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

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

Which layover airport offers the lowest fares from Pittsburgh to London Heathrow Airport?

Flights via Reykjavik (KEF) offer the lowest average round-trip price of $977.

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

Washington, D.C. (IAD) has the shortest average layover time for this route: 1h 28m.

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 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 travel time from Pittsburgh to London Heathrow Airport?

Flights connecting via Washington, D.C. (IAD) have the shortest average one-way travel time: 9h 31m.

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 20 per week as of June 2026. The most frequent departure day is Fri, with 30% of weekly flights leaving on this day.

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

As of June 2026, there are 2 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.

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

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

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 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.

$209 Cheap Flights from Pittsburgh to London Heathrow Airport in 2026

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

Prices are currently low for flights on this route. Typical prices usually range from $1,504 to $1,191. The lowest price recently found on this route was $944.

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Pittsburgh to London

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:11 pm - 8:05 am

PIT

LHR

10h 54m

1 stop

2:30 pm - 9:26 pm

LHR

PIT

11h 56m

1 stop

$944Delta

Sat, Oct 31 - Tue, Nov 10

9:45 pm - 10:05 am

PIT

LHR

7h 20mnonstop

4:40 pm - 7:50 pm

LHR

PIT

8h 10mnonstop

$945American Airlines

Fri, Oct 16 - Fri, Oct 23

8:36 am - 10:00 am

PIT

LHR

20h 24m

2 stops

11:05 am - 2:53 pm

LHR

PIT

32h 48m

2 stops

$946Air Canada

Sun, Aug 2 - Mon, Aug 24

6:00 am - 8:45 pm

PIT

LHR

9h 45m

1 stop

8:40 am - 7:48 pm

LHR

PIT

16h 08m

1 stop

$947JetBlue

Tue, Jul 7 - Tue, Jul 14

6:25 am - 8:45 pm

PIT

LHR

9h 20m

1 stop

8:40 am - 10:28 pm

LHR

PIT

18h 48m

1 stop

$948JetBlue

Tue, Jul 28 - Fri, Aug 7

1:00 pm - 8:10 pm

PIT

LHR

26h 10m

1 stop

10:10 am - 7:09 pm

LHR

PIT

12h 59m

1 stop

$949Delta

Sat, Oct 10 - Mon, Oct 26

9:50 pm - 10:05 am

PIT

LHR

7h 15mnonstop

4:40 pm - 7:55 pm

LHR

PIT

8h 15mnonstop

$950British Airways

Tue, Sep 1 - Thu, Sep 10

9:50 pm - 10:05 am

PIT

LHR

7h 15mnonstop

4:40 pm - 7:55 pm

LHR

PIT

8h 15mnonstop

$951British Airways

Sun, Jul 19 - Tue, Sep 1

6:00 am - 8:45 pm

PIT

LHR

9h 45m

1 stop

8:40 am - 8:01 pm

LHR

PIT

16h 21m

1 stop

$952JetBlue

Thu, Aug 13 - Thu, Sep 10

9:50 pm - 10:05 am

PIT

LHR

7h 15mnonstop

10:15 am - 6:16 pm

LHR

PIT

13h 01m

1 stop

$953British Airways

Tue, Sep 1 - Fri, Sep 25

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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

