Aliexpress
Click here… to search for FLYHAL FX1 5G Drone with 2 Batteries on Aliexpress
Here are coupons that you can use.
Latest coupon and price update (UTC):
Banggood
Banggood warehouse is located in China.
Link: Banggood product page
Coupon (168.30 USD): BGcc6861
Coupon (172.04 USD): BGf21e98
(CouponsFromChina.com tip: paste coupon code in your cart and click Apply after clicking “Proceed to checkout”. Click to copy code and open shop)
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k
There were country-specific coupon codes published on Couponsfromchina social channels and price alerts. Coupon price may vary by country, because there’re different VAT rates, shipping cost etc. There is a chance that some latest coupons are still working:
Old coupons (from the oldest to the newest): BGbb8ca3, BG844af6
(these coupons are old, so probably won’t work)
Price history and price alert
Here is price history (for all/most countries) for FLYHAL FX1 5G Drone with 2 Batteries.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).