Wingspan: 520mm, Takeoff Weight: 200g, more than 10 minutes flight time, Brushless motor.
Just check coupons out (with price alert and history). Let’s see what best price is ATM.
Aliexpress
I could not find it on Aliexpress. Click here to search by yourself.
Here are coupons that you can use.
Latest coupon and price update (UTC):
Price history and price alert
Do you need price history chart (for all/most countries) for XK X520 RC Aircraft? There we go. The lowest price was: $59.99.
Price records source(s): Gearbest
Click on image to enlarge. 
You can set price alert (for Banggood and Aliexpress (only if product name will be the same as on Banggood and I will post it on social media though, so it’s more like Banggood price alert)).