Cheap flights from Pennsylvania to London from $126
This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Pennsylvania to London departing on 5/29. 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 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 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 Pennsylvania, with most prices found around $716. If you’re not able to fly to London Heathrow Airport in October, then January is your next best option. Flight prices from Pennsylvania to London Heathrow Airport during January average around $720.
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 $834. The most expensive day to fly to London Heathrow Airport is Saturday, with ticket prices averaging around $983.
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 at noon. momondo users have found flights departing from Pennsylvania to London Heathrow Airport at noon for as low as $802. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the afternoon are often more expensive with an average ticket price of $906.
What is the cheapest Pennsylvania to London Heathrow flight route?
Fly from Philadelphia to London Heathrow for the best Pennsylvania - 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 Pennsylvania when booking 18 weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around $849 when searching 18 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from Pennsylvania for as low as $766 on momondo.
What cabin class options are available on Pennsylvania to London Heathrow flights?
There are 4 cabin classes available to choose from on Pennsylvania 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 Pennsylvania to London Heathrow?
Icelandair, TAP AIR PORTUGAL, and British Airways are the most popular carriers operating from Pennsylvania 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 Pennsylvania according to our data. British Airways is the first choice among our users, with 46% of people opting to fly with this airline when traveling to London Heathrow Airport. Keep in mind that there are 12 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 Pennsylvania to London Heathrow Airport on average per day?
The number of flights available between Pennsylvania and London Heathrow Airport is 205 per day as of May 2025. The most frequent departure time is 6:00PM, with 100% of daily flights leaving in the evening.
How many flights depart from Pennsylvania to London Heathrow Airport on average per week?
The number of flights available between Pennsylvania and London Heathrow Airport is 1,435 per week as of May 2025. The most frequent departure day is Wed, with 15% of weekly flights leaving on this day.
Cheap Pennsylvania to London Heathrow Airport flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Pennsylvania to London Heathrow Airport
When did momondo last update prices for flights from Pennsylvania to London Heathrow Airport?
Prices for flights from Pennsylvania to London Heathrow Airport refresh daily.
How many operators does momondo search for flights from Pennsylvania to London Heathrow Airport?
The number of operators available for flights from Pennsylvania to London Heathrow Airport is 22 as of May 2025.
How old do you have to be to fly from Pennsylvania to London Heathrow Airport?
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 Heathrow Airport.
What documentation or ID do you need to fly to London Heathrow Airport?
The travel and health documents required for your trip to London Heathrow Airport 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 Heathrow Airport. 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 Heathrow Airport?
momondo data reveals that the most frequently booked plane model on the route from Pennsylvania to London Heathrow Airport is Boeing 787-9 Dreamliner, representing 43.47% of all bookings. The subsequent popular models are Airbus A350-1000 at 37.31%, Boeing 787-8 Dreamliner at 9.49%, and Boeing 787-10 Dreamliner at 3.77%.
Best airlines flying from Pennsylvania to London Heathrow Airport
Compare and see reviews for airlines that fly from Pennsylvania to London Heathrow Airport with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $501 | Free Cancellation | Rating 7.4 643 reviews | |||
| PriceFrom $503 | Free Cancellation | Rating 7.0 487 reviews | |||
| PriceFrom $533 | Free Cancellation | Rating 8.0 7,934 reviews | |||
| PriceFrom $547 | Free Cancellation | Rating 7.3 2,922 reviews | |||
| PriceFrom $575 | Free Cancellation | Rating 7.4 8,696 reviews | |||
| PriceFrom $587 | Free Cancellation | Rating 7.0 1,076 reviews | |||
| PriceFrom $604 | Free Cancellation | Rating 7.6 1,275 reviews | |||
| PriceFrom $612 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $612 | Free Cancellation | Rating 7.0 2,701 reviews | |||
| PriceFrom $637 | Free Cancellation | Rating 6.6 6,842 reviews |
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Why should I use momondo to find a flight deal from Pennsylvania to London?
Finding the right flight to London from Pennsylvania 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 London quick and easy, saving you time and money.
Can I find flights from Pennsylvania to London with flexible booking policies on momondo?
All flight searches from Pennsylvania to London on momondo can be filtered to show those which offer flexible booking policies.
How can momondo help me find flights from Pennsylvania 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 Pennsylvania to London.
I’m not ready to book a flight from Pennsylvania to London right now. Can momondo alert me if prices change?
Yes. momondo can track prices for Pennsylvania to London flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.