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Cheap flights from Seattle to Cairns from $580

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 8/19. 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
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
1:37 pm - 11:05 am
SEA
-
CNS
28h 28m
2 stops
American Airlines Logo
6:00 am - 4:00 pm
CNS
-
SEA
28h 00m
2 stops
$1,230American Airlines
Mon, Oct 26 - Thu, Nov 12
Multiple Airlines Logo
7:20 pm - 5:25 pm
SEA
-
CNS
29h 05m
2 stops
Multiple Airlines Logo
6:00 am - 6:22 pm
CNS
-
SEA
29h 22m
2 stops
$1,329Multiple Airlines
Sat, Oct 17 - Tue, Oct 27
Multiple Airlines Logo
5:59 pm - 8:15 pm
SEA
-
CNS
33h 16m
2 stops
Multiple Airlines Logo
10:15 am - 7:39 pm
CNS
-
SEA
26h 24m
2 stops
$1,354Multiple Airlines
Wed, Sep 16 - Wed, Sep 23
Multiple Airlines Logo
7:20 pm - 11:10 am
SEA
-
CNS
22h 50m
2 stops
Multiple Airlines Logo
6:00 am - 10:05 am
CNS
-
SEA
21h 05m
2 stops
$1,367Multiple Airlines
Fri, Aug 28 - Fri, Sep 4
Multiple Airlines Logo
2:19 pm - 10:50 am
SEA
-
CNS
27h 31m
2 stops
Multiple Airlines Logo
2:55 pm - 2:25 pm
CNS
-
SEA
40h 30m
3 stops
$1,580Multiple Airlines
Sat, Oct 17 - Tue, Oct 27
Multiple Airlines Logo
5:04 pm - 11:05 am
SEA
-
CNS
25h 01m
2 stops
Multiple Airlines Logo
3:40 pm - 10:52 am
CNS
-
SEA
37h 12m
3 stops
$1,600Multiple Airlines
Mon, Oct 26 - Thu, Nov 12
Multiple Airlines Logo
4:40 pm - 4:35 am
SEA
-
CNS
42h 55m
1 stop
Multiple Airlines Logo
6:00 am - 6:26 pm
CNS
-
SEA
30h 26m
2 stops
$1,662Multiple Airlines
Mon, Oct 26 - Thu, Nov 12
Multiple Airlines Logo
1:20 pm - 4:30 am
SEA
-
CNS
22h 10m
1 stop
Multiple Airlines Logo
9:25 am - 5:51 pm
CNS
-
SEA
49h 26m
2 stops
$1,766Multiple Airlines
Fri, Aug 28 - Fri, Sep 4
Multiple Airlines Logo
4:59 pm - 10:35 am
SEA
-
CNS
24h 36m
2 stops
Multiple Airlines Logo
11:20 am - 7:39 pm
CNS
-
SEA
25h 19m
3 stops
$1,777Multiple Airlines
Wed, Sep 16 - Wed, Sep 23
Qantas Airways Logo
6:00 am - 11:50 am
SEA
-
CNS
35h 50m
2 stops
Qantas Airways Logo
6:00 am - 7:22 pm
CNS
-
SEA
31h 22m
2 stops
$1,996Qantas Airways
Fri, Dec 25 - Sun, Jan 10

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Singapore Airlines flights from Seattle to Cairns

Our best Singapore Airlines deals on Seattle to Cairns flight tickets
Singapore Airlines
Dec 25
SEA8:45 amSeattle/Tacoma Intl
38h 35m
1 stop
CNS5:20 pmCairns
Jan 10
CNS6:20 pmCairns
54h 50m
1 stop
SEA7:10 amSeattle/Tacoma Intl
$2,053
Singapore Airlines
Aug 28
SEA10:15 amSeattle/Tacoma Intl
37h 45m
1 stop
CNS5:00 pmCairns
Sep 4
CNS6:15 pmCairns
31h 30m
1 stop
SEA8:45 amSeattle/Tacoma Intl
$2,090
Singapore Airlines
Dec 25
SEA8:45 amSeattle/Tacoma Intl
38h 35m
1 stop
CNS5:20 pmCairns
Jan 10
CNS11:40 amCairns
61h 30m
2 stops
SEA7:10 amSeattle/Tacoma Intl
$2,137

Air New Zealand flights from Seattle to Cairns

Our best Air New Zealand deals on Seattle to Cairns flight tickets
Air New Zealand
Oct 17
SEA2:55 pmSeattle/Tacoma Intl
38h 50m
3 stops
CNS10:45 pmCairns
Oct 27
CNS5:40 pmCairns
45h 17m
3 stops
SEA9:57 pmSeattle/Tacoma Intl
$2,092
Air New Zealand
Sep 16
SEA3:00 pmSeattle/Tacoma Intl
29h 40m
3 stops
CNS1:40 pmCairns
Sep 23
CNS6:50 amCairns
28h 39m
3 stops
SEA6:29 pmSeattle/Tacoma Intl
$2,287
Air New Zealand
Dec 25
SEA3:15 pmSeattle/Tacoma Intl
37h 25m
3 stops
CNS10:40 pmCairns
Jan 10
CNS6:00 amCairns
30h 22m
3 stops
SEA6:22 pmSeattle/Tacoma Intl
$2,476

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 August 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

Mon 10/26

1:37 pm-11:05 am

2 stops28h 28m

Cairns

Thu 11/12

6:00 am-4:00 pm

2 stops28h 00m

$1,230

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Sat 10/17

7:20 pm-5:25 pm

2 stops29h 05m

Cairns

Tue 10/27

6:00 am-6:22 pm

2 stops29h 22m

$1,329

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Wed 9/16

5:59 pm-8:15 pm

2 stops33h 16m

Cairns

Wed 9/23

10:15 am-7:39 pm

2 stops26h 24m

$1,354
Quickest round-trip

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Fri 8/28

7:20 pm-11:10 am

2 stops22h 50m

Cairns

Fri 9/4

6:00 am-10:05 am

2 stops21h 05m

$1,367

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Sat 10/17

2:19 pm-10:50 am

2 stops27h 31m

Cairns

Tue 10/27

2:55 pm-2:25 pm

3 stops40h 30m

$1,580

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Mon 10/26

5:04 pm-11:05 am

2 stops25h 01m

Cairns

Thu 11/12

3:40 pm-10:52 am

3 stops37h 12m

$1,600

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Mon 10/26

4:40 pm-4:35 am

1 stop42h 55m

Cairns

Thu 11/12

6:00 am-6:26 pm

2 stops30h 26m

$1,662

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Fri 8/28

1:20 pm-4:30 am

1 stop22h 10m

Cairns

Fri 9/4

9:25 am-5:51 pm

2 stops49h 26m

$1,766

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Wed 9/16

4:59 pm-10:35 am

2 stops24h 36m

Cairns

Wed 9/23

11:20 am-7:39 pm

3 stops25h 19m

$1,777

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Fri 12/25

6:00 am-11:50 am

2 stops35h 50m

Cairns

Sun 1/10

6:00 am-7:22 pm

2 stops31h 22m

$1,996

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?

United 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

24h 20m

Direct flights

None
The fastest flight from Seattle to Cairns takes 24h 20m
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 24h 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.

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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