Air Canada Delta Airlines London London LHR Portland PDX Skyteam Alliance Star Alliance United Airlines

Star Alliance/SkyTeam Portland PDX to London $543-$603 April-May 2017

Star Alliance airlines offer Portland, Oregon PDX to London at round trip fares from $543 to $4593 for departures in April and May 2017. Published fares on Air Canada start at $588 and United at $593. Lower Star Alliance flights with ticket prices down to $543 are found on Momondo.com.

Delta/SkyTeam Alliance and Virgin Atlantic tickets start at $603 round trip for this route.

Departure Dates: April 6 – May 10 (similar dates to Seattle to Zurich, Switzerland deal today).

Star Alliance Seattle to Zurich $418 to $456 April-May 2017 (Sep 25).

Air Canada  Portland PDX – Vancouver YVR – London LHR – YVR – LHR

$587.57 round trip  Sat April 22 – Sun April 30, 2017

PDX-LHR $588 AC Apr22-30

Delta Airlines  Portland PDX – New York JFK – London LHR – Minneapolis MSP – Portland PDX

$602.16 round trip  Sat April 22 – Sun April 30

PDX-LHR $602 DL Apr22-30

Momondo.com meta-search finds tickets priced at $543 round trip with Air Canada and United.

PDX-LHR $543 UA-OTA Apr14-24

Loyalty Traveler curated Airfare Deals and Google Flights and Kayak Explore tutorials.

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