Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Pittsburgh to London from £186

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 14/10. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Pittsburgh to London

Cheap return flights

Enter your travel dates to find the best prices.
Air Canada Logo
19:20 - 06:30PIT  Pittsburgh-LHR London Heathrow
30h 10m1 stop Toronto Pearson Intl
Air Canada Logo
06:00 - 18:36LHR  London Heathrow-PIT Pittsburgh
17h 36m2 stops Zurich Toronto Pearson Intl
£551Air Canada
Sat, 7 Nov - Tue, 10 Nov
Multiple Airlines Logo
19:20 - 06:30PIT  Pittsburgh-LHR London Heathrow
30h 10m1 stop Toronto Pearson Intl
Multiple Airlines Logo
06:00 - 20:49LHR  London Heathrow-PIT Pittsburgh
19h 49m2 stops Zurich Chicago O'Hare Intl
£552Multiple Airlines
Sat, 7 Nov - Tue, 10 Nov
Multiple Airlines Logo
20:25 - 20:20PIT  Pittsburgh-LHR London Heathrow
18h 55m1 stop Reykjavik Keflavik Intl
Multiple Airlines Logo
13:05 - 14:22LHR  London Heathrow-PIT Pittsburgh
30h 17m3 stops Reykjavik Keflavik Intl Baltimore/Washington DuBois Jefferson County
£554Multiple Airlines
Fri, 9 Oct - Tue, 20 Oct
Icelandair Logo
20:25 - 14:40PIT  Pittsburgh-LGW London Gatwick
13h 15m1 stop Reykjavik Keflavik Intl
Icelandair Logo
15:40 - 19:15LGW  London Gatwick-PIT Pittsburgh
32h 35m1 stop Reykjavik Keflavik Intl
£555Icelandair
Fri, 18 Sep - Sat, 26 Sep
Multiple Airlines Logo
12:15 - 19:15PIT  Pittsburgh-STN London Stansted
26h 00m2 stops Toronto Pearson Intl Kastrup Copenhagen
Multiple Airlines Logo
20:00 - 14:53STN  London Stansted-PIT Pittsburgh
23h 53m3 stops Kastrup Copenhagen Frankfurt am Main Montreal Pierre Elliott Trudeau Intl
£555Multiple Airlines
Thu, 1 Oct - Sun, 4 Oct
Multiple Airlines Logo
20:25 - 08:40PIT  Pittsburgh-LGW London Gatwick
31h 15m2 stops Reykjavik Keflavik Intl Oslo Gardermoen
Multiple Airlines Logo
14:00 - 18:15LGW  London Gatwick-PIT Pittsburgh
33h 15m1 stop Orlando
£558Multiple Airlines
Sun, 23 Aug - Wed, 2 Sep
Multiple Airlines Logo
20:25 - 20:10PIT  Pittsburgh-LGW London Gatwick
18h 45m2 stops Reykjavik Keflavik Intl Oslo Gardermoen
Multiple Airlines Logo
09:20 - 19:15LGW  London Gatwick-PIT Pittsburgh
14h 55m2 stops Oslo Gardermoen Reykjavik Keflavik Intl
£558Multiple Airlines
Sun, 13 Sep - Sun, 20 Sep
Multiple Airlines Logo
20:25 - 20:20PIT  Pittsburgh-LHR London Heathrow
18h 55m2 stops Reykjavik Keflavik Intl Dublin
Multiple Airlines Logo
07:40 - 19:15LHR  London Heathrow-PIT Pittsburgh
16h 35m2 stops Dublin Reykjavik Keflavik Intl
£560Multiple Airlines
Sun, 13 Sep - Wed, 23 Sep
British Airways Logo
21:15 - 09:40PIT  Pittsburgh-LHR London Heathrow
7h 25mdirect
British Airways Logo
09:55 - 18:14LHR  London Heathrow-PIT Pittsburgh
13h 19m1 stop Charlotte Douglas
£641British Airways
Mon, 7 Dec - Tue, 15 Dec
British Airways Logo
21:15 - 09:40PIT  Pittsburgh-LHR London Heathrow
7h 25mdirect
British Airways Logo
15:40 - 23:19LHR  London Heathrow-PIT Pittsburgh
12h 39m1 stop Chicago O'Hare Intl
£641British Airways
Mon, 9 Nov - Thu, 12 Nov

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise 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

