Flights from Portland to Milton Keynes

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.

Tue, Nov 25 - Wed, Dec 10

PDX

Portland Intl.

LHR

Heathrow

$576 Roundtrip, found 6 days ago

$576

Roundtrip

found 6 days ago

Select Icelandair flight, departing Tue, Nov 25 from Portland Intl. to Heathrow, returning Wed, Dec 10, priced at $576 found 6 days ago

Tue, Nov 25 - Mon, Dec 15

PDX

Portland Intl.

LHR

Heathrow

$661 Roundtrip, found 6 days ago

$661

Roundtrip

found 6 days ago

Select Icelandair flight, departing Tue, Nov 25 from Portland Intl. to Heathrow, returning Mon, Dec 15, priced at $661 found 6 days ago

Sat, Nov 22 - Wed, Dec 10

PDX

Portland Intl.

LHR

Heathrow

$667 Roundtrip, found 6 days ago

$667

Roundtrip

found 6 days ago

Select Air Canada flight, departing Sat, Nov 22 from Portland Intl. to Heathrow, returning Wed, Dec 10, priced at $667 found 6 days ago

Tue, Sep 2 - Tue, Sep 9

PDX

Portland Intl.

LHR

Heathrow

$667 Roundtrip, found 2 days ago

$667

Roundtrip

found 2 days ago

Select British Airways flight, departing Tue, Sep 2 from Portland Intl. to Heathrow, returning Tue, Sep 9, priced at $667 found 2 days ago

Tue, Sep 2 - Tue, Sep 9

PDX

Portland Intl.

LHR

Heathrow

$667 Roundtrip, found 2 days ago

$667

Roundtrip

found 2 days ago

Select American Airlines flight, departing Tue, Sep 2 from Portland Intl. to Heathrow, returning Tue, Sep 9, priced at $667 found 2 days ago

Tue, Sep 2 - Wed, Sep 10

PDX

Portland Intl.

LHR

Heathrow

$674 Roundtrip, found 3 days ago

$674

Roundtrip

found 3 days ago

Select Virgin Atlantic flight, departing Tue, Sep 2 from Portland Intl. to Heathrow, returning Wed, Sep 10, priced at $674 found 3 days ago

Mon, Aug 25 - Tue, Sep 2

PDX

Portland Intl.

LHR

Heathrow

$674 Roundtrip, found 17 hours ago

$674

Roundtrip

found 17 hours ago

Select American Airlines flight, departing Mon, Aug 25 from Portland Intl. to Heathrow, returning Tue, Sep 2, priced at $674 found 17 hours ago

Sun, Aug 24 - Fri, Sep 5

PDX

Portland Intl.

LHR

Heathrow

$674 Roundtrip, found 17 hours ago

$674

Roundtrip

found 17 hours ago

Select Virgin Atlantic flight, departing Sun, Aug 24 from Portland Intl. to Heathrow, returning Fri, Sep 5, priced at $674 found 17 hours ago

Tue, Sep 2 - Tue, Sep 9

PDX

Portland Intl.

LHR

Heathrow

$676 Roundtrip, found 2 days ago

$676

Roundtrip

found 2 days ago

Select Air Canada flight, departing Tue, Sep 2 from Portland Intl. to Heathrow, returning Tue, Sep 9, priced at $676 found 2 days ago

Sun, Nov 23 - Tue, Dec 16

PDX

Portland Intl.

LHR

Heathrow

$677 Roundtrip, found 6 days ago

$677

Roundtrip

found 6 days ago

Select United flight, departing Sun, Nov 23 from Portland Intl. to Heathrow, returning Tue, Dec 16, priced at $677 found 6 days ago

Tue, Sep 2 - Tue, Sep 9

PDX

Portland Intl.

LHR

Heathrow

$677 Roundtrip, found 2 days ago

$677

Roundtrip

found 2 days ago

Select Delta flight, departing Tue, Sep 2 from Portland Intl. to Heathrow, returning Tue, Sep 9, priced at $677 found 2 days ago

Mon, Aug 25 - Tue, Sep 2

PDX

Portland Intl.

LHR

Heathrow

$701 Roundtrip, found 17 hours ago

$701

Roundtrip

found 17 hours ago

Select American Airlines flight, departing Mon, Aug 25 from Portland Intl. to Heathrow, returning Tue, Sep 2, priced at $701 found 17 hours ago

Tue, Nov 25 - Sat, Dec 13

PDX

Portland Intl.

LHR

Heathrow

$714 Roundtrip, found 6 days ago

$714

Roundtrip

found 6 days ago

Select Lufthansa flight, departing Tue, Nov 25 from Portland Intl. to Heathrow, returning Sat, Dec 13, priced at $714 found 6 days ago

Tue, Nov 25 - Sat, Dec 13

PDX

Portland Intl.

LHR

Heathrow

$783 Roundtrip, found 6 days ago

$783

Roundtrip

found 6 days ago

Select KLM flight, departing Tue, Nov 25 from Portland Intl. to Heathrow, returning Sat, Dec 13, priced at $783 found 6 days ago

Mon, Aug 25 - Tue, Sep 2

PDX

Portland Intl.

LHR

Heathrow

$885 Roundtrip, found 17 hours ago

$885

Roundtrip

found 17 hours ago

Select Alaska Airlines flight, departing Mon, Aug 25 from Portland Intl. to Heathrow, returning Tue, Sep 2, priced at $885 found 17 hours ago

Mon, Aug 25 - Tue, Sep 2

PDX

Portland Intl.

LHR

Heathrow

$902 Roundtrip, found 17 hours ago

$902

Roundtrip

found 17 hours ago

Select Iberia flight, departing Mon, Aug 25 from Portland Intl. to Heathrow, returning Tue, Sep 2, priced at $902 found 17 hours ago

Mon, Aug 25 - Tue, Sep 2

PDX

Portland Intl.

LHR

Heathrow

$904 Roundtrip, found 17 hours ago

$904

Roundtrip

found 17 hours ago

Select Finnair flight, departing Mon, Aug 25 from Portland Intl. to Heathrow, returning Tue, Sep 2, priced at $904 found 17 hours ago

Tue, Sep 2 - Tue, Sep 9

PDX

Portland Intl.

LHR

Heathrow

$915 Roundtrip, found 2 days ago

$915

Roundtrip

found 2 days ago

Select Brussels Airlines flight, departing Tue, Sep 2 from Portland Intl. to Heathrow, returning Tue, Sep 9, priced at $915 found 2 days ago

Tue, Nov 25 - Sat, Dec 13

PDX

Portland Intl.

LHR

Heathrow

$1,178 Roundtrip, found 6 days ago

$1,178

Roundtrip

found 6 days ago

Select Air France flight, departing Tue, Nov 25 from Portland Intl. to Heathrow, returning Sat, Dec 13, priced at $1,178 found 6 days ago

Mon, Aug 25 - Tue, Sep 2

PDX

Portland Intl.

LHR

Heathrow

$1,581 Roundtrip, found 17 hours ago

$1,581

Roundtrip

found 17 hours ago

Select Aer Lingus flight, departing Mon, Aug 25 from Portland Intl. to Heathrow, returning Tue, Sep 2, priced at $1,581 found 17 hours ago