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Price went up to 457 bucks.
...

Ok, let's look at it this way:

- 350 for a flight, which is almost identical to the 500 flight

Verdict: you're overpaying the airlines for no reason

And you spare 150 dollars, for which u...

Then you might wanna consider this flight:

11:15p
LAS
Las Vegas
12:49p
PUJ
Punta Cana
9h 34m, 1 stop
EWR

http://www.skyscanner.net/transport/flights/las/puj/150130/airfares-from-las-vegas-mccarran-to-punta-cana-in-january-2015.html?rtn=0

http://www.skyscanner.net/images/airlines/small/AA.png

One...

There are cheaper options than that. For example, a 10h 45 min flight from Vegas costs 317 bucks.

That's how much a flight from Trieste-London-Punta Cana costs...not cheap, I can tell ya that...