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.

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.

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 37 per week as of August 2026. The most frequent departure day is Mon, with 16% 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 is the cheapest airline that flies from Pittsburgh to London Heathrow?

Delta, United Airlines, and JetBlue are the most popular carriers 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 30m.

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.

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

As of August 2026, there are 5 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 August 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.

$254 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.

3:15 pm - 9:10 amPIT Pittsburgh-LHR London Heathrow

12h 55m2 stops Washington, D.C. Dulles Intl Newark

6:50 am - 4:55 pmLHR London Heathrow-PIT Pittsburgh

15h 05m2 stops Brussels Bruxelles-National Chicago O'Hare Intl

$741United Airlines

Mon, Nov 2 - Wed, Nov 4

7:20 pm - 6:30 amPIT Pittsburgh-LHR London Heathrow

30h 10m1 stop Toronto Pearson Intl

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

17h 36m2 stops Zurich Toronto Pearson Intl

$743Air Canada

Sat, Nov 7 - Tue, Nov 10

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

18h 55m1 stop Reykjavik Keflavik Intl

1:05 pm - 7:15 pmLHR London Heathrow-PIT Pittsburgh

11h 10m1 stop Reykjavik Keflavik Intl

$743Icelandair

Wed, Sep 23 - Fri, Oct 2

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

10h 30m1 stop Reykjavik Keflavik Intl

1:05 pm - 7:15 pmLHR London Heathrow-PIT Pittsburgh

11h 10m1 stop Reykjavik Keflavik Intl

$743Icelandair

Sun, Sep 27 - Sun, Oct 4

7:20 pm - 6:30 amPIT Pittsburgh-LHR London Heathrow

30h 10m1 stop Toronto Pearson Intl

6:00 am - 8:49 pmLHR London Heathrow-PIT Pittsburgh

19h 49m2 stops Zurich Chicago O'Hare Intl

$745Multiple Airlines

Sat, Nov 7 - Tue, Nov 10

8:25 pm - 6:30 pmPIT Pittsburgh-LHR London Heathrow

17h 05m2 stops Reykjavik Keflavik Intl Kastrup Copenhagen

5:00 pm - 7:15 pmLHR London Heathrow-PIT Pittsburgh

31h 15m2 stops Kastrup Copenhagen Reykjavik Keflavik Intl

$749Multiple Airlines

Sun, Sep 6 - Tue, Sep 15

7:00 am - 9:20 pmPIT Pittsburgh-LHR London Heathrow

9h 20m1 stop Newark

9:30 am - 8:47 pmLHR London Heathrow-PIT Pittsburgh

16h 17m2 stops Frankfurt am Main Newark

$749United Airlines

Tue, Nov 3 - Wed, Nov 4

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

9h 45m1 stop New York John F Kennedy Intl

9:20 am - 5:31 pmLHR London Heathrow-PIT Pittsburgh

12h 11m1 stop Boston Logan Intl

$787JetBlue

Mon, Oct 12 - Wed, Oct 28

9:30 am - 6:55 amPIT Pittsburgh-LHR London Heathrow

16h 25m1 stop Boston Logan Intl

9:20 am - 5:31 pmLHR London Heathrow-PIT Pittsburgh

13h 11m1 stop Boston Logan Intl

$804JetBlue

Fri, Nov 6 - Wed, Nov 11

8:49 am - 7:10 amPIT Pittsburgh-LHR London Heathrow

17h 21m2 stops Chicago O'Hare Intl Montreal Pierre Elliott Trudeau Intl

1:00 pm - 3:21 pmLHR London Heathrow-PIT Pittsburgh

31h 21m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl

$878Air Canada

Tue, Nov 3 - Tue, Nov 10

Cheap last minute flights

Enter your travel dates to find the best prices.

