Cheap flights from Seattle to Cairns from $799

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 8/9. 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

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Find the cheapest flights from Seattle to Cairns (SEA-CNS)

Cheap return flights

 Logo
19:15 - 13:45SEA-CNS
25h 30m2 stops
 Logo
18:00 - 14:26CNS-SEA
37h 26m2 stops
$1,649
Find Deal
Sun, 19 Oct - Sat, 25 Oct
Air Canada Logo
10:05 - 14:00SEA-CNS
34h 55m2 stops
Air Canada Logo
06:00 - 19:16CNS-SEA
31h 16m2 stops
$1,738Air Canada
Find Deal
Sat, 1 Nov - Wed, 5 Nov
Qantas Airways Logo
15:23 - 12:55SEA-CNS
28h 32m2 stops
Qantas Airways Logo
12:40 - 20:07CNS-SEA
24h 27m2 stops
$1,763Qantas Airways
Find Deal
Tue, 30 Sep - Tue, 7 Oct
 Logo
19:15 - 13:35SEA-CNS
25h 20m2 stops
 Logo
06:00 - 18:36CNS-SEA
29h 36m2 stops
$1,814
Find Deal
Sat, 6 Sep - Thu, 11 Sep
 Logo
17:59 - 22:50SEA-CNS
35h 51m2 stops
 Logo
06:40 - 22:00CNS-SEA
33h 20m2 stops
$1,837
Find Deal
Wed, 24 Sep - Sun, 9 Nov
United Airlines Logo
12:30 - 14:55SEA-CNS
33h 25m3 stops
United Airlines Logo
06:00 - 18:25CNS-SEA
30h 25m2 stops
$2,090United Airlines
Find Deal
Sat, 1 Nov - Wed, 5 Nov
Air New Zealand Logo
06:35 - 09:45SEA-CNS
34h 10m2 stops
Air New Zealand Logo
17:20 - 19:16CNS-SEA
42h 56m3 stops
$2,320Air New Zealand
Find Deal
Sun, 19 Oct - Sat, 25 Oct
Singapore Airlines Logo
09:45 - 17:20SEA-CNS
38h 35m1 stop
Singapore Airlines Logo
18:35 - 07:10CNS-SEA
30h 35m1 stop
$2,548Singapore Airlines
Find Deal
Sat, 1 Nov - Wed, 5 Nov
Singapore Airlines Logo
09:45 - 17:20SEA-CNS
38h 35m1 stop
Singapore Airlines Logo
18:35 - 07:10CNS-SEA
30h 35m1 stop
$2,600Singapore Airlines
Find Deal
Sat, 1 Nov - Wed, 5 Nov
Qantas Airways Logo
17:59 - 16:30SEA-CNS
29h 31m2 stops
Qantas Airways Logo
11:45 - 18:03CNS-SEA
48h 18m3 stops
$2,886Qantas Airways
Find Deal
Thu, 25 Sep - Sun, 9 Nov

Qantas Airways flights from Seattle to Cairns

Our best Qantas Airways deals on Seattle to Cairns flight tickets
Qantas Airways
30 Sept
SEA15:23Seattle/Tacoma Intl
28h 32m
2 stops
CNS12:55Cairns
7 Oct
CNS12:40Cairns
24h 27m
2 stops
SEA20:07Seattle/Tacoma Intl
Qantas Airways
25 Sept
SEA17:59Seattle/Tacoma Intl
29h 31m
2 stops
CNS16:30Cairns
9 Nov
CNS11:45Cairns
48h 18m
3 stops
SEA18:03Seattle/Tacoma Intl

Singapore Airlines flights from Seattle to Cairns

Our best Singapore Airlines deals on Seattle to Cairns flight tickets
Singapore Airlines
1 Nov
SEA09:45Seattle/Tacoma Intl
38h 35m
1 stop
CNS17:20Cairns
5 Nov
CNS18:35Cairns
30h 35m
1 stop
SEA07:10Seattle/Tacoma Intl
Singapore Airlines
1 Nov
SEA09:45Seattle/Tacoma Intl
38h 35m
1 stop
CNS17:20Cairns
5 Nov
CNS18:35Cairns
30h 35m
1 stop
SEA07:10Seattle/Tacoma Intl
Singapore Airlines
1 Nov
SEA09:45Seattle/Tacoma Intl
38h 35m
1 stop
CNS17:20Cairns
5 Nov
CNS18:35Cairns
37h 24m
2 stops
SEA13:59Seattle/Tacoma Intl

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 18 August 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

Sun 19/10

19:15-13:45

2 stops25h 30m

Cairns

Sat 25/10

18:00-14:26

2 stops37h 26m

$1,649

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Sat 1/11

10:05-14:00

2 stops34h 55m

Cairns

Wed 5/11

06:00-19:16

2 stops31h 16m

$1,738

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Tue 30/9

15:23-12:55

2 stops28h 32m

Cairns

Tue 7/10

12:40-20:07

2 stops24h 27m

$1,763

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Sat 6/9

19:15-13:35

2 stops25h 20m

Cairns

Thu 11/9

06:00-18:36

2 stops29h 36m

$1,814

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Wed 24/9

17:59-22:50

2 stops35h 51m

Cairns

Sun 9/11

06:40-22:00

2 stops33h 20m

$1,837

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Sat 1/11

12:30-14:55

3 stops33h 25m

Cairns

Wed 5/11

06:00-18:25

2 stops30h 25m

$2,090

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Sun 19/10

06:35-09:45

2 stops34h 10m

Cairns

Sat 25/10

17:20-19:16

3 stops42h 56m

$2,320

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Sat 1/11

09:45-17:20

1 stop38h 35m

Cairns

Wed 5/11

18:35-07:10

1 stop30h 35m

$2,548

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Sat 1/11

09:45-17:20

1 stop38h 35m

Cairns

Wed 5/11

18:35-07:10

1 stop30h 35m

$2,600

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Thu 25/9

17:59-16:30

2 stops29h 31m

Cairns

Sun 9/11

11:45-18:03

3 stops48h 18m

$2,886

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, Qantas Airways, and Fiji Airways 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 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

Best price found

$799

Fastest flight time

21h 40m

Direct flights

None

Airports in Cairns

1 airport
The best one-way flight to Cairns from Seattle in the past 72 hours is $799. The best return flight deal from Seattle to Cairns found on momondo in the last 72 hours is $1,649.
The fastest flight from Seattle to Cairns takes 21h 40m
There are no direct flights from Seattle to Cairns. Popular non-direct route for this connection is Seattle/Tacoma Intl Airport - Cairns Airport.
There is 1 airport near Cairns: Cairns (CNS)
  • 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 21h 40m.

  • 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
Trinity Beach
Mission 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.

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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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1 adult
Sat 23/8
Sat 30/8

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