$328 Cheap United flights from Pittsburgh to London (PIT to LHR)

Find The Best Day To Fly from Pittsburgh to London

Amazing United PIT to LHR Flight Deals

The cheapest flights to Heathrow found within the past 7 days were $905 round trip and $328 one way. Prices and availability subject to change. Additional terms may apply.

Mon, Mar 22 - Tue, Mar 30
PIT
Pittsburgh
LHR
London
$905 Roundtrip, found 12 hours ago
$905
Roundtrip
found 12 hours ago
Select United flight, departing Mon, Mar 22 from Pittsburgh to London, returning Tue, Mar 30, priced at $905 found 12 hours ago

LHR From PIT Economy Coach Packages on Similar Airlines

Price found within the past 48 hours. Click for updated prices.
Residence Inn by Marriott London Kensington

Residence Inn by Marriott London Kensington

4 out of 5
Save 100% on your flight
Price was $2,975, price is now $1,935 per person
$1,935
per person
Dec 12 - Dec 19
found 8 hours ago
Roundtrip non-stop flight included
Pittsburgh (PIT) to London (LHR)
Hotel Riu Plaza London Victoria

Hotel Riu Plaza London Victoria

4 out of 5
Save 100% on your flight
Price was $3,308, price is now $2,097 per person
$2,097
per person
Dec 12 - Dec 19
found 8 hours ago
Roundtrip non-stop flight included
Pittsburgh (PIT) to London (LHR)
Hotel Riu Plaza London The Westminster

Hotel Riu Plaza London The Westminster

4 out of 5
Save 100% on your flight
Price was $3,149, price is now $2,067 per person
$2,067
per person
Dec 12 - Dec 19
found 8 hours ago
Roundtrip non-stop flight included
Pittsburgh (PIT) to London (LHR)
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Frequently asked questions

Can I catch a flight from Pittsburgh Intl. Airport (PIT) to Heathrow Airport right now?
It's prudent to learn about any travel advice reports and quarantine requirements in effect in your destination city. Ensure you visit our Covid-19 Travel Advisor for up-to-date info on flying to Heathrow Airport (LHR).
What terminal is United Airlines at Pittsburgh Intl. Airport (PIT)?
Once you're issued with the boarding pass for your United Airlines flight from Pittsburgh Intl. Airport (PIT) to Heathrow Airport (LHR), you should be able to see which terminals you'll be flying in and out of. Your carrier will have the answers if you can't find those details on your ticket.
Are there United Airlines non-stop flights from PIT to LHR?
Unfortunately, there aren't any direct flights from PIT to Heathrow Airport (LHR) with United Airlines. Get ready to make a stopover if you have to travel on this particular route and airline.
How long is a United Airlines flight from PIT to LHR?
Get some in-flight shut-eye and begin your getaway feeling relaxed. You'll have plenty of time to do so when traveling with United Airlines between PIT and London Heathrow, with the flight taking on average 9 hours.
How many direct and indirect flights does United Airlines fly from PIT to LHR?
When heading from PIT to LHR, you'll find there are at least 6 United Airlines daily flights to select from.
If I am not able to travel due to COVID-19, can I change my booking to a later date?
For more info about changing your flight to London Heathrow, please visit our Customer Service Portal.
What is the best day to buy a plane ticket?
This just in! Airfares offered on Thursdays tend to be the cheapest, according to flight demand on Travelocity in 2021. Tuesday and Wednesday prices are also good, but you may want to prepare your budget if booking during the weekend, as data shows that is when prices are generally at their highest.
What are the cheapest days to fly?
Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2021, flights departing on a Monday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.
How far in advance can you book a flight?
Trying to figure out how early you should book your flight? It's possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2021 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 0-2 weeks prior to their travel dates.*According to flight demand on Travelocity.com from January to December 2021. Savings are subject to change based on departure location, date and destination.

Discover our best United flight from Pittsburgh PIT to London LHR 

To find the best deals on flights to Pittsburgh from London with United, just enter your travel dates, filter by United, and hit search. You’ll find flights to choose from and can sort by price, flight duration, and arrival or departure time.  

