Flights from Portland to Dorchester

Cheapest flights from Portland

These prices were available within the past 7 days. Prices quoted are per person, round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Oct 11 - Fri, Nov 14

PDX

Portland Intl.

LHR

Heathrow

$523 Roundtrip, found 2 days ago

$523

Roundtrip

found 2 days ago

Select Icelandair flight, departing Sat, Oct 11 from Portland Intl. to Heathrow, returning Fri, Nov 14, priced at $523 found 2 days ago

Sat, Oct 11 - Sat, Nov 15

PDX

Portland Intl.

LHR

Heathrow

$525 Roundtrip, found 2 days ago

$525

Roundtrip

found 2 days ago

Select Icelandair flight, departing Sat, Oct 11 from Portland Intl. to Heathrow, returning Sat, Nov 15, priced at $525 found 2 days ago

Thu, Oct 16 - Fri, Nov 14

PDX

Portland Intl.

LHR

Heathrow

$527 Roundtrip, found 2 days ago

$527

Roundtrip

found 2 days ago

Select Icelandair flight, departing Thu, Oct 16 from Portland Intl. to Heathrow, returning Fri, Nov 14, priced at $527 found 2 days ago

Thu, Oct 16 - Sat, Nov 15

PDX

Portland Intl.

LHR

Heathrow

$529 Roundtrip, found 2 days ago

$529

Roundtrip

found 2 days ago

Select Icelandair flight, departing Thu, Oct 16 from Portland Intl. to Heathrow, returning Sat, Nov 15, priced at $529 found 2 days ago

Wed, Sep 3 - Fri, Sep 12

PDX

Portland Intl.

LHR

Heathrow

$543 Roundtrip, found 12 hours ago

$543

Roundtrip

found 12 hours ago

Select Virgin Atlantic flight, departing Wed, Sep 3 from Portland Intl. to Heathrow, returning Fri, Sep 12, priced at $543 found 12 hours ago

Tue, Sep 2 - Tue, Sep 9

PDX

Portland Intl.

LHR

Heathrow

$549 Roundtrip, found 12 hours ago

$549

Roundtrip

found 12 hours ago

Select American Airlines flight, departing Tue, Sep 2 from Portland Intl. to Heathrow, returning Tue, Sep 9, priced at $549 found 12 hours ago

Tue, Sep 2 - Tue, Sep 9

PDX

Portland Intl.

LHR

Heathrow

$559 Roundtrip, found 12 hours ago

$559

Roundtrip

found 12 hours ago

Select United flight, departing Tue, Sep 2 from Portland Intl. to Heathrow, returning Tue, Sep 9, priced at $559 found 12 hours ago

Mon, Aug 4 - Tue, Aug 12

PDX

Portland Intl.

LHR

Heathrow

$560 Roundtrip, found 6 days ago

$560

Roundtrip

found 6 days ago

Select Virgin Atlantic flight, departing Mon, Aug 4 from Portland Intl. to Heathrow, returning Tue, Aug 12, priced at $560 found 6 days ago

Wed, Sep 3 - Tue, Sep 9

PDX

Portland Intl.

LHR

Heathrow

$577 Roundtrip, found 12 hours ago

$577

Roundtrip

found 12 hours ago

Select British Airways flight, departing Wed, Sep 3 from Portland Intl. to Heathrow, returning Tue, Sep 9, priced at $577 found 12 hours ago

Tue, Sep 2 - Tue, Sep 9

PDX

Portland Intl.

LHR

Heathrow

$585 Roundtrip, found 12 hours ago

$585

Roundtrip

found 12 hours ago

Select Delta flight, departing Tue, Sep 2 from Portland Intl. to Heathrow, returning Tue, Sep 9, priced at $585 found 12 hours ago

Mon, Oct 13 - Mon, Nov 17

PDX

Portland Intl.

LHR

Heathrow

$594 Roundtrip, found 2 days ago

$594

Roundtrip

found 2 days ago

Select Virgin Atlantic flight, departing Mon, Oct 13 from Portland Intl. to Heathrow, returning Mon, Nov 17, priced at $594 found 2 days ago

Mon, Oct 13 - Mon, Nov 17

PDX

Portland Intl.

LHR

Heathrow

$596 Roundtrip, found 2 days ago

$596

Roundtrip

found 2 days ago

Select British Airways flight, departing Mon, Oct 13 from Portland Intl. to Heathrow, returning Mon, Nov 17, priced at $596 found 2 days ago

Mon, Oct 13 - Mon, Nov 17

PDX

Portland Intl.

LHR

Heathrow

$601 Roundtrip, found 2 days ago

$601

Roundtrip

found 2 days ago

Select British Airways flight, departing Mon, Oct 13 from Portland Intl. to Heathrow, returning Mon, Nov 17, priced at $601 found 2 days ago

Mon, Oct 13 - Mon, Nov 17

PDX

Portland Intl.

LHR

Heathrow

$646 Roundtrip, found 2 days ago

$646

Roundtrip

found 2 days ago

Select KLM flight, departing Mon, Oct 13 from Portland Intl. to Heathrow, returning Mon, Nov 17, priced at $646 found 2 days ago

Mon, Oct 13 - Mon, Nov 17

PDX

Portland Intl.

LHR

Heathrow

$796 Roundtrip, found 2 days ago

$796

Roundtrip

found 2 days ago

Select Finnair flight, departing Mon, Oct 13 from Portland Intl. to Heathrow, returning Mon, Nov 17, priced at $796 found 2 days ago

Mon, Oct 13 - Mon, Nov 17

PDX

Portland Intl.

LHR

Heathrow

$824 Roundtrip, found 2 days ago

$824

Roundtrip

found 2 days ago

Select Iberia flight, departing Mon, Oct 13 from Portland Intl. to Heathrow, returning Mon, Nov 17, priced at $824 found 2 days ago

Mon, Oct 13 - Mon, Nov 17

PDX

Portland Intl.

LHR

Heathrow

$826 Roundtrip, found 2 days ago

$826

Roundtrip

found 2 days ago

Select Aer Lingus flight, departing Mon, Oct 13 from Portland Intl. to Heathrow, returning Mon, Nov 17, priced at $826 found 2 days ago

Mon, Oct 13 - Mon, Nov 17

PDX

Portland Intl.

LHR

Heathrow

$887 Roundtrip, found 2 days ago

$887

Roundtrip

found 2 days ago

Select Alaska Airlines flight, departing Mon, Oct 13 from Portland Intl. to Heathrow, returning Mon, Nov 17, priced at $887 found 2 days ago

Mon, Oct 13 - Mon, Nov 17

PDX

Portland Intl.

LHR

Heathrow

$908 Roundtrip, found 2 days ago

$908

Roundtrip

found 2 days ago

Select Air France flight, departing Mon, Oct 13 from Portland Intl. to Heathrow, returning Mon, Nov 17, priced at $908 found 2 days ago

Thu, Aug 7 - Sun, Aug 10

PDX

Portland Intl.

LHR

Heathrow

$1,080 Roundtrip, found 6 days ago

$1,080

Roundtrip

found 6 days ago

Select JetBlue Airways flight, departing Thu, Aug 7 from Portland Intl. to Heathrow, returning Sun, Aug 10, priced at $1,080 found 6 days ago