Cheap flights from Seattle to Cairns from $568

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 1/26. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Cheap round-trip flights

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Qantas Airways Logo
3:57 pm - 11:50 am
SEA
-
CNS
25h 53m2 stops
Qantas Airways Logo
3:35 pm - 8:52 pm
CNS
-
SEA
23h 17m2 stops
$1,223Qantas Airways
Wed, Feb 4 - Wed, Feb 11
ANA Logo
4:30 pm - 3:55 pm
SEA
-
CNS
54h 25m2 stops
ANA Logo
12:10 pm - 2:25 pm
CNS
-
SEA
43h 15m2 stops
$1,421ANA
Wed, Jun 3 - Mon, Jun 15
Qantas Airways Logo
6:00 am - 4:50 pm
SEA
-
CNS
40h 50m2 stops
Qantas Airways Logo
5:35 pm - 12:29 pm
CNS
-
SEA
60h 54m2 stops
$1,497Qantas Airways
Thu, Jan 8 - Thu, Jan 15
Multiple Airlines Logo
3:57 pm - 11:50 am
SEA
-
CNS
25h 53m2 stops
Multiple Airlines Logo
2:50 pm - 1:59 pm
CNS
-
SEA
41h 09m3 stops
$1,578Multiple Airlines
Wed, Feb 4 - Wed, Feb 11
Air New Zealand Logo
9:00 am - 2:05 pm
SEA
-
CNS
35h 05m3 stops
Air New Zealand Logo
6:00 am - 10:51 pm
CNS
-
SEA
34h 51m3 stops
$1,637Air New Zealand
Wed, Feb 4 - Wed, Feb 11
Air New Zealand Logo
6:30 am - 11:10 pm
SEA
-
CNS
47h 40m3 stops
Air New Zealand Logo
11:55 am - 11:21 pm
CNS
-
SEA
28h 26m2 stops
$1,733Air New Zealand
Wed, Jun 3 - Mon, Jun 15
Multiple Airlines Logo
2:02 pm - 5:20 pm
SEA
-
CNS
33h 18m2 stops
Multiple Airlines Logo
6:35 pm - 7:10 am
CNS
-
SEA
30h 35m1 stop
$1,740Multiple Airlines
Wed, Feb 4 - Wed, Feb 11
United Airlines Logo
12:32 pm - 2:00 pm
SEA
-
CNS
31h 28m2 stops
United Airlines Logo
6:00 am - 11:18 am
CNS
-
SEA
23h 18m2 stops
$1,879United Airlines
Sat, Feb 21 - Tue, Feb 24
United Airlines Logo
5:20 pm - 2:55 pm
SEA
-
CNS
27h 35m2 stops
United Airlines Logo
6:00 am - 3:41 pm
CNS
-
SEA
27h 41m2 stops
$1,882United Airlines
Sat, Feb 21 - Tue, Feb 24
Multiple Airlines Logo
12:15 pm - 11:50 am
SEA
-
CNS
30h 35m2 stops
Multiple Airlines Logo
6:15 pm - 8:45 am
CNS
-
SEA
31h 30m1 stop
$1,891Multiple Airlines
Wed, Jun 3 - Mon, Jun 15

Qantas Airways flights from Seattle to Cairns

Our best Qantas Airways deals on Seattle to Cairns flight tickets
Qantas Airways
Feb 4
SEA3:57 pmSeattle/Tacoma Intl
25h 53m
2 stops
CNS11:50 amCairns
Feb 11
CNS3:35 pmCairns
23h 17m
2 stops
SEA8:52 pmSeattle/Tacoma Intl
Qantas Airways
Jan 8
SEA6:00 amSeattle/Tacoma Intl
40h 50m
2 stops
CNS4:50 pmCairns
Jan 15
CNS5:35 pmCairns
60h 54m
2 stops
SEA12:29 pmSeattle/Tacoma Intl

Air New Zealand flights from Seattle to Cairns

Our best Air New Zealand deals on Seattle to Cairns flight tickets
Air New Zealand
Feb 4
SEA9:00 amSeattle/Tacoma Intl
35h 05m
3 stops
CNS2:05 pmCairns
Feb 11
CNS6:00 amCairns
34h 51m
3 stops
SEA10:51 pmSeattle/Tacoma Intl
Air New Zealand
Jun 3
SEA6:30 amSeattle/Tacoma Intl
47h 40m
3 stops
CNS11:10 pmCairns
Jun 15
CNS11:55 amCairns
28h 26m
2 stops
SEA11:21 pmSeattle/Tacoma Intl
Air New Zealand
Jan 8
SEA12:35 pmSeattle/Tacoma Intl
31h 30m
3 stops
CNS2:05 pmCairns
Jan 15
CNS6:00 amCairns
27h 44m
3 stops
SEA3:44 pmSeattle/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 December 23, 2025.
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

Wed 2/4

3:57 pm-11:50 am

2 stops25h 53m

Cairns

Wed 2/11

3:35 pm-8:52 pm

2 stops23h 17m

$1,223

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Wed 6/3

4:30 pm-3:55 pm

2 stops54h 25m

Cairns

Mon 6/15

12:10 pm-2:25 pm

2 stops43h 15m

$1,421

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Thu 1/8

6:00 am-4:50 pm

2 stops40h 50m

Cairns

Thu 1/15

5:35 pm-12:29 pm

2 stops60h 54m

$1,497

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Wed 2/4

3:57 pm-11:50 am

2 stops25h 53m

Cairns

Wed 2/11

2:50 pm-1:59 pm

3 stops41h 09m

$1,578

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Wed 2/4

9:00 am-2:05 pm

3 stops35h 05m

Cairns

Wed 2/11

6:00 am-10:51 pm

3 stops34h 51m

$1,637

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Wed 6/3

6:30 am-11:10 pm

3 stops47h 40m

Cairns

Mon 6/15

11:55 am-11:21 pm

2 stops28h 26m

$1,733

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Wed 2/4

2:02 pm-5:20 pm

2 stops33h 18m

Cairns

Wed 2/11

6:35 pm-7:10 am

1 stop30h 35m

$1,740

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Sat 2/21

12:32 pm-2:00 pm

2 stops31h 28m

Cairns

Tue 2/24

6:00 am-11:18 am

2 stops23h 18m

$1,879

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Sat 2/21

5:20 pm-2:55 pm

2 stops27h 35m

Cairns

Tue 2/24

6:00 am-3:41 pm

2 stops27h 41m

$1,882

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Wed 6/3

12:15 pm-11:50 am

2 stops30h 35m

Cairns

Mon 6/15

6:15 pm-8:45 am

1 stop31h 30m

$1,891

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 time of day to depart on your flight to Cairns?

Our data shows that the cheapest Seattle to Cairns flights are usually those with departure times in the evening. Our users have found flights to Cairns in the evening for as low as $1,529. In the afternoon is when there is more demand to fly to Cairns, so prices are often more expensive at around $1,683 per ticket.

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 53m

Direct flights

None
The fastest flight from Seattle to Cairns takes 25h 53m
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 25h 53m 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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1 adult
Thu 1/22
Thu 1/29

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