Flights from Boston to Sydney

Cheapest flights from Boston

These prices were available within the past 7 days. Prices quoted are per person, round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Jun 4 - Wed, Jun 18

BOS

Logan Intl.

SYD

Kingsford Smith Intl.

$1,387 Roundtrip, found 13 hours ago

$1,387

Roundtrip

found 13 hours ago

Select United flight, departing Wed, Jun 4 from Logan Intl. to Kingsford Smith Intl., returning Wed, Jun 18, priced at $1,387 found 13 hours ago

Wed, Jun 4 - Wed, Jun 18

BOS

Logan Intl.

SYD

Kingsford Smith Intl.

$1,413 Roundtrip, found 13 hours ago

$1,413

Roundtrip

found 13 hours ago

Select Qantas Airways flight, departing Wed, Jun 4 from Logan Intl. to Kingsford Smith Intl., returning Wed, Jun 18, priced at $1,413 found 13 hours ago

Wed, Jun 4 - Wed, Jun 18

BOS

Logan Intl.

SYD

Kingsford Smith Intl.

$1,414 Roundtrip, found 13 hours ago

$1,414

Roundtrip

found 13 hours ago

Select Qantas Airways flight, departing Wed, Jun 4 from Logan Intl. to Kingsford Smith Intl., returning Wed, Jun 18, priced at $1,414 found 13 hours ago

Wed, Jun 4 - Wed, Jun 18

BOS

Logan Intl.

SYD

Kingsford Smith Intl.

$1,426 Roundtrip, found 13 hours ago

$1,426

Roundtrip

found 13 hours ago

Select Delta flight, departing Wed, Jun 4 from Logan Intl. to Kingsford Smith Intl., returning Wed, Jun 18, priced at $1,426 found 13 hours ago

Wed, Jun 4 - Wed, Jun 18

BOS

Logan Intl.

SYD

Kingsford Smith Intl.

$1,432 Roundtrip, found 13 hours ago

$1,432

Roundtrip

found 13 hours ago

Select Delta flight, departing Wed, Jun 4 from Logan Intl. to Kingsford Smith Intl., returning Wed, Jun 18, priced at $1,432 found 13 hours ago

Wed, Jun 4 - Wed, Jun 18

BOS

Logan Intl.

SYD

Kingsford Smith Intl.

$1,437 Roundtrip, found 13 hours ago

$1,437

Roundtrip

found 13 hours ago

Select United flight, departing Wed, Jun 4 from Logan Intl. to Kingsford Smith Intl., returning Wed, Jun 18, priced at $1,437 found 13 hours ago

Wed, Jun 4 - Wed, Jun 18

BOS

Logan Intl.

SYD

Kingsford Smith Intl.

$1,450 Roundtrip, found 13 hours ago

$1,450

Roundtrip

found 13 hours ago

Select Delta flight, departing Wed, Jun 4 from Logan Intl. to Kingsford Smith Intl., returning Wed, Jun 18, priced at $1,450 found 13 hours ago

Wed, Jun 4 - Wed, Jun 18

BOS

Logan Intl.

SYD

Kingsford Smith Intl.

$1,514 Roundtrip, found 13 hours ago

$1,514

Roundtrip

found 13 hours ago

Select American Airlines flight, departing Wed, Jun 4 from Logan Intl. to Kingsford Smith Intl., returning Wed, Jun 18, priced at $1,514 found 13 hours ago

Wed, Jun 4 - Wed, Jun 18

BOS

Logan Intl.

SYD

Kingsford Smith Intl.

$1,532 Roundtrip, found 13 hours ago

$1,532

Roundtrip

found 13 hours ago

Select United flight, departing Wed, Jun 4 from Logan Intl. to Kingsford Smith Intl., returning Wed, Jun 18, priced at $1,532 found 13 hours ago

Tue, Jun 3 - Sun, Jun 15

BOS

Logan Intl.

SYD

Kingsford Smith Intl.

$1,577 Roundtrip, found 13 hours ago

$1,577

Roundtrip

found 13 hours ago

Select Qantas Airways flight, departing Tue, Jun 3 from Logan Intl. to Kingsford Smith Intl., returning Sun, Jun 15, priced at $1,577 found 13 hours ago

Sat, Jun 7 - Wed, Jun 18

BOS

Logan Intl.

