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Cheap flights from Pittsburgh to London from $313

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 10/6. 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
0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Pittsburgh to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
JetBlue Logo
6:30 am - 6:30 am
PIT
-
LHR
19h 00m
1 stop
JetBlue Logo
11:55 am - 12:07 am
LHR
-
PIT
17h 12m
1 stop
$795JetBlue
ti., mai 5 - to., mai 14
JetBlue Logo
6:00 am - 8:45 pm
PIT
-
LHR
9h 45m
1 stop
JetBlue Logo
11:55 am - 12:07 am
LHR
-
PIT
17h 12m
1 stop
$798JetBlue
ma., mai 11 - to., mai 14
Scandinavian Airlines Logo
10:30 am - 9:20 am
PIT
-
LHR
17h 50m
2 stops
Scandinavian Airlines Logo
7:05 am - 9:26 pm
LHR
-
PIT
19h 21m
2 stops
$809Scandinavian Airlines
on., okt. 14 - to., okt. 22
Scandinavian Airlines Logo
11:49 am - 2:35 pm
PIT
-
LHR
21h 46m
2 stops
Scandinavian Airlines Logo
7:05 am - 9:26 pm
LHR
-
PIT
19h 21m
2 stops
$810Scandinavian Airlines
to., okt. 15 - to., okt. 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
$817Icelandair
on., aug. 26 - fr., sep. 4
Scandinavian Airlines Logo
4:25 pm - 4:00 pm
PIT
-
LHR
18h 35m
2 stops
Scandinavian Airlines Logo
6:40 am - 12:19 am
LHR
-
PIT
22h 39m
2 stops
$825Scandinavian Airlines
ma., sep. 28 - ti., okt. 13
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
$827Icelandair
on., sep. 30 - on., okt. 7
JetBlue Logo
10:00 am - 6:30 am
PIT
-
LHR
15h 30m
1 stop
JetBlue Logo
8:40 am - 9:52 pm
LHR
-
PIT
18h 12m
1 stop
$829JetBlue
ti., mai 12 - ti., mai 19
JetBlue Logo
6:00 am - 8:45 pm
PIT
-
LHR
9h 45m
1 stop
JetBlue Logo
8:40 am - 5:25 pm
LHR
-
PIT
13h 45m
1 stop
$832JetBlue
ti., mai 12 - ti., mai 26
Scandinavian Airlines Logo
11:49 am - 6:30 pm
PIT
-
LHR
25h 41m
2 stops
Scandinavian Airlines Logo
7:05 am - 9:26 pm
LHR
-
PIT
19h 21m
3 stops
$835Scandinavian Airlines
on., okt. 14 - to., okt. 22

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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
Aug 26
PIT8:25 pmPittsburgh
18h 55m
1 stop
LHR8:20 pmLondon Heathrow
Sep 4
LHR1:05 pmLondon Heathrow
11h 10m
1 stop
PIT7:15 pmPittsburgh
$817
Icelandair
Sep 30
PIT8:25 pmPittsburgh
10h 30m
1 stop
LHR11:55 amLondon Heathrow
Oct 7
LHR1:05 pmLondon Heathrow
11h 10m
1 stop
PIT7:15 pmPittsburgh
$827
Icelandair
Aug 19
PIT8:25 pmPittsburgh
10h 30m
1 stop
LHR11:55 amLondon Heathrow
Aug 26
LHR1:05 pmLondon Heathrow
11h 10m
1 stop
PIT7:15 pmPittsburgh
$837

Scandinavian Airlines flights from Pittsburgh to London Heathrow Airport

Our best Scandinavian Airlines deals on Pittsburgh to London Heathrow Airport flight tickets
Scandinavian Airlines
Oct 14
PIT10:30 amPittsburgh
17h 50m
2 stops
LHR9:20 amLondon Heathrow
Oct 22
LHR7:05 amLondon Heathrow
19h 21m
2 stops
PIT9:26 pmPittsburgh
$809
Scandinavian Airlines
Oct 15
PIT11:49 amPittsburgh
21h 46m
2 stops
LHR2:35 pmLondon Heathrow
Oct 22
LHR7:05 amLondon Heathrow
19h 21m
2 stops
PIT9:26 pmPittsburgh
$810
Scandinavian Airlines
Sep 28
PIT4:25 pmPittsburgh
18h 35m
2 stops
LHR4:00 pmLondon Heathrow
Oct 13
LHR6:40 amLondon Heathrow
22h 39m
2 stops
PIT12:19 amPittsburgh
$825

