Cheap flights from Pennsylvania to London from £92
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Pennsylvania to London departing on 25/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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How to get the cheapest flight ticket from Pennsylvania 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 cheapest month to fly to London?
The cheapest month to fly to London from Pennsylvania is in February. Flight prices, which tend to average around £489, are often lower during this time because this is during the off-season. The month of October is another great option to travel to London, with average flight prices from Pennsylvania averaging around £503.
What is the cheapest day to depart on your flight to London?
Our data shows that Tuesday is the least expensive day to fly to London. Tickets to fly out on this day can be as low as £521. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from Pennsylvania to London for around £739.
What is the cheapest time of day to depart on your flight to London?
The cheapest time of day to fly to London is in the morning when flights can be purchased for as low as £490. Flights at midday are often more expensive, with an average ticket price of £728.
What is the cheapest Pennsylvania to London flight route?
Fly from Philadelphia to London Heathrow for the best Pennsylvania - London flight prices
How far in advance should I book a flight to London?
You are more likely to see cheaper flights to London from Pennsylvania when booking 18 weeks ahead of your departure date. In general, you can expect to find flights to London for around £622 when searching 18 weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from Pennsylvania for as low as £536 on momondo.
What cabin class options are available on Pennsylvania to London flights?
There are 3 cabin classes available to choose from on Pennsylvania to London 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 Pennsylvania to London?
Norse Atlantic UK, Icelandair, and TAP AIR PORTUGAL are the most popular carriers operating from Pennsylvania to London
Which airlines fly to London?
British Airways, JetBlue and Iberia are the top three most popular airlines that fly to London from Pennsylvania according to our data. British Airways is the first choice among our users, with 66% of people opting to fly with this airline when travelling to London. Keep in mind that there are 4 different airlines that fly to London on a routine basis, so you have a few additional options to choose from.
How many flights depart from Pennsylvania to London on average per day?
202 flights are operational daily from Pennsylvania to London as of June 2025. The most popular departure time for this route is 18:00, with 100% of flights per day taking off in the evening.
How many flights depart from Pennsylvania to London on average per week?
As of June 2025, there are 1,418 flights per week flying from Pennsylvania to London. The most common day of the week flights depart is Wed, with 15% of flights taking off on this day.
Cheap Pennsylvania to London flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Pennsylvania to London
Best price found | £92 |
|---|---|
Fastest flight time | 6h 45m |
Direct flights | Tue, Wed, Thu, Fri, Sat and Sun |
Airports in London | 2 airports |
When did momondo last update prices for flights from Pennsylvania to London?
Prices for flights from Pennsylvania to London are updated daily.
How many operators does momondo search for flights from Pennsylvania to London?
As of June 2025, there are 13 operators available to choose from for flights from Pennsylvania to London.
How old do you have to be to fly from Pennsylvania 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 Pennsylvania to London.
What documentation or ID do you need to fly to London?
The travel and health documents required for your trip to London can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at London. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Pennsylvania to London?
Based on momondo bookings for flights between Pennsylvania and London, the leading plane model is Boeing 787-9 Dreamliner, making up 45.38% of the total bookings. Other popular models include Airbus A350-1000 with 37.35%, Boeing 787-8 Dreamliner with 9.21%, and Boeing 787-10 Dreamliner with 2.91%.
Best airlines flying from Pennsylvania to London
Compare and see reviews for airlines that fly from Pennsylvania to London with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom £422 | Free Cancellation | Rating 7.3 2,922 reviews | |||
| PriceFrom £429 | Free Cancellation | Rating 7.0 2,778 reviews | |||
| PriceFrom £463 | Free Cancellation | Rating 6.6 7,028 reviews | |||
| PriceFrom £487 | Free Cancellation | Rating 7.1 1,118 reviews |
Travelling 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 Pennsylvania 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 Pennsylvania.
Can I find flights from Pennsylvania to London with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for Pennsylvania to London flights to just show those with flexible booking policies.
How can momondo help me find flights from Pennsylvania to London?
Once you have performed a search for Pennsylvania to London flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.
I’m not ready to book a flight from Pennsylvania to London right now. Can momondo alert me if prices change?
If you are not ready to book a flight from Pennsylvania to London now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to London and let you know when they change.