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?

British Airways, United Airlines, and Delta are the most popular carriers operating from Pittsburgh to London Heathrow

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

As of June 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 43 per week as of June 2026. The most frequent departure day is Fri, with 16% 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 30m.

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

Reykjavik (KEF) was the most common stop: 60% 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 Washington, D.C. (IAD) offer the lowest average round-trip price of $941.

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 69% 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 June 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.

$266 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

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Cheap round-trip flights

Enter your travel dates to find the best prices.

3:30 pm - 8:35 am

PIT

LHR

12h 05m

2 stops

9:30 am - 2:48 pm

LHR

PIT

10h 18m

1 stop

$935Air Canada

Sat, Sep 19 - Fri, Sep 25

9:50 pm - 10:05 am

PIT

LHR

7h 15mnonstop

9:15 am - 10:01 pm

LHR

PIT

17h 46m

1 stop

$936British Airways

Tue, Sep 29 - Sun, Oct 4

9:50 pm - 10:05 am

PIT

LHR

7h 15mnonstop

4:40 pm - 7:50 pm

LHR

PIT

8h 10mnonstop

$937British Airways

Tue, Sep 22 - Mon, Oct 12

9:45 pm - 10:05 am

PIT

LHR

7h 20mnonstop

11:45 am - 9:38 pm

LHR

PIT

13h 53m

1 stop

$938American Airlines

Mon, Oct 12 - Mon, Oct 26

9:50 pm - 10:05 am

PIT

LHR

7h 15mnonstop

4:40 pm - 7:50 pm

LHR

PIT

8h 10mnonstop

$939British Airways

Tue, Sep 22 - Mon, Oct 12

8:45 am - 6:30 am

PIT

LHR

16h 45m

2 stops

1:50 pm - 5:14 pm

LHR

PIT

32h 24m

2 stops

$940Multiple Airlines

Sun, Aug 23 - Mon, Sep 7

10:54 am - 10:00 am

PIT

LHR

18h 06m

2 stops

5:40 pm - 5:13 pm

LHR

PIT

28h 33m

2 stops

$941Air Canada

Tue, Jul 14 - Thu, Aug 13

12:15 pm - 10:00 am

PIT

LHR

16h 45m

2 stops

8:40 am - 8:38 pm

LHR

PIT

16h 58m

2 stops

$942Air Canada

Wed, Aug 19 - Wed, Aug 26

6:30 am - 9:20 pm

PIT

LHR

9h 50m

1 stop

9:30 am - 10:30 pm

LHR

PIT

18h 00m

1 stop

$943United Airlines

Sun, Sep 20 - Mon, Sep 21

6:00 am - 6:30 am

PIT

LHR

19h 30m

2 stops

5:40 pm - 5:13 pm

LHR

PIT

28h 33m

2 stops

$944Air Canada

Sat, Jul 11 - Wed, Aug 12

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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

