$556 Cheap Flights from Seattle (SEA) to Mackay (MKY)

View $556 flight on Tue, Nov 18, 2025Opens in a new window

Popular airlines from Seattle-Tacoma International Airport (SEA) to Mackay, QLD (MKY)

Cheap Flights from Seattle to Mackay (SEA-MKY)

Prices were available within the past 7 days and start at $556 for one-way flights and $1,254 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Tue, Nov 18 - Sat, Nov 22
SEA
Seattle
MKY
Mackay
$1,254 Roundtrip, found 20 hours ago
$1,254
Roundtrip
found 20 hours ago
Select Air Canada flight, departing Tue, Nov 18 from Seattle to Mackay, returning Sat, Nov 22, priced at $1,254 found 20 hours ago
Air Canada
Tue, Nov 18 - Sat, Nov 22
SEA
Seattle
MKY
Mackay
$1,272 Roundtrip, found 20 hours ago
$1,272
Roundtrip
found 20 hours ago
Select Air Canada flight, departing Tue, Nov 18 from Seattle to Mackay, returning Sat, Nov 22, priced at $1,272 found 20 hours ago
Air Canada
Tue, Nov 18 - Sat, Nov 22
SEA
Seattle
MKY
Mackay
$1,332 Roundtrip, found 20 hours ago
$1,332
Roundtrip
found 20 hours ago
Select Air Canada flight, departing Tue, Nov 18 from Seattle to Mackay, returning Sat, Nov 22, priced at $1,332 found 20 hours ago
Air Canada
Tue, Nov 18 - Sat, Nov 22
SEA
Seattle
MKY
Mackay
$1,443 Roundtrip, found 20 hours ago
$1,443
Roundtrip
found 20 hours ago
Select Air Canada flight, departing Tue, Nov 18 from Seattle to Mackay, returning Sat, Nov 22, priced at $1,443 found 20 hours ago
Air Canada
Tue, Nov 18 - Sat, Nov 22
SEA
Seattle
MKY
Mackay
$1,463 Roundtrip, found 20 hours ago
$1,463
Roundtrip
found 20 hours ago
Select Air Canada flight, departing Tue, Nov 18 from Seattle to Mackay, returning Sat, Nov 22, priced at $1,463 found 20 hours ago
Air Canada
Tue, Nov 18 - Sat, Nov 22
SEA
Seattle
MKY
Mackay
$1,492 Roundtrip, found 20 hours ago
$1,492
Roundtrip
found 20 hours ago
Select Air Canada flight, departing Tue, Nov 18 from Seattle to Mackay, returning Sat, Nov 22, priced at $1,492 found 20 hours ago
Alaska Airlines
Tue, Nov 18 - Sat, Nov 22
SEA
Seattle
MKY
Mackay
$1,544 Roundtrip, found 20 hours ago
$1,544
Roundtrip
found 20 hours ago
Select Alaska Airlines flight, departing Tue, Nov 18 from Seattle to Mackay, returning Sat, Nov 22, priced at $1,544 found 20 hours ago
Qantas Airways
Tue, Nov 18 - Sat, Nov 22
SEA
Seattle
MKY
Mackay
$1,557 Roundtrip, found 20 hours ago
$1,557
Roundtrip
found 20 hours ago
Select Qantas Airways flight, departing Tue, Nov 18 from Seattle to Mackay, returning Sat, Nov 22, priced at $1,557 found 20 hours ago
EVA Airways
Tue, Nov 18 - Sat, Nov 22
SEA
Seattle
MKY
Mackay
$1,879 Roundtrip, found 20 hours ago
$1,879
Roundtrip
found 20 hours ago
Select EVA Airways flight, departing Tue, Nov 18 from Seattle to Mackay, returning Sat, Nov 22, priced at $1,879 found 20 hours ago
Qatar Airways
Tue, Nov 18 - Sat, Nov 22
SEA
Seattle
MKY
Mackay
$3,026 Roundtrip, found 20 hours ago
$3,026
Roundtrip
found 20 hours ago
Select Qatar Airways flight, departing Tue, Nov 18 from Seattle to Mackay, returning Sat, Nov 22, priced at $3,026 found 20 hours ago

Frequently asked questions

How much does a flight from Seattle - Tacoma Intl. Airport (SEA) to Mackay Airport (MKY) cost?
Grab a cheap one-way flight from $556 or cheap return flight from $1,254 from Seattle - Tacoma Intl. Airport (SEA) to Mackay Airport (MKY) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Seattle - Tacoma Intl. Airport (SEA) to Mackay Airport (MKY)?
Planning your getaway for November is a great way to save, as it's the cheapest month for flights between SEA and MKY. You'll often find the lowest fares during off-peak months.
What is the cheapest airline that flies from Seattle - Tacoma Intl. Airport (SEA) to Mackay Airport (MKY)?
Use the filters on Expedia to compare airlines and find the most affordable carrier that'll fly you from SEA to MKY. Then, sort your results by "Price (lowest to highest)" to score a great deal.
How many flights per day from Seattle - Tacoma Intl. Airport (SEA) to Mackay Airport (MKY)?
You'll have to hop on a flight with a layover if you're traveling from Seattle - Tacoma Intl. Airport (SEA) to Mackay Airport (MKY). Direct flights don't operate daily on this route. However, just filter your search to include one or two stops to discover an option that works for you.
What day of the week has the most flights from SEA to MKY?
You'll generally find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can change from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Seattle - Tacoma Intl. Airport (SEA) to Mackay Airport (MKY)?
Choose a flight from Seattle - Tacoma Intl. Airport (SEA) to Mackay Airport (MKY) that takes off before 3 PM to reduce the risk of cancellations and delays. Departures after this time have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Seattle - Tacoma Intl. Airport (SEA) to Mackay Airport (MKY) last-minute?
Booking your plane ticket from SEA to MKY shortly before your journey is generally more expensive. However, if there's some wiggle room with your itinerary, you could score a cheap last-minute fare.
Is it cheaper to book a SEA to MKY flight and hotel package?
Securing a SEA to MKY flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip in one place. Choose from our impressive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Seattle - Tacoma Intl. Airport (SEA) to Mackay Airport (MKY)?
If you booked your SEA to MKY flight in the last 24 hours, you may be able to modify or cancel it at no cost. Depending on the airline and the type of fare you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Seattle - Tacoma Intl.
Destination airport
Mackay
Roundtrip price
$1,254
Distance
7217 mi

Book with confidence

Seattle to Mackay Flights

The cheapest times to fly from Seattle to Mackay

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Seattle to Mackay are during the month of November. You can find some of the cheapest flights from Seattle to Mackay with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Seattle to Mackay

Sunday is one of the best days to book for cheap flights from Seattle to Mackay: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Seattle to Mackay

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Seattle to Mackay in 2025. You can also book with separate airlines for your outbound and return journeys, from $556 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Seattle to Mackay flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Seattle to Mackay airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Seattle to Mackay Flights

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*Available to One Key members.