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Cheap flights from Boston to Cairns from $1,553

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 24/6. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — CNS
1 Feb — 8 Feb1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Boston to Cairns

Enter your travel dates to find the best prices.

Best flights from Boston to Cairns
Discover carefully curated flight deals from Boston to Cairns that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 2 January 2026.

Fri 30/116:19BOS - CNS
2 stops51h 26mQantas Airways
Fri 6/211:35CNS - BOS
2 stops45h 21mQantas Airways
Deal found 31/12$2,082
Sun 25/110:15BOS - CNS
2 stops32h 40mMultiple Airlines
Sat 7/211:25CNS - BOS
2 stops32h 35mMultiple Airlines
Deal found 31/12$2,225
Thu 9/422:00BOS - CNS
2 stops44h 40mQatar Airways
Thu 16/409:20CNS - BOS
2 stops43h 45mQatar Airways
Deal found 2/1$2,288
Sat 14/216:04BOS - CNS
2 stops27h 56mQantas Airways
Sat 21/215:35CNS - BOS
2 stops46h 06mQantas Airways
Deal found 31/12$2,237
Fri 1/522:00BOS - CNS
2 stops35h 20mQatar Airways
Thu 7/516:55CNS - BOS
2 stops60h 10mQatar Airways
Deal found 2/1$2,337
Fri 30/120:40BOS - CNS
3 stops44h 50mMultiple Airlines
Fri 6/211:35CNS - BOS
2 stops49h 25mMultiple Airlines
Deal found 31/12$2,392
Wed 11/216:30BOS - CNS
2 stops27h 30mQantas Airways
Sun 15/215:35CNS - BOS
2 stops29h 39mQantas Airways
Deal found 31/12$2,288
Thu 9/422:00BOS - CNS
2 stops44h 40mMultiple Airlines
Thu 16/411:00CNS - BOS
3 stops42h 05mMultiple Airlines
Deal found 2/1$2,446
Fri 20/321:40BOS - CNS
2 stops35h 25mQatar Airways
Wed 25/315:45CNS - BOS
2 stops37h 10mQatar Airways
Deal found 1/1$2,523
Fri 10/414:02BOS - CNS
2 stops35h 53mQantas Airways
Fri 17/412:35CNS - BOS
2 stops46h 26mQantas Airways
Deal found 2/1$2,334
Fri 10/422:00BOS - CNS
2 stops35h 20mMultiple Airlines
Fri 17/411:00CNS - BOS
3 stops42h 05mMultiple Airlines
Deal found 2/1$2,497
Fri 3/414:36BOS - CNS
2 stops31h 14mQantas Airways
Thu 9/412:35CNS - BOS
2 stops46h 26mQantas Airways
Deal found 2/1$2,334

Find flight deals from Boston to Cairns

Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to Cairns (CNS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 2 January 2026.

Round-trip from

$2,082

One-way from

$1,553
Qantas Airways
  • Qantas Airways
  • 30/1-6/2
  • 4 total stops
  • 96h 47m total
  • Boston to Cairns
Search Deals
American Airlines
  • American Airlines
  • 24/6
  • 2 total stops
  • 31h 55m total
  • Boston to Cairns
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Boston to Cairns that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 647,157 searches. Data last updated 2 January 2026.
Use the filters below to find and compare flights from Boston to Cairns that are best for you.

Fly from

Boston

Fly to

Cairns

Route

Depart

Return

Price

BostonCairns

BOS - CNS

BOSCNS

Boston Logan Intl

Fri 30/1

16:19-10:45

2 stops51h 26m

Cairns

Fri 6/2

11:35-17:56

2 stops45h 21m

$2,082

BostonCairns

BOS - CNS

BOSCNS

Boston Logan Intl

Sun 25/1

10:15-09:55

2 stops32h 40m

Cairns

Sat 7/2

11:25-05:00

2 stops32h 35m

$2,225

BostonCairns

BOS - CNS

BOSCNS

Boston Logan Intl

Sat 14/2

16:04-11:00

2 stops27h 56m

Cairns

Sat 21/2

15:35-22:41

2 stops46h 06m

$2,237

BostonCairns

BOS - CNS

BOSCNS

Boston Logan Intl

Thu 9/4

22:00-08:40

2 stops44h 40m

Cairns

Thu 16/4

09:20-15:05

2 stops43h 45m

$2,288

BostonCairns

BOS - CNS

BOSCNS

Boston Logan Intl

Wed 11/2

16:30-11:00

2 stops27h 30m

Cairns

Sun 15/2

15:35-06:14

2 stops29h 39m

$2,288

BostonCairns

BOS - CNS

BOSCNS

Boston Logan Intl

Fri 10/4

14:02-15:55

2 stops35h 53m

Cairns

Fri 17/4

12:35-21:01

2 stops46h 26m

$2,334

BostonCairns

BOS - CNS

BOSCNS

Boston Logan Intl

Fri 3/4

14:36-11:50

2 stops31h 14m

Cairns

Thu 9/4

12:35-21:01

2 stops46h 26m

$2,334

BostonCairns

BOS - CNS

BOSCNS

Boston Logan Intl

Fri 1/5

22:00-23:20

2 stops35h 20m

Cairns

Thu 7/5

16:55-15:05

2 stops60h 10m

$2,337

BostonCairns

BOS - CNS

BOSCNS

Boston Logan Intl

Fri 30/1

20:40-08:30

3 stops44h 50m

Cairns

Fri 6/2

11:35-22:00

2 stops49h 25m

$2,392

BostonCairns

BOS - CNS

BOSCNS

Boston Logan Intl

Thu 9/4

22:00-08:40

2 stops44h 40m

Cairns

Thu 16/4

11:00-15:05

3 stops42h 05m

$2,446

Flights are sorted by cheapest return flights first.

Deals found on 1/1

Showing 1-10 of 15 results
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Best time to book a flight from Boston to Cairns

Have a flexible travel schedule? Discover the best time to fly to Cairns from Boston with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

Find useful and relevant information for your journey from Boston to Cairns. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Boston to Cairns?

    There are many flights that can get you from Boston to Cairns in 44h 40m. Fly via Qantas Airways or Qatar Airways to get the fastest option. The distance between Boston and Cairns is about 15517 km. This flight may include one or multiple stops.

  • Can I find deals for flights from Boston to Cairns that include hotel bookings?

    Yes. In addition to deals on Boston to Cairns flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Boston to Cairns?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Boston to Cairns.

  • Can I find deals for business class flights from Boston to Cairns?

    Yes. Cheapflights offers flight deals from Boston to Cairns by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Travelling to a place near Cairns?

Book flights to Cairns if you plan to visit one of these locations
Mission Beach
Trinity Beach

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Alternative routes for Boston to Cairns

See prices for flight routes from nearby airports that may be better suited for you.
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Fly with Cheapflights

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How does Cheapflights help users find flights from Boston to Cairns?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Cairns from Boston today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Boston to Cairns?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Boston to Cairns.

Can Cheapflights find flights from Boston to Cairns with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Boston to Cairns, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Boston to Cairns become cheaper?

Yes, Cheapflights offers price alerts on Boston to Cairns flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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