Cheap flights from Seattle to Melbourne Airport from $688
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 4/3. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — MEL
21 Dec — 28 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 21 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 21 November 2025.
Tue 30/1217:54SEA - MEL
1 stop21h 06mUnited Airlines
Mon 2/213:00MEL - SEA
1 stop27h 12mUnited Airlines
Deal found 18/11$1,692
Sun 30/1121:30SEA - MEL
2 stops51h 15mMultiple Airlines
Mon 8/1212:00MEL - SEA
1 stop20h 30mMultiple Airlines
Deal found 20/11$1,723
Thu 4/1221:14SEA - MEL
1 stop37h 01mMultiple Airlines
Mon 8/1212:00MEL - SEA
1 stop21h 24mMultiple Airlines
Deal found 20/11$1,768
Wed 3/1205:50SEA - MEL
3 stops37h 40mMultiple Airlines
Thu 15/106:05MEL - SEA
2 stops35h 01mMultiple Airlines
Deal found 20/11$1,789
Tue 2/1220:00SEA - MEL
2 stops26h 25mMultiple Airlines
Mon 8/1212:00MEL - SEA
1 stop21h 24mMultiple Airlines
Deal found 20/11$1,817
Thu 4/1217:59SEA - MEL
1 stop20h 31mMultiple Airlines
Wed 10/1206:05MEL - SEA
2 stops33h 30mMultiple Airlines
Deal found 20/11$1,873
Mon 1/1215:40SEA - MEL
2 stops44h 45mMultiple Airlines
Mon 8/1212:00MEL - SEA
1 stop20h 30mMultiple Airlines
Deal found 20/11$1,884
Wed 3/1215:40SEA - MEL
2 stops34h 10mMultiple Airlines
Mon 8/1212:00MEL - SEA
1 stop20h 30mMultiple Airlines
Deal found 20/11$1,904
Wed 3/1214:05SEA - MEL
1 stop22h 55mDelta
Sun 7/1210:10MEL - SEA
1 stop19h 35mDelta
Deal found 20/11$1,918
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 21 November 2025.
Tue 30/1212:44SEA - MEL
2 stops26h 16mUnited Airlines
Mon 2/211:30MEL - SEA
2 stops28h 42mUnited Airlines
Deal found 19/11$1,698
Wed 3/1214:05SEA - MEL
1 stop22h 55mDelta
Sun 7/1210:10MEL - SEA
1 stop19h 35mDelta
Deal found 20/11$1,918
Tue 10/318:21SEA - MEL
2 stops34h 39mMultiple Airlines
Mon 23/300:45MEL - SEA
2 stops36h 02mMultiple Airlines
Deal found 20/11$1,948
Wed 3/1219:54SEA - MEL
2 stops40h 16mCathay Pacific
Mon 8/1215:35MEL - SEA
2 stops37h 26mCathay Pacific
Deal found 20/11$2,115
Mon 2/312:55SEA - MEL
2 stops25h 35mUnited Airlines
Thu 12/312:00MEL - SEA
2 stops28h 59mUnited Airlines
Deal found 19/11$1,698
Tue 6/108:40SEA - MEL
2 stops30h 20mUnited Airlines
Wed 14/111:30MEL - SEA
2 stops28h 42mUnited Airlines
Deal found 19/11$1,698
Thu 4/1219:11SEA - MEL
2 stops41h 49mDelta
Wed 10/1210:10MEL - SEA
2 stops32h 15mDelta
Deal found 20/11$1,924
Thu 29/112:25SEA - MEL
2 stops26h 05mUnited Airlines
Tue 24/312:00MEL - SEA
2 stops24h 04mUnited Airlines
Deal found 19/11$1,698
Last-minute flights from Seattle to Melbourne
Discover last-minute flight deals from Seattle to Melbourne. Data last updated 21 November 2025 and is based on user searches.
Sun 30/1121:30SEA - MEL
2 stops51h 15mMultiple Airlines
Mon 8/1212:00MEL - SEA
1 stop20h 30mMultiple Airlines
Deal found 20/11$1,723
Mon 1/1215:40SEA - MEL
2 stops44h 45mMultiple Airlines
Mon 8/1212:00MEL - SEA
1 stop20h 30mMultiple Airlines
Deal found 20/11$1,884
Tue 2/1220:00SEA - MEL
2 stops26h 25mMultiple Airlines
Mon 8/1212:00MEL - SEA
1 stop21h 24mMultiple Airlines
Deal found 20/11$1,817
Wed 3/1205:50SEA - MEL
3 stops37h 40mMultiple Airlines
Thu 15/106:05MEL - SEA
2 stops35h 01mMultiple Airlines
Deal found 20/11$1,789
Wed 3/1215:40SEA - MEL
2 stops34h 10mMultiple Airlines
Mon 8/1212:00MEL - SEA
1 stop20h 30mMultiple Airlines
Deal found 20/11$1,904
Wed 3/1214:05SEA - MEL
1 stop22h 55mDelta
Sun 7/1210:10MEL - SEA
1 stop19h 35mDelta
Deal found 20/11$1,918
Thu 4/1221:14SEA - MEL
1 stop37h 01mMultiple Airlines
Mon 8/1212:00MEL - SEA
1 stop21h 24mMultiple Airlines
Deal found 20/11$1,768
Thu 4/1217:59SEA - MEL
1 stop20h 31mMultiple Airlines
Wed 10/1206:05MEL - SEA
2 stops33h 30mMultiple Airlines
Deal found 20/11$1,873
Tue 30/1213:35SEA - MEL
1 stop25h 25mUnited Airlines
Mon 2/211:30MEL - SEA
2 stops28h 42mUnited Airlines
Deal found 18/11$1,692
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 21 November 2025.
