Limousine bus to Osaka StationorLimousine bus to Kyoto Station?

The short answer

For one traveler the Limousine bus to Osaka Station is cheaper by ¥1,000. That does not change up to 8 travelers.

The Limousine bus to Osaka Station is quicker: 1 h 10 against 1 h 28. The Limousine bus to Kyoto Station varies between 85 and 88 minutes.

Limousine bus to Osaka Station: 06:50–00:15. Limousine bus to Kyoto Station: 06:45–23:20.

Priced against each other

Whole-party totals · adult fares

What each costs for the whole party, in JPY. The cheaper of the two is marked on every row.
Travelers	Limousine bus to Osaka Station	Limousine bus to Kyoto Station	Difference
1	¥1,800	¥2,800	¥1,000
2	¥3,600	¥5,600	¥2,000
3	¥5,400	¥8,400	¥3,000
4	¥7,200	¥11,200	¥4,000
5	¥9,000	¥14,000	¥5,000
6	¥10,800	¥16,800	¥6,000
7	¥12,600	¥19,600	¥7,000
8	¥14,400	¥22,400	¥8,000

Where each one leaves you

Limousine · Kansai Airport Transportation Enterprise (KATE)Limousine bus to Osaka Station

From: Terminal 1 bus stop 5, first floor; Terminal 2 stop 1
To: Osaka Station: Hotel Hankyu Respire or Hankyu Sanbangai first, then Herbis Osaka
Luggage: Up to two pieces of luggage per person in the hold, tagged with a claim ticket.
Runs: 06:50–00:15
Journey: 58–70 min

The first stop at Osaka Station comes about an hour after Terminal 1; Herbis Osaka about ten minutes later.

Limousine · Kansai Airport Transportation Enterprise (KATE)Limousine bus to Kyoto Station

From: Terminal 1 bus stop 8, first floor; Terminal 2 stop 2
To: Kyoto Station, the Hachijo exit on the south side
Luggage: Up to two pieces of luggage per person in the hold, tagged with a claim ticket.
Runs: 06:45–23:20
Journey: 85–88 min

From the airport seats are first come, first served; toward the airport KATE asks you to reserve.