$699 Cheap Flights from Mackay (MKY) to Seattle (SEA)

View $699 flight on Sat, Nov 22, 2025Opens in a new window

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

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Cheap Flights from Mackay to Seattle (MKY-SEA)

Prices were available within the past 7 days and start at $699 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frequently asked questions

How much does a flight from Mackay Airport (MKY) to Seattle - Tacoma Intl. Airport (SEA) cost?
Snag a cheap one-way flight from $699 or cheap return flight from Mackay Airport (MKY) to Seattle - Tacoma Intl. Airport (SEA) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Mackay Airport (MKY) to Seattle - Tacoma Intl. Airport (SEA)?
is the most affordable month to fly from MKY to SEA. Avoiding peak travel times is often the key to finding better fares.
What is the cheapest airline that flies from Mackay Airport (MKY) to Seattle - Tacoma Intl. Airport (SEA)?
To find the cheapest airline that'll fly you from MKY to SEA, use Expedia's filter tool. Tailor your search based on what's important to you, such as preferred carriers and number of stops. You can then sort your results by "Price (lowest to highest)" to see the cheapest flights first.
How many flights per day from Mackay Airport (MKY) to Seattle - Tacoma Intl. Airport (SEA)?
You'll need to hop on a flight with a layover if you're traveling from Mackay Airport (MKY) to Seattle - Tacoma Intl. Airport (SEA). There are no daily direct flights on this route. However, just filter your search to include one or more stops to discover the best option for your trip.
What day of the week has the most flights from MKY to SEA?
Generally you'll find the largest variety of flight choices on a Friday. Tuesdays are often the quietest.* However, this can change based on the airline, season and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Mackay Airport (MKY) to Seattle - Tacoma Intl. Airport (SEA)?
To avoid potential delays on the Mackay Airport (MKY) to Seattle - Tacoma Intl. Airport (SEA) route, aim to fly before 3 PM. Departures after this time have a 22% higher chance of being canceled.**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 Mackay Airport (MKY) to Seattle - Tacoma Intl. Airport (SEA) last-minute?
Booking your ticket from MKY to SEA shortly before your journey is generally more expensive. But if you're flexible with your schedule, you could snag a cheap last-minute fare.
Is it cheaper to book a MKY to SEA flight and hotel package?
Securing a MKY to SEA flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of hotels and then add flights, activities and car rentals to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Mackay Airport (MKY) to Seattle - Tacoma Intl. Airport (SEA)?
If you booked your MKY to SEA flight in the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the type of ticket 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, visit our Customer Service portal if you want more information.

Travel information

Origin airport
Mackay
Destination airport
Seattle - Tacoma Intl.
Distance
7217 mi

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Mackay to Seattle Flights

The cheapest times to fly from Mackay to Seattle

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 Mackay to Seattle are during the month of . You can find some of the cheapest flights from Mackay to Seattle with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Mackay to Seattle

Sunday is one of the best days to book for cheap flights from Mackay to Seattle: 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 Mackay to Seattle

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 Mackay to Seattle in 2025. You can also book with separate airlines for your outbound and return journeys, from $699 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 Mackay to Seattle 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 Mackay to Seattle 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.

 

Mackay to Seattle Flights

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*Available to One Key members.