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 23 per week as of February 2026. The most frequent departure day is Wed, with 26% of weekly flights leaving on this day.

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

Reykjavik (KEF) was the most common stop: 67% of momondo users choosing 1-stop flights on this route connected there.

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.

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.

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

Flights via Reykjavik (KEF) offer the lowest average round-trip price of $882.

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

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

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 day?

As of February 2026, there are 3 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.

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 February 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.

$294 Cheap Flights from Pittsburgh to London Heathrow Airport in 2026

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Enter your travel dates to find the best prices.

7:00 pm - 7:40 pm

PIT

LHR

19h 40m

2 stops

8:25 pm - 8:38 pm

LHR

PIT

29h 13m

2 stops

$665Lufthansa

Mon, Apr 20 - Thu, Apr 30

5:45 pm - 7:50 am

PIT

LHR

10h 05m

1 stop

10:00 am - 9:30 pm

LHR

PIT

15h 30m

2 stops

$668Delta

Tue, Mar 10 - Thu, Mar 19

1:42 pm - 7:40 am

PIT

LHR

13h 58m

2 stops

10:00 am - 9:30 pm

LHR

PIT

15h 30m

2 stops

$669KLM

Mon, Mar 9 - Wed, Mar 18

2:07 pm - 6:55 am

PIT

LHR

12h 48m

2 stops

8:40 am - 9:30 pm

LHR

PIT

16h 50m

2 stops

$672Delta

Tue, Mar 10 - Thu, Mar 19

11:23 am - 6:55 am

PIT

LHR

15h 32m

1 stop

8:55 am - 10:46 pm

LHR

PIT

17h 51m

2 stops

$674Delta

Wed, Mar 11 - Fri, Mar 20

7:00 am - 9:20 am

PIT

LHR

22h 20m

2 stops

1:25 pm - 8:49 pm

LHR

PIT

35h 24m

2 stops

$675Air Canada

Wed, Mar 11 - Thu, Mar 19

6:12 am - 8:45 pm

PIT

LHR

9h 33m

1 stop

11:55 am - 11:59 pm

LHR

PIT

17h 04m

1 stop

$677JetBlue

Mon, Apr 20 - Thu, Apr 30

6:12 am - 8:45 pm

PIT

LHR

9h 33m

1 stop

8:40 am - 8:33 am

LHR

PIT

28h 53m

1 stop

$678JetBlue

Tue, May 5 - Sun, May 10

5:55 pm - 11:20 am

PIT

LHR

13h 25m

1 stop

1:25 pm - 11:51 pm

LHR

PIT

38h 26m

2 stops

$679Air Canada

Sun, Mar 8 - Tue, Mar 17

5:55 pm - 6:35 am

PIT

LHR

31h 40m

1 stop

8:45 am - 8:22 pm

LHR

PIT

16h 37m

2 stops

$680Multiple Airlines

Sat, Apr 25 - Tue, May 5

United Airlines flights from Pittsburgh to London Heathrow Airport

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

United Airlines

Mar 10

PIT7:05 amPittsburgh

10h 15m

1 stop

LHR9:20 pmLondon Heathrow

Mar 17

LHR12:05 pmLondon Heathrow

10h 56m

1 stop

PIT7:01 pmPittsburgh

$693

United Airlines

Mar 30

PIT6:10 amPittsburgh

23h 30m

1 stop

LHR10:40 amLondon Heathrow

Apr 8

LHR5:40 pmLondon Heathrow

28h 38m

1 stop

PIT5:18 pmPittsburgh

$696

United Airlines

Mar 11

PIT10:52 amPittsburgh

16h 18m

2 stops

LHR7:10 amLondon Heathrow

Mar 25

LHR9:10 amLondon Heathrow

11h 33m

1 stop

PIT4:43 pmPittsburgh

$698

Lufthansa flights from Pittsburgh to London Heathrow Airport

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

Lufthansa

Apr 20

PIT7:00 pmPittsburgh

19h 40m

2 stops

LHR7:40 pmLondon Heathrow

Apr 30

LHR8:25 pmLondon Heathrow

29h 13m

2 stops

PIT8:38 pmPittsburgh

$665

Lufthansa

Feb 25

PIT5:56 pmPittsburgh

19h 39m

2 stops

LHR6:35 pmLondon Heathrow

Mar 4

LHR8:45 amLondon Heathrow

19h 45m

2 stops

PIT11:30 pmPittsburgh

$780

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

Mon 4/20

7:00 pm-7:40 pm

2 stops19h 40m

London Heathrow

Thu 4/30

8:25 pm-8:38 pm

2 stops29h 13m

$665

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Tue 3/10

5:45 pm-7:50 am

1 stop10h 05m

London Heathrow

Thu 3/19

10:00 am-9:30 pm

2 stops15h 30m

$668

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Mon 3/9

1:42 pm-7:40 am

2 stops13h 58m

London Heathrow

Wed 3/18

10:00 am-9:30 pm

2 stops15h 30m

$669

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Tue 3/10

2:07 pm-6:55 am

2 stops12h 48m

London Heathrow

Thu 3/19

8:40 am-9:30 pm

2 stops16h 50m

$672

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Wed 3/11

11:23 am-6:55 am

1 stop15h 32m

London Heathrow

Fri 3/20

8:55 am-10:46 pm

2 stops17h 51m

$674

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Wed 3/11

7:00 am-9:20 am

2 stops22h 20m

London Heathrow

Thu 3/19

1:25 pm-8:49 pm

2 stops35h 24m

$675

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Mon 4/20

6:12 am-8:45 pm

1 stop9h 33m

London Heathrow

Thu 4/30

11:55 am-11:59 pm

1 stop17h 04m

$677

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Tue 5/5

6:12 am-8:45 pm

1 stop9h 33m

London Heathrow

Sun 5/10

8:40 am-8:33 am

1 stop28h 53m

$678

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Sun 3/8

5:55 pm-11:20 am

1 stop13h 25m

London Heathrow

