Delta launched a flash sale that offers one-way nonstop first class tickets between New York City and San Salvador starting at 6,000 SkyMiles. Similar tickets can be purchased between Los Angeles, San Salvador and 8,000 SkyMiles.The DealFly one-way nonstop between New York City and San Salvador with Delta first class for as low as 6,000 SkyMiles.Quick ThoughtsIt is worth booking as soon as possible if you are interested in El Salvador. There is no way to know how long the Delta flash sale will last. You can cancel your reservation without penalty and have SkyMiles redeposited into your account.You can book tickets starting at 6,000 SkyMiles between New York City and San Salvador. There isn't much availability at the 6,000 pricing between August and October. However, there are many dates within the 6,000 to 7,000 range that are great value. The low award pricing does not extend beyond October. Make sure to check the dates that work for your travel plans if you are looking for travel later in the year or early next.These low prices are not limited to flights to San Salvador. This pricing is very affordable for the return flight to America.It is worth noting that these are first-class flights. However, you will not be sleeping in a bed on non-stop routes. Still, 6,000 SkyMiles is a great deal for a flight lasting 5.5 hours in first-class.Similar flights from LAX are also available in first class starting at 8,000 SkyMiles. About half of the days between mid-September and mid-October will be available in the 8,000 to 9,000 price range.It is best to book as soon as possible and cancel if you aren't satisfied. This pricing won't last very long.Deals with h/t Dans