What is the cheapest airline that flies from Seattle/Tacoma Intl to Cairns?

Qantas Airways is the most popular carrier operating from Seattle/Tacoma Intl to Cairns

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.

$524 Cheap Flights from Seattle to Cairns in 2025/26

1 adult

0 bags

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Seattle to Cairns

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

10:05 am - 2:55 pmSEA-CNS

35h 50m2 stops

6:00 am - 9:31 amCNS-SEA

20h 31m2 stops

$1,424Air Canada

Find Deal

Sun, Mar 15 - Thu, Mar 19

8:00 pm - 9:00 pmSEA-CNS

31h 00m2 stops

7:15 pm - 12:35 pmCNS-SEA

35h 20m2 stops

$2,566Multiple Airlines

Find Deal

Sat, Dec 27 - Sat, Jan 3

5:50 am - 11:05 amSEA-CNS

35h 15m3 stops

7:15 pm - 12:35 pmCNS-SEA

35h 20m2 stops

$2,874Multiple Airlines

Find Deal

Sat, Dec 27 - Sat, Jan 3

5:50 am - 11:05 amSEA-CNS

35h 15m3 stops

5:40 pm - 9:31 amCNS-SEA

33h 51m3 stops

$3,736Multiple Airlines

Find Deal

Sat, Dec 27 - Sat, Jan 3

8:45 am - 5:20 pmSEA-CNS

38h 35m1 stop

10:55 am - 5:15 amCNS-SEA

36h 20m2 stops

$3,855Multiple Airlines

Find Deal

Sat, Dec 27 - Sat, Jan 3

1:07 am - 11:35 amSEA-CNS

40h 28m2 stops

3:45 pm - 1:55 pmCNS-SEA

40h 10m2 stops

$4,257Multiple Airlines

Find Deal

Fri, Dec 26 - Sat, Jan 3

8:00 pm - 2:55 pmSEA-CNS

48h 55m2 stops

6:00 am - 9:31 amCNS-SEA

21h 31m2 stops

$6,920Multiple Airlines

Find Deal

Mon, Jan 12 - Fri, Jan 23

3:45 pm - 4:35 amSEA-CNS

42h 50m1 stop

9:45 am - 6:10 pmCNS-SEA

50h 25m3 stops

$7,243Multiple Airlines

Find Deal

Sun, Jan 11 - Thu, Jan 22

12:30 pm - 4:35 amSEA-CNS

22h 05m1 stop

11:55 am - 9:55 amCNS-SEA

40h 00m1 stop

$7,443Multiple Airlines

Find Deal

Sun, Jan 11 - Thu, Jan 22

12:10 am - 7:05 pmSEA-CNS

48h 55m2 stops

7:50 pm - 6:10 pmCNS-SEA

64h 20m2 stops

$7,617Multiple Airlines

Find Deal

Sat, Jan 10 - Thu, Jan 22

Fly from

Fly to

Route

Depart

Return

Price

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Sun 3/15

10:05 am-2:55 pm

2 stops35h 50m

Cairns

Thu 3/19

6:00 am-9:31 am

2 stops20h 31m

$1,424

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Sat 12/27

8:00 pm-9:00 pm

2 stops31h 00m

Cairns

Sat 1/3

7:15 pm-12:35 pm

2 stops35h 20m

$2,566

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Sat 12/27

5:50 am-11:05 am

3 stops35h 15m

Cairns

Sat 1/3

7:15 pm-12:35 pm

2 stops35h 20m

$2,874

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Sat 12/27

5:50 am-11:05 am

3 stops35h 15m

Cairns

Sat 1/3

5:40 pm-9:31 am

3 stops33h 51m

$3,736

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Sat 12/27

8:45 am-5:20 pm

1 stop38h 35m

Cairns

Sat 1/3

10:55 am-5:15 am

2 stops36h 20m

$3,855

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Fri 12/26

1:07 am-11:35 am

2 stops40h 28m

Cairns

Sat 1/3

3:45 pm-1:55 pm

2 stops40h 10m

$4,257

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Mon 1/12

8:00 pm-2:55 pm

2 stops48h 55m

Cairns

Fri 1/23

6:00 am-9:31 am

2 stops21h 31m

$6,920

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Sun 1/11

3:45 pm-4:35 am

1 stop42h 50m

Cairns

Thu 1/22

9:45 am-6:10 pm

3 stops50h 25m

$7,243

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Sun 1/11

12:30 pm-4:35 am

1 stop22h 05m

Cairns

Thu 1/22

11:55 am-9:55 am

1 stop40h 00m

$7,443

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Sat 1/10

12:10 am-7:05 pm

2 stops48h 55m

Cairns

Thu 1/22

7:50 pm-6:10 pm

2 stops64h 20m

$7,617

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

What is the cheapest time of day to depart on your flight to Cairns?

Our data shows that the cheapest Seattle to Cairns flights are usually those with departure times in the evening. Our users have found flights to Cairns in the evening for as low as $1,529. In the afternoon is when there is more demand to fly to Cairns, so prices are often more expensive at around $1,683 per ticket.

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

Direct flights	None

There are no direct flights from Seattle to Cairns. There are no popular flight routes from Seattle to Cairns.

Search flight deals

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 22h 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.

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.