Aliexpress
Here are coupons that you can use.
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. China – JJRC X9 Drone RTF Black Without Bag (-3 USD)
Latest price update (UTC time):
Banggood
Banggood warehouse is located in China. One coupon is available. Cool!
Link: Banggood product page
Coupon (164.99 USD): BGRCX930
(CouponsFromChina.com tip: put item in your cart and apply coupon code there 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): f48a2d, 502C6B, efbc2b, JJRCX9BG, TTxBG10, BGJJRC10, BGJJRCPL, BGJJRCX9, AFfbG10, BGX925, BGBFAFF2019, BGCITYADS2019, BGJJRCX9BF, Wholesale20, BGVDay10%off, BGAFF7OFF, BGAFF10OFF, bGhOnEy10, BGTT10, 7bcdf9
(these coupons are old, so probably won’t work)
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. China – JJRC X9 Drone RTF Black Without Bag (-3 USD)
Price history and price alert
Here is price history (for all/most countries) for JJRC X9 Drone RTF Black Three Batteries.
Price records source(s): Gearbest, Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).