT

8h 20mnonstop

$528British Airways

Find Deal

lun., nov. 10 - mié., nov. 19

3:25 pm - 6:30 amPIT-LHR

10h 05m1 stop

8:40 am - 6:48 pmLHR-PIT

15h 08m2 stops

$541United Airlines

Find Deal

mié., oct. 8 - mié., oct. 15

6:20 am - 9:40 pmPIT-LHR

10h 20m1 stop

4:40 pm - 7:45 pmLHR-PIT

8h 05mnonstop

$555American Airlines

Find Deal

mié., sep. 3 - vie., sep. 12

9:05 pm - 9:30 amPIT-LHR

7h 25mnonstop

10:35 am - 6:12 pmLHR-PIT

12h 37m1 stop

$560Iberia

Find Deal

lun., nov. 17 - mar., nov. 25

9:46 am - 2:55 pmPIT-LHR

24h 09m2 stops

5:25 pm - 6:12 pmLHR-PIT

29h 47m2 stops

$568Iberia

Find Deal

mar., nov. 11 - lun., nov. 17

Icelandair flights from Pittsburgh to London Heathrow Airport

Our best Icelandair deals on Pittsburgh to London Heathrow Airport flight tickets

Icelandair

Oct 7

PIT8:30 pmPittsburgh

10h 25m

1 stop

LHR11:55 amLondon Heathrow

Oct 14

LHR1:05 pmLondon Heathrow

11h 15m

1 stop

PIT7:20 pmPittsburgh

$496

Find similar

Icelandair

Oct 7

PIT8:30 pmPittsburgh

18h 50m

1 stop

LHR8:20 pmLondon Heathrow

Oct 13

LHR9:25 pmLondon Heathrow

26h 55m

1 stop

PIT7:20 pmPittsburgh

$497

Find similar

Icelandair

Oct 7

PIT8:30 pmPittsburgh

18h 50m

1 stop

LHR8:20 pmLondon Heathrow

Oct 13

LHR9:25 pmLondon Heathrow

26h 55m

1 stop

PIT7:20 pmPittsburgh

$498

Find similar

Air Canada flights from Pittsburgh to London Heathrow Airport

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

Air Canada

Sep 7

PIT4:15 pmPittsburgh

14h 35m

1 stop

LHR11:50 amLondon Heathrow

Sep 16

LHR6:50 amLondon Heathrow

12h 51m

2 stops

PIT2:41 pmPittsburgh

$515

Find similar

Air Canada

Sep 7

PIT4:15 pmPittsburgh

14h 35m

1 stop

LHR11:50 amLondon Heathrow

Sep 16

LHR9:30 amLondon Heathrow

10h 11m

1 stop

PIT2:41 pmPittsburgh

$527

Find similar

Air Canada

Sep 7

PIT4:15 pmPittsburgh

13h 00m

2 stops

LHR10:15 amLondon Heathrow

Sep 16

LHR6:50 amLondon Heathrow

12h 51m

2 stops

PIT2:41 pmPittsburgh

$537

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.

