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Cheap flights from Seattle to Melbourne Airport from $645

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 18/3. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — MEL
25 Jan — 1 Feb1
1 adult

The best prices from Seattle/Tacoma Intl to Melbourne are usually found in February or March, booked 55 days in advance, depart on a Wednesday or Tuesday and return on a Monday

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 20 January 2025.

Round-trip from

$1,572

One-way from

$645

Popular in

December

Cheapest in

February

Average price

$2,215
Air Canada
  • Air Canada
  • 10/2-21/2
  • 4 total stops
  • 59h 30m total
  • Seattle to Melbourne
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18/3
  • 18/3
  • 1 total stop
  • 38h 35m total
  • Seattle to Melbourne
Search Deals
High demand for flights, 11% potential price rise
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Best time to find cheap flights, 3% potential price drop
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Average for round-trip flights in January 2025
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Find flight deals from Seattle to Melbourne

Cheapest flights from Seattle to Melbourne
Explore the most affordable flight options available from Seattle to Melbourne. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 20 January 2025.

Mon 10/210:35SEA - MEL
2 stops34h 10mAir Canada
Fri 21/208:10MEL - SEA
2 stops25h 20mAir Canada
Deal found 20/1$1,572
Mon 3/305:15SEA - MEL
3 stops36h 30mMultiple Airlines
Mon 10/307:00MEL - SEA
3 stops30h 02mMultiple Airlines
Deal found 19/1$1,580
Wed 15/1023:30SEA - MEL
1 stop36h 30mPhilippine Airlines
Wed 29/1009:00MEL - SEA
1 stop28h 35mPhilippine Airlines
Deal found 20/1$1,619
Thu 27/212:37SEA - MEL
1 stop26h 23mUnited Airlines
Sat 8/313:00MEL - SEA
1 stop24h 38mUnited Airlines
Deal found 20/1$1,752
Wed 5/315:16SEA - MEL
2 stops23h 14mSWISS
Wed 12/310:30MEL - SEA
2 stops25h 35mSWISS
Deal found 18/1$1,765
Mon 3/315:04SEA - MEL
1 stop23h 26mLufthansa
Mon 10/312:00MEL - SEA
1 stop21h 54mLufthansa
Deal found 19/1$1,776
Mon 13/1016:40SEA - MEL
2 stops28h 55mANA
Fri 31/1018:00MEL - SEA
2 stops38h 20mANA
Deal found 20/1$1,832
Wed 5/319:00SEA - MEL
3 stops63h 40mTurkish Airlines
Wed 12/307:45MEL - SEA
3 stops52h 20mTurkish Airlines
Deal found 19/1$2,012
Wed 5/317:59SEA - MEL
2 stops34h 01mCathay Pacific
Tue 11/300:45MEL - SEA
2 stops32h 08mCathay Pacific
Deal found 20/1$2,146
Wed 16/407:45SEA - MEL
2 stops33h 05mHawaiian Airlines
Wed 30/420:30MEL - SEA
2 stops50h 45mHawaiian Airlines
Deal found 18/1$2,207

Find flights from Seattle to Melbourne within your budget

Customise your flight search to find flights from Seattle to Melbourne that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 647,157 searches. Data last updated 20 January 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Mon 10/2

10:35-15:45

2 stops34h 10m

Melbourne

Fri 21/2

08:10-14:30

2 stops25h 20m

$1,572

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Mon 3/3

05:15-12:45

3 stops36h 30m

Melbourne

Mon 10/3

07:00-19:02

3 stops30h 02m

$1,580

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Thu 27/2

12:37-10:00

1 stop26h 23m

Melbourne

Sat 8/3

13:00-18:38

1 stop24h 38m

$1,752

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Wed 5/3

15:16-09:30

2 stops23h 14m

Melbourne

Wed 12/3

10:30-18:05

2 stops25h 35m

$1,765

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Mon 3/3

15:04-09:30

1 stop23h 26m

Melbourne

Mon 10/3

12:00-15:54

1 stop21h 54m

$1,776

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Sun 20/4

23:30-06:30

1 stop38h 00m

Melbourne

Fri 2/5

08:00-19:20

1 stop28h 20m

$1,835

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Wed 5/3

19:00-05:40

3 stops63h 40m

Melbourne

Wed 12/3

07:45-18:05

3 stops52h 20m

$2,012

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Wed 5/3

17:59-23:00

2 stops34h 01m

Melbourne

Tue 11/3

00:45-14:53

2 stops32h 08m

$2,146

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Wed 16/4

07:45-09:50

2 stops33h 05m

Melbourne

Wed 30/4

20:30-06:15

2 stops50h 45m

$2,207

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Tue 18/3

07:45-16:20

1 stop38h 35m

$645

Flights are sorted by cheapest return flights first.

Deals found on 18/1

Showing 1-10 of 13 results
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 return 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.

Travel insights for flights from Seattle to Melbourne

Get recent, data-driven insights about flights from Seattle to Melbourne including ideal travel times, pricing trends, and more.

