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Cheap flights from Seattle to Cairns from $676

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
7:20 am - 6:25 pm
SEA
-
CNS
42h 05m
2 stops
Multiple Airlines Logo
10:15 am - 11:53 pm
CNS
-
SEA
30h 38m
2 stops
$1,282Multiple Airlines
Mon, Aug 31 - Sun, Sep 6
American Airlines Logo
5:02 pm - 3:00 pm
SEA
-
CNS
28h 58m
2 stops
American Airlines Logo
1:55 pm - 11:21 pm
CNS
-
SEA
26h 26m
2 stops
$1,342American Airlines
Wed, Aug 5 - Wed, Aug 12
Qantas Airways Logo
5:10 pm - 1:45 pm
SEA
-
CNS
27h 35m
2 stops
Qantas Airways Logo
6:50 am - 11:21 pm
CNS
-
SEA
33h 31m
2 stops
$1,401Qantas Airways
Tue, Sep 1 - Tue, Sep 8
Multiple Airlines Logo
1:20 pm - 4:30 am
SEA
-
CNS
22h 10m
1 stop
Multiple Airlines Logo
12:40 pm - 11:55 am
CNS
-
SEA
40h 15m
2 stops
$1,405Multiple Airlines
Mon, Aug 31 - Mon, Sep 7
Qantas Airways Logo
5:22 pm - 12:55 pm
SEA
-
CNS
26h 33m
2 stops
Qantas Airways Logo
5:25 pm - 7:39 pm
CNS
-
SEA
43h 14m
2 stops
$1,421Qantas Airways
Mon, Aug 31 - Mon, Sep 7
Qantas Airways Logo
5:22 pm - 12:55 pm
SEA
-
CNS
26h 33m
2 stops
Qantas Airways Logo
6:50 am - 10:59 pm
CNS
-
SEA
33h 09m
2 stops
$1,426Qantas Airways
Mon, Aug 31 - Tue, Sep 8
Qantas Airways Logo
5:10 pm - 7:30 pm
SEA
-
CNS
33h 20m
2 stops
Qantas Airways Logo
6:50 am - 1:39 pm
CNS
-
SEA
47h 49m
2 stops
$1,428Qantas Airways
Wed, Sep 2 - Tue, Sep 8
Air Canada Logo
7:20 pm - 11:10 am
SEA
-
CNS
22h 50m
2 stops
Air Canada Logo
6:00 am - 2:22 pm
CNS
-
SEA
25h 22m
2 stops
$1,433Air Canada
Sun, Aug 30 - Tue, Sep 8
Qantas Airways Logo
5:22 pm - 1:45 pm
SEA
-
CNS
27h 23m
2 stops
Qantas Airways Logo
5:25 pm - 1:39 pm
CNS
-
SEA
37h 14m
2 stops
$1,444Qantas Airways
Tue, Sep 1 - Mon, Sep 7
Qantas Airways Logo
5:22 pm - 1:40 pm
SEA
-
CNS
27h 18m
2 stops
Qantas Airways Logo
3:45 pm - 11:21 pm
CNS
-
SEA
24h 36m
2 stops
$1,446Qantas Airways
Sun, Aug 30 - Sun, Sep 6

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Qantas Airways flights from Seattle to Cairns

Our best Qantas Airways deals on Seattle to Cairns flight tickets
Qantas Airways
Sep 1
SEA5:10 pmSeattle/Tacoma Intl
27h 35m
2 stops
CNS1:45 pmCairns
Sep 8
CNS6:50 amCairns
33h 31m
2 stops
SEA11:21 pmSeattle/Tacoma Intl
$1,401
Qantas Airways
Aug 31
SEA5:22 pmSeattle/Tacoma Intl
26h 33m
2 stops
CNS12:55 pmCairns
Sep 7
CNS5:25 pmCairns
43h 14m
2 stops
SEA7:39 pmSeattle/Tacoma Intl
$1,421
Qantas Airways
Aug 31
SEA5:22 pmSeattle/Tacoma Intl
26h 33m
2 stops
CNS12:55 pmCairns
Sep 8
CNS6:50 amCairns
33h 09m
2 stops
SEA10:59 pmSeattle/Tacoma Intl
$1,426

