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$485+ 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 9/8. Fares are subject to change and may not be available on all flights or dates of travel.
CNS — SEA
Aug 30 — Sep 61
Sun 8/30
Sun 9/6
1 adult, Economy
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Cheap flight deals from Cairns to Seattle

Cheapest flights from Cairns to Seattle
Explore the most affordable flight options available from Cairns to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2026.

This Qantas Airways deal was found by Cheapflights users on 7/27. 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.
Mon 8/243:45 pm
CNS
-
SEA
3 stops31h 15m
Multiple Airlines
Mon 8/315:10 pm
SEA
-
CNS
2 stops24h 25m
Multiple Airlines
Deal found 7/27$1,124
This lastminute.com deal was found by Cheapflights users on 7/29. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/36:50 am
CNS
-
SEA
2 stops31h 55m
Qantas Airways
Fri 8/75:02 pm
SEA
-
CNS
2 stops27h 38m
Qantas Airways
Deal found 7/29$1,823
This Qantas Airways deal was found by Cheapflights users on 7/29. 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.
Mon 8/31:55 pm
CNS
-
SEA
2 stops25h 03m
Multiple Airlines
Fri 8/73:55 pm
SEA
-
CNS
3 stops28h 00m
Multiple Airlines
Deal found 7/29$2,385

Find flight deals from Cairns to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Cairns (CNS) to Seattle (SEA). 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 July 31, 2026.

Round-trip from

$1,124
(Qantas Airways)

One-way from

$485
(Kiwi.com)
From Cairns to Seattle/Tacoma Intl
Search Deals
One-way flight from Cairns to Seattle/Tacoma Intl
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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 31, 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 round-trip
Quickest round-trip

CairnsSeattle

CNS - SEA

CNSSEA

Cairns

Mon 8/24

1:55 pm-10:59 pm

2 stops26h 04m

Seattle/Tacoma Intl

Mon 8/31

5:10 pm-10:35 am

2 stops24h 25m

$1,124
Cheapest one-way

CairnsSeattle

CNS - SEA

CNSSEA

Cairns

Tue 9/8

7:10 pm-6:10 pm

3 stops40h 00m

$485
Quickest one-way

CairnsSeattle

CNS - SEA

CNSSEA

Cairns

Tue 9/8

3:45 pm-10:59 pm

2 stops24h 14m

$756

CairnsSeattle

CNS - SEA

CNSSEA

Cairns

Tue 9/8

6:15 pm-8:45 am

1 stop55h 30m

$1,239

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

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?

Book flights to Seattle if you plan to visit one of these locations
SeaTac
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Tacoma
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Snoqualmie
Tumwater
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Shoreline

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