What companies specialize in offering cheap return flights from New York to London?

* Norwegian Air: This low-cost carrier offers direct flights from New York to London starting at around $100 one-way.

* WOW air: This Icelandic budget airline also offers direct flights from New York to London starting at around $100 one-way.

* Aer Lingus: This Irish carrier offers direct flights from New York to London starting at around $150 one-way.

* Icelandair: This Icelandic airline offers direct flights from New York to London starting at around $150 one-way.

* United Airlines: This major U.S. carrier offers direct flights from New York to London starting at around $200 one-way.

* American Airlines: This major U.S. carrier offers direct flights from New York to London starting at around $200 one-way.

* Delta Air Lines: This major U.S. carrier offers direct flights from New York to London starting at around $200 one-way.

* British Airways: This major U.K. carrier offers direct flights from New York to London starting at around $250 one-way.