You can now fly to New York, Boston, Toronto, and DC for £99 - but you'd better be quick

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Primera Air.

• Low-cost Nordic airline Primera Air has launched its new transatlantic routes from London Stansted Airport to New York, Boston, Toronto and Washington DC.
• The carrier is marking the launch with a £99 one-way flight sale.
• 396 fares, 99 for each of the four North American destinations, will be available to buy online from 9 a.m on Thursday March 22.
• You'd better be quick.

The latest Scandinavian airline to start selling cheap transatlantic flights is one you've probably never heard of.

Low-cost Nordic carrier Primera Air will begin operating new routes to New York, Boston, Toronto, and Washington DC from London Stansted this April - and it's marking the launch with a flash sale.

The airline is offering 99 one-way fares for £99 for each of the four North American destinations - so 396 fares in total - valid for travel between April 19 and December 9 this year.

The tickets go on sale at 9 a.m. next Thursday (March 22), and the airline says it "predicts they'll sell out in minutes" - so you'd better be quick.

No other commercial airline currently serves North America from Stansted.

The new transatlantic routes will run from London Stansted Airport on the following schedules:

• New York (EWR) From April 19: Mo, Tu, We, Th, Fr, Sa, Su
• Boston (BOS) From May 18: Mo, We, Fr, Su
• Washington D.C. From August 22: We, Th, Sa
• Toronto (YYZ) From May 19: Tu, Th, Sa

In true budget airline fashion, seat selection, checked luggage, and meals will all incur additional costs.

Customers can book five tiers of fare classes - Light, Comfort, Flex, Premium, or Premium Flex.

The £99 fares come under a "Light" package, which includes just your seat and 10kg hand luggage.

A "Comfort" deal gets you a 23kg checked bag and priority seating, while a Flex gets you all of that plus a meal.

"Premium" and "Premium Flex" offer versions of this with extra legroom, a better meal, and more options in terms of booking changes.

There will be Wi-Fi access (for an extra fee) and onboard charging points, but no in-flight entertainment options, so you'll want to bring something to amuse yourselves.

For those that don't manage to snap up the bargain £99 fares, these routes are now available to book online for travel from April onwards from £149 one-way.

The launch of the new routes represent Primera's debut in the UK market, but it has operated in Northern Europe for 14 years.