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Cheap flights from Seattle to Cairns from $829

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 19/8. 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 return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
21:14 - 11:35SEA  Seattle/Tacoma Intl-CNS Cairns
44h 21m2 stops Los Angeles Nadi
Multiple Airlines Logo
12:35 - 16:47CNS  Cairns-SEA Seattle/Tacoma Intl
22h 12m2 stops Nadi Los Angeles
$1,809Multiple Airlines
Mon, 4 Jan - Mon, 18 Jan
Multiple Airlines Logo
15:58 - 19:30SEA  Seattle/Tacoma Intl-CNS Cairns
34h 32m2 stops Los Angeles Brisbane
Multiple Airlines Logo
19:10 - 13:39CNS  Cairns-SEA Seattle/Tacoma Intl
35h 29m2 stops Sydney Kingsford Smith Los Angeles
$1,915Multiple Airlines
Thu, 3 Sep - Wed, 9 Sep
Multiple Airlines Logo
13:41 - 16:50SEA  Seattle/Tacoma Intl-CNS Cairns
33h 09m3 stops Los Angeles Auckland Intl Brisbane
Multiple Airlines Logo
06:00 - 23:21CNS  Cairns-SEA Seattle/Tacoma Intl
35h 21m3 stops Brisbane Auckland Intl San Francisco
$2,073Multiple Airlines
Mon, 4 Jan - Mon, 18 Jan
Air Canada Logo
19:05 - 14:55SEA  Seattle/Tacoma Intl-CNS Cairns
25h 50m2 stops Vancouver Intl Sydney Kingsford Smith
Air Canada Logo
06:00 - 18:22CNS  Cairns-SEA Seattle/Tacoma Intl
30h 22m2 stops Brisbane Vancouver Intl
$2,099Air Canada
Thu, 4 Feb - Mon, 8 Feb
Air Canada Logo
15:15 - 14:00SEA  Seattle/Tacoma Intl-CNS Cairns
28h 45m2 stops Vancouver Intl Brisbane
Air Canada Logo
06:00 - 09:27CNS  Cairns-SEA Seattle/Tacoma Intl
21h 27m2 stops Brisbane Vancouver Intl
$2,100Air Canada
Thu, 4 Feb - Mon, 8 Feb
Air Canada Logo
15:15 - 14:00SEA  Seattle/Tacoma Intl-CNS Cairns
28h 45m2 stops Vancouver Intl Brisbane
Air Canada Logo
06:00 - 09:27CNS  Cairns-SEA Seattle/Tacoma Intl
21h 27m2 stops Brisbane Vancouver Intl
$2,102Air Canada
Thu, 4 Feb - Mon, 8 Feb
Multiple Airlines Logo
07:20 - 09:20SEA  Seattle/Tacoma Intl-CNS Cairns
33h 00m2 stops Honolulu Sydney Kingsford Smith
Multiple Airlines Logo
19:10 - 21:29CNS  Cairns-SEA Seattle/Tacoma Intl
43h 19m2 stops Sydney Kingsford Smith Honolulu
$2,206Multiple Airlines
Thu, 3 Sep - Wed, 9 Sep
Multiple Airlines Logo
17:59 - 12:55SEA  Seattle/Tacoma Intl-CNS Cairns
25h 56m2 stops Los Angeles Sydney Kingsford Smith
Multiple Airlines Logo
15:45 - 23:59CNS  Cairns-SEA Seattle/Tacoma Intl
25h 14m2 stops Brisbane Los Angeles
$2,213Multiple Airlines
Sat, 22 Aug - Sat, 5 Sep
Multiple Airlines Logo
13:20 - 04:30SEA  Seattle/Tacoma Intl-CNS Cairns
22h 10m1 stop Tokyo Narita
Multiple Airlines Logo
06:45 - 22:40CNS  Cairns-SEA Seattle/Tacoma Intl
32h 55m2 stops Sydney Kingsford Smith Los Angeles
$2,650Multiple Airlines
Thu, 3 Sep - Wed, 9 Sep
Multiple Airlines Logo
13:20 - 04:30SEA  Seattle/Tacoma Intl-CNS Cairns
22h 10m1 stop Tokyo Narita
Multiple Airlines Logo
09:25 - 17:51CNS  Cairns-SEA Seattle/Tacoma Intl
49h 26m2 stops Brisbane Los Angeles
$2,776Multiple Airlines
Sat, 22 Aug - Sat, 5 Sep

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Air Canada flights from Seattle to Cairns

Our best Air Canada deals on Seattle to Cairns flight tickets
Air Canada
4 Feb
SEA19:05Seattle/Tacoma Intl
25h 50m
2 stops
CNS14:55Cairns
8 Feb
CNS06:00Cairns
30h 22m
2 stops
SEA18:22Seattle/Tacoma Intl
$2,099
Air Canada
4 Feb
SEA15:15Seattle/Tacoma Intl
28h 45m
2 stops
CNS14:00Cairns
8 Feb
CNS06:00Cairns
21h 27m
2 stops
SEA09:27Seattle/Tacoma Intl
$2,100
Air Canada
4 Feb
SEA15:15Seattle/Tacoma Intl
28h 45m
2 stops
CNS14:00Cairns
8 Feb
CNS06:00Cairns
21h 27m
2 stops
SEA09:27Seattle/Tacoma Intl
$2,102