Fly from

Fly to

Route

Depart

Return

Price

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

mar. 10/7

8:30 pm-11:55 am

1 stop10h 25m

London Heathrow

mar. 10/14

1:05 pm-7:20 pm

1 stop11h 15m

$496

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

mar. 10/7

8:30 pm-8:20 pm

1 stop18h 50m

London Heathrow

lun. 10/13

9:25 pm-7:20 pm

1 stop26h 55m

$497

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

mar. 10/7

8:30 pm-8:20 pm

1 stop18h 50m

London Heathrow

lun. 10/13

9:25 pm-7:20 pm

1 stop26h 55m

$498

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

dom. 9/7

7:10 pm-11:45 am

1 stop11h 35m

London Heathrow

mar. 9/16

9:30 am-2:41 pm

1 stop10h 11m

$520

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

mié. 10/8

9:40 pm-10:05 am

Nonstop7h 25m

London Heathrow

mar. 10/21

4:40 pm-7:45 pm

Nonstop8h 05m

$526

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

lun. 11/10

9:05 pm-9:30 am

Nonstop7h 25m

London Heathrow

mié. 11/19

4:00 pm-7:20 pm

Nonstop8h 20m

$528

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

mié. 10/8

3:25 pm-6:30 am

1 stop10h 05m

London Heathrow

mié. 10/15

8:40 am-6:48 pm

2 stops15h 08m

$541

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

mié. 9/3

6:20 am-9:40 pm

1 stop10h 20m

London Heathrow

vie. 9/12

4:40 pm-7:45 pm

Nonstop8h 05m

$555

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

lun. 11/17

9:05 pm-9:30 am

Nonstop7h 25m

London Heathrow

mar. 11/25

10:35 am-6:12 pm

1 stop12h 37m

$560

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

mar. 11/11

9:46 am-2:55 pm

2 stops24h 09m

London Heathrow

lun. 11/17

5:25 pm-6:12 pm

2 stops29h 47m

$568

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 January is, on average, the cheapest month to fly to London Heathrow Airport from Pittsburgh, with most prices found around $695. 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 $1,119.

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 $851 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 $759 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 August 2025, prices for Pittsburgh to London Heathrow Airport flights are approximately 36% 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	$219
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 $219. The best round-trip flight deal from Pittsburgh to London Heathrow Airport found on momondo in the last 72 hours is $496.

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 August 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 (63.50% of total bookings). The next most popular plane models are Boeing 787-9 Dreamliner (18.69%), Boeing 787-10 Dreamliner (15.23%), and Airbus A320 (sharklets) (0.66%).
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 52% of the total bookings. Other popular airlines include American Airlines with 20%, Iberia with 15%, 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 8.0 7,980 reviews	Search Delta flights
Icelandair	PriceFrom $492	Free Cancellation	Rating 7.0 526 reviews	Search Icelandair flights
JetBlue	PriceFrom $541	Free Cancellation	Rating 7.2 2,914 reviews	Search JetBlue flights
Finnair	PriceFrom $604	Free Cancellation	Rating 7.6 1,321 reviews	Search Finnair flights
British Airways	PriceFrom $610	Free Cancellation	Rating 6.6 7,266 reviews	Search British Airways flights
Iberia	PriceFrom $614	Free Cancellation	Rating 7.0 2,878 reviews	Search Iberia flights
American Airlines	PriceFrom $638	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
United Airlines	PriceFrom $704	Free Cancellation	Rating 7.4 8,916 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. 1,321 users have rated Finnair on momondo, with an average score of 7.6/10.
American Airlines Flights From Pittsburgh to London Heathrow Airport
$638 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 $809, 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 7 times in an average week so prices can vary.

Hounslow

Gatwick

Dover

Slough

Luton

Guildford

Milton Keynes

Dartford

Crawley

Hayes

Chelmsford

Stansted

Salisbury

Brentwood

Ilford

Swindon

Colchester

Folkestone

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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Popular cities in the United Kingdom

Flights to London Gatwick Airportfrom $366

Flights to London City Airportfrom $415

Flights to London Stansted Airportfrom $416

Flights to London Luton Airportfrom $432

Flights to London Southend Airportfrom $435

Flights to Glasgow Intl Airportfrom $426

Flights to Belfast Intl Airportfrom $479

Flights to Belfast City Airportfrom $519

Cheap flights from Pittsburgh to London from $219

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 9/25. 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

Cheap round-trip flights

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Icelandair flights from Pittsburgh to London Heathrow Airport

Our best Icelandair deals on Pittsburgh to London Heathrow Airport flight tickets

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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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

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 $1,119.

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 August 2025, prices for Pittsburgh to London Heathrow Airport flights are approximately 36% cheaper when compared to flights at the same time last year.

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

JetBlue, United Airlines, and Air Canada 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: 62% 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 $803.

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 32m.

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 13m.

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

As of August 2025, there are 5 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 36 per week as of August 2025. The most frequent departure day is Tue, with 17% 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