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Cheap flights from Seattle to Cairns from $561

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
11:40 am - 10:35 am
SEA
-
CNS
29h 55m
2 stops
American Airlines Logo
3:45 pm - 11:29 pm
CNS
-
SEA
24h 44m
2 stops
$1,230American Airlines
Sat, Aug 29 - Sat, Sep 5
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
$1,291Multiple Airlines
Wed, Oct 14 - Tue, Oct 20
Multiple Airlines Logo
7:20 pm - 3:00 pm
SEA
-
CNS
26h 40m
2 stops
Multiple Airlines Logo
6:00 am - 6:32 pm
CNS
-
SEA
29h 32m
2 stops
$1,304Multiple Airlines
Wed, Oct 14 - Tue, Oct 20
Multiple Airlines Logo
7:26 am - 10:25 pm
SEA
-
CNS
45h 59m
2 stops
Multiple Airlines Logo
5:00 pm - 3:33 pm
CNS
-
SEA
39h 33m
2 stops
$1,364Multiple Airlines
Sat, Aug 8 - Sat, Aug 15
Multiple Airlines Logo
7:00 am - 5:25 pm
SEA
-
CNS
41h 25m
2 stops
Multiple Airlines Logo
9:20 am - 9:34 pm
CNS
-
SEA
29h 14m
3 stops
$1,394Multiple Airlines
Wed, Oct 14 - Tue, Oct 20
Qantas Airways Logo
4:37 pm - 4:55 pm
SEA
-
CNS
31h 18m
2 stops
Qantas Airways Logo
1:55 pm - 10:37 pm
CNS
-
SEA
25h 42m
2 stops
$1,449Qantas Airways
Sat, Oct 17 - Wed, Oct 21
Qantas Airways Logo
4:37 pm - 4:55 pm
SEA
-
CNS
31h 18m
2 stops
Qantas Airways Logo
1:55 pm - 10:37 pm
CNS
-
SEA
25h 42m
2 stops
$1,450Qantas Airways
Sat, Oct 17 - Wed, Oct 21
Multiple Airlines Logo
7:00 am - 4:45 pm
SEA
-
CNS
40h 45m
3 stops
Multiple Airlines Logo
6:00 am - 9:34 pm
CNS
-
SEA
32h 34m
3 stops
$1,454Multiple Airlines
Wed, Oct 14 - Tue, Oct 20
Multiple Airlines Logo
3:58 pm - 11:50 am
SEA
-
CNS
26h 52m
2 stops
Multiple Airlines Logo
3:45 pm - 7:39 pm
CNS
-
SEA
44h 54m
3 stops
$1,626Multiple Airlines
Sat, Aug 29 - Sat, Sep 5
Qantas Airways Logo
4:37 pm - 1:40 pm
SEA
-
CNS
28h 03m
2 stops
Qantas Airways Logo
1:55 pm - 12:16 pm
CNS
-
SEA
39h 21m
3 stops
$1,794Qantas Airways
Wed, Oct 14 - Tue, Oct 20

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Qantas Airways flights from Seattle to Cairns

Our best Qantas Airways deals on Seattle to Cairns flight tickets
Qantas Airways
Oct 17
SEA4:37 pmSeattle/Tacoma Intl
31h 18m
2 stops
CNS4:55 pmCairns
Oct 21
CNS1:55 pmCairns
25h 42m
2 stops
SEA10:37 pmSeattle/Tacoma Intl
$1,449
Qantas Airways
Oct 17
SEA4:37 pmSeattle/Tacoma Intl
31h 18m
2 stops
CNS4:55 pmCairns
Oct 21
CNS1:55 pmCairns
25h 42m
2 stops
SEA10:37 pmSeattle/Tacoma Intl
$1,450
Qantas Airways
Oct 14
SEA4:37 pmSeattle/Tacoma Intl
28h 03m
2 stops
CNS1:40 pmCairns
Oct 20
CNS1:55 pmCairns
39h 21m
3 stops
SEA12:16 pmSeattle/Tacoma Intl
$1,794

Air New Zealand flights from Seattle to Cairns

Our best Air New Zealand deals on Seattle to Cairns flight tickets
Air New Zealand
Aug 29
SEA4:35 pmSeattle/Tacoma Intl
33h 55m
3 stops
CNS7:30 pmCairns
Sep 5
CNS6:50 amCairns
28h 42m
3 stops
SEA6:32 pmSeattle/Tacoma Intl
$2,222
Air New Zealand
Aug 8
SEA5:50 amSeattle/Tacoma Intl
35h 55m
2 stops
CNS10:45 amCairns
Aug 15
CNS6:00 amCairns
30h 14m
3 stops
SEA7:14 pmSeattle/Tacoma Intl
$2,617
Air New Zealand
Oct 14
SEA3:18 pmSeattle/Tacoma Intl
30h 42m
3 stops
CNS3:00 pmCairns
Oct 20
CNS6:00 amCairns
29h 44m
3 stops
SEA6:44 pmSeattle/Tacoma Intl
$2,647

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 16, 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

Sat 8/29

11:40 am-10:35 am

2 stops29h 55m

Cairns

Sat 9/5

3:45 pm-11:29 pm

2 stops24h 44m

$1,230
Quickest round-trip

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Wed 10/14

7:20 pm-11:10 am

2 stops22h 50m

Cairns

Tue 10/20

6:00 am-2:22 pm

2 stops25h 22m

$1,291

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Wed 10/14

7:20 pm-3:00 pm

2 stops26h 40m

Cairns

Tue 10/20

6:00 am-6:32 pm

2 stops29h 32m

$1,304

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Sat 8/8

7:26 am-10:25 pm

2 stops45h 59m

Cairns

Sat 8/15

5:00 pm-3:33 pm

2 stops39h 33m

$1,364

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Wed 10/14

7:00 am-5:25 pm

2 stops41h 25m

Cairns

Tue 10/20

9:20 am-9:34 pm

3 stops29h 14m

$1,394

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Sat 10/17

4:37 pm-4:55 pm

2 stops31h 18m

Cairns

Wed 10/21

1:55 pm-10:37 pm

2 stops25h 42m

$1,449

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Sat 10/17

4:37 pm-4:55 pm

2 stops31h 18m

Cairns

Wed 10/21

1:55 pm-10:37 pm

2 stops25h 42m

$1,450

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Wed 10/14

7:00 am-4:45 pm

3 stops40h 45m

Cairns

Tue 10/20

6:00 am-9:34 pm

3 stops32h 34m

$1,454

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Sat 8/29

3:58 pm-11:50 am

2 stops26h 52m

Cairns

Sat 9/5

3:45 pm-7:39 pm

3 stops44h 54m

$1,626

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Wed 10/14

4:37 pm-1:40 pm

2 stops28h 03m

Cairns

Tue 10/20

1:55 pm-12:16 pm

3 stops39h 21m

$1,794

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 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, Air New Zealand, and Japan 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

26h 52m

Direct flights

None
The fastest flight from Seattle to Cairns takes 26h 52m
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 26h 52m 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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