Air Canada

Sep 19

PIT3:30 pmPittsburgh

12h 05m

2 stops

LHR8:35 amLondon Heathrow

Sep 25

LHR9:30 amLondon Heathrow

10h 18m

1 stop

PIT2:48 pmPittsburgh

$935

Air Canada

Aug 9

PIT3:35 pmPittsburgh

13h 25m

1 stop

LHR10:00 amLondon Heathrow

Aug 18

LHR5:50 pmLondon Heathrow

25h 58m

2 stops

PIT2:48 pmPittsburgh

$939

Air Canada

Jul 14

PIT10:54 amPittsburgh

18h 06m

2 stops

LHR10:00 amLondon Heathrow

Aug 13

LHR5:40 pmLondon Heathrow

28h 33m

2 stops

PIT5:13 pmPittsburgh

$941

British Airways flights from Pittsburgh to London Heathrow Airport

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

British Airways

Sep 29

PIT9:50 pmPittsburgh

7h 15m

LHR10:05 amLondon Heathrow

Oct 4

LHR9:15 amLondon Heathrow

17h 46m

1 stop

PIT10:01 pmPittsburgh

$936

British Airways

Sep 22

PIT9:50 pmPittsburgh

7h 15m

LHR10:05 amLondon Heathrow

Oct 12

LHR4:40 pmLondon Heathrow

8h 10m

PIT7:50 pmPittsburgh

$937

British Airways

Nov 5

PIT1:50 pmPittsburgh

12h 30m

1 stop

LHR7:20 amLondon Heathrow

Nov 9

LHR9:10 pmLondon Heathrow

26h 24m

2 stops

PIT6:34 pmPittsburgh

$943

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

Sat 9/19

3:30 pm-8:35 am

2 stops12h 05m

London Heathrow

Fri 9/25

9:30 am-2:48 pm

1 stop10h 18m

$935

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Tue 9/29

9:50 pm-10:05 am

Nonstop7h 15m

London Heathrow

Sun 10/4

9:15 am-10:01 pm

1 stop17h 46m

$936

Quickest round-trip

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Tue 9/22

9:50 pm-10:05 am

Nonstop7h 15m

London Heathrow

Mon 10/12

4:40 pm-7:50 pm

Nonstop8h 10m

$937

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Mon 10/12

9:45 pm-10:05 am

Nonstop7h 20m

London Heathrow

Mon 10/26

11:45 am-9:38 pm

1 stop13h 53m

$938

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Tue 9/22

9:50 pm-10:05 am

Nonstop7h 15m

London Heathrow

Mon 10/12

4:40 pm-7:50 pm

Nonstop8h 10m

$939

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Sun 8/23

8:45 am-6:30 am

2 stops16h 45m

London Heathrow

Mon 9/7

1:50 pm-5:14 pm

2 stops32h 24m

$940

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Tue 7/14

10:54 am-10:00 am

2 stops18h 06m

London Heathrow

Thu 8/13

5:40 pm-5:13 pm

2 stops28h 33m

$941

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Wed 8/19

12:15 pm-10:00 am

2 stops16h 45m

London Heathrow

Wed 8/26

8:40 am-8:38 pm

2 stops16h 58m

$942

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Sun 9/20

6:30 am-9:20 pm

1 stop9h 50m

London Heathrow

Mon 9/21

9:30 am-10:30 pm

1 stop18h 00m

$943

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Sat 7/11

6:00 am-6:30 am

2 stops19h 30m

London Heathrow

Wed 8/12

5:40 pm-5:13 pm

2 stops28h 33m

$944

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 $698.

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 $881. The most expensive day to fly to London Heathrow Airport is Saturday, with ticket prices averaging around $1,162.

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 $948 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 $747 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 23% 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 June 2026, prices for Pittsburgh to London Heathrow Airport flights are approximately 4% 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 $988.

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 8 operators available for flights from Pittsburgh Airport to London Heathrow Airport as of June 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 (65.19% of total bookings). The next most popular plane models are Boeing 787-9 Dreamliner (25.35%), Boeing 787-10 Dreamliner (7.42%), and Boeing 787 Dreamliner (0.80%).
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 62% of the total bookings. Other popular airlines include American Airlines with 16%, 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 3,001 reviews	Search JetBlue flights
Icelandair	PriceFrom $499	Free Cancellation	Rating 7.0 683 reviews	Search Icelandair flights
British Airways	PriceFrom $560	Free Cancellation	Rating 6.7 8,064 reviews	Search British Airways flights
United Airlines	PriceFrom $583	Free Cancellation	Rating 7.4 9,875 reviews	Search United Airlines flights
Air Canada	PriceFrom $647	Free Cancellation	Rating 7.1 11,244 reviews	Search Air Canada flights
American Airlines	PriceFrom $651	Free Cancellation	Rating 7.1 11,745 reviews	Search American Airlines flights
Lufthansa	PriceFrom $687	Free Cancellation	Rating 6.8 8,088 reviews	Search Lufthansa flights
Finnair	PriceFrom $689	Free Cancellation	Rating 7.6 1,415 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. 1,415 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 $1,022, however, with flight time and availability significantly affecting the price. American Airlines (7.1/10 from 11,745 user reviews) flies into London Heathrow Airport from Pittsburgh 8 times in an average week so prices can vary.

Hounslow

Gatwick

Milton Keynes

Luton

Hayes

Dover

Crawley

Croydon

Wembley

Stansted

Stratford-upon-Avon

Harrow

Slough

Watford

Cobham

Brentwood

Guildford

Ilford

Folkestone

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

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Flights to London Gatwick Airportfrom $377

Flights to London Stansted Airportfrom $499

Flights to London City Airportfrom $628

Flights to London Luton Airportfrom $495

Flights to Glasgow Intl Airportfrom $514

Flights to Belfast Intl Airportfrom $653

Flights to London Southend Airportfrom $653

Flights to Belfast City Airportfrom $640

Cheap flights from Pittsburgh to London from $266

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 8/2. 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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Air Canada flights from Pittsburgh to London Heathrow Airport

Our best Air Canada 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

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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?

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?

Why use momondo?

An easier way to manage your London Heathrow Airport trip

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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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