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

18h 55m1 stop Reykjavik Keflavik Intl

1:05 pm - 7:15 pmLHR London Heathrow-PIT Pittsburgh

11h 10m1 stop Reykjavik Keflavik Intl

$883Icelandair

Mon, Aug 10 - Wed, Sep 9

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

$885Icelandair

Mon, Aug 10 - Tue, Sep 15

6:00 am - 9:30 amPIT Pittsburgh-LHR London Heathrow

22h 30m1 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

$893JetBlue

Sun, Aug 9 - Fri, Sep 11

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

$893JetBlue

Fri, Aug 7 - Fri, Sep 11

8:40 am - 6:30 amPIT Pittsburgh-LHR London Heathrow

16h 50m1 stop Boston Logan Intl

8:05 pm - 2:48 pmLHR London Heathrow-PIT Pittsburgh

47h 43m2 stops Zurich Montreal Pierre Elliott Trudeau Intl

$992Multiple Airlines

Sun, Aug 9 - Sun, Sep 20

7:10 am - 11:55 amPIT Pittsburgh-LHR London Heathrow

23h 45m2 stops Boston Logan Intl Reykjavik Keflavik Intl

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

26h 50m1 stop Reykjavik Keflavik Intl

$1,033Multiple Airlines

Tue, Aug 11 - Thu, Aug 20

3:35 pm - 10:00 amPIT Pittsburgh-LHR London Heathrow

13h 25m1 stop Montreal Pierre Elliott Trudeau Intl

5:55 pm - 2:48 pmLHR London Heathrow-PIT Pittsburgh

25h 53m2 stops Brussels Bruxelles-National Montreal Pierre Elliott Trudeau Intl

$1,051Air Canada

Tue, Aug 11 - Thu, Sep 10

3:35 pm - 10:00 amPIT Pittsburgh-LHR London Heathrow

13h 25m1 stop Montreal Pierre Elliott Trudeau Intl

5:55 pm - 2:48 pmLHR London Heathrow-PIT Pittsburgh

25h 53m2 stops Brussels Bruxelles-National Montreal Pierre Elliott Trudeau Intl

$1,051Air Canada

Tue, Aug 11 - Wed, Sep 9

7:59 pm - 5:05 pmPIT Pittsburgh-LHR London Heathrow

16h 06m2 stops Washington, D.C. Dulles Intl Munich Franz Josef Strauss

9:30 am - 8:38 pmLHR London Heathrow-PIT Pittsburgh

16h 08m2 stops Ottawa Toronto Pearson Intl

$1,054Lufthansa

Tue, Aug 11 - Thu, Aug 20

7:59 pm - 5:05 pmPIT Pittsburgh-LHR London Heathrow

16h 06m2 stops Washington, D.C. Dulles Intl Munich Franz Josef Strauss

9:00 am - 11:30 pmLHR London Heathrow-PIT Pittsburgh

19h 30m2 stops Munich Franz Josef Strauss Washington, D.C. Dulles Intl

$1,142Lufthansa

Fri, Aug 7 - Tue, Aug 18

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Icelandair flights from Pittsburgh to London Heathrow Airport

