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Cheap flights from Seattle to Melbourne

SEA — MEL
12 Oct — 19 Oct1
1 adult
1 adult, Economy, 0 bags

Find flight deals from Seattle to Melbourne

Popular in

September

Cheapest in

March

Average price

C$ 2,429
Highest demand for flights based on searches. 7% potential increase in price (C$ 202 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease (C$ 87 potential savings vs. average RT price).
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Average for round-trip flights in September 2026
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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

Cheapflights Insights

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

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

To ensure you get the cheapest price possible for a flight from Seattle to Melbourne, you should look to book at least 62 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, March is the cheapest month in which you can book a flight from Seattle to Melbourne (average of C$ 1,464). Flying from Seattle to Melbourne in September is currently the most expensive (average of C$ 2,466). 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.

Reviews of airlines servicing Melbourne

Read through reviews of airlines operating flights from Seattle to Melbourne, such as United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
10,207 reviews
Check prices

Comfort

7.3

Entertainment

7.1

Overall

7.4

Boarding

7.7

Crew

8.1

Food

6.7

Reviews

1 / 20
4.0
Okay

Chris,Aug 2026

MIA - ORD

Had to go through TSA again, already purchased bottle drink. TSA would not let through, United changed gates last minute. This experience bad for everyone. Staff rude, not our fault. Staff from Chicago to Wichita excellent!
United Airlines
7.4
Good
10,207 reviews
United Airlines
7.4
Good
10,207 reviews
Check prices

Comfort

7.3

Entertainment

7.1

Overall

7.4

Boarding

7.7

Crew

8.1

Food

6.7

Reviews

1 / 20
4.0
Okay

Chris,Aug 2026

MIA - ORD

Had to go through TSA again, already purchased bottle drink. TSA would not let through, United changed gates last minute. This experience bad for everyone. Staff rude, not our fault. Staff from Chicago to Wichita excellent!

Related info for your journey

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

    Seattle/Tacoma Intl (SEA), located 18.4 km from the city centre, is the airport you fly out of when you book flights from Seattle to Melbourne. 1 airline have flights from Seattle/Tacoma Intl to Melbourne on a regular basis. Booking flights from Seattle/Tacoma Intl to Melbourne should not be difficult; the airport handles an average of 0 outbound flights to Melbourne per day.

  • What is the cheapest airline to fly from Seattle to Melbourne round-trip?

    United Airlines, at C$ 1,372, was found to be the cheapest airline from Seattle to Melbourne.. United Airlines is priced at 21% 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?

    Currently, March is the cheapest month in which you can book a flight from Seattle to Melbourne (average of C$ 1,464). Flying from Seattle to Melbourne in September is currently the most expensive (average of C$ 2,466). 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

Browse thousands of different options on Cheapflights for your next trip

Top airline flying from Seattle to Melbourne

AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 1,372AverageC$ 1,463FlexibilityNo cancel feeOn-time69%
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Why should you use Cheapflights to find cheap flight tickets from Seattle to Melbourne?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Seattle to Melbourne.

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from Seattle to Melbourne, users can toggle the no change fees filter when performing a flight search.

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

Yes, Cheapflights offers price alerts on Seattle to Melbourne flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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