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

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

Reykjavik (KEF) has the shortest average layover time for this route: 1h 32m.

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.

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

As of September 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 September 2026. The most frequent departure day is Mon, with 14% 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: 83% 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 66% 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 offers the lowest fares from Pittsburgh to London Heathrow Airport?

Flights via Reykjavik (KEF) offer the lowest average round-trip price of $771.

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 September 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.

$226 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

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12:15 pm - 9:40 pmPIT Pittsburgh-LHR London Heathrow

28h 25m2 stops Toronto Pearson Intl Kastrup Copenhagen

6:40 am - 8:37 pmLHR London Heathrow-PIT Pittsburgh

18h 57m2 stops Kastrup Copenhagen Toronto Pearson Intl

$741Multiple Airlines

Thu, Oct 15 - Thu, Oct 22

12:15 pm - 7:55 pmPIT Pittsburgh-LHR London Heathrow

26h 40m3 stops Toronto Pearson Intl Kastrup Copenhagen Stockholm Arlanda

6:40 am - 8:37 pmLHR London Heathrow-PIT Pittsburgh

18h 57m2 stops Kastrup Copenhagen Toronto Pearson Intl

$748Multiple Airlines

Thu, Oct 15 - Thu, Oct 22

8:25 pm - 11:55 amPIT Pittsburgh-LHR London Heathrow

10h 30m1 stop Reykjavik Keflavik Intl

9:25 pm - 7:15 pmLHR London Heathrow-PIT Pittsburgh

26h 50m1 stop Reykjavik Keflavik Intl

$752Icelandair

Sun, Sep 27 - Tue, Oct 6

7:20 pm - 8:30 amPIT Pittsburgh-LHR London Heathrow

32h 10m1 stop Toronto Pearson Intl

6:50 am - 7:04 pmLHR London Heathrow-PIT Pittsburgh

17h 14m2 stops Brussels Bruxelles-National Newark

$756United Airlines

Mon, Jan 11 - Thu, Jan 14

1:15 pm - 1:00 pmPIT Pittsburgh-LHR London Heathrow

18h 45m2 stops Newark Munich Franz Josef Strauss

9:30 am - 7:04 pmLHR London Heathrow-PIT Pittsburgh

14h 34m2 stops Frankfurt am Main Newark

$774Lufthansa

Sun, Jan 24 - Tue, Jan 26

4:25 pm - 1:00 pmPIT Pittsburgh-LHR London Heathrow

15h 35m2 stops Newark Munich Franz Josef Strauss

9:30 am - 7:04 pmLHR London Heathrow-PIT Pittsburgh

14h 34m2 stops Frankfurt am Main Newark

$774Lufthansa

Mon, Jan 25 - Wed, Jan 27

7:20 pm - 7:10 amPIT Pittsburgh-LHR London Heathrow

30h 50m2 stops Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl

6:00 am - 6:36 pmLHR London Heathrow-PIT Pittsburgh

17h 36m2 stops Vienna Intl Toronto Pearson Intl

$776Air Canada

Mon, Jan 11 - Thu, Jan 14

8:25 pm - 8:20 pmPIT Pittsburgh-LHR London Heathrow

18h 55m1 stop Reykjavik Keflavik Intl

9:25 pm - 7:15 pmLHR London Heathrow-PIT Pittsburgh

26h 50m1 stop Reykjavik Keflavik Intl

$810Icelandair

Wed, Sep 30 - Tue, Oct 6

8:45 am - 7:10 amPIT Pittsburgh-LHR London Heathrow

17h 25m2 stops Chicago O'Hare Intl Montreal Pierre Elliott Trudeau Intl

6:00 am - 6:36 pmLHR London Heathrow-PIT Pittsburgh

17h 36m2 stops Zurich Toronto Pearson Intl

$866Air Canada

Wed, Dec 2 - Tue, Dec 8

6:10 am - 10:50 amPIT Pittsburgh-LHR London Heathrow

23h 40m1 stop Washington, D.C. Dulles Intl

6:00 pm - 6:36 pmLHR London Heathrow-PIT Pittsburgh

29h 36m1 stop Toronto Pearson Intl

$877United Airlines

Tue, Dec 8 - Thu, Dec 10

Cheap last minute flights

Enter your travel dates to find the best prices.

