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 $799.

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

Reykjavik (KEF) was the most common stop: 85% of momondo users choosing 1-stop flights on this route connected there.

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 30m.

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 9 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 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 44m.

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

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

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 July 2026. The most frequent departure day is Mon, with 14% of weekly flights leaving on this day.

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

As of July 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.

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 9 operators available for flights from Pittsburgh Airport to London Heathrow Airport as of July 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.

$256 Cheap Flights from Pittsburgh to London Heathrow Airport in 2026

Discover deals from 900+ travel sites with momondo.

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.

6:45 am - 6:30 am

PIT

LHR

18h 45m

1 stop

8:40 am - 5:38 pm

LHR

PIT

13h 58m

1 stop

$842JetBlue

Mon, Sep 7 - Thu, Sep 10

7:20 pm - 8:30 am

PIT

LHR

32h 10m

1 stop

9:20 am - 8:00 pm

LHR

PIT

15h 40m

1 stop

$843Multiple Airlines

Mon, Dec 28 - Mon, Jan 11

8:25 pm - 8:20 pm

PIT

LHR

18h 55m

1 stop

1:05 pm - 7:15 pm

LHR

PIT

11h 10m

1 stop

$845Icelandair

Fri, Oct 9 - Sun, Oct 18

7:20 pm - 6:30 am

PIT

LHR

30h 10m

1 stop

9:20 am - 5:31 pm

LHR

PIT

13h 11m

1 stop

$846Multiple Airlines

Sat, Nov 7 - Fri, Nov 13

8:25 pm - 8:20 pm

PIT

LHR

18h 55m

1 stop

6:50 am - 8:37 pm

LHR

PIT

18h 47m

2 stops

$847Multiple Airlines

Fri, Sep 18 - Mon, Sep 21

10:15 pm - 9:40 am

PIT

LHR

7h 25mnonstop

7:25 am - 11:42 pm

LHR

PIT

21h 17m

1 stop

$848Multiple Airlines

Sat, Oct 31 - Mon, Nov 9

7:20 pm - 7:10 am

PIT

LHR

30h 50m

2 stops

7:25 am - 11:42 pm

LHR

PIT

21h 17m

1 stop

$849Multiple Airlines

Sat, Nov 7 - Fri, Nov 13

8:25 pm - 8:20 pm

PIT

LHR

18h 55m

1 stop

8:45 am - 8:37 pm

LHR

PIT

16h 52m

2 stops

$850Multiple Airlines

Wed, Sep 23 - Tue, Oct 6

10:15 pm - 9:40 am

PIT

LHR

7h 25mnonstop

9:20 am - 5:31 pm

LHR

PIT

13h 11m

1 stop

$853Multiple Airlines

Wed, Oct 28 - Fri, Nov 6

12:15 pm - 4:00 pm

PIT

LHR

22h 45m

2 stops

6:20 am - 2:48 pm

LHR

PIT

13h 28m

2 stops

$854Multiple Airlines

Tue, Sep 1 - Tue, Sep 8

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JetBlue flights from Pittsburgh to London Heathrow Airport

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

JetBlue

Sep 7

PIT6:45 amPittsburgh

18h 45m

1 stop

LHR6:30 amLondon Heathrow

Sep 10

LHR8:40 amLondon Heathrow

13h 58m

1 stop

PIT5:38 pmPittsburgh

$842

JetBlue

Aug 13

PIT6:00 amPittsburgh

9h 45m

1 stop

LHR8:45 pmLondon Heathrow

Sep 9

LHR8:40 amLondon Heathrow

13h 58m

1 stop

PIT5:38 pmPittsburgh

$883

JetBlue

Sep 8

PIT1:03 pmPittsburgh

12h 27m

1 stop

LHR6:30 amLondon Heathrow

Sep 16

LHR8:15 amLondon Heathrow

20h 29m

1 stop

PIT11:44 pmPittsburgh

$885

British Airways flights from Pittsburgh to London Heathrow Airport

Our best British Airways deals on Pittsburgh to London Heathrow Airport flight tickets

