try Continental Airlines
Depart : u city code (US depart cities)
Destination: San Jose , Costa Rica
comments:
the rates is lower than others, then you need to book the transfer from Airport to Hotel. Either hotel or local travel agency will arrange the tour for you.
www.continental.com
suggestion price:
1. Airfare
from seattle to san jose (in Oct.)
us$400 (round trip per person)
2. Hotel
San Jose Hotels
< us$100 for 2 person, usually the rates include the breakfast.
3. Ground Transfer (Airport & Hotel, Round trips)
about $40 for 8 people
4. tours
one day tour - about $80-$100 per person.
sample itinerary:
The Best of Costa Rica (4 in One)
We begin our journey driving by the monument ``El Agricultor`` and the Juan Santamaria International Airport. During the drive you will begin to feel at home in Costa Rica as we enter the City of Alajuela, with the second largest population in the country. The city of Alajuela is proud to display the monument of our National Hero ``Juan Santamaria``...
multi-day tours - may cost hundreds ...
hopefully, it help.