Cheap Flights from Philadelphia to London — $283

Philadelphia International Airport (PHL) is the region’s primary international hub, serving a mix of full-service carriers and several low-cost airlines; it typically handles both connecting traffic and point-to-point flights across the U.S., Canada and parts of Europe. Located about 7 miles southwest of downtown Philadelphia, travel time to the city center is usually 20–30 minutes by taxi or rideshare, while SEPTA Regional Rail and Airport Line trains can take roughly 25–30 minutes; fares generally range from budget-friendly transit prices to mid-range taxi or ride fares. Pros: multiple terminals with ample amenities and frequent ground-transit options. Cons: can be busy during peak hours and security lines may be longer than at smaller airports.

Fly direct from Philadelphia to London for the quickest, most comfortable way to cross the Atlantic—land in the heart of the UK without the hassle of transfers. Direct flights save hours and reduce travel stress, though you may occasionally find cheaper options with connections; if time and convenience matter, booking nonstop is often worth it.

London is served by several distinct airports that together cover premium international hubs, leisure-focused gateways and budget-friendly options. Heathrow (LHR) is typically the main international hub handling long-haul and premium carriers and can be perceived as pricier; it lies about 15–20 miles west of central London with the Heathrow Express taking roughly 15–20 minutes to Paddington (tickets usually cost more than regular rail). Gatwick (LGW) often hosts a mix of full-service and low-cost airlines, sits around 30–35 miles south of the city and is reachable by train in 30–35 minutes or coach in 60–90 minutes at lower fares. Stansted (STN) and Luton (LTN) are commonly associated with budget carriers, are farther out (roughly 35–45 miles) and tend to offer cheaper flights but longer transfers: express trains to central London can take 30–50 minutes while buses or coaches may take 60–90 minutes at lower cost. London City (LCY) serves business travelers with close-in convenience—about 6 miles from the centre with Docklands Light Railway and river taxi options taking 20–30 minutes—though it usually has fewer budget choices and stricter aircraft size limits. Pros across the network include broad route coverage and frequent services; cons can be variable transfer times, peak congestion, and differing additional fees depending on carrier and airport.

More than 5 airlines operate flights from Philadelphia to London, including British Airways, American Airlines, JetBlue Airways, Air Canada, and Aer Lingus. This is a popular route, so passengers can choose tickets based on budget and preferences. Ticket prices start from $283, and our service lets you instantly compare all options. The variety of offers simplifies planning: you can choose budget fares or more comfortable options with baggage included or extra services. We help you find the best deals so your trip is cost-efficient.

The cost of a one-way flight from Philadelphia to London ranges from $212 (April 2026) to $487 (January 2027). On average, the ticket price is about $367–$889.