Fontana to Costa Mesa Buses

Fontana to Costa Mesa buses

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Trip Overview

The average bus between Fontana and Costa Mesa takes 4h 35m and the fastest bus takes 3h 32m. The bus service runs several times per day from Fontana 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 35m
Duration: 75 mi
Distance: $8
Average price: Every 3 hours
Frequency

Bus, line 43 bus

best

Take the bus from San Bernardino to Harbor + Katellabus 200
Take the bus from Harbor-Katella to Harbor-19Thbus 43

4h 42m

$5–9

Fontana to Costa Mesa bus times

Buses run every 3 hours between Fontana and Costa Mesa. The earliest departure is at 6:36 AM in the morning, and the last departure from Fontana is at 8:13 PM which arrives into Costa Mesa at 8:38 AM. All services require a transfer at San Bernardino Transit Center and take an average of 4h 35m. The schedules shown below are for the next available departures.

Departing Friday, October 23, 2026

6:36 AM → 10:24 AM
3h 47m • 2 changes
7:36 AM → 11:24 AM
3h 47m • 2 changes
8:36 AM → 12:48 PM
4h 11m • 2 changes
10:06 AM → 2:28 PM
4h 21m • 2 changes
Show more

Departing Saturday, October 24, 2026

7:43 AM → 12:15 PM
4h 31m • 2 changes
9:46 AM → 1:48 PM
4h 1m • 2 changes
10:46 AM → 3:48 PM
5h 1m • 2 changes
12:46 PM → 5:18 PM
4h 31m • 2 changes
Show more

Departing Sunday, October 25, 2026

5:46 PM → 4:51 AM
Arrives next day
11h 4m • 2 changes

Departing Monday, October 26, 2026

6:36 AM → 10:24 AM
3h 47m • 2 changes
7:36 AM → 11:24 AM
3h 47m • 2 changes
8:36 AM → 12:48 PM
4h 11m • 2 changes
10:06 AM → 2:28 PM
4h 21m • 2 changes
Show more

Departing Tuesday, October 27, 2026

6:36 AM → 10:24 AM
3h 47m • 2 changes
7:36 AM → 11:24 AM
3h 47m • 2 changes
8:36 AM → 12:48 PM
4h 11m • 2 changes
10:06 AM → 2:28 PM
4h 21m • 2 changes
Show more

Departing Wednesday, October 28, 2026

6:36 AM → 10:24 AM
3h 47m • 2 changes
7:36 AM → 11:24 AM
3h 47m • 2 changes
8:36 AM → 12:48 PM
4h 11m • 2 changes
10:06 AM → 2:28 PM
4h 21m • 2 changes
Show more

Departing Thursday, October 29, 2026

6:36 AM → 10:24 AM
3h 47m • 2 changes
7:36 AM → 11:24 AM
3h 47m • 2 changes
8:36 AM → 12:48 PM
4h 11m • 2 changes
10:06 AM → 2:28 PM
4h 21m • 2 changes
Show more

Frequently asked questions

Want to know about travelling from Fontana 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.

Fontana to Costa Mesa buses

Find Transport to Costa Mesa

Trip Overview

Bus, line 43 bus

Fontana to Costa Mesa bus times

Departing Friday, October 23, 2026

6:36 AM → 10:24 AM

7:36 AM → 11:24 AM

8:36 AM → 12:48 PM

10:06 AM → 2:28 PM

Departing Saturday, October 24, 2026

7:43 AM → 12:15 PM

9:46 AM → 1:48 PM

10:46 AM → 3:48 PM

12:46 PM → 5:18 PM

Departing Sunday, October 25, 2026

5:46 PM → 4:51 AMArrives next day

Departing Monday, October 26, 2026

6:36 AM → 10:24 AM

7:36 AM → 11:24 AM

8:36 AM → 12:48 PM

10:06 AM → 2:28 PM

Departing Tuesday, October 27, 2026

6:36 AM → 10:24 AM

7:36 AM → 11:24 AM

8:36 AM → 12:48 PM

10:06 AM → 2:28 PM

Departing Wednesday, October 28, 2026

6:36 AM → 10:24 AM

7:36 AM → 11:24 AM

8:36 AM → 12:48 PM

10:06 AM → 2:28 PM

Departing Thursday, October 29, 2026

6:36 AM → 10:24 AM

7:36 AM → 11:24 AM

8:36 AM → 12:48 PM

10:06 AM → 2:28 PM

Frequently asked questions

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

Bus from San Bernardino to Harbor + Katella

Bus from Harbor-Katella to Harbor-19Th

Bus from Ring-Brea Mall to Bristol-Sunflower

Bus from Sierra Avenue @ Merrill to Pomona Transit Center

Bus trips from Fontana

Bus trips to Costa Mesa

Alternative transport options

5:46 PM → 4:51 AM
Arrives next day