In terms of precipitation, rainfall in Seattle ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit Seattle when rainfall is around 0.7 in.

If weather is an important factor for your trip to Seattle, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

What is the cheapest time of day to fly from CNS to SEA?

When flying from Cairns to Seattle, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Can I find deals for flights from Cairns to Seattle that include hotel bookings?

Yes. In addition to deals on Cairns to Seattle flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Cairns to Seattle?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Cairns to Seattle.

Can I find deals for business class flights from Cairns to Seattle?

Yes. Cheapflights offers flight deals from Cairns to Seattle by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$653+ Cheap Flights from Cairns to Seattle

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Cheap flight deals from Cairns to Seattle

One-way

One-way flights from Cairns to Seattle
Search for one-way flight options from Cairns to Seattle. Find affordable one-way fares based on user searches. Data last updated September 7, 2026.

Sat 10/243:35 pm -

3 stops57h 45m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/4

$653

Fri 2/267:15 pm -

3 stops37h 50m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/6

$1,392

Fri 2/266:20 pm -

1 stop30h 45m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/6

$1,631

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

CairnsSeattle

CNS Cairns - SEA Seattle/Tacoma Intl

CNSSEA

Cairns

Sat 10/24

3:35 pm-8:20 am

3 stops57h 45m

Seattle/Tacoma Intl

Wed 12/31

12:00 am-6:00 pm

Nonstop0h 00m

$653

CairnsSeattle

CNS Cairns - SEA Seattle/Tacoma Intl

CNSSEA

Cairns

Fri 2/26

7:15 pm-3:05 pm

3 stops37h 50m

Seattle/Tacoma Intl

Wed 12/31

12:00 am-6:00 pm

Nonstop0h 00m

$1,392

Quickest round-trip

CairnsSeattle

CNS Cairns - SEA Seattle/Tacoma Intl

CNSSEA

Cairns

Fri 2/26

6:20 pm-7:05 am

1 stop30h 45m

Seattle/Tacoma Intl

Wed 12/31

12:00 am-6:00 pm

Nonstop0h 00m

$1,631

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/4

Sorted by cheapest first

Best time to book a flight from Cairns to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Cairns with our price prediction graph.

CNS-SEA

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

Can I find deals for flights from Cairns to Seattle that include hotel bookings?
Yes. In addition to deals on Cairns to Seattle flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Cairns to Seattle?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Cairns to Seattle.
Can I find deals for business class flights from Cairns to Seattle?
Yes. Cheapflights offers flight deals from Cairns to Seattle by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/24. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Cairns to Seattle with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Cairns to Seattle

One-way flights from Cairns to Seattle
Search for one-way flight options from Cairns to Seattle. Find affordable one-way fares based on user searches. Data last updated September 7, 2026.

Search for one-way flight options from Cairns to Seattle. Find affordable one-way fares based on user searches. Data last updated September 7, 2026.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Cairns to Seattle that are best for you.

Best time to book a flight from Cairns to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Cairns with our price prediction graph.

Related info for your journey

Can I find deals for flights from Cairns to Seattle that include hotel bookings?

How can I find direct flights from Cairns to Seattle?

Can I find deals for business class flights from Cairns to Seattle?

Traveling to a place near Seattle?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Cairns to Seattle

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Seattle by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from Cairns to Seattle by cabin class

Find flights from Cairns to Seattle, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Cairns and Seattle flights

Browse other Cairns and Seattle flight options. Last updated on September 7, 2026.

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$653+ Cheap flights from Cairns (CNS) to Seattle (SEA)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/24. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Cairns to Seattle with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Cairns to Seattle

One-way flights from Cairns to SeattleSearch for one-way flight options from Cairns to Seattle. Find affordable one-way fares based on user searches. Data last updated September 7, 2026.

Search for one-way flight options from Cairns to Seattle. Find affordable one-way fares based on user searches. Data last updated September 7, 2026.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Cairns to Seattle that are best for you.

Best time to book a flight from Cairns to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Cairns with our price prediction graph.

Related info for your journey

Can I find deals for flights from Cairns to Seattle that include hotel bookings?

How can I find direct flights from Cairns to Seattle?

Can I find deals for business class flights from Cairns to Seattle?

Traveling to a place near Seattle?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Cairns to Seattle

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Seattle by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from Cairns to Seattle by cabin class

Find flights from Cairns to Seattle, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Cairns and Seattle flights

Browse other Cairns and Seattle flight options. Last updated on September 7, 2026.

Popular flight searches

Check out other popular destinations found by fellow travelers in 2026

Other flights to Seattle

Explore flights to Seattle departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 7, 2026.

100% Free

Book with Flexibility

Travel Smart

One-way flights from Cairns to Seattle
Search for one-way flight options from Cairns to Seattle. Find affordable one-way fares based on user searches. Data last updated September 7, 2026.