Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Pittsburgh to London from $276

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 2/10. 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.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Pittsburgh to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
1:20 pm - 8:25 am
PIT
-
LHR
14h 05m1 stop
Multiple Airlines Logo
9:00 am - 8:54 pm
LHR
-
PIT
16h 54m2 stops
$634Multiple Airlines
mié., feb. 11 - vie., feb. 20
Lufthansa Logo
5:46 pm - 11:15 am
PIT
-
LHR
12h 29m1 stop
Lufthansa Logo
7:30 am - 5:31 pm
LHR
-
PIT
15h 01m2 stops
$637Lufthansa
mié., feb. 4 - vie., feb. 20
Lufthansa Logo
2:05 pm - 7:55 am
PIT
-
LHR
12h 50m1 stop
Lufthansa Logo
7:15 pm - 5:31 pm
LHR
-
PIT
27h 16m2 stops
$638Lufthansa
lun., feb. 16 - lun., feb. 23
JetBlue Logo
6:00 am - 9:40 pm
PIT
-
LHR
10h 40m1 stop
JetBlue Logo
9:20 am - 8:00 pm
LHR
-
PIT
15h 40m1 stop
$639JetBlue
jue., ene. 29 - lun., feb. 2
SWISS Logo
2:05 pm - 1:00 pm
PIT
-
LHR
17h 55m2 stops
SWISS Logo
8:05 pm - 8:54 pm
LHR
-
PIT
29h 49m2 stops
$640SWISS
lun., feb. 16 - lun., feb. 23
Lufthansa Logo
8:10 pm - 10:50 am
PIT
-
LHR
9h 40m1 stop
Lufthansa Logo
9:00 am - 11:39 pm
LHR
-
PIT
19h 39m2 stops
$643Lufthansa
mié., ene. 7 - jue., abr. 23
Scandinavian Airlines Logo
11:27 am - 9:20 am
PIT
-
LHR
16h 53m2 stops
Scandinavian Airlines Logo
6:40 am - 9:20 pm
LHR
-
PIT
19h 40m2 stops
$647Scandinavian Airlines
lun., ene. 12 - mié., ene. 21
Austrian Airlines Logo
2:57 pm - 6:40 am
PIT
-
LHR
10h 43m1 stop
Austrian Airlines Logo
7:25 pm - 5:59 pm
LHR
-
PIT
27h 34m2 stops
$650Austrian Airlines
vie., ene. 30 - lun., feb. 2
Lufthansa Logo
2:10 pm - 6:45 am
PIT
-
LHR
11h 35m1 stop
Lufthansa Logo
9:30 am - 11:39 pm
LHR
-
PIT
19h 09m2 stops
$653Lufthansa
mié., abr. 8 - mié., abr. 15
JetBlue Logo
6:00 am - 8:45 pm
PIT
-
LHR
9h 45m1 stop
JetBlue Logo
9:20 am - 8:00 pm
LHR
-
PIT
15h 40m1 stop
$654JetBlue
vie., ene. 16 - lun., ene. 26

Austrian Airlines flights from Pittsburgh to London Heathrow Airport

Our best Austrian Airlines deals on Pittsburgh to London Heathrow Airport flight tickets
Austrian Airlines
Jan 12
PIT2:57 pmPittsburgh
10h 43m
1 stop
LHR6:40 amLondon Heathrow
Jan 21
LHR12:05 pmLondon Heathrow
11h 56m
1 stop
PIT7:01 pmPittsburgh
$641
Find similar
Austrian Airlines
Jan 30
PIT2:57 pmPittsburgh
10h 43m
1 stop
LHR6:40 amLondon Heathrow
Feb 2
LHR7:25 pmLondon Heathrow
27h 34m
2 stops
PIT5:59 pmPittsburgh
$650
Find similar
Austrian Airlines
Feb 16
PIT12:25 pmPittsburgh
17h 00m
1 stop
LHR10:25 amLondon Heathrow
Feb 25
LHR6:00 amLondon Heathrow
16h 31m
2 stops
PIT5:31 pmPittsburgh
$660
Find similar

