What is the cheapest airline that flies from Melbourne to Seattle/Tacoma Intl?

United Airlines is the most popular carrier operating from Melbourne to Seattle/Tacoma Intl

Which airlines fly to Seattle?

United Airlines, Virgin Australia and American Airlines are the top three most popular airlines that fly to Seattle from Melbourne according to our data. United Airlines is the first choice among our users, with 64% of people opting to fly with this airline when travelling to Seattle. Keep in mind that there are 7 different airlines that fly to Seattle on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Melbourne to Seattle/Tacoma Intl Airport?

Prices for flights from Melbourne to Seattle/Tacoma Intl Airport were last updated today.

How many operators does momondo search for flights from Melbourne to Seattle/Tacoma Intl Airport?

As of August 2026, there are 7 operators available to choose from for flights from Melbourne to Seattle/Tacoma Intl Airport.

How old do you have to be to fly from Melbourne to Seattle/Tacoma Intl Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Melbourne to Seattle/Tacoma Intl Airport.

What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

The travel and health documents you'll need for your trip to Seattle/Tacoma Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at Seattle/Tacoma Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$799 Cheap Flights from Melbourne to Seattle in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Melbourne to Seattle

Return

One-way

Cheap return flights

Enter your travel dates to find the best prices.

10:10 - 18:52MEL Melbourne-SEA Seattle/Tacoma Intl

27h 42m2 stops Los Angeles Salt Lake City

05:35 - 08:00SEA Seattle/Tacoma Intl-MEL Melbourne

31h 25m2 stops Salt Lake City Los Angeles

$1,449Delta

Mon, 2 Nov - Mon, 23 Nov

10:10 - 14:50MEL Melbourne-SEA Seattle/Tacoma Intl

23h 40m1 stop Los Angeles

11:00 - 08:00SEA Seattle/Tacoma Intl-MEL Melbourne

26h 00m2 stops Salt Lake City Los Angeles

$1,449Delta

Mon, 2 Nov - Mon, 23 Nov

07:00 - 16:07MEL Melbourne-SEA Seattle/Tacoma Intl

27h 07m2 stops Sydney Kingsford Smith Los Angeles

16:37 - 13:20SEA Seattle/Tacoma Intl-MEL Melbourne

26h 43m2 stops Los Angeles Sydney Kingsford Smith

$1,534American Airlines

Wed, 21 Oct - Sun, 25 Oct

06:30 - 13:07MEL Melbourne-SEA Seattle/Tacoma Intl

24h 37m2 stops Sydney Kingsford Smith Los Angeles

13:37 - 13:20SEA Seattle/Tacoma Intl-MEL Melbourne

29h 43m2 stops Los Angeles Sydney Kingsford Smith

$1,542American Airlines

Wed, 21 Oct - Sun, 25 Oct

17:05 - 12:25MEL Melbourne-SEA Seattle/Tacoma Intl

36h 20m2 stops Sydney Kingsford Smith Los Angeles

17:02 - 10:35SEA Seattle/Tacoma Intl-MEL Melbourne

24h 33m2 stops Los Angeles Sydney Kingsford Smith

$1,569Qantas Airways

Sun, 20 Sep - Wed, 23 Sep

08:10 - 09:27MEL Melbourne-SEA Seattle/Tacoma Intl

20h 17m2 stops Brisbane Vancouver Intl

19:05 - 18:00SEA Seattle/Tacoma Intl-MEL Melbourne

27h 55m2 stops Vancouver Intl Auckland Intl

$1,643Air Canada

Tue, 19 Jan - Wed, 27 Jan

12:45 - 17:57MEL Melbourne-SEA Seattle/Tacoma Intl

24h 12m2 stops San Francisco Denver Intl

15:35 - 10:30SEA Seattle/Tacoma Intl-MEL Melbourne

23h 55m1 stop San Francisco

$1,655United Airlines

Fri, 13 Nov - Mon, 23 Nov

12:45 - 16:27MEL Melbourne-SEA Seattle/Tacoma Intl

22h 42m1 stop San Francisco

15:35 - 10:30SEA Seattle/Tacoma Intl-MEL Melbourne

23h 55m1 stop San Francisco

$1,655United Airlines

Fri, 13 Nov - Mon, 23 Nov

09:00 - 16:40MEL Melbourne-SEA Seattle/Tacoma Intl

24h 40m2 stops Sydney Kingsford Smith Dallas/Fort Worth

17:02 - 10:35SEA Seattle/Tacoma Intl-MEL Melbourne

24h 33m2 stops Los Angeles Sydney Kingsford Smith

$1,664Qantas Airways

Thu, 3 Sep - Sun, 20 Sep

20:30 - 18:32MEL Melbourne-SEA Seattle/Tacoma Intl

39h 02m2 stops Sydney Kingsford Smith Vancouver Intl

15:00 - 11:20SEA Seattle/Tacoma Intl-MEL Melbourne

27h 20m2 stops Vancouver Intl Brisbane

$2,164Air Canada

Mon, 7 Sep - Fri, 11 Sep

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Delta flights from Melbourne to Seattle

