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$1,239+ Cheap flights from Cairns (CNS) to Seattle (SEA)

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 3/19. Fares are subject to change and may not be available on all flights or dates of travel.
CNS — SEA
Feb 1 — Feb 81
Sun 2/1
Sun 2/8
1 adult, Economy
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Cheap flight deals from Cairns to Seattle

Best flights from Cairns to Seattle
Discover carefully curated flight deals from Cairns to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated January 2, 2026.

This Qantas Airways deal was found by Cheapflights users on 12/31. 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.
Thu 3/199:20 amCNS - SEA
2 stops28h 22mQantas Airways
Mon 3/232:53 pmSEA - CNS
2 stops39h 12mQantas Airways
Deal found 12/31$1,239
This Air Canada deal was found by Cheapflights users on 12/30. 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.
Thu 3/196:00 amCNS - SEA
2 stops26h 01mAir Canada
Mon 3/238:10 amSEA - CNS
3 stops37h 45mAir Canada
Deal found 12/30$1,502

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 January 2, 2026.

Round-trip from

$1,239
(Qantas Airways)
From Cairns to Seattle/Tacoma Intl
Search Deals

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 January 2, 2026.
Use the filters below to find and compare flights from Cairns to Seattle that are best for you.

Fly from

Cairns

Fly to

Seattle

Route

Depart

Return

Price

CairnsSeattle

CNS - SEA

CNSSEA

Cairns

Thu 3/19

9:20 am-8:42 pm

2 stops28h 22m

Seattle/Tacoma Intl

Mon 3/23

2:53 pm-11:05 pm

2 stops39h 12m

$1,239

CairnsSeattle

CNS - SEA

CNSSEA

Cairns

Thu 3/19

6:00 am-3:01 pm

2 stops26h 01m

Seattle/Tacoma Intl

Mon 3/23

8:10 am-2:55 pm

3 stops37h 45m

$1,502

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/31

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.

  • How long is the flight from Cairns to Seattle?

    A quick flight from Cairns to Seattle can take about 26h 01m. Qantas Airways provides one of the quickest options available for as low as $1,502. Airlines will cover a distance of 7156 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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.

See more FAQs

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Tacoma
SeaTac
Lakewood
Ocean Shores
Olympia
Edmonds
Lynnwood
Renton
Puyallup
Kirkland
Kent
Tukwila
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Fife
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Federal Way
Chehalis
Tumwater

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