Wed 4/308:15SEA - MEL
2 stops33h 10mMultiple Airlines
Deal found 20/11$688
Wed 4/321:30SEA - MEL
1 stop35h 40mPhilippine Airlines
Deal found 20/11$689
Tue 17/216:02SEA - MEL
3 stops49h 23mMultiple Airlines
Deal found 21/11$746
Wed 10/1217:59SEA - MEL
1 stop20h 31mQantas Airways
Deal found 19/11$851
Sun 7/1207:15SEA - MEL
1 stop26h 45mAmerican Airlines
Deal found 20/11$872
Tue 9/1208:30SEA - MEL
1 stop25h 30mAmerican Airlines
Deal found 19/11$876
Fri 15/517:00SEA - MEL
1 stop21h 30mUnited Airlines
Deal found 19/11$885
Mon 8/1207:10SEA - MEL
2 stops31h 50mUnited Airlines
Deal found 19/11$893
Sun 7/1208:40SEA - MEL
2 stops30h 20mUnited Airlines
Deal found 20/11$902
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 21 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
Tue 30/12
12:44-10:00
2 stops26h 16m
Melbourne
Mon 2/2
11:30-21:12
2 stops28h 42m
$1,698
SeattleMelbourne
SEA - MEL
SEAMEL
Seattle/Tacoma Intl
Mon 2/3
12:55-09:30
2 stops25h 35m
Melbourne
Thu 12/3
12:00-22:59
2 stops28h 59m
$1,698
SeattleMelbourne
SEA - MEL
SEAMEL
Seattle/Tacoma Intl
Tue 6/1
08:40-10:00
2 stops30h 20m
Melbourne
Wed 14/1
11:30-21:12
2 stops28h 42m
$1,698
SeattleMelbourne
SEA - MEL
SEAMEL
Seattle/Tacoma Intl
Thu 29/1
12:25-09:30
2 stops26h 05m
Melbourne
Tue 24/3
12:00-18:04
2 stops24h 04m
$1,698
SeattleMelbourne
SEA - MEL
SEAMEL
Seattle/Tacoma Intl
Wed 3/12
14:05-08:00
1 stop22h 55m
Melbourne
Sun 7/12
10:10-10:45
1 stop19h 35m
$1,918
SeattleMelbourne
SEA - MEL
SEAMEL
Seattle/Tacoma Intl
Thu 4/12
19:11-08:00
2 stops41h 49m
Melbourne
Wed 10/12
10:10-23:25
2 stops32h 15m
$1,924
SeattleMelbourne
SEA - MEL
SEAMEL
Seattle/Tacoma Intl
Tue 10/3
18:21-23:00
2 stops34h 39m
Melbourne
Mon 23/3
00:45-18:47
2 stops36h 02m
$1,948
SeattleMelbourne
SEA - MEL
SEAMEL
Seattle/Tacoma Intl
Wed 3/12
19:54-07:10
2 stops40h 16m
Melbourne
Mon 8/12
15:35-10:01
2 stops37h 26m
$2,115
SeattleMelbourne
SEA - MEL
SEAMEL
Seattle/Tacoma Intl
Wed 4/3
08:15-12:25
2 stops33h 10m
$688
SeattleMelbourne
SEA - MEL
SEAMEL
Seattle/Tacoma Intl
Wed 4/3
21:30-04:10
1 stop35h 40m
$689
Flights are sorted by cheapest return flights first.
Deals found on 20/11
Showing 1-10 of 15 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 14 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 $1,250). Flying from Seattle to Melbourne Airport in April is currently the most expensive (average of $1,871). 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 for a return flight from Seattle to Melbourne Airport?
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 cheapest stopover airport for flights from Seattle to Melbourne Airport?
Average return fare for one-stop flights from Seattle to Melbourne Airport, chosen by Cheapflights users in the past 12 months, with the same stopover each way.
San Francisco (SFO) is the most affordable one-stop option, with an average return flight price of $2,135.
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 21 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 26h 16m. 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 $1,557, 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.
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 $1,250). Flying from Seattle to Melbourne Airport in April is currently the most expensive (average of $1,871). 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 21 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 21 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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