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Cheap flights from Seattle to Cairns from $1,078

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 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.
1 adult
0 bags

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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
5:59 pm - 11:35 am
SEA
-
CNS
24h 36m
2 stops
Multiple Airlines Logo
12:35 pm - 6:51 pm
CNS
-
SEA
23h 16m
2 stops
$1,078Multiple Airlines
Thu, Mar 19 - Thu, Mar 26
Multiple Airlines Logo
6:00 am - 11:05 pm
SEA
-
CNS
48h 05m
2 stops
Multiple Airlines Logo
12:05 pm - 8:42 pm
CNS
-
SEA
25h 37m
2 stops
$1,400Multiple Airlines
Fri, Mar 20 - Fri, Mar 27
Qantas Airways Logo
6:09 am - 4:15 pm
SEA
-
CNS
40h 06m
2 stops
Qantas Airways Logo
11:45 am - 1:59 pm
CNS
-
SEA
44h 14m
2 stops
$1,615Qantas Airways
Sat, Feb 28 - Wed, Mar 4
Multiple Airlines Logo
5:05 pm - 8:30 am
SEA
-
CNS
70h 25m
3 stops
Multiple Airlines Logo
12:35 pm - 8:42 pm
CNS
-
SEA
25h 07m
2 stops
$1,743Multiple Airlines
Thu, Mar 19 - Thu, Mar 26
Singapore Airlines Logo
9:45 am - 5:20 pm
SEA
-
CNS
38h 35m
1 stop
Singapore Airlines Logo
6:35 pm - 8:10 am
CNS
-
SEA
30h 35m
1 stop
$1,839Singapore Airlines
Fri, Mar 20 - Fri, Mar 27
Multiple Airlines Logo
2:53 pm - 11:00 am
SEA
-
CNS
27h 07m
2 stops
Multiple Airlines Logo
2:50 pm - 8:42 pm
CNS
-
SEA
46h 52m
3 stops
$1,865Multiple Airlines
Fri, Mar 20 - Fri, Mar 27
Multiple Airlines Logo
6:25 am - 4:50 pm
SEA
-
CNS
41h 25m
3 stops
Multiple Airlines Logo
2:50 pm - 5:01 pm
CNS
-
SEA
43h 11m
3 stops
$2,029Multiple Airlines
Thu, Mar 19 - Thu, Mar 26
Air New Zealand Logo
3:40 pm - 2:05 pm
SEA
-
CNS
29h 25m
3 stops
Air New Zealand Logo
6:00 am - 11:16 pm
CNS
-
SEA
34h 16m
3 stops
$2,181Air New Zealand
Fri, Mar 20 - Fri, Mar 27
Multiple Airlines Logo
9:45 am - 5:20 pm
SEA
-
CNS
38h 35m
1 stop
Multiple Airlines Logo
2:25 pm - 8:42 pm
CNS
-
SEA
23h 17m
2 stops
$2,214Multiple Airlines
Fri, Mar 20 - Fri, Mar 27
Multiple Airlines Logo
1:50 pm - 4:35 am
SEA
-
CNS
21h 45m
1 stop
Multiple Airlines Logo
12:35 pm - 10:42 pm
CNS
-
SEA
27h 07m
2 stops
$2,241Multiple Airlines
Thu, Mar 19 - Thu, Mar 26

Singapore Airlines flights from Seattle to Cairns

Our best Singapore Airlines deals on Seattle to Cairns flight tickets
Singapore Airlines
Mar 20
SEA9:45 amSeattle/Tacoma Intl
38h 35m
1 stop
CNS5:20 pmCairns
Mar 27
CNS6:35 pmCairns
30h 35m
1 stop
SEA8:10 amSeattle/Tacoma Intl
$1,839
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
$2,893

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 4, 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 3/19

5:59 pm-11:35 am

2 stops24h 36m

Cairns

Thu 3/26

12:35 pm-6:51 pm

2 stops23h 16m

$1,078

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Fri 3/20

6:00 am-11:05 pm

2 stops48h 05m

Cairns

Fri 3/27

12:05 pm-8:42 pm

2 stops25h 37m

$1,400

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Sat 2/28

6:09 am-4:15 pm

2 stops40h 06m

Cairns

Wed 3/4

11:45 am-1:59 pm

2 stops44h 14m

$1,615

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Thu 3/19

5:05 pm-8:30 am

3 stops70h 25m

Cairns

Thu 3/26

12:35 pm-8:42 pm

2 stops25h 07m

$1,743

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Fri 3/20

9:45 am-5:20 pm

1 stop38h 35m

Cairns

Fri 3/27

6:35 pm-8:10 am

1 stop30h 35m

$1,839

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Fri 3/20

2:53 pm-11:00 am

2 stops27h 07m

Cairns

Fri 3/27

2:50 pm-8:42 pm

3 stops46h 52m

$1,865

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Thu 3/19

6:25 am-4:50 pm

3 stops41h 25m

Cairns

Thu 3/26

2:50 pm-5:01 pm

3 stops43h 11m

$2,029

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Fri 3/20

3:40 pm-2:05 pm

3 stops29h 25m

Cairns

Fri 3/27

6:00 am-11:16 pm

3 stops34h 16m

$2,181

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Fri 3/20

9:45 am-5:20 pm

1 stop38h 35m

Cairns

Fri 3/27

2:25 pm-8:42 pm

2 stops23h 17m

$2,214

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Thu 3/19

1:50 pm-4:35 am

1 stop21h 45m

Cairns

Thu 3/26

12:35 pm-10:42 pm

2 stops27h 07m

$2,241

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

25h 20m

Direct flights

None
The fastest flight from Seattle to Cairns takes 25h 20m
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 25h 20m 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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