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$1,562+ Cheap flights from Boston (BOS) to Cairns (CNS)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/6. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — CNS
feb. 4 — feb. 111
mar. 2/4
mar. 2/11
1 adult, Economy
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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 enero 30, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

Expedia
3 stars

Popular in

December

Cheapest in

March

Average price

$1,747
Provider with most accurate pricing for Boston Logan Intl-Cairns flight deals.
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Provider most trusted by Cheapflights users for Boston Logan Intl-Cairns flights.
Search Deals
Highest demand for flights based on searches. 0% potential increase in price ($16 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($100 potential savings vs. average RT price).
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Average for round-trip flights in January 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 enero 30, 2025.

This KAYAK deal was found by Cheapflights users on 1/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 8/65:33 pmBOS - CNS
2 stops29h 22mQantas Airways
vie. 8/2212:45 pmCNS - BOS
2 stops32h 29mQantas Airways
Deal found 1/30$1,562
This oojo deal was found by Cheapflights users on 1/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 6/266:28 pmBOS - CNS
2 stops26h 57mFiji Airways
mar. 7/112:25 pmCNS - BOS
2 stops24h 52mFiji Airways
Deal found 1/30$1,586
This United deal was found by Cheapflights users on 1/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 8/69:58 amBOS - CNS
3 stops36h 27mUnited Airlines
vie. 8/226:00 amCNS - BOS
2 stops31h 25mUnited Airlines
Deal found 1/30$1,643
This Air Canada deal was found by Cheapflights users on 1/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 8/612:15 pmBOS - CNS
3 stops37h 40mAir Canada
vie. 8/227:15 pmCNS - BOS
3 stops41h 23mAir Canada
Deal found 1/30$2,619
This Gurufare deal was found by Cheapflights users on 1/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 6/251:45 amBOS - CNS
2 stops50h 15mMultiple Airlines
mar. 7/14:00 pmCNS - BOS
2 stops44h 20mMultiple Airlines
Deal found 1/30$2,753
This oojo deal was found by Cheapflights users on 1/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 6/261:35 pmBOS - CNS
1 stop24h 50mJapan Airlines
mar. 7/112:00 pmCNS - BOS
1 stop44h 15mJapan Airlines
Deal found 1/30$10,558

Find flights from Boston to Cairns within your budget

Customize 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 2,558,603 searches. Data last updated enero 30, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

BostonCairns

BOS - CNS

BOSCNS

Boston Logan Intl

jue. 6/26

6:28 pm-11:25 am

2 stops26h 57m

Cairns

mar. 7/1

12:25 pm-11:17 pm

2 stops24h 52m

$1,586

BostonCairns

BOS - CNS

BOSCNS

Boston Logan Intl

jue. 6/26

12:15 pm-3:55 pm

3 stops37h 40m

Cairns

mar. 7/1

6:00 am-10:11 pm

3 stops30h 11m

$2,629

BostonCairns

BOS - CNS

BOSCNS

Boston Logan Intl

mié. 6/25

1:45 am-6:00 pm

2 stops50h 15m

Cairns

mar. 7/1

4:00 pm-10:20 pm

2 stops44h 20m

$2,753

BostonCairns

BOS - CNS

BOSCNS

Boston Logan Intl

jue. 6/26

1:35 pm-4:25 am

1 stop24h 50m

Cairns

mar. 7/1

12:00 pm-6:15 pm

1 stop44h 15m

$10,558

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/30

Compare providers for flights from Boston to Cairns

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Boston to Cairns in January.
ProviderPrice AccuracyTrust Score*
AranGrantPrice Accuracy3 starsTrust Score*1 star
ExpediaPrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Boston-Cairns flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Boston-Cairns flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Boston-Cairns flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Boston-Cairns flights, Cheapflights users trust Expedia the most. Expedia has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Boston-Cairns flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.

What is the cheapest time of day to fly from BOS to CNS?

Find hourly flight availability from Boston to Cairns. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated enero 30, 2025.

One of the essential ways to save on airfare from Boston to Cairns is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at noon could potentially save you up to 23% on airfare.

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 0.8 - 16.9 inches per month. March is typically the wettest month, when rainfall can reach 16.9 in. July is typically the driest time to visit Cairns when rainfall is around 0.8 in.

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 80.6 F. Travelers looking to avoid the cold should look outside of June, when temperatures are typically at their lowest (around 69.8 F).

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.

  • 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 vacation 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 $1,134). Flying from Boston to Cairns in December is currently the most expensive (average of $2,397). 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.

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Top airline flying from Boston to Cairns

Discover the top airline that operate flights from Boston to Cairns. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated enero 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Qantas AirwaysCheapest$1,664Average$1,829FlexibilityNo cancel feeOn-time74%
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