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$657+ Cheap flights from Cairns (CNS) to Seattle (SEA)

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 11/23. Fares are subject to change and may not be available on all flights or dates of travel.
CNS — SEA
Aug 23 — Aug 301
Sun 8/23
Sun 8/30
1 adult, Economy
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Cheap flight deals from Cairns to Seattle

One-way flights from Cairns to Seattle
Search for one-way flight options from Cairns to Seattle. Find affordable one-way fares based on user searches. Data last updated July 24, 2026.

This Kiwi.com deal was found by Cheapflights users on 7/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/236:00 am
CNS
-
SEA
3 stops47h 27m
Multiple Airlines
Deal found 7/21$657
This American Airlines deal was found by Cheapflights users on 7/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/236:00 am
CNS
-
SEA
2 stops26h 56m
American Airlines
Deal found 7/21$752
This FlightHub deal was found by Cheapflights users on 7/21. 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 11/236:20 pm
CNS
-
SEA
1 stop54h 50m
Singapore Airlines
Deal found 7/21$1,110

Cheapflights Fare Finder

 
Customize your flight search to find flights from Cairns to Seattle 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 July 24, 2026.
Use the filters below to find and compare flights from Cairns to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest one-way

CairnsSeattle

CNS - SEA

CNSSEA

Cairns

Mon 11/23

6:00 am-11:27 am

3 stops47h 27m

$657
Quickest one-way

CairnsSeattle

CNS - SEA

CNSSEA

Cairns

Mon 11/23

6:00 am-2:56 pm

2 stops26h 56m

$752

CairnsSeattle

CNS - SEA

CNSSEA

Cairns

Mon 11/23

6:20 pm-7:10 am

1 stop54h 50m

$1,110

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/21

Sorted by cheapest first

Best time to book a flight from Cairns to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Cairns 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 Cairns to Seattle. 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 Cairns to Seattle that include hotel bookings?

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

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

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

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

    Yes. Cheapflights offers flight deals from Cairns to Seattle by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Traveling to a place near Seattle?

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