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Cheap flights from Seattle to Cairns from $581

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.
Multiple Airlines Logo
9:14 pm - 11:35 amSEA  Seattle/Tacoma Intl-CNS Cairns
44h 21m2 stops Los Angeles Nadi
Multiple Airlines Logo
12:35 pm - 4:47 pmCNS  Cairns-SEA Seattle/Tacoma Intl
22h 12m2 stops Nadi Los Angeles
$1,279Multiple Airlines
Mon, Jan 4 - Mon, Jan 18
Multiple Airlines Logo
3:58 pm - 7:30 pmSEA  Seattle/Tacoma Intl-CNS Cairns
34h 32m2 stops Los Angeles Brisbane
Multiple Airlines Logo
7:10 pm - 1:39 pmCNS  Cairns-SEA Seattle/Tacoma Intl
35h 29m2 stops Sydney Kingsford Smith Los Angeles
$1,354Multiple Airlines
Thu, Sep 3 - Wed, Sep 9
Multiple Airlines Logo
1:41 pm - 4:50 pmSEA  Seattle/Tacoma Intl-CNS Cairns
33h 09m3 stops Los Angeles Auckland Intl Brisbane
Multiple Airlines Logo
6:00 am - 11:21 pmCNS  Cairns-SEA Seattle/Tacoma Intl
35h 21m3 stops Brisbane Auckland Intl San Francisco
$1,466Multiple Airlines
Mon, Jan 4 - Mon, Jan 18
Air Canada Logo
3:15 pm - 2:00 pmSEA  Seattle/Tacoma Intl-CNS Cairns
28h 45m2 stops Vancouver Intl Brisbane
Air Canada Logo
6:00 am - 9:27 amCNS  Cairns-SEA Seattle/Tacoma Intl
21h 27m2 stops Brisbane Vancouver Intl
$1,484Air Canada
Thu, Feb 4 - Mon, Feb 8
Air Canada Logo
7:05 pm - 2:55 pmSEA  Seattle/Tacoma Intl-CNS Cairns
25h 50m2 stops Vancouver Intl Sydney Kingsford Smith
Air Canada Logo
6:00 am - 6:22 pmCNS  Cairns-SEA Seattle/Tacoma Intl
30h 22m2 stops Brisbane Vancouver Intl
$1,484Air Canada
Thu, Feb 4 - Mon, Feb 8
Air Canada Logo
3:15 pm - 2:00 pmSEA  Seattle/Tacoma Intl-CNS Cairns
28h 45m2 stops Vancouver Intl Brisbane
Air Canada Logo
6:00 am - 9:27 amCNS  Cairns-SEA Seattle/Tacoma Intl
21h 27m2 stops Brisbane Vancouver Intl
$1,485Air Canada
Thu, Feb 4 - Mon, Feb 8
Air Canada Logo
3:15 pm - 2:00 pmSEA  Seattle/Tacoma Intl-CNS Cairns
28h 45m2 stops Vancouver Intl Brisbane
Air Canada Logo
6:00 am - 9:27 amCNS  Cairns-SEA Seattle/Tacoma Intl
21h 27m2 stops Brisbane Vancouver Intl
$1,486Air Canada
Thu, Feb 4 - Mon, Feb 8
Multiple Airlines Logo
7:20 am - 9:20 amSEA  Seattle/Tacoma Intl-CNS Cairns
33h 00m2 stops Honolulu Sydney Kingsford Smith
Multiple Airlines Logo
7:10 pm - 9:29 pmCNS  Cairns-SEA Seattle/Tacoma Intl
43h 19m2 stops Sydney Kingsford Smith Honolulu
$1,560Multiple Airlines
Thu, Sep 3 - Wed, Sep 9
Multiple Airlines Logo
5:59 pm - 12:55 pmSEA  Seattle/Tacoma Intl-CNS Cairns
25h 56m2 stops Los Angeles Sydney Kingsford Smith
Multiple Airlines Logo
3:45 pm - 11:59 pmCNS  Cairns-SEA Seattle/Tacoma Intl
25h 14m2 stops Brisbane Los Angeles
$1,565Multiple Airlines
Sat, Aug 22 - Sat, Sep 5

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Air Canada flights from Seattle to Cairns

