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Great Barrier Reef

$1,086+ Cheap flights from Seattle (SEA) to Great Barrier Reef

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 2/20. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — CNS
Mar 3 — Mar 101
Tue 3/3
Tue 3/10
1 adult, Economy
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Cheap flight deals from Seattle to Great Barrier Reef

Cheapest flights from Seattle to Great Barrier Reef
Explore the most affordable flight options available from Seattle to Great Barrier Reef. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 1, 2026.

This oojo deal was found by Cheapflights users on 1/29. 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.
Fri 2/209:14 pm
SEA
-
CNS
2 stops44h 21m
Multiple Airlines
Thu 2/2612:35 pm
CNS
-
SEA
2 stops22h 25m
Multiple Airlines
Deal found 1/29$1,086
This Qantas Airways deal was found by Cheapflights users on 1/29. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/286:09 am
SEA
-
CNS
2 stops40h 06m
Qantas Airways
Wed 3/42:50 pm
CNS
-
SEA
2 stops41h 09m
Qantas Airways
Deal found 1/29$1,610
This Singapore Airlines deal was found by Cheapflights users on 1/29. 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 Singapore Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/288:45 am
SEA
-
CNS
1 stop38h 35m
Singapore Airlines
Wed 3/46:35 pm
CNS
-
SEA
1 stop30h 35m
Singapore Airlines
Deal found 1/29$2,891
This Gotogate 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/303:40 pm
SEA
-
CNS
2 stops26h 25m
Multiple Airlines
Fri 4/106:00 am
CNS
-
SEA
2 stops30h 18m
Multiple Airlines
Deal found 1/30$5,944

Find flight deals from Seattle to Great Barrier Reef

Keep the following information in mind while searching for Seattle to Great Barrier Reef flight deals. Data was last updated February 1, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,086
(oojo)
Provider with most accurate pricing for Seattle/Tacoma Intl-Cairns flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Cairns flights.
Search Deals
From Seattle/Tacoma Intl to Great Barrier Reef
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seattle to Great Barrier Reef 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 February 1, 2026.
Use the filters below to find and compare flights from Seattle to Great Barrier Reef that are best for you.

Fly from

Seattle

Fly to

Great Barrier Reef

Route

Depart

Return

Price

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Fri 2/20

9:14 pm-11:35 am

2 stops44h 21m

Cairns

Thu 2/26

12:35 pm-5:00 pm

2 stops22h 25m

$1,086

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Sat 2/28

6:09 am-4:15 pm

2 stops40h 06m

Cairns

Wed 3/4

2:50 pm-1:59 pm

2 stops41h 09m

$1,610

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Sat 2/28

8:45 am-5:20 pm

1 stop38h 35m

Cairns

Wed 3/4

6:35 pm-7:10 am

1 stop30h 35m

$2,891

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Mon 3/30

3:40 pm-11:05 am

2 stops26h 25m

Cairns

Fri 4/10

6:00 am-7:18 pm

2 stops30h 18m

$5,944

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/29

Best time to book a flight from Seattle to Great Barrier Reef

Have a flexible travel schedule? Discover the best time to fly to Great Barrier Reef from Seattle with our price prediction graph.
Estimated round-trip 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.

Cheapflights Insights

Everything you need to know about your flight from Seattle to Great Barrier Reef
No data available for this route at this time. Please check back soon.

Related info for your journey

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

  • What airport do you fly from for flights from Seattle to Great Barrier Reef?

    Seattle/Tacoma Intl (SEA) is the airport you will fly out of if you book a flight from Seattle to Great Barrier Reef. It is only a 11.4 mi journey to Seattle/Tacoma Intl (SEA) from Seattle’s city center.

  • How long is the flight from Seattle to Great Barrier Reef?

    Departing from Seattle to Great Barrier Reef will take you 40h 06m. The distance between Seattle and Great Barrier Reef is about 7156 mi.

  • Can I find deals for flights from Seattle to Great Barrier Reef that include hotel bookings?

    Yes. In addition to deals on Seattle to Great Barrier Reef flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Great Barrier Reef?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Great Barrier Reef.

  • Can I find deals for business class flights from Seattle to Great Barrier Reef?

    Yes. Cheapflights offers flight deals from Seattle to Great Barrier Reef 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

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