$354 Cheap Delta flights Philadelphia (PHL) to London (LHR)

View $354 flight on Tue, Mar 23, 2027Opens in a new window

$354 Cheap Delta flights Philadelphia (PHL) to London (LHR)

Prices were available within the past 7 days and start at $354 for one-way flights and $1,029 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, Mar 23 - Sat, Apr 3
PHL
Philadelphia
LHR
London
$1,029 Roundtrip, found 3 days ago
$1,029
Roundtrip
found 3 days ago
Select Delta flight, departing Tue, Mar 23 from Philadelphia to London, returning Sat, Apr 3, priced at $1,029 found 3 days ago
Delta
Fri, May 29 - Mon, Jun 8
PHL
Philadelphia
LHR
London
$1,254 Roundtrip, found 1 day ago
$1,254
Roundtrip
found 1 day ago
Select Delta flight, departing Fri, May 29 from Philadelphia to London, returning Mon, Jun 8, priced at $1,254 found 1 day ago

Alternative airports near London

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Heathrow LHR. Cheapest option available. Average driving time to city center is 28 minutes. Flights from $1,018
LHR
Heathrow
Cheapest
Average driving time to city center28 min
Flights from $1,018

Find the cheapest month to fly from Philadelphia (PHL) to London (LHR)

September is typically the cheapest month to fly

From $828 - $991 per traveler.

Travel information

Origin airport
Philadelphia Intl.
Destination airport
Heathrow
Airlines serving
Aer Lingus, Air Canada, Air France, American Airlines, British Airways, Delta, Finnair, Iberia, JetBlue Airways, KLM, United, Virgin Atlantic
Popular airline
Delta
Distance
5656 km
Average flight time
12 hours 16 mins

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