What is the cheapest 100GB internet plans compared?

Search and find 100gb Internet plans

Compare Broadband compares plans from the above providers and can connect you with our participating providers. Not all plans available from these providers are compared by Compare Broadband and depending on your location or service availability not all plans may be available to all customers.

Looking for the cheapest 100GB plan you can find? Look below. Today we have put together some of the cheapest 100GB available (and a few more). If you are looking for 100GB it can be available on very many different types of internet. The main types of internet 100GB is available for, is: ADSL, ADSL2+, Cable, NBN, Fixed Wireless, Satellite, Dial up, and Mobile broadband. The most common type of internet that 100GB is available on is ADSL or ADSL2+. This type of internet runs through the phone line and can run at speeds of up to 20mb/s.

Everyday

$43

.99 /Month

for first 6 months, then $73.99/mth ongoing.

Min. total cost $43.99

Typical evening speed (7-11pm)

25 Mbps Download

9 Mbps Upload

NBN Fibre/ HFC

Unlimited Data

Month to month plan

Features

Modem options to suit you: Pay upfront, in installments or BYO

Save up to $10/mth on your internet when you bundle electricity, gas, and internet

Dodo has over 360,000 happy customers

Typical evening speed (7-11pm)

25 Mbps Download

9 Mbps Upload

Special Offer

Special Offer: $30/mth off for 6 months available to new Dodo broadband customers only. Offer ends September 1st, 2026.

$43

.99 /Month

for first 6 months, then $73.99/mth ongoing.

Min. total cost $43.99

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More info

Extra Value

$69

/Month

for first 6 months, then $89 ongoing.

Min. total cost $69.00

Typical evening speed (7-11pm)

50 Mbps Download

17 Mbps Upload

OptiComm

Unlimited Data

Month to month plan

Features

Bundle & Save and get $5/mth off your internet when you add a mobile SIM

Sign-up friends or family to Superloop nbn and you’ll get 10% off your monthly bill

Compatible with Opticomm & Vostronet

Typical evening speed (7-11pm)

50 Mbps Download

17 Mbps Upload

Special Offer

Get a $0 eero 7 or TP-Link modem when you sign up to an eligible plan and stay for 24 months. Offer ends August 31st, 2026. New customers only.

$69

/Month

for first 6 months, then $89 ongoing.

Min. total cost $69.00

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More info

NBN50

$69

.99 /Month

for first 6 months, then $89.99/mth

Min. total cost $69.99

Typical evening speed (7-11pm)

50 Mbps Download

17 Mbps Upload

NBN Fibre/ HFC

Unlimited Data

Month to month plan

Features

24/7 Customer Service

High-speed typical evening speeds

Free quality router with 4G backup if you stay connected for 24 months

Typical evening speed (7-11pm)

50 Mbps Download

17 Mbps Upload

$69

.99 /Month

for first 6 months, then $89.99/mth

Min. total cost $69.99

Link not provided

Request a callback

More info

Superfast

$69

.99 /Month

for first 6 months, then $99.99/mth ongoing.

Min. total cost $69.99

Typical evening speed (7-11pm)

700 Mbps Download

49 Mbps Upload

NBN Fibre/ HFC

Unlimited Data

Month to month plan

Features

Modem options to suit you: Pay upfront, in installments or BYO

Save up to $10/mth on your internet when you bundle electricity, gas, and internet

Dodo has over 360,000 happy customers

Typical evening speed (7-11pm)

700 Mbps Download

49 Mbps Upload

Special Offer

Special Offer: $30/mth off for 6 months available to new Dodo broadband customers only. Offer ends September 1st, 2026.

$69

.99 /Month

for first 6 months, then $99.99/mth ongoing.

Min. total cost $69.99

Request a callback

More info

The 50

$71

/Month

for first 6 months, then $81 ongoing

Min. total cost $71.00

Typical evening speed (7-11pm)

48 Mbps Download

20 Mbps Upload

OptiComm

Unlimited Data

Month to month plan

Features

Fast typical evening speeds

7 days a weeek support

Owner of the Opticomm Network

Typical evening speed (7-11pm)

48 Mbps Download

20 Mbps Upload

Special Offer

EOFY Fibre Sale: Save on every Uniti Internet plan + get a free Nokia router

$71

/Month

for first 6 months, then $81 ongoing

Min. total cost $71.00

Available by phone only

Request a callback

More info

The 50

$71

/Month

for first 6 months, then $81 ongoing

Min. total cost $852.00

Typical evening speed (7-11pm)

