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Cheap flights from Cairns to Seattle from $1,519

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 30/12. 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.
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CNS
-
SEA
18534 kmmulti-stop
Multiple Airlines Logo
SEA
-
CNS
18534 kmmulti-stop
Multiple Airlines

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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 7 July 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 one-way

CairnsSeattle

CNS - SEA

CNSSEA

Cairns

Wed 30/12

07:00-11:37

3 stops46h 37m

$1,519
Fastest single journey

CairnsSeattle

CNS - SEA

CNSSEA

Cairns

Wed 30/12

19:15-18:10

2 stops40h 55m

$1,875

CairnsSeattle

CNS - SEA

CNSSEA

Cairns

Wed 30/12

18:20-07:10

1 stop54h 50m

$2,504

CairnsSeattle

CNS - SEA

CNSSEA

Cairns

Wed 30/12

17:40-18:43

4 stops43h 03m

$3,765

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

37h 05m

Direct flights

None
The fastest flight from Cairns to Seattle takes 37h 05m
There are no direct flights from Cairns to Seattle. There are no popular flight routes from Cairns to Seattle.
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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 37h 05m 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.

Frequently asked questions about flying from Cairns to Seattle

  • 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.

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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