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Cheap flights from Seattle to Melbourne Airport from C$ 770

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

Cheap flight deals from Seattle to Melbourne

Enter your travel dates to find the best prices.

Cheapest flights from Seattle to Melbourne

Sun 8/113:59 p.m. -
2 stops25h 46m
Wed 18/111:45 p.m. -
2 stops24h 43m
Deal found 10/9C$ 1,456
Mon 26/1012:20 p.m. -
1 stop26h 10m
Mon 2/1112:45 p.m. -
1 stop18h 35m
Deal found 11/9C$ 1,520
Mon 2/1110:40 a.m. -
1 stop28h 50m
Mon 16/1112:45 p.m. -
1 stop18h 35m
Deal found 12/9C$ 1,534
Sun 18/105:21 p.m. -
1 stop21h 54m
Wed 11/1112:45 p.m. -
1 stop20h 54m
Deal found 10/9C$ 1,535
Sun 18/105:00 a.m. -
2 stops34h 15m
Tue 3/1112:45 p.m. -
1 stop18h 35m
Deal found 10/9C$ 1,541
Mon 19/1012:16 p.m. -
1 stop26h 14m
Wed 11/118:10 a.m. -
2 stops23h 10m
Deal found 10/9C$ 1,549
Mon 19/105:21 p.m. -
1 stop21h 54m
Tue 10/118:00 a.m. -
2 stops22h 14m
Deal found 10/9C$ 1,554
Sat 31/107:32 a.m. -
1 stop29h 28m
Sat 14/1110:10 a.m. -
1 stop25h 41m
Deal found 11/9C$ 1,570

Find flight deals from Seattle to Melbourne

Round-trip from

C$ 1,456

One-way from

C$ 770

Popular in

September

Cheapest in

March

Average price

C$ 2,429
8/11-18/11
  • 8/11-18/11
  • 4 total stops
  • 50h 29m total
  • Seattle to Melbourne
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18/10-31/12
  • 18/10-31/12
  • 1 total stop
  • 40h 45m total
  • Seattle to Melbourne
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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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Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Seattle to Melbourne Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleMelbourne

SEA Seattle/Tacoma Intl - MEL Melbourne

SEAMEL

Seattle/Tacoma Intl

Wed 25/11

10:40 a.m.-10:30 a.m.

1 stop28h 50m

Melbourne

Wed 31/12

12:00 a.m.-6:00 a.m.

Nonstop0h 00m

C$ 790

SeattleMelbourne

SEA Seattle/Tacoma Intl - MEL Melbourne

SEAMEL

Seattle/Tacoma Intl

Sun 18/10

5:00 a.m.-9:15 a.m.

2 stops34h 15m

Melbourne

Wed 31/12

12:00 a.m.-6:00 a.m.

Nonstop0h 00m

C$ 790

SeattleMelbourne

SEA Seattle/Tacoma Intl - MEL Melbourne

SEAMEL

Seattle/Tacoma Intl

Sat 10/10

5:00 a.m.-9:15 a.m.

2 stops58h 15m

Melbourne

Wed 31/12

12:00 a.m.-6:00 a.m.

Nonstop0h 00m

C$ 826

SeattleMelbourne

SEA Seattle/Tacoma Intl - MEL Melbourne

SEAMEL

Seattle/Tacoma Intl

Thu 15/10

7:11 a.m.-9:15 a.m.

1 stop32h 04m

Melbourne

Wed 31/12

12:00 a.m.-6:00 a.m.

Nonstop0h 00m

C$ 891

SeattleMelbourne

SEA Seattle/Tacoma Intl - MEL Melbourne

SEAMEL

Seattle/Tacoma Intl

Wed 30/12

3:24 p.m.-10:30 a.m.

1 stop24h 06m

Melbourne

Wed 31/12

12:00 a.m.-6:00 a.m.

Nonstop0h 00m

C$ 1,057
Quickest round-trip

SeattleMelbourne

SEA Seattle/Tacoma Intl - MEL Melbourne

SEAMEL

Seattle/Tacoma Intl

Mon 14/12

7:00 a.m.-11:35 p.m.

2 stops21h 35m

Melbourne

Wed 31/12

12:00 a.m.-6:00 a.m.

Nonstop0h 00m

C$ 1,118

SeattleMelbourne

SEA Seattle/Tacoma Intl - MEL Melbourne

SEAMEL

Seattle/Tacoma Intl

Mon 14/12

3:20 p.m.-10:30 a.m.

1 stop24h 10m

Melbourne

Wed 31/12

12:00 a.m.-6:00 a.m.

Nonstop0h 00m

C$ 1,135

SeattleMelbourne

SEA Seattle/Tacoma Intl - MEL Melbourne

SEAMEL

Seattle/Tacoma Intl

Sat 19/12

11:44 p.m.-9:30 a.m.

2 stops38h 46m

Melbourne

Wed 31/12

12:00 a.m.-6:00 a.m.

Nonstop0h 00m

C$ 1,147

SeattleMelbourne

SEA Seattle/Tacoma Intl - MEL Melbourne

SEAMEL

Seattle/Tacoma Intl

Tue 15/12

10:40 a.m.-1:15 p.m.

2 stops31h 35m

Melbourne

Wed 31/12

12:00 a.m.-6:00 a.m.

Nonstop0h 00m

C$ 1,165

SeattleMelbourne

SEA Seattle/Tacoma Intl - MEL Melbourne

SEAMEL

Seattle/Tacoma Intl

Sun 8/11

7:35 p.m.-10:30 a.m.

1 stop19h 55m

Melbourne

Wed 18/11

12:45 p.m.-4:27 p.m.

1 stop22h 42m

C$ 1,535

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/9

Showing 1-10 of 16 resultsSorted by cheapest first
1
2

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 Airport

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

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 72 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, March is the cheapest month in which you can book a flight from Seattle to Melbourne Airport (average of C$ 1,464). Flying from Seattle to Melbourne Airport 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.

How much does it cost to fly round-trip from Seattle to Melbourne Airport?

Airfare is below average for this route at the moment.

Seattle to Melbourne Airport flights typically cost between C$ 1,524 and C$ 2,466 in November.
The cheapest round-trip price found within the last 5 days was C$ 1,456 on Multiple Airlines (8 Nov-18 Nov).

Reviews of airlines servicing Melbourne

See what other customers who have flown with United Airlines 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
10,207 reviews
Check prices

Crew

8.1

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Overall

7.4

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

Crew

8.1

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Overall

7.4

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?

    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 1 airline. Seattle/Tacoma Intl is conveniently located just 18.4 km from Seattle’s city centre.

  • How long is the flight from Seattle to Melbourne Airport?

    United Airlines and Delta can get you from Seattle to Melbourne Airport in just under 22h 30m. Your travel time can differ by up to 7h 40m. There are 13164 km between Seattle and Melbourne Airport. This flight may include one or multiple stops.

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

    According to our current data, United Airlines (C$ 1,372), offers the cheapest pricing from Seattle to Melbourne Airport. 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 Airport?

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

Travelling to a place near Melbourne Airport?

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

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%
Search United Airlines flights

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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?

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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.

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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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