Which stopover airport has the shortest travel time from Sydney to Seattle?

Flights connecting via Nadi (NAN) have the shortest average one-way travel time: 16h 50m.

Which stopover airport offers the lowest fares from Sydney to Seattle?

Flights via Nadi (NAN) offer the lowest average return price of $974.

Which airlines fly to Seattle?

Air Canada, United Airlines and Qantas Airways are the top three most popular airlines that fly to Seattle from Sydney according to our data. Air Canada is the first choice among our users, with 51% 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.

Which stopover airport has the shortest connection time from Sydney to Seattle?

Honolulu (HNL) has the shortest average stopover time for this route: 1h 45m.

Which airport is the most popular for stopovers for flights between Sydney and Seattle?

Vancouver (YVR) was the most common stop: 55% of momondo users choosing one-stop flights on this route connected there.

What is the cheapest airline that flies from Sydney Kingsford Smith to Seattle/Tacoma Intl?

Delta and United Airlines are the most popular carriers operating from Sydney Kingsford Smith to Seattle/Tacoma Intl

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

Prices for flights from Sydney Kingsford Smith Airport to Seattle/Tacoma Intl Airport refresh daily.

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

The number of operators available for flights from Sydney Kingsford Smith Airport to Seattle/Tacoma Intl Airport is 7 as of August 2026.

How old do you have to be to fly from Sydney Kingsford Smith Airport to Seattle/Tacoma Intl Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Sydney Kingsford Smith Airport to Seattle/Tacoma Intl Airport.

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

The necessary travel and health documents for your Seattle/Tacoma Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$838 Cheap Flights from Sydney to Seattle in 2026

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Find the cheapest flights from Sydney to Seattle

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One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

10:20 - 18:32SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

26h 12m1 stop Vancouver Intl

19:15 - 08:20SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

19h 05m1 stop Vancouver Intl

$1,381Air Canada

Mon, 5 Oct - Mon, 12 Oct

20:45 - 21:29SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

17h 44m1 stop Honolulu

11:55 - 18:50SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

36h 55m1 stop Honolulu

$1,402Alaska Airlines

Sat, 19 Sep - Sun, 4 Oct

10:20 - 10:05SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

17h 45m1 stop Vancouver Intl

19:15 - 12:40SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

23h 25m2 stops Vancouver Intl Brisbane

$1,408Air Canada

Mon, 5 Oct - Mon, 12 Oct

11:20 - 11:37SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

19h 17m1 stop Vancouver Intl

19:05 - 09:35SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

19h 30m1 stop Vancouver Intl

$1,462Multiple Airlines

Wed, 10 Feb - Thu, 25 Feb

10:40 - 10:35SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

18h 55m1 stop Los Angeles Los Angeles

19:35 - 05:50SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

63h 15m2 stops Salt Lake City Los Angeles Los Angeles

$1,659Delta

Wed, 17 Feb - Fri, 12 Mar

10:40 - 10:35SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

18h 55m1 stop Los Angeles Los Angeles

19:35 - 05:50SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

63h 15m2 stops Salt Lake City Los Angeles Los Angeles

$1,659Delta

Thu, 11 Feb - Fri, 12 Mar

09:10 - 12:25SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

20h 15m1 stop Los Angeles Los Angeles

12:55 - 07:05SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

25h 10m1 stop Los Angeles Los Angeles

$1,669American Airlines

Thu, 17 Sep - Mon, 28 Sep

09:10 - 16:42SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

24h 32m2 stops Los Angeles Los Angeles Dallas/Fort Worth

17:02 - 07:05SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

21h 03m1 stop Los Angeles Los Angeles

$1,669American Airlines

Thu, 17 Sep - Mon, 28 Sep

09:30 - 15:39SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

23h 09m1 stop Los Angeles Los Angeles

12:16 - 07:00SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

25h 44m1 stop Los Angeles Los Angeles

$1,699United Airlines

Tue, 15 Sep - Wed, 30 Sep

09:30 - 19:15SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

26h 45m2 stops Los Angeles Los Angeles Chicago O'Hare Intl

05:00 - 07:00SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

33h 00m2 stops Denver Intl Los Angeles Los Angeles

$1,699United Airlines

Tue, 15 Sep - Wed, 30 Sep

Cheap last-minute flights

Enter your travel dates to find the best prices.