Jul 1

PIT8:25 pmPittsburgh

10h 30m

1 stop

LHR11:55 amLondon Heathrow

Aug 22

LHR9:25 pmLondon Heathrow

26h 50m

1 stop

PIT7:15 pmPittsburgh

$981

Icelandair

Jul 13

PIT9:00 amPittsburgh

21h 55m

2 stops

LHR11:55 amLondon Heathrow

Aug 17

LHR1:05 pmLondon Heathrow

11h 10m

1 stop

PIT7:15 pmPittsburgh

$982

Icelandair

Jul 15

PIT8:25 pmPittsburgh

10h 30m

1 stop

LHR11:55 amLondon Heathrow

Jul 22

LHR1:05 pmLondon Heathrow

11h 10m

1 stop

PIT7:15 pmPittsburgh

$991

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 1

PIT9:50 pmPittsburgh

7h 15m

LHR10:05 amLondon Heathrow

Sep 10

LHR4:40 pmLondon Heathrow

8h 15m

PIT7:55 pmPittsburgh

$950

British Airways

Jul 19

PIT9:50 pmPittsburgh

7h 15m

LHR10:05 amLondon Heathrow

Sep 1

LHR4:40 pmLondon Heathrow

8h 15m

PIT7:55 pmPittsburgh

$951

British Airways

Sep 1

PIT9:50 pmPittsburgh

7h 15m

LHR10:05 amLondon Heathrow

Sep 25

LHR10:15 amLondon Heathrow

13h 01m

1 stop

PIT6:16 pmPittsburgh

$953

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 10/31

5:11 pm-8:05 am

1 stop10h 54m

London Heathrow

Tue 11/10

2:30 pm-9:26 pm

1 stop11h 56m

$944

Quickest round-trip

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Fri 10/16

9:45 pm-10:05 am

Nonstop7h 20m

London Heathrow

Fri 10/23

4:40 pm-7:50 pm

Nonstop8h 10m

$945

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Sun 8/2

8:36 am-10:00 am

2 stops20h 24m

London Heathrow

Mon 8/24

11:05 am-2:53 pm

2 stops32h 48m

$946

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Tue 7/7

6:00 am-8:45 pm

1 stop9h 45m

London Heathrow

Tue 7/14

8:40 am-7:48 pm

1 stop16h 08m

$947

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Tue 7/28

6:25 am-8:45 pm

1 stop9h 20m

London Heathrow

Fri 8/7

8:40 am-10:28 pm

1 stop18h 48m

$948

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Sat 10/10

1:00 pm-8:10 pm

1 stop26h 10m

London Heathrow

Mon 10/26

10:10 am-7:09 pm

1 stop12h 59m

$949

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Tue 9/1

9:50 pm-10:05 am

Nonstop7h 15m

London Heathrow

Thu 9/10

4:40 pm-7:55 pm

Nonstop8h 15m

$950

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Sun 7/19

9:50 pm-10:05 am

Nonstop7h 15m

London Heathrow

Tue 9/1

4:40 pm-7:55 pm

Nonstop8h 15m

$951

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Thu 8/13

6:00 am-8:45 pm

1 stop9h 45m

London Heathrow

Thu 9/10

8:40 am-8:01 pm

1 stop16h 21m

$952

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Tue 9/1

9:50 pm-10:05 am

Nonstop7h 15m

London Heathrow

Fri 9/25

10:15 am-6:16 pm

1 stop13h 01m

$953

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 $862. The most expensive day to fly to London Heathrow Airport is Saturday, with ticket prices averaging around $1,164.

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 $924 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 $714 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?

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

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

As of June 2026, prices for Pittsburgh to London Heathrow Airport flights are approximately 14% more expensive when compared to flights at the same time last year.

When to book flights from Pittsburgh to London Heathrow Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Pittsburgh to London Heathrow Airport according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Pittsburgh to London Heathrow Airport (PIT to LHR) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Pittsburgh to London Heathrow Airport

Best Price Found	$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 $1,099.

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 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 (65.03% of total bookings). The next most popular plane models are Boeing 787-9 Dreamliner (25.41%), Boeing 787-10 Dreamliner (7.06%), and Boeing 787 Dreamliner (0.78%).
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 61% of the total bookings. Other popular airlines include American Airlines with 17%, JetBlue with 7%, 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 2,980 reviews	Search JetBlue flights
Icelandair	PriceFrom $499	Free Cancellation	Rating 7.0 674 reviews	Search Icelandair flights
British Airways	PriceFrom $561	Free Cancellation	Rating 6.7 8,049 reviews	Search British Airways flights
United Airlines	PriceFrom $583	Free Cancellation	Rating 7.4 9,818 reviews	Search United Airlines flights
Iberia	PriceFrom $588	Free Cancellation	Rating 7.0 3,234 reviews	Search Iberia flights
Air Canada	PriceFrom $647	Free Cancellation	Rating 7.1 11,173 reviews	Search Air Canada flights
American Airlines	PriceFrom $651	Free Cancellation	Rating 7.1 11,648 reviews	Search American Airlines flights
Lufthansa	PriceFrom $687	Free Cancellation	Rating 6.8 8,057 reviews	Search Lufthansa flights
Finnair	PriceFrom $689	Free Cancellation	Rating 7.7 1,408 reviews	Search Finnair flights

Finnair Flights From Pittsburgh to London Heathrow Airport
Across 2 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. 1,408 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 $1,004, however, with flight time and availability significantly affecting the price. American Airlines (7.1/10 from 11,648 user reviews) flies into London Heathrow Airport from Pittsburgh 5 times in an average week so prices can vary.

Hounslow

Gatwick

Milton Keynes

Luton

Dover

Hayes

Crawley

Croydon

Wembley

Stansted

Stratford-upon-Avon

Harrow

Slough

Brentwood

Watford

Cobham

Guildford

Folkestone

Uxbridge

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 $379

Flights to London Stansted Airportfrom $485

Flights to London City Airportfrom $610

Flights to London Luton Airportfrom $442

Flights to Glasgow Intl Airportfrom $518

Flights to London Southend Airportfrom $649

Flights to Belfast Intl Airportfrom $691

Flights to Belfast City Airportfrom $711

Cheap flights from Pittsburgh to London from $209

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 7/27. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Icelandair flights from Pittsburgh to London Heathrow Airport

Our best Icelandair 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?

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

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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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