How long is the flight from Seattle to Cairns?

There are many flights that can get you from Seattle to Cairns in 41h 54m. Fly via Cathay Pacific or Air New Zealand 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.

In terms of precipitation, rainfall in Cairns ranges from 0.8 - 16.9 inches per month. March is typically the wettest month, when rainfall can reach 16.9 in. July is typically the driest time to visit Cairns when rainfall is around 0.8 in.

If weather is an important factor for your trip to Cairns, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of June, when temperatures are typically at their lowest (around 69.8 F).

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

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Seattle to Cairns as you normally would.

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.

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.

$720+ Flights from Seattle 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 November 20, 2025.

Mon 12/225:49 pmSEA - CNS

2 stops46h 06mCathay Pacific

Sun 6/2112:35 pmCNS - SEA

2 stops39h 00mCathay Pacific

Deal found 11/19

$1,945

Mon 12/2212:30 pmSEA - CNS

1 stop22h 05mMultiple Airlines

Sun 6/2111:40 amCNS - SEA

2 stops49h 48mMultiple Airlines

Deal found 11/19

$2,194

Best flights from Seattle to Cairns
Discover carefully curated flight deals from Seattle to Cairns that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 20, 2025.

Mon 12/225:49 pmSEA - CNS

2 stops46h 06mCathay Pacific

Sun 6/2112:35 pmCNS - SEA

2 stops39h 00mCathay Pacific

Deal found 11/19

$1,945

Mon 12/2212:30 pmSEA - CNS

1 stop22h 05mMultiple Airlines

Sun 6/2111:40 amCNS - SEA

2 stops49h 48mMultiple Airlines

Deal found 11/19

$2,194

Sun 1/49:06 amSEA - CNS

3 stops41h 54mAir New Zealand

Sun 1/115:35 pmCNS - SEA

3 stops46h 31mAir New Zealand

Deal found 11/19

$2,542

Sun 1/46:00 amSEA - CNS

2 stops37h 50mMultiple Airlines

Sun 1/116:40 amCNS - SEA

2 stops33h 18mMultiple Airlines

Deal found 11/19

$2,258

Last-minute flights from Seattle to Cairns
Discover last-minute flight deals from Seattle to Cairns. Data last updated November 20, 2025 and is based on user searches.

Mon 12/225:49 pmSEA - CNS

2 stops46h 06mCathay Pacific

Sun 6/2112:35 pmCNS - SEA

2 stops39h 00mCathay Pacific

Deal found 11/19

$1,945

Mon 12/2212:30 pmSEA - CNS

1 stop22h 05mMultiple Airlines

Sun 6/2111:40 amCNS - SEA

2 stops49h 48mMultiple Airlines

Deal found 11/19

$2,194

One-way flights from Seattle to Cairns
Search for one-way flight options from Seattle to Cairns. Find affordable one-way fares based on user searches. Data last updated November 20, 2025.

Sun 3/296:10 amSEA - CNS

2 stops35h 40mQantas Airways

Deal found 11/19

$720

Mon 3/306:10 amSEA - CNS

2 stops35h 40mQantas Airways

Deal found 11/19

$747

Fri 3/276:10 amSEA - CNS

2 stops41h 45mQantas Airways

Deal found 11/19

$758

Sat 3/286:10 amSEA - CNS

2 stops40h 05mQantas Airways

Deal found 11/19

$762

Thu 3/266:10 amSEA - CNS

2 stops59h 40mQantas Airways

Deal found 11/19

$771

Wed 4/13:35 pmSEA - CNS

2 stops27h 20mQantas Airways

Deal found 11/19

$777

Sun 3/298:00 pmSEA - CNS

3 stops45h 50mMultiple Airlines

Deal found 11/19

$988

Fri 3/279:45 amSEA - CNS

1 stop38h 15mSingapore Airlines

Deal found 11/19

$1,093

Sat 3/288:10 amSEA - CNS

3 stops37h 45mAir Canada

Deal found 11/19

$1,397

Fri 3/278:10 amSEA - CNS

3 stops37h 45mAir Canada

Deal found 11/19

$1,429

Thu 3/268:10 amSEA - CNS

3 stops37h 45mAir Canada

Deal found 11/19

$1,515

Mon 3/308:00 amSEA - CNS

3 stops37h 55mAir Canada

Deal found 11/19

$1,941

Cheap flight deals from Seattle to Cairns

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 1 star
Round-trip from	$1,091 (Air Canada)
One-way from	$720 (Ovago)

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.

Search Deals

From Seattle/Tacoma Intl to Cairns

Search Deals

One-way flight from Seattle/Tacoma Intl to Cairns

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Mon 12/22

5:49 pm-9:55 am

2 stops46h 06m

Cairns

Sun 6/21

12:35 pm-10:35 am

2 stops39h 00m

$1,945

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Mon 12/22

12:30 pm-4:35 am

1 stop22h 05m

Cairns

Sun 6/21

11:40 am-8:28 pm

2 stops49h 48m

$2,194

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Sun 1/4

6:00 am-1:50 pm

2 stops37h 50m

Cairns

Sun 1/11

6:40 am-9:58 pm

2 stops33h 18m

$2,258

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Sun 1/4

9:06 am-9:00 pm

3 stops41h 54m

Cairns

Sun 1/11

5:35 pm-10:06 pm

3 stops46h 31m

$2,542

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Sun 3/29

6:10 am-10:50 am

2 stops35h 40m

$720

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Mon 3/30

6:10 am-10:50 am

2 stops35h 40m

$747

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Tue 3/31

3:35 pm-10:50 am

2 stops26h 15m

$747

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Fri 3/27

6:10 am-4:55 pm

2 stops41h 45m

$758

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Sat 3/28

6:10 am-3:15 pm

2 stops40h 05m

$762

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Thu 3/26

6:10 am-10:50 am

2 stops59h 40m

$771

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/19

Showing 1-10 of 16 results

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

How long is the flight from Seattle to Cairns?
There are many flights that can get you from Seattle to Cairns in 41h 54m. Fly via Cathay Pacific or Air New Zealand 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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$720+ Cheap flights from Seattle (SEA) to Cairns (CNS)

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 3/29. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Seattle to Cairns with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Find flight deals from Seattle to Cairns

Cheapest flights from Seattle to CairnsExplore 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 November 20, 2025.

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 November 20, 2025.

Cheap flight deals from Seattle to Cairns

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Round-trip from

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

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.

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?

Can I find deals for flights from Seattle to Cairns that include hotel bookings?

How can I find direct flights from Seattle to Cairns?

Can I find deals for business class flights from Seattle to Cairns?

Browse thousands of different options on Cheapflights for your next trip

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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 November 20, 2025.