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Cheap flights from Boston to Cairns from $1,609

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 2/1. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — CNS
16 Jul — 23 Jul1
1 adult

Cheap 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 11 July 2025.

Round-trip from

$2,098

One-way from

$1,609

Popular in

December

Cheapest in

June

Average price

$3,720
Fiji Airways
  • Fiji Airways
  • 23/8-30/8
  • 4 total stops
  • 53h 41m total
  • Boston to Cairns
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2/1
  • 2/1
  • 3 total stops
  • 52h 10m total
  • Boston to Cairns
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($530 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($287 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2025
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Find flight deals from Boston to Cairns

Cheapest flights from Boston to Cairns
Explore the most affordable flight options available from Boston to Cairns. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 July 2025.

Sat 23/816:35BOS - CNS
2 stops29h 05mFiji Airways
Sat 30/812:40CNS - BOS
2 stops24h 36mFiji Airways
Deal found 10/7$2,098
Fri 8/818:07BOS - CNS
2 stops34h 08mMultiple Airlines
Fri 22/819:00CNS - BOS
2 stops41h 34mMultiple Airlines
Deal found 10/7$2,628
Sun 27/708:05BOS - CNS
2 stops43h 45mQantas Airways
Sun 10/817:30CNS - BOS
2 stops43h 04mQantas Airways
Deal found 11/7$2,817
Wed 23/708:05BOS - CNS
2 stops45h 40mUnited Airlines
Wed 6/806:00CNS - BOS
3 stops38h 01mUnited Airlines
Deal found 11/7$2,854
Sat 23/807:30BOS - CNS
3 stops44h 40mAir New Zealand
Sat 30/817:35CNS - BOS
2 stops37h 38mAir New Zealand
Deal found 9/7$2,913
Tue 29/722:00BOS - CNS
2 stops35h 35mQatar Airways
Wed 6/809:20CNS - BOS
2 stops43h 45mQatar Airways
Deal found 11/7$3,760

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 11 July 2025.
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

Sat 23/8

16:35-11:40

2 stops29h 05m

Cairns

Sat 30/8

12:40-23:16

2 stops24h 36m

$2,098

BostonCairns

BOS - CNS

BOSCNS

Boston Logan Intl

Fri 8/8

18:07-18:15

2 stops34h 08m

Cairns

Fri 22/8

19:00-22:34

2 stops41h 34m

$2,628

BostonCairns

BOS - CNS

BOSCNS

Boston Logan Intl

Sun 27/7

08:05-17:50

2 stops43h 45m

Cairns

Mon 11/8

17:35-22:34

2 stops42h 59m

$2,817

BostonCairns

BOS - CNS

BOSCNS

Boston Logan Intl

Wed 23/7

08:05-19:45

2 stops45h 40m

Cairns

Fri 8/8

06:00-17:05

2 stops25h 05m

$2,854

BostonCairns

BOS - CNS

BOSCNS

Boston Logan Intl

Sat 23/8

07:30-18:10

3 stops44h 40m

Cairns

Sat 30/8

17:35-17:13

2 stops37h 38m

$2,913

BostonCairns

BOS - CNS

BOSCNS

Boston Logan Intl

Tue 29/7

22:00-23:35

2 stops35h 35m

Cairns

Wed 6/8

09:20-15:05

2 stops43h 45m

$3,760

BostonCairns

BOS - CNS

BOSCNS

Boston Logan Intl

Fri 2/1

11:00-06:10

3 stops52h 10m

$1,609

BostonCairns

BOS - CNS

BOSCNS

Boston Logan Intl

Fri 2/1

12:15-04:35

1 stop25h 20m

$11,004

Flights are sorted by cheapest return flights first.

Deals found on 9/7

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.

