Cheap flights from Cairns to Seattle from $1,009

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Cairns to Seattle departing on 3/19. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Qantas Airways Logo
2:50 pm - 8:42 pm
CNS
-
SEA
22h 52m
2 stops
Qantas Airways Logo
2:53 pm - 11:00 am
SEA
-
CNS
27h 07m
2 stops
$1,009Qantas Airways
Thu, Mar 19 - Mon, Mar 23
Qantas Airways Logo
11:45 am - 8:42 pm
CNS
-
SEA
25h 57m
2 stops
Qantas Airways Logo
2:53 pm - 11:00 am
SEA
-
CNS
27h 07m
2 stops
$1,010Qantas Airways
Thu, Mar 19 - Mon, Mar 23
Qantas Airways Logo
11:45 am - 8:42 pm
CNS
-
SEA
25h 57m
2 stops
Qantas Airways Logo
2:53 pm - 2:05 pm
SEA
-
CNS
30h 12m
2 stops
$1,017Qantas Airways
Thu, Mar 19 - Mon, Mar 23
Qantas Airways Logo
6:00 am - 8:42 pm
CNS
-
SEA
31h 42m
2 stops
Qantas Airways Logo
2:53 pm - 2:05 pm
SEA
-
CNS
30h 12m
2 stops
$1,018Qantas Airways
Thu, Mar 19 - Mon, Mar 23
United Airlines Logo
6:00 am - 11:40 am
CNS
-
SEA
22h 40m
2 stops
United Airlines Logo
8:00 am - 2:55 pm
SEA
-
CNS
37h 55m
3 stops
$1,333United Airlines
Thu, Mar 19 - Mon, Mar 23
United Airlines Logo
6:00 am - 11:40 am
CNS
-
SEA
22h 40m
2 stops
United Airlines Logo
8:00 am - 2:55 pm
SEA
-
CNS
37h 55m
3 stops
$1,334United Airlines
Thu, Mar 19 - Mon, Mar 23

Qantas Airways flights from Cairns to Seattle

Our best Qantas Airways deals on Cairns to Seattle flight tickets
Qantas Airways
Mar 19
CNS2:50 pmCairns
22h 52m
2 stops
SEA8:42 pmSeattle/Tacoma Intl
Mar 23
SEA2:53 pmSeattle/Tacoma Intl
27h 07m
2 stops
CNS11:00 amCairns
$1,009
Qantas Airways
Mar 19
CNS11:45 amCairns
25h 57m
2 stops
SEA8:42 pmSeattle/Tacoma Intl
Mar 23
SEA2:53 pmSeattle/Tacoma Intl
27h 07m
2 stops
CNS11:00 amCairns
$1,010
Qantas Airways
Mar 19
CNS11:45 amCairns
25h 57m
2 stops
SEA8:42 pmSeattle/Tacoma Intl
Mar 23
SEA2:53 pmSeattle/Tacoma Intl
30h 12m
2 stops
CNS2:05 pmCairns
$1,017

United Airlines flights from Cairns to Seattle

Our best United Airlines deals on Cairns to Seattle flight tickets
United Airlines
Mar 19
CNS6:00 amCairns
22h 40m
2 stops
SEA11:40 amSeattle/Tacoma Intl
Mar 23
SEA8:00 amSeattle/Tacoma Intl
37h 55m
3 stops
CNS2:55 pmCairns
$1,333
United Airlines
Mar 19
CNS6:00 amCairns
22h 40m
2 stops
SEA11:40 amSeattle/Tacoma Intl
Mar 23
SEA8:00 amSeattle/Tacoma Intl
37h 55m
3 stops
CNS2:55 pmCairns
$1,334

momondo 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, momondo users made 832,500 searches. Data last updated February 5, 2026.
Use the filters below to find and compare flights from Cairns to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

