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Cheap flights from Seattle to Cairns from $678

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.
Air Canada Logo
3:15 pm - 2:00 pm
SEA
-
CNS
28h 45m
2 stops
Air Canada Logo
5:35 pm - 9:17 am
CNS
-
SEA
33h 42m
2 stops
$1,493Air Canada
Wed, Nov 4 - Sun, Nov 8
Multiple Airlines Logo
5:36 pm - 6:25 pm
SEA
-
CNS
31h 49m
2 stops
Multiple Airlines Logo
10:15 am - 9:58 pm
CNS
-
SEA
28h 43m
2 stops
$1,578Multiple Airlines
Tue, Jul 21 - Tue, Jul 28
Multiple Airlines Logo
6:36 pm - 12:55 pm
SEA
-
CNS
25h 19m
2 stops
Multiple Airlines Logo
11:20 am - 8:56 pm
CNS
-
SEA
26h 36m
3 stops
$1,630Multiple Airlines
Tue, Jul 21 - Tue, Jul 28
Multiple Airlines Logo
8:25 pm - 6:25 pm
SEA
-
CNS
53h 00m
2 stops
Multiple Airlines Logo
7:10 pm - 12:48 pm
CNS
-
SEA
34h 38m
2 stops
$1,671Multiple Airlines
Sat, Jul 18 - Sat, Jul 25
Multiple Airlines Logo
6:10 pm - 6:25 pm
SEA
-
CNS
31h 15m
2 stops
Multiple Airlines Logo
6:45 am - 9:02 pm
CNS
-
SEA
31h 17m
2 stops
$1,694Multiple Airlines
Wed, Jul 22 - Wed, Jul 29
Multiple Airlines Logo
1:30 pm - 4:30 am
SEA
-
CNS
22h 00m
1 stop
Multiple Airlines Logo
6:45 am - 5:51 pm
CNS
-
SEA
52h 06m
2 stops
$1,856Multiple Airlines
Tue, Jul 21 - Tue, Jul 28
Singapore Airlines Logo
8:45 am - 5:20 pm
SEA
-
CNS
38h 35m
1 stop
Singapore Airlines Logo
5:20 pm - 7:10 am
CNS
-
SEA
55h 50m
2 stops
$2,047Singapore Airlines
Wed, Nov 4 - Sun, Nov 8
Air New Zealand Logo
8:45 am - 1:40 pm
SEA
-
CNS
35h 55m
2 stops
Air New Zealand Logo
6:00 am - 7:38 pm
CNS
-
SEA
30h 38m
3 stops
$2,074Air New Zealand
Sat, Jul 18 - Sat, Jul 25
Air New Zealand Logo
5:04 pm - 9:30 pm
SEA
-
CNS
35h 26m
2 stops
Air New Zealand Logo
6:50 am - 6:32 pm
CNS
-
SEA
28h 42m
3 stops
$2,158Air New Zealand
Wed, Jul 22 - Wed, Jul 29
Multiple Airlines Logo
8:00 am - 1:40 pm
SEA
-
CNS
36h 40m
2 stops
Multiple Airlines Logo
11:40 am - 11:15 am
CNS
-
SEA
40h 35m
1 stop
$2,225Multiple Airlines
Wed, Jul 22 - Wed, Jul 29

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Air New Zealand flights from Seattle to Cairns

Our best Air New Zealand deals on Seattle to Cairns flight tickets
Air New Zealand
Jul 22
SEA5:04 pmSeattle/Tacoma Intl
35h 26m
2 stops
CNS9:30 pmCairns
Jul 29
CNS6:50 amCairns
28h 42m
3 stops
SEA6:32 pmSeattle/Tacoma Intl
$2,158
Air New Zealand
Sep 17
SEA9:00 amSeattle/Tacoma Intl
56h 45m
2 stops
CNS10:45 amCairns
Sep 28
CNS10:55 amCairns
28h 47m
2 stops
SEA10:42 pmSeattle/Tacoma Intl
$8,371
Air New Zealand
Sep 19
SEA5:10 pmSeattle/Tacoma Intl
24h 35m
2 stops
CNS10:45 amCairns
Oct 1
CNS10:55 amCairns
28h 47m
2 stops
SEA10:42 pmSeattle/Tacoma Intl
$8,533

Singapore Airlines flights from Seattle to Cairns

Our best Singapore Airlines deals on Seattle to Cairns flight tickets
Singapore Airlines
Nov 4
SEA8:45 amSeattle/Tacoma Intl
38h 35m
1 stop
CNS5:20 pmCairns
Nov 8
CNS5:20 pmCairns
55h 50m
2 stops
SEA7:10 amSeattle/Tacoma Intl
$2,047
Singapore Airlines
Sep 13
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
$8,522
Singapore Airlines
Sep 19
SEA10:15 amSeattle/Tacoma Intl
37h 45m
1 stop
CNS5:00 pmCairns
Sep 27
CNS4:55 pmCairns
56h 50m
2 stops
SEA8:45 amSeattle/Tacoma Intl
$8,653

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 June 8, 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

Wed 11/4

3:15 pm-2:00 pm

2 stops28h 45m

Cairns

Sun 11/8

5:35 pm-9:17 am

2 stops33h 42m

$1,493

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Tue 7/21

5:36 pm-6:25 pm

2 stops31h 49m

Cairns

Tue 7/28

10:15 am-9:58 pm

2 stops28h 43m

$1,578
Quickest round-trip

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Tue 7/21

6:36 pm-12:55 pm

2 stops25h 19m

Cairns

Tue 7/28

11:20 am-8:56 pm

3 stops26h 36m

$1,630

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Sat 7/18

8:25 pm-6:25 pm

2 stops53h 00m

Cairns

Sat 7/25

7:10 pm-12:48 pm

2 stops34h 38m

$1,671

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Wed 7/22

6:10 pm-6:25 pm

2 stops31h 15m

Cairns

Wed 7/29

6:45 am-9:02 pm

2 stops31h 17m

$1,694

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Tue 7/21

1:30 pm-4:30 am

1 stop22h 00m

Cairns

Tue 7/28

6:45 am-5:51 pm

2 stops52h 06m

$1,856

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Wed 11/4

8:45 am-5:20 pm

1 stop38h 35m

Cairns

Sun 11/8

5:20 pm-7:10 am

2 stops55h 50m

$2,047

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Sat 7/18

8:45 am-1:40 pm

2 stops35h 55m

Cairns

Sat 7/25

6:00 am-7:38 pm

3 stops30h 38m

$2,074

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Wed 7/22

5:04 pm-9:30 pm

2 stops35h 26m

Cairns

Wed 7/29

6:50 am-6:32 pm

3 stops28h 42m

$2,158

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Wed 7/22

8:00 am-1:40 pm

2 stops36h 40m

Cairns

Wed 7/29

11:40 am-11:15 am

1 stop40h 35m

$2,225

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, Qantas Airways, and Singapore Airlines are the most popular carriers 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

32h 05m

Direct flights

None
The fastest flight from Seattle to Cairns takes 32h 05m
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 32h 05m 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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