Which airlines fly to Seattle?

Based on our data, the most popular airlines that fly to Seattle from Australia are United Airlines, Air Canada, Singapore Airlines and Qantas Airways. There may also be other airline options depending on where in Australia you’re flying from.

EVA Air Flights to Seattle

EVA Air operates around 10 flights into Seattle in any given week. The most common departure point for these flights was from Taipei City Taiwan Taoyuan Intl, with the best return EVA Air deal found being $1,318 (Brisbane to Seattle). Users have rated EVA Air 8.4/10 in over 1,276 reviews on momondo.

ANA Flights to Seattle

ANA flight deals to Seattle start from $1,589 - this is the best price found recently on momondo, and was a return journey departing from Perth. Over any normal week, ANA flight prices are typically higher, but vary depending on where you fly from - San Francisco is the most popular ANA departure point to Seattle so generally has the most availability. ANA is scored a 8.4/10 in 1,004 reviews.

How long does it take to fly to Seattle?

The flight from Australia to Seattle depends on which airports you’re departing from and arriving to, and whether or not you have a layover. If you fly from Sydney Kingsford Smith (a popular airport in Australia) to Seattle/Tacoma Intl (the most popular airport in Seattle), then the flight time is 17h 27m on average. If you fly from Melbourne (another popular airport in Australia) to Seattle/Tacoma Intl, then the average flight time is 21h 53m.

