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$1,398+ 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 10/14. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — CNS
Mar 22 — Mar 291
Sun 3/22
Sun 3/29
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 February 20, 2026.

This BusinessClass deal was found by Cheapflights users on 2/19. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/142:30 pm
SEA
-
CNS
2 stops31h 10m
Multiple Airlines
Wed 10/287:20 pm
CNS
-
SEA
2 stops34h 40m
Multiple Airlines
Deal found 2/19$1,398
This Travelocity deal was found by Cheapflights users on 2/19. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/257:05 pm
SEA
-
CNS
2 stops25h 40m
Multiple Airlines
Sat 10/313:50 pm
CNS
-
SEA
2 stops36h 01m
Multiple Airlines
Deal found 2/19$1,435
This Air Canada deal was found by Cheapflights users on 2/19. 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 10/187:20 pm
SEA
-
CNS
2 stops29h 05m
Multiple Airlines
Sat 10/246:10 pm
CNS
-
SEA
2 stops41h 16m
Multiple Airlines
Deal found 2/19$1,460
This Qantas Airways deal was found by Cheapflights users on 2/16. 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 4/15:59 pm
SEA
-
CNS
2 stops24h 56m
Multiple Airlines
Wed 4/811:20 am
CNS
-
SEA
3 stops26h 22m
Multiple Airlines
Deal found 2/16$1,510
This KAYAK deal was found by Cheapflights users on 2/19. 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.
Wed 10/147:32 pm
SEA
-
CNS
2 stops28h 03m
Air New Zealand
Wed 10/285:40 pm
CNS
-
SEA
3 stops41h 46m
Air New Zealand
Deal found 2/19$1,570
This Air Canada deal was found by Cheapflights users on 2/17. 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 4/38:00 pm
SEA
-
CNS
2 stops24h 40m
Multiple Airlines
Fri 4/107:10 pm
CNS
-
SEA
2 stops41h 10m
Multiple Airlines
Deal found 2/17$1,662
This BusinessClass deal was found by Cheapflights users on 2/18. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/193:44 pm
SEA
-
CNS
2 stops25h 51m
Multiple Airlines
Sat 1/212:35 pm
CNS
-
SEA
2 stops24h 21m
Multiple Airlines
Deal found 2/18$1,699
This Expedia deal was found by Cheapflights users on 2/19. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/56:00 am
SEA
-
CNS
2 stops47h 25m
Multiple Airlines
Sun 4/127:10 pm
CNS
-
SEA
2 stops44h 48m
Multiple Airlines
Deal found 2/19$1,707

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 February 20, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,510
(Qantas Airways)
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 February 20, 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

Wed 4/1

5:59 pm-11:55 am

2 stops24h 56m

Cairns

Wed 4/8

11:20 am-8:42 pm

3 stops26h 22m

$1,510

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Fri 4/3

8:00 pm-1:40 pm

2 stops24h 40m

Cairns

Fri 4/10

7:10 pm-7:20 pm

2 stops41h 10m

$1,662

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Sun 4/5

6:00 am-10:25 pm

2 stops47h 25m

Cairns

Sun 4/12

7:10 pm-10:58 pm

2 stops44h 48m

$1,707

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Sun 4/5

3:40 pm-10:45 am

2 stops26h 05m

Cairns

Sun 4/12

6:55 pm-10:50 pm

3 stops44h 55m

$1,911

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Sun 4/5

10:15 am-5:00 pm

1 stop61h 45m

Cairns

Sun 4/12

6:15 pm-8:45 am

1 stop55h 30m

$1,970

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Fri 4/3

10:15 am-5:00 pm

1 stop37h 45m

Cairns

Fri 4/10

6:15 pm-8:45 am

1 stop31h 30m

$2,057

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Fri 4/3

3:40 pm-4:55 pm

3 stops32h 15m

Cairns

Fri 4/10

6:00 am-7:20 pm

3 stops30h 20m

$3,015

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/16

  • 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 26h 05m. Fly via Air New Zealand or Singapore Airlines to get the fastest option. Seattle and Cairns are separated by a distance of 7156 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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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