Tue 3/17

1:25 pm-11:51 pm

2 stops38h 26m

$679

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Sat 4/25

5:55 pm-6:35 am

1 stop31h 40m

London Heathrow

Tue 5/5

8:45 am-8:22 pm

2 stops16h 37m

$680

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 $690.

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 $832. The most expensive day to fly to London Heathrow Airport is Saturday, with ticket prices averaging around $1,038.

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 $860 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 $697 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.

Can stopping save me money on Pittsburgh to London Heathrow Airport flights?

You could potentially save up to 15% on your flight if you consider stops on a Pittsburgh to London Heathrow Airport flight.

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

As of February 2026, prices for Pittsburgh to London Heathrow Airport flights are approximately 8% 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	$409
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 $409. The best round-trip flight deal from Pittsburgh to London Heathrow Airport found on momondo in the last 72 hours is $746.

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 February 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 (70.36% of total bookings). The next most popular plane models are Boeing 787-9 Dreamliner (23.59%), Boeing 787-10 Dreamliner (2.97%), and Airbus A330-200 (0.41%).
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 8%, and JetBlue with 5%.

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 8,233 reviews	Search Delta flights
JetBlue	PriceFrom $295	Free Cancellation	Rating 7.2 2,898 reviews	Search JetBlue flights
Icelandair	PriceFrom $492	Free Cancellation	Rating 7.1 617 reviews	Search Icelandair flights
British Airways	PriceFrom $574	Free Cancellation	Rating 6.7 7,757 reviews	Search British Airways flights
United Airlines	PriceFrom $583	Free Cancellation	Rating 7.4 9,339 reviews	Search United Airlines flights
Iberia	PriceFrom $610	Free Cancellation	Rating 7.0 3,118 reviews	Search Iberia flights
Air Canada	PriceFrom $647	Free Cancellation	Rating 7.1 10,735 reviews	Search Air Canada flights
American Airlines	PriceFrom $649	Free Cancellation	Rating 7.2 11,336 reviews	Search American Airlines flights
Lufthansa	PriceFrom $687	Free Cancellation	Rating 6.8 7,798 reviews	Search Lufthansa flights
Finnair	PriceFrom $689	Free Cancellation	Rating 7.6 1,365 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. 1,365 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 $896, however, with flight time and availability significantly affecting the price. American Airlines (7.2/10 from 11,336 user reviews) flies into London Heathrow Airport from Pittsburgh 4 times in an average week so prices can vary.

Gatwick

Hounslow

Milton Keynes

Luton

Dover

Slough

Stratford-upon-Avon

Crawley

Hayes

Wembley

Dartford

Brentwood

Croydon

Guildford

Harrow

Watford

Cobham

Folkestone

Romford

Stansted

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

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Flights to London Gatwick Airportfrom $388

Flights to London City Airportfrom $508

Flights to London Stansted Airportfrom $332

Flights to London Luton Airportfrom $349

Flights to Glasgow Intl Airportfrom $341

Flights to Belfast Intl Airportfrom $566

Flights to London Southend Airportfrom $417

Flights to Belfast City Airportfrom $566

Cheap flights from Pittsburgh to London from $294

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 5/11. 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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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?

What is the cheapest Pittsburgh to London Heathrow flight route?

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?

Can stopping save me money on Pittsburgh to London Heathrow Airport flights?

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

What is the cheapest airline that flies 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?

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

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

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

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

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

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

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

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According to popular flight searches on momondo this year

London Heathrow Airport flight routes

According to popular flight searches on momondo this year

Fly your favorite airline to London

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List of cabin classes available on flights landing in London. Availability may vary depending on flight origin and airline.

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