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Departure Airport	Airline	Flight Class	Flight Type
London Heathrow Manchester Birmingham	American Airlines Klm Air Canada United Airlines US Airways	Economy Flights Direct Flights Business Class Direct Business Premium Economy Direct Premium Economy	ReturnOne Way

Cheapest flights to Seattle, Heathrow with American Airlines for USA

Dep:London Heathrow American Airlines £ 150 RT Class: Economy Flights Taxes Excl  Validity: 2012-08-19 until 2012-09-30

Cheapest airfares with KLM, from Heathrow to Seattle

Dep:London Heathrow Klm £ 150 RT Class: Economy Flights Taxes Excl  Validity: 2012-08-19 until 2012-09-30

Cheap flights to Seattle from Heathrow with Air Canada

Dep:London Heathrow Air Canada £ 155 RT Class: Economy Flights Taxes Excl  Validity: 2012-08-19 until 2012-09-30

Flights to Seattle, Heathrow with United Airlines

Dep:London Heathrow United Airlines £ 155 RT Class: Economy Flights Taxes Excl  Validity: 2012-08-19 until 2012-09-30

To Seattle, USA with US Airways from Heathrow cheapest flights

Dep:London Heathrow US Airways £ 525 RT Class: Economy Flights Taxes Excl  Validity: 2012-05-07 until 2012-06-22

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