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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 1/13. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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.
JetBlue Logo
6:00 am - 8:45 pm
PIT
-
LHR
9h 45m1 stop
JetBlue Logo
12:20 pm - 11:55 pm
LHR
-
PIT
15h 35m1 stop
$631JetBlue
dom., mar. 1 - jue., mar. 19
Icelandair Logo
8:25 pm - 8:20 pm
PIT
-
LHR
18h 55m1 stop
Icelandair Logo
9:25 pm - 7:15 pm
LHR
-
PIT
26h 50m1 stop
$633Icelandair
vie., may. 15 - jue., may. 21
Icelandair Logo
8:25 pm - 8:20 pm
PIT
-
LHR
18h 55m1 stop
Icelandair Logo
9:25 pm - 7:15 pm
LHR
-
PIT
26h 50m1 stop
$634Icelandair
vie., may. 15 - jue., may. 21
Lufthansa Logo
3:00 pm - 10:50 am
PIT
-
LHR
14h 50m1 stop
Lufthansa Logo
6:30 am - 7:00 pm
LHR
-
PIT
17h 30m2 stops
$635Lufthansa
lun., feb. 16 - mié., feb. 25
JetBlue Logo
6:00 am - 9:40 pm
PIT
-
LHR
10h 40m1 stop
JetBlue Logo
12:20 pm - 11:55 pm
LHR
-
PIT
16h 35m1 stop
$636JetBlue
mié., ene. 14 - mar., ene. 27
JetBlue Logo
6:00 am - 8:45 pm
PIT
-
LHR
9h 45m1 stop
JetBlue Logo
12:20 pm - 11:55 pm
LHR
-
PIT
16h 35m1 stop
$637JetBlue
vie., ene. 23 - mar., feb. 3
Air Canada Logo
5:55 pm - 8:30 am
PIT
-
LHR
10h 35m1 stop
Air Canada Logo
1:25 pm - 11:44 pm
LHR
-
PIT
38h 19m2 stops
$638Air Canada
dom., mar. 8 - dom., mar. 15
Austrian Airlines Logo
1:20 pm - 9:10 am
PIT
-
LHR
14h 50m1 stop
Austrian Airlines Logo
8:00 am - 5:59 pm
LHR
-
PIT
14h 59m1 stop
$639Austrian Airlines
jue., ene. 8 - jue., ene. 22
American Airlines Logo
9:15 pm - 9:40 am
PIT
-
LHR
7h 25mnonstop
American Airlines Logo
4:00 pm - 7:20 pm
LHR
-
PIT
8h 20mnonstop
$640American Airlines
vie., ene. 9 - vie., ene. 23
United Airlines Logo
2:57 pm - 8:25 am
PIT
-
LHR
12h 28m2 stops
United Airlines Logo
1:30 pm - 11:10 pm
LHR
-
PIT
14h 40m2 stops
$641United Airlines
lun., ene. 26 - sáb., mar. 7

Austrian Airlines flights from Pittsburgh to London Heathrow Airport

Our best Austrian Airlines deals on Pittsburgh to London Heathrow Airport flight tickets
Austrian Airlines
Dec 10
PIT2:50 pmPittsburgh
10h 50m
1 stop
LHR6:40 amLondon Heathrow
Dec 15
LHR12:05 pmLondon Heathrow
11h 44m
1 stop
PIT6:49 pmPittsburgh
$636
Find similar
Austrian Airlines
Jan 8
PIT1:20 pmPittsburgh
14h 50m
1 stop
LHR9:10 amLondon Heathrow
Jan 22
LHR8:00 amLondon Heathrow
14h 59m
1 stop
PIT5:59 pmPittsburgh
$639
Find similar
Austrian Airlines
Jan 24
PIT2:57 pmPittsburgh
33h 58m
2 stops
LHR5:55 amLondon Heathrow
Feb 9
LHR2:50 pmLondon Heathrow
32h 09m
2 stops
PIT5:59 pmPittsburgh
$644
Find similar

American Airlines flights from Pittsburgh to London Heathrow Airport

Our best American Airlines deals on Pittsburgh to London Heathrow Airport flight tickets
American Airlines
Jan 9
PIT9:15 pmPittsburgh
7h 25m
LHR9:40 amLondon Heathrow
Jan 23
LHR4:00 pmLondon Heathrow
8h 20m
PIT7:20 pmPittsburgh
$640
Find similar
American Airlines
Jan 26
PIT9:15 pmPittsburgh
7h 25m
LHR9:40 amLondon Heathrow
Mar 7
LHR10:35 amLondon Heathrow
11h 45m
1 stop
PIT5:20 pmPittsburgh
$650
Find similar
American Airlines
May 5
PIT9:45 pmPittsburgh
7h 20m
LHR10:05 amLondon Heathrow
May 17
LHR2:25 pmLondon Heathrow
11h 36m
1 stop
PIT9:01 pmPittsburgh
$666
Find similar