$615 Cheap Flights to Seattle in 2025/26

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09:45 - 09:31BNE-SEA

16h 46m1 stop

15:40 - 07:45SEA-BNE

23h 05m1 stop

$984Air Canada

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Mon, 16 Mar - Sat, 21 Mar

05:35 - 15:01BNE-SEA

26h 26m2 stops

05:50 - 07:45SEA-BNE

32h 55m1 stop

$1,017Air Canada

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Mon, 16 Mar - Sat, 21 Mar

10:30 - 18:09MEL-SEA

25h 39m2 stops

11:05 - 08:15SEA-MEL

28h 10m2 stops

$1,219United Airlines

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Wed, 25 Mar - Tue, 5 May

13:00 - 00:59MEL-SEA

30h 59m1 stop

23:59 - 09:30SEA-MEL

38h 31m2 stops

$1,221United Airlines

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Fri, 26 Dec - Fri, 2 Jan

11:45 - 20:58CNS-SEA

26h 13m2 stops

16:50 - 14:05SEA-CNS

28h 15m2 stops

$1,545Qantas Airways

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Wed, 11 Mar - Sun, 15 Mar

17:35 - 20:58CNS-SEA

44h 23m2 stops

16:50 - 14:05SEA-CNS

28h 15m2 stops

$1,547Qantas Airways

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Wed, 11 Mar - Sun, 15 Mar

21:50 - 16:52MEL-SEA

38h 02m2 stops

12:35 - 14:15SEA-MEL

30h 40m2 stops

$1,626Virgin Australia

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Sun, 21 Dec - Sat, 3 Jan

13:00 - 00:50MEL-SEA

30h 50m1 stop

17:11 - 15:15SEA-MEL

27h 04m2 stops

$1,628Virgin Australia

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Wed, 10 Dec - Wed, 17 Dec

10:15 - 08:10ADL-SEA

39h 25m1 stop

09:45 - 08:50SEA-ADL

29h 35m1 stop

$1,920Singapore Airlines

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Wed, 11 Mar - Sun, 15 Mar

10:15 - 08:10ADL-SEA

39h 25m1 stop

09:45 - 08:50SEA-ADL

29h 35m1 stop

$1,922Singapore Airlines

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Wed, 11 Mar - Sun, 15 Mar

Fly from

Route

Depart

Return

Price

BrisbaneSeattle

BNE - SEA

BNESEA

Brisbane

Mon 16/3

09:45-09:31

1 stop16h 46m

Seattle/Tacoma Intl

Sat 21/3

15:40-07:45

1 stop23h 05m

$984

BrisbaneSeattle

BNE - SEA

BNESEA

Brisbane

Mon 16/3

05:35-15:01

2 stops26h 26m

Seattle/Tacoma Intl

Sat 21/3

05:50-07:45

1 stop32h 55m

$1,017

MelbourneSeattle

MEL - SEA

MELSEA

Melbourne

Wed 25/3

10:30-18:09

2 stops25h 39m

Seattle/Tacoma Intl

Tue 5/5

11:05-08:15

2 stops28h 10m

$1,219

MelbourneSeattle

MEL - SEA

MELSEA

Melbourne

Fri 26/12

13:00-00:59

1 stop30h 59m

Seattle/Tacoma Intl

Fri 2/1

23:59-09:30

2 stops38h 31m

$1,221

CairnsSeattle

CNS - SEA

CNSSEA

Cairns

Wed 11/3

11:45-20:58

2 stops26h 13m

Seattle/Tacoma Intl

Sun 15/3

16:50-14:05

2 stops28h 15m

$1,545

CairnsSeattle

CNS - SEA

CNSSEA

Cairns

Wed 11/3

17:35-20:58

2 stops44h 23m

Seattle/Tacoma Intl

Sun 15/3

16:50-14:05

2 stops28h 15m

$1,547

MelbourneSeattle

MEL - SEA

MELSEA

Melbourne

Sun 21/12

21:50-16:52

2 stops38h 02m

Seattle/Tacoma Intl

Sat 3/1

12:35-14:15

2 stops30h 40m

$1,626

MelbourneSeattle

MEL - SEA

MELSEA

Melbourne

Wed 10/12

13:00-00:50

1 stop30h 50m

Seattle/Tacoma Intl

Wed 17/12

17:11-15:15

2 stops27h 04m

$1,628

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Wed 11/3

10:15-08:10

1 stop39h 25m

Seattle/Tacoma Intl

Sun 15/3

09:45-08:50

1 stop29h 35m

$1,920

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Wed 11/3

10:15-08:10

1 stop39h 25m

Seattle/Tacoma Intl

Sun 15/3

09:45-08:50

1 stop29h 35m

$1,922

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

Seattle flights insights and trends

Explore insights for your Seattle flight to craft the best travel plan

Prices

Other information

What is the cheapest month to fly to Seattle?

The month of August is, on average, the cheapest month to fly to Seattle from Australia, with most prices found around $1,395. If you are unable to visit Seattle during the month of August, then departing from Australia during the month September is also very affordable. Most momondo users find prices during this month for around $1,489.

What is the cheapest day to depart on your flight to Seattle?

The cheapest day to depart from Australia to Seattle is on a Thursday. Travellers who choose to depart for Seattle on a Thursday will often find tickets for as low as $1,574. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Australia to Seattle for around $1,809.

What is the cheapest time of day to depart on your flight to Seattle?

According to our data, the cheapest time of day to fly to Seattle is at midday. momondo users have found flights departing from Australia to Seattle at midday for as low as $1,500. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In contrast, the most expensive time of day to depart to Seattle is in the afternoon when prices are around $1,831.

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

You are more likely to see cheaper flights to Seattle from Australia when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $1,699 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 Australia for as low as $1,368 on momondo.

Cheapest flights to Seattle/Tacoma Intl

Find the cheapest flights to Seattle/Tacoma Intl from your nearest city or airport

Find flights from Sydney to Seattle

CHEAPEST MONTH TO FLY TO SEATTLE FROM SYDNEY	August	18% cheaper	Flying from Sydney to Seattle costs on average just $1,395 in August
MOST EXPENSIVE MONTH TO FLY TO SEATTLE FROM SYDNEY	July	23% more expensive	It costs about $2,093 for flights to Seattle from Sydney in July
MOST POPULAR MONTH TO FLY TO SEATTLE FROM SYDNEY	June	554% more users visited	More momondo users searched in flights to Seattle from Sydney in June than any other month

Cheap Seattle flight deals and tips

Summary info about Seattle flight prices, duration and airlines

Best One-Way Price	$615
Best Round-Trip Price	$984
Fastest flight time	16h 46m
Popular in	April

The best one-way flight price to Seattle from Australia in the last 72 hours is $615 (Brisbane to Seattle/Tacoma Intl).

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The best round-trip flight price to Seattle from Australia in the last 72 hours is $984 (Brisbane to Seattle/Tacoma Intl).

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The fastest flight to Seattle from Australia takes 16h 46m (Brisbane to Seattle/Tacoma Intl).

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April has the highest demand for flights to Seattle, with a 3% price increase on average.

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Frequently asked questions about flying to Seattle

What is there to do in Seattle when it’s raining?

When planning your flight to Seattle, it is important to be aware that some months are not as ideal as others. Specifically, the months of January, November, or December could carry a higher chance of rain, as Seattle sees up to 5.1 inches (130 mm) or more. There are still things to do in Seattle even when it's raining, but be aware that rain is highly probable in the area. For those looking to get out of the rain and do a little shopping, check out Westlake Center.

When is it best to fly to Seattle to go sightseeing?

The city of Seattle has many sights to see while visiting. Many tourists find it ideal to go sightseeing when the weather is warmer, but not blistering. Consider booking your flight to Seattle for October, when temperatures are a bit higher and the chance of rain is relatively low. Many travellers find it worthwhile to visit Space Needle and Seattle Waterfront.

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

The ideal time to book your flight to Seattle is 39 days in advance, when prices tend to average $1,699. Keep in mind that you might also find cheap flights to Seattle outside of this time window. In fact, momondo users recently found flights from Australia to Seattle for $978.

Is there an alternative airport near Seattle?

Seattle Lake Union Spb Airport, Seattle King County/Boeing Airport, Kenmore Air Harbor Airport, Everett Paine Field Airport or Lopez Island Airport can be an alternative airport used for travel to Seattle.

Is there a cheaper alternative to flying into Seattle?

The cheapest airport near Seattle is typically Everett Paine Field Airport, with an average price of $303/person. These prices vary based on where travellers are coming from. It is suggested that travellers looking to save money try momondo’s Airport-to-Airport Pricing Tool.

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

Prices for flights to Seattle/Tacoma Intl Airport are refreshed on a daily basis.

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

As of November 2025, there are 16 operators available to choose from for flights to Seattle/Tacoma Intl Airport.

How old do you have to be to fly 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 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.

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

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

How can momondo help me find flights to Seattle?

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If you are simply researching potential flights to Seattle, momondo offers a useful price alert feature which will track prices for flights to Seattle and alert you when they change.