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Cheap flights from Pittsburgh to London from $289

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 4/17. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Find the cheapest flights from Pittsburgh to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
Scandinavian Airlines Logo
11:49 am - 9:20 am
PIT
-
LHR
40h 31m
2 stops
Scandinavian Airlines Logo
7:05 am - 9:27 pm
LHR
-
PIT
19h 22m
2 stops
$736Scandinavian Airlines
Mon, Aug 17 - Thu, Aug 20
Icelandair Logo
8:25 pm - 11:55 am
PIT
-
LHR
10h 30m
1 stop
Icelandair Logo
9:25 pm - 7:15 pm
LHR
-
PIT
26h 50m
1 stop
$767Icelandair
Wed, Sep 9 - Tue, Sep 22
Icelandair Logo
8:25 pm - 11:55 am
PIT
-
LHR
10h 30m
1 stop
Icelandair Logo
1:05 pm - 7:15 pm
LHR
-
PIT
11h 10m
1 stop
$780Icelandair
Wed, Aug 19 - Wed, Sep 2
Icelandair Logo
8:25 pm - 11:55 am
PIT
-
LHR
10h 30m
1 stop
Icelandair Logo
9:25 pm - 7:15 pm
LHR
-
PIT
26h 50m
1 stop
$785Icelandair
Sun, Aug 16 - Sun, Aug 23
Icelandair Logo
8:25 pm - 8:20 pm
PIT
-
LHR
18h 55m
1 stop
Icelandair Logo
9:25 pm - 7:15 pm
LHR
-
PIT
26h 50m
1 stop
$787Icelandair
Sun, Aug 2 - Sat, Aug 22
Icelandair Logo
8:25 pm - 8:20 pm
PIT
-
LHR
18h 55m
1 stop
Icelandair Logo
1:05 pm - 7:15 pm
LHR
-
PIT
11h 10m
1 stop
$788Icelandair
Wed, Sep 2 - Wed, Sep 16
Icelandair Logo
8:25 pm - 8:20 pm
PIT
-
LHR
18h 55m
1 stop
Icelandair Logo
1:05 pm - 7:15 pm
LHR
-
PIT
11h 10m
1 stop
$790Icelandair
Wed, Sep 9 - Wed, Sep 23
Icelandair Logo
8:25 pm - 11:55 am
PIT
-
LHR
10h 30m
1 stop
Icelandair Logo
9:25 pm - 7:15 pm
LHR
-
PIT
26h 50m
1 stop
$791Icelandair
Sun, Aug 2 - Sat, Aug 22
Icelandair Logo
8:25 pm - 11:55 am
PIT
-
LHR
10h 30m
1 stop
Icelandair Logo
1:05 pm - 7:15 pm
LHR
-
PIT
11h 10m
1 stop
$792Icelandair
Wed, Aug 19 - Wed, Aug 26
Icelandair Logo
8:25 pm - 11:55 am
PIT
-
LHR
10h 30m
1 stop
Icelandair Logo
1:05 pm - 7:15 pm
LHR
-
PIT
11h 10m
1 stop
$796Icelandair
Mon, Aug 17 - Wed, Aug 26

Scandinavian Airlines flights from Pittsburgh to London Heathrow Airport

Our best Scandinavian Airlines deals on Pittsburgh to London Heathrow Airport flight tickets
Scandinavian Airlines
Apr 13
PIT11:26 amPittsburgh
26h 24m
2 stops
LHR6:50 pmLondon Heathrow
Apr 19
LHR5:00 pmLondon Heathrow
34h 55m
2 stops
PIT10:55 pmPittsburgh
$800
Scandinavian Airlines
Apr 13
PIT11:26 amPittsburgh
23h 59m
2 stops
LHR4:25 pmLondon Heathrow
Apr 23
LHR6:40 amLondon Heathrow
19h 56m
2 stops
PIT9:36 pmPittsburgh
$804
Scandinavian Airlines
Apr 20
PIT7:13 amPittsburgh
21h 22m
2 stops
LHR9:35 amLondon Heathrow
Apr 30
LHR6:40 amLondon Heathrow
22h 55m
2 stops
PIT12:35 amPittsburgh
$807

British Airways flights from Pittsburgh to London Heathrow Airport

Our best British Airways deals on Pittsburgh to London Heathrow Airport flight tickets
British Airways
Apr 5
PIT9:45 pmPittsburgh
7h 20m
LHR10:05 amLondon Heathrow
Apr 14
LHR4:40 pmLondon Heathrow
8h 10m
PIT7:50 pmPittsburgh
$837
British Airways
Apr 14
PIT9:45 pmPittsburgh
7h 20m
LHR10:05 amLondon Heathrow
Apr 28
LHR4:40 pmLondon Heathrow
8h 10m
PIT7:50 pmPittsburgh
$849
British Airways
Apr 7
PIT9:45 pmPittsburgh
7h 20m
LHR10:05 amLondon Heathrow
Apr 14
LHR4:40 pmLondon Heathrow
8h 10m
PIT7:50 pmPittsburgh
$850

momondo Fare Finder

 
Customize your flight search to find flights from Pittsburgh to London Heathrow Airport that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated March 25, 2026.
Use the filters below to find and compare flights from Pittsburgh to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Mon 8/17

