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$1,027+ Cheap flights from Seattle (SEA) to Cairns (CNS)

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 4/9. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — CNS
Feb 6 — Feb 131
Fri 2/6
Fri 2/13
1 adult, Economy
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Cheap 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 January 7, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
1 star

Round-trip from

$1,027
(oojo)
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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Find 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 January 7, 2026.

This oojo deal was found by Cheapflights users on 1/6. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/96:59 pmSEA - CNS
2 stops23h 41mMultiple Airlines
Thu 4/2312:40 pmCNS - SEA
2 stops23h 00mMultiple Airlines
Deal found 1/6$1,027
This KAYAK deal was found by Cheapflights users on 1/6. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/146:49 pmSEA - CNS
2 stops23h 51mMultiple Airlines
Sat 5/3012:40 pmCNS - SEA
2 stops23h 15mMultiple Airlines
Deal found 1/6$1,123
This Air Canada deal was found by Cheapflights users on 1/6. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/208:00 pmSEA - CNS
2 stops27h 15mMultiple Airlines
Fri 2/276:00 amCNS - SEA
2 stops26h 31mMultiple Airlines
Deal found 1/6$1,242
This Air Canada deal was found by Cheapflights users on 1/6. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/88:00 pmSEA - CNS
2 stops28h 30mMultiple Airlines
Sun 3/156:00 amCNS - SEA
2 stops20h 31mMultiple Airlines
Deal found 1/6$1,256
This Air Canada deal was found by Cheapflights users on 1/6. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/157:20 pmSEA - CNS
2 stops25h 20mMultiple Airlines
Fri 5/296:00 amCNS - SEA
2 stops29h 30mMultiple Airlines
Deal found 1/6$1,320
This Air Canada deal was found by Cheapflights users on 1/5. 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.
Thu 2/128:00 pmSEA - CNS
2 stops27h 15mMultiple Airlines
Fri 2/206:00 amCNS - SEA
2 stops26h 31mMultiple Airlines
Deal found 1/5$1,337
This Qantas Airways deal was found by Cheapflights users on 1/6. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/134:12 pmSEA - CNS
2 stops28h 58mQantas Airways
Sun 5/313:35 pmCNS - SEA
2 stops24h 20mQantas Airways
Deal found 1/6$1,368
This Air Canada deal was found by Cheapflights users on 1/6. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/123:00 pmSEA - CNS
2 stops31h 55mAir Canada
Tue 5/266:00 amCNS - SEA
2 stops20h 15mAir Canada
Deal found 1/6$1,379
This Air Canada deal was found by Cheapflights users on 1/6. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/175:40 amSEA - CNS
2 stops36h 30mAir Canada
Mon 6/16:00 amCNS - SEA
2 stops20h 15mAir Canada
Deal found 1/6$1,380
This Qantas Airways deal was found by Cheapflights users on 1/6. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/134:12 pmSEA - CNS
2 stops25h 53mQantas Airways
Sat 5/303:35 pmCNS - SEA
2 stops24h 20mQantas Airways
Deal found 1/6$1,418
This KAYAK deal was found by Cheapflights users on 1/6. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/124:30 pmSEA - CNS
2 stops54h 25mANA
Wed 5/2712:10 pmCNS - SEA
2 stops43h 15mANA
Deal found 1/6$1,423

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 January 7, 2026.
Use the filters below to find and compare flights from Seattle to Cairns that are best for you.

Fly from

Seattle

Fly to

Cairns

Route

Depart

Return

Price

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Fri 2/20

8:00 pm-5:15 pm

2 stops27h 15m

Cairns

Fri 2/27

6:00 am-2:31 pm

2 stops26h 31m

$1,242

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Sun 3/8

8:00 pm-5:30 pm

2 stops28h 30m

Cairns

Sun 3/15

6:00 am-9:31 am

2 stops20h 31m

$1,256

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Thu 2/12

8:00 pm-5:15 pm

2 stops27h 15m

Cairns

Fri 2/20

6:00 am-2:31 pm

2 stops26h 31m

$1,337

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Sat 2/28

10:05 am-2:00 pm

2 stops33h 55m

Cairns

Wed 3/4

6:00 am-10:06 pm

2 stops34h 06m

$1,430

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Thu 2/12

3:50 pm-11:00 am

2 stops25h 10m

Cairns

Fri 2/20

3:35 pm-6:57 pm

3 stops45h 22m

$1,591

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Fri 2/20

4:50 pm-11:05 pm

3 stops36h 15m

Cairns

Fri 2/27

3:35 pm-6:57 pm

3 stops45h 22m

$1,679

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/6

  • 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 33h 55m. 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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