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Cheap flights from Pittsburgh to London from $324

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 5/13. 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
7:20 am - 9:35 am
PIT
-
LHR
21h 15m
2 stops
Scandinavian Airlines Logo
6:40 am - 12:22 am
LHR
-
PIT
22h 42m
2 stops
$736Scandinavian Airlines
Sat, Sep 19 - Mon, Sep 21
Scandinavian Airlines Logo
7:20 am - 9:20 am
PIT
-
LHR
45h 00m
2 stops
Scandinavian Airlines Logo
6:40 am - 9:54 pm
LHR
-
PIT
20h 14m
2 stops
$752Scandinavian Airlines
Fri, Sep 18 - Mon, Sep 21
Scandinavian Airlines Logo
2:08 pm - 4:00 pm
PIT
-
LHR
20h 52m
2 stops
Scandinavian Airlines Logo
6:40 pm - 10:55 pm
LHR
-
PIT
33h 15m
2 stops
$782Scandinavian Airlines
Sat, May 2 - Sun, May 3
JetBlue Logo
6:00 am - 8:45 pm
PIT
-
LHR
9h 45m
1 stop
JetBlue Logo
8:15 am - 11:59 pm
LHR
-
PIT
20h 44m
1 stop
$788JetBlue
Thu, Apr 30 - Mon, May 4
Scandinavian Airlines Logo
11:26 am - 9:35 am
PIT
-
LHR
17h 09m
2 stops
Scandinavian Airlines Logo
7:05 am - 9:28 pm
LHR
-
PIT
19h 23m
2 stops
$789Scandinavian Airlines
Mon, Apr 20 - Fri, Apr 24
JetBlue Logo
6:00 am - 8:45 pm
PIT
-
LHR
9h 45m
1 stop
JetBlue Logo
8:15 am - 12:07 am
LHR
-
PIT
20h 52m
1 stop
$798JetBlue
Mon, May 4 - Tue, May 12
JetBlue Logo
6:00 am - 9:30 am
PIT
-
LHR
22h 30m
1 stop
JetBlue Logo
8:15 am - 12:07 am
LHR
-
PIT
20h 52m
1 stop
$799JetBlue
Mon, May 4 - Wed, May 13
Scandinavian Airlines Logo
11:26 am - 9:35 am
PIT
-
LHR
17h 09m
2 stops
Scandinavian Airlines Logo
6:40 am - 12:35 am
LHR
-
PIT
22h 55m
2 stops
$805Scandinavian Airlines
Mon, Apr 20 - Thu, Apr 30
Scandinavian Airlines Logo
7:22 am - 9:35 am
PIT
-
LHR
21h 13m
2 stops
Scandinavian Airlines Logo
7:05 am - 9:25 pm
LHR
-
PIT
19h 20m
2 stops
$806Scandinavian Airlines
Thu, May 7 - Mon, May 11
JetBlue Logo
10:00 am - 6:30 am
PIT
-
LHR
15h 30m
1 stop
JetBlue Logo
8:40 am - 3:08 pm
LHR
-
PIT
11h 28m
1 stop
$809JetBlue
Wed, May 13 - Thu, May 21

JetBlue flights from Pittsburgh to London Heathrow Airport

Our best JetBlue deals on Pittsburgh to London Heathrow Airport flight tickets
JetBlue
Apr 30
PIT6:00 amPittsburgh
9h 45m
1 stop
LHR8:45 pmLondon Heathrow
May 4
LHR8:15 amLondon Heathrow
20h 44m
1 stop
PIT11:59 pmPittsburgh
$788
JetBlue
May 4
PIT6:00 amPittsburgh
9h 45m
1 stop
LHR8:45 pmLondon Heathrow
May 12
LHR8:15 amLondon Heathrow
20h 52m
1 stop
PIT12:07 amPittsburgh
$798
JetBlue
May 4
PIT6:00 amPittsburgh
22h 30m
1 stop
LHR9:30 amLondon Heathrow
May 13
LHR8:15 amLondon Heathrow
20h 52m
1 stop
PIT12:07 amPittsburgh
$799