United Airlines flights from Pittsburgh to London

Our best United Airlines deals on Pittsburgh to London flight tickets
United Airlines
8 Nov
PIT14:02Pittsburgh
10h 53m
1 stop
LHR05:55London Heathrow
13 Nov
LHR06:50London Heathrow
16h 29m
2 stops
PIT18:19Pittsburgh
£642
United Airlines
19 Aug
PIT11:23Pittsburgh
14h 07m
2 stops
LHR06:30London Heathrow
2 Sept
LHR06:50London Heathrow
15h 23m
2 stops
PIT17:13Pittsburgh
£778
United Airlines
19 Aug
PIT10:25Pittsburgh
14h 30m
2 stops
LHR05:55London Heathrow
26 Aug
LHR06:50London Heathrow
15h 25m
2 stops
PIT17:15Pittsburgh
£779

JetBlue flights from Pittsburgh to London

Our best JetBlue deals on Pittsburgh to London flight tickets
JetBlue
7 Oct
PIT06:00Pittsburgh
9h 45m
1 stop
LHR20:45London Heathrow
12 Oct
LHR08:15London Heathrow
20h 29m
1 stop
PIT23:44Pittsburgh
£648
JetBlue
19 Aug
PIT06:00Pittsburgh
9h 45m
1 stop
LHR20:45London Heathrow
26 Aug
LHR11:55London Heathrow
16h 57m
1 stop
PIT23:52Pittsburgh
£679
JetBlue
22 Aug
PIT09:09Pittsburgh
16h 21m
1 stop
LHR06:30London Heathrow
29 Aug
LHR08:15London Heathrow
20h 06m
1 stop
PIT23:21Pittsburgh
£682

momondo Fare Finder

 
Customise your flight search to find flights from Pittsburgh to London 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 279,928 searches. Data last updated 9 August 2026.
Use the filters below to find and compare flights from Pittsburgh to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

PittsburghLondon

PIT Pittsburgh - LHR London Heathrow

PITLHR

Pittsburgh

Sat 7/11

19:20-06:30

1 stop30h 10m

London Heathrow

Tue 10/11

06:00-18:36

2 stops17h 36m

£551

PittsburghLondon

PIT Pittsburgh - LHR London Heathrow

PITLHR

Pittsburgh

Sat 7/11

19:20-06:30

1 stop30h 10m

London Heathrow

Tue 10/11

06:00-20:49

2 stops19h 49m

£552

PittsburghLondon

PIT Pittsburgh - LHR London Heathrow

PITLHR

Pittsburgh

Fri 9/10

20:25-20:20

1 stop18h 55m

London Heathrow

Tue 20/10

13:05-14:22

3 stops30h 17m

£554

PittsburghLondon

PIT Pittsburgh - LGW London Gatwick

PITLGW

Pittsburgh

Fri 18/9

20:25-14:40

1 stop13h 15m

London Gatwick

Sat 26/9

15:40-19:15

1 stop32h 35m

£555

PittsburghLondon

PIT Pittsburgh - STN London Stansted

PITSTN

Pittsburgh

Thu 1/10

12:15-19:15

2 stops26h 00m

London Stansted

Sun 4/10

20:00-14:53

3 stops23h 53m

£555

PittsburghLondon

PIT Pittsburgh - LGW London Gatwick

PITLGW

Pittsburgh

Sun 23/8

20:25-08:40

2 stops31h 15m

London Gatwick

Wed 2/9

14:00-18:15

1 stop33h 15m

£558

PittsburghLondon

PIT Pittsburgh - LGW London Gatwick

PITLGW

Pittsburgh

Sun 13/9

20:25-20:10

2 stops18h 45m

London Gatwick

Sun 20/9

09:20-19:15

2 stops14h 55m

£558

PittsburghLondon

PIT Pittsburgh - LHR London Heathrow

PITLHR

Pittsburgh

Sun 13/9

20:25-20:20

2 stops18h 55m

London Heathrow

Wed 23/9

07:40-19:15

2 stops16h 35m

£560

PittsburghLondon

PIT Pittsburgh - LHR London Heathrow

PITLHR

Pittsburgh

Mon 7/12

21:15-09:40

Nonstop7h 25m

London Heathrow

Tue 15/12

09:55-18:14

1 stop13h 19m

£641
Fastest return journey

PittsburghLondon

PIT Pittsburgh - LHR London Heathrow

PITLHR

Pittsburgh

Mon 9/11

21:15-09:40

Nonstop7h 25m

London Heathrow

Thu 12/11

15:40-23:19

1 stop12h 39m

£641

Flights are sorted by cheapest return 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

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?