09:20 - 22:42SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

30h 22m1 stop Vancouver Intl

10:50 - 07:20SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

27h 30m1 stop Vancouver Intl

$1,576Air Canada

Tue, 25 Aug - Wed, 9 Sep

09:10 - 16:32SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

24h 22m1 stop Los Angeles Los Angeles

17:02 - 07:05SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

21h 03m1 stop Los Angeles Los Angeles

$1,602American Airlines

Thu, 27 Aug - Thu, 10 Sep

09:20 - 18:32SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

26h 12m1 stop Vancouver Intl

19:15 - 10:40SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

22h 25m2 stops Vancouver Intl Brisbane

$1,602Air Canada

Tue, 25 Aug - Tue, 8 Sep

10:20 - 14:24SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

21h 04m1 stop San Francisco

16:45 - 07:00SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

21h 15m1 stop Los Angeles Los Angeles

$1,686United Airlines

Mon, 24 Aug - Tue, 8 Sep

10:20 - 11:26SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

18h 06m1 stop San Francisco

12:44 - 07:00SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

25h 16m2 stops Denver Intl Los Angeles Los Angeles

$1,686United Airlines

Tue, 25 Aug - Sun, 13 Sep

09:15 - 18:44SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

26h 29m2 stops Los Angeles Los Angeles Salt Lake City

13:24 - 06:50SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

24h 26m2 stops Salt Lake City Los Angeles Los Angeles

$2,203Delta

Tue, 25 Aug - Wed, 9 Sep

09:15 - 14:50SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

22h 35m2 stops Los Angeles Los Angeles Salt Lake City

13:24 - 06:50SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

24h 26m2 stops Salt Lake City Los Angeles Los Angeles

$2,203Delta

Wed, 26 Aug - Thu, 10 Sep

08:55 - 11:22SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

67h 27m2 stops Tokyo Haneda San Francisco

12:27 - 06:20SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

48h 53m2 stops San Francisco Tokyo Haneda

$2,672Japan Airlines

Mon, 24 Aug - Sun, 6 Sep

08:55 - 23:59SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

56h 04m2 stops Tokyo Haneda Los Angeles Los Angeles

12:27 - 06:20SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

48h 53m2 stops San Francisco Tokyo Haneda

$2,720Japan Airlines

Wed, 26 Aug - Sun, 6 Sep

20:55 - 14:25SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

34h 30m1 stop Tokyo Haneda

16:30 - 19:10SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

33h 40m1 stop Tokyo Haneda

$7,955ANA

Sun, 23 Aug - Thu, 27 Aug

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Air Canada flights from Sydney to Seattle

