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$1,544+ 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 11/1. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — CNS
nov. 7 — nov. 141
vie. 11/7
vie. 11/14
1 adult, Economy
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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 octubre 8, 2025.

This Air Canada deal was found by Cheapflights users on 10/6. 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.
sáb. 11/13:40 pmSEA - CNS
2 stops32h 35mMultiple Airlines
mié. 11/56:00 amCNS - SEA
2 stops21h 31mMultiple Airlines
Deal found 10/6$1,544
This Air Canada deal was found by Cheapflights users on 10/8. 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.
sáb. 11/110:05 amSEA - CNS
2 stops34h 55mAir Canada
mié. 11/56:00 amCNS - SEA
2 stops34h 06mAir Canada
Deal found 10/8$1,547
This Air Canada deal was found by Cheapflights users on 10/6. 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.
dom. 10/197:15 pmSEA - CNS
2 stops29h 00mMultiple Airlines
sáb. 10/256:00 pmCNS - SEA
2 stops32h 31mMultiple Airlines
Deal found 10/6$1,579
This Air Canada deal was found by Cheapflights users on 10/6. 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.
jue. 11/2010:05 amSEA - CNS
2 stops33h 55mAir Canada
jue. 11/276:00 amCNS - SEA
2 stops21h 31mAir Canada
Deal found 10/6$1,659
This Cathay Pacific deal was found by Cheapflights users on 10/6. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/206:05 amSEA - CNS
3 stops40h 10mMultiple Airlines
jue. 11/2712:35 pmCNS - SEA
3 stops46h 13mMultiple Airlines
Deal found 10/6$1,700
This Mytrip deal was found by Cheapflights users on 10/7. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/2012:10 amSEA - CNS
2 stops35h 35mMultiple Airlines
vie. 11/2812:35 pmCNS - SEA
3 stops46h 11mMultiple Airlines
Deal found 10/7$1,782
This Air Canada deal was found by Cheapflights users on 10/7. 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.
sáb. 11/228:00 pmSEA - CNS
2 stops27h 15mMultiple Airlines
sáb. 11/296:00 amCNS - SEA
2 stops21h 31mMultiple Airlines
Deal found 10/7$1,800
This Gurufare deal was found by Cheapflights users on 10/8. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 10/192:55 pmSEA - CNS
2 stops25h 50mAir New Zealand
sáb. 10/256:40 pmCNS - SEA
3 stops41h 36mAir New Zealand
Deal found 10/8$1,830

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 octubre 8, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,279
(Air Canada)
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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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 octubre 8, 2025.
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

sáb. 11/1

3:40 pm-5:15 pm

2 stops32h 35m

Cairns

mié. 11/5

6:00 am-9:31 am

2 stops21h 31m

$1,544

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

sáb. 11/1

10:05 am-2:00 pm

2 stops34h 55m

Cairns

mié. 11/5

6:00 am-10:06 pm

2 stops34h 06m

$1,547

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

jue. 11/20

10:05 am-2:00 pm

2 stops33h 55m

Cairns

jue. 11/27

6:00 am-9:31 am

2 stops21h 31m

$1,659

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

jue. 11/20

6:05 am-4:15 pm

3 stops40h 10m

Cairns

jue. 11/27

12:35 pm-3:46 pm

3 stops45h 11m

$1,698

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

dom. 10/19

2:55 pm-2:15 pm

2 stops30h 20m

Cairns

sáb. 10/25

6:00 pm-2:31 pm

2 stops37h 31m

$1,707

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

sáb. 11/22

12:41 pm-2:05 pm

3 stops31h 24m

Cairns

sáb. 11/29

5:00 pm-10:06 pm

3 stops47h 06m

$1,782

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

jue. 11/20

12:10 am-5:45 am

2 stops35h 35m

Cairns

vie. 11/28

12:35 pm-4:46 pm

3 stops46h 11m

$1,782

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

sáb. 11/22

8:00 pm-5:15 pm

2 stops27h 15m

Cairns

sáb. 11/29

6:00 am-9:31 am

2 stops21h 31m

$1,800

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/6

  • 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.

Cheapflights Insights

Everything you need to know about your flight from Seattle to Cairns

What is the cheapest time of day to fly from SEA to CNS?

Find hourly flight availability from Seattle to Cairns. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated octubre 8, 2025.

When flying from Seattle to Cairns, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 9% versus a flight in the afternoon.

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 34h 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.

See more FAQs

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