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Cheap flights from Boston to Cairns from $1,011

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 5/3. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — CNS
26 Feb — 5 Mar1
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 21 February 2025.

Round-trip from

$5,376

One-way from

$1,011
Qantas Airways
  • Qantas Airways
  • 21/6-6/7
  • 4 total stops
  • 67h 20m total
  • Boston to Cairns
Search Deals
5/3
  • 5/3
  • 3 total stops
  • 47h 00m total
  • Boston to Cairns
Search Deals

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 21 February 2025.

Sat 21/617:26BOS - CNS
2 stops30h 09mMultiple Airlines
Sun 6/717:25CNS - BOS
2 stops37h 11mMultiple Airlines
Deal found 20/2$5,376
Sat 21/607:00BOS - CNS
2 stops44h 00mSingapore Airlines
Sun 6/718:15CNS - BOS
3 stops37h 13mSingapore Airlines
Deal found 20/2$6,646
Sat 7/617:26BOS - CNS
2 stops30h 09mQantas Airways
Sat 28/616:10CNS - BOS
2 stops38h 25mQantas Airways
Deal found 19/2$6,964
Sat 21/613:35BOS - CNS
1 stop24h 50mJapan Airlines
Sun 6/712:30CNS - BOS
2 stops43h 40mJapan Airlines
Deal found 19/2$18,114

Find flights from Boston to Cairns within your budget

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 21 February 2025.

Fly from

Boston

Fly to

Cairns

Route

Depart

Return

Price

BostonCairns

BOS - CNS

BOSCNS

Boston Logan Intl

Sat 21/6

17:26-13:35

2 stops30h 09m

Cairns

Sun 6/7

17:25-16:36

2 stops37h 11m

$5,376

BostonCairns

BOS - CNS

BOSCNS

Boston Logan Intl

Sat 21/6

07:00-17:00

2 stops44h 00m

Cairns

Sun 6/7

18:15-17:28

3 stops37h 13m

$6,646

BostonCairns

BOS - CNS

BOSCNS

Boston Logan Intl

Sat 7/6

17:26-13:35

2 stops30h 09m

Cairns

Sat 28/6

16:10-16:35

2 stops38h 25m

$6,964

BostonCairns

BOS - CNS

BOSCNS

Boston Logan Intl

Sat 21/6

13:35-04:25

1 stop24h 50m

Cairns

Sun 6/7

12:30-18:10

2 stops43h 40m

$18,114

BostonCairns

BOS - CNS

BOSCNS

Boston Logan Intl

Wed 5/3

16:10-06:10

3 stops47h 00m

$1,011

BostonCairns

BOS - CNS

BOSCNS

Boston Logan Intl

Mon 10/3

19:25-14:55

3 stops53h 30m

$1,016

BostonCairns

BOS - CNS

BOSCNS

Boston Logan Intl

Sun 9/3

17:10-08:35

2 stops49h 25m

$1,350

BostonCairns

BOS - CNS

BOSCNS

Boston Logan Intl

Fri 7/3

21:15-14:55

2 stops50h 40m

$1,762

BostonCairns

BOS - CNS

BOSCNS

Boston Logan Intl

Sat 8/3

00:30-10:30

1 stop43h 00m

$2,214

BostonCairns

BOS - CNS

BOSCNS

Boston Logan Intl

Thu 6/3

18:20-14:55

3 stops53h 35m

$2,364

Flights are sorted by cheapest return flights first.

Deals found on 20/2

Showing 1-10 of 11 results
1
2

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.

Travel insights for flights from Boston to Cairns

Get recent, data-driven insights about flights from Boston to Cairns including ideal travel times, pricing trends, and more.

Rainfall in Cairns by month

Plan your trip to Cairns by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Cairns ranges from 20.0 - 430.0 inches per month. March is typically the wettest month, when rainfall can reach 430.0 mm. July is typically the driest time to visit Cairns when rainfall is around 20.0 mm.

Temperature in Cairns by month

Plan your trip to Cairns by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Cairns, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 27.0 C. Travellers hoping to avoid the cold should look outside of June, when temperatures are typically at their lowest (around 21.0 C).

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 21 February 2025.
Japan Airlines
8.3
Very Good
1,440 reviews
Check prices

Entertainment

7.8

Boarding

8.4

Food

7.7

Comfort

8.2

Overall

8.3

Crew

8.7

Reviews

1 / 20

10.0
Excellent

L,Nov 2024

SNA - SEA

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.

Japan Airlines
8.3
Very Good
1,440 reviews
Japan Airlines
8.3
Very Good
1,440 reviews
Check prices

Entertainment

7.8

Boarding

8.4

Food

7.7

Comfort

8.2

Overall

8.3

Crew

8.7

Reviews

1 / 20

10.0
Excellent

L,Nov 2024

SNA - SEA

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.

Singapore Airlines
8.1
Very Good
1,299 reviews
Japan Airlines
8.3
Very Good
1,440 reviews
Check prices

Entertainment

7.8

Boarding

8.4

Food

7.7

Comfort

8.2

Overall

8.3

Crew

8.7

Reviews

1 / 20

10.0
Excellent

L,Nov 2024

SNA - SEA

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.

Cathay Pacific
7.5
Good
821 reviews
Japan Airlines
8.3
Very Good
1,440 reviews
Check prices

Entertainment

7.8

Boarding

8.4

Food

7.7

Comfort

8.2

Overall

8.3

Crew

8.7

Reviews

1 / 20

10.0
Excellent

L,Nov 2024

SNA - SEA

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.

Qatar Airways
7.4
Good
3,609 reviews
Japan Airlines
8.3
Very Good
1,440 reviews
Check prices

Entertainment

7.8

Boarding

8.4

Food

7.7

Comfort

8.2

Overall

8.3

Crew

8.7

Reviews

1 / 20

10.0
Excellent

L,Nov 2024

SNA - SEA

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.

Qantas Airways
7.4
Good
814 reviews
Japan Airlines
8.3
Very Good
1,440 reviews
Check prices

Entertainment

7.8

Boarding

8.4

Food

7.7

Comfort

8.2

Overall

8.3

Crew

8.7

Reviews

1 / 20

10.0
Excellent

L,Nov 2024

SNA - SEA

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.

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 Singapore Airlines is currently your cheapest option to Cairns, with prices starting at $6,646. Additional round-trip tickets that might be worth considering are offered by Qantas Airways and Japan Airlines, with the lowest prices starting at $6,964 and $18,114, respectively.

  • What are the cheapest airlines to fly from Boston to Cairns one-way?

    $1,016 is the cheapest one-way deal found within the past few days, from Air Canada. You may also be able to find cheap deals on Etihad Airways and Qatar Airways, with prices starting from $1,350 and $1,762, respectively.

  • 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, February is the cheapest month in which you can book a flight from Boston to Cairns (average of $185). Flying from Boston to Cairns in June is currently the most expensive (average of $243). 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

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