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Cheap flights from Pittsburgh to London from $296

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 3/9. 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

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Cheap round-trip flights

Enter your travel dates to find the best prices.
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
$647Icelandair
Fri, May 8 - Wed, May 13
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
$649Icelandair
Fri, May 8 - Thu, May 14
Multiple Airlines Logo
5:55 pm - 8:35 pm
PIT
-
LHR
21h 40m
2 stops
Multiple Airlines Logo
9:00 am - 8:54 pm
LHR
-
PIT
16h 54m
2 stops
$652Multiple Airlines
Mon, Feb 23 - Wed, Mar 4
Multiple Airlines Logo
5:45 am - 10:50 am
PIT
-
LHR
25h 05m
3 stops
Multiple Airlines Logo
8:35 pm - 10:55 pm
LHR
-
PIT
30h 20m
3 stops
$653Multiple Airlines
Tue, Mar 17 - Tue, Mar 24
Multiple Airlines Logo
5:55 pm - 8:30 am
PIT
-
LHR
9h 35m
1 stop
Multiple Airlines Logo
9:00 am - 8:54 pm
LHR
-
PIT
16h 54m
2 stops
$657Multiple Airlines
Mon, Feb 23 - Wed, Mar 4
JetBlue Logo
6:00 am - 9:40 pm
PIT
-
LHR
10h 40m
1 stop
JetBlue Logo
12:20 pm - 11:49 pm
LHR
-
PIT
16h 29m
1 stop
$658JetBlue
Tue, Feb 24 - Fri, Feb 27
JetBlue Logo
6:00 am - 8:45 pm
PIT
-
LHR
9h 45m
1 stop
JetBlue Logo
9:20 am - 9:43 pm
LHR
-
PIT
17h 23m
1 stop
$660JetBlue
Mon, Feb 23 - Mon, Mar 2
JetBlue Logo
7:25 am - 6:55 am
PIT
-
LHR
18h 30m
1 stop
JetBlue Logo
12:20 pm - 11:49 pm
LHR
-
PIT
16h 29m
1 stop
$661JetBlue
Mon, Feb 23 - Sat, Feb 28
JetBlue Logo
6:00 am - 8:45 pm
PIT
-
LHR
9h 45m
1 stop
JetBlue Logo
9:20 am - 9:43 pm
LHR
-
PIT
17h 23m
1 stop
$662JetBlue
Mon, Feb 23 - Thu, Feb 26
Lufthansa Logo
5:55 pm - 11:50 am
PIT
-
LHR
12h 55m
1 stop
Lufthansa Logo
8:30 am - 8:45 pm
LHR
-
PIT
17h 15m
2 stops
$663Lufthansa
Tue, Apr 14 - Tue, Apr 28

JetBlue flights from Pittsburgh to London Heathrow Airport

Our best JetBlue deals on Pittsburgh to London Heathrow Airport flight tickets
JetBlue
Feb 8
PIT6:00 amPittsburgh
9h 45m
1 stop
LHR8:45 pmLondon Heathrow
Feb 11
LHR9:20 amLondon Heathrow
18h 29m
1 stop
PIT10:49 pmPittsburgh
$658
JetBlue
Feb 23
PIT6:00 amPittsburgh
9h 45m
1 stop
LHR8:45 pmLondon Heathrow
Feb 27
LHR12:20 pmLondon Heathrow
16h 29m
1 stop
PIT11:49 pmPittsburgh
$660
JetBlue
Feb 23
PIT6:00 amPittsburgh
9h 45m
1 stop
LHR8:45 pmLondon Heathrow
Mar 2
LHR12:20 pmLondon Heathrow
16h 29m
1 stop
PIT11:49 pmPittsburgh
$661

Lufthansa flights from Pittsburgh to London Heathrow Airport

Our best Lufthansa deals on Pittsburgh to London Heathrow Airport flight tickets
Lufthansa
Feb 18
PIT3:00 pmPittsburgh
16h 50m
2 stops
LHR12:50 pmLondon Heathrow
Feb 25
LHR6:30 amLondon Heathrow
17h 30m
2 stops
PIT7:00 pmPittsburgh
$663
Lufthansa
Apr 20
PIT7:59 pmPittsburgh
16h 06m
2 stops
LHR5:05 pmLondon Heathrow
Apr 30
LHR8:25 pmLondon Heathrow
29h 13m
2 stops
PIT8:38 pmPittsburgh
$664
Lufthansa
Feb 23
PIT12:24 pmPittsburgh
17h 21m
2 stops
LHR10:45 amLondon Heathrow
Mar 2
LHR7:30 pmLondon Heathrow
30h 24m
2 stops
PIT8:54 pmPittsburgh
$682