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 14
PIT5:55 pmPittsburgh
35h 25m
2 stops
LHR9:20 amLondon Heathrow
Mar 25
LHR1:25 pmLondon Heathrow
31h 25m
2 stops
PIT4:50 pmPittsburgh
$673
Find similar
Air Canada
May 13
PIT3:25 pmPittsburgh
10h 05m
1 stop
LHR6:30 amLondon Heathrow
May 21
LHR6:50 amLondon Heathrow
18h 48m
2 stops
PIT8:38 pmPittsburgh
$674
Find similar
Air Canada
May 13
PIT3:25 pmPittsburgh
10h 05m
1 stop
LHR6:30 amLondon Heathrow
May 22
LHR2:05 pmLondon Heathrow
31h 52m
2 stops
PIT4:57 pmPittsburgh
$686
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 15, 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

mié. 2/11

1:20 pm-8:25 am

1 stop14h 05m

London Heathrow

vie. 2/20

9:00 am-8:54 pm

2 stops16h 54m

$634

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

mié. 2/4

5:46 pm-11:15 am

1 stop12h 29m

London Heathrow

vie. 2/20

7:30 am-5:31 pm

2 stops15h 01m

$637

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

lun. 2/16

2:05 pm-7:55 am

1 stop12h 50m

London Heathrow

lun. 2/23

7:15 pm-5:31 pm

2 stops27h 16m

$638

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

jue. 1/29

6:00 am-9:40 pm

1 stop10h 40m

London Heathrow

lun. 2/2

9:20 am-8:00 pm

1 stop15h 40m

$639

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

lun. 2/16

2:05 pm-1:00 pm

2 stops17h 55m

London Heathrow

lun. 2/23

8:05 pm-8:54 pm

2 stops29h 49m

$640

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

mié. 1/7

8:10 pm-10:50 am

1 stop9h 40m

London Heathrow

jue. 4/23

9:00 am-11:39 pm

2 stops19h 39m

$643

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

lun. 1/12

11:27 am-9:20 am

2 stops16h 53m

London Heathrow

mié. 1/21

6:40 am-9:20 pm

2 stops19h 40m

$647

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

vie. 1/30

2:57 pm-6:40 am

1 stop10h 43m

London Heathrow

lun. 2/2

7:25 pm-5:59 pm

2 stops27h 34m

$650

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

mié. 4/8

2:10 pm-6:45 am

1 stop11h 35m

London Heathrow

mié. 4/15

9:30 am-11:39 pm

2 stops19h 09m

$653

PittsburghLondon

PIT - LHR

PITLHR

Pittsburgh

vie. 1/16

6:00 am-8:45 pm

1 stop9h 45m

London Heathrow

lun. 1/26

9:20 am-8:00 pm

1 stop15h 40m

$654

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 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 $818. The most expensive day to fly to London Heathrow Airport is Saturday, with ticket prices averaging around $1,102.

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 $856 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 $725 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 22% 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 10% 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

$468

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 $468. The best round-trip flight deal from Pittsburgh to London Heathrow Airport found on momondo in the last 72 hours is $676.
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
8,008 reviews
Search Delta flights
JetBluePriceFrom $295Free CancellationRating
7.2
2,895 reviews
Search JetBlue flights
IcelandairPriceFrom $492Free CancellationRating
7.0
590 reviews
Search Icelandair flights
British AirwaysPriceFrom $584Free CancellationRating
6.7
7,575 reviews
Search British Airways flights
IberiaPriceFrom $633Free CancellationRating
7.0
3,052 reviews
Search Iberia flights
Air CanadaPriceFrom $647Free CancellationRating
7.1
10,526 reviews
Search Air Canada flights
American AirlinesPriceFrom $652Free CancellationRating
7.2
11,048 reviews
Search American Airlines flights
United AirlinesPriceFrom $663Free CancellationRating
7.4
9,093 reviews
Search United Airlines flights
FinnairPriceFrom $689Free CancellationRating
7.6
1,337 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. 1,337 users have rated Finnair on momondo, with an average score of 7.6/10.

  • American Airlines Flights From Pittsburgh to London Heathrow Airport

    $652 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 11,048 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
Dover
Luton
Slough
Guildford
Hayes
Dartford
Stratford-upon-Avon
Crawley
Brentwood
Salisbury
Wembley
Watford
Ilford
Cobham
Folkestone
Romford
Richmond

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.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
mié. 1/14
mié. 1/21
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to London

Popular cities in the United Kingdom

Popular flights according to clicks in the last 7 days on momondo
Flights to London Gatwick Airportfrom $330
Flights to London City Airportfrom $436
Flights to London Stansted Airportfrom $376
Flights to London Luton Airportfrom $380
Flights to London Southend Airportfrom $542
Flights to Glasgow Intl Airportfrom $388
Flights to Belfast Intl Airportfrom $512
Flights to Belfast City Airportfrom $534