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 april 18, 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

ti. 5/5

6:30 am-6:30 am

1 stop19h 00m

London Heathrow

to. 5/14

11:55 am-12:07 am

1 stop17h 12m

$795

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

ma. 5/11

6:00 am-8:45 pm

1 stop9h 45m

London Heathrow

to. 5/14

11:55 am-12:07 am

1 stop17h 12m

$798

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

on. 10/14

10:30 am-9:20 am

2 stops17h 50m

London Heathrow

to. 10/22

7:05 am-9:26 pm

2 stops19h 21m

$809

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

to. 10/15

11:49 am-2:35 pm

2 stops21h 46m

London Heathrow

to. 10/22

7:05 am-9:26 pm

2 stops19h 21m

$810

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

on. 8/26

8:25 pm-8:20 pm

1 stop18h 55m

London Heathrow

fr. 9/4

1:05 pm-7:15 pm

1 stop11h 10m

$817

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

ma. 9/28

4:25 pm-4:00 pm

2 stops18h 35m

London Heathrow

ti. 10/13

6:40 am-12:19 am

2 stops22h 39m

$825
Quickest round-trip

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

on. 9/30

8:25 pm-11:55 am

1 stop10h 30m

London Heathrow

on. 10/7

1:05 pm-7:15 pm

1 stop11h 10m

$827

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

ti. 5/12

10:00 am-6:30 am

1 stop15h 30m

London Heathrow

ti. 5/19

8:40 am-9:52 pm

1 stop18h 12m

$829

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

ti. 5/12

6:00 am-8:45 pm

1 stop9h 45m

London Heathrow

ti. 5/26

8:40 am-5:25 pm

1 stop13h 45m

$832

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

on. 10/14

11:49 am-6:30 pm

2 stops25h 41m

London Heathrow

to. 10/22

7:05 am-9:26 pm

3 stops19h 21m

$835

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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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 $684. 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 $824. The most expensive day to fly to London Heathrow Airport is Saturday, with ticket prices averaging around $1,115.

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 $889 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 $773 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.

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

As of April 2026, prices for Pittsburgh to London Heathrow Airport flights are approximately 20% 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

$586

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 $586. The best round-trip flight deal from Pittsburgh to London Heathrow Airport found on momondo in the last 72 hours is $1,028.
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?

  • 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
8,423 reviews
Search Delta flights
JetBluePriceFrom $295Free CancellationRating
7.2
2,945 reviews
Search JetBlue flights
IcelandairPriceFrom $485Free CancellationRating
7.0
634 reviews
Search Icelandair flights
British AirwaysPriceFrom $572Free CancellationRating
6.7
7,893 reviews
Search British Airways flights
United AirlinesPriceFrom $583Free CancellationRating
7.4
9,605 reviews
Search United Airlines flights
IberiaPriceFrom $598Free CancellationRating
7.0
3,182 reviews
Search Iberia flights
Air CanadaPriceFrom $647Free CancellationRating
7.1
10,935 reviews
Search Air Canada flights
American AirlinesPriceFrom $649Free CancellationRating
7.1
11,603 reviews
Search American Airlines flights
LufthansaPriceFrom $687Free CancellationRating
6.8
7,930 reviews
Search Lufthansa flights
FinnairPriceFrom $689Free CancellationRating
7.7
1,389 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. 1,390 users have rated Finnair on momondo, with an average score of 7.7/10.

  • American Airlines Flights From Pittsburgh to London Heathrow Airport

    $649 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 $1,005, however, with flight time and availability significantly affecting the price. American Airlines (7.1/10 from 11,617 user reviews) flies into London Heathrow Airport from Pittsburgh 7 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
Hayes
Slough
Stratford-upon-Avon
Crawley
Wembley
Stansted
Croydon
Dartford
Brentwood
Cobham
Folkestone
Guildford
Romford
Harrow
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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