How do I get Price Alerts for flights from Cairns to Seattle?

Price Alerts will notify you by email when the price for flights to Seattle from Cairns decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.

How can I save money on flights from Cairns to Seattle with momondo?

Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.

How does momondo find its flight prices?

We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

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.

$1,851 Cheap Flights from Cairns to Seattle in 2025/26

1 adult

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Find the cheapest flights from Cairns to Seattle

Round-trip

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

09:20 - 20:42

CNS

SEA

28h 22m2 stops

14:53 - 23:05

SEA

CNS

39h 12m2 stops

$1,851Qantas Airways

Thu, 19 Mar - Mon, 23 Mar

06:00 - 20:42

CNS

SEA

31h 42m2 stops

14:53 - 23:05

SEA

CNS

39h 12m2 stops

$1,856Qantas Airways

Thu, 19 Mar - Mon, 23 Mar

06:00 - 19:16

CNS

SEA

30h 16m2 stops

20:00 - 14:55

SEA

CNS

25h 55m2 stops

$2,035Air Canada

Thu, 19 Mar - Mon, 23 Mar

06:00 - 19:16

CNS

SEA

30h 16m2 stops

08:10 - 14:55

SEA

CNS

37h 45m3 stops

$2,241Air Canada

Thu, 19 Mar - Mon, 23 Mar

06:00 - 15:01

CNS

SEA

26h 01m2 stops

08:10 - 14:55

SEA

CNS

37h 45m3 stops

$2,247Air Canada

Thu, 19 Mar - Mon, 23 Mar

United Airlines flights from Cairns to Seattle

Our best United Airlines deals on Cairns to Seattle flight tickets

United Airlines

1 Jan

CNS06:00Cairns

44h 23m

2 stops

SEA08:23Seattle/Tacoma Intl

4 Jan

SEA19:12Seattle/Tacoma Intl

24h 48m

2 stops

CNS14:00Cairns

$16,389

Find similar

United Airlines

1 Jan

CNS06:00Cairns

33h 07m

2 stops

SEA21:07Seattle/Tacoma Intl

3 Jan

SEA13:35Seattle/Tacoma Intl

30h 25m

2 stops

CNS14:00Cairns

$16,890

Find similar

Air Canada flights from Cairns to Seattle

Our best Air Canada deals on Cairns to Seattle flight tickets

Air Canada

19 Mar

CNS06:00Cairns

30h 16m

2 stops

SEA19:16Seattle/Tacoma Intl

23 Mar

SEA20:00Seattle/Tacoma Intl

25h 55m

2 stops

CNS14:55Cairns

$2,035

Find similar

Air Canada

19 Mar

CNS06:00Cairns

30h 16m

2 stops

SEA19:16Seattle/Tacoma Intl

23 Mar

SEA08:10Seattle/Tacoma Intl

37h 45m

3 stops

CNS14:55Cairns

$2,241

Find similar

Air Canada

19 Mar

CNS06:00Cairns

26h 01m

2 stops

SEA15:01Seattle/Tacoma Intl

23 Mar

SEA08:10Seattle/Tacoma Intl

37h 45m

3 stops

CNS14:55Cairns

$2,247

Find similar

Fly from

Fly to

Route

Depart

Return

Price

CairnsSeattle

CNS - SEA

CNSSEA

Cairns

Thu 19/3

09:20-20:42

2 stops28h 22m

Seattle/Tacoma Intl

Mon 23/3

14:53-23:05

2 stops39h 12m

$1,851

CairnsSeattle

CNS - SEA

CNSSEA

Cairns

Thu 19/3

06:00-20:42

2 stops31h 42m

Seattle/Tacoma Intl

Mon 23/3

14:53-23:05

2 stops39h 12m

$1,856

CairnsSeattle

CNS - SEA

CNSSEA

Cairns

Thu 19/3

06:00-19:16

2 stops30h 16m

Seattle/Tacoma Intl

Mon 23/3

20:00-14:55

2 stops25h 55m

$2,035

CairnsSeattle

CNS - SEA

CNSSEA

Cairns

Thu 19/3

06:00-19:16

2 stops30h 16m

Seattle/Tacoma Intl

Mon 23/3

08:10-14:55

3 stops37h 45m

$2,241

CairnsSeattle

CNS - SEA

CNSSEA

Cairns

Thu 19/3

06:00-15:01

2 stops26h 01m

Seattle/Tacoma Intl

Mon 23/3

08:10-14:55

3 stops37h 45m

$2,247

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

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	28h 22m
Direct flights	None

The fastest flight from Cairns to Seattle takes 28h 22m

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

Search flight deals

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 28h 22m 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.

How do I get Price Alerts for flights from Cairns to Seattle?
Price Alerts will notify you by email when the price for flights to Seattle from Cairns decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.
How can I save money on flights from Cairns to Seattle with momondo?
Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.
How does momondo find its flight prices?
We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

SeaTac

Leavenworth

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.