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.
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
Cheap one-way flights
Cheap last minute flights
Cheap direct flights
Icelandair flights from Pittsburgh to London Heathrow Airport
Our best Icelandair deals on Pittsburgh to London Heathrow Airport flight tickets
Air Canada flights from Pittsburgh to London Heathrow Airport
Our best Air Canada deals on Pittsburgh to London Heathrow Airport flight tickets
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.
What is the cheapest airline that flies from Pittsburgh to London Heathrow?
Icelandair and JetBlue are the most popular carriers operating from Pittsburgh to London Heathrow
What airlines fly to London Heathrow Airport?
British Airways, American Airlines and Iberia are the top three most popular airlines that fly to London Heathrow Airport from Pittsburgh according to our data. British Airways is the first choice among our users, with 54% of people opting to fly with this airline when traveling to London Heathrow Airport. Keep in mind that there are 9 different airlines that fly to London Heathrow Airport on a routine basis, so you have a few additional options to choose from.
How many flights depart from Pittsburgh to London Heathrow Airport on average per day?
As of June 2025, there are 4 flights per day flying from Pittsburgh to London Heathrow Airport. The most common time of day flights depart is 9:00PM, with 100% of flights taking off in the evening.
How many flights depart from Pittsburgh to London Heathrow Airport on average per week?
The number of flights available between Pittsburgh and London Heathrow Airport is 33 per week as of June 2025. The most frequent departure day is Wed, with 18% of weekly flights leaving on this day.
When to book flights from Pittsburgh to London Heathrow Airport
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
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?
There are 9 operators available for flights from Pittsburgh Airport to London Heathrow Airport as of June 2025.
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?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Pittsburgh to London Heathrow Airport is Boeing 787-8 Dreamliner (46.08% of total bookings). The next most popular plane models are Boeing 787-9 Dreamliner (29.76%), Boeing 787-10 Dreamliner (21.63%), and Airbus A320 (sharklets) (0.53%).
What is the most popular airline from Pittsburgh to London Heathrow Airport?
Based on momondo bookings for flights between Pittsburgh and London Heathrow Airport, the leading airline is British Airways, making up 49% of the total bookings. Other popular airlines include American Airlines with 20%, Iberia with 16%, and JetBlue with 6%.
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 | ||
|---|---|---|---|---|---|
| PriceFrom $484 | Free Cancellation | Rating 7.0 513 reviews | |||
| PriceFrom $533 | Free Cancellation | Rating 8.0 7,973 reviews | |||
| PriceFrom $563 | Free Cancellation | Rating 7.3 2,920 reviews | |||
| PriceFrom $604 | Free Cancellation | Rating 7.6 1,299 reviews | |||
| PriceFrom $608 | Free Cancellation | Rating 7.1 9,654 reviews | |||
| PriceFrom $612 | Free Cancellation | Rating 7.0 2,810 reviews | |||
| PriceFrom $637 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $637 | Free Cancellation | Rating 6.6 7,081 reviews | |||
| PriceFrom $661 | Free Cancellation | Rating 7.4 8,852 reviews |
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 locationsWhy 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.