Air Canada flights from Seattle to Cairns

Our best Air Canada deals on Seattle to Cairns flight tickets
Air Canada
Aug 30
SEA7:20 pmSeattle/Tacoma Intl
22h 50m
2 stops
CNS11:10 amCairns
Sep 8
CNS6:00 amCairns
25h 22m
2 stops
SEA2:22 pmSeattle/Tacoma Intl
$1,433
Air Canada
Aug 30
SEA5:50 amSeattle/Tacoma Intl
36h 20m
2 stops
CNS11:10 amCairns
Sep 4
CNS6:00 amCairns
21h 07m
2 stops
SEA10:07 amSeattle/Tacoma Intl
$1,533
Air Canada
Sep 1
SEA5:50 amSeattle/Tacoma Intl
36h 20m
2 stops
CNS11:10 amCairns
Sep 6
CNS7:15 pmCairns
36h 07m
2 stops
SEA2:22 pmSeattle/Tacoma Intl
$1,931

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 28, 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 8/31

7:20 am-6:25 pm

2 stops42h 05m

Cairns

Sun 9/6

10:15 am-11:53 pm

2 stops30h 38m

$1,282

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Wed 8/5

5:02 pm-3:00 pm

2 stops28h 58m

Cairns

Wed 8/12

1:55 pm-11:21 pm

2 stops26h 26m

$1,342

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Tue 9/1

5:10 pm-1:45 pm

2 stops27h 35m

Cairns

Tue 9/8

6:50 am-11:21 pm

2 stops33h 31m

$1,401

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Mon 8/31

1:20 pm-4:30 am

1 stop22h 10m

Cairns

Mon 9/7

12:40 pm-11:55 am

2 stops40h 15m

$1,405

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Mon 8/31

5:22 pm-12:55 pm

2 stops26h 33m

Cairns

Mon 9/7

5:25 pm-7:39 pm

2 stops43h 14m

$1,421

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Mon 8/31

5:22 pm-12:55 pm

2 stops26h 33m

Cairns

Tue 9/8

6:50 am-10:59 pm

2 stops33h 09m

$1,426

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Wed 9/2

5:10 pm-7:30 pm

2 stops33h 20m

Cairns

Tue 9/8

6:50 am-1:39 pm

2 stops47h 49m

$1,428
Quickest round-trip

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Sun 8/30

7:20 pm-11:10 am

2 stops22h 50m

Cairns

Tue 9/8

6:00 am-2:22 pm

2 stops25h 22m

$1,433

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Tue 9/1

5:22 pm-1:45 pm

2 stops27h 23m

Cairns

Mon 9/7

5:25 pm-1:39 pm

2 stops37h 14m

$1,444

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Sun 8/30

5:22 pm-1:40 pm

2 stops27h 18m

Cairns

Sun 9/6

3:45 pm-11:21 pm

2 stops24h 36m

$1,446

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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

42h 05m

Direct flights

None
The fastest flight from Seattle to Cairns takes 42h 05m
There are no direct flights from Seattle to Cairns. There are no popular flight routes from Seattle to Cairns.
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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 42h 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.

Frequently asked questions about flying from Seattle to Cairns

  • How do I get Price Alerts for flights from Seattle to Cairns?

    Confirm your travel details to search for the latest offers for flights from Seattle to Cairns. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

  • How can I save money on flights from Seattle to Cairns with momondo?

    With “Price Forecast”, learn how soon you should book your flight in advance. Down to the day of week and time of day, our information can inform you on the ideal time to book to save on your travel. Our “Price Calendar” shows you at a quick glance when to book your travel for lower rates. By setting “Price Alerts” you can monitor changes in price and target the ideal time to book. Search for your trip destination by budget amount via our “Explore” feature. Whether you’re looking for ideas for your next travel adventure or cost-cutting tips, our “Discover” content is a great place to start.

  • How does momondo find its flight prices?

    We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

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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