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Cheap flights from Cairns to Seattle from $812

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Cairns to Seattle departing on 1/11. 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 Cairns to Seattle

Cheap return flights

Enter your travel dates to find the best prices.
Qantas Airways Logo
15:45 - 19:39CNS  Cairns-SEA Seattle/Tacoma Intl
44h 54m2 stops Brisbane Los Angeles Los Angeles
Qantas Airways Logo
16:59 - 12:55SEA  Seattle/Tacoma Intl-CNS Cairns
26h 56m2 stops Los Angeles Los Angeles Sydney Kingsford Smith
$1,960Qantas Airways
Mon, 7 Sep - Mon, 14 Sep
Multiple Airlines Logo
12:10 - 21:29CNS  Cairns-SEA Seattle/Tacoma Intl
26h 19m2 stops Sydney Kingsford Smith Honolulu
Multiple Airlines Logo
07:20 - 09:15SEA  Seattle/Tacoma Intl-CNS Cairns
32h 55m2 stops Honolulu Sydney Kingsford Smith
$2,017Multiple Airlines
Thu, 10 Sep - Wed, 16 Sep
Multiple Airlines Logo
20:55 - 19:40CNS  Cairns-SEA Seattle/Tacoma Intl
63h 45m2 stops Brisbane Taipei City Taiwan Taoyuan Intl
Multiple Airlines Logo
01:30 - 16:45SEA  Seattle/Tacoma Intl-CNS Cairns
46h 15m2 stops Taipei City Taiwan Taoyuan Intl Brisbane
$2,198Multiple Airlines
Fri, 25 Sep - Thu, 1 Oct
Multiple Airlines Logo
06:50 - 22:59CNS  Cairns-SEA Seattle/Tacoma Intl
33h 09m2 stops Sydney Kingsford Smith Los Angeles Los Angeles
Multiple Airlines Logo
18:10 - 11:40SEA  Seattle/Tacoma Intl-CNS Cairns
24h 30m2 stops Los Angeles Los Angeles Nadi
$2,296Multiple Airlines
Mon, 24 Aug - Thu, 27 Aug
Multiple Airlines Logo
09:25 - 17:51CNS  Cairns-SEA Seattle/Tacoma Intl
49h 26m2 stops Brisbane Los Angeles Los Angeles
Multiple Airlines Logo
13:20 - 04:30SEA  Seattle/Tacoma Intl-CNS Cairns
22h 10m1 stop Tokyo Narita
$2,553Multiple Airlines
Mon, 7 Sep - Mon, 14 Sep
Multiple Airlines Logo
12:40 - 19:39CNS  Cairns-SEA Seattle/Tacoma Intl
23h 59m2 stops Nadi Los Angeles Los Angeles
Multiple Airlines Logo
19:10 - 22:25SEA  Seattle/Tacoma Intl-CNS Cairns
34h 15m2 stops Los Angeles Los Angeles Sydney Kingsford Smith
$2,585Multiple Airlines
Thu, 24 Sep - Thu, 1 Oct
Multiple Airlines Logo
06:00 - 08:08CNS  Cairns-SEA Seattle/Tacoma Intl
43h 08m3 stops Brisbane Hong Kong Intl San Francisco
Multiple Airlines Logo
11:45 - 15:00SEA  Seattle/Tacoma Intl-CNS Cairns
34h 15m2 stops Hong Kong Intl Brisbane
$2,597Multiple Airlines
Thu, 10 Sep - Wed, 16 Sep
Qantas Airways Logo
17:40 - 13:39CNS  Cairns-SEA Seattle/Tacoma Intl
36h 59m3 stops Brisbane Melbourne Los Angeles Los Angeles
Qantas Airways Logo
16:59 - 12:55SEA  Seattle/Tacoma Intl-CNS Cairns
26h 56m2 stops Los Angeles Los Angeles Sydney Kingsford Smith
$2,609Qantas Airways
Mon, 7 Sep - Mon, 14 Sep
Multiple Airlines Logo
12:10 - 19:39CNS  Cairns-SEA Seattle/Tacoma Intl
24h 29m2 stops Sydney Kingsford Smith Los Angeles Los Angeles
Multiple Airlines Logo
13:20 - 04:30SEA  Seattle/Tacoma Intl-CNS Cairns
22h 10m1 stop Tokyo Narita
$2,634Multiple Airlines
Mon, 24 Aug - Thu, 27 Aug
Multiple Airlines Logo
12:40 - 18:36CNS  Cairns-SEA Seattle/Tacoma Intl
22h 56m2 stops Nadi Los Angeles Los Angeles
Multiple Airlines Logo
13:20 - 04:30SEA  Seattle/Tacoma Intl-CNS Cairns
22h 10m1 stop Tokyo Narita
$2,811Multiple Airlines
Thu, 24 Sep - Thu, 1 Oct

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United Airlines flights from Cairns to Seattle

Our best United Airlines deals on Cairns to Seattle flight tickets
United Airlines
8 Sept
CNS06:00Cairns
31h 43m
2 stops
SEA20:43Seattle/Tacoma Intl
21 Sept
SEA10:55Seattle/Tacoma Intl
31h 15m
2 stops
CNS11:10Cairns
$5,713
United Airlines
8 Sept
CNS06:00Cairns
29h 29m
2 stops
SEA18:29Seattle/Tacoma Intl
23 Sept
SEA12:05Seattle/Tacoma Intl
39h 15m
2 stops
CNS20:20Cairns
$5,717
United Airlines
8 Sept
CNS06:00Cairns
22h 21m
2 stops
SEA11:21Seattle/Tacoma Intl
22 Sept
SEA07:11Seattle/Tacoma Intl
39h 44m
2 stops
CNS15:55Cairns
$6,110