Scandinavian Airlines flights from Pittsburgh to London Heathrow Airport

Our best Scandinavian Airlines deals on Pittsburgh to London Heathrow Airport flight tickets
Scandinavian Airlines
Sep 19
PIT7:20 amPittsburgh
21h 15m
2 stops
LHR9:35 amLondon Heathrow
Sep 21
LHR6:40 amLondon Heathrow
22h 42m
2 stops
PIT12:22 amPittsburgh
$736
Scandinavian Airlines
Sep 18
PIT7:20 amPittsburgh
45h 00m
2 stops
LHR9:20 amLondon Heathrow
Sep 20
LHR6:40 pmLondon Heathrow
34h 42m
2 stops
PIT12:22 amPittsburgh
$752
Scandinavian Airlines
May 2
PIT2:08 pmPittsburgh
20h 52m
2 stops
LHR4:00 pmLondon Heathrow
May 3
LHR6:40 pmLondon Heathrow
33h 15m
2 stops
PIT10:55 pmPittsburgh
$782

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 9, 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

Sat 9/19

7:20 am-9:35 am

2 stops21h 15m

London Heathrow

Mon 9/21

6:40 am-12:22 am

2 stops22h 42m

$736

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Fri 9/18

7:20 am-9:20 am

2 stops45h 00m

London Heathrow

Mon 9/21

6:40 am-9:54 pm

2 stops20h 14m

$752

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Sat 5/2

2:08 pm-4:00 pm

2 stops20h 52m

London Heathrow

Sun 5/3

6:40 pm-10:55 pm

2 stops33h 15m

$782

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Thu 4/30

6:00 am-8:45 pm

1 stop9h 45m

London Heathrow

Mon 5/4

8:15 am-11:59 pm

1 stop20h 44m

$788

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Mon 4/20

11:26 am-9:35 am

2 stops17h 09m

London Heathrow

Fri 4/24

7:05 am-9:28 pm

2 stops19h 23m

$789

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Mon 5/4

6:00 am-8:45 pm

1 stop9h 45m

London Heathrow

Tue 5/12

8:15 am-12:07 am

1 stop20h 52m

$798

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Mon 5/4

6:00 am-9:30 am

1 stop22h 30m

London Heathrow

Wed 5/13

8:15 am-12:07 am

1 stop20h 52m

$799

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Mon 4/20

11:26 am-9:35 am

2 stops17h 09m

London Heathrow

Thu 4/30

6:40 am-12:35 am

2 stops22h 55m

$805

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Thu 5/7

7:22 am-9:35 am

2 stops21h 13m

London Heathrow

Mon 5/11

7:05 am-9:25 pm

2 stops19h 20m

$806
Quickest round-trip

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Wed 5/13

10:00 am-6:30 am

1 stop15h 30m

London Heathrow

Thu 5/21

8:40 am-3:08 pm

1 stop11h 28m

$809

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 $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 $823. The most expensive day to fly to London Heathrow Airport is Saturday, with ticket prices averaging around $1,073.

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 $886 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 $765 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 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

$495

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 $495. The best round-trip flight deal from Pittsburgh to London Heathrow Airport found on momondo in the last 72 hours is $911.
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

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 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
8,392 reviews
Search Delta flights
JetBluePriceFrom $295Free CancellationRating
7.2
2,925 reviews
Search JetBlue flights
IcelandairPriceFrom $485Free CancellationRating
7.0
631 reviews
Search Icelandair flights
British AirwaysPriceFrom $572Free CancellationRating
6.7
7,866 reviews
Search British Airways flights
United AirlinesPriceFrom $583Free CancellationRating
7.4
9,556 reviews
Search United Airlines flights
IberiaPriceFrom $598Free CancellationRating
7.0
3,174 reviews
Search Iberia flights
Air CanadaPriceFrom $647Free CancellationRating
7.1
10,909 reviews
Search Air Canada flights
American AirlinesPriceFrom $649Free CancellationRating
7.1
11,564 reviews
Search American Airlines flights
LufthansaPriceFrom $687Free CancellationRating
6.8
7,900 reviews
Search Lufthansa flights
FinnairPriceFrom $689Free CancellationRating
7.7
1,381 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. 1,381 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 $985, however, with flight time and availability significantly affecting the price. American Airlines (7.1/10 from 11,564 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
Wembley
Crawley
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

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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