£187 Cheap flights to Philadelphia
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight to Philadelphia departing on 14/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Save money when you book flights with momondo
Big names, great deals
Big names, great deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customise your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from the United Kingdom to Philadelphia
Cheap return flights
Cheap one-way flights
Cheap last-minute flights
Recent direct flight deals from the United Kingdom to Philadelphia
See travel insights to Philadelphia from
Philadelphia flights insights and trends
Explore insights for your Philadelphia flight to craft the best travel plan
What is the cheapest month to fly to Philadelphia?
If you aren’t able to travel during the month of February, then book flights to Philadelphia from United Kingdom during September instead. Flights to Philadelphia in September, while not as cheap as those in February, still average around £524.
What is the absolute cheapest flight to Philadelphia?
£52 is the cheapest deal found on momondo in the last two weeks for a flight to Philadelphia. This flight is from Miami and is 85% cheaper than most flights to Philadelphia. To find the cheapest price to Philadelphia from your area, use momondo’s Airport-to-Airport Pricing Tool.
See prices from:
What is the cheapest day to depart on your flight to Philadelphia?
Our data shows that Tuesday is the least expensive day to fly to Philadelphia. Tickets to fly out on this day can be as low as £632. On the other hand, Sunday is the most expensive day to depart from United Kingdom because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £693.
What is the cheapest time of day to depart on your flight to Philadelphia?
The cheapest time of day to fly to Philadelphia is in the afternoon when flights can be purchased for as low as £515. In the morning is when there is more demand to fly to Philadelphia, so prices are often more expensive at around £663 per ticket.
Cheapest flights to Philadelphia
Find the cheapest flights to Philadelphia from your nearest city or airport
| CHEAPEST MONTH TO FLY TO PHILADELPHIA FROM LONDON HEATHROW AIRPORT | March | 17% cheaper | Flying from London Heathrow Airport to Philadelphia costs on average just £490 in March |
| MOST EXPENSIVE MONTH TO FLY TO PHILADELPHIA FROM LONDON HEATHROW AIRPORT | July | 22% more expensive | It costs about £715 for flights to Philadelphia from London Heathrow Airport in July |
| MOST POPULAR MONTH TO FLY TO PHILADELPHIA FROM LONDON HEATHROW AIRPORT | July | 175% more users visited | More momondo users searched in flights to Philadelphia from London Heathrow Airport in July than any other month |
Cheap Philadelphia flight deals and tips
Summary info about Philadelphia flight prices, duration and airlines
Best One-Way Price | £187 |
|---|---|
Best Round-Trip Price | £292 |
Fastest flight time | 18h 22m |
Popular in | July |
Frequently asked questions about flying to Philadelphia
When is it best to fly to Philadelphia to go sightseeing?
When planning your flight to Philadelphia, consider that the months of April, May, and September are typically considered the best times to visit if you are looking to go sightseeing. That is when the weather is most cooperative. Sights like University of Pennsylvania and Philadelphia Museum of Art are very popular tourist attractions.
How far in advance should I book a flight to Philadelphia?
Most flyers found that booking tickets 66 days in advance of their planned departure date is the best time to get cheap flights to Philadelphia. During this timeframe, flight prices are around £580. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Philadelphia from United Kingdom for as low as £504 on momondo.
Is there an alternative airport near Philadelphia?
Finding an alternative and possibly cheaper destination airport near Philadelphia is possible. If you are planning a flight to Philadelphia, consider booking flights to Atlantic City Airport (46 mi from Philadelphia city centre), Allentown-Bethlehem Airport (50 mi from Philadelphia city centre) or Newark Airport (73 mi from Philadelphia city centre).
Is there a cheaper alternative to flying into Philadelphia?
With an average price of £85 per person, Allentown-Bethlehem Airport is the cheapest airport to fly into when planning your trip to Philadelphia. This price can fluctuate based on where you are flying from. momondo’s Airport-to-Airport Pricing Tool can help users find the best prices.
When did momondo last update prices for flights to Philadelphia Airport?
Prices for flights to Philadelphia Airport are updated daily.
How many operators does momondo search for flights to Philadelphia Airport?
The number of operators available for flights to Philadelphia Airport is 15 as of April 2025.
How old do you have to be to fly to Philadelphia 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 to Philadelphia Airport.
What documentation or ID do you need to fly to Philadelphia Airport?
The travel and health documents required for your trip to Philadelphia 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 Philadelphia Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
Travelling to a place near Philadelphia?
Book flights to Philadelphia if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal to Philadelphia?
momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights to Philadelphia. Millions of users trust and use momondo every year so you are in good company.
Can I find flights to Philadelphia with flexible booking policies on momondo?
Yes. All flights to Philadelphia on momondo can be compared and filtered by various policies on offer, including flexible booking.
How can momondo help me find flights to Philadelphia?
momondo provides multiple filters to help you find the best flight to Philadelphia. Filter by price, airline, airport, cabin, aircraft, payment method, number of stops and more.
I’m not ready to book a flight to Philadelphia right now. Can momondo alert me if prices change?
Yes. momondo can track flight prices for Philadelphia and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.
Get notified when prices go down
Daily price changes in your inbox - only with Price Alerts.
Find better results for your trip to Philadelphia
Popular Flights to Philadelphia
Popular routes according to searches in the past day on momondo
Cheapest flight routes to Philadelphia
These routes have the cheapest flights to Philadelphia found by momondo users in United Kingdom
| Departing | Destination | Best Time | Best Price |
|---|---|---|---|
| London | Philadelphia | 7h 45m | £292 |
| Edinburgh | Philadelphia | 7h 05m | £364 |
| Manchester | Philadelphia | 10h 30m | £364 |
| Glasgow | Philadelphia | 10h 50m | £482 |
| Newcastle upon Tyne | Philadelphia | 11h 55m | £495 |
| Birmingham | Philadelphia | 13h 45m | £528 |
| Leeds | Philadelphia | 15h 15m | £626 |
| Cardiff | Philadelphia | 36h 00m | £681 |
| Bristol | Philadelphia | 21h 15m | £685 |
| Newquay | Philadelphia | 35h 41m | £690 |
| Inverness | Philadelphia | 49h 41m | £707 |
| Exeter | Philadelphia | 32h 10m | £913 |
| Doncaster | Philadelphia | 39h 10m | £1,736 |