expensive, high
cheap, low
adult (esp. BrE), full, normal, standard (BrE)
child's (esp. BrE), concessionary (BrE), discounted, half (esp. BrE), reduced
last-minute, sale, walk-up (all AmE)
one-way (esp. AmE), single (BrE)
return (BrE), round-trip (AmE)
first-class, second-class
coach (= cheapest seats on a plane)
air, bus, cab, coach (= bus), ferry (esp. BrE), rail (esp. BrE), subway (AmE), taxi, train, tube (BrE)

pay
I'm afraid you will have to pay the full fare.

charge
Buses charged a standard fare of about 20 pence per mile.

increase, put up (BrE), raise
cut, lower, reduce, slash
air fares slashed by a massive 30%

introduce, offer
The airline has introduced a cheap fare to New York.

dodge (BrE)
They caught him trying to dodge bus fares.

cost (sb) sth
The fare will cost you less if you travel midweek.

start at sth, start from sth
Last-minute fares start at $219 each way.

range from sth to sth
Round-trip fares range from $118 to $258.

go up, increase, rise

hike (esp. AmE), increase, rise (BrE)
structure
a simplified fare structure

at … fare
Children travel at half fare. (esp. BrE)

an increase in fares, a rise in fares (esp. BrE)
a reduction in fares
The company promised reductions in fares.

pick up
The taxi driver picked up a fare outside the opera house.

gourmet, rich
plain, simple
hearty, light (esp. AmE)
healthy, wholesome (esp. BrE)
local
vegetarian
English, Italian, Mexican, etc.
Christmas
average, daily, normal, regular (esp. AmE), standard, staple, traditional, typical, usual
Trials involving celebrities are the daily fare of newspapers.
The band's music was standard rock fare.

family
This movie is perfect family fare.

television, TV

offer, serve
a restaurant serving traditional Scottish fare

sample
tourists seeing the sights and sampling the local Mexican fare