CairnsSeattle

CNS - SEA

CNSSEA

Cairns

Thu 3/19

2:50 pm-8:42 pm

2 stops22h 52m

Seattle/Tacoma Intl

Mon 3/23

2:53 pm-11:00 am

2 stops27h 07m

$1,009

CairnsSeattle

CNS - SEA

CNSSEA

Cairns

Thu 3/19

11:45 am-8:42 pm

2 stops25h 57m

Seattle/Tacoma Intl

Mon 3/23

2:53 pm-11:00 am

2 stops27h 07m

$1,010

CairnsSeattle

CNS - SEA

CNSSEA

Cairns

Thu 3/19

11:45 am-8:42 pm

2 stops25h 57m

Seattle/Tacoma Intl

Mon 3/23

2:53 pm-2:05 pm

2 stops30h 12m

$1,017

CairnsSeattle

CNS - SEA

CNSSEA

Cairns

Thu 3/19

6:00 am-8:42 pm

2 stops31h 42m

Seattle/Tacoma Intl

Mon 3/23

2:53 pm-2:05 pm

2 stops30h 12m

$1,018

CairnsSeattle

CNS - SEA

CNSSEA

Cairns

Thu 3/19

6:00 am-11:40 am

2 stops22h 40m

Seattle/Tacoma Intl

Mon 3/23

8:00 am-2:55 pm

3 stops37h 55m

$1,333

CairnsSeattle

CNS - SEA

CNSSEA

Cairns

Thu 3/19

6:00 am-11:40 am

2 stops22h 40m

Seattle/Tacoma Intl

Mon 3/23

8:00 am-2:55 pm

3 stops37h 55m

$1,334

CairnsSeattle

CNS - SEA

CNSSEA

Cairns

Tue 2/10

6:00 am-6:40 pm

2 stops30h 40m

$2,467

CairnsSeattle

CNS - SEA

CNSSEA

Cairns

Tue 2/10

6:00 am-6:10 pm

3 stops30h 10m

$2,778

CairnsSeattle

CNS - SEA

CNSSEA

Cairns

Tue 2/10

11:55 am-9:55 am

1 stop40h 00m

$8,849

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from Cairns to Seattle

Are you open to changing your travel dates? Check out the ideal times to fly from Cairns to Seattle according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Cairns to Seattle (CNS to SEA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Cairns to Seattle

Fastest flight time

31h 42m

Direct flights

None
The fastest flight from Cairns to Seattle takes 31h 42m
There are no direct flights from Cairns to Seattle. There are no popular flight routes from Cairns to Seattle.
  • How far is Cairns to Seattle/Tacoma Intl by plane?

    Seattle/Tacoma Intl is 7157.5 mi away from Cairns. 31h 42m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Cairns Airport to Seattle/Tacoma Intl Airport?

    Prices for flights from Cairns Airport to Seattle/Tacoma Intl Airport were last updated today.

  • How old do you have to be to fly from Cairns Airport to Seattle/Tacoma Intl Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Cairns Airport to Seattle/Tacoma Intl Airport.

  • What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

    The travel and health documents required for your trip to Seattle/Tacoma Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Seattle/Tacoma Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • How do I get Price Alerts for flights from Cairns to Seattle?

    Price Alerts will notify you by email when the price for flights to Seattle from Cairns decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.

  • How can I save money on flights from Cairns to Seattle with momondo?

    By using tools like our “Price Calendar”, you can see the best day to fly round-trip for your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

  • How does momondo find its flight prices?

    We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Tacoma
Leavenworth
SeaTac
Ocean Shores
Renton
Olympia
Lynnwood
Kent
Marysville
Redmond
Puyallup
Cle Elum
Tukwila
Lakewood
Federal Way
Westport
Kirkland
Centralia
Fife
Tumwater

Why use momondo?

Why should I use momondo to find a flight deal from Cairns to Seattle?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Cairns to Seattle for you.

Can I find flights from Cairns to Seattle with flexible booking policies on momondo?

momondo does allow users to show only those flights to Seattle from Cairns which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Cairns to Seattle?

momondo provides multiple filters to help you find the best flight to Seattle from Cairns. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Cairns to Seattle right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Seattle from Cairns. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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1 adult
Sat 3/7
Sat 3/14

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