The average bus between Irvine and Costa Mesa takes 1h 52m and the fastest bus takes 1h 12m. There is a bus service every few hours from Irvine to Costa Mesa. The journey time may be longer on weekends and holidays; use the search form on this page to search for a specific travel date.
Buses run hourly between Irvine and Costa Mesa. The earliest departure is at 5:49 AM in the morning, and the last departure from Irvine is at 10:12 PM which arrives into Costa Mesa at 4:48 AM. All services require a transfer at Newport Trans Ctr Dock 2 and take an average of 1h 52m. The schedules shown below are for the next available departures.

1h 49m • 1 change

1h 40m • 1 change

1h 26m • 1 change

1h 40m • 1 change

1h 23m • 1 change

1h 23m • 1 change

1h 23m • 1 change

1h 25m • 1 change

1h 23m • 1 change

1h 23m • 1 change

1h 23m • 1 change

1h 25m • 1 change
Want to know about travelling from Irvine to Costa Mesa? We have put together a list of the most frequently asked questions from our users such as: What is the cheapest mode of transport? What is the quickest option? How much do tickets usually cost? and many more.
No, there is no direct bus from Irvine to Costa Mesa. However, there are services departing from Irvine station and arriving at Costa Mesa station via Newport Trans Ctr Dock 2. The journey, including transfers, takes approximately 1h 52m.
Irvine to Costa Mesa bus services, operated by OCTA, depart from Culver-Michelson station.
Irvine to Costa Mesa bus services, operated by OCTA, arrive at Harbor-Bernard station.
The distance between Irvine and Costa Mesa is 9.4 km. The road distance is 33 km.
You can take a bus from Culver-Michelson to Harbor-Bernard via Newport Trans Ctr Dock 2 and Newport Trans Ctr Dock 8 in around 1h 31m.