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 February 8, 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

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Fri 5/8

8:25 pm-11:55 am

1 stop10h 30m

London Heathrow

Wed 5/13

1:05 pm-7:15 pm

1 stop11h 10m

$647

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Fri 5/8

8:25 pm-8:20 pm

1 stop18h 55m

London Heathrow

Thu 5/14

9:25 pm-7:15 pm

1 stop26h 50m

$649

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Mon 2/23

5:55 pm-8:35 pm

2 stops21h 40m

London Heathrow

Wed 3/4

9:00 am-8:54 pm

2 stops16h 54m

$652

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Tue 3/17

5:45 am-10:50 am

3 stops25h 05m

London Heathrow

Tue 3/24

8:35 pm-10:55 pm

3 stops30h 20m

$653

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Mon 2/23

5:55 pm-8:30 am

1 stop9h 35m

London Heathrow

Wed 3/4

9:00 am-8:54 pm

2 stops16h 54m

$657

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Tue 2/24

6:00 am-9:40 pm

1 stop10h 40m

London Heathrow

Fri 2/27

12:20 pm-11:49 pm

1 stop16h 29m

$658

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Mon 2/23

6:00 am-8:45 pm

1 stop9h 45m

London Heathrow

Mon 3/2

9:20 am-9:43 pm

1 stop17h 23m

$660

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Mon 2/23

7:25 am-6:55 am

1 stop18h 30m

London Heathrow

Sat 2/28

12:20 pm-11:49 pm

1 stop16h 29m

$661

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Mon 2/23

6:00 am-8:45 pm

1 stop9h 45m

London Heathrow

Thu 2/26

9:20 am-9:43 pm

1 stop17h 23m

$662

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

Tue 4/14

5:55 pm-11:50 am

1 stop12h 55m

London Heathrow

Tue 4/28

8:30 am-8:45 pm

2 stops17h 15m

$663

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 $825. The most expensive day to fly to London Heathrow Airport is Saturday, with ticket prices averaging around $1,038.

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 $852 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 $717 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?

You could potentially save up to 1% 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 February 2026, prices for Pittsburgh to London Heathrow Airport flights are approximately 8% 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

$338

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 $338. The best round-trip flight deal from Pittsburgh to London Heathrow Airport found on momondo in the last 72 hours is $669.
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
8,166 reviews
Search Delta flights
JetBluePriceFrom $295Free CancellationRating
7.2
2,898 reviews
Search JetBlue flights
IcelandairPriceFrom $492Free CancellationRating
7.1
606 reviews
Search Icelandair flights
British AirwaysPriceFrom $576Free CancellationRating
6.7
7,719 reviews
Search British Airways flights
IberiaPriceFrom $629Free CancellationRating
7.0
3,106 reviews
Search Iberia flights
Air CanadaPriceFrom $647Free CancellationRating
7.1
10,697 reviews
Search Air Canada flights
American AirlinesPriceFrom $649Free CancellationRating
7.2
11,245 reviews
Search American Airlines flights
United AirlinesPriceFrom $663Free CancellationRating
7.4
9,246 reviews
Search United Airlines flights
LufthansaPriceFrom $687Free CancellationRating
6.8
7,769 reviews
Search Lufthansa flights
FinnairPriceFrom $689Free CancellationRating
7.6
1,357 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 $1,074, with the best Finnair deals starting from $689 round-trip. 1,357 users have rated Finnair on momondo, with an average score of 7.6/10.

  • 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 $882, however, with flight time and availability significantly affecting the price. American Airlines (7.2/10 from 11,245 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
Slough
Guildford
Crawley
Wembley
Dartford
Stratford-upon-Avon
Hayes
Croydon
Brentwood
Harrow
Watford
Cobham
Folkestone
Romford
Stansted

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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