Prices are in Australian Dollars.

Find cheap flights from Montana to Sydney

Find cheap flights from Montana to Sydney

Search hundreds of travel sites at once for deals on flights to Sydney

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Boston (BOS)
Sydney Kingsford Smith
Thu. 13.5
Thu. 20.5
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Good to know

Low season

AugustBest time to beat the crowds (6% less expensive on average)

High season

DecemberMost popular time to fly (19% more expensive on average)

Average price (return flight)

$1,218(avg. price over the last 2 weeks)

Good deal (return flight)

$1,101or less

Good deal one-way

$658or less

FAQs for booking flights from Montana to Sydney

How does KAYAK find such low prices on flights from Montana to Sydney?

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Montana to Sydney?

What is the Hacker Fare option on flights from Montana to Sydney?

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Montana to Sydney?

COVID-19 information

Safety measures for airlines flying from Montana to Sydney

Airlines flying from Montana to Sydney have enacted additional safety measures and adjusted policies to better accommodate travellers. Policies vary by airline.

Heightened sanitation

Daily cleaning, installation of cabin HEPA filters on flights from Montana to Sydney

Mandatory masks

Masks required on board, masks provided on flights from Montana to Sydney

Social distancing seating

Middle seats unavailable to book on flights from Montana to Sydney

Pre-flight testing

Testing for antibodies, testing for symptoms for flights from Montana to Sydney

Book cheap flights from Montana to Sydney

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