Ontario to Costa Mesa Buses

Ontario to Costa Mesa buses

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Trip Overview

The average bus between Ontario and Costa Mesa takes 4h 28m and the fastest bus takes 3h 25m. There is a bus service every few hours from Ontario 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.

4h 28m
Duration: 45 mi
Distance: $12
Average price: Hourly
Frequency

Line 286 bus, line 57 bus

best

Take the bus from Pomona Transit Center to Brea Mallbus 286
Take the bus from Ring-Brea Mall to Bristol-Sunflowerbus 57

4h 25m

$7–12

Ontario to Costa Mesa bus times

Buses run hourly between Ontario and Costa Mesa. The earliest departure is at 5:42 AM in the morning, and the last departure from Ontario is at 9:32 PM which arrives into Costa Mesa at 5:01 AM. All services require a transfer at Pomona Transit Center and take an average of 4h 28m. The schedules shown below are for the next available departures.

Departing Saturday, October 24, 2026

2:55 PM → 6:55 PM
4h • 3 changes
3:38 PM → 7:25 PM
3h 47m • 3 changes
4:40 PM → 8:25 PM
3h 45m • 3 changes
5:43 PM → 9:23 PM
3h 40m • 3 changes
Show more

Departing Sunday, October 25, 2026

6:44 PM → 5:34 AM
Arrives next day
10h 50m • 3 changes

Departing Monday, October 26, 2026

5:42 AM → 9:47 AM
4h 5m • 3 changes
6:41 AM → 10:50 AM
4h 9m • 3 changes
7:35 AM → 11:50 AM
4h 15m • 3 changes
8:40 AM → 12:20 PM
3h 40m • 3 changes
Show more

Departing Tuesday, October 27, 2026

5:42 AM → 9:47 AM
4h 5m • 3 changes
6:41 AM → 10:50 AM
4h 9m • 3 changes
7:35 AM → 11:50 AM
4h 15m • 3 changes
8:40 AM → 12:20 PM
3h 40m • 3 changes
Show more

Departing Wednesday, October 28, 2026

5:42 AM → 9:47 AM
4h 5m • 3 changes
6:41 AM → 10:50 AM
4h 9m • 3 changes
7:35 AM → 11:50 AM
4h 15m • 3 changes
8:40 AM → 12:20 PM
3h 40m • 3 changes
Show more

Departing Thursday, October 29, 2026

5:42 AM → 9:47 AM
4h 5m • 3 changes
6:41 AM → 10:50 AM
4h 9m • 3 changes
7:35 AM → 11:50 AM
4h 15m • 3 changes
8:40 AM → 12:20 PM
3h 40m • 3 changes
Show more

Departing Friday, October 30, 2026

5:42 AM → 9:47 AM
4h 5m • 3 changes
6:41 AM → 10:50 AM
4h 9m • 3 changes
7:35 AM → 11:50 AM
4h 15m • 3 changes
8:40 AM → 12:20 PM
3h 40m • 3 changes
Show more

Frequently asked questions

Want to know about travelling from Ontario 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.

Ontario to Costa Mesa buses

Find Transport to Costa Mesa

Trip Overview

Line 286 bus, line 57 bus

Ontario to Costa Mesa bus times

Departing Saturday, October 24, 2026

2:55 PM → 6:55 PM

3:38 PM → 7:25 PM

4:40 PM → 8:25 PM

5:43 PM → 9:23 PM

Departing Sunday, October 25, 2026

6:44 PM → 5:34 AMArrives next day

Departing Monday, October 26, 2026

5:42 AM → 9:47 AM

6:41 AM → 10:50 AM

7:35 AM → 11:50 AM

8:40 AM → 12:20 PM

Departing Tuesday, October 27, 2026

5:42 AM → 9:47 AM

6:41 AM → 10:50 AM

7:35 AM → 11:50 AM

8:40 AM → 12:20 PM

Departing Wednesday, October 28, 2026

5:42 AM → 9:47 AM

6:41 AM → 10:50 AM

7:35 AM → 11:50 AM

8:40 AM → 12:20 PM

Departing Thursday, October 29, 2026

5:42 AM → 9:47 AM

6:41 AM → 10:50 AM

7:35 AM → 11:50 AM

8:40 AM → 12:20 PM

Departing Friday, October 30, 2026

5:42 AM → 9:47 AM

6:41 AM → 10:50 AM

7:35 AM → 11:50 AM

8:40 AM → 12:20 PM

Frequently asked questions

What companies run services between Ontario, CA, USA and Costa Mesa, CA, USA?

Bus from Pomona Transit Center to Brea Mall

Bus from Ring-Brea Mall to Bristol-Sunflower

Bus from Ontario Convention Center to Anaheim-Cerritos

Bus trips from Ontario

Bus trips to Costa Mesa

Alternative transport options

6:44 PM → 5:34 AM
Arrives next day