American Airlines has launched a sale on fares from London to the US. Flights are available to New York, Boston, Miami, Orlando, Los Angeles, Chicago, San Francisco, Dallas and Las Vegas. Get return fares from £ 263 (ca. € 303) if travelling until June 30, and again between August 22 and September 30. Flights cost £ 455 (ca. € 524) between July 1 and August 21.  Book by June 22.

KLM is offering World Deals with a wide variation of destinations available. Travel to big cities in Europe, the US, Asia and the Middle East. Return flights are available from £ 89 (ca. € 102) including taxes. Travel periods vary and fares are subject to availability. Book by Sunday, May 31.

Qantas has launched a sale to destinations Down Under and a couple of Asian destinations. Travel from London Heathrow Airport to nine different Australian and New Zealand cities and Bangkok and Singapore. The travel window closes on June 23. Book by Tuesday, June 2.

Aer Lingus has announced that they are offering a £ 90 (ca. € 103) discount on return flights to America. Travel to the US via Dublin between June 1 and August 31 in order to get the discount. Destinations include Boston, Chicago, New York, Orlando and Washington. Book by midnight (GMT) on Thursday, May 28.