Our best Delta deals on Melbourne to Seattle flight tickets

Delta

2 Nov

MEL10:10Melbourne

29h 17m

1 stop

SEA20:27Seattle/Tacoma Intl

23 Nov

SEA10:12Seattle/Tacoma Intl

26h 48m

1 stop

MEL08:00Melbourne

$1,449

Delta

2 Nov

MEL10:10Melbourne

29h 17m

1 stop

SEA20:27Seattle/Tacoma Intl

23 Nov

SEA10:12Seattle/Tacoma Intl

26h 48m

1 stop

MEL08:00Melbourne

$1,451

Delta

2 Nov

MEL10:10Melbourne

29h 17m

1 stop

SEA20:27Seattle/Tacoma Intl

23 Nov

SEA10:12Seattle/Tacoma Intl

26h 48m

1 stop

MEL08:00Melbourne

$1,453

Qatar Airways flights from Melbourne to Seattle

Our best Qatar Airways deals on Melbourne to Seattle flight tickets

Qatar Airways

21 Oct

MEL23:45Melbourne

30h 40m

1 stop

SEA12:25Seattle/Tacoma Intl

25 Oct

SEA16:50Seattle/Tacoma Intl

36h 30m

1 stop

MEL23:20Melbourne

$2,039

Qatar Airways

13 Nov

MEL23:40Melbourne

31h 00m

1 stop

SEA11:40Seattle/Tacoma Intl

17 Nov

SEA15:50Seattle/Tacoma Intl

36h 30m

1 stop

MEL23:20Melbourne

$2,077

Qatar Airways

13 Nov

MEL23:40Melbourne

31h 00m

1 stop

SEA11:40Seattle/Tacoma Intl

17 Nov

SEA15:50Seattle/Tacoma Intl

36h 30m

1 stop

MEL23:20Melbourne

$2,081

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

MelbourneSeattle

MEL Melbourne - SEA Seattle/Tacoma Intl

MELSEA

Melbourne

Mon 2/11

10:10-18:52

2 stops27h 42m

Seattle/Tacoma Intl

Mon 23/11

05:35-08:00

2 stops31h 25m

$1,449

MelbourneSeattle

MEL Melbourne - SEA Seattle/Tacoma Intl

MELSEA

Melbourne

Mon 2/11

10:10-14:50

1 stop23h 40m

Seattle/Tacoma Intl

Mon 23/11

11:00-08:00

2 stops26h 00m

$1,449

MelbourneSeattle

MEL Melbourne - SEA Seattle/Tacoma Intl

MELSEA

Melbourne

Wed 21/10

07:00-16:07

2 stops27h 07m

Seattle/Tacoma Intl

Sun 25/10

16:37-13:20

2 stops26h 43m

$1,534

MelbourneSeattle

MEL Melbourne - SEA Seattle/Tacoma Intl

MELSEA

Melbourne

Wed 21/10

06:30-13:07

2 stops24h 37m

Seattle/Tacoma Intl

Sun 25/10

13:37-13:20

2 stops29h 43m

$1,542

MelbourneSeattle

MEL Melbourne - SEA Seattle/Tacoma Intl

MELSEA

Melbourne

Sun 20/9

17:05-12:25

2 stops36h 20m

Seattle/Tacoma Intl

Wed 23/9

17:02-10:35

2 stops24h 33m

$1,569

MelbourneSeattle

MEL Melbourne - SEA Seattle/Tacoma Intl

MELSEA

Melbourne

Tue 19/1

08:10-09:27

2 stops20h 17m

Seattle/Tacoma Intl

Wed 27/1

19:05-18:00

2 stops27h 55m

$1,643

MelbourneSeattle

MEL Melbourne - SEA Seattle/Tacoma Intl

MELSEA

Melbourne

Fri 13/11

12:45-17:57

2 stops24h 12m

Seattle/Tacoma Intl

Mon 23/11

15:35-10:30

1 stop23h 55m

$1,655

Fastest return journey

MelbourneSeattle

MEL Melbourne - SEA Seattle/Tacoma Intl

MELSEA

Melbourne

Fri 13/11

12:45-16:27

1 stop22h 42m

Seattle/Tacoma Intl

Mon 23/11

15:35-10:30

1 stop23h 55m

$1,655

MelbourneSeattle

MEL Melbourne - SEA Seattle/Tacoma Intl

MELSEA

Melbourne

Thu 3/9

09:00-16:40

2 stops24h 40m

Seattle/Tacoma Intl

Sun 20/9

17:02-10:35

2 stops24h 33m

$1,664

MelbourneSeattle

MEL Melbourne - SEA Seattle/Tacoma Intl

MELSEA

Melbourne

Mon 7/9

20:30-18:32

2 stops39h 02m

Seattle/Tacoma Intl

Fri 11/9

15:00-11:20

2 stops27h 20m

$2,164

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Melbourne to Seattle

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the typical price of a round-trip flight between Melbourne and Seattle?

