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Cheap flights from Melbourne to Seattle 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 7/5. Fares are subject to change and may not be available on all flights or dates of travel.
MEL — SEA
16 Apr — 23 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Melbourne to Seattle

Enter your travel dates to find the best prices.

Cheapest flights from Melbourne to Seattle
Explore the most affordable flight options available from Melbourne to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 March 2026.

Sat 16/510:55
MEL
-
SEA
1 stop20h 41m
United Airlines
Thu 28/523:52
SEA
-
MEL
2 stops38h 38m
United Airlines
Deal found 15/3$1,074
Sat 25/410:55
MEL
-
SEA
2 stops27h 11m
United Airlines
Sat 16/505:02
SEA
-
MEL
2 stops34h 13m
United Airlines
Deal found 14/3$1,081
Fri 15/510:00
MEL
-
SEA
1 stop19h 23m
Delta
Sun 7/617:45
SEA
-
MEL
2 stops45h 05m
Delta
Deal found 15/3$1,083
Fri 29/510:55
MEL
-
SEA
2 stops27h 15m
United Airlines
Wed 24/619:05
SEA
-
MEL
1 stop20h 10m
United Airlines
Deal found 13/3$1,092
Tue 12/510:55
MEL
-
SEA
1 stop20h 41m
United Airlines
Sat 30/510:29
SEA
-
MEL
1 stop28h 46m
United Airlines
Deal found 15/3$1,106
Tue 28/413:25
MEL
-
SEA
2 stops22h 15m
Multiple Airlines
Tue 5/514:48
SEA
-
MEL
2 stops28h 12m
Multiple Airlines
Deal found 14/3$1,199
Thu 4/606:00
MEL
-
SEA
2 stops20h 50m
Multiple Airlines
Fri 3/719:20
SEA
-
MEL
2 stops23h 15m
Multiple Airlines
Deal found 15/3$1,245
Fri 29/510:00
MEL
-
SEA
1 stop27h 30m
Delta
Wed 24/614:30
SEA
-
MEL
1 stop24h 20m
Delta
Deal found 15/3$1,267
Sat 16/520:40
AVV
-
SEA
2 stops30h 10m
Multiple Airlines
Fri 29/519:20
SEA
-
AVV
2 stops26h 00m
Multiple Airlines
Deal found 15/3$1,377
Sat 16/520:40
AVV
-
SEA
2 stops30h 10m
Multiple Airlines
Thu 28/514:55
SEA
-
AVV
2 stops30h 15m
Multiple Airlines
Deal found 15/3$1,752
Thu 7/506:00
AVV
-
SEA
2 stops20h 50m
Multiple Airlines
Thu 7/519:20
SEA
-
AVV
2 stops25h 50m
Multiple Airlines
Deal found 14/3$2,457
Thu 16/706:00
AVV
-
SEA
2 stops31h 05m
Multiple Airlines
Thu 13/815:00
SEA
-
AVV
2 stops30h 10m
Multiple Airlines
Deal found 13/3$2,981

Find flight deals from Melbourne to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Melbourne (ME1) to Seattle (SEA). 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 17 March 2026.

Round-trip from

$1,074

One-way from

$645

Popular in

April

Cheapest in

October

Average price

$1,390
United Airlines
  • United Airlines
  • 16/5-28/5
  • 3 total stops
  • 59h 19m total
  • Melbourne to Seattle
Search Deals
Air Canada
  • Air Canada
  • 7/5
  • 2 total stops
  • 25h 20m total
  • Melbourne to Seattle
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($120 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($60 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Melbourne to Seattle 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 17 March 2026.
Use the filters below to find and compare flights from Melbourne to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

