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 $977.

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

As of May 2026, there are 6 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 42 per week as of May 2026. The most frequent departure day is Mon, with 14% of weekly flights leaving on this day.

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

Reykjavik (KEF) was the most common stop: 50% of momondo users choosing 1-stop flights on this route connected there.

What airlines fly to London Heathrow Airport?

British Airways, American Airlines and JetBlue 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 68% 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?

British Airways, Delta, and KLM are the most popular carriers 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 May 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.

$320 Cheap Flights from Pittsburgh to London Heathrow Airport in 2026

Q: What is the typical price of a round-trip flight between Pittsburgh and London Heathrow Airport?

Prices are currently low for flights on this route. Typical prices usually range from $1,233 to $862. The lowest price recently found on this route was $896.

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Find the cheapest flights from Pittsburgh to London

Round-trip

One-way

Last minute

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Cheap round-trip flights

Enter your travel dates to find the best prices.

9:45 pm - 10:05 am

PIT

LHR

7h 20mnonstop

9:20 am - 8:00 pm

LHR

PIT

15h 40m

1 stop

$896Multiple Airlines

Fri, Oct 23 - Fri, Nov 6

6:08 am - 5:40 pm

PIT

LHR

30h 32m

2 stops

7:05 am - 9:37 pm

LHR

PIT

19h 32m

2 stops

$897Scandinavian Airlines

Wed, Aug 19 - Wed, Aug 26

6:40 pm - 12:05 pm

PIT

LHR

12h 25m

1 stop

4:05 pm - 10:38 pm

LHR

PIT

11h 33m

1 stop

$898Delta

Wed, Aug 19 - Thu, Aug 27

5:09 pm - 10:50 am

PIT

LHR

12h 41m

1 stop

9:20 am - 8:00 pm

LHR

PIT

15h 40m

1 stop

$900Multiple Airlines

Fri, Oct 23 - Fri, Nov 6

8:19 pm - 7:20 am

PIT

LHR

31h 01m

1 stop

4:00 pm - 7:20 pm

LHR

PIT

8h 20mnonstop

$901British Airways

Sat, Oct 31 - Wed, Nov 11

5:11 pm - 8:00 pm

PIT

LHR

21h 49m

1 stop

11:05 am - 6:39 pm

LHR

PIT

12h 34m

1 stop

$903Delta

Sat, Nov 7 - Wed, Nov 11

12:53 pm - 6:25 am

PIT

LHR

12h 32m

1 stop

8:05 pm - 4:57 pm

LHR

PIT

25h 52m

2 stops

$904Multiple Airlines

Wed, Sep 23 - Sun, Sep 27

6:10 am - 9:20 am

PIT

LHR

22h 10m

2 stops

6:40 am - 9:27 pm

LHR

PIT

19h 47m

2 stops

$907Scandinavian Airlines

Tue, Sep 15 - Tue, Sep 22

9:45 pm - 10:05 am

PIT

LHR

7h 20mnonstop

7:30 am - 9:22 pm

LHR

PIT

17h 52m

2 stops

$910Iberia

Thu, Oct 22 - Tue, Oct 27

10:15 pm - 9:40 am

PIT

LHR

7h 25mnonstop

9:20 am - 5:31 pm

LHR

PIT

13h 11m

1 stop

$911Multiple Airlines

Wed, Oct 28 - Fri, Nov 6

Scandinavian Airlines flights from Pittsburgh to London Heathrow Airport

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

Scandinavian Airlines

Aug 19

PIT6:08 amPittsburgh

30h 32m

2 stops

LHR5:40 pmLondon Heathrow

Aug 26

LHR7:05 amLondon Heathrow

19h 32m

2 stops

PIT9:37 pmPittsburgh

$897

Scandinavian Airlines

Sep 15

PIT6:10 amPittsburgh

22h 10m

2 stops

LHR9:20 amLondon Heathrow

Sep 22

LHR6:40 amLondon Heathrow

19h 47m

2 stops

PIT9:27 pmPittsburgh

$907

Scandinavian Airlines

Oct 15

PIT11:49 amPittsburgh

16h 46m

2 stops

LHR9:35 amLondon Heathrow

Oct 22

LHR7:05 amLondon Heathrow

19h 21m

2 stops

PIT9:26 pmPittsburgh

$947

Delta flights from Pittsburgh to London Heathrow Airport

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

Delta

Aug 19

PIT6:40 pmPittsburgh

12h 25m

1 stop

LHR12:05 pmLondon Heathrow

Aug 27

LHR4:05 pmLondon Heathrow

11h 33m

1 stop

PIT10:38 pmPittsburgh

$898

Delta

Nov 7

PIT5:11 pmPittsburgh

21h 49m

1 stop

LHR8:00 pmLondon Heathrow

Nov 11

LHR11:05 amLondon Heathrow

12h 34m

1 stop

PIT6:39 pmPittsburgh

$903

Delta

Oct 31

PIT7:20 amPittsburgh

20h 45m

1 stop

LHR8:05 amLondon Heathrow

Nov 11

LHR6:30 amLondon Heathrow

16h 33m

2 stops

PIT6:03 pmPittsburgh

$919

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

Cheapest round-trip

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Fri 10/23

9:45 pm-10:05 am

Nonstop7h 20m

London Heathrow

Fri 11/6

9:20 am-8:00 pm

1 stop15h 40m

$896

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Wed 8/19

6:08 am-5:40 pm

2 stops30h 32m

London Heathrow

Wed 8/26

7:05 am-9:37 pm

2 stops19h 32m

$897

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Wed 8/19

6:40 pm-12:05 pm

1 stop12h 25m

London Heathrow

Thu 8/27

4:05 pm-10:38 pm

1 stop11h 33m

$898

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Fri 10/23

5:09 pm-10:50 am

1 stop12h 41m

London Heathrow

Fri 11/6

9:20 am-8:00 pm

1 stop15h 40m

$900

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Sat 10/31

8:19 pm-7:20 am

1 stop31h 01m

London Heathrow

Wed 11/11

4:00 pm-7:20 pm

Nonstop8h 20m

$901

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Sat 11/7

5:11 pm-8:00 pm

1 stop21h 49m

London Heathrow

Wed 11/11

11:05 am-6:39 pm

1 stop12h 34m

$903

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Wed 9/23

12:53 pm-6:25 am

1 stop12h 32m

London Heathrow

Sun 9/27

8:05 pm-4:57 pm

2 stops25h 52m

$904

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Tue 9/15

