Arrive 3 hours early for morning flights due to busy security lines. Check the airport's live security time tracker for updates.

Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | Gurufare 3 stars |
Round-trip from | $639 (Aunt Betty) |
One-way from | $272 (Kiwi.com) |
Popular in | June |
Cheapest in | October |
Average price | $730 |
Good round-trip deal | $651 or less |
Good one-way deal | $468 or less |
Fly from
Fly to
Route
Depart
Return
Price
PittsburghLondon
PIT - LHR
PITLHR
Pittsburgh
Mon 2/16
6:00 am-8:45 pm
1 stop9h 45m
London Heathrow
Wed 2/25
9:20 am-9:43 pm
1 stop17h 23m
PittsburghLondon
PIT - LHR
PITLHR
Pittsburgh
Fri 1/9
9:00 am-6:55 am
1 stop16h 55m
London Heathrow
Fri 1/23
12:20 pm-11:55 pm
1 stop16h 35m
PittsburghLondon
PIT - LHR
PITLHR
Pittsburgh
Mon 3/16
9:50 am-6:55 am
1 stop17h 05m
London Heathrow
Wed 3/25
12:20 pm-11:55 pm
1 stop15h 35m
PittsburghLondon
PIT - LHR
PITLHR
Pittsburgh
Wed 3/11
12:51 pm-6:55 am
1 stop14h 04m
London Heathrow
Wed 3/25
9:20 am-5:45 pm
1 stop12h 25m
PittsburghLondon
PIT - LHR
PITLHR
Pittsburgh
Wed 3/11
5:10 pm-10:15 am
1 stop13h 05m
London Heathrow
Wed 3/25
11:05 am-10:46 pm
2 stops15h 41m
PittsburghLondon
PIT - LHR
PITLHR
Pittsburgh
Tue 3/31
11:23 am-8:50 am
1 stop16h 27m
London Heathrow
Tue 4/7
6:30 am-5:13 pm
2 stops15h 43m
PittsburghLondon
PIT - LHR
PITLHR
Pittsburgh
Fri 1/16
6:00 am-8:45 pm
1 stop9h 45m
London Heathrow
Mon 1/26
9:20 am-8:00 pm
1 stop15h 40m
PittsburghLondon
PIT - LHR
PITLHR
Pittsburgh
Fri 1/23
9:00 am-6:55 am
1 stop16h 55m
London Heathrow
Mon 1/26
9:20 am-8:00 pm
1 stop15h 40m
PittsburghLondon
PIT - LHR
PITLHR
Pittsburgh
Wed 2/18
6:00 am-8:35 pm
1 stop9h 35m
London Heathrow
Wed 2/25
6:50 am-4:54 pm
2 stops15h 04m
PittsburghLondon
PIT - LHR
PITLHR
Pittsburgh
Thu 1/22
6:00 am-12:50 pm
3 stops25h 50m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*2 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy- | Trust Score*1 star |
Booking 22 days in advance of your planned departure date is, on average, the best time to get cheap flights from Pittsburgh to London Heathrow Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Currently, September is the cheapest month in which you can book a flight from Pittsburgh to London Heathrow Airport (average of $533). Flying from Pittsburgh to London Heathrow Airport in June is currently the most expensive (average of $948). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Pittsburgh to London Heathrow Airport as you normally would.
Crew
Overall
Comfort
Boarding
Food
Entertainment
Reviews
Jeremy,Dec 2025
OKC - CLT
Crew
Overall
Comfort
Boarding
Food
Entertainment
Reviews
Jeremy,Dec 2025
OKC - CLT
Crew
Overall
Comfort
Boarding
Food
Entertainment
Reviews
Jeremy,Dec 2025
OKC - CLT
Crew
Overall
Comfort
Boarding
Food
Entertainment
Reviews
Jeremy,Dec 2025
OKC - CLT
Crew
Overall
Comfort
Boarding
Food
Entertainment
Reviews
Jeremy,Dec 2025
OKC - CLT
Crew
Overall
Comfort
Boarding
Food
Entertainment
Reviews
Jeremy,Dec 2025
OKC - CLT
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$219 | Average$789 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$295 | Average$701 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$492 | Average$763 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$582 | Average$851 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$633 | Average$897 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$647 | Average$1,083 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$650 | Average$885 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$663 | Average$865 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$687 | Average$740 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$689 | Average$1,074 | FlexibilityNo cancel fee | On-time76% |