SYD

Kingsford Smith Intl.

$1,577 Roundtrip, found 13 hours ago

$1,577

Roundtrip

found 13 hours ago

Select Qantas Airways flight, departing Sat, Jun 7 from Logan Intl. to Kingsford Smith Intl., returning Wed, Jun 18, priced at $1,577 found 13 hours ago

Wed, Jun 4 - Wed, Jun 18

BOS

Logan Intl.

SYD

Kingsford Smith Intl.

$1,581 Roundtrip, found 13 hours ago

$1,581

Roundtrip

found 13 hours ago

Select Delta flight, departing Wed, Jun 4 from Logan Intl. to Kingsford Smith Intl., returning Wed, Jun 18, priced at $1,581 found 13 hours ago

Wed, Jun 4 - Wed, Jun 18

BOS

Logan Intl.

SYD

Kingsford Smith Intl.

$1,581 Roundtrip, found 13 hours ago

$1,581

Roundtrip

found 13 hours ago

Select American Airlines flight, departing Wed, Jun 4 from Logan Intl. to Kingsford Smith Intl., returning Wed, Jun 18, priced at $1,581 found 13 hours ago

Fri, Jun 6 - Tue, Jun 17

BOS

Logan Intl.

SYD

Kingsford Smith Intl.

$1,592 Roundtrip, found 13 hours ago

$1,592

Roundtrip

found 13 hours ago

Select United flight, departing Fri, Jun 6 from Logan Intl. to Kingsford Smith Intl., returning Tue, Jun 17, priced at $1,592 found 13 hours ago

Wed, Jun 4 - Wed, Jun 18

BOS

Logan Intl.

SYD

Kingsford Smith Intl.

$1,602 Roundtrip, found 13 hours ago

$1,602

Roundtrip

found 13 hours ago

Select Delta flight, departing Wed, Jun 4 from Logan Intl. to Kingsford Smith Intl., returning Wed, Jun 18, priced at $1,602 found 13 hours ago

Wed, Jun 4 - Wed, Jun 18

BOS

Logan Intl.

SYD

Kingsford Smith Intl.

$2,083 Roundtrip, found 13 hours ago

$2,083

Roundtrip

found 13 hours ago

Select Emirates flight, departing Wed, Jun 4 from Logan Intl. to Kingsford Smith Intl., returning Wed, Jun 18, priced at $2,083 found 13 hours ago

Wed, Jun 4 - Wed, Jun 18

BOS

Logan Intl.

SYD

Kingsford Smith Intl.

$2,158 Roundtrip, found 13 hours ago

$2,158

Roundtrip

found 13 hours ago

Select Qatar Airways flight, departing Wed, Jun 4 from Logan Intl. to Kingsford Smith Intl., returning Wed, Jun 18, priced at $2,158 found 13 hours ago

Wed, Jun 4 - Wed, Jun 18

BOS

Logan Intl.

SYD

Kingsford Smith Intl.

$2,217 Roundtrip, found 13 hours ago

$2,217

Roundtrip

found 13 hours ago

Select JetBlue Airways flight, departing Wed, Jun 4 from Logan Intl. to Kingsford Smith Intl., returning Wed, Jun 18, priced at $2,217 found 13 hours ago

Wed, Jun 4 - Wed, Jun 18

BOS

Logan Intl.

SYD

Kingsford Smith Intl.

$2,567 Roundtrip, found 13 hours ago

$2,567

Roundtrip

found 13 hours ago

Select Cathay Pacific flight, departing Wed, Jun 4 from Logan Intl. to Kingsford Smith Intl., returning Wed, Jun 18, priced at $2,567 found 13 hours ago

Wed, Jun 4 - Wed, Jun 18

BOS

Logan Intl.

SYD

Kingsford Smith Intl.

$2,627 Roundtrip, found 13 hours ago

$2,627

Roundtrip

found 13 hours ago

Select Air Canada flight, departing Wed, Jun 4 from Logan Intl. to Kingsford Smith Intl., returning Wed, Jun 18, priced at $2,627 found 13 hours ago