 

Return flights from Pittsburgh PIT to London LHR with United 

If you’re planning a round trip, booking return flights with United is usually the most cost-effective option. With airfares ranging from $905 to $905, it’s easy to find a flight that suits your budget. Prices and availability subject to change. Additional terms may apply. 

 

Book one-way United flights from Pittsburgh PIT to London LHR 

A one-way ticket gives you much greater flexibility—allowing you to choose your return date, destination, and time whenever you’re ready. By booking in advance you can find great deals on one-way tickets too. Right now, a one-way United flight from Pittsburgh to London costs from $328. Prices and availability subject to change. Additional terms may apply. 

 

The easy way to find cheap flights to London LHR from  Pittsburgh PIT with United 

To find a cheap United flight from Pittsburgh PIT to London LHR, sort your search results by price or filter by budget. Thanks to Travelocity’s Price Match Promise, if you find a better airfare deal anywhere else within 24 hours, we’ll credit or refund the difference. 

 

How to find our best airfare deals on United flights from Pittsburgh PIT to London LHR 

If you’re looking for cheap flights, it helps to be flexible when it comes to your travel dates. You’ll usually find lower cost tickets when you travel during quieter months such as March, or if you book a flight with a stopover. 

 

Find nonstop flights from Pittsburgh PIT to London LHR with United 

If you’re keen to be on London soil fast, don’t waste time with a stopover—filter your search results to show direct United flights only. The journey takes around hour(s) min(s) – so you’ll be there before you know it. 

 

Flexible airline tickets for United flights from Pittsburgh PIT to London LHR 

Make sure you’re not out of pocket if plans change by choosing a flexible ticket with penalty-free amendment and cancellation options. Use our ‘no change fee’ filter to see which flights have this option.  

 

There are a lot of reasons to book your flights to London LHR from  Pittsburgh PIT with United on Travelocity 

At Travelocity our vast and up-to-the-minute inventory puts all of our best flight deals in one place. So, whether you’re traveling on business or jetting off with friends and family, you can trust Travelocity to get you there.

United Airports
Hop on a(n) United flight today by flying to many destinations out of these domestic and international airports:
Airport code
Country
Airport name
Number of flights
ORDUSAO'Hare Intl.227
DENUSADenver Intl.226
IAHUSAGeorge Bush Intercontinental136
IADUSAWashington Dulles Intl.100
SFOUSASan Francisco Intl.64
LAXUSALos Angeles Intl.23
EWRUSALiberty Intl.20
FRADEUFrankfurt Intl.19
NRTJPNNarita Intl.19
PEKCHNCapital Intl.16

Travelers ❤️ these 🏨 after their flight to London

Hilton Garden Inn London Heathrow Terminal 2 and 3

Hilton Garden Inn London Heathrow Terminal 2 and 3

3.5 out of 5
Heathrow Airport Terminal 2, Cessna Rd, Longford Hounslow England
This hotel features a restaurant and 2 bars/lounges. Enjoy the gym and perks like free WiFi. A 24-hour business center, a snack bar/deli, and express check-out ...
9/10 Wonderful! (5,390 reviews)
"Love the observation deck"

Reviewed on Oct 17, 2026

Hilton Garden Inn London Heathrow Terminal 2 and 3
Premier Inn Heathrow Airport Terminal 4

Premier Inn Heathrow Airport Terminal 4

3 out of 5
Terminal 4, Sheffield Road Hounslow England
A restaurant, self parking, and a 24-hour front desk are among this hotel's amenities. WiFi in public areas is free. Express check-out and luggage storage are ...
Premier Inn Heathrow Airport Terminal 4
Radisson Blu Hotel, London Heathrow

Radisson Blu Hotel, London Heathrow

4 out of 5
140 Bath Road Hayes England
This hotel features a restaurant, a 24-hour gym, and a bar/lounge. Traveling on business? Take advantage of the business center, free WiFi in public areas, and ...
8.4/10 Very Good! (3,747 reviews)
"Room was dated and needed a freshen up"

Reviewed on Oct 18, 2026

Radisson Blu Hotel, London Heathrow
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.

Explore More Ways to Travel with Travelocity

*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.