Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Pittsburgh to London from $223

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 9/9. 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

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.

Find the cheapest flights from Pittsburgh to London

Cheap round-trip flights

Icelandair Logo
8:30 pm - 8:20 pmPIT-LHR
18h 50m1 stop
Icelandair Logo
1:05 pm - 7:20 pmLHR-PIT
11h 15m1 stop
$500Icelandair
Find Deal
vie., sep. 5 - vie., sep. 12
Icelandair Logo
8:30 pm - 8:20 pmPIT-LHR
18h 50m1 stop
Icelandair Logo
9:25 pm - 7:20 pmLHR-PIT
26h 55m1 stop
$501Icelandair
Find Deal
mar., oct. 7 - mié., oct. 15
Icelandair Logo
8:30 pm - 8:20 pmPIT-LHR
18h 50m1 stop
Icelandair Logo
9:25 pm - 7:20 pmLHR-PIT
26h 55m1 stop
$504Icelandair
Find Deal
mar., sep. 30 - sáb., oct. 11
Icelandair Logo
8:30 pm - 8:20 pmPIT-LHR
18h 50m1 stop
Icelandair Logo
1:05 pm - 7:20 pmLHR-PIT
11h 15m1 stop
$514Icelandair
Find Deal
vie., sep. 12 - jue., sep. 18
 Logo
6:30 am - 10:55 pmPIT-LHR
35h 25m2 stops
 Logo
3:05 pm - 9:06 pmLHR-PIT
35h 01m3 stops
lun., ago. 11 - mié., ago. 20
 Logo
6:30 am - 10:55 pmPIT-LHR
35h 25m2 stops
 Logo
3:05 pm - 9:06 pmLHR-PIT
35h 01m3 stops
lun., ago. 11 - mié., ago. 20
Air Canada Logo
3:15 pm - 10:00 amPIT-LHR
13h 45m1 stop
Air Canada Logo
6:50 am - 2:35 pmLHR-PIT
12h 45m2 stops
$630Air Canada
Find Deal
mar., ago. 12 - mar., ago. 19
Air Canada Logo
3:15 pm - 10:00 amPIT-LHR
13h 45m1 stop
Air Canada Logo
6:50 am - 2:35 pmLHR-PIT
12h 45m2 stops
$631Air Canada
Find Deal
mar., ago. 12 - mar., ago. 19
JetBlue Logo
7:00 am - 9:30 amPIT-LHR
21h 30m1 stop
JetBlue Logo
8:15 am - 11:51 pmLHR-PIT
20h 36m1 stop
$637JetBlue
Find Deal
lun., ago. 11 - mié., ago. 20
JetBlue Logo
6:00 am - 8:45 pmPIT-LHR
9h 45m1 stop
JetBlue Logo
12:20 pm - 11:57 pmLHR-PIT
16h 37m1 stop
$644JetBlue
Find Deal
lun., nov. 3 - jue., dic. 4

Icelandair flights from Pittsburgh to London Heathrow Airport

Our best Icelandair deals on Pittsburgh to London Heathrow Airport flight tickets
Icelandair
Sep 5
PIT8:30 pmPittsburgh
18h 50m
1 stop
LHR8:20 pmLondon Heathrow
Sep 12
LHR1:05 pmLondon Heathrow
11h 15m
1 stop
PIT7:20 pmPittsburgh
Icelandair
Oct 7
PIT8:30 pmPittsburgh
18h 50m
1 stop
LHR8:20 pmLondon Heathrow
Oct 15
LHR9:25 pmLondon Heathrow
26h 55m
1 stop
PIT7:20 pmPittsburgh
Icelandair
Sep 30
PIT8:30 pmPittsburgh
18h 50m
1 stop
LHR8:20 pmLondon Heathrow
Oct 11
LHR9:25 pmLondon Heathrow
26h 55m
1 stop
PIT7:20 pmPittsburgh

Air Canada flights from Pittsburgh to London Heathrow Airport

Our best Air Canada deals on Pittsburgh to London Heathrow Airport flight tickets
Air Canada
Aug 12
PIT3:15 pmPittsburgh
13h 45m
1 stop
LHR10:00 amLondon Heathrow
Aug 19
LHR6:50 amLondon Heathrow
12h 45m
2 stops
PIT2:35 pmPittsburgh
Air Canada
Aug 12
PIT3:15 pmPittsburgh
13h 45m
1 stop
LHR10:00 amLondon Heathrow
Aug 19
LHR6:50 amLondon Heathrow
12h 45m
2 stops
PIT2:35 pmPittsburgh
Air Canada
Aug 11
PIT3:15 pmPittsburgh
13h 45m
1 stop
LHR10:00 amLondon Heathrow
Aug 20
LHR6:50 amLondon Heathrow
12h 45m
2 stops
PIT2:35 pmPittsburgh

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 $680. 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 $701.

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 $796. The most expensive day to fly to London Heathrow Airport is Saturday, with ticket prices averaging around $1,136.

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 $857 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 $734 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 June 2025, prices for Pittsburgh to London Heathrow Airport flights are approximately 37% 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

$223

Fastest flight time

9h 45m

Direct flights

Every day
The best one-way flight to London Heathrow Airport from Pittsburgh in the past 72 hours is $223. The best round-trip flight deal from Pittsburgh to London Heathrow Airport found on momondo in the last 72 hours is $500.
The fastest flight from Pittsburgh to London Heathrow Airport takes 9h 45m
Direct flights go from Pittsburgh to London Heathrow Airport every day.

  • How far is Pittsburgh to London Heathrow by plane?

    London Heathrow is 3700.3 mi away from Pittsburgh. 9h 45m 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
IcelandairPriceFrom $484Free CancellationRating
7.0
513 reviews
Search Icelandair flights
DeltaPriceFrom $533Free CancellationRating
8.0
7,973 reviews
Search Delta flights
JetBluePriceFrom $563Free CancellationRating
7.3
2,920 reviews
Search JetBlue flights
FinnairPriceFrom $604Free CancellationRating
7.6
1,299 reviews
Search Finnair flights
Air CanadaPriceFrom $608Free CancellationRating
7.1
9,654 reviews
Search Air Canada flights
IberiaPriceFrom $612Free CancellationRating
7.0
2,810 reviews
Search Iberia flights
American AirlinesPriceFrom $637Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
British AirwaysPriceFrom $637Free CancellationRating
6.6
7,081 reviews
Search British Airways flights
United AirlinesPriceFrom $661Free CancellationRating
7.4
8,852 reviews
Search United Airlines 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 $855, with the best Finnair deals starting from $604 round-trip. 1,299 users have rated Finnair on momondo, with an average score of 7.6/10.

  • American Airlines Flights From Pittsburgh to London Heathrow Airport

    $637 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 $812, however, with flight time and availability significantly affecting the price. American Airlines (7.2/10 from 10,000 user reviews) flies into London Heathrow Airport from Pittsburgh 6 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
Croydon
Luton
Slough
Guildford
Dartford
Dover
Stansted
Hayes
Milton Keynes
Salisbury
Swindon
Ilford
Colchester
Stratford-upon-Avon
Canterbury
Chelmsford
Watford
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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
sáb. 7/5
sáb. 7/12

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