Flights from Philadelphia to London

Compare 800+ airlines · Book direct · No Mubboo fees

We don't sell anything. We compare — you choose the best deal.

Airlines flying Philadelphia to London

AAAmerican Airlines

Approximate: $520-$1,100 economy round trip; Flagship Business roughly $2,800-$5,500+ seasonal — verify on Aviasales before booking

Direct · 7h 0m eastbound / 8h 10m-8h 40m westbound (jet-stream asymmetry)

BABritish Airways

Approximate: $540-$1,150 economy round trip; Club Suite roughly $3,000-$6,000+ seasonal — verify on Aviasales before booking

Direct · 6h 55m eastbound / 8h 15m-8h 45m westbound

AAAmerican Airlines (summer-peak rotation)

Approximate: $520-$1,100 economy round trip; tracks the primary AA fare ladder — verify on Aviasales before booking

Direct · 7h 0m eastbound / 8h 10m-8h 40m westbound

Visa for London

🟡 eTA / ESTA required

UK ETA required for US passport holders — £20, stays up to 6 months

Full London visa guide →

Travel insurance

Protect your Philadelphia to London trip against delays, cancellations, and medical emergencies. US travelers can compare plans from top insurers.

✈️ Flight delayed or cancelled?

Claim up to $700 per passenger for qualifying delays onPhiladelphia to London routes. Free to check — no win, no fee.

Check eligibility free →
Planning a trip to London?Hotels from $18/nt|Tours from $16

More resources

Mubboo earns a commission when you book through our links. This does not affect the prices you see or our recommendations. Final prices are confirmed on the booking site.