Cheap flights from Seattle to Melbourne Airport from $733
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 8/3. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — MEL
13 Dec — 20 Dec1
Return
1 adult
Economy
Return
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Melbourne are usually found in February or March, booked 69 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 November 2025.
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 November 2025.
Tue 30/1213:35SEA - MEL
1 stop25h 25mUnited Airlines
Mon 2/211:30MEL - SEA
2 stops28h 42mUnited Airlines
Deal found 12/11$1,674
Thu 4/1205:00SEA - MEL
2 stops33h 30mUnited Airlines
Thu 18/1213:00MEL - SEA
1 stop22h 52mUnited Airlines
Deal found 10/11$1,680
Wed 10/1210:25SEA - MEL
1 stop26h 35mDelta
Sun 8/210:10MEL - SEA
1 stop21h 48mDelta
Deal found 12/11$1,685
Wed 10/1205:25SEA - MEL
2 stops31h 35mDelta
Sun 21/1210:10MEL - SEA
1 stop28h 46mDelta
Deal found 11/11$1,691
Sun 23/1114:35SEA - MEL
1 stop23h 55mQantas Airways
Sat 6/1206:45MEL - SEA
2 stops28h 45mQantas Airways
Deal found 11/11$1,824
Wed 10/1217:59SEA - MEL
2 stops26h 36mQantas Airways
Wed 17/1206:45MEL - SEA
2 stops26h 39mQantas Airways
Deal found 12/11$1,911
Tue 9/1212:35SEA - MEL
2 stops25h 55mUnited Airlines
Sat 20/1213:00MEL - SEA
2 stops27h 17mUnited Airlines
Deal found 11/11$1,925
Wed 10/1206:05SEA - MEL
2 stops35h 25mCathay Pacific
Sat 7/200:45MEL - SEA
2 stops52h 16mCathay Pacific
Deal found 12/11$1,928
Wed 3/1220:10SEA - MEL
1 stop42h 20mMultiple Airlines
Sun 7/1213:00MEL - SEA
1 stop18h 18mMultiple Airlines
Deal found 12/11$1,937
Tue 30/1216:49SEA - MEL
2 stops35h 11mCathay Pacific
Sun 1/200:45MEL - SEA
2 stops39h 07mCathay Pacific
Deal found 12/11$1,951
Best flights from Seattle to Melbourne
Discover carefully curated flight deals from Seattle to Melbourne that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 13 November 2025.
Sun 1/318:04SEA - MEL
1 stop20h 26mUnited Airlines
Fri 27/310:30MEL - SEA
1 stop23h 22mUnited Airlines
Deal found 12/11$1,660
Mon 2/319:29SEA - MEL
1 stop19h 31mUnited Airlines
Thu 26/310:30MEL - SEA
1 stop19h 54mUnited Airlines
Deal found 12/11$1,660
Tue 3/217:10SEA - MEL
1 stop21h 50mUnited Airlines
Thu 26/211:30MEL - SEA
2 stops28h 31mUnited Airlines
Deal found 11/11$1,674
Sun 1/217:12SEA - MEL
1 stop21h 18mUnited Airlines
Mon 2/313:00MEL - SEA
1 stop21h 41mUnited Airlines
Deal found 11/11$1,674
Tue 3/217:12SEA - MEL
1 stop21h 18mUnited Airlines
Fri 27/211:30MEL - SEA
2 stops28h 31mUnited Airlines
Deal found 11/11$1,674
Sat 31/117:10SEA - MEL
1 stop21h 50mUnited Airlines
Tue 3/313:00MEL - SEA
1 stop24h 26mUnited Airlines
Deal found 11/11$1,674
Fri 30/117:12SEA - MEL
1 stop21h 18mUnited Airlines
Wed 25/211:30MEL - SEA
2 stops28h 31mUnited Airlines
Deal found 11/11$1,674
Tue 3/217:12SEA - MEL
1 stop21h 18mUnited Airlines
Sun 1/313:00MEL - SEA
1 stop21h 41mUnited Airlines
Deal found 11/11$1,674
Tue 30/1217:05SEA - MEL
1 stop21h 25mUnited Airlines
Mon 2/213:00MEL - SEA
1 stop21h 44mUnited Airlines
Deal found 12/11$1,674
Sun 15/312:45SEA - MEL
1 stop26h 15mUnited Airlines
Sun 5/410:55MEL - SEA
1 stop27h 17mUnited Airlines
Deal found 12/11$1,674
Wed 4/217:12SEA - MEL
1 stop21h 18mUnited Airlines
Sun 1/311:30MEL - SEA
2 stops28h 31mUnited Airlines
Deal found 11/11$1,674
Last-minute flights from Seattle to Melbourne
Discover last-minute flight deals from Seattle to Melbourne. Data last updated 13 November 2025 and is based on user searches.
