Bare Minerals powder foundation is your friend. If you need to put something on your eyes, a waterproof mascara, light brown eyeliner pencil, or highlighter (Elf under eye conceal & highlighter!) or you can use eye shadow as your eyeliner.
For lips, lip gloss or lip stain, no lipstick (I recommend Stila stay all day liquid lipstick). The NARS Satin lip pencil is a new favorite of mine or you can go simple and get Burts Bees Pomegranate lip balm.
Carry some oil sheets with you, like Clean & Clear, in case you feel a little oily. No real need for blush. I find that after a day out in the sun, my face doesn't need blush. It gets a little sun-kissed and that's all the color I need
Also, I bring small skinny makeup products when traveling so it doesn't take up too much room. Bobbi Brown foundation stick (expensive, but worth it), NARS concealer stick, NARS satin lip pencil, Maybelline eyeliner. CVS sells a retractable Kabuki Brush from the Elf line which is sooooo nice. If you need to freshen up in a bathroom throughout the day, small travel-sized or makeup pouch friendly items are ideal.
Best advice would be to get a facial moisturizer with SPF. I use Neutrogena oil-free moisturizer before I put an ounce of makeup on my face. At the end of the day, Aveeno Ultra-Calming Makeup Removing Wipes.
Pro Tip : if you order through Sephora, they love to give out special gifts! Whether it's perfume samples or samples of other products. If you can find coupon codes online, you could be eligible for other free goodies. I love to bring stuff like this with me while traveling to avoid big bulky perfume bottles or other makeup products