Cheap flights from Pennsylvania to London from $125
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 9/25. 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 $664, 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 $683.
What is the cheapest day to depart on your flight to London?
The cheapest day to depart from Pennsylvania to London is on a Wednesday. Travelers who choose to depart for London on a Wednesday will often find tickets for as low as $804. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $983. These prices are subject to change though, so be sure to set up a Price Alert for flights to London.
What is the cheapest time of day to depart on your flight to London?
Flying to London from Pennsylvania at noon is the least expensive time of day to depart. momondo users have found prices as low as $764 when looking at flights departing at noon. Flights to London are more costly in the afternoon, with an average ticket price of $890. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.
What is the cheapest Pennsylvania to London flight route?
Fly from Pittsburgh 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 $844 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 $728 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
What airlines fly to London?
British Airways, Iberia and American Airlines 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 47% of people opting to fly with this airline when traveling to London. Keep in mind that there are 10 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?
The number of flights available between Pennsylvania and London is 202 per day as of June 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 on average per week?
The number of flights available between Pennsylvania and London is 1,418 per week as of June 2025. The most frequent departure day is Wed, with 15% of weekly flights leaving 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
When did momondo last update prices for flights from Pennsylvania to London?
Prices for flights from Pennsylvania to London refresh daily.
How many operators does momondo search for flights from Pennsylvania to London?
The number of operators available for flights from Pennsylvania to London is 22 as of June 2025.
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?
momondo data reveals that the most frequently booked plane model on the route from Pennsylvania to London is Boeing 787-9 Dreamliner, representing 45.38% of all bookings. The subsequent popular models are Airbus A350-1000 at 37.35%, Boeing 787-8 Dreamliner at 9.21%, and Boeing 787-10 Dreamliner at 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 $487 | Free Cancellation | Rating 7.0 499 reviews | |||
| PriceFrom $533 | Free Cancellation | Rating 8.0 7,963 reviews | |||
| PriceFrom $546 | Free Cancellation | Rating 7.3 2,922 reviews | |||
| PriceFrom $560 | Free Cancellation | Rating 6.6 7,019 reviews | |||
| PriceFrom $587 | Free Cancellation | Rating 7.1 1,118 reviews | |||
| PriceFrom $588 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $604 | Free Cancellation | Rating 7.6 1,292 reviews | |||
| PriceFrom $608 | Free Cancellation | Rating 7.1 9,553 reviews | |||
| PriceFrom $611 | Free Cancellation | Rating 7.0 2,778 reviews | |||
| PriceFrom $634 | Free Cancellation | Rating 7.4 8,801 reviews |
Traveling to a place near London?
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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?
Flights from Pennsylvania 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 Pennsylvania to London?
Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to London from Pennsylvania.
I’m not ready to book a flight from Pennsylvania to London right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of Pennsylvania to London flights. All you need is a valid email address and we will do the rest; it is that quick and easy.