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$534+ Cheap flights from Cairns (CNS) to Seattle (SEA)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/15. Fares are subject to change and may not be available on all flights or dates of travel.
CNS — SEA
May 17 — May 241
Sat 5/17
Sat 5/24
1 adult, Economy
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Cheap flight deals from Cairns to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Cairns (CNS) to Seattle (SEA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated May 12, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
2 stars
Provider with most accurate pricing for Cairns-Seattle/Tacoma Intl flight deals.
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Provider most trusted by Cheapflights users for Cairns-Seattle/Tacoma Intl flights.
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Find 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 May 12, 2025.

This Mytrip deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/157:00 pmCNS - SEA
2 stops31h 18mMultiple Airlines
Deal found 5/12$534
This United Airlines deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/176:00 amCNS - SEA
2 stops32h 11mUnited Airlines
Deal found 5/12$599
This Ovago deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/171:40 pmCNS - SEA
2 stops47h 28mQantas Airways
Deal found 5/11$743
This FlightHub deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/176:15 pmCNS - SEA
1 stop31h 30mSingapore Airlines
Deal found 5/12$874

Cheapflights Fare Finder

Customize 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, Cheapflights users made 2,558,603 searches. Data last updated May 12, 2025.
Use the filters below to find and compare flights from Cairns to Seattle that are best for you.

Fly from

Cairns

Fly to

Seattle

Route

Depart

Return

Price

CairnsSeattle

CNS - SEA

CNSSEA

Cairns

Sun 6/15

7:00 pm-9:18 am

2 stops31h 18m

$534

CairnsSeattle

CNS - SEA

CNSSEA

Cairns

Tue 6/17

6:00 am-9:11 pm

2 stops32h 11m

$599

CairnsSeattle

CNS - SEA

CNSSEA

Cairns

Wed 9/17

1:40 pm-8:08 pm

2 stops47h 28m

$743

CairnsSeattle

CNS - SEA

CNSSEA

Cairns

Wed 9/17

6:15 pm-8:45 am

1 stop31h 30m

$874

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/12

  • Most accurate provider: When it comes to deals on Cairns-Seattle flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Cairns-Seattle flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Cairns-Seattle flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Cairns-Seattle flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Cairns-Seattle flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.
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.

Cheapflights Insights

Everything you need to know about your flight from Cairns to Seattle

Rainfall in Seattle by month

Plan your trip to Seattle by taking into account the average rainfall totals by month.

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.

Temperature in Seattle by month

Plan your trip to Seattle by taking into account the average temperature totals by month.

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).

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Seattle. Reviews last updated May 12, 2025.
Singapore Airlines
8.1
Very good
1,294 reviews

Boarding

8.2

Overall

8.1

Crew

8.6

Comfort

7.9

Entertainment

8.0

Food

7.7

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.
Singapore Airlines
8.1
Very good
1,294 reviews
Singapore Airlines
8.1
Very good
1,294 reviews

Boarding

8.2

Overall

8.1

Crew

8.6

Comfort

7.9

Entertainment

8.0

Food

7.7

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.
Qantas Airways
7.5
Good
837 reviews
Singapore Airlines
8.1
Very good
1,294 reviews

Boarding

8.2

Overall

8.1

Crew

8.6

Comfort

7.9

Entertainment

8.0

Food

7.7

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.
United Airlines
7.4
Good
8,724 reviews
Singapore Airlines
8.1
Very good
1,294 reviews

Boarding

8.2

Overall

8.1

Crew

8.6

Comfort

7.9

Entertainment

8.0

Food

7.7

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.

Related info for your journey

Find useful and relevant information for your journey from Cairns to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines to fly from Cairns to Seattle one-way?

    For one-way options, check prices for United Airlines. According to our data, you can fly for as low as $599. Users have also found prices from $743 and $874 on Qantas Airways and Singapore Airlines, respectively.

  • 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.

  • What is the cheapest month to book a flight from Cairns to Seattle?

    Currently, January is the cheapest month in which you can book a flight from Cairns to Seattle (average of $238). Flying from Cairns to Seattle in July is currently the most expensive (average of $403). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Cairns?

Book flights to Cairns if you plan to visit one of these locations
SeaTac
Tukwila
Tacoma
Lakewood
Renton
Ocean Shores
Lacey
Leavenworth
Federal Way
Lynnwood
Olympia
Shoreline
Cle Elum
Kent
Centralia
Kirkland
Aberdeen
Shelton
Silverdale
Redmond

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