Question 1

What is the cheapest time of day to depart on your flight to United Kingdom?

Accepted Answer

The cheapest time of day to fly to United Kingdom is in the morning when flights can be purchased for as low as £491. Try not to purchase tickets at midday because they tend to be around £729. Of course, these prices can vary depending on the time of year and what airport you fly to.

Question 2

How many flights depart from Pennsylvania to United Kingdom on average per week?

Accepted Answer

As of August 2025, there are 1,186 flights per week flying from Pennsylvania to United Kingdom. The most common day of the week flights depart is Fri, with 15% of flights taking off on this day.

Question 3

How long is the flight from Pennsylvania to United Kingdom?

Accepted Answer

The flight from Pennsylvania to United Kingdom depends on which airports you’re departing from and arriving to, and whether or not you have a layover. If you fly from Philadelphia (a popular airport in Pennsylvania) to London Heathrow Airport (the most popular airport in United Kingdom), then the flight time is 7h on average. If you fly from Pittsburgh (another popular airport in Pennsylvania) to London Heathrow Airport, then the average flight time is 7h 20m.

Question 4

What cabin class options are available on Pennsylvania to United Kingdom flights?

Accepted Answer

There are 3 cabin classes available to choose from on Pennsylvania to United Kingdom flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Question 5

How far in advance should I book a flight to United Kingdom?

Accepted Answer

You are more likely to see cheaper flights to United Kingdom from Pennsylvania when booking weeks ahead of your departure date. In general, you can expect to find flights to United Kingdom for around £609 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to United Kingdom from Pennsylvania for as low as £533 on momondo.

Question 6

How many flights depart from Pennsylvania to United Kingdom on average per day?

Accepted Answer

As of August 2025, there are 169 flights per day flying from Pennsylvania to United Kingdom. The most common time of day flights depart is 19:00, with 100% of flights taking off in the evening.

Question 7

What is the cheapest month to fly to United Kingdom?

Accepted Answer

The cheapest month to fly to United Kingdom 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. If you are unable to visit United Kingdom during the month of February, then departing from Pennsylvania during the month September is also very affordable. Most momondo users find prices during this month for around £502.

Question 8

What is the cheapest airline that flies from Pennsylvania to United Kingdom?

Accepted Answer

Norse Atlantic UK and TAP AIR PORTUGAL are the most popular carriers operating from Pennsylvania to United Kingdom

Question 9

Which airlines fly to United Kingdom?

Accepted Answer

British Airways, Aer Lingus and JetBlue are the top three most popular airlines that fly to United Kingdom from Pennsylvania according to our data. British Airways is the first choice among our users, with 75% of people opting to fly with this airline when travelling to United Kingdom. Keep in mind that there are 6 different airlines that fly to United Kingdom on a routine basis, so you have a few additional options to choose from.

Question 10

Can stopping save me money on Pennsylvania to United Kingdom flights?

Accepted Answer

You could potentially save up to 58% on your flight if you consider stops on a Pennsylvania to United Kingdom flight.

Question 11

What is the cheapest day to depart on your flight to United Kingdom?

Accepted Answer

The cheapest day to depart from Pennsylvania to United Kingdom is on a Tuesday. Travellers who choose to depart for United Kingdom on a Tuesday will often find tickets for as low as £496. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from Pennsylvania to United Kingdom for around £740.

Question 12

What is the cheapest Pennsylvania to United Kingdom flight route?

Accepted Answer

Fly from Philadelphia to London Heathrow for the best Pennsylvania - United Kingdom flight prices

Question 13

When did momondo last update prices for flights from Pennsylvania to United Kingdom?

Accepted Answer

Prices for flights from Pennsylvania to United Kingdom are updated daily.

Question 14

How many operators does momondo search for flights from Pennsylvania to United Kingdom?

Accepted Answer

As of August 2025, there are 12 operators available to choose from for flights from Pennsylvania to United Kingdom.

Question 15

How old do you have to be to fly from Pennsylvania to United Kingdom?

Accepted Answer

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Pennsylvania to United Kingdom.

Question 16

What documentation or ID do you need to fly to United Kingdom?

Accepted Answer

The required travel and health documents for your United Kingdom trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at United Kingdom. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Airline	Rating	Free Cancellation	Price
JetBlue	PriceFrom £423	Free Cancellation	Rating 7.2 2,916 reviews	Search JetBlue flights
British Airways	PriceFrom £439	Free Cancellation	Rating 6.6 7,267 reviews	Search British Airways flights
Iberia	PriceFrom £457	Free Cancellation	Rating 7.0 2,884 reviews	Search Iberia flights
Virgin Atlantic	PriceFrom £459	Free Cancellation	Rating 7.4 657 reviews	Search Virgin Atlantic flights
Aer Lingus	PriceFrom £488	Free Cancellation	Rating 7.1 1,215 reviews	Search Aer Lingus flights
American Airlines	PriceFrom £504	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights

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How to get the cheapest flight ticket from Pennsylvania to United Kingdom

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What is the cheapest month to fly to United Kingdom?

What is the cheapest day to depart on your flight to United Kingdom?

What is the cheapest time of day to depart on your flight to United Kingdom?

The cheapest time of day to fly to United Kingdom is in the morning when flights can be purchased for as low as £491. Try not to purchase tickets at midday because they tend to be around £729. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Pennsylvania to United Kingdom flight route?

Fly from Philadelphia to London Heathrow for the best Pennsylvania - United Kingdom flight prices

How far in advance should I book a flight to United Kingdom?

What cabin class options are available on Pennsylvania to United Kingdom flights?

There are 3 cabin classes available to choose from on Pennsylvania to United Kingdom flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Pennsylvania to United Kingdom flights?

You could potentially save up to 58% on your flight if you consider stops on a Pennsylvania to United Kingdom flight.

What is the cheapest airline that flies from Pennsylvania to United Kingdom?

Norse Atlantic UK and TAP AIR PORTUGAL are the most popular carriers operating from Pennsylvania to United Kingdom

Which airlines fly to United Kingdom?

How many flights depart from Pennsylvania to United Kingdom on average per day?

As of August 2025, there are 169 flights per day flying from Pennsylvania to United Kingdom. The most common time of day flights depart is 19:00, with 100% of flights taking off in the evening.

How many flights depart from Pennsylvania to United Kingdom on average per week?

As of August 2025, there are 1,186 flights per week flying from Pennsylvania to United Kingdom. The most common day of the week flights depart is Fri, with 15% of flights taking off on this day.

How long is the flight from Pennsylvania to United Kingdom?

When did momondo last update prices for flights from Pennsylvania to United Kingdom?

How many operators does momondo search for flights from Pennsylvania to United Kingdom?

How old do you have to be to fly from Pennsylvania to United Kingdom?

What documentation or ID do you need to fly to United Kingdom?

What is the most popular plane model from Pennsylvania to United Kingdom?

Best airlines flying from Pennsylvania to United Kingdom

Compare and see reviews for airlines that fly from Pennsylvania to United Kingdom with momondo

Why use momondo?

Why should I use momondo to find a flight deal from Pennsylvania to United Kingdom?

Can I find flights from Pennsylvania to United Kingdom with flexible booking policies on momondo?

How can momondo help me find flights from Pennsylvania to United Kingdom?

I’m not ready to book a flight from Pennsylvania to United Kingdom right now. Can momondo alert me if prices change?

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