$506 Cheap Flights from Melbourne (MEL) to Seattle (SEA)

View $506 flight on Sat, Jan 31, 2026Opens in a new window

Popular airlines from Melbourne Airport (MEL) to Seattle-Tacoma International Airport (SEA)

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Cheap Flights from Melbourne to Seattle (MEL-SEA)

Prices were available within the past 7 days and start at $506 for one-way flights and $797 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sat, Feb 7 - Sat, Feb 21
MEL
Melbourne
SEA
Seattle
$797 Roundtrip, found 9 hours ago
$797
Roundtrip
found 9 hours ago
Select American Airlines flight, departing Sat, Feb 7 from Melbourne to Seattle, returning Sat, Feb 21, priced at $797 found 9 hours ago
Qantas Airways
Fri, Feb 13 - Wed, Feb 25
MEL
Melbourne
SEA
Seattle
$799 Roundtrip, found 5 days ago
$799
Roundtrip
found 5 days ago
Select Qantas Airways flight, departing Fri, Feb 13 from Melbourne to Seattle, returning Wed, Feb 25, priced at $799 found 5 days ago
American Airlines
Sat, Feb 7 - Sat, Feb 21
MEL
Melbourne
SEA
Seattle
$801 Roundtrip, found 9 hours ago
$801
Roundtrip
found 9 hours ago
Select American Airlines flight, departing Sat, Feb 7 from Melbourne to Seattle, returning Sat, Feb 21, priced at $801 found 9 hours ago
American Airlines
Wed, Mar 18 - Wed, Apr 1
MEL
Melbourne
SEA
Seattle
$804 Roundtrip, found 2 days ago
$804
Roundtrip
found 2 days ago
Select American Airlines flight, departing Wed, Mar 18 from Melbourne to Seattle, returning Wed, Apr 1, priced at $804 found 2 days ago
United
Thu, Dec 18 - Mon, Dec 29
MEL
Melbourne
SEA
Seattle
$808 Roundtrip, found 6 hours ago
$808
Roundtrip
found 6 hours ago
Select United flight, departing Thu, Dec 18 from Melbourne to Seattle, returning Mon, Dec 29, priced at $808 found 6 hours ago
Delta
Wed, Mar 18 - Wed, Apr 1
MEL
Melbourne
SEA
Seattle
$818 Roundtrip, found 2 days ago
$818
Roundtrip
found 2 days ago
Select Delta flight, departing Wed, Mar 18 from Melbourne to Seattle, returning Wed, Apr 1, priced at $818 found 2 days ago
Air Canada
Mon, Mar 23 - Mon, Mar 30
MEL
Melbourne
SEA
Seattle
$849 Roundtrip, found 1 day ago
$849
Roundtrip
found 1 day ago
Select Air Canada flight, departing Mon, Mar 23 from Melbourne to Seattle, returning Mon, Mar 30, priced at $849 found 1 day ago
Philippine Airlines
Wed, Mar 18 - Wed, Apr 1
MEL
Melbourne
SEA
Seattle
$1,015 Roundtrip, found 2 days ago
$1,015
Roundtrip
found 2 days ago
Select Philippine Airlines flight, departing Wed, Mar 18 from Melbourne to Seattle, returning Wed, Apr 1, priced at $1,015 found 2 days ago
Fiji Airways
Sun, Feb 15 - Wed, May 20
MEL
Melbourne
SEA
Seattle
$1,136 Roundtrip, found 1 day ago
$1,136
Roundtrip
found 1 day ago
Select Fiji Airways flight, departing Sun, Feb 15 from Melbourne to Seattle, returning Wed, May 20, priced at $1,136 found 1 day ago
Alaska Airlines
Tue, Sep 1 - Wed, Sep 23
MEL
Melbourne
SEA
Seattle
$1,137 Roundtrip, found 6 days ago
$1,137
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Tue, Sep 1 from Melbourne to Seattle, returning Wed, Sep 23, priced at $1,137 found 6 days ago

Find the cheapest month to fly from Melbourne (MEL) to Seattle (SEA)

October is typically the cheapest month to fly

From $791 - $1,648 per traveler.

Frequently asked questions

How much does a flight from Tullamarine Airport (MEL) to Seattle - Tacoma Intl. Airport (SEA) cost?
Lock in a cheap one-way flight from $506 or cheap return flight from $797 from Tullamarine Airport (MEL) to Seattle - Tacoma Intl. Airport (SEA) 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 Tullamarine Airport (MEL) to Seattle - Tacoma Intl. Airport (SEA)?
February is the least expensive month to fly from MEL to SEA. Timing your trip outside of the busy season is often the key to finding better fares.
What is the cheapest airline that flies from Tullamarine Airport (MEL) to Seattle - Tacoma Intl. Airport (SEA)?
Expedia's filter tool lets you easily compare different airlines, flight durations and fares all in one place. Customize the search to your preferences, then sort by "Price (lowest to highest)" to find the carrier with the cheapest MEL to SEA flight.
How many flights per day from Tullamarine Airport (MEL) to Seattle - Tacoma Intl. Airport (SEA)?
Nonstop flights from Tullamarine Airport (MEL) to Seattle - Tacoma Intl. Airport (SEA) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filters. Enter your dates and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from MEL to SEA?
Generally you'll find the greatest selection of flight options on a Friday. Tuesdays tend to be the quietest.* But this can vary based on the time of year, airline 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 Tullamarine Airport (MEL) to Seattle - Tacoma Intl. Airport (SEA)?
Choose a flight from Tullamarine Airport (MEL) to Seattle - Tacoma Intl. Airport (SEA) that leaves before 3 PM to reduce the likelihood of delays. Departures later than this 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 Tullamarine Airport (MEL) to Seattle - Tacoma Intl. Airport (SEA) last-minute?
Waiting until just before your trip to book a ticket from MEL to SEA generally means paying more. While it's possible to find some last-minute offers, they aren't always guaranteed. Be flexible with your travel plans for a better chance of landing a bargain.
Is it cheaper to book a MEL to SEA flight and hotel package?
You can save money by securing a MEL to SEA flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's easy to manage it all in one place. After choosing your ideal flights and accommodations, consider adding extras including tours, activities and car rentals.
Can I cancel or change the date of my flight from Tullamarine Airport (MEL) to Seattle - Tacoma Intl. Airport (SEA)?
In most cases, you can reschedule or cancel your MEL to SEA flight. However, additional charges may apply, especially if you booked more than 24 hours ago. Double-check your itinerary for the airline's rules and fees on flight changes, or if you'd like further details, head to our Customer Service portal.

Travel information

Origin airport
Tullamarine
Destination airport
Seattle - Tacoma Intl.
Airlines serving
Air Canada, Air New Zealand, Air Tahiti Nui, American Airlines, Cathay Pacific, China Airlines, Delta, Emirates, Fiji Airways, Japan Airlines, Philippine Airlines, Qantas Airways, Qatar Airways, Singapore Airlines, United
Roundtrip price
$796
Distance
8185 mi

Book with confidence

Melbourne to Seattle Flights

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

 

The best time to book a flight from Melbourne to Seattle

Sunday is one of the best days to book for cheap flights from Melbourne 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 Melbourne 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 Melbourne to Seattle in 2025. You can also book with separate airlines for your outbound and return journeys, from $506 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 Melbourne 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 Melbourne 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.

 

Melbourne to Seattle Flights

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*Available to One Key members.