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

Use this chart to determine the optimal time to book a return flight from Seattle to Melbourne. Price data was last updated on 17 January 2025.

The best time to book flights from Seattle to Melbourne Airport is 55 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, May is the cheapest month in which you can book a flight from Seattle to Melbourne Airport (average of $132). Flying from Seattle to Melbourne Airport in October is currently the most expensive (average of $184). 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.

Rainfall in Melbourne by month

Plan your trip to Melbourne by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Melbourne Airport ranges from 30.0 - 60.0 inches per month. November is typically the wettest month, when rainfall can reach 60.0 mm. March is typically the driest time to visit Melbourne Airport when rainfall is around 30.0 mm.

Temperature in Melbourne by month

Plan your trip to Melbourne by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Melbourne Airport, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 20.0 C. Travellers hoping to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 8.0 C).

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 20 January 2025.
Get a feel of what it's like to fly with Philippine Airlines, Air Canada and United Airlines from Seattle to Melbourne by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Asiana Airlines
8.3
Very Good
466 reviews
Check prices

Comfort

8.1

Crew

8.5

Entertainment

7.8

Boarding

8.4

Food

8.1

Overall

8.3

Reviews

1 / 10

Next time I never flight with Asiana Airlines, not anymore, this is my first time also my last time

Asiana Airlines
8.3
Very Good
466 reviews
Asiana Airlines
8.3
Very Good
466 reviews
Check prices

Comfort

8.1

Crew

8.5

Entertainment

7.8

Boarding

8.4

Food

8.1

Overall

8.3

Reviews

1 / 10

Next time I never flight with Asiana Airlines, not anymore, this is my first time also my last time

China Airlines
8.2
Very Good
737 reviews
Asiana Airlines
8.3
Very Good
466 reviews
Check prices

Comfort

8.1

Crew

8.5

Entertainment

7.8

Boarding

8.4

Food

8.1

Overall

8.3

Reviews

1 / 10

Next time I never flight with Asiana Airlines, not anymore, this is my first time also my last time

Hawaiian Airlines
7.9
Good
2,334 reviews
Asiana Airlines
8.3
Very Good
466 reviews
Check prices

Comfort

8.1

Crew

8.5

Entertainment

7.8

Boarding

8.4

Food

8.1

Overall

8.3

Reviews

1 / 10

Next time I never flight with Asiana Airlines, not anymore, this is my first time also my last time

Cathay Pacific
7.5
Good
830 reviews
Asiana Airlines
8.3
Very Good
466 reviews
Check prices

Comfort

8.1

Crew

8.5

Entertainment

7.8

Boarding

8.4

Food

8.1

Overall

8.3

Reviews

1 / 10

Next time I never flight with Asiana Airlines, not anymore, this is my first time also my last time

SWISS
7.5
Good
1,599 reviews
Asiana Airlines
8.3
Very Good
466 reviews
Check prices

Comfort

8.1

Crew

8.5

Entertainment

7.8

Boarding

8.4

Food

8.1

Overall

8.3

Reviews

1 / 10

Next time I never flight with Asiana Airlines, not anymore, this is my first time also my last time

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?

    If you book a flight to Melbourne from Seattle, you will be flying from Seattle/Tacoma Intl, which is the city’s only airport. Seattle/Tacoma Intl (SEA) is located 18.4 km from the centre of Seattle. There are 0 flights from Seattle/Tacoma Intl to Melbourne per day from 1 airline.

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

    Currently priced at $1,572, Air Canada will fly you from Seattle to Melbourne Airport and back. In addition to Air Canada, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from United Airlines and SWISS - these airlines can fly you to your destination from $1,752 and $1,765, respectively. You may be able to fly from Seattle to Melbourne Airport for 30% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Seattle to Melbourne Airport one-way?

    For one-way options, check prices for United Airlines. According to our data, you can fly for as low as $1,001. Users have also found prices from $1,625 and $1,676 on Asiana Airlines and China Airlines, respectively.

  • 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 holiday 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, May is the cheapest month in which you can book a flight from Seattle to Melbourne Airport (average of $132). Flying from Seattle to Melbourne Airport in October is currently the most expensive (average of $184). 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 Seattle?

Book flights to Seattle if you plan to visit one of these locations
Geelong
Ballarat
Dandenong
Apollo Bay
Phillip Island
Lorne
Tullamarine
Shepparton
Sorrento
St Kilda
Torquay
Daylesford
Mornington
Brighton
Doncaster

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Seattle to Melbourne

See prices for flight routes from nearby airports that may be better suited for you.
Portland to Melbourne flights

Top airline flying from Seattle to Melbourne

Discover the top airline 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 647,157 searches. Data last updated 20 January 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,386Average$2,284FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers 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?

Deals for Seattle to Melbourne flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Seattle to Melbourne for you. Better yet — we are completely free to use.

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

Yes, we can. To see specific flights from Seattle to Melbourne with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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