Prices are currently typical for flights on this route.

Typical prices usually range from $1,345 to $1,663.
The lowest price recently found on this route was $1,449.

What is the cheapest month to fly to Seattle?

The month of March is, on average, the cheapest month to fly to Seattle from Melbourne, with most prices found around $1,140. If you are unable to visit Seattle during the month of March, then departing from Melbourne during the month October is also very affordable. Most momondo users find prices during this month for around $1,194.

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

You are more likely to see cheaper flights to Seattle from Melbourne when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $1,355 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Melbourne for as low as $1,178 on momondo.

Cheap Melbourne to Seattle flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Melbourne to Seattle

Best price found	$799
Fastest flight time	19h 40m
Direct flights	None

The best one-way flight to Seattle from Melbourne in the past 72 hours is $799. The best return flight deal from Melbourne to Seattle found on momondo in the last 72 hours is $1,449.

The fastest flight from Melbourne to Seattle takes 19h 40m

There are no direct flights from Melbourne to Seattle. There are no popular flight routes from Melbourne to Seattle.

Search flight deals

Frequently asked questions about flying from Melbourne to Seattle

How far is Melbourne to Seattle/Tacoma Intl by plane?
The distance between Melbourne and Seattle/Tacoma Intl is about 13172.3 km. Typically, this will take 19h 40m by plane in normal conditions.
When did momondo last update prices for flights from Melbourne to Seattle/Tacoma Intl Airport?
Prices for flights from Melbourne to Seattle/Tacoma Intl Airport were last updated today.
How many operators does momondo search for flights from Melbourne to Seattle/Tacoma Intl Airport?
As of August 2026, there are 7 operators available to choose from for flights from Melbourne to Seattle/Tacoma Intl Airport.
How old do you have to be to fly from Melbourne to Seattle/Tacoma Intl Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Melbourne to Seattle/Tacoma Intl Airport.
What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?
The travel and health documents you'll need for your trip to Seattle/Tacoma Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at Seattle/Tacoma Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Melbourne to Seattle

Compare and see reviews for airlines that fly from Melbourne to Seattle with momondo

Airline	Rating	Free cancellation	Price
Delta	PriceFrom $756	Free cancellation	Rating 7.8 8,514 reviews	Search Delta flights
American Airlines	PriceFrom $812	Free cancellation	Rating 7.1 11,990 reviews	Search American Airlines flights
Virgin Australia	PriceFrom $945	Free cancellation	Rating 7.6 472 reviews	Search Virgin Australia flights
Qantas Airways	PriceFrom $1,051	Free cancellation	Rating 7.5 1,085 reviews	Search Qantas Airways flights
United Airlines	PriceFrom $1,102	Free cancellation	Rating 7.4 10,115 reviews	Search United Airlines flights
Air Canada	PriceFrom $1,140	Free cancellation	Rating 7.1 11,519 reviews	Search Air Canada flights
Singapore Airlines	PriceFrom $1,492	Free cancellation	Rating 8.2 1,585 reviews	Search Singapore Airlines flights
Japan Airlines	PriceFrom $1,831	Free cancellation	Rating 8.3 1,908 reviews	Search Japan Airlines flights

Leavenworth

SeaTac

Why use momondo?

Why should I use momondo to find a flight deal from Melbourne to Seattle?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Melbourne to Seattle. momondo saves you time and could save you money on your trip.

Can I find flights from Melbourne to Seattle with flexible booking policies on momondo?

momondo does allow users to show only those flights to Seattle from Melbourne which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Melbourne to Seattle?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Melbourne to Seattle.

I’m not ready to book a flight from Melbourne to Seattle right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Seattle from Melbourne. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Seattle trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

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Cheap flights from Melbourne to Seattle from $799

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Melbourne to Seattle departing on 28/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Delta flights from Melbourne to Seattle

Our best Delta deals on Melbourne to Seattle flight tickets

Qatar Airways flights from Melbourne to Seattle

Our best Qatar Airways deals on Melbourne to Seattle flight tickets

momondo Fare Finder

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

See travel insights to Seattle from

How to get the cheapest flight ticket from Melbourne to Seattle

What is the typical price of a round-trip flight between Melbourne and Seattle?

What is the cheapest month to fly to Seattle?

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

What is the cheapest airline that flies from Melbourne to Seattle/Tacoma Intl?

Which airlines fly to Seattle?

Cheap Melbourne to Seattle flight deals and tips

Best price found

Fastest flight time

Direct flights

Frequently asked questions about flying from Melbourne to Seattle

Best airlines flying from Melbourne to Seattle

Compare and see reviews for airlines that fly from Melbourne to Seattle with momondo

Travelling to a place near Seattle?

Why use momondo?

An easier way to manage your Seattle trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing Washington

Fly your favourite airline to Seattle

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Seattle

List of cabin classes available on flights landing in Seattle. Availability may vary depending on flight origin and airline.

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Popular flights according to clicks in the last 7 days on momondo

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