Reviews of airlines servicing Cairns

Get insights into the airlines that provide service to Cairns. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Cairns. Reviews last updated 11 July 2025.
See what other customers who have flown with Japan Airlines, Fiji Airways, andAir New Zealand from Boston to Cairns have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Japan Airlines
8.3
Very Good
1,512 reviews
Check prices

Overall

8.3

Boarding

8.4

Comfort

8.2

Food

7.7

Crew

8.7

Entertainment

7.8

Reviews

1 / 20
2.0
Mediocre

Roger,June 2025

ORD - PIT

My bag was at O’Hare airport for five hours waiting on my next flight because it was delayed for 2 1/2 hours and they couldn’t put it on the right goddamn airplane. I am home in Pennsylvania without my bag and all my stuff.
Japan Airlines
8.3
Very Good
1,512 reviews
Japan Airlines
8.3
Very Good
1,512 reviews
Check prices

Overall

8.3

Boarding

8.4

Comfort

8.2

Food

7.7

Crew

8.7

Entertainment

7.8

Reviews

1 / 20
2.0
Mediocre

Roger,June 2025

ORD - PIT

My bag was at O’Hare airport for five hours waiting on my next flight because it was delayed for 2 1/2 hours and they couldn’t put it on the right goddamn airplane. I am home in Pennsylvania without my bag and all my stuff.
Fiji Airways
8.0
Very Good
201 reviews
Japan Airlines
8.3
Very Good
1,512 reviews
Check prices

Overall

8.3

Boarding

8.4

Comfort

8.2

Food

7.7

Crew

8.7

Entertainment

7.8

Reviews

1 / 20
2.0
Mediocre

Roger,June 2025

ORD - PIT

My bag was at O’Hare airport for five hours waiting on my next flight because it was delayed for 2 1/2 hours and they couldn’t put it on the right goddamn airplane. I am home in Pennsylvania without my bag and all my stuff.
Air New Zealand
8.0
Very Good
494 reviews
Japan Airlines
8.3
Very Good
1,512 reviews
Check prices

Overall

8.3

Boarding

8.4

Comfort

8.2

Food

7.7

Crew

8.7

Entertainment

7.8

Reviews

1 / 20
2.0
Mediocre

Roger,June 2025

ORD - PIT

My bag was at O’Hare airport for five hours waiting on my next flight because it was delayed for 2 1/2 hours and they couldn’t put it on the right goddamn airplane. I am home in Pennsylvania without my bag and all my stuff.
Qantas Airways
7.5
Good
876 reviews
Japan Airlines
8.3
Very Good
1,512 reviews
Check prices

Overall

8.3

Boarding

8.4

Comfort

8.2

Food

7.7

Crew

8.7

Entertainment

7.8

Reviews

1 / 20
2.0
Mediocre

Roger,June 2025

ORD - PIT

My bag was at O’Hare airport for five hours waiting on my next flight because it was delayed for 2 1/2 hours and they couldn’t put it on the right goddamn airplane. I am home in Pennsylvania without my bag and all my stuff.
Qatar Airways
7.4
Good
3,596 reviews
Japan Airlines
8.3
Very Good
1,512 reviews
Check prices

Overall

8.3

Boarding

8.4

Comfort

8.2

Food

7.7

Crew

8.7

Entertainment

7.8

Reviews

1 / 20
2.0
Mediocre

Roger,June 2025

ORD - PIT

My bag was at O’Hare airport for five hours waiting on my next flight because it was delayed for 2 1/2 hours and they couldn’t put it on the right goddamn airplane. I am home in Pennsylvania without my bag and all my stuff.

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.

  • What are the cheapest airlines flying from Boston to Cairns round-trip?

    Flying on Fiji Airways is currently your cheapest option to Cairns, with prices starting at $2,098. Additional round-trip tickets that might be worth considering are offered by Qantas Airways and United Airlines, with the lowest prices starting at $2,817 and $2,854, respectively. You may be able to fly from Boston to Cairns for 30% less than the average price by searching for these airlines.

  • 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.

  • What is the cheapest month to book a flight from Boston to Cairns?

    Currently, March is the cheapest month in which you can book a flight from Boston to Cairns (average of $166). Flying from Boston to Cairns in October is currently the most expensive (average of $233). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Boston to Cairns

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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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