Cheap flights from Seattle to Cairns from $600

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 5/2. 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
0 bags

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Find the cheapest flights from Seattle to Cairns

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
4:50 pm - 11:35 am
SEA
-
CNS
24h 45m
2 stops
Multiple Airlines Logo
12:35 pm - 9:32 pm
CNS
-
SEA
25h 57m
2 stops
$1,068Multiple Airlines
Thu, Mar 5 - Thu, Mar 12
Multiple Airlines Logo
2:53 pm - 10:50 am
SEA
-
CNS
26h 57m
2 stops
Multiple Airlines Logo
7:10 pm - 8:47 am
CNS
-
SEA
54h 37m
2 stops
$1,567Multiple Airlines
Wed, Apr 1 - Sat, Apr 11
Qantas Airways Logo
4:50 pm - 4:15 pm
SEA
-
CNS
29h 25m
2 stops
Qantas Airways Logo
2:50 pm - 7:58 pm
CNS
-
SEA
23h 08m
2 stops
$1,585Qantas Airways
Sat, Feb 28 - Wed, Mar 4
Multiple Airlines Logo
3:40 pm - 2:05 pm
SEA
-
CNS
28h 25m
2 stops
Multiple Airlines Logo
6:05 pm - 9:31 am
CNS
-
SEA
32h 26m
3 stops
$1,767Multiple Airlines
Thu, Mar 5 - Thu, Mar 12
Singapore Airlines Logo
8:45 am - 5:20 pm
SEA
-
CNS
38h 35m
1 stop
Singapore Airlines Logo
6:35 pm - 7:10 am
CNS
-
SEA
30h 35m
1 stop
$1,818Singapore Airlines
Sat, Feb 28 - Wed, Mar 4
Air New Zealand Logo
9:00 am - 9:00 pm
SEA
-
CNS
42h 00m
3 stops
Air New Zealand Logo
6:00 am - 11:28 pm
CNS
-
SEA
34h 28m
3 stops
$1,846Air New Zealand
Thu, Mar 5 - Thu, Mar 12
Singapore Airlines Logo
8:45 am - 5:20 pm
SEA
-
CNS
38h 35m
1 stop
Singapore Airlines Logo
11:40 am - 7:10 am
CNS
-
SEA
37h 30m
2 stops
$1,948Singapore Airlines
Sat, Feb 28 - Wed, Mar 4
Air New Zealand Logo
6:20 am - 11:10 pm
SEA
-
CNS
47h 50m
3 stops
Air New Zealand Logo
6:20 pm - 9:46 pm
CNS
-
SEA
44h 26m
2 stops
$2,182Air New Zealand
Wed, Apr 1 - Sat, Apr 11
Multiple Airlines Logo
1:50 pm - 4:30 am
SEA
-
CNS
21h 40m
1 stop
Multiple Airlines Logo
12:40 pm - 7:03 pm
CNS
-
SEA
23h 23m
2 stops
$2,365Multiple Airlines
Wed, Apr 1 - Sat, Apr 11
Air New Zealand Logo
6:20 am - 11:10 pm
SEA
-
CNS
47h 50m
3 stops
Air New Zealand Logo
6:00 am - 10:10 pm
CNS
-
SEA
33h 10m
3 stops
$2,456Air New Zealand
Wed, Apr 1 - Sat, Apr 11

Qantas Airways flights from Seattle to Cairns

Our best Qantas Airways deals on Seattle to Cairns flight tickets
Qantas Airways
Feb 28
SEA4:50 pmSeattle/Tacoma Intl
29h 25m
2 stops
CNS4:15 pmCairns
Mar 4
CNS2:50 pmCairns
23h 08m
2 stops
SEA7:58 pmSeattle/Tacoma Intl
$1,585
Qantas Airways
Apr 1
SEA6:00 amSeattle/Tacoma Intl
35h 50m
2 stops
CNS10:50 amCairns
Apr 11
CNS2:55 pmCairns
46h 47m
3 stops
SEA8:42 pmSeattle/Tacoma Intl
$4,135

Singapore Airlines flights from Seattle to Cairns

Our best Singapore Airlines deals on Seattle to Cairns flight tickets
Singapore Airlines
Feb 28
SEA8:45 amSeattle/Tacoma Intl
38h 35m
1 stop
CNS5:20 pmCairns
Mar 4
CNS6:35 pmCairns
30h 35m
1 stop
SEA7:10 amSeattle/Tacoma Intl
$1,818
Singapore Airlines
Feb 28
SEA8:45 amSeattle/Tacoma Intl
38h 35m
1 stop
CNS5:20 pmCairns
Mar 4
CNS11:40 amCairns
37h 30m
2 stops
SEA7:10 amSeattle/Tacoma Intl
$1,948

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 January 20, 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

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Thu 3/5

4:50 pm-11:35 am

2 stops24h 45m

Cairns

Thu 3/12

12:35 pm-9:32 pm

2 stops25h 57m

$1,068

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Wed 4/1

2:53 pm-10:50 am

2 stops26h 57m

Cairns

Sat 4/11

7:10 pm-8:47 am

2 stops54h 37m

$1,567

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Sat 2/28

4:50 pm-4:15 pm

2 stops29h 25m

Cairns

Wed 3/4

2:50 pm-7:58 pm

2 stops23h 08m

$1,585

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Thu 3/5

3:40 pm-2:05 pm

2 stops28h 25m

Cairns

Thu 3/12

6:05 pm-9:31 am

3 stops32h 26m

$1,767

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Sat 2/28

8:45 am-5:20 pm

1 stop38h 35m

Cairns

Wed 3/4

6:35 pm-7:10 am

1 stop30h 35m

$1,818

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Thu 3/5

9:00 am-9:00 pm

3 stops42h 00m

Cairns

Thu 3/12

6:00 am-11:28 pm

3 stops34h 28m

$1,846

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Sat 2/28

8:45 am-5:20 pm

1 stop38h 35m

Cairns

Wed 3/4

11:40 am-7:10 am

2 stops37h 30m

$1,948

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Wed 4/1

6:20 am-11:10 pm

3 stops47h 50m

Cairns

Sat 4/11

6:20 pm-9:46 pm

2 stops44h 26m

$2,182

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Wed 4/1

1:50 pm-4:30 am

1 stop21h 40m

Cairns

Sat 4/11

12:40 pm-7:03 pm

2 stops23h 23m

$2,365

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Wed 4/1

6:20 am-11:10 pm

3 stops47h 50m

Cairns

Sat 4/11

6:00 am-10:10 pm

3 stops33h 10m

$2,456

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 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?

Singapore 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 45m

Direct flights

None
The fastest flight from Seattle to Cairns takes 24h 45m
There are no direct flights from Seattle to Cairns. There are no popular flight routes 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 45m 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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1 adult
Thu 2/19
Thu 2/26

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