6:00 am - 8:45 pmPIT Pittsburgh-LHR London Heathrow

9h 45m1 stop New York John F Kennedy Intl

11:55 am - 11:44 pmLHR London Heathrow-PIT Pittsburgh

16h 49m1 stop New York John F Kennedy Intl

$851JetBlue

Wed, Sep 9 - Wed, Sep 16

6:30 am - 8:45 pmPIT Pittsburgh-LHR London Heathrow

9h 15m1 stop New York John F Kennedy Intl

8:15 am - 11:44 pmLHR London Heathrow-PIT Pittsburgh

20h 29m1 stop New York John F Kennedy Intl

$851JetBlue

Mon, Sep 7 - Wed, Sep 9

11:21 am - 8:05 amPIT Pittsburgh-LHR London Heathrow

15h 44m1 stop Chicago O'Hare Intl

7:50 am - 6:16 pmLHR London Heathrow-PIT Pittsburgh

15h 26m2 stops Madrid Barajas New York John F Kennedy Intl

$858Iberia

Mon, Sep 7 - Wed, Sep 16

2:25 pm - 6:45 amPIT Pittsburgh-LHR London Heathrow

11h 20m1 stop Boston Logan Intl

7:45 pm - 4:28 pmLHR London Heathrow-PIT Pittsburgh

25h 43m2 stops Paris Charles de Gaulle New York John F Kennedy Intl

$859Virgin Atlantic

Mon, Sep 7 - Mon, Sep 14

12:49 pm - 7:20 amPIT Pittsburgh-LHR London Heathrow

13h 31m1 stop New York John F Kennedy Intl

7:50 am - 6:16 pmLHR London Heathrow-PIT Pittsburgh

15h 26m2 stops Madrid Barajas New York John F Kennedy Intl

$864Iberia

Wed, Sep 9 - Wed, Sep 16

2:30 pm - 4:15 pmPIT Pittsburgh-LHR London Heathrow

20h 45m2 stops Atlanta Hartsfield-Jackson Amsterdam Schiphol

8:55 pm - 4:26 pmLHR London Heathrow-PIT Pittsburgh

24h 31m2 stops Amsterdam Schiphol Minneapolis St Paul

$864KLM

Mon, Sep 7 - Mon, Sep 14

7:25 pm - 12:10 pmPIT Pittsburgh-LHR London Heathrow

11h 45m1 stop Charlotte Douglas

4:40 pm - 7:55 pmLHR London Heathrow-PIT Pittsburgh

8h 15mnonstop

$885American Airlines

Mon, Sep 7 - Wed, Sep 16

9:50 pm - 10:05 amPIT Pittsburgh-LHR London Heathrow

7h 15mnonstop

4:40 pm - 7:55 pmLHR London Heathrow-PIT Pittsburgh

8h 15mnonstop

$885American Airlines

Mon, Sep 7 - Wed, Sep 16

11:50 am - 6:55 amPIT Pittsburgh-LHR London Heathrow

14h 05m1 stop Charlotte Douglas

4:40 pm - 7:55 pmLHR London Heathrow-PIT Pittsburgh

8h 15mnonstop

$945British Airways

Sat, Sep 5 - Fri, Sep 11

11:50 am - 6:55 amPIT Pittsburgh-LHR London Heathrow

14h 05m1 stop Charlotte Douglas

10:30 am - 6:16 pmLHR London Heathrow-PIT Pittsburgh

12h 46m1 stop New York John F Kennedy Intl

$955British Airways

Sat, Sep 5 - Fri, Sep 11

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United Airlines flights from Pittsburgh to London Heathrow Airport