British Airways

Oct 14

PIT9:45 pmPittsburgh

7h 20m

LHR10:05 amLondon Heathrow

Oct 20

LHR4:40 pmLondon Heathrow

8h 10m

PIT7:50 pmPittsburgh

$862

British Airways

Dec 2

PIT9:15 pmPittsburgh

7h 25m

LHR9:40 amLondon Heathrow

Dec 16

LHR4:00 pmLondon Heathrow

8h 20m

PIT7:20 pmPittsburgh

$863

British Airways

Oct 14

PIT10:34 amPittsburgh

15h 16m

1 stop

LHR6:50 amLondon Heathrow

Oct 20

LHR4:40 pmLondon Heathrow

8h 10m

PIT7:50 pmPittsburgh

$875

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

Mon 9/7

6:45 am-6:30 am

1 stop18h 45m

London Heathrow

Thu 9/10

8:40 am-5:38 pm

1 stop13h 58m

$842

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Mon 12/28

7:20 pm-8:30 am

1 stop32h 10m

London Heathrow

Mon 1/11

9:20 am-8:00 pm

1 stop15h 40m

$843

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Fri 10/9

8:25 pm-8:20 pm

1 stop18h 55m

London Heathrow

Sun 10/18

1:05 pm-7:15 pm

1 stop11h 10m

$845

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Sat 11/7

7:20 pm-6:30 am

1 stop30h 10m

London Heathrow

Fri 11/13

9:20 am-5:31 pm

1 stop13h 11m

$846

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Fri 9/18

8:25 pm-8:20 pm

1 stop18h 55m

London Heathrow

Mon 9/21

6:50 am-8:37 pm

2 stops18h 47m

$847

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Sat 10/31

10:15 pm-9:40 am

Nonstop7h 25m

London Heathrow

Mon 11/9

7:25 am-11:42 pm

1 stop21h 17m

$848

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Sat 11/7

7:20 pm-7:10 am

2 stops30h 50m

London Heathrow

Fri 11/13

7:25 am-11:42 pm

1 stop21h 17m

$849

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Wed 9/23

8:25 pm-8:20 pm

1 stop18h 55m

London Heathrow

Tue 10/6

8:45 am-8:37 pm

2 stops16h 52m

$850

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

$853

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Tue 9/1

12:15 pm-4:00 pm

2 stops22h 45m

London Heathrow

Tue 9/8

6:20 am-2:48 pm

2 stops13h 28m

$854

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 February is, on average, the cheapest month to fly to London Heathrow Airport from Pittsburgh, with most prices found around $690. If you’re not able to fly to London Heathrow Airport in February, then October is your next best option. Flight prices from Pittsburgh to London Heathrow Airport during October average around $711.

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 $891. The most expensive day to fly to London Heathrow Airport is Saturday, with ticket prices averaging around $1,174.

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 $939 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 $782 on momondo.

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

There are 3 cabin classes available to choose from on Pittsburgh to London Heathrow Airport 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 44% 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 July 2026, prices for Pittsburgh to London Heathrow Airport flights are approximately 71% 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	$394
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 $394. The best round-trip flight deal from Pittsburgh to London Heathrow Airport found on momondo in the last 72 hours is $1,016.

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 9 operators available for flights from Pittsburgh Airport to London Heathrow Airport as of July 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 (65.79% of total bookings). The next most popular plane models are Boeing 787-9 Dreamliner (24.20%), Boeing 787-10 Dreamliner (7.87%), and Boeing 787 Dreamliner (0.87%).
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 8%, and Lufthansa 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
JetBlue	PriceFrom $295	Free Cancellation	Rating 7.1 3,012 reviews	Search JetBlue flights
Icelandair	PriceFrom $499	Free Cancellation	Rating 7.0 702 reviews	Search Icelandair flights
British Airways	PriceFrom $560	Free Cancellation	Rating 6.7 8,106 reviews	Search British Airways flights
United Airlines	PriceFrom $583	Free Cancellation	Rating 7.4 9,965 reviews	Search United Airlines flights
Iberia	PriceFrom $588	Free Cancellation	Rating 7.0 3,251 reviews	Search Iberia flights
Air Canada	PriceFrom $647	Free Cancellation	Rating 7.1 11,323 reviews	Search Air Canada flights
American Airlines	PriceFrom $651	Free Cancellation	Rating 7.1 11,798 reviews	Search American Airlines flights
Lufthansa	PriceFrom $687	Free Cancellation	Rating 6.8 8,128 reviews	Search Lufthansa flights
Finnair	PriceFrom $689	Free Cancellation	Rating 7.6 1,418 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. 1,418 users have rated Finnair on momondo, with an average score of 7.6/10.
American Airlines Flights From Pittsburgh to London Heathrow Airport
$651 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 $1,044, however, with flight time and availability significantly affecting the price. American Airlines (7.1/10 from 11,798 user reviews) flies into London Heathrow Airport from Pittsburgh 7 times in an average week so prices can vary.

Hounslow

Gatwick

Milton Keynes

Luton

Hayes

Dover

Crawley

Wembley

Croydon

Stansted

Stratford-upon-Avon

Harrow

Slough

Watford

Brentwood

Ilford

Cobham

Folkestone

Guildford

Romford

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 $371

Flights to London Stansted Airportfrom $408

Flights to London City Airportfrom $585

Flights to London Luton Airportfrom $408

Flights to Glasgow Intl Airportfrom $418

Flights to Belfast Intl Airportfrom $658

Flights to London Southend Airportfrom $582

Flights to Belfast City Airportfrom $732

Cheap flights from Pittsburgh to London from $256

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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JetBlue flights from Pittsburgh to London Heathrow Airport

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

British Airways flights from Pittsburgh to London Heathrow Airport

Our best British Airways deals on Pittsburgh to London Heathrow Airport flight tickets

momondo Fare Finder

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?

What cabin class options are available on Pittsburgh to London Heathrow Airport 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

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?

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An easier way to manage your London Heathrow Airport trip

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London Heathrow Airport flight routes

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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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