48 Mbps Download

20 Mbps Upload

OptiComm

Unlimited Data

12 months contract

Features

Fast typical evening speeds

7 days a weeek support

Owner of the Opticomm Network

Typical evening speed (7-11pm)

48 Mbps Download

20 Mbps Upload

Special Offer

EOFY Fibre Sale: Save on every Uniti Internet plan + get a free Nokia router

$71

/Month

for first 6 months, then $81 ongoing

Min. total cost $852.00

Available by phone only

Request a callback

More info

The 50

$71

/Month

for first 6 months, then $81 ongoing

Min. total cost $1704.00

Typical evening speed (7-11pm)

48 Mbps Download

20 Mbps Upload

OptiComm

Unlimited Data

24 months contract

Features

Fast typical evening speeds

7 days a weeek support

Owner of the Opticomm Network

Typical evening speed (7-11pm)

48 Mbps Download

20 Mbps Upload

Special Offer

EOFY Fibre Sale: Save on every Uniti Internet plan + get a free Nokia router

$71

/Month

for first 6 months, then $81 ongoing

Min. total cost $1704.00

Available by phone only

Request a callback

More info

Speedy Plus

$73

.90 /Month

for first 6 months, then $98.90 ongoing.

Min. total cost $73.90

Typical evening speed (7-11pm)

100 Mbps Download

34 Mbps Upload

NBN Fibre/ HFC

Unlimited Data

Month to month plan

Features

24/7 Days Technical Support: We're here for you, weekends included

Save 10% on monthly plan fees when you bundle mobile SIM-only plans with an nbn® plan under one Tangerine account

Typical evening speed (7-11pm)

100 Mbps Download

34 Mbps Upload

Special Offer

$25/mth off for the first 6 months

$73

.90 /Month

for first 6 months, then $98.90 ongoing.

Min. total cost $73.90

Request a callback

More info

MegaSpeed

$74

/Month

for first 6 months, then $104 ongoing.

Min. total cost $74.00

Typical evening speed (7-11pm)

750 Mbps Download

40 Mbps Upload

OptiComm

Unlimited Data

Month to month plan

Features

Bundle & Save and get $5/mth off your internet when you add a mobile SIM

Sign-up friends or family to Superloop nbn and you’ll get 10% off your monthly bill

Compatible with Opticomm & Vostronet

Typical evening speed (7-11pm)

750 Mbps Download

40 Mbps Upload

Special Offer

Get a $0 eero 7 or TP-Link modem when you sign up to an eligible plan and stay for 24 months. Offer ends August 31st, 2026. New customers only.

$74

/Month

for first 6 months, then $104 ongoing.

Min. total cost $74.00

Request a callback

More info

Megaspeed

$74

/Month

for first 6 months, then $104 ongoing.

Min. total cost $74.00

Typical evening speed (7-11pm)

750 Mbps Download

40 Mbps Upload

NBN Fibre/ HFC

Unlimited Data

Month to month plan

Features

Bundle & Save and get $5/mth off your internet when you add a mobile SIM

Sign-up friends or family to Superloop nbn and you’ll get 10% off your monthly bill

Typical evening speed (7-11pm)

750 Mbps Download

40 Mbps Upload

Special Offer

Get a $0 eero 7 or TP-Link modem when you sign up to an eligible plan and stay for 24 months. Offer ends August 31st, 2026. New customers only.

$74

/Month

for first 6 months, then $104 ongoing.

Min. total cost $74.00

Request a callback

More info

What is the cheapest 100GB internet plans compared?

Search and find 100gb Internet plans

Are you eligible for a FREE fibre upgrade?

The government is making 1.5 million Australian homes and businesses eligible for a speed upgrade to FTTP (Fibre to the Premises), which offers greater speed and reliability. Selected towns and suburbs with FTTC and FTTN are eligible for the upgrade with an eligible high speed nbn plan.

What is the cheapest 100GB internet plans compared?

Search and find 100gb Internet plans

Are you eligible for a FREE fibre upgrade?

The government is making 1.5 million Australian homes and businesses eligible for a speed upgrade to FTTP (Fibre to the Premises), which offers greater speed and reliability. Selected towns and suburbs with FTTC and FTTN are eligible for the upgrade with an eligible high speed nbn plan.

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