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Cheap flights from Seattle to Cairns from $500

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Cairns departing on 9/26. 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
1 adult, Economy, 0 bags

Find the cheapest flights from Seattle to Cairns

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
12:57 pm - 11:05 am
SEA
-
CNS
28h 08m
2 stops
American Airlines Logo
6:00 am - 1:09 pm
CNS
-
SEA
25h 09m
2 stops
$1,183American Airlines
Tue, Nov 10 - Tue, Nov 17
Multiple Airlines Logo
7:20 pm - 11:10 am
SEA
-
CNS
22h 50m
2 stops
Multiple Airlines Logo
6:00 am - 2:22 pm
CNS
-
SEA
25h 22m
2 stops
$1,290Multiple Airlines
Sun, Sep 20 - Mon, Sep 28
Multiple Airlines Logo
5:10 pm - 10:35 am
SEA
-
CNS
24h 25m
2 stops
Multiple Airlines Logo
3:45 pm - 10:59 pm
CNS
-
SEA
24h 14m
2 stops
$1,319Multiple Airlines
Fri, Aug 14 - Fri, Aug 21
Multiple Airlines Logo
3:59 pm - 10:35 am
SEA
-
CNS
25h 36m
2 stops
Multiple Airlines Logo
3:45 pm - 11:29 pm
CNS
-
SEA
24h 44m
2 stops
$1,321Multiple Airlines
Sat, Aug 15 - Sat, Aug 22
Multiple Airlines Logo
5:10 pm - 10:35 am
SEA
-
CNS
24h 25m
2 stops
Multiple Airlines Logo
5:40 pm - 7:39 pm
CNS
-
SEA
42h 59m
3 stops
$1,549Multiple Airlines
Fri, Aug 14 - Fri, Aug 21
Multiple Airlines Logo
12:00 pm - 11:05 am
SEA
-
CNS
29h 05m
2 stops
Multiple Airlines Logo
2:55 pm - 2:42 pm
CNS
-
SEA
41h 47m
3 stops
$1,564Multiple Airlines
Tue, Nov 10 - Tue, Nov 17
Multiple Airlines Logo
12:38 pm - 10:35 am
SEA
-
CNS
28h 57m
2 stops
Multiple Airlines Logo
3:45 pm - 7:39 pm
CNS
-
SEA
44h 54m
3 stops
$1,576Multiple Airlines
Sat, Aug 15 - Sat, Aug 22
Singapore Airlines Logo
10:15 am - 5:00 pm
SEA
-
CNS
37h 45m
1 stop
Singapore Airlines Logo
6:15 pm - 8:45 am
CNS
-
SEA
31h 30m
1 stop
$1,686Singapore Airlines
Sun, Sep 20 - Mon, Sep 28
Multiple Airlines Logo
10:15 am - 5:00 pm
SEA
-
CNS
37h 45m
1 stop
Multiple Airlines Logo
12:40 pm - 1:00 pm
CNS
-
SEA
41h 20m
2 stops
$1,706Multiple Airlines
Sun, Sep 20 - Mon, Sep 28
Qantas Airways Logo
7:10 pm - 1:40 pm
SEA
-
CNS
25h 30m
2 stops
Qantas Airways Logo
1:55 pm - 1:39 pm
CNS
-
SEA
40h 44m
3 stops
$1,725Qantas Airways
Sun, Sep 20 - Mon, Sep 28

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Singapore Airlines flights from Seattle to Cairns

Our best Singapore Airlines deals on Seattle to Cairns flight tickets
Singapore Airlines
Sep 20
SEA10:15 amSeattle/Tacoma Intl
37h 45m
1 stop
CNS5:00 pmCairns
Sep 28
CNS6:15 pmCairns
31h 30m
1 stop
SEA8:45 amSeattle/Tacoma Intl
$1,686
Singapore Airlines
Aug 14
SEA10:15 amSeattle/Tacoma Intl
37h 45m
1 stop
CNS5:00 pmCairns
Aug 21
CNS6:15 pmCairns
31h 30m
1 stop
SEA8:45 amSeattle/Tacoma Intl
$2,417

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 July 3, 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

Cheapest round-trip

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Tue 11/10

12:57 pm-11:05 am

2 stops28h 08m

Cairns

Tue 11/17

6:00 am-1:09 pm

2 stops25h 09m

$1,183
Quickest round-trip

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Sun 9/20

7:20 pm-11:10 am

2 stops22h 50m

Cairns

Mon 9/28

6:00 am-2:22 pm

2 stops25h 22m

$1,290

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Fri 8/14

5:10 pm-10:35 am

2 stops24h 25m

Cairns

Fri 8/21

3:45 pm-10:59 pm

2 stops24h 14m

$1,319

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Sat 8/15

3:59 pm-10:35 am

2 stops25h 36m

Cairns

Sat 8/22

3:45 pm-11:29 pm

2 stops24h 44m

$1,321

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Fri 8/14

5:10 pm-10:35 am

2 stops24h 25m

Cairns

Fri 8/21

5:40 pm-7:39 pm

3 stops42h 59m

$1,549

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Tue 11/10

12:00 pm-11:05 am

2 stops29h 05m

Cairns

Tue 11/17

2:55 pm-2:42 pm

3 stops41h 47m

$1,564

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Sat 8/15

12:38 pm-10:35 am

2 stops28h 57m

Cairns

Sat 8/22

3:45 pm-7:39 pm

3 stops44h 54m

$1,576

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Sun 9/20

10:15 am-5:00 pm

1 stop37h 45m

Cairns

Mon 9/28

6:15 pm-8:45 am

1 stop31h 30m

$1,686

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Sun 9/20

10:15 am-5:00 pm

1 stop37h 45m

Cairns

Mon 9/28

12:40 pm-1:00 pm

2 stops41h 20m

$1,706

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Sun 9/20

7:10 pm-1:40 pm

2 stops25h 30m

Cairns

Mon 9/28

1:55 pm-1:39 pm

3 stops40h 44m

$1,725

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Cairns from

How to get the cheapest flight ticket from Seattle to Cairns

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Seattle/Tacoma Intl to Cairns?

American Airlines is the most popular carrier operating from Seattle/Tacoma Intl to Cairns

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

22h 50m

Direct flights

None
The fastest flight from Seattle to Cairns takes 22h 50m
There are no direct flights from Seattle to Cairns. There are no popular flight routes from Seattle to Cairns.
Search flight deals

Frequently asked questions about flying 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 22h 50m 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.

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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