So I am going to camp and I don't want to bring my expensive flat iron there cuz idk what'll happen to it. Yes we ARE allowed to bring flat irons.. I know that sounds weird but oh well (: Who knows of a great yet really cheap flat iron that I can find

I love my flat iron!  You may want to think about getting a mini flat iron, they are just as good as the full sized but a bit cheaper!  But there are also great deals on a few full size irons as well!
One EXCELLENT iron is the Heatmaster Professional Ceramic Flat Iron! It sells for $26.99
specifics are:

• Ceramic Heaters generate instant heat and instant recovery - up to 430 degreesF.
• Ceramic Plates Generate Far Infrared Heat to straighten hair from the inside out
• Negative Ions improve condition and shine
• Adjustable Temperature Dial for customized heat
• 9-ft. Professional swivel cord

The Heatmaster Professional Ceramic Flat Iron will smooth out hair and maintain that healthy shine even after styling. You get instant heat and your hair is conditioned and silky smooth to the touch.

Another great iron is the Plugged In Pink Mini Diamond Styling Flat Iron which also sells for $26.99!
specifics are:

• Ionic Ceramic Tourmaline plates create silky smooth hair
• Ceramic heaters heat up fast to 410°F
• Mini size is great for travel or quick touch-ups and hard to reach areas
• Far Infrared Heat technology
• Pink Diamond Casing

The Plugged In Pink Mini Diamond Tourmaline Styling Iron features a slim size with giant heat! This iron is great for short hair, quick touch-ups or for traveling. Small in size but big on technology. This mini iron features Ceramic Plates that produce Far Infrared heat that styles the hair from the inside out leaving hair softer, stronger and healthier-looking. The plates also contain Tourmaline that is infused into the plates to produce negative ions which restore moisture balance to the hair. The accelerated ionic properties of the iron style the hair even faster while adding more luster and shine.

Also a good iron at a GREAT price is the Power IQ Mini Mojo Tourmaline Ceremic flat iron selling for $22.99
specifics are:

• Tourmaline ceramic plates for shiny hair
• Heats up to 410° F.
• Mini size for touch ups and short styles
• Two heat selections - low and high
• On/Off Switch
• Power indicator light

The Power IQ Mini Mojo Flat Iron features 1" plates that heat up 410° F. and straightens hair just like a full size iron. The Mini Mojo's size makes it convenient to take a flat iron from home to office to gym to over-nighters. The small size makes it great for shorter hair styles, touch ups, straighten, curl, flip or finish. Tourmaline ceramic plates create georgeous shiny hair. Heat resistant fabric covers the iron to help protect fingers from heat.