Latest deals
When to book
FAQs
Price Alerts

Cheap flights from Seattle to Cairns from $614

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
0 bags

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

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

Trusted and free

Trusted and free

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

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Seattle to Cairns

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
6:01 pm - 11:40 am
SEA
-
CNS
24h 39m
2 stops
Multiple Airlines Logo
12:40 pm - 6:33 pm
CNS
-
SEA
22h 53m
2 stops
$1,118Multiple Airlines
Thu, Sep 3 - Mon, Sep 14
Multiple Airlines Logo
6:10 pm - 11:40 am
SEA
-
CNS
24h 30m
2 stops
Multiple Airlines Logo
12:40 pm - 6:10 pm
CNS
-
SEA
22h 30m
2 stops
$1,165Multiple Airlines
Sat, Jul 18 - Thu, Jul 30
United Airlines Logo
10:29 am - 11:10 am
SEA
-
CNS
31h 41m
2 stops
United Airlines Logo
6:00 am - 6:29 pm
CNS
-
SEA
29h 29m
2 stops
$1,287United Airlines
Mon, Jul 27 - Tue, Aug 11
Multiple Airlines Logo
2:25 pm - 11:40 am
SEA
-
CNS
28h 15m
2 stops
Multiple Airlines Logo
12:40 pm - 11:05 pm
CNS
-
SEA
27h 25m
2 stops
$1,451Multiple Airlines
Thu, Jun 4 - Thu, Jun 11
Air Canada Logo
10:45 am - 11:10 am
SEA
-
CNS
31h 25m
2 stops
Air Canada Logo
6:00 am - 6:32 pm
CNS
-
SEA
29h 32m
2 stops
$1,479Air Canada
Sat, Jul 4 - Tue, Aug 4
United Airlines Logo
3:33 pm - 11:10 am
SEA
-
CNS
26h 37m
2 stops
United Airlines Logo
6:00 am - 6:29 pm
CNS
-
SEA
29h 29m
2 stops
$1,487United Airlines
Mon, Jul 27 - Tue, Aug 11
Multiple Airlines Logo
8:50 pm - 9:20 am
SEA
-
CNS
43h 30m
2 stops
Multiple Airlines Logo
6:45 am - 11:59 pm
CNS
-
SEA
34h 14m
2 stops
$1,542Multiple Airlines
Thu, May 14 - Sun, May 24
Multiple Airlines Logo
7:35 am - 9:20 am
SEA
-
CNS
32h 45m
2 stops
Multiple Airlines Logo
10:15 am - 11:59 pm
CNS
-
SEA
30h 44m
2 stops
$1,631Multiple Airlines
Sat, Jun 6 - Sat, Jun 13
Multiple Airlines Logo
8:20 pm - 8:50 pm
SEA
-
CNS
55h 30m
2 stops
Multiple Airlines Logo
7:10 pm - 8:56 pm
CNS
-
SEA
42h 46m
2 stops
$1,634Multiple Airlines
Tue, Jun 9 - Thu, Jun 18
Multiple Airlines Logo
8:00 am - 9:20 am
SEA
-
CNS
32h 20m
2 stops
Multiple Airlines Logo
6:50 am - 11:59 pm
CNS
-
SEA
34h 09m
2 stops
$1,642Multiple Airlines
Thu, Jul 9 - Sun, Jul 19

Qantas Airways flights from Seattle to Cairns

Our best Qantas Airways deals on Seattle to Cairns flight tickets
Qantas Airways
Jun 9
SEA5:59 pmSeattle/Tacoma Intl
25h 56m
2 stops
CNS12:55 pmCairns
Jun 18
CNS7:10 pmCairns
43h 35m
2 stops
SEA9:45 pmSeattle/Tacoma Intl
$1,681
Qantas Airways
Jun 9
SEA2:40 pmSeattle/Tacoma Intl
33h 15m
2 stops
CNS4:55 pmCairns
Jun 18
CNS1:40 pmCairns
49h 05m
2 stops
SEA9:45 pmSeattle/Tacoma Intl
$1,758
Qantas Airways
Aug 22
SEA5:22 pmSeattle/Tacoma Intl
31h 13m
2 stops
CNS5:35 pmCairns
Aug 26
CNS6:50 amCairns
29h 52m
2 stops
SEA7:42 pmSeattle/Tacoma Intl
$1,867

Singapore Airlines flights from Seattle to Cairns

Our best Singapore Airlines deals on Seattle to Cairns flight tickets
Singapore Airlines
Sep 3
SEA10:15 amSeattle/Tacoma Intl
61h 45m
1 stop
CNS5:00 pmCairns
Sep 14
CNS6:15 pmCairns
31h 30m
1 stop
SEA8:45 amSeattle/Tacoma Intl
$1,812
Singapore Airlines
Sep 3
SEA10:15 amSeattle/Tacoma Intl
36h 40m
2 stops
CNS3:55 pmCairns
Sep 14
CNS6:15 pmCairns
31h 30m
1 stop
SEA8:45 amSeattle/Tacoma Intl
$1,879
Singapore Airlines
Aug 22
SEA10:15 amSeattle/Tacoma Intl
37h 45m
1 stop
CNS5:00 pmCairns
Aug 26
CNS6:15 pmCairns
31h 30m
1 stop
SEA8:45 amSeattle/Tacoma Intl
$2,474

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 April 25, 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

Thu 9/3

6:01 pm-11:40 am

2 stops24h 39m

Cairns

Mon 9/14

12:40 pm-6:33 pm

2 stops22h 53m

$1,118
Quickest round-trip

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Sat 7/18

6:10 pm-11:40 am

2 stops24h 30m

Cairns

Thu 7/30

12:40 pm-6:10 pm

2 stops22h 30m

$1,165

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Mon 7/27

10:29 am-11:10 am

2 stops31h 41m

Cairns

Tue 8/11

6:00 am-6:29 pm

2 stops29h 29m

$1,287

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Thu 6/4

2:25 pm-11:40 am

2 stops28h 15m

Cairns

Thu 6/11

12:40 pm-11:05 pm

2 stops27h 25m

$1,451

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Sat 7/4

10:45 am-11:10 am

2 stops31h 25m

Cairns

Tue 8/4

6:00 am-6:32 pm

2 stops29h 32m

$1,479

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Mon 7/27

3:33 pm-11:10 am

2 stops26h 37m

Cairns

Tue 8/11

6:00 am-6:29 pm

2 stops29h 29m

$1,487

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Thu 5/14

8:50 pm-9:20 am

2 stops43h 30m

Cairns

Sun 5/24

6:45 am-11:59 pm

2 stops34h 14m

$1,542

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Sat 6/6

7:35 am-9:20 am

2 stops32h 45m

Cairns

Sat 6/13

10:15 am-11:59 pm

2 stops30h 44m

$1,631

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Tue 6/9

8:20 pm-8:50 pm

2 stops55h 30m

Cairns

Thu 6/18

7:10 pm-8:56 pm

2 stops42h 46m

$1,634

SeattleCairns

SEA - CNS

SEACNS

Seattle/Tacoma Intl

Thu 7/9

8:00 am-9:20 am

2 stops32h 20m

Cairns

Sun 7/19

6:50 am-11:59 pm

2 stops34h 09m

$1,642

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
1
2

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

27h 15m

Direct flights

None
The fastest flight from Seattle to Cairns takes 27h 15m
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?

    The distance between Seattle/Tacoma Intl and Cairns is about 7157.5 mi. Typically, this will take 27h 15m 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.

An easier way to manage your Cairns trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Mon 5/25
Mon 6/1
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Australia