Cheap flights from London to Pennsylvania from £143
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London to Pennsylvania departing on 8/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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How to get the cheapest flight ticket from London to Pennsylvania
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 Pennsylvania?
In general, February is the cheapest month to fly from London to Pennsylvania. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £488. If you don’t want to visit Pennsylvania in February, then you should wait until September to fly from London, when ticket prices are also cheap, with an average price of £498.
What is the cheapest day to depart on your flight to Pennsylvania?
According to our data, Tuesday is the cheapest day to fly to Pennsylvania from London. The lowest ticket price found for a Tuesday departure recently was £607. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. The most expensive day to fly to Pennsylvania is Sunday, with ticket prices averaging around £660.
What is the cheapest time of day to depart on your flight to Pennsylvania?
Flying to Pennsylvania from London in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as £493 when looking at flights departing in the afternoon. In contrast, the most expensive time of day to depart to Pennsylvania is in the morning when prices are around £636.
What is the cheapest London to Pennsylvania flight route?
Fly from London Heathrow to Philadelphia for the best London - Pennsylvania flight prices
How far in advance should I book a flight to Pennsylvania?
You are more likely to see cheaper flights to Pennsylvania from London when booking 16 weeks ahead of your departure date. In general, you can expect to find flights to Pennsylvania for around £559 when searching 16 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Pennsylvania from London for as low as £508 on momondo.
What cabin class options are available on London to Pennsylvania flights?
There are 3 cabin classes available to choose from on London to Pennsylvania 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 London to Pennsylvania?
Vueling, Norse Atlantic UK, and Iberia are the most popular carriers operating from London to Pennsylvania
Which airlines fly to Pennsylvania?
British Airways, Finnair and Iberia are the top three most popular airlines that fly to Pennsylvania from London according to our data. British Airways is the first choice among our users, with 65% of people opting to fly with this airline when travelling to Pennsylvania. Keep in mind that there are 11 different airlines that fly to Pennsylvania on a routine basis, so you have a few additional options to choose from.
How many flights depart from London to Pennsylvania on average per day?
The number of flights available between London and Pennsylvania is 160 per day as of June 2025. The most frequent departure time is 10:00, with 74% of daily flights leaving in the afternoon.
How many flights depart from London to Pennsylvania on average per week?
The number of flights available between London and Pennsylvania is 1,124 per week as of June 2025. The most frequent departure day is Wed, with 16% of weekly flights leaving on this day.
Cheap London to Pennsylvania flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from London to Pennsylvania
Best price found | £143 |
|---|---|
Fastest flight time | 7h 34m |
Direct flights | Every day |
Airports in Pennsylvania | 2 airports |
When did momondo last update prices for flights from London to Pennsylvania?
Prices for flights from London to Pennsylvania are refreshed on a daily basis.
How many operators does momondo search for flights from London to Pennsylvania?
As of June 2025, there are 23 operators available to choose from for flights from London to Pennsylvania.
How old do you have to be to fly from London to Pennsylvania?
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 London to Pennsylvania.
What documentation or ID do you need to fly to Pennsylvania?
The travel and health documents you'll need for your trip to Pennsylvania 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 Pennsylvania. 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 London to Pennsylvania?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from London to Pennsylvania is Airbus A350-1000 (46.35% of total bookings). The next most popular plane models are Boeing 787-9 Dreamliner (7.98%), Airbus A319 (7.31%), and Boeing 787-8 Dreamliner (6.32%).
Best airlines flying from London to Pennsylvania
Compare and see reviews for airlines that fly from London to Pennsylvania with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom £298 | Free Cancellation | Rating 7.4 8,790 reviews | |||
| PriceFrom £331 | Free Cancellation | Rating 7.0 499 reviews | |||
| PriceFrom £333 | Free Cancellation | Rating 7.1 9,539 reviews | |||
| PriceFrom £350 | Free Cancellation | Rating 7.3 2,925 reviews | |||
| PriceFrom £407 | Free Cancellation | Rating 6.7 7,139 reviews | |||
| PriceFrom £427 | Free Cancellation | Rating 6.6 7,011 reviews | |||
| PriceFrom £439 | Free Cancellation | Rating 7.6 1,290 reviews | |||
| PriceFrom £448 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom £458 | Free Cancellation | Rating 7.4 652 reviews | |||
| PriceFrom £459 | Free Cancellation | Rating 7.1 1,118 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from London to Pennsylvania?
Finding the right flight to Pennsylvania from London is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Pennsylvania quick and easy, saving you time and money.
Can I find flights from London to Pennsylvania with flexible booking policies on momondo?
Flights from London to Pennsylvania 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 London to Pennsylvania?
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 London to Pennsylvania.
I’m not ready to book a flight from London to Pennsylvania right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of London to Pennsylvania flights. All you need is a valid email address and we will do the rest; it is that quick and easy.