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

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

How old do you have to be to fly from Seattle/Tacoma Intl Airport to Newcastle Williamtown 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 layovers 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 Seattle/Tacoma Intl Airport to Newcastle Williamtown Airport.

What documentation or ID do you need to fly to Newcastle Williamtown Airport?

The necessary travel and health documents for your Newcastle Williamtown 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 license 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.

$1,617 Cheap Flights from Seattle to Newcastle in 2025/26

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Find the cheapest flights from Seattle to Sydney

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6:01 am - 10:05 am

SEA

NTL

33h 04m2 stops

6:10 am - 6:57 pm

NTL

SEA

31h 47m2 stops

$1,617Qantas Airways

Thu, Feb 19 - Mon, Feb 23

6:01 am - 3:45 pm

SEA

NTL

38h 44m2 stops

6:10 am - 6:57 pm

NTL

SEA

31h 47m2 stops

$1,618Qantas Airways

Thu, Feb 19 - Mon, Feb 23

Qantas Airways flights from Seattle to Newcastle

Our best Qantas Airways deals on Seattle to Newcastle flight tickets

Qantas Airways

Feb 19

SEA6:01 amSeattle/Tacoma Intl

33h 04m

2 stops

NTL10:05 amNewcastle Williamtown

Feb 23

NTL6:10 amNewcastle Williamtown

31h 47m

2 stops

SEA6:57 pmSeattle/Tacoma Intl

$1,617

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Qantas Airways

Feb 19

SEA6:01 amSeattle/Tacoma Intl

38h 44m

2 stops

NTL3:45 pmNewcastle Williamtown

Feb 23

NTL6:10 amNewcastle Williamtown

31h 47m

2 stops

SEA6:57 pmSeattle/Tacoma Intl

$1,618

Find similar

Fly from

Fly to

Route

Depart

Return

Price

SeattleNewcastle

SEA - NTL

SEANTL

Seattle/Tacoma Intl

Thu 2/19

6:01 am-10:05 am

2 stops33h 04m

Newcastle Williamtown

Mon 2/23

6:10 am-6:57 pm

2 stops31h 47m

$1,617

SeattleNewcastle

SEA - NTL

SEANTL

Seattle/Tacoma Intl

Thu 2/19

6:01 am-3:45 pm

2 stops38h 44m

Newcastle Williamtown

Mon 2/23

6:10 am-6:57 pm

2 stops31h 47m

$1,618

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

How to get the cheapest flight ticket from Seattle to Newcastle

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

What airlines fly to Newcastle?

United Airlines, Air Canada and Alaska Airlines are the top three most popular airlines that fly to Newcastle from Seattle according to our data. United Airlines is the first choice among our users, with 34% of people opting to fly with this airline when traveling to Newcastle. Keep in mind that there are 9 different airlines that fly to Newcastle on a routine basis, so you have a few additional options to choose from.

When to book flights from Seattle to Newcastle

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

Estimated round-trip price

Cheap Seattle to Newcastle (SEA to NTL) flight deals and tips

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

Fastest flight time	38h 44m
Direct flights	None

The fastest flight from Seattle to Newcastle takes 38h 44m

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

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How far is Seattle/Tacoma Intl to Newcastle Williamtown by plane?
The distance between Seattle/Tacoma Intl and Newcastle Williamtown is about 7674.6 mi. By plane, this route typically takes 38h 44m.
When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Newcastle Williamtown Airport?
Prices for flights from Seattle/Tacoma Intl Airport to Newcastle Williamtown Airport are refreshed on a daily basis.
How old do you have to be to fly from Seattle/Tacoma Intl Airport to Newcastle Williamtown 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 layovers 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 Seattle/Tacoma Intl Airport to Newcastle Williamtown Airport.
What documentation or ID do you need to fly to Newcastle Williamtown Airport?
The necessary travel and health documents for your Newcastle Williamtown 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 license 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.

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Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Seattle to Newcastle. Millions of users trust and use momondo every year so you are in good hands.

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

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

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

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 Seattle to Newcastle.

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

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