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Cheap flights from Seattle to Melbourne Airport from $637

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 2/9. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — MEL
18 Jun — 25 Jun1
1 adult

Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Melbourne are usually found in June or February, booked 67 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 13 June 2025.

Round-trip from

$1,239

One-way from

$637

Popular in

December

Cheapest in

June

Average price

$1,890
Air Canada
  • Air Canada
  • 14/9-20/11
  • 4 total stops
  • 43h 16m total
  • Seattle to Melbourne
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Air Canada
  • Air Canada
  • 2/9
  • 2 total stops
  • 24h 05m total
  • Seattle to Melbourne
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($345 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($106 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 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 13 June 2025.

Sun 14/919:15SEA - MEL
2 stops23h 10mMultiple Airlines
Thu 20/1108:10MEL - SEA
2 stops20h 06mMultiple Airlines
Deal found 13/6$1,239
Tue 16/914:55SEA - MEL
2 stops27h 10mAir Canada
Thu 2/1006:00MEL - SEA
2 stops25h 16mAir Canada
Deal found 11/6$1,248
Wed 27/823:35SEA - MEL
1 stop36h 25mPhilippine Airlines
Wed 10/908:00MEL - SEA
1 stop28h 15mPhilippine Airlines
Deal found 12/6$1,394
Tue 16/916:59SEA - MEL
2 stops25h 06mQantas Airways
Thu 2/1012:30MEL - SEA
2 stops24h 54mQantas Airways
Deal found 12/6$1,531
Tue 14/1016:30SEA - MEL
2 stops29h 05mANA
Tue 28/1018:00MEL - SEA
2 stops38h 20mANA
Deal found 12/6$1,722
Sun 27/706:45SEA - MEL
2 stops44h 50mAir New Zealand
Sun 3/808:35MEL - SEA
2 stops30h 41mAir New Zealand
Deal found 12/6$1,841
Wed 10/1207:20SEA - MEL
1 stop29h 55mDelta
Wed 31/1210:25MEL - SEA
1 stop24h 52mDelta
Deal found 12/6$1,910
Mon 13/1013:00SEA - MEL
1 stop26h 15mUnited Airlines
Wed 29/1010:30MEL - SEA
2 stops28h 43mUnited Airlines
Deal found 12/6$1,925
Wed 24/919:10SEA - MEL
3 stops64h 30mTurkish Airlines
Sat 4/1007:00MEL - SEA
3 stops51h 15mTurkish Airlines
Deal found 11/6$2,103
Mon 3/1107:20SEA - MEL
2 stops34h 10mCathay Pacific
Sun 16/1100:45MEL - SEA
2 stops36h 52mCathay Pacific
Deal found 11/6$2,161
Mon 30/608:15SEA - MEL
2 stops31h 05mHawaiian Airlines
Thu 31/717:15MEL - SEA
2 stops21h 25mHawaiian Airlines
Deal found 12/6$2,171
Sat 5/718:00SEA - MEL
2 stops25h 15mFiji Airways
Fri 25/723:35MEL - SEA
2 stops38h 31mFiji Airways
Deal found 13/6$2,172

Cheapflights Fare Finder

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 13 June 2025.
Use the filters below to find and compare flights from Seattle to Melbourne Airport that are best for you.

Fly from

Seattle

Fly to

Melbourne

Route

Depart

Return

Price

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Sun 14/9

19:15-11:25

2 stops23h 10m

Melbourne

Thu 20/11

08:10-09:16

2 stops20h 06m

$1,239

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Tue 16/9

14:55-11:05

2 stops27h 10m

Melbourne

Thu 2/10

06:00-14:16

2 stops25h 16m

$1,248

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Wed 27/8

23:35-05:00

1 stop36h 25m

Melbourne

Wed 10/9

08:00-19:15

1 stop28h 15m

$1,394

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Tue 16/9

16:59-11:05

2 stops25h 06m

Melbourne

Thu 2/10

12:30-20:24

2 stops24h 54m

$1,531

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Tue 14/10

16:30-15:35

2 stops29h 05m

Melbourne

Tue 28/10

18:00-14:20

2 stops38h 20m

$1,722

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Sun 27/7

06:45-20:35

2 stops44h 50m

Melbourne

Sun 3/8

08:35-22:16

2 stops30h 41m

$1,841

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Wed 10/12

07:20-08:15

1 stop29h 55m

Melbourne

Wed 31/12

10:25-16:17

1 stop24h 52m

$1,910

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Mon 13/10

13:00-09:15

1 stop26h 15m

Melbourne

Wed 29/10

10:30-21:13

2 stops28h 43m

$1,925

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Wed 24/9

19:10-04:40

3 stops64h 30m

Melbourne

Sat 4/10

07:00-17:15

3 stops51h 15m

$2,103

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Mon 3/11

07:20-12:30

2 stops34h 10m

Melbourne

Sun 16/11

00:45-18:37

2 stops36h 52m

$2,161

Flights are sorted by cheapest return flights first.

Deals found on 13/6

Showing 1-10 of 26 results
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2
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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 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.

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 return flight from Seattle to Melbourne. Price data was last updated on 9 June 2025.

The best time to book flights from Seattle to Melbourne Airport is 67 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 13 June 2025.
Air Tahiti Nui
8.7
Very Good
64 reviews
Check prices

Food

7.8

Boarding

8.7

Entertainment

7.3

Overall

8.7

Comfort

8.1

Crew

9.0

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
Air Tahiti Nui
8.7
Very Good
64 reviews
Air Tahiti Nui
8.7
Very Good
64 reviews
Check prices

Food

7.8

Boarding

8.7

Entertainment

7.3

Overall

8.7

Comfort

8.1

Crew

9.0

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
China Airlines
8.3
Very Good
738 reviews
Air Tahiti Nui
8.7
Very Good
64 reviews
Check prices

Food

7.8

Boarding

8.7

Entertainment

7.3

Overall

8.7

Comfort

8.1

Crew

9.0

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
ANA
8.3
Very Good
882 reviews
Air Tahiti Nui
8.7
Very Good
64 reviews
Check prices

Food

7.8

Boarding

8.7

Entertainment

7.3

Overall

8.7

Comfort

8.1

Crew

9.0

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
Fiji Airways
8.1
Very Good
194 reviews
Air Tahiti Nui
8.7
Very Good
64 reviews
Check prices

Food

7.8

Boarding

8.7

Entertainment

7.3

Overall

8.7

Comfort

8.1

Crew

9.0

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
Singapore Airlines
8.1
Very Good
1,304 reviews
Air Tahiti Nui
8.7
Very Good
64 reviews
Check prices

Food

7.8

Boarding

8.7

Entertainment

7.3

Overall

8.7

Comfort

8.1

Crew

9.0

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

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 $1,248, 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 Philippine Airlines and Qantas Airways - these airlines can fly you to your destination from $1,394 and $1,531, respectively. You may be able to fly from Seattle to Melbourne Airport for 42% 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 Air Canada. According to our data, you can fly for as low as $637. Users have also found prices from $772 and $920 on Qantas Airways and Philippine 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
Dandenong
Ballarat
Tullamarine
Phillip Island
St Kilda
Apollo Bay
Lorne
Daylesford
Shepparton
Torquay
Mornington
Sorrento
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 13 June 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,534Average$2,110FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

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

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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.

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