Yes, there are multiple flights from Bangkok to Hurghada for under ฿ 24,015. The cheapest flight booked recently is on SWISS for just ฿ 21,674, but on average you can expect to pay ฿ 25,036.
There are no direct flights from Bangkok to Hurghada, but Cheapflights can provide you with all the information you need to find the fastest route with the fewest stops.
You can imagine temperatures to be in the 37 °C range in July. The weather in Hurghada is generally hotter than Bangkok's. As flight availability is subject to become more limited as peak season approaches it is ideal to book in a timely manner.
A quick flight from Bangkok to Hurghada can take about 14h 25m. Egypt Air provides one of the quickest options available for as low as ฿ 24,736. Both multi-stop and direct flights can be found to your destination and back.
Flying on SWISS is currently your cheapest option to Hurghada, with prices starting at ฿ 21,674. Additional return tickets that might be worth considering are offered by Egypt Air and Turkish Airlines, with the lowest prices starting at ฿ 24,736 and ฿ 25,637, respectively.