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 diciembre 5, 2025.
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

dom. 3/1

6:00 am-8:45 pm

1 stop9h 45m

London Heathrow

jue. 3/19

12:20 pm-11:55 pm

1 stop15h 35m

$631

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

vie. 5/15

8:25 pm-8:20 pm

1 stop18h 55m

London Heathrow

jue. 5/21

9:25 pm-7:15 pm

1 stop26h 50m

$633

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

vie. 5/15

8:25 pm-8:20 pm

1 stop18h 55m

London Heathrow

jue. 5/21

9:25 pm-7:15 pm

1 stop26h 50m

$634

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

lun. 2/16

3:00 pm-10:50 am

1 stop14h 50m

London Heathrow

mié. 2/25

6:30 am-7:00 pm

2 stops17h 30m

$635

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

mié. 1/14

6:00 am-9:40 pm

1 stop10h 40m

London Heathrow

mar. 1/27

12:20 pm-11:55 pm

1 stop16h 35m

$636

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

vie. 1/23

6:00 am-8:45 pm

1 stop9h 45m

London Heathrow

mar. 2/3

12:20 pm-11:55 pm

1 stop16h 35m

$637

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

dom. 3/8

5:55 pm-8:30 am

1 stop10h 35m

London Heathrow

dom. 3/15

1:25 pm-11:44 pm

2 stops38h 19m

$638

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

jue. 1/8

1:20 pm-9:10 am

1 stop14h 50m

London Heathrow

jue. 1/22

8:00 am-5:59 pm

1 stop14h 59m

$639

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

vie. 1/9

9:15 pm-9:40 am

Nonstop7h 25m

London Heathrow

vie. 1/23

4:00 pm-7:20 pm

Nonstop8h 20m

$640

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

lun. 1/26

2:57 pm-8:25 am

2 stops12h 28m

London Heathrow

sáb. 3/7

1:30 pm-11:10 pm

2 stops14h 40m

$641

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 January is your next best option. Flight prices from Pittsburgh to London Heathrow Airport during January average around $696.

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 $807. The most expensive day to fly to London Heathrow Airport is Saturday, with ticket prices averaging around $1,092.

What is the cheapest time of day to depart on your flight to London Heathrow Airport?

According to our data, the cheapest time of day to fly to London Heathrow Airport is in the morning. momondo users have found flights departing from Pittsburgh to London Heathrow Airport in the morning for as low as $826. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights at noon are often more expensive with an average ticket price of $931.

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 $764 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 30% 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 December 2025, prices for Pittsburgh to London Heathrow Airport flights are approximately 29% 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

$434

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 $434. The best round-trip flight deal from Pittsburgh to London Heathrow Airport found on momondo in the last 72 hours is $708.
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
8,011 reviews
Search Delta flights
JetBluePriceFrom $295Free CancellationRating
7.2
2,899 reviews
Search JetBlue flights
IcelandairPriceFrom $492Free CancellationRating
7.0
584 reviews
Search Icelandair flights
British AirwaysPriceFrom $587Free CancellationRating
6.7
7,562 reviews
Search British Airways flights
IberiaPriceFrom $635Free CancellationRating
7.0
3,040 reviews
Search Iberia flights
Air CanadaPriceFrom $647Free CancellationRating
7.1
10,500 reviews
Search Air Canada flights
American AirlinesPriceFrom $659Free CancellationRating
7.2
11,047 reviews
Search American Airlines flights
FinnairPriceFrom $689Free CancellationRating
7.6
1,334 reviews
Search Finnair flights
United AirlinesPriceFrom $704Free CancellationRating
7.4
9,066 reviews
Search United Airlines 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 $840, with the best Finnair deals starting from $689 round-trip. 1,334 users have rated Finnair on momondo, with an average score of 7.6/10.

  • American Airlines Flights From Pittsburgh to London Heathrow Airport

    $659 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 11,047 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
Dover
Luton
Slough
Guildford
Hayes
Dartford
Stratford-upon-Avon
Crawley
Brentwood
Salisbury
Wembley
Romford
Watford
Ilford
Cobham
Folkestone
Uxbridge

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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