Prices are currently typical for flights on this route.

Typical prices usually range from £533 to £877.
The lowest price recently found on this route was £551.

What is the cheapest month to fly to London?

The cheapest month to fly to London from Pittsburgh is in February. Flight prices, which tend to average around £519, are often lower during this time because this is during the off-season. The month of January is another great option to travel to London, with average flight prices from Pittsburgh averaging around £533.

What is the cheapest day to depart on your flight to London?

Our data shows that Thursday is the least expensive day to fly to London. Tickets to fly out on this day can be as low as £407. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Pittsburgh to London for around £951.

What is the cheapest Pittsburgh to London flight route?

Fly from Pittsburgh to London Heathrow for the best Pittsburgh - London flight prices

How far in advance should I book a flight from Pittsburgh to London?

You are more likely to see cheaper flights to London from Pittsburgh when booking weeks ahead of your departure date. In general, you can expect to find flights to London for around £705 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from Pittsburgh for as low as £562 on momondo.

What cabin class options are available on Pittsburgh to London flights?

There is only 1 cabin class available to choose from on Pittsburgh to London 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 flights?

No. A direct flight is the cheapest option for a flight between Pittsburgh to London.

How have Pittsburgh to London flight prices changed over time?

As of August 2026, prices for Pittsburgh to London flights are approximately 28% cheaper when compared to flights at the same time last year.

When to book flights from Pittsburgh to London

Are you open to changing your travel dates? Check out the ideal times to fly from Pittsburgh to London according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Pittsburgh to London (PIT to LON) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Pittsburgh to London

Fastest flight time

7h 15m

Direct flights

Every day

Airports in London

6 airports
The fastest flight from Pittsburgh to London takes 7h 15m
Direct flights go from Pittsburgh to London every day.
There are 6 airports in London. From Pittsburgh there are direct flights to London Heathrow (LHR).
Search flight deals

Frequently asked questions about flying from Pittsburgh to London

  • How far is Pittsburgh to London by plane?

    The distance between Pittsburgh and London is about 3712.9 mi. In terms of flight time, this usually takes a little over 7h 15m.

  • When did momondo last update prices for flights from Pittsburgh Airport to London?

    Prices for flights from Pittsburgh Airport to London were last updated today.

  • How many operators does momondo search for flights from Pittsburgh Airport to London?

  • How old do you have to be to fly from Pittsburgh Airport to London?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Pittsburgh Airport to London.

  • What documentation or ID do you need to fly to London?

    The travel and health documents you'll need for your trip to London 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. 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?

  • What is the most popular airline from Pittsburgh to London?

Best airlines flying from Pittsburgh to London

Compare and see reviews for airlines that fly from Pittsburgh to London with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom £395Free CancellationRating
6.7
8,151 reviews
Search British Airways flights

  • British Airways Flights From Pittsburgh to London

    British Airways is one of the most popular airlines flying from Pittsburgh to London, operating 5 flights/week on average for this route. A good British Airways flight deal for Pittsburgh to London starts from £395 round-trip, up to an average price of £498. Our users have rated British Airways at 6.7/10.

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Eastbourne
Wembley
Gatwick
Milton Keynes
Luton
Southend-on-Sea
Slough
Ipswich
Maidstone
Folkestone
Ilford
Hastings
Canterbury
Guildford
Chichester
Hayes
Bedford
Harlow
Colchester
Chelmsford

Why use momondo?

Why should I use momondo to find a flight deal from Pittsburgh to London?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to London from Pittsburgh.

Can I find flights from Pittsburgh to London with flexible booking policies on momondo?

Yes. All flights to London from Pittsburgh on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Pittsburgh to London?

Once all potential Pittsburgh to London flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Pittsburgh to London right now. Can momondo alert me if prices change?

Price alerts on flights to London from Pittsburgh are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your London trip

We make it super easy to schedule, organise 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
Tue 8/9
Tue 15/9
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United Kingdom

Fly into one of these airports located in London

Airports listed have a maximum distance of 35.6 mi from London
London City Airport
London Gatwick Airport
London Heathrow Airport
London Luton Airport
London Southend Airport
London Stansted Airport