Our best Air Canada deals on Sydney to Seattle flight tickets

Air Canada

5 Oct

SYD10:20Sydney Kingsford Smith

26h 12m

1 stop

SEA18:32Seattle/Tacoma Intl

12 Oct

SEA19:15Seattle/Tacoma Intl

19h 05m

1 stop

SYD08:20Sydney Kingsford Smith

$1,381

Air Canada

5 Oct

SYD10:20Sydney Kingsford Smith

17h 45m

1 stop

SEA10:05Seattle/Tacoma Intl

12 Oct

SEA19:15Seattle/Tacoma Intl

23h 25m

2 stops

SYD12:40Sydney Kingsford Smith

$1,408

Air Canada

30 Nov

SYD11:20Sydney Kingsford Smith

26h 02m

1 stop

SEA18:22Seattle/Tacoma Intl

1 Dec

SEA19:05Seattle/Tacoma Intl

19h 30m

1 stop

SYD09:35Sydney Kingsford Smith

$1,426

United Airlines flights from Sydney to Seattle

Our best United Airlines deals on Sydney to Seattle flight tickets

United Airlines

25 Aug

SYD09:30Sydney Kingsford Smith

25h 12m

2 stops

SEA17:42Seattle/Tacoma Intl

9 Sept

SEA18:52Seattle/Tacoma Intl

19h 08m

1 stop

SYD07:00Sydney Kingsford Smith

$1,686

United Airlines

26 Aug

SYD10:20Sydney Kingsford Smith

21h 04m

1 stop

SEA14:24Seattle/Tacoma Intl

8 Sept

SEA15:30Seattle/Tacoma Intl

22h 25m

1 stop

SYD06:55Sydney Kingsford Smith

$1,690

United Airlines

29 Aug

SYD10:20Sydney Kingsford Smith

22h 54m

1 stop

SEA16:14Seattle/Tacoma Intl

14 Sept

SEA15:30Seattle/Tacoma Intl

22h 25m

1 stop

SYD06:55Sydney Kingsford Smith

$1,754

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Mon 5/10

10:20-18:32

1 stop26h 12m

Seattle/Tacoma Intl

Mon 12/10

19:15-08:20

1 stop19h 05m

$1,381

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Sat 19/9

20:45-21:29

1 stop17h 44m

Seattle/Tacoma Intl

Sun 4/10

11:55-18:50

1 stop36h 55m

$1,402

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Mon 5/10

10:20-10:05

1 stop17h 45m

Seattle/Tacoma Intl

Mon 12/10

19:15-12:40

2 stops23h 25m

$1,408

Fastest return journey

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Wed 10/2

11:20-11:37

1 stop19h 17m

Seattle/Tacoma Intl

Thu 25/2

19:05-09:35

1 stop19h 30m

$1,462

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Wed 17/2

10:40-10:35

1 stop18h 55m

Seattle/Tacoma Intl

Fri 12/3

19:35-05:50

2 stops63h 15m

$1,659

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Thu 11/2

10:40-10:35

1 stop18h 55m

Seattle/Tacoma Intl

Fri 12/3

19:35-05:50

2 stops63h 15m

$1,659

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Thu 17/9

09:10-12:25

1 stop20h 15m

Seattle/Tacoma Intl

Mon 28/9

12:55-07:05

1 stop25h 10m

$1,669

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Thu 17/9

09:10-16:42

2 stops24h 32m

Seattle/Tacoma Intl

Mon 28/9

17:02-07:05

1 stop21h 03m

$1,669

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Tue 15/9

09:30-15:39

1 stop23h 09m

Seattle/Tacoma Intl

Wed 30/9

12:16-07:00

1 stop25h 44m

$1,699

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Tue 15/9

09:30-19:15

2 stops26h 45m

Seattle/Tacoma Intl

Wed 30/9

05:00-07:00

2 stops33h 00m

$1,699

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 Sydney 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

Stopovers

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

Prices are currently typical for flights on this route.

Typical prices usually range from $1,232 to $1,668.
The lowest price recently found on this route was $1,266.

What is the cheapest month to fly to Seattle?

The month of August is, on average, the cheapest month to fly to Seattle from Sydney, with most prices found around $1,381. If you are unable to visit Seattle during the month of August, then departing from Sydney during the month March is also very affordable. Most momondo users find prices during this month for around $1,394.

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

You are more likely to see cheaper flights to Seattle from Sydney when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $1,527 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 Sydney for as low as $953 on momondo.

Can stopping save me money on Sydney to Seattle flights?

You could potentially save up to 13% on your flight if you consider stops on a Sydney to Seattle flight.

How have Sydney to Seattle flight prices changed over time?

As of August 2026, prices for Sydney to Seattle flights are approximately 16% cheaper when compared to flights at the same time last year.

When to book flights from Sydney to Seattle

Are you open to changing your travel dates? Check out the ideal times to fly from Sydney to Seattle according to our flight data. Find out which month and days have the cheapest flights.

Estimated return price

Cheap Sydney to Seattle (SYD to SEA) flight deals and tips

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

Best price found	$838
Fastest flight time	17h 44m
Direct flights	None

The best one-way flight to Seattle from Sydney in the past 72 hours is $838. The best return flight deal from Sydney to Seattle found on momondo in the last 72 hours is $1,381.