Sun 23/1114:35SEA - MEL
1 stop23h 55mQantas Airways
Sat 6/1206:45MEL - SEA
2 stops28h 45mQantas Airways
Deal found 11/11$1,824
Wed 3/1220:10SEA - MEL
1 stop42h 20mMultiple Airlines
Sun 7/1213:00MEL - SEA
1 stop18h 18mMultiple Airlines
Deal found 12/11$1,937
Thu 4/1205:00SEA - MEL
2 stops33h 30mUnited Airlines
Thu 18/1213:00MEL - SEA
1 stop22h 52mUnited Airlines
Deal found 10/11$1,680
Tue 9/1212:35SEA - MEL
2 stops25h 55mUnited Airlines
Sat 20/1213:00MEL - SEA
2 stops27h 17mUnited Airlines
Deal found 11/11$1,925
Wed 10/1210:25SEA - MEL
1 stop26h 35mDelta
Sun 8/210:10MEL - SEA
1 stop21h 48mDelta
Deal found 12/11$1,685
Wed 10/1205:25SEA - MEL
2 stops31h 35mDelta
Sun 21/1210:10MEL - SEA
1 stop28h 46mDelta
Deal found 11/11$1,691
Wed 10/1217:59SEA - MEL
2 stops26h 36mQantas Airways
Wed 17/1206:45MEL - SEA
2 stops26h 39mQantas Airways
Deal found 12/11$1,911
Wed 10/1206:05SEA - MEL
2 stops35h 25mCathay Pacific
Sat 7/200:45MEL - SEA
2 stops52h 16mCathay Pacific
Deal found 12/11$1,928
Tue 30/1213:35SEA - MEL
1 stop25h 25mUnited Airlines
Mon 2/211:30MEL - SEA
2 stops28h 42mUnited Airlines
Deal found 12/11$1,674
Tue 30/1216:49SEA - MEL
2 stops35h 11mCathay Pacific
Sun 1/200:45MEL - SEA
2 stops39h 07mCathay Pacific
Deal found 12/11$1,951
One-way flights from Seattle to Melbourne
Search for one-way flight options from Seattle to Melbourne. Find affordable one-way fares based on user searches. Data last updated 13 November 2025.
Sun 8/322:30SEA - MEL
1 stop40h 05mPhilippine Airlines
Deal found 11/11$733
Sun 8/322:30SEA - MEL
2 stops44h 05mMultiple Airlines
Deal found 11/11$783
Fri 5/1206:25SEA - MEL
1 stop27h 50mQantas Airways
Deal found 11/11$822
Tue 17/221:30SEA - MEL
1 stop31h 35mMultiple Airlines
Deal found 12/11$828
Sun 15/221:30SEA - MEL
1 stop31h 35mMultiple Airlines
Deal found 12/11$838
Wed 18/215:50SEA - MEL
1 stop22h 40mQantas Airways
Deal found 12/11$845
Sat 31/112:59SEA - MEL
1 stop25h 31mMultiple Airlines
Deal found 11/11$854
Thu 19/221:30SEA - MEL
1 stop31h 35mMultiple Airlines
Deal found 12/11$855
Mon 9/307:51SEA - MEL
1 stop27h 09mAmerican Airlines
Deal found 11/11$869
Sat 21/223:08SEA - MEL
2 stops53h 57mMultiple Airlines
Deal found 12/11$880
Fri 5/1208:40SEA - MEL
2 stops30h 20mUnited Airlines
Deal found 11/11$884
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 November 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 1/3
18:04-09:30
1 stop20h 26m
Melbourne
Fri 27/3
10:30-15:52
1 stop23h 22m
$1,660
SeattleMelbourne
SEA - MEL
SEAMEL
Seattle/Tacoma Intl
Mon 2/3
19:29-10:00
1 stop19h 31m
Melbourne
Thu 26/3
10:30-12:24
1 stop19h 54m
$1,660
SeattleMelbourne
SEA - MEL
SEAMEL
Seattle/Tacoma Intl
Tue 3/2
17:10-10:00
1 stop21h 50m
Melbourne
Thu 26/2
11:30-21:01
2 stops28h 31m
$1,674
SeattleMelbourne
SEA - MEL
SEAMEL
Seattle/Tacoma Intl
Sun 1/2
17:12-09:30
1 stop21h 18m
Melbourne
Mon 2/3
13:00-15:41
1 stop21h 41m
$1,674
SeattleMelbourne
SEA - MEL
SEAMEL
Seattle/Tacoma Intl
Tue 3/2
17:12-09:30
1 stop21h 18m
Melbourne
Fri 27/2
11:30-21:01
2 stops28h 31m
$1,674
SeattleMelbourne
SEA - MEL
SEAMEL
Seattle/Tacoma Intl
Sat 31/1
17:10-10:00
1 stop21h 50m
Melbourne
Tue 3/3
13:00-18:26
1 stop24h 26m
$1,674
SeattleMelbourne
SEA - MEL
SEAMEL
Seattle/Tacoma Intl
Fri 30/1
17:12-09:30
1 stop21h 18m
Melbourne
Wed 25/2
11:30-21:01
2 stops28h 31m
$1,674
SeattleMelbourne
SEA - MEL
SEAMEL
Seattle/Tacoma Intl
Tue 3/2
17:12-09:30
1 stop21h 18m
Melbourne
Sun 1/3
13:00-15:41
1 stop21h 41m
$1,674
SeattleMelbourne
SEA - MEL
SEAMEL
Seattle/Tacoma Intl
Tue 30/12
17:05-09:30
1 stop21h 25m
Melbourne
Mon 2/2
13:00-15:44
1 stop21h 44m
$1,674
SeattleMelbourne
SEA - MEL
SEAMEL