MelbourneSeattle

MEL - SEA

MELSEA

Melbourne

Sat 16/5

10:55-14:36

1 stop20h 41m

Seattle/Tacoma Intl

Fri 29/5

08:56-07:30

2 stops29h 34m

$1,074

MelbourneSeattle

MEL - SEA

MELSEA

Melbourne

Sat 16/5

10:55-14:36

1 stop20h 41m

Seattle/Tacoma Intl

Thu 28/5

05:00-08:15

1 stop34h 15m

$1,074

MelbourneSeattle

MEL - SEA

MELSEA

Melbourne

Tue 28/4

10:55-22:42

2 stops28h 47m

Seattle/Tacoma Intl

Tue 5/5

10:52-08:15

2 stops28h 23m

$1,081

MelbourneSeattle

MEL - SEA

MELSEA

Melbourne

Fri 29/5

10:55-19:03

1 stop25h 08m

Seattle/Tacoma Intl

Wed 24/6

13:30-08:15

1 stop25h 45m

$1,081

MelbourneSeattle

MEL - SEA

MELSEA

Melbourne

Fri 15/5

10:00-20:30

1 stop27h 30m

Seattle/Tacoma Intl

Sun 7/6

21:25-07:50

1 stop41h 25m

$1,083

MelbourneSeattle

MEL - SEA

MELSEA

Melbourne

Sun 26/4

10:00-23:51

1 stop30h 51m

Seattle/Tacoma Intl

Sun 3/5

16:36-07:50

2 stops46h 14m

$1,110

MelbourneSeattle

MEL - SEA

MELSEA

Melbourne

Tue 12/5

10:55-14:36

1 stop20h 41m

Seattle/Tacoma Intl

Sat 30/5

12:50-08:15

2 stops26h 25m

$1,119

MelbourneSeattle

MEL - SEA

MELSEA

Melbourne

Fri 29/5

10:00-20:30

1 stop27h 30m

Seattle/Tacoma Intl

Wed 24/6

14:30-07:50

1 stop24h 20m

$1,267

MelbourneSeattle

AVV - SEA

AVVSEA

Melbourne Avalon

Sat 16/5

20:40-09:50

2 stops30h 10m

Seattle/Tacoma Intl

Fri 29/5

19:20-14:20

2 stops26h 00m

$1,377

MelbourneSeattle

AVV - SEA

AVVSEA

Melbourne Avalon

Sat 16/5

20:40-09:50

2 stops30h 10m

Seattle/Tacoma Intl

Sat 30/5

14:55-14:20

2 stops30h 25m

$1,377

Flights are sorted by cheapest return flights first.

Deals found on 14/3

Showing 1-10 of 29 resultsSorted by cheapest first
1
2
3

Best time to book a flight from Melbourne to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Melbourne 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 Melbourne to Seattle

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

Use this chart to determine the optimal time to book a return flight from Melbourne to Seattle. Price data was last updated on 13 March 2026.

The best time to book flights from Melbourne to Seattle is 87 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 Melbourne to Seattle?

Currently, September is the cheapest month in which you can book a flight from Melbourne to Seattle (average of $959). Flying from Melbourne to Seattle in June is currently the most expensive (average of $1,217). 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.

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. 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 Seattle. Reviews last updated 17 March 2026.
Read reviews from past customers who have flown with Singapore Airlines,Virgin Australia, andQantas Airways from Melbourne to Seattle. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Singapore Airlines
8.2
Very Good
1,479 reviews
Check prices

Crew

8.6

Boarding

8.3

Overall

8.2

Comfort

8.0

Entertainment

8.0

Food

7.8

Reviews

1 / 20
10.0
Excellent

Juliet,Oct 2025

PUS - SIN

Very kind staff to arrange my luggage and really appreciate all help.
Singapore Airlines
8.2
Very Good
1,479 reviews
Singapore Airlines
8.2
Very Good
1,479 reviews
Check prices

Crew

8.6

Boarding

8.3

Overall

8.2

Comfort

8.0

Entertainment

8.0

Food

7.8

Reviews

1 / 20
10.0
Excellent

Juliet,Oct 2025

PUS - SIN

Very kind staff to arrange my luggage and really appreciate all help.
Virgin Australia
7.6
Good
449 reviews
Singapore Airlines
8.2
Very Good
1,479 reviews
Check prices

Crew

8.6

Boarding

8.3

Overall

8.2

Comfort

8.0

Entertainment

8.0

Food

7.8

Reviews

1 / 20
10.0
Excellent

Juliet,Oct 2025

PUS - SIN

Very kind staff to arrange my luggage and really appreciate all help.
Qantas Airways
7.5
Good
1,004 reviews
Singapore Airlines
8.2
Very Good
1,479 reviews
Check prices