Singapore Airlines flights from Seattle to Cairns

Our best Singapore Airlines deals on Seattle to Cairns flight tickets
Singapore Airlines
3 Sept
SEA10:15Seattle/Tacoma Intl
61h 45m
1 stop
CNS17:00Cairns
9 Sept
CNS18:15Cairns
55h 30m
1 stop
SEA08:45Seattle/Tacoma Intl
$3,035
Singapore Airlines
3 Sept
SEA10:15Seattle/Tacoma Intl
61h 45m
1 stop
CNS17:00Cairns
9 Sept
CNS18:15Cairns
55h 30m
1 stop
SEA08:45Seattle/Tacoma Intl
$3,294

momondo Fare Finder

 
Customise 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 78,305 searches. Data last updated 9 August 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 return flight

SeattleCairns

SEA Seattle/Tacoma Intl - CNS Cairns

SEACNS

Seattle/Tacoma Intl

Mon 4/1

21:14-11:35

2 stops44h 21m

Cairns

Mon 18/1

12:35-16:47

2 stops22h 12m

$1,809

SeattleCairns

SEA Seattle/Tacoma Intl - CNS Cairns

SEACNS

Seattle/Tacoma Intl

Thu 3/9

15:58-19:30

2 stops34h 32m

Cairns

Wed 9/9

19:10-13:39

2 stops35h 29m

$1,915

SeattleCairns

SEA Seattle/Tacoma Intl - CNS Cairns

SEACNS

Seattle/Tacoma Intl

Mon 4/1

13:41-16:50

3 stops33h 09m

Cairns

Mon 18/1

06:00-23:21

3 stops35h 21m

$2,073

SeattleCairns

SEA Seattle/Tacoma Intl - CNS Cairns

SEACNS

Seattle/Tacoma Intl

Thu 4/2

19:05-14:55

2 stops25h 50m

Cairns

Mon 8/2

06:00-18:22

2 stops30h 22m

$2,099
Fastest return journey

SeattleCairns

SEA Seattle/Tacoma Intl - CNS Cairns

SEACNS

Seattle/Tacoma Intl

Thu 4/2

15:15-14:00

2 stops28h 45m

Cairns

Mon 8/2

06:00-09:27

2 stops21h 27m

$2,100

SeattleCairns

SEA Seattle/Tacoma Intl - CNS Cairns

SEACNS

Seattle/Tacoma Intl

Thu 4/2

15:15-14:00

2 stops28h 45m

Cairns

Mon 8/2

06:00-09:27

2 stops21h 27m

$2,102

SeattleCairns

SEA Seattle/Tacoma Intl - CNS Cairns

SEACNS

Seattle/Tacoma Intl

Thu 3/9

07:20-09:20

2 stops33h 00m

Cairns

Wed 9/9

19:10-21:29

2 stops43h 19m

$2,206

SeattleCairns

SEA Seattle/Tacoma Intl - CNS Cairns

SEACNS

Seattle/Tacoma Intl

Sat 22/8

17:59-12:55

2 stops25h 56m

Cairns

Sat 5/9

15:45-23:59

2 stops25h 14m

$2,213

SeattleCairns

SEA Seattle/Tacoma Intl - CNS Cairns

SEACNS

Seattle/Tacoma Intl

Thu 3/9

13:20-04:30

1 stop22h 10m

Cairns

Wed 9/9

06:45-22:40

2 stops32h 55m

$2,650

SeattleCairns

SEA Seattle/Tacoma Intl - CNS Cairns

SEACNS

Seattle/Tacoma Intl

Sat 22/8

13:20-04:30

1 stop22h 10m

Cairns

Sat 5/9

09:25-17:51

2 stops49h 26m

$2,776

Flights are sorted by cheapest return 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 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 return 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

34h 32m

Direct flights

None
The fastest flight from Seattle to Cairns takes 34h 32m
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?

    There are 11518.9 km between Seattle/Tacoma Intl and Cairns. By plane, this route typically takes 34h 32m.

  • 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 are updated daily.

  • How old do you have to be to fly from Seattle/Tacoma Intl Airport to Cairns Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check 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 travel and health documents you'll need for your trip to Cairns Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at Cairns Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Travelling to a place near Cairns?

Book flights to Cairns if you plan to visit one of these locations
Port Douglas
Palm Cove
Mission Beach
Trinity Beach

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to Cairns?

It is quick and easy to find Seattle to Cairns flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Cairns that suits you.

Can I find flights from Seattle to Cairns with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Seattle to Cairns flights to just show those with flexible booking policies.

How can momondo help me find flights from Seattle to Cairns?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Seattle to Cairns.

I’m not ready to book a flight from Seattle to Cairns right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Seattle to Cairns flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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