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 | $576 (lol.travel) |
One-way from | $221 (Kiwi.com) |
Popular in | June |
Cheapest in | October |
Average price | $698 |
Good round-trip deal | $718 or less |
Good one-way deal | $524 or less |
Fly from
Fly to
Route
Depart
Return
Price
PittsburghLondon
PIT - LHR
PITLHR
Pittsburgh
Wed 11/19
5:00 pm-9:20 am
1 stop11h 20m
London Heathrow
Wed 12/3
6:20 am-5:39 pm
2 stops16h 19m
PittsburghLondon
PIT - LHR
PITLHR
Pittsburgh
Mon 11/10
10:10 am-6:25 am
1 stop15h 15m
London Heathrow
Thu 11/20
6:20 am-4:12 pm
2 stops14h 52m
PittsburghLondon
PIT - LHR
PITLHR
Pittsburgh
Wed 1/7
1:55 pm-9:00 am
1 stop14h 05m
London Heathrow
Wed 1/14
6:20 am-5:19 pm
2 stops15h 59m
PittsburghLondon
PIT - LHR
PITLHR
Pittsburgh
Mon 11/10
1:50 pm-5:40 pm
2 stops22h 50m
London Heathrow
Thu 11/20
6:40 am-12:21 am
2 stops22h 41m
PittsburghLondon
PIT - LHR
PITLHR
Pittsburgh
Wed 1/28
7:05 am-4:00 pm
2 stops27h 55m
London Heathrow
Mon 2/9
6:40 am-11:35 pm
2 stops21h 55m
PittsburghLondon
PIT - LHR
PITLHR
Pittsburgh
Tue 11/4
6:15 am-6:40 am
1 stop19h 25m
London Heathrow
Tue 11/11
6:35 am-11:34 pm
2 stops21h 59m
PittsburghLondon
PIT - LHR
PITLHR
Pittsburgh
Mon 11/10
6:01 am-9:20 pm
1 stop10h 19m
London Heathrow
Tue 11/18
1:25 pm-2:02 pm
2 stops29h 37m
PittsburghLondon
PIT - LHR
PITLHR
Pittsburgh
Mon 11/10
6:00 am-8:45 pm
1 stop9h 45m
London Heathrow
Wed 11/19
7:25 am-4:42 pm
1 stop14h 17m
PittsburghLondon
PIT - LHR
PITLHR
Pittsburgh
Sun 12/7
11:26 am-5:40 pm
2 stops25h 14m
London Heathrow
Wed 12/10
9:05 pm-9:27 pm
3 stops29h 22m
PittsburghLondon
PIT - LHR
PITLHR
Pittsburgh
Mon 11/10
5:00 pm-8:05 am
1 stop10h 05m
London Heathrow
Mon 11/24
6:20 am-4:12 pm
2 stops14h 52m
| 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*3 stars | |
| Price Accuracy2 stars | Trust Score*2 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 $960). 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.
A simple way to save on the total cost of your ticket is to fly from Pittsburgh to London Heathrow Airport in the morning. If you’re flexible enough to do this you can expect to save up to 11% on your trip compared to booking a flight at noon.
Travelers seeking maximum savings on their Pittsburgh to London Heathrow Airport flight should consider departing on Wednesday at noon when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Comfort
Entertainment
Food
Overall
Boarding
Crew
Reviews
Jeremy,Sep 2025
SAN - PHL
Comfort
Entertainment
Food
Overall
Boarding
Crew
Reviews
Jeremy,Sep 2025
SAN - PHL
Comfort
Entertainment
Food
Overall
Boarding
Crew
Reviews
Jeremy,Sep 2025
SAN - PHL
Comfort
Entertainment
Food
Overall
Boarding
Crew
Reviews
Jeremy,Sep 2025
SAN - PHL
Comfort
Entertainment
Food
Overall
Boarding
Crew
Reviews
Jeremy,Sep 2025
SAN - PHL
Comfort
Entertainment
Food
Overall
Boarding
Crew
Reviews
Jeremy,Sep 2025
SAN - PHL
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$219 | Average$740 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$492 | Average$737 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$505 | Average$678 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$595 | Average$823 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$644 | Average$851 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$656 | Average$819 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$704 | Average$901 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$715 | Average$855 | FlexibilityNo cancel fee | On-time76% |