Aliexpress
Here are coupons that you can use.
Latest price update (UTC time):
Banggood
Banggood warehouse is located in China.
Link: Banggood product page
Coupon (341.99 USD): BGf2ad0a
Coupon (345.79 USD): Cuponation9
Coupon (349.59 USD): BG8ReviTrage
(CouponsFromChina.com tip: this code has to be applied in your cart after clicking “Proceed to checkout”. Click to copy code and open shop)
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k
Old coupons (from the oldest to the newest): BGb1fa1d, BG874251, BGJUNEGSG9, BGCaptainF25, BGCaptainFOX
(these codes were not working in latest coupon update, but you can check them out anyway)
Price history and price alert
Price history (for all/most countries) for Foxeer Foxwhoop 25 104mm Drone Vista HD BNF is here.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).