11:49 am-9:20 am

2 stops40h 31m

London Heathrow

Thu 8/20

7:05 am-9:27 pm

2 stops19h 22m

$736

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Wed 9/9

8:25 pm-11:55 am

1 stop10h 30m

London Heathrow

Tue 9/22

9:25 pm-7:15 pm

1 stop26h 50m

$767
Quickest round-trip

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Wed 8/19

8:25 pm-11:55 am

1 stop10h 30m

London Heathrow

Wed 9/2

1:05 pm-7:15 pm

1 stop11h 10m

$780

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Sun 8/16

8:25 pm-11:55 am

1 stop10h 30m

London Heathrow

Sun 8/23

9:25 pm-7:15 pm

1 stop26h 50m

$785

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Sun 8/2

8:25 pm-8:20 pm

1 stop18h 55m

London Heathrow

Sat 8/22

9:25 pm-7:15 pm

1 stop26h 50m

$787

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Wed 9/2

8:25 pm-8:20 pm

1 stop18h 55m

London Heathrow

Wed 9/16

1:05 pm-7:15 pm

1 stop11h 10m

$788

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Wed 9/9

8:25 pm-8:20 pm

1 stop18h 55m

London Heathrow

Wed 9/23

1:05 pm-7:15 pm

1 stop11h 10m

$790

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Sun 8/2

8:25 pm-11:55 am

1 stop10h 30m

London Heathrow

Sat 8/22

9:25 pm-7:15 pm

1 stop26h 50m

$791

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Wed 8/19

8:25 pm-11:55 am

1 stop10h 30m

London Heathrow

Wed 8/26

1:05 pm-7:15 pm

1 stop11h 10m

$792

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Mon 8/17

8:25 pm-11:55 am

1 stop10h 30m

London Heathrow

Wed 8/26

1:05 pm-7:15 pm

1 stop11h 10m

$796

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to London from

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

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 October is, on average, the cheapest month to fly to London Heathrow Airport from Pittsburgh, with most prices found around $682. If you’re not able to fly to London Heathrow Airport in October, then February is your next best option. Flight prices from Pittsburgh to London Heathrow Airport during February average around $690.

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 $820. The most expensive day to fly to London Heathrow Airport is Saturday, with ticket prices averaging around $1,074.

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 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 $866 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 $711 on momondo.

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

There are 3 cabin classes available to choose from on Pittsburgh to London Heathrow 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 March 2026, prices for Pittsburgh to London Heathrow Airport flights are approximately 27% 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

$486

Fastest flight time

7h 20m

Direct flights

Every day
The best one-way flight to London Heathrow Airport from Pittsburgh in the past 72 hours is $486. The best round-trip flight deal from Pittsburgh to London Heathrow Airport found on momondo in the last 72 hours is $842.
The fastest flight from Pittsburgh to London Heathrow Airport takes 7h 20m
Direct flights go from Pittsburgh to London Heathrow Airport every day.
Search flight deals

  • How far is Pittsburgh to London Heathrow by plane?

    London Heathrow is 3700.3 mi away from Pittsburgh. 7h 20m 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?

  • 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?

  • What is the most popular airline 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
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $219Free CancellationRating
7.9
8,327 reviews
Search Delta flights
JetBluePriceFrom $295Free CancellationRating
7.2
2,905 reviews
Search JetBlue flights
IcelandairPriceFrom $492Free CancellationRating
7.0
625 reviews
Search Icelandair flights
British AirwaysPriceFrom $574Free CancellationRating
6.7
7,819 reviews
Search British Airways flights
United AirlinesPriceFrom $583Free CancellationRating
7.4
9,477 reviews
Search United Airlines flights
IberiaPriceFrom $598Free CancellationRating
7.0
3,153 reviews
Search Iberia flights
American AirlinesPriceFrom $643Free CancellationRating
7.1
11,494 reviews
Search American Airlines flights
Air CanadaPriceFrom $647Free CancellationRating
7.1
10,838 reviews
Search Air Canada flights
LufthansaPriceFrom $687Free CancellationRating
6.8
7,867 reviews
Search Lufthansa flights
FinnairPriceFrom $689Free CancellationRating
7.7
1,374 reviews
Search Finnair flights

  • Finnair Flights From Pittsburgh to London Heathrow Airport

    Across 3 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. 1,374 users have rated Finnair on momondo, with an average score of 7.7/10.

  • American Airlines Flights From Pittsburgh to London Heathrow Airport

    $643 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 $948, however, with flight time and availability significantly affecting the price. American Airlines (7.1/10 from 11,494 user reviews) flies into London Heathrow Airport from Pittsburgh 3 times in an average week so prices can vary.

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Gatwick
Hounslow
Milton Keynes
Luton
Dover
Crawley
Slough
Stratford-upon-Avon
Wembley
Hayes
Croydon
Dartford
Brentwood
Guildford
Harrow
Cobham
Folkestone
Romford
Stansted
Watford

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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