$339 Cheap Delta flights Portland (PDX) to London (LHR)

View $339 flight on Tue, Sep 8, 2026Opens in a new window

$339 Cheap Delta flights Portland (PDX) to London (LHR)

Prices were available within the past 7 days and start at $339 for one-way flights and $907 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, Sep 8 - Wed, Sep 16
PDX
Portland
LHR
London
$907 Roundtrip, found 21 hours ago
$907
Roundtrip
found 21 hours ago
Select Delta flight, departing Tue, Sep 8 from Portland to London, returning Wed, Sep 16, priced at $907 found 21 hours ago
Delta
Tue, Sep 8 - Wed, Sep 16
PDX
Portland
LHR
London
$917 Roundtrip, found 21 hours ago
$917
Roundtrip
found 21 hours ago
Select Delta flight, departing Tue, Sep 8 from Portland to London, returning Wed, Sep 16, priced at $917 found 21 hours ago
Delta
Thu, Aug 20 - Thu, Aug 27
PDX
Portland
LHR
London
$929 Roundtrip, found 1 day ago
$929
Roundtrip
found 1 day ago
Select Delta flight, departing Thu, Aug 20 from Portland to London, returning Thu, Aug 27, priced at $929 found 1 day ago
Delta
Thu, Aug 20 - Thu, Aug 27
PDX
Portland
LHR
London
$968 Roundtrip, found 1 day ago
$968
Roundtrip
found 1 day ago
Select Delta flight, departing Thu, Aug 20 from Portland to London, returning Thu, Aug 27, priced at $968 found 1 day ago
Delta
Tue, Sep 8 - Wed, Sep 16
PDX
Portland
LHR
London
$971 Roundtrip, found 21 hours ago
$971
Roundtrip
found 21 hours ago
Select Delta flight, departing Tue, Sep 8 from Portland to London, returning Wed, Sep 16, priced at $971 found 21 hours ago
Delta
Thu, Aug 20 - Thu, Aug 27
PDX
Portland
LHR
London
$972 Roundtrip, found 1 day ago
$972
Roundtrip
found 1 day ago
Select Delta flight, departing Thu, Aug 20 from Portland to London, returning Thu, Aug 27, priced at $972 found 1 day ago
Delta
Tue, Sep 8 - Wed, Sep 16
PDX
Portland
LHR
London
$985 Roundtrip, found 21 hours ago
$985
Roundtrip
found 21 hours ago
Select Delta flight, departing Tue, Sep 8 from Portland to London, returning Wed, Sep 16, priced at $985 found 21 hours ago

Find the cheapest month to fly from Portland (PDX) to London (LHR)

April is typically the cheapest month to fly

From $604 - $1,554 per traveler.

Travel information

Origin airport
Portland Intl.
Destination airport
Heathrow
Airlines serving
Aer Lingus, Air Canada, Air France, Alaska Airlines, American Airlines, British Airways, Brussels Airlines, Delta, Finnair, Iberia, Icelandair, JetBlue Airways, KLM, Lufthansa, United, Virgin Atlantic
Popular airline
Alaska Airlines
Distance
7839 km
Average flight time
9 hours 30 mins

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