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

United Airlines

Jan 11

PIT7:20 pmPittsburgh

32h 10m

1 stop

LHR8:30 amLondon Heathrow

Jan 14

LHR6:50 amLondon Heathrow

17h 14m

2 stops

PIT7:04 pmPittsburgh

$756

United Airlines

Jan 11

PIT8:55 amPittsburgh

17h 15m

2 stops

LHR7:10 amLondon Heathrow

Jan 14

LHR6:50 amLondon Heathrow

15h 54m

2 stops

PIT5:44 pmPittsburgh

$881

United Airlines

Dec 2

PIT2:00 pmPittsburgh

14h 10m

2 stops

LHR9:10 amLondon Heathrow

Dec 9

LHR9:30 amLondon Heathrow

14h 34m

2 stops

PIT7:04 pmPittsburgh

$883

JetBlue flights from Pittsburgh to London Heathrow Airport

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

JetBlue

Sep 7

PIT6:30 amPittsburgh

9h 15m

1 stop

LHR8:45 pmLondon Heathrow

Sep 9

LHR8:15 amLondon Heathrow

20h 29m

1 stop

PIT11:44 pmPittsburgh

$851

JetBlue

Nov 14

PIT8:50 pmPittsburgh

29h 05m

1 stop

LHR6:55 amLondon Heathrow

Nov 22

LHR9:20 amLondon Heathrow

32h 30m

1 stop

PIT12:50 pmPittsburgh

$856

JetBlue

Oct 22

PIT6:30 amPittsburgh

9h 15m

1 stop

LHR8:45 pmLondon Heathrow

Oct 31

LHR8:05 amLondon Heathrow

19h 36m

1 stop

PIT11:41 pmPittsburgh

$877

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 Pittsburgh - LHR London Heathrow

PITLHR

Pittsburgh

Thu 10/15

12:15 pm-9:40 pm

2 stops28h 25m

London Heathrow

Thu 10/22

6:40 am-8:37 pm

2 stops18h 57m

$741

PittsburghLondon

PIT Pittsburgh - LHR London Heathrow

PITLHR

Pittsburgh

Thu 10/15

12:15 pm-7:55 pm

3 stops26h 40m

London Heathrow

Thu 10/22

6:40 am-8:37 pm

2 stops18h 57m

$748

PittsburghLondon

PIT Pittsburgh - LHR London Heathrow

PITLHR

Pittsburgh

Sun 9/27

8:25 pm-11:55 am

1 stop10h 30m

London Heathrow

Tue 10/6

9:25 pm-7:15 pm

1 stop26h 50m

$752

PittsburghLondon

PIT Pittsburgh - LHR London Heathrow

PITLHR

Pittsburgh

Mon 1/11

7:20 pm-8:30 am

1 stop32h 10m

London Heathrow

Thu 1/14

6:50 am-7:04 pm

2 stops17h 14m

$756

PittsburghLondon

PIT Pittsburgh - LHR London Heathrow

PITLHR

Pittsburgh

Sun 1/24

1:15 pm-1:00 pm

2 stops18h 45m

London Heathrow

Tue 1/26

9:30 am-7:04 pm

2 stops14h 34m

$774

Quickest round-trip

PittsburghLondon

PIT Pittsburgh - LHR London Heathrow

PITLHR

Pittsburgh

Mon 1/25

4:25 pm-1:00 pm

2 stops15h 35m

London Heathrow

Wed 1/27

9:30 am-7:04 pm

2 stops14h 34m

$774

PittsburghLondon

PIT Pittsburgh - LHR London Heathrow

PITLHR

Pittsburgh

Mon 1/11

7:20 pm-7:10 am

2 stops30h 50m

London Heathrow

Thu 1/14

6:00 am-6:36 pm

2 stops17h 36m

$776

PittsburghLondon

PIT Pittsburgh - LHR London Heathrow

PITLHR

Pittsburgh

Wed 9/30

8:25 pm-8:20 pm

1 stop18h 55m

London Heathrow

Tue 10/6

9:25 pm-7:15 pm

1 stop26h 50m

$810

PittsburghLondon

PIT Pittsburgh - LHR London Heathrow

PITLHR

Pittsburgh

Wed 12/2

8:45 am-7:10 am

2 stops17h 25m

London Heathrow

Tue 12/8

6:00 am-6:36 pm

2 stops17h 36m

$866

PittsburghLondon

PIT Pittsburgh - LHR London Heathrow

PITLHR

Pittsburgh

Tue 12/8

6:10 am-10:50 am

1 stop23h 40m

London Heathrow

Thu 12/10

6:00 pm-6:36 pm

1 stop29h 36m

$877

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?