The fastest flight from Sydney to Seattle takes 17h 44m

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

Search flight deals

Frequently asked questions about flying from Sydney to Seattle

How far is Sydney Kingsford Smith to Seattle/Tacoma Intl by plane?
There are 12462.2 km between Sydney Kingsford Smith and Seattle/Tacoma Intl. A reasonable flight in good conditions will take 17h 44m.
When did momondo last update prices for flights from Sydney Kingsford Smith Airport to Seattle/Tacoma Intl Airport?
Prices for flights from Sydney Kingsford Smith Airport to Seattle/Tacoma Intl Airport refresh daily.
How many operators does momondo search for flights from Sydney Kingsford Smith Airport to Seattle/Tacoma Intl Airport?
The number of operators available for flights from Sydney Kingsford Smith Airport to Seattle/Tacoma Intl Airport is 7 as of August 2026.
How old do you have to be to fly from Sydney Kingsford Smith Airport to Seattle/Tacoma Intl Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Sydney Kingsford Smith Airport to Seattle/Tacoma Intl Airport.
What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?
The necessary travel and health documents for your Seattle/Tacoma Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Sydney to Seattle?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Sydney to Seattle is Air Canada (44% of total bookings). The next most popular airlines are United Airlines (24%), Qantas Airways (10%), and Hawaiian Airlines (8%).

Best airlines flying from Sydney to Seattle

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

Airline	Rating	Free cancellation	Price
Hawaiian Airlines	PriceFrom $1,026	Free cancellation	Rating 7.8 2,817 reviews	Search Hawaiian Airlines flights
Air Canada	PriceFrom $1,117	Free cancellation	Rating 7.1 11,514 reviews	Search Air Canada flights
United Airlines	PriceFrom $1,165	Free cancellation	Rating 7.4 10,106 reviews	Search United Airlines flights
Delta	PriceFrom $1,171	Free cancellation	Rating 7.8 8,513 reviews	Search Delta flights
Qantas Airways	PriceFrom $1,185	Free cancellation	Rating 7.5 1,084 reviews	Search Qantas Airways flights
American Airlines	PriceFrom $1,231	Free cancellation	Rating 7.1 11,981 reviews	Search American Airlines flights
ANA	PriceFrom $1,280	Free cancellation	Rating 8.3 1,299 reviews	Search ANA flights

Leavenworth

SeaTac

Why use momondo?

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

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

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

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

How can momondo help me find flights from Sydney 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 Sydney to Seattle.

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

If you are simply researching potential flights to Seattle, momondo offers a useful price alert feature which will track prices for flights to Seattle from Sydney and alert you when they 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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Airports servicing Washington

Spokane Airport

Cheap flights from Sydney to Seattle from $838

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Sydney to Seattle departing on 17/11. 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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Air Canada flights from Sydney to Seattle

Our best Air Canada deals on Sydney to Seattle flight tickets

United Airlines flights from Sydney to Seattle

Our best United Airlines deals on Sydney to Seattle flight tickets

momondo Fare Finder

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

See travel insights to Seattle from

How to get the cheapest flight ticket from Sydney to Seattle

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

What is the cheapest month to fly to Seattle?

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

Can stopping save me money on Sydney to Seattle flights?

How have Sydney to Seattle flight prices changed over time?

What is the cheapest airline that flies from Sydney Kingsford Smith to Seattle/Tacoma Intl?

Which airlines fly to Seattle?

Which airport is the most popular for stopovers for flights between Sydney and Seattle?

Which stopover airport offers the lowest fares from Sydney to Seattle?

Which stopover airport has the shortest travel time from Sydney to Seattle?

Which stopover airport has the shortest connection time from Sydney to Seattle?

When to book flights from Sydney to Seattle

Cheap Sydney to Seattle (SYD to SEA) flight deals and tips

Best price found

Fastest flight time

Direct flights

Frequently asked questions about flying from Sydney to Seattle

Best airlines flying from Sydney to Seattle

Compare and see reviews for airlines that fly from Sydney 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.

Popular Cities in the United States

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

Fly to other destinations from Sydney

According to popular flight searches on momondo this year

Complete your trip to Seattle

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According to popular flight searches on momondo this year