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$594+ 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 6/19. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — CNS
Apr 10 — Apr 171
Fri 4/10
Fri 4/17
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 March 11, 2026.

This oojo deal was found by Cheapflights users on 3/8. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/712:08 pm
SEA
-
CNS
2 stops30h 32m
Multiple Airlines
Mon 8/1012:40 pm
CNS
-
SEA
2 stops23h 34m
Multiple Airlines
Deal found 3/8$1,120
This Air Canada deal was found by Cheapflights users on 3/8. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/228:00 pm
SEA
-
CNS
2 stops28h 10m
Multiple Airlines
Wed 4/296:00 am
CNS
-
SEA
2 stops20h 38m
Multiple Airlines
Deal found 3/8$1,332
This Air Canada deal was found by Cheapflights users on 3/9. 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.
Fri 4/248:00 pm
SEA
-
CNS
2 stops24h 40m
Multiple Airlines
Fri 5/17:10 pm
CNS
-
SEA
2 stops31h 40m
Multiple Airlines
Deal found 3/9$1,448
This Air Canada deal was found by Cheapflights users on 3/11. 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 4/253:40 pm
SEA
-
CNS
2 stops29h 00m
Multiple Airlines
Sat 5/27:10 pm
CNS
-
SEA
2 stops40h 20m
Multiple Airlines
Deal found 3/11$1,454
This Air Canada deal was found by Cheapflights users on 3/10. 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 4/253:40 pm
SEA
-
CNS
2 stops31h 15m
Air Canada
Wed 4/294:35 pm
CNS
-
SEA
2 stops43h 45m
Air Canada
Deal found 3/10$1,478

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 March 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,120
(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 Cairns
Search Deals

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 March 11, 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

Wed 4/22

8:00 pm-5:10 pm

2 stops28h 10m

Cairns

Wed 4/29

6:00 am-9:38 am

2 stops20h 38m

$1,332

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Sat 4/25

3:40 pm-3:55 pm

2 stops31h 15m

Cairns

Wed 4/29

6:00 am-9:38 am

2 stops20h 38m

$1,624

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Fri 4/24

11:07 am-1:40 pm

2 stops33h 33m

Cairns

Fri 5/1

11:40 am-11:15 am

1 stop40h 35m

$1,730

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Sat 4/25

1:30 pm-4:30 am

1 stop22h 00m

Cairns

Sat 5/2

11:40 am-11:15 am

1 stop40h 35m

$2,223

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Sat 4/25

10:15 am-5:00 pm

1 stop37h 45m

Cairns

Wed 4/29

6:15 pm-8:45 am

1 stop31h 30m

$2,476
Cheapest one-way

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Thu 7/23

11:10 pm-9:50 am

2 stops41h 40m

$703

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Sun 7/19

11:10 pm-9:50 am

2 stops41h 40m

$793
Quickest one-way

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Fri 6/19

1:00 pm-4:10 pm

3 stops34h 10m

$843

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/8

Sorted by cheapest first

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 March.
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 31h 15m. 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.

See more FAQs

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