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

Icelandair

Sep 23

PIT8:25 pmPittsburgh

18h 55m

1 stop

LHR8:20 pmLondon Heathrow

Oct 2

LHR1:05 pmLondon Heathrow

11h 10m

1 stop

PIT7:15 pmPittsburgh

$743

Icelandair

Sep 23

PIT8:25 pmPittsburgh

18h 55m

1 stop

LHR8:20 pmLondon Heathrow

Oct 1

LHR9:25 pmLondon Heathrow

26h 50m

1 stop

PIT7:15 pmPittsburgh

$744

Icelandair

Sep 6

PIT8:25 pmPittsburgh

10h 30m

1 stop

LHR11:55 amLondon Heathrow

Sep 23

LHR1:05 pmLondon Heathrow

11h 10m

1 stop

PIT7:15 pmPittsburgh

$747

JetBlue flights from Pittsburgh to London Heathrow Airport

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

JetBlue

Oct 12

PIT6:00 amPittsburgh

9h 45m

1 stop

LHR8:45 pmLondon Heathrow

Oct 28

LHR9:20 amLondon Heathrow

12h 11m

1 stop

PIT5:31 pmPittsburgh

$787

JetBlue

Sep 28

PIT6:00 amPittsburgh

9h 45m

1 stop

LHR8:45 pmLondon Heathrow

Oct 7

LHR8:40 amLondon Heathrow

13h 53m

1 stop

PIT5:33 pmPittsburgh

$804

JetBlue

Aug 22

PIT6:00 amPittsburgh

9h 45m

1 stop

LHR8:45 pmLondon Heathrow

Sep 2

LHR8:15 amLondon Heathrow

20h 37m

1 stop

PIT11:52 pmPittsburgh

$807

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

Mon 11/2

3:15 pm-9:10 am

2 stops12h 55m

London Heathrow

Wed 11/4

6:50 am-4:55 pm

2 stops15h 05m

$741

PittsburghLondon

PIT Pittsburgh - LHR London Heathrow

PITLHR

Pittsburgh

Sat 11/7

7:20 pm-6:30 am

1 stop30h 10m

London Heathrow

Tue 11/10

6:00 am-6:36 pm

2 stops17h 36m

$743

PittsburghLondon

PIT Pittsburgh - LHR London Heathrow

PITLHR

Pittsburgh

Wed 9/23

8:25 pm-8:20 pm

1 stop18h 55m

London Heathrow

Fri 10/2

1:05 pm-7:15 pm

1 stop11h 10m

$743

Quickest round-trip

PittsburghLondon

PIT Pittsburgh - LHR London Heathrow

PITLHR

Pittsburgh

Sun 9/27

8:25 pm-11:55 am

1 stop10h 30m

London Heathrow

Sun 10/4

1:05 pm-7:15 pm

1 stop11h 10m

$743

PittsburghLondon

PIT Pittsburgh - LHR London Heathrow

PITLHR

Pittsburgh

Sat 11/7

7:20 pm-6:30 am

1 stop30h 10m

London Heathrow

Tue 11/10

6:00 am-8:49 pm

2 stops19h 49m

$745

PittsburghLondon

PIT Pittsburgh - LHR London Heathrow

PITLHR

Pittsburgh

Sun 9/6

8:25 pm-6:30 pm

2 stops17h 05m

London Heathrow

Tue 9/15

5:00 pm-7:15 pm

2 stops31h 15m

$749

PittsburghLondon

PIT Pittsburgh - LHR London Heathrow

PITLHR

Pittsburgh

Tue 11/3

7:00 am-9:20 pm

1 stop9h 20m

London Heathrow

Wed 11/4

9:30 am-8:47 pm

2 stops16h 17m

$749

PittsburghLondon

PIT Pittsburgh - LHR London Heathrow

PITLHR

Pittsburgh

Mon 10/12

6:00 am-8:45 pm

1 stop9h 45m

London Heathrow

Wed 10/28

9:20 am-5:31 pm

1 stop12h 11m

$787

PittsburghLondon

PIT Pittsburgh - LHR London Heathrow

PITLHR

Pittsburgh

Fri 11/6

9:30 am-6:55 am

1 stop16h 25m

London Heathrow

Wed 11/11

9:20 am-5:31 pm

1 stop13h 11m

$804

PittsburghLondon

PIT Pittsburgh - LHR London Heathrow

PITLHR

Pittsburgh

Tue 11/3

8:49 am-7:10 am

2 stops17h 21m

London Heathrow

Tue 11/10

1:00 pm-3:21 pm

2 stops31h 21m

$878

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 low for flights on this route.

Typical prices usually range from $778 to $1,008.
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 $690. 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 $924. The most expensive day to fly to London Heathrow Airport is Saturday, with ticket prices averaging around $1,185.

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 $952 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 $759 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 14% 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 August 2026, prices for Pittsburgh to London Heathrow Airport flights are approximately 16% 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	$463
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 $463. The best round-trip flight deal from Pittsburgh to London Heathrow Airport found on momondo in the last 72 hours is $987.

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 August 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 (71.72% of total bookings). The next most popular plane models are Boeing 787-9 Dreamliner (16.23%), Boeing 787-10 Dreamliner (8.71%), and Boeing 787 Dreamliner (1.43%).
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 58% of the total bookings. Other popular airlines include American Airlines with 17%, JetBlue with 8%, 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 7.0 721 reviews	Search Icelandair flights
British Airways	PriceFrom $578	Free Cancellation	Rating 6.7 8,148 reviews	Search British Airways flights
United Airlines	PriceFrom $583	Free Cancellation	Rating 7.4 10,075 reviews	Search United Airlines flights
Iberia	PriceFrom $588	Free Cancellation	Rating 7.0 3,264 reviews	Search Iberia flights
JetBlue	PriceFrom $640	Free Cancellation	Rating 7.1 3,024 reviews	Search JetBlue flights
Air Canada	PriceFrom $647	Free Cancellation	Rating 7.1 11,432 reviews	Search Air Canada flights
American Airlines	PriceFrom $651	Free Cancellation	Rating 7.1 11,869 reviews	Search American Airlines flights
Lufthansa	PriceFrom $687	Free Cancellation	Rating 6.8 8,177 reviews	Search Lufthansa flights
Finnair	PriceFrom $689	Free Cancellation	Rating 7.7 1,427 reviews	Search Finnair flights

Finnair Flights From Pittsburgh to London Heathrow Airport
Across 6 Finnair flights from Pittsburgh to London Heathrow Airport this week, the average price was $1,050, with the best Finnair deals starting from $689 round-trip. 1,427 users have rated Finnair on momondo, with an average score of 7.7/10.
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 $1,068, however, with flight time and availability significantly affecting the price. American Airlines (7.1/10 from 11,864 user reviews) flies into London Heathrow Airport from Pittsburgh 6 times in an average week so prices can vary.

Hounslow

Gatwick

Milton Keynes

Luton

Hayes

Wembley

Dover

Croydon

Stansted

Stratford-upon-Avon

Kingston upon Thames

Slough

Harrow

Watford

Cobham

Richmond

Uxbridge

Worthing

Romford

Ilford

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 $394

Flights to London Stansted Airportfrom $498

Flights to London City Airportfrom $649

Flights to London Luton Airportfrom $526

Flights to Glasgow Intl Airportfrom $544

Flights to Belfast Intl Airportfrom $639

Flights to London Southend Airportfrom $723

Flights to Belfast City Airportfrom $639

Cheap flights from Pittsburgh to London from $254

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 10/14. 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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Icelandair flights from Pittsburgh to London Heathrow Airport

Our best Icelandair 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

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

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

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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

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Airlines are sorted and displayed according to clicks in the past 7 days on momondo

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

Complete your trip to London

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According to popular flight searches on momondo this year