Flores has the second busiest airport in Guatemala. It is a typical tropical airport, open to the elements, and patrolled by youths with big weapons. As soon as you descend from your plane you know: "This is IT."
Unfortunately, FRS has recently lost two carriers. Tikal Jets went belly up in August 2006, and Continental discontinued its weekly service from Houston on November 25 (I was on the very last, very empty flight).
IF YOU ARE LOOKING FOR A SHUTTLE SERVICE TO GOTO VARIOUS PLACES IN GUATEMALA THEN MARTSAM IS THE PLACE TO COME. DESTINATIONS INCLUDE: TIKAL, UAXACTUN, EL MIRADOR, EL PERU, AGUATECA, ANTIGUA, PANAJACHEL, CHICHICASTENANGO, RIO DULCE, ETC.
ONCE YOU BOOK THE TRIP YOU WANT THE SHUTTLE SERVICE CAN BE ARRANGED TO PICK YOU UP FROM YOUR HOTEL.
Flores is so small that foot transportation is really the best way to get around in the pueblo, but after a hike around Santa Elena, a ride back across the causeway can save the feet from exhaustion. There are running around Santa Elena these three wheel motorcycle vehicles, recently imported from Asia. Bargain for the price and hold on. I can't recall what we paid, but I'm sure that it was a few dollars at most. It was either this, or wait for the old school bus to go by. The one we rode in was virtually new, but the owner had some problems with the gas line, as I recall. Three average sized people can squeeze into the backseat, but prepare for the low overhead. These drivers aren't dare devils though.
The airport is 2km east of Santa Elena. Minibuses and local buses head into town. The cost is usually around 10 Quetzal.
I flew into Flores from Cancun. I flew Grupo Taca but there is an airline called Tikal Jets as well. There is a $3 US departure tax when you leave from Flores to another country.
Tuk Tuks are the primary means of getting to and from Flores. They're cheap and can be found everywhere in Flores. Just bargain for the best transport price.