Cheap flights from Seattle to Cairns from $1,337

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 2/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
8:00 pm - 5:15 pm
SEA
-
CNS
27h 15m2 stops
Multiple Airlines Logo
6:00 am - 2:31 pm
CNS
-
SEA
26h 31m2 stops
$1,337Multiple Airlines
Thu, Feb 12 - Fri, Feb 20
Air Canada Logo
5:50 am - 2:00 pm
SEA
-
CNS
38h 10m2 stops
Air Canada Logo
6:00 am - 3:01 pm
CNS
-
SEA
27h 01m2 stops
$1,430Air Canada
Sat, Feb 28 - Wed, Mar 4
Qantas Airways Logo
3:50 pm - 11:00 am
SEA
-
CNS
25h 10m2 stops
Qantas Airways Logo
3:35 pm - 6:57 pm
CNS
-
SEA
45h 22m3 stops
$1,591Qantas Airways
Thu, Feb 12 - Fri, Feb 20
Multiple Airlines Logo
9:28 am - 11:20 am
SEA
-
CNS
31h 52m2 stops
Multiple Airlines Logo
11:55 am - 10:35 am
CNS
-
SEA
40h 40m1 stop
$1,660Multiple Airlines
Thu, Feb 12 - Fri, Feb 20
Singapore Airlines Logo
8:45 am - 5:20 pm
SEA
-
CNS
38h 35m1 stop
Singapore Airlines Logo
6:35 pm - 7:10 am
CNS
-
SEA
30h 35m1 stop
$1,818Singapore Airlines
Sat, Feb 28 - Wed, Mar 4
Singapore Airlines Logo
8:45 am - 5:20 pm
SEA
-
CNS
38h 35m1 stop
Singapore Airlines Logo
6:00 am - 7:10 am
CNS
-
SEA
43h 10m2 stops
$1,947Singapore Airlines
Sat, Feb 28 - Wed, Mar 4
Multiple Airlines Logo
12:50 pm - 4:35 am
SEA
-
CNS
21h 45m1 stop
Multiple Airlines Logo
11:55 am - 10:35 am
CNS
-
SEA
40h 40m1 stop
$2,208Multiple Airlines
Thu, Feb 12 - Fri, Feb 20
Multiple Airlines Logo
6:10 am - 4:15 pm
SEA
-
CNS
40h 05m3 stops
Multiple Airlines Logo
2:50 pm - 6:58 pm
CNS
-
SEA
46h 08m3 stops
$2,752Multiple Airlines
Thu, Feb 12 - Fri, Feb 20
Multiple Airlines Logo
8:00 pm - 5:15 pm
SEA
-
CNS
27h 15m2 stops
Multiple Airlines Logo
6:00 am - 9:31 am
CNS
-
SEA
20h 31m2 stops
$5,849Multiple Airlines
Sat, Feb 28 - Wed, Mar 11
Multiple Airlines Logo
8:00 pm - 2:05 pm
SEA
-
CNS
24h 05m2 stops
Multiple Airlines Logo
11:45 am - 3:01 pm
CNS
-
SEA
44h 16m2 stops
$6,358Multiple Airlines
Sat, Feb 28 - Wed, Mar 11

Singapore Airlines flights from Seattle to Cairns

Our best Singapore Airlines deals on Seattle to Cairns flight tickets
Singapore Airlines
Feb 28
SEA8:45 amSeattle/Tacoma Intl
38h 35m
1 stop
CNS5:20 pmCairns
Mar 4
CNS6:35 pmCairns
30h 35m
1 stop
SEA7:10 amSeattle/Tacoma Intl
Singapore Airlines
Feb 28
SEA8:45 amSeattle/Tacoma Intl
38h 35m
1 stop
CNS5:20 pmCairns
Mar 4
CNS6:00 amCairns
43h 10m
2 stops
SEA7:10 amSeattle/Tacoma Intl

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 January 6, 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

Thu 2/12

8:00 pm-5:15 pm

2 stops27h 15m

Cairns

Fri 2/20

6:00 am-2:31 pm

2 stops26h 31m

$1,337

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Sat 2/28

5:50 am-2:00 pm

2 stops38h 10m

Cairns

Wed 3/4

6:00 am-3:01 pm

2 stops27h 01m

$1,430

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Thu 2/12

3:50 pm-11:00 am

2 stops25h 10m

Cairns

Fri 2/20

3:35 pm-6:57 pm

3 stops45h 22m

$1,591

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Thu 2/12

9:28 am-11:20 am

2 stops31h 52m

Cairns

Fri 2/20

11:55 am-10:35 am

1 stop40h 40m

$1,660

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Sat 2/28

8:45 am-5:20 pm

1 stop38h 35m

Cairns

Wed 3/4

6:35 pm-7:10 am

1 stop30h 35m

$1,818

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Sat 2/28

8:45 am-5:20 pm

1 stop38h 35m

Cairns

Wed 3/4

6:00 am-7:10 am

2 stops43h 10m

$1,947

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Thu 2/12

12:50 pm-4:35 am

1 stop21h 45m

Cairns

Fri 2/20

11:55 am-10:35 am

1 stop40h 40m

$2,208

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Thu 2/12

6:10 am-4:15 pm

3 stops40h 05m

Cairns

Fri 2/20

2:50 pm-6:58 pm

3 stops46h 08m

$2,752

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Sat 2/28

8:00 pm-5:15 pm

2 stops27h 15m

Cairns

Wed 3/11

6:00 am-9:31 am

2 stops20h 31m

$5,849

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Sat 2/28

8:00 pm-2:05 pm

2 stops24h 05m

Cairns

Wed 3/11

11:45 am-3:01 pm

2 stops44h 16m

$6,358

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

27h 15m

Direct flights

None
The fastest flight from Seattle to Cairns takes 27h 15m
There are no direct flights from Seattle to Cairns. There are no popular flight routes from Seattle to Cairns.
  • 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 27h 15m 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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1 adult
Thu 2/5
Thu 2/12

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