The Internet is the easiest route and might save you some
Kiwi.com, on the other hand, will mix and match airlines (including budget airlines) in order to find you the very cheapest route. For long-haul flights especially, this can make a huge difference. The same search on Kiwi.com returns a route at $459.80 USD via JetBlue, Norwegian Air, and Vueling. That's a savings of $171.40 USD, and the travel time is even shorter!
you’re there, and most importantly, how much are the
Airline tickets can be expensive no matter how you look at
You're not crazy for thinking that a flight price has changed after searching it a few times in your web browser. Based on the cookies in your browser, flight prices do increase when a particular route is repeatedly searched, as the site wants to scare you into booking the flight quickly before prices get even higher. Always search for flights in incognito or private browsing mode to see the lowest prices.