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Diamond Bar to Irvine buses

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Trip Overview

The average bus between Diamond Bar and Irvine takes 2h 53m and the fastest bus takes 2h 1m. There is a bus service every few hours from Diamond Bar to Irvine. The journey time may be longer on weekends and holidays; use the search form on this page to search for a specific travel date.

2h 53m
Duration
36 mi
Distance
$8
Average price
Hourly
Frequency

Line 286 bus, bus

best
  1. Take the bus from Diamond Bar Blvd and Sunset Crossing Rd to Brea Mallbus bus 286
  2. Take the bus from Ring-Brea Mall to Campus-University Centerbus bus 59
2h 42m
$4–8

Diamond Bar to Irvine bus times

Buses run hourly between Diamond Bar and Irvine. The earliest departure is at 6:34 AM in the morning, and the last departure from Diamond Bar is at 10:33 PM which arrives into Irvine at 5:42 AM. All services require a transfer at Brea Mall and take an average of 2h 53m. The schedules shown below are for the next available departures.

Departing Saturday, October 10, 2026

  •  → 

    Foothill TransitOCTA2h 37m • 1 change

  •  → 

    Foothill TransitOCTA2h 31m • 1 change

  •  → 

    Foothill TransitOCTA2h 26m • 1 change

  •  → 

    Foothill TransitOCTA2h 20m • 1 change
  • Show more

Departing Sunday, October 11, 2026

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    Arrives next day

    Foothill TransitOCTA9h 56m • 1 change

Departing Monday, October 12, 2026

  •  → 

    Foothill TransitOCTA2h 48m • 1 change

  •  → 

    Foothill TransitOCTA2h 37m • 1 change

  •  → 

    Foothill TransitOCTA2h 37m • 1 change

  •  → 

    Foothill TransitOCTA2h 47m • 1 change
  • Show more

Departing Tuesday, October 13, 2026

  •  → 

    Foothill TransitOCTA2h 48m • 1 change

  •  → 

    Foothill TransitOCTA2h 37m • 1 change

  •  → 

    Foothill TransitOCTA2h 37m • 1 change

  •  → 

    Foothill TransitOCTA2h 47m • 1 change
  • Show more

Departing Wednesday, October 14, 2026

  •  → 

    Foothill TransitOCTA2h 48m • 1 change

  •  → 

    Foothill TransitOCTA2h 37m • 1 change

  •  → 

    Foothill TransitOCTA2h 37m • 1 change

  •  → 

    Foothill TransitOCTA2h 47m • 1 change

Frequently asked questions

Want to know about travelling from Diamond Bar to Irvine? 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 Diamond Bar to Irvine.ExpandLaunch map view
  • Distance: 35.8 mi
  • Duration: 2h 53m

What companies run services between Diamond Bar, CA, USA and Irvine, CA, USA?

You can take a bus from Diamond Bar Blvd and Sunset Crossing Rd to Campus-University Center via Brea Mall and Ring-Brea Mall in around 2h 42m.

Operators