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Cheap flights from Seattle to Cairns from $1,088

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Cairns departing on 8/21. 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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Find the cheapest flights from Seattle to Cairns

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
9:07 pm - 11:40 am
SEA
-
CNS
45h 33m
2 stops
Multiple Airlines Logo
12:40 pm - 5:57 pm
CNS
-
SEA
22h 17m
2 stops
$1,088Multiple Airlines
Fri, Aug 21 - Mon, Aug 31
Multiple Airlines Logo
11:45 am - 7:30 pm
SEA
-
CNS
38h 45m
2 stops
Multiple Airlines Logo
9:25 am - 10:05 am
CNS
-
SEA
41h 40m
2 stops
$1,405Multiple Airlines
Tue, Apr 7 - Tue, Apr 14
Multiple Airlines Logo
5:59 pm - 4:55 pm
SEA
-
CNS
29h 56m
3 stops
Multiple Airlines Logo
11:55 am - 8:05 pm
CNS
-
SEA
25h 10m
2 stops
$1,528Multiple Airlines
Fri, Aug 21 - Mon, Aug 31
Multiple Airlines Logo
8:00 pm - 1:40 pm
SEA
-
CNS
24h 40m
2 stops
Multiple Airlines Logo
6:00 am - 7:20 pm
CNS
-
SEA
30h 20m
2 stops
$1,554Multiple Airlines
Thu, Apr 9 - Thu, Apr 16
Air New Zealand Logo
11:00 am - 4:55 pm
SEA
-
CNS
36h 55m
3 stops
Air New Zealand Logo
5:00 pm - 10:22 pm
CNS
-
SEA
46h 22m
3 stops
$1,658Air New Zealand
Fri, Aug 21 - Mon, Aug 31
Air New Zealand Logo
8:45 am - 7:30 pm
SEA
-
CNS
41h 45m
3 stops
Air New Zealand Logo
6:20 pm - 4:04 pm
CNS
-
SEA
38h 44m
2 stops
$1,674Air New Zealand
Tue, Apr 7 - Tue, Apr 14
Air New Zealand Logo
3:40 pm - 10:45 am
SEA
-
CNS
26h 05m
2 stops
Air New Zealand Logo
6:00 am - 10:50 pm
CNS
-
SEA
33h 50m
3 stops
$1,723Air New Zealand
Thu, Apr 9 - Thu, Apr 16
Multiple Airlines Logo
5:59 pm - 11:40 am
SEA
-
CNS
24h 41m
2 stops
Multiple Airlines Logo
11:40 am - 11:05 am
CNS
-
SEA
40h 25m
1 stop
$1,754Multiple Airlines
Thu, Apr 9 - Thu, Apr 16
Multiple Airlines Logo
1:25 pm - 4:30 am
SEA
-
CNS
22h 05m
1 stop
Multiple Airlines Logo
5:40 pm - 10:20 am
CNS
-
SEA
33h 40m
2 stops
$1,853Multiple Airlines
Fri, Aug 21 - Mon, Aug 31
Air New Zealand Logo
3:40 pm - 4:15 pm
SEA
-
CNS
31h 35m
3 stops
Air New Zealand Logo
6:20 pm - 7:20 pm
CNS
-
SEA
42h 00m
3 stops
$1,887Air New Zealand
Thu, Apr 9 - Thu, Apr 16

Air New Zealand flights from Seattle to Cairns

Our best Air New Zealand deals on Seattle to Cairns flight tickets
Air New Zealand
Aug 21
SEA11:00 amSeattle/Tacoma Intl
36h 55m
3 stops
CNS4:55 pmCairns
Aug 31
CNS5:00 pmCairns
46h 22m
3 stops
SEA10:22 pmSeattle/Tacoma Intl
$1,658
Air New Zealand
Apr 7
SEA8:45 amSeattle/Tacoma Intl
41h 45m
3 stops
CNS7:30 pmCairns
Apr 14
CNS6:20 pmCairns
38h 44m
2 stops
SEA4:04 pmSeattle/Tacoma Intl
$1,674
Air New Zealand
Apr 9
SEA3:40 pmSeattle/Tacoma Intl
26h 05m
2 stops
CNS10:45 amCairns
Apr 16
CNS6:00 amCairns
33h 50m
3 stops
SEA10:50 pmSeattle/Tacoma Intl
$1,723