6:10 am-9:20 am

2 stops22h 10m

London Heathrow

Tue 9/22

6:40 am-9:27 pm

2 stops19h 47m

$907

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Thu 10/22

9:45 pm-10:05 am

Nonstop7h 20m

London Heathrow

Tue 10/27

7:30 am-9:22 pm

2 stops17h 52m

$910

Quickest round-trip

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Wed 10/28

10:15 pm-9:40 am

Nonstop7h 25m

London Heathrow

Fri 11/6

9:20 am-5:31 pm

1 stop13h 11m

$911

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 typical price of a round-trip flight between Pittsburgh and London Heathrow Airport?

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 $684. 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 $830. The most expensive day to fly to London Heathrow Airport is Saturday, with ticket prices averaging around $1,147.

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 from Pittsburgh 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 $897 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 $700 on momondo.

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

No. A direct flight is the cheapest option for a flight between Pittsburgh to London Heathrow Airport.

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

As of May 2026, prices for Pittsburgh to London Heathrow Airport flights are approximately 20% more expensive 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	$395
Fastest flight time	7h 15m
Direct flights	Every day

The best one-way flight to London Heathrow Airport from Pittsburgh in the past 72 hours is $395. The best round-trip flight deal from Pittsburgh to London Heathrow Airport found on momondo in the last 72 hours is $1,106.

The fastest flight from Pittsburgh to London Heathrow Airport takes 7h 15m

Direct flights go from Pittsburgh to London Heathrow Airport every day.

Search flight deals

Frequently asked questions about flying from Pittsburgh to London Heathrow Airport

How far is Pittsburgh to London Heathrow by plane?
London Heathrow is 3700.3 mi away from Pittsburgh. 7h 15m 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 May 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 (61.74% of total bookings). The next most popular plane models are Boeing 787-9 Dreamliner (31.23%), Boeing 787-10 Dreamliner (4.93%), and Airbus A321neo (0.27%).
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 60% of the total bookings. Other popular airlines include American Airlines with 17%, JetBlue with 6%, 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 8,453 reviews	Search Delta flights
JetBlue	PriceFrom $295	Free Cancellation	Rating 7.1 2,974 reviews	Search JetBlue flights
Icelandair	PriceFrom $485	Free Cancellation	Rating 7.0 654 reviews	Search Icelandair flights
British Airways	PriceFrom $569	Free Cancellation	Rating 6.7 7,979 reviews	Search British Airways flights
United Airlines	PriceFrom $583	Free Cancellation	Rating 7.4 9,711 reviews	Search United Airlines flights
Iberia	PriceFrom $588	Free Cancellation	Rating 7.0 3,216 reviews	Search Iberia flights
Air Canada	PriceFrom $647	Free Cancellation	Rating 7.1 11,033 reviews	Search Air Canada flights
American Airlines	PriceFrom $649	Free Cancellation	Rating 7.1 11,666 reviews	Search American Airlines flights
Lufthansa	PriceFrom $687	Free Cancellation	Rating 6.8 8,000 reviews	Search Lufthansa flights
Finnair	PriceFrom $689	Free Cancellation	Rating 7.6 1,393 reviews	Search Finnair flights

Finnair Flights From Pittsburgh to London Heathrow Airport
Across 7 Finnair flights from Pittsburgh to London Heathrow Airport this week, the average price was $801, with the best Finnair deals starting from $689 round-trip. 1,393 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 $992, however, with flight time and availability significantly affecting the price. American Airlines (7.1/10 from 11,663 user reviews) flies into London Heathrow Airport from Pittsburgh 7 times in an average week so prices can vary.

Hounslow

Gatwick

Milton Keynes

Dover

Luton

Hayes

Crawley

Stratford-upon-Avon

Wembley

Slough

Croydon

Stansted

Watford

Harrow

Brentwood

Dartford

Cobham

Folkestone

Romford

Uxbridge

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 $504

Flights to London Stansted Airportfrom $513

Flights to London City Airportfrom $661

Flights to London Luton Airportfrom $530

Flights to Glasgow Intl Airportfrom $569

Flights to Belfast Intl Airport

Flights to London Southend Airportfrom $704

Flights to Belfast City Airportfrom $711

Cheap flights from Pittsburgh to London from $320

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 8/24. 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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Scandinavian Airlines flights from Pittsburgh to London Heathrow Airport

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

Delta flights from Pittsburgh to London Heathrow Airport

Our best Delta 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 typical price of a round-trip flight between Pittsburgh and 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 from Pittsburgh to London Heathrow Airport?

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

Frequently asked questions about flying 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?

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

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