Prices are currently typical for flights on this route.

Typical prices usually range from $684 to $1,000.
The lowest price recently found on this route was $741.

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 $708. If you’re not able to fly to London Heathrow Airport in February, then January is your next best option. Flight prices from Pittsburgh to London Heathrow Airport during January average around $739.

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 $949. The most expensive day to fly to London Heathrow Airport is Saturday, with ticket prices averaging around $1,213.

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 $994 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 $788 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.

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

As of September 2026, prices for Pittsburgh to London Heathrow Airport flights are approximately 7% 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	$226
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 $226. The best round-trip flight deal from Pittsburgh to London Heathrow Airport found on momondo in the last 72 hours is $741.

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 September 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 (79.28% of total bookings). The next most popular plane models are Boeing 787-9 Dreamliner (11.89%), Boeing 787-10 Dreamliner (6.01%), and Boeing 787 Dreamliner (1.15%).
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 57% of the total bookings. Other popular airlines include American Airlines with 16%, JetBlue with 9%, and Lufthansa 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
Icelandair	PriceFrom $522	Free Cancellation	Rating 6.9 740 reviews	Search Icelandair flights
United Airlines	PriceFrom $583	Free Cancellation	Rating 7.4 10,166 reviews	Search United Airlines flights
Iberia	PriceFrom $588	Free Cancellation	Rating 7.0 3,248 reviews	Search Iberia flights
British Airways	PriceFrom $636	Free Cancellation	Rating 6.7 8,202 reviews	Search British Airways flights
JetBlue	PriceFrom $640	Free Cancellation	Rating 7.1 3,043 reviews	Search JetBlue flights
Air Canada	PriceFrom $647	Free Cancellation	Rating 7.1 11,579 reviews	Search Air Canada flights
American Airlines	PriceFrom $676	Free Cancellation	Rating 7.1 12,042 reviews	Search American Airlines flights
Lufthansa	PriceFrom $687	Free Cancellation	Rating 6.8 8,225 reviews	Search Lufthansa flights
Finnair	PriceFrom $689	Free Cancellation	Rating 7.6 1,429 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 $1,004, with the best Finnair deals starting from $689 round-trip. 1,429 users have rated Finnair on momondo, with an average score of 7.6/10.
American Airlines Flights From Pittsburgh to London Heathrow Airport
$676 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 $1,192, however, with flight time and availability significantly affecting the price. American Airlines (7.1/10 from 12,042 user reviews) flies into London Heathrow Airport from Pittsburgh 7 times in an average week so prices can vary.

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Stratford-upon-Avon

Hayes

Wembley

Luton

Croydon

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Richmond

Stansted

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Harrow

Cobham

Watford

Slough

Eastbourne

Worthing

Hook

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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Popular cities in the United Kingdom

Flights to London Gatwick Airportfrom $401

Flights to London Stansted Airportfrom $537

Flights to London City Airportfrom $593

Flights to London Luton Airportfrom $521

Flights to Glasgow Intl Airportfrom $556

Flights to Belfast Intl Airportfrom $601

Flights to London Southend Airportfrom $635

Flights to Belfast City Airportfrom $639

Cheap flights from Pittsburgh to London from $226

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 9/27. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from Pittsburgh to London

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United Airlines flights from Pittsburgh to London Heathrow Airport

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

JetBlue flights from Pittsburgh to London Heathrow Airport

Our best JetBlue 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?

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

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

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

Popular flights according to clicks in the last 7 days on momondo

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According to popular flight searches on momondo this year

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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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According to popular flight searches on momondo this year