Crew

8.6

Boarding

8.3

Overall

8.2

Comfort

8.0

Entertainment

8.0

Food

7.8

Reviews

1 / 20
10.0
Excellent

Juliet,Oct 2025

PUS - SIN

Very kind staff to arrange my luggage and really appreciate all help.
United Airlines
7.4
Good
9,431 reviews
Singapore Airlines
8.2
Very Good
1,479 reviews
Check prices

Crew

8.6

Boarding

8.3

Overall

8.2

Comfort

8.0

Entertainment

8.0

Food

7.8

Reviews

1 / 20
10.0
Excellent

Juliet,Oct 2025

PUS - SIN

Very kind staff to arrange my luggage and really appreciate all help.
Air Canada
7.1
Good
10,807 reviews
Singapore Airlines
8.2
Very Good
1,479 reviews
Check prices

Crew

8.6

Boarding

8.3

Overall

8.2

Comfort

8.0

Entertainment

8.0

Food

7.8

Reviews

1 / 20
10.0
Excellent

Juliet,Oct 2025

PUS - SIN

Very kind staff to arrange my luggage and really appreciate all help.

Related info for your journey

Find useful and relevant information for your journey from Melbourne to Seattle. 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 into for flights to Seattle from Melbourne?

    Seattle/Tacoma Intl (SEA) is the airport you will fly into if you book a flight from Melbourne to Seattle. You should not have trouble finding flights to Seattle/Tacoma Intl from Melbourne; the airport handles an average of 0 inbound flights from Melbourne per day. You should also have plenty of airline options to choose from since 9 airlines have flights to the Seattle airport from Melbourne. It is only a 18.4 km journey from Seattle/Tacoma Intl (SEA) to Seattle’s city centre.

  • How long is the flight from Melbourne to Seattle?

    There are many flights that can get you from Melbourne to Seattle in 20h 41m. Fly via United Airlines to get the fastest option. There are 13164 km between Melbourne and Seattle.

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

    According to our current data, American Airlines ($961), Air New Zealand ($970), and Air Canada ($1,019) offers the cheapest pricing from Melbourne to Seattle. American Airlines is priced at 34% lower than the current average price of a flight leaving 3 months from now.

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

    One-way options have recently been found by users for as low as $641 on Virgin Australia. Other airlines that offer cheap prices include United Airlines from $671 and Japan Airlines from $953 one-way.

  • Can I find deals for flights from Melbourne to Seattle that include hotel bookings?

    Yes. In addition to deals on Melbourne to Seattle flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Melbourne to Seattle?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Melbourne to Seattle.

  • Can I find deals for business class flights from Melbourne to Seattle?

    Yes. Cheapflights offers flight deals from Melbourne to Seattle 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 Melbourne to Seattle?

    Currently, September is the cheapest month in which you can book a flight from Melbourne to Seattle (average of $959). Flying from Melbourne to Seattle in June is currently the most expensive (average of $1,217). 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
Ocean Shores
SeaTac

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Melbourne to Seattle

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

Top 9 airlines flying from Melbourne to Seattle

Discover the top 9 airlines that operate flights from Melbourne to Seattle. 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 17 March 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$961Average$1,286FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Air New ZealandCheapest$970Average$1,464FlexibilityNo cancel feeOn-time78%
Search Air New Zealand flights
Air CanadaCheapest$1,019Average$1,281FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Qantas AirwaysCheapest$1,069Average$1,536FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
United AirlinesCheapest$1,120Average$1,284FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Philippine AirlinesCheapest$1,268Average$1,441FlexibilityNo cancel feeOn-time60%
Search Philippine Airlines flights
Japan AirlinesCheapest$1,288Average$1,795FlexibilityNo cancel feeOn-time79%
Search Japan Airlines flights
Singapore AirlinesCheapest$1,371Average$1,518FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Virgin AustraliaCheapest$1,381Average$1,548FlexibilityNo cancel feeOn-time80%
Search Virgin Australia 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 Melbourne to Seattle?

Deals for Melbourne to Seattle 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 Melbourne to Seattle?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Melbourne to Seattle.

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

Yes! Cheapflights helps users easily find flights from Melbourne to Seattle with no change fees.

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

Yes! Start tracking prices for Melbourne to Seattle 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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