Singapore Airlines flights from Seattle to Cairns

Our best Singapore Airlines deals on Seattle to Cairns flight tickets
Singapore Airlines
Aug 21
SEA10:15 amSeattle/Tacoma Intl
61h 45m
1 stop
CNS5:00 pmCairns
Aug 31
CNS6:15 pmCairns
31h 30m
1 stop
SEA8:45 amSeattle/Tacoma Intl
$2,069
Singapore Airlines
Jun 11
SEA10:15 amSeattle/Tacoma Intl
61h 45m
1 stop
CNS5:00 pmCairns
Jun 26
CNS6:15 pmCairns
31h 30m
1 stop
SEA8:45 amSeattle/Tacoma Intl
$7,277

momondo 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, momondo users made 832,500 searches. Data last updated February 24, 2026.
Use the filters below to find and compare flights from Seattle to Cairns that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Fri 8/21

9:07 pm-11:40 am

2 stops45h 33m

Cairns

Mon 8/31

12:40 pm-5:57 pm

2 stops22h 17m

$1,088

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Tue 4/7

11:45 am-7:30 pm

2 stops38h 45m

Cairns

Tue 4/14

9:25 am-10:05 am

2 stops41h 40m

$1,405

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Fri 8/21

5:59 pm-4:55 pm

3 stops29h 56m

Cairns

Mon 8/31

11:55 am-8:05 pm

2 stops25h 10m

$1,528

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Thu 4/9

8:00 pm-1:40 pm

2 stops24h 40m

Cairns

Thu 4/16

6:00 am-7:20 pm

2 stops30h 20m

$1,554

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Fri 8/21

11:00 am-4:55 pm

3 stops36h 55m

Cairns

Mon 8/31

5:00 pm-10:22 pm

3 stops46h 22m

$1,658

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Tue 4/7

8:45 am-7:30 pm

3 stops41h 45m

Cairns

Tue 4/14

6:20 pm-4:04 pm

2 stops38h 44m

$1,674

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Thu 4/9

3:40 pm-10:45 am

2 stops26h 05m

Cairns

Thu 4/16

6:00 am-10:50 pm

3 stops33h 50m

$1,723

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Thu 4/9

5:59 pm-11:40 am

2 stops24h 41m

Cairns

Thu 4/16

11:40 am-11:05 am

1 stop40h 25m

$1,754

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Fri 8/21

1:25 pm-4:30 am

1 stop22h 05m

Cairns

Mon 8/31

5:40 pm-10:20 am

2 stops33h 40m

$1,853

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Thu 4/9

3:40 pm-4:15 pm

3 stops31h 35m

Cairns

Thu 4/16

6:20 pm-7:20 pm

3 stops42h 00m

$1,887

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from Seattle to Cairns

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

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

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

Fastest flight time

24h 40m

Direct flights

None
The fastest flight from Seattle to Cairns takes 24h 40m
There are no direct flights from Seattle to Cairns. There are no popular flight routes from Seattle to Cairns.
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  • How far is Seattle/Tacoma Intl to Cairns by plane?

    The distance between Seattle/Tacoma Intl and Cairns is about 7157.5 mi. Typically, this will take 24h 40m by plane in normal conditions.

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

    Prices for flights from Seattle/Tacoma Intl Airport to Cairns Airport refresh daily.

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Cairns Airport.

  • What documentation or ID do you need to fly to Cairns Airport?

    The necessary travel and health documents for your Cairns Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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

    Confirm your travel details to search for the latest offers for flights from Seattle to Cairns. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

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

    With “Price Forecast”, learn how soon you should book your flight in advance. Down to the day of week and time of day, our information can inform you on the ideal time to book to save on your travel. Our “Price Calendar” shows you at a quick glance when to book your travel for lower rates. By setting “Price Alerts” you can monitor changes in price and target the ideal time to book. Search for your trip destination by budget amount via our “Explore” feature. Whether you’re looking for ideas for your next travel adventure or cost-cutting tips, our “Discover” content is a great place to start.

  • How does momondo find its flight prices?

    We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

Traveling to a place near Cairns?

Book flights to Cairns if you plan to visit one of these locations
Port Douglas
Mission Beach
Palm Cove
Trinity Beach

Why use momondo?

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

Finding the right flight to Cairns from Seattle is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Cairns quick and easy, saving you time and money.

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

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

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

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

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

If you are simply researching potential flights to Cairns, momondo offers a useful price alert feature which will track prices for flights to Cairns from Seattle and alert you when they change.

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