Cheap flights from Baltimore to Sydney

One-way fares from $752 · BWI → SYD · prices found by travellers in the last 48 hours

Compare all dates Sydney → Baltimore
Cheapest fare
$752

Frontier Airlines · Tue, Dec 1

Cheapest month
December

from $752

Direct flights
Not recently

Usually 1+ stop

Quickest trip
20h 29m

15,750 km

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Cheapest month to fly from Baltimore to Sydney

Lowest one-way fare per person in each month. Choose a month to see every date.

  1. December 2026 Cheapest $752
  2. June 2027 $883

Cheapest dates in December 2026

The lowest fares we've seen for each day, cheapest first.

Frontier Airlines
Depart18:03 Tue, Dec 1BWI → SYD 29h 34m · 3 stops
$752one way, per person
View deal
See every date in December 2026 →

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About flights from Baltimore to Sydney

Baltimore (BWI) and Sydney (SYD) are about 15,750 km apart. We haven't seen direct fares on this route recently, so expect at least one stop; the quickest journey we've seen takes about 20h 29m. Over the next few months, one-way fares start from $752, and December 2026 is currently the cheapest month to fly.

These prices come from searches travellers made in the last 48 hours, so they move quickly. If you see a good fare, it's worth booking soon. FlightsExp is free to use: you book directly with our travel partner.

Frequently asked questions

How much is a flight from Baltimore to Sydney?

The cheapest one-way fare we've seen recently is $752 with Frontier Airlines, departing Tuesday, December 1, 2026. Over the coming months, the lowest fare in each month ranges from $752 to $883.

What is the cheapest month to fly from Baltimore to Sydney?

December 2026 currently has the lowest fares, from $752 one way.

Are there direct flights from Baltimore to Sydney?

We haven't seen direct fares recently, so most journeys include at least one stop.

How long is the flight from Baltimore to Sydney?

The quickest journey we've seen takes about 20h 29m. Baltimore and Sydney are around 15,750 km apart.

Which airlines fly from Baltimore to Sydney?

Recent fares on this route were with Frontier Airlines and American Airlines.

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