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Cheap flights from Seattle to Melbourne Airport

SEA — MEL
17 Oct — 24 Oct1
1 adult
1 adult, Economy

Cheap flight deals from Seattle to Melbourne

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Melbourne (MEL). 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 17 September 2025.

Popular in

December

Cheapest in

February

Average price

C$ 1,717
Highest demand for flights based on searches. 12% potential increase in price (C$ 382 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease (C$ 101 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Best time to book a flight from Seattle to Melbourne

Have a flexible travel schedule? Discover the best time to fly to Melbourne from Seattle 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 Seattle to Melbourne Airport

How far ahead should I book a flight from Seattle to Melbourne Airport?

Use this chart to determine the optimal time to book a round-trip flight from Seattle to Melbourne. Price data was last updated on 12 September 2025.

The price you pay for your flight from Seattle to Melbourne Airport may vary depending on when you book. For the best chance of a lower fare, look to book 67 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Seattle to Melbourne Airport?

Currently, April is the cheapest month in which you can book a flight from Seattle to Melbourne Airport (average of C$ 1,283). Flying from Seattle to Melbourne Airport in December is currently the most expensive (average of C$ 1,770). 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.

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

Find hourly flight availability from Seattle to Melbourne. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 17 September 2025.

It’s typically best to fly out from Seattle to Melbourne Airport at noon. Doing so could potentially save you 1% on the flight price compared to flying in the morning, which is usually more expensive.

Reviews of airlines servicing Melbourne

Get insights into the airlines that provide service to Melbourne. 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 Melbourne. Reviews last updated 17 September 2025.
See what other customers who have flown with United Airlines and Air Canada from Seattle to Melbourne Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,926 reviews
Check prices

Comfort

7.3

Boarding

7.7

Food

6.6

Crew

8.1

Entertainment

7.1

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Julia,Sep 2025

BUF - DEN

The staff were amazing, from check in to boarding and on the flight. The range of entertainment options were really good as well.
United Airlines
7.4
Good
8,926 reviews
United Airlines
7.4
Good
8,926 reviews
Check prices

Comfort

7.3

Boarding

7.7

Food

6.6

Crew

8.1

Entertainment

7.1

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Julia,Sep 2025

BUF - DEN

The staff were amazing, from check in to boarding and on the flight. The range of entertainment options were really good as well.
Air Canada
7.1
Good
10,000 reviews
United Airlines
7.4
Good
8,926 reviews
Check prices

Comfort

7.3

Boarding

7.7

Food

6.6

Crew

8.1

Entertainment

7.1

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Julia,Sep 2025

BUF - DEN

The staff were amazing, from check in to boarding and on the flight. The range of entertainment options were really good as well.

Related info for your journey

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

  • What airport do you fly from for flights from Seattle to Melbourne?

    Most people fly from Seattle/Tacoma Intl (SEA) if they book a flight from Seattle to Melbourne. On average, Seattle/Tacoma Intl has 0 outbound flights to Melbourne per day from 2 airlines. Seattle/Tacoma Intl is conveniently located just 18.4 km from Seattle’s city centre.

  • What are the cheapest airlines flying from Seattle to Melbourne Airport round-trip?

    According to our current data, Air Canada (C$ 1,083), and United Airlines (C$ 1,153) offers the cheapest pricing from Seattle to Melbourne Airport. Air Canada is priced at 43% lower than the current average price of a flight leaving 3 months from now.

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

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

  • How can I find direct flights from Seattle to Melbourne?

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

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

    Yes. Cheapflights offers flight deals from Seattle to Melbourne 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 Seattle to Melbourne Airport?

    Currently, April is the cheapest month in which you can book a flight from Seattle to Melbourne Airport (average of C$ 1,283). Flying from Seattle to Melbourne Airport in December is currently the most expensive (average of C$ 1,770). 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

Travelling to a place near Melbourne Airport?

Book flights to Melbourne Airport if you plan to visit one of these locations
Torquay
Tullamarine

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Top 2 airlines flying from Seattle to Melbourne

Discover the top 2 airlines that operate flights from Seattle to Melbourne. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 17 September 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 1,083AverageC$ 1,184FlexibilityNo cancel feeOn-time67%
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United AirlinesCheapestC$ 1,153AverageC$ 1,733FlexibilityNo cancel feeOn-time69%
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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Seattle to Melbourne?

When you search for this flight from Seattle to Melbourne, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Seattle to Melbourne?

Cheapflights simply makes it quick and affordable to book flights from Seattle to Melbourne by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Seattle to Melbourne with no change fees?

Need flexible booking options for your flight to Melbourne from Seattle? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Seattle to Melbourne become cheaper?

Yes! Start tracking prices for Seattle to Melbourne flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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