Air Canada flights from Cairns to Seattle

Our best Air Canada deals on Cairns to Seattle flight tickets
Air Canada
6 Sept
CNS19:15Cairns
36h 07m
2 stops
SEA14:22Seattle/Tacoma Intl
20 Sept
SEA19:15Seattle/Tacoma Intl
22h 55m
2 stops
CNS11:10Cairns
$6,274
Air Canada
6 Sept
CNS19:15Cairns
40h 17m
2 stops
SEA18:32Seattle/Tacoma Intl
23 Sept
SEA19:15Seattle/Tacoma Intl
27h 40m
2 stops
CNS15:55Cairns
$6,652
Air Canada
6 Sept
CNS19:15Cairns
31h 50m
2 stops
SEA10:05Seattle/Tacoma Intl
21 Sept
SEA19:15Seattle/Tacoma Intl
22h 55m
2 stops
CNS11:10Cairns
$6,655

momondo Fare Finder

 
Customise your flight search to find flights from Cairns to Seattle 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 13 August 2026.
Use the filters below to find and compare flights from Cairns to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

CairnsSeattle

CNS Cairns - SEA Seattle/Tacoma Intl

CNSSEA

Cairns

Mon 7/9

15:45-19:39

2 stops44h 54m

Seattle/Tacoma Intl

Mon 14/9

16:59-12:55

2 stops26h 56m

$1,960

CairnsSeattle

CNS Cairns - SEA Seattle/Tacoma Intl

CNSSEA

Cairns

Thu 10/9

12:10-21:29

2 stops26h 19m

Seattle/Tacoma Intl

Wed 16/9

07:20-09:15

2 stops32h 55m

$2,017

CairnsSeattle

CNS Cairns - SEA Seattle/Tacoma Intl

CNSSEA

Cairns

Fri 25/9

20:55-19:40

2 stops63h 45m

Seattle/Tacoma Intl

Thu 1/10

01:30-16:45

2 stops46h 15m

$2,198

CairnsSeattle

CNS Cairns - SEA Seattle/Tacoma Intl

CNSSEA

Cairns

Mon 24/8

06:50-22:59

2 stops33h 09m

Seattle/Tacoma Intl

Thu 27/8

18:10-11:40

2 stops24h 30m

$2,296

CairnsSeattle

CNS Cairns - SEA Seattle/Tacoma Intl

CNSSEA

Cairns

Mon 7/9

09:25-17:51

2 stops49h 26m

Seattle/Tacoma Intl

Mon 14/9

13:20-04:30

1 stop22h 10m

$2,553

CairnsSeattle

CNS Cairns - SEA Seattle/Tacoma Intl

CNSSEA

Cairns

Thu 24/9

12:40-19:39

2 stops23h 59m

Seattle/Tacoma Intl

Thu 1/10

19:10-22:25

2 stops34h 15m

$2,585

CairnsSeattle

CNS Cairns - SEA Seattle/Tacoma Intl

CNSSEA

Cairns

Thu 10/9

06:00-08:08

3 stops43h 08m

Seattle/Tacoma Intl

Wed 16/9

11:45-15:00

2 stops34h 15m

$2,597

CairnsSeattle

CNS Cairns - SEA Seattle/Tacoma Intl

CNSSEA

Cairns

Mon 7/9

17:40-13:39

3 stops36h 59m

Seattle/Tacoma Intl

Mon 14/9

16:59-12:55

2 stops26h 56m

$2,609

CairnsSeattle

CNS Cairns - SEA Seattle/Tacoma Intl

CNSSEA

Cairns

Mon 24/8

12:10-19:39

2 stops24h 29m

Seattle/Tacoma Intl

Thu 27/8

13:20-04:30

1 stop22h 10m

$2,634
Fastest return journey

CairnsSeattle

CNS Cairns - SEA Seattle/Tacoma Intl

CNSSEA

Cairns

Thu 24/9

12:40-18:36

2 stops22h 56m

Seattle/Tacoma Intl

Thu 1/10

13:20-04:30

1 stop22h 10m

$2,811

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 Seattle from

How to get the cheapest flight ticket from Cairns to Seattle

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 Cairns to Seattle/Tacoma Intl?

Qantas Airways and Singapore Airlines are the most popular carriers operating from Cairns to Seattle/Tacoma Intl

When to book flights from Cairns to Seattle

Are you open to changing your travel dates? Check out the ideal times to fly from Cairns to Seattle according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Cairns to Seattle (CNS to SEA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Cairns to Seattle

Fastest flight time

26h 19m

Direct flights

None
The fastest flight from Cairns to Seattle takes 26h 19m
There are no direct flights from Cairns to Seattle. There are no popular flight routes from Cairns to Seattle.
Search flight deals

Frequently asked questions about flying from Cairns to Seattle

  • How far is Cairns to Seattle/Tacoma Intl by plane?

    Cairns and Seattle/Tacoma Intl are 11518.9 km apart from one another. Typically, this will take 26h 19m by plane in normal conditions.

  • When did momondo last update prices for flights from Cairns Airport to Seattle/Tacoma Intl Airport?

    Prices for flights from Cairns Airport to Seattle/Tacoma Intl Airport were last updated today.

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Cairns Airport to Seattle/Tacoma Intl Airport.

  • What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

    The travel and health documents required for your trip to Seattle/Tacoma Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Seattle/Tacoma Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Travelling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Leavenworth
SeaTac

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Seattle from Cairns.

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

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

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

Once you have performed a search for Cairns to Seattle flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are not ready to book a flight from Cairns to Seattle now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Seattle and let you know when they change.

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