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Great Barrier Reef

$1,420+ 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 1/12. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — CNS
Nov 25 — Dec 21
Tue 11/25
Tue 12/2
1 adult, Economy
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Cheap 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 October 26, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
1 star

Round-trip from

$1,420
(Gurufare)
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.
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From Seattle/Tacoma Intl to Great Barrier Reef
Search Deals

Find 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 October 26, 2025.

This Expedia deal was found by Cheapflights users on 10/23. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/84:59 pmSEA - CNS
2 stops26h 51mMultiple Airlines
Mon 12/156:05 pmCNS - SEA
2 stops44h 30mMultiple Airlines
Deal found 10/23$1,496
This oojo deal was found by Cheapflights users on 10/25. 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.
Tue 12/94:59 pmSEA - CNS
2 stops24h 01mQantas Airways
Tue 12/1611:35 amCNS - SEA
2 stops44h 49mQantas Airways
Deal found 10/25$1,513
This Jetabroad deal was found by Cheapflights users on 10/25. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/912:30 pmSEA - CNS
3 stops28h 30mMultiple Airlines
Tue 12/165:35 pmCNS - SEA
3 stops46h 31mMultiple Airlines
Deal found 10/25$1,603

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 October 26, 2025.
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

Mon 1/12

5:53 pm-10:45 am

2 stops46h 52m

Cairns

Tue 1/20

11:35 am-12:29 pm

2 stops42h 54m

$1,420

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Mon 12/8

4:59 pm-1:50 pm

2 stops26h 51m

Cairns

Mon 12/15

6:05 pm-8:35 pm

2 stops44h 30m

$1,496

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Mon 1/12

7:55 pm-9:55 am

2 stops44h 00m

Cairns

Tue 1/20

11:25 am-8:52 pm

2 stops27h 27m

$1,534

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Tue 12/9

12:30 pm-11:00 am

3 stops28h 30m

Cairns

Tue 12/16

5:35 pm-10:06 pm

3 stops46h 31m

$1,603

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Mon 1/12

5:50 am-4:35 am

2 stops28h 45m

Cairns

Tue 1/20

7:30 pm-9:31 am

3 stops32h 01m

$1,684

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/25

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 44h. The distance between Seattle and Great Barrier Reef is about 7156 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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.

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