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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 2/17. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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.
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
$641Icelandair
vie., may. 8 - vie., may. 15
JetBlue Logo
6:00 am - 8:45 pm
PIT
-
LHR
9h 45m
1 stop
JetBlue Logo
8:05 am - 11:49 pm
LHR
-
PIT
20h 44m
1 stop
$642JetBlue
lun., feb. 23 - sáb., feb. 28
Virgin Atlantic Logo
5:56 pm - 8:45 am
PIT
-
LHR
9h 49m
1 stop
Virgin Atlantic Logo
11:30 am - 10:37 pm
LHR
-
PIT
16h 07m
2 stops
$644Virgin Atlantic
lun., feb. 16 - mié., feb. 25
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
$645Icelandair
vie., may. 8 - mar., may. 12
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
$646Icelandair
mié., may. 13 - mié., may. 20
JetBlue Logo
6:00 am - 8:45 pm
PIT
-
LHR
9h 45m
1 stop
JetBlue Logo
12:20 pm - 11:54 pm
LHR
-
PIT
16h 34m
1 stop
$647JetBlue
lun., feb. 16 - mié., feb. 25
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
$648Icelandair
mié., may. 13 - jue., may. 21
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
$649Icelandair
mié., may. 13 - mié., may. 20
Lufthansa Logo
3:00 pm - 9:45 am
PIT
-
LHR
13h 45m
2 stops
Lufthansa Logo
8:45 am - 11:30 pm
LHR
-
PIT
19h 45m
2 stops
$650Lufthansa
lun., feb. 16 - mié., feb. 25
Lufthansa Logo
2:05 pm - 9:45 am
PIT
-
LHR
14h 40m
2 stops
Lufthansa Logo
6:35 am - 11:51 pm
LHR
-
PIT
22h 16m
2 stops
$653Lufthansa
lun., feb. 16 - mié., feb. 25

Icelandair flights from Pittsburgh to London Heathrow Airport

Our best Icelandair deals on Pittsburgh to London Heathrow Airport flight tickets
Icelandair
May 8
PIT8:25 pmPittsburgh
18h 55m
1 stop
LHR8:20 pmLondon Heathrow
May 15
LHR1:05 pmLondon Heathrow
11h 10m
1 stop
PIT7:15 pmPittsburgh
$641
Icelandair
May 8
PIT8:25 pmPittsburgh
18h 55m
1 stop
LHR8:20 pmLondon Heathrow
May 12
LHR9:25 pmLondon Heathrow
26h 50m
1 stop
PIT7:15 pmPittsburgh
$645
Icelandair
May 13
PIT8:25 pmPittsburgh
10h 30m
1 stop
LHR11:55 amLondon Heathrow
May 20
LHR1:05 pmLondon Heathrow
11h 10m
1 stop
PIT7:15 pmPittsburgh
$646

Air Canada flights from Pittsburgh to London Heathrow Airport

Our best Air Canada deals on Pittsburgh to London Heathrow Airport flight tickets
Air Canada
Mar 16
PIT5:55 pmPittsburgh
13h 25m
1 stop
LHR11:20 amLondon Heathrow
Mar 24
LHR1:25 pmLondon Heathrow
31h 25m
2 stops
PIT4:50 pmPittsburgh
$676
Air Canada
Mar 16
PIT5:55 pmPittsburgh
22h 40m
2 stops
LHR8:35 pmLondon Heathrow
Mar 26
LHR6:00 pmLondon Heathrow
30h 49m
2 stops
PIT8:49 pmPittsburgh
$681
Air Canada
Mar 15
PIT5:55 pmPittsburgh
13h 25m
1 stop
LHR11:20 amLondon Heathrow
Apr 24
LHR2:05 pmLondon Heathrow
30h 21m
2 stops
PIT3:26 pmPittsburgh
$692

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 enero 27, 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

vie. 5/8

8:25 pm-8:20 pm

1 stop18h 55m

London Heathrow

vie. 5/15

1:05 pm-7:15 pm

1 stop11h 10m

$641

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

lun. 2/23

6:00 am-8:45 pm

1 stop9h 45m

London Heathrow

sáb. 2/28

8:05 am-11:49 pm

1 stop20h 44m

$642

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

lun. 2/16

5:56 pm-8:45 am

1 stop9h 49m

London Heathrow

mié. 2/25

11:30 am-10:37 pm

2 stops16h 07m

$644

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

vie. 5/8

8:25 pm-8:20 pm

1 stop18h 55m

London Heathrow

mar. 5/12

9:25 pm-7:15 pm

1 stop26h 50m

$645

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

mié. 5/13

8:25 pm-11:55 am

1 stop10h 30m

London Heathrow

mié. 5/20

1:05 pm-7:15 pm

1 stop11h 10m

$646

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

lun. 2/16

6:00 am-8:45 pm

1 stop9h 45m

London Heathrow

mié. 2/25

12:20 pm-11:54 pm

1 stop16h 34m

$647

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

mié. 5/13

8:25 pm-11:55 am

1 stop10h 30m

London Heathrow

jue. 5/21

9:25 pm-7:15 pm

1 stop26h 50m

$648

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

mié. 5/13

8:25 pm-11:55 am

1 stop10h 30m

London Heathrow

mié. 5/20

1:05 pm-7:15 pm

1 stop11h 10m

$649

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

lun. 2/16

3:00 pm-9:45 am

2 stops13h 45m

London Heathrow

mié. 2/25

8:45 am-11:30 pm

2 stops19h 45m

$650

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

lun. 2/16

2:05 pm-9:45 am

2 stops14h 40m

London Heathrow

mié. 2/25

6:35 am-11:51 pm

2 stops22h 16m

$653

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 $689.

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 $822. The most expensive day to fly to London Heathrow Airport is Saturday, with ticket prices averaging around $1,051.

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.

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

As of January 2026, prices for Pittsburgh to London Heathrow Airport flights are approximately 27% 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

$374

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 $374. The best round-trip flight deal from Pittsburgh to London Heathrow Airport found on momondo in the last 72 hours is $666.
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
8,118 reviews
Search Delta flights
JetBluePriceFrom $295Free CancellationRating
7.2
2,890 reviews
Search JetBlue flights
IcelandairPriceFrom $492Free CancellationRating
7.1
603 reviews
Search Icelandair flights
British AirwaysPriceFrom $577Free CancellationRating
6.7
7,702 reviews
Search British Airways flights
IberiaPriceFrom $629Free CancellationRating
7.0
3,098 reviews
Search Iberia flights
Air CanadaPriceFrom $647Free CancellationRating
7.1
10,660 reviews
Search Air Canada flights
American AirlinesPriceFrom $649Free CancellationRating
7.2
11,195 reviews
Search American Airlines flights
United AirlinesPriceFrom $663Free CancellationRating
7.4
9,204 reviews
Search United Airlines flights
LufthansaPriceFrom $687Free CancellationRating
6.8
7,748 reviews
Search Lufthansa flights
FinnairPriceFrom $689Free CancellationRating
7.6
1,356 reviews
Search Finnair flights

  • Finnair Flights From Pittsburgh to London Heathrow Airport

    Across 4 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. 1,356 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 $887, however, with flight time and availability significantly affecting the price. American Airlines (7.2/10 from 11,195 user reviews) flies into London Heathrow Airport from Pittsburgh 4 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
Hayes
Stratford-upon-Avon
Brentwood
Harrow
Watford
Cobham
Folkestone
Romford
Stansted
Croydon

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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