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Ontario to Costa Mesa buses

Find Transport to Costa Mesa

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Trip Overview

The average bus between Ontario and Costa Mesa takes 4h 31m and the fastest bus takes 3h 25m. The bus service runs several times per day 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 31m
Duration
45 mi
Distance
$12
Average price
Every 2 hours
Frequency

Line 286 bus, line 57 bus

best
  1. Take the bus from Pomona Transit Center to Brea Mallbus bus 286
  2. Take the bus from Ring-Brea Mall to Bristol-Sunflowerbus bus 57
4h 25m
$7–12

Ontario to Costa Mesa bus times

Buses run every 2 hours 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 31m. The schedules shown below are for the next available departures.

Departing Tuesday, October 27, 2026

  •  → 

    OmnitransFoothill TransitOCTAOCTA3h 38m • 3 changes

  •  → 

    OmnitransFoothill TransitOCTAOCTA4h 12m • 3 changes

  •  → 

    OmnitransFoothill TransitOCTAOCTA4h 26m • 3 changes

  •  → 

    OmnitransFoothill TransitOCTAOCTA4h 18m • 3 changes
  • Show more

Departing Wednesday, October 28, 2026

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    OmnitransFoothill TransitOCTAOCTA4h 5m • 3 changes

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    OmnitransFoothill TransitOCTAOCTA4h 9m • 3 changes

  •  → 

    OmnitransFoothill TransitOCTAOCTA4h 15m • 3 changes

  •  → 

    OmnitransFoothill TransitOCTAOCTA3h 40m • 3 changes
  • Show more

Departing Thursday, October 29, 2026

  •  → 

    OmnitransFoothill TransitOCTAOCTA4h 5m • 3 changes

  •  → 

    OmnitransFoothill TransitOCTAOCTA4h 9m • 3 changes

  •  → 

    OmnitransFoothill TransitOCTAOCTA4h 15m • 3 changes

  •  → 

    OmnitransFoothill TransitOCTAOCTA3h 40m • 3 changes
  • Show more

Departing Friday, October 30, 2026

  •  → 

    OmnitransFoothill TransitOCTAOCTA4h 5m • 3 changes

  •  → 

    OmnitransFoothill TransitOCTAOCTA4h 9m • 3 changes

  •  → 

    OmnitransFoothill TransitOCTAOCTA4h 15m • 3 changes

  •  → 

    OmnitransFoothill TransitOCTAOCTA3h 40m • 3 changes
  • Show more

Departing Saturday, October 31, 2026

  •  → 

    OmnitransFoothill TransitOCTAOCTA3h 25m • 3 changes

  •  → 

    OmnitransFoothill TransitOCTAOCTA3h 41m • 3 changes

  •  → 

    OmnitransFoothill TransitOCTAOCTA3h 38m • 3 changes

  •  → 

    OmnitransFoothill TransitOCTAOCTA3h 33m • 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.

Map of how to get from Ontario to Costa Mesa.ExpandLaunch map view
  • Distance: 45 mi
  • Duration: 4h 31m

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

You can take a bus from Holt @ Lemon to 19Th-Harbor via Pomona Transit Center, Brea Mall, Ring-Brea Mall, and Bristol-Sunflower in around 4h 25m.

Operators