Our best Air Canada deals on Seattle to Cairns flight tickets
Air Canada
Feb 4
SEA7:05 pmSeattle/Tacoma Intl
25h 50m
2 stops
CNS2:55 pmCairns
Feb 8
CNS6:00 amCairns
30h 22m
2 stops
SEA6:22 pmSeattle/Tacoma Intl
$1,484
Air Canada
Feb 4
SEA3:15 pmSeattle/Tacoma Intl
28h 45m
2 stops
CNS2:00 pmCairns
Feb 8
CNS6:00 amCairns
21h 27m
2 stops
SEA9:27 amSeattle/Tacoma Intl
$1,485
Air Canada
Feb 4
SEA3:15 pmSeattle/Tacoma Intl
28h 45m
2 stops
CNS2:00 pmCairns
Feb 8
CNS6:00 amCairns
21h 27m
2 stops
SEA9:27 amSeattle/Tacoma Intl
$1,486

Singapore Airlines flights from Seattle to Cairns

Our best Singapore Airlines deals on Seattle to Cairns flight tickets
Singapore Airlines
Sep 3
SEA10:15 amSeattle/Tacoma Intl
61h 45m
1 stop
CNS5:00 pmCairns
Sep 9
CNS6:15 pmCairns
55h 30m
1 stop
SEA8:45 amSeattle/Tacoma Intl
$2,146
Singapore Airlines
Sep 3
SEA10:15 amSeattle/Tacoma Intl
61h 45m
1 stop
CNS5:00 pmCairns
Sep 9
CNS6:15 pmCairns
55h 30m
1 stop
SEA8:45 amSeattle/Tacoma Intl
$2,329

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 9, 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 Seattle/Tacoma Intl - CNS Cairns

SEACNS

Seattle/Tacoma Intl

Mon 1/4

9:14 pm-11:35 am

2 stops44h 21m

Cairns

Mon 1/18

12:35 pm-4:47 pm

2 stops22h 12m

$1,279

SeattleCairns

SEA Seattle/Tacoma Intl - CNS Cairns

SEACNS

Seattle/Tacoma Intl

Thu 9/3

3:58 pm-7:30 pm

2 stops34h 32m

Cairns

Wed 9/9

7:10 pm-1:39 pm

2 stops35h 29m

$1,354

SeattleCairns

SEA Seattle/Tacoma Intl - CNS Cairns

SEACNS

Seattle/Tacoma Intl

Mon 1/4

1:41 pm-4:50 pm

3 stops33h 09m

Cairns

Mon 1/18

6:00 am-11:21 pm

3 stops35h 21m

$1,466
Quickest round-trip

SeattleCairns

SEA Seattle/Tacoma Intl - CNS Cairns

SEACNS

Seattle/Tacoma Intl

Thu 2/4

3:15 pm-2:00 pm

2 stops28h 45m

Cairns

Mon 2/8

6:00 am-9:27 am

2 stops21h 27m

$1,484

SeattleCairns

SEA Seattle/Tacoma Intl - CNS Cairns

SEACNS

Seattle/Tacoma Intl

Thu 2/4

7:05 pm-2:55 pm

2 stops25h 50m

Cairns

Mon 2/8

6:00 am-6:22 pm

2 stops30h 22m

$1,484

SeattleCairns

SEA Seattle/Tacoma Intl - CNS Cairns

SEACNS

Seattle/Tacoma Intl

Thu 2/4

3:15 pm-2:00 pm

2 stops28h 45m

Cairns

Mon 2/8

6:00 am-9:27 am

2 stops21h 27m

$1,485

SeattleCairns

SEA Seattle/Tacoma Intl - CNS Cairns

SEACNS

Seattle/Tacoma Intl

Thu 2/4

3:15 pm-2:00 pm

2 stops28h 45m

Cairns

Mon 2/8

6:00 am-9:27 am

2 stops21h 27m

$1,486

SeattleCairns

SEA Seattle/Tacoma Intl - CNS Cairns

SEACNS

Seattle/Tacoma Intl

Thu 9/3

7:20 am-9:20 am

2 stops33h 00m

Cairns

Wed 9/9

7:10 pm-9:29 pm

2 stops43h 19m

$1,560

SeattleCairns

SEA Seattle/Tacoma Intl - CNS Cairns

SEACNS

Seattle/Tacoma Intl

Sat 8/22

5:59 pm-12:55 pm

2 stops25h 56m

Cairns

Sat 9/5

3:45 pm-11:59 pm

2 stops25h 14m

$1,565
Cheapest one-way

SeattleCairns

SEA Seattle/Tacoma Intl - CNS Cairns

SEACNS

Seattle/Tacoma Intl

Wed 8/19

11:40 am-10:35 am

2 stops29h 55m

$581

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 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

24h 10m

Direct flights

None
The fastest flight from Seattle to Cairns takes 24h 10m
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 10m 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
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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