Seattle/Tacoma Intl
Sun 15/3
12:45-09:00
1 stop26h 15m
Melbourne
Sun 5/4
10:55-21:12
1 stop27h 17m
$1,674
Flights are sorted by cheapest return flights first.
Deals found on 11/11
Showing 1-10 of 20 results
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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
Prices
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 7 November 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 $1,238). Flying from Seattle to Melbourne Airport in April is currently the most expensive (average of $1,853). 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’s the top stopover airport for flights from Seattle to Melbourne Airport?
Share of one-stop return flights from Seattle to Melbourne Airport chosen by Cheapflights users in the past 12 months, using the same stopover each way.
San Francisco (SFO) – chosen by Cheapflights users on 77% of one-stop itineraries from Seattle to Melbourne Airport on Cheapflights.
What’s the fastest stopover option from Seattle to Melbourne Airport?
Shortest average travel time for one-stop one-way flights from Seattle to Melbourne Airport, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.
Flights via San Francisco (SFO) have the shortest average one-way travel time for one-stop routes: 19h 52m.
What’s the fastest stopover option from Seattle to Melbourne Airport?
Shortest average travel time for one-stop one-way flights from Seattle to Melbourne Airport, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.
Flights via San Francisco (SFO) have the shortest average one-way travel time for one-stop routes: 19h 52m.
Which airport typically offers the quickest stopover for flights from Seattle to Melbourne Airport?
Average stopover duration for one-stop one-way flights from Seattle to Melbourne Airport, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via San Francisco (SFO) offer the fastest connection on this route, with an average stopover time of 2h 31m.
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 November 2025.
Read through reviews of airlines operating flights from Seattle to Melbourne Airport, such as United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
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.
How long is the flight from Seattle to Melbourne Airport?
United Airlines can get you from Seattle to Melbourne Airport in just under 20h 26m. Your travel time can differ by up to . There are 13164 km between Seattle and Melbourne Airport.
What is the cheapest airline to fly from Seattle to Melbourne Airport round-trip?
Currently priced at $1,542, United Airlines will fly you from Seattle to Melbourne Airport and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip. You may be able to fly from Seattle to Melbourne Airport for 26% less than the average price by searching for this airline.
What are the cheapest airlines to fly from Seattle to Melbourne Airport one-way?
For one-way options, check prices for Philippine Airlines. According to our data, you can fly for as low as $733. Users have also found prices from $869 and $884 on American Airlines and United 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 $1,238). Flying from Seattle to Melbourne Airport in April is currently the most expensive (average of $1,853). 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.
Explore flights to Melbourne departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 13 November 2025.
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 November 2025.
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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