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$524+ Cheap flights from Seattle (SEA) to Cairns (CNS)

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 8/27. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — CNS
May 8 — May 151
Fri 5/8
Fri 5/15
1 adult, Economy
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Cheap flight deals from Seattle to Cairns

Cheapest flights from Seattle to Cairns
Explore the most affordable flight options available from Seattle to Cairns. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 8, 2026.

This BusinessClass deal was found by Cheapflights users on 4/6. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/226:01 pm
SEA
-
CNS
2 stops24h 39m
Multiple Airlines
Mon 9/712:40 pm
CNS
-
SEA
2 stops26h 02m
Multiple Airlines
Deal found 4/6$1,116
This Priceline deal was found by Cheapflights users on 4/7. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/222:55 pm
SEA
-
CNS
2 stops32h 00m
Air Canada
Fri 5/296:00 am
CNS
-
SEA
2 stops29h 30m
Air Canada
Deal found 4/7$1,411
This Justfly.com deal was found by Cheapflights users on 4/6. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/217:20 pm
SEA
-
CNS
2 stops22h 50m
Multiple Airlines
Mon 8/37:15 pm
CNS
-
SEA
2 stops44h 33m
Multiple Airlines
Deal found 4/6$1,412
This Air Canada deal was found by Cheapflights users on 4/5. 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.
Sun 10/187:20 pm
SEA
-
CNS
2 stops26h 35m
Air Canada
Thu 10/226:00 am
CNS
-
SEA
2 stops25h 22m
Air Canada
Deal found 4/5$1,421
This Air Canada deal was found by Cheapflights users on 4/4. 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.
Sat 10/173:00 pm
SEA
-
CNS
2 stops30h 55m
Air Canada
Wed 10/216:00 am
CNS
-
SEA
2 stops20h 52m
Air Canada
Deal found 4/4$1,571
This FlightHub deal was found by Cheapflights users on 4/4. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/103:00 pm
SEA
-
CNS
2 stops27h 10m
Air Canada
Fri 8/146:00 am
CNS
-
SEA
2 stops29h 32m
Air Canada
Deal found 4/4$1,637
This KAYAK deal was found by Cheapflights users on 4/8. 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.
Sat 8/2210:15 am
SEA
-
CNS
1 stop37h 45m
Singapore Airlines
Mon 9/76:15 pm
CNS
-
SEA
1 stop31h 30m
Singapore Airlines
Deal found 4/8$1,803

Find flight deals from Seattle to Cairns

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) 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 April 8, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,116
(BusinessClass)

One-way from

$524
(Kiwi.com)
Provider with most accurate pricing for Seattle/Tacoma Intl-Cairns flight deals.
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Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Cairns flights.
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From Seattle/Tacoma Intl to Cairns
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One-way flight from Seattle/Tacoma Intl to Cairns
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Seattle 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 April 8, 2026.
Use the filters below to find and compare flights from Seattle to Cairns that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Sat 8/22

6:01 pm-11:40 am

2 stops24h 39m

Cairns

Mon 9/7

12:40 pm-9:42 pm

2 stops26h 02m

$1,116

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Sun 6/21

7:20 pm-11:10 am

2 stops22h 50m

Cairns

Mon 8/3

7:15 pm-10:48 pm

2 stops44h 33m

$1,412

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Mon 8/10

3:00 pm-11:10 am

2 stops27h 10m

Cairns

Fri 8/14

6:00 am-6:32 pm

2 stops29h 32m

$1,637

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Fri 5/22

10:45 am-3:55 pm

2 stops36h 10m

Cairns

Fri 5/29

3:45 pm-10:05 am

3 stops35h 20m

$2,026

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Mon 8/10

1:25 pm-4:30 am

1 stop22h 05m

Cairns

Fri 8/14

6:00 am-6:32 pm

2 stops29h 32m

$2,064
Cheapest one-way

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Wed 9/2

11:03 am-4:10 pm

3 stops36h 07m

$613

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Fri 8/28

9:07 pm-11:40 am

2 stops45h 33m

$674

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Sun 8/30

11:10 pm-9:50 am

2 stops41h 40m

$770
Quickest one-way

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Wed 8/26

1:30 pm-4:30 am

1 stop22h 00m

$856

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Thu 8/27

1:30 pm-4:30 am

1 stop22h 00m

$896

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/5

Showing 1-10 of 11 resultsSorted by cheapest first
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Compare providers for flights from Seattle 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 Seattle to Cairns in April.
ProviderPrice AccuracyTrust Score*
AranGrantPrice Accuracy2 starsTrust Score*2 stars
FlightHubPrice Accuracy3 starsTrust 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 Seattle-Cairns flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-Cairns flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seattle-Cairns flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Seattle-Cairns flights, Cheapflights users trust FlightHub the most. FlightHub 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 Seattle-Cairns flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Seattle to Cairns

Have a flexible travel schedule? Discover the best time to fly to Cairns 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.

Related info for your journey

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

  • How long is the flight from Seattle to Cairns?

    There are many flights that can get you from Seattle to Cairns in 27h 10m. Fly via Air Canada to get the fastest option. Seattle and Cairns are separated by a distance of 7156 mi.

  • Can I find deals for flights from Seattle to Cairns that include hotel bookings?

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

  • How can I find direct flights from Seattle to Cairns?

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

  • Can I find deals for business class flights from Seattle to Cairns?

    Yes. Cheapflights offers flight deals from Seattle 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.

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