Cheap flights from Newcastle to Seattle / Tacoma International

Compare Newcastle to Seattle / Tacoma International flight deals

Find the cheapest month or even day of the year to fly to Seattle / Tacoma International

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Flight deals from Newcastle to Seattle / Tacoma International

Looking for a cheap last-minute deal or the best round-trip flight from Newcastle Airport to Seattle / Tacoma International Airport? If you want to travel next month, round-trip fares start from $904. Find the lowest prices on one-way and round-trip tickets right here.

Seattle.$705 per passenger.Departing Tue, Jun 16, returning Fri, Sep 18.Round-trip flight with Ryanair and Icelandair.Outbound indirect flight with Ryanair, departing from Newcastle on Tue, Jun 16, arriving in Seattle / Tacoma International.Inbound indirect flight with Icelandair, departing from Seattle / Tacoma International on Fri, Sep 18, arriving in Newcastle.Price includes taxes and charges.From $705, select.

Seattle.$762 per passenger.Departing Mon, Jun 22, returning Mon, Jul 6.Round-trip flight with Ryanair and Air France.Outbound indirect flight with Ryanair, departing from Newcastle on Mon, Jun 22, arriving in Seattle / Tacoma International.Inbound indirect flight with Air France, departing from Seattle / Tacoma International on Mon, Jul 6, arriving in Newcastle.Price includes taxes and charges.From $762, select.

Seattle.$771 per passenger.Departing Wed, Jul 8, returning Mon, Jul 20.Round-trip flight with Ryanair and KLM.Outbound indirect flight with Ryanair, departing from Newcastle on Wed, Jul 8, arriving in Seattle / Tacoma International.Inbound indirect flight with KLM, departing from Seattle / Tacoma International on Mon, Jul 20, arriving in Newcastle.Price includes taxes and charges.From $771, select.

Seattle.$787 per passenger.Departing Fri, Aug 21, returning Mon, Aug 24.Round-trip flight with Ryanair and Icelandair.Outbound indirect flight with Ryanair, departing from Newcastle on Fri, Aug 21, arriving in Seattle / Tacoma International.Inbound indirect flight with Icelandair, departing from Seattle / Tacoma International on Mon, Aug 24, arriving in Newcastle.Price includes taxes and charges.From $787, select.

Seattle.$824 per passenger.Departing Wed, Aug 19, returning Wed, Sep 16.Round-trip flight with Ryanair and Icelandair.Outbound indirect flight with Ryanair, departing from Newcastle on Wed, Aug 19, arriving in Seattle / Tacoma International.Inbound indirect flight with Icelandair, departing from Seattle / Tacoma International on Wed, Sep 16, arriving in Newcastle.Price includes taxes and charges.From $824, select.

Seattle.$826 per passenger.Departing Wed, Jun 10, returning Tue, Aug 11.Round-trip flight with Ryanair and Icelandair.Outbound indirect flight with Ryanair, departing from Newcastle on Wed, Jun 10, arriving in Seattle / Tacoma International.Inbound indirect flight with Icelandair, departing from Seattle / Tacoma International on Tue, Aug 11, arriving in Newcastle.Price includes taxes and charges.From $826, select.

Seattle.$885 per passenger.Departing Sat, Sep 5, returning Wed, Sep 16.Round-trip flight with Ryanair and Aer Lingus.Outbound indirect flight with Ryanair, departing from Newcastle on Sat, Sep 5, arriving in Seattle / Tacoma International.Inbound indirect flight with Aer Lingus, departing from Seattle / Tacoma International on Wed, Sep 16, arriving in Newcastle.Price includes taxes and charges.From $885, select.

Seattle.$904 per passenger.Departing Wed, Jun 3, returning Tue, Jun 9.Round-trip flight with Jet2 and Air France.Outbound indirect flight with Jet2, departing from Newcastle on Wed, Jun 3, arriving in Seattle / Tacoma International.Inbound indirect flight with Air France, departing from Seattle / Tacoma International on Tue, Jun 9, arriving in Newcastle.Price includes taxes and charges.From $904, select.

Seattle.$921 per passenger.Departing Mon, Sep 21, returning Mon, Oct 19.Round-trip flight with Ryanair and Icelandair.Outbound indirect flight with Ryanair, departing from Newcastle on Mon, Sep 21, arriving in Seattle / Tacoma International.Inbound indirect flight with Icelandair, departing from Seattle / Tacoma International on Mon, Oct 19, arriving in Newcastle.Price includes taxes and charges.From $921, select.

Seattle.$943 per passenger.Departing Wed, Nov 4, returning Wed, Nov 11.Round-trip flight with British Airways.Outbound indirect flight with British Airways, departing from Newcastle on Wed, Nov 4, arriving in Seattle / Tacoma International.Inbound indirect flight with British Airways, departing from Seattle / Tacoma International on Wed, Nov 11, arriving in Newcastle.Price includes taxes and charges.From $943, select.

Seattle.$963 per passenger.Departing Mon, Jul 27, returning Mon, Aug 17.Round-trip flight with Ryanair and Icelandair.Outbound indirect flight with Ryanair, departing from Newcastle on Mon, Jul 27, arriving in Seattle / Tacoma International.Inbound indirect flight with Icelandair, departing from Seattle / Tacoma International on Mon, Aug 17, arriving in Newcastle.Price includes taxes and charges.From $963, select.

Seattle.$982 per passenger.Departing Thu, Mar 11, returning Thu, Mar 25.Round-trip flight with Delta.Outbound indirect flight with Delta, departing from Newcastle on Thu, Mar 11, arriving in Seattle / Tacoma International.Inbound indirect flight with Delta, departing from Seattle / Tacoma International on Thu, Mar 25, arriving in Newcastle.Price includes taxes and charges.From $982, select.

Seattle.$983 per passenger.Departing Thu, Oct 8, returning Mon, Oct 12.Round-trip flight with British Airways.Outbound indirect flight with British Airways, departing from Newcastle on Thu, Oct 8, arriving in Seattle / Tacoma International.Inbound indirect flight with British Airways, departing from Seattle / Tacoma International on Mon, Oct 12, arriving in Newcastle.Price includes taxes and charges.From $983, select.

Seattle.$985 per passenger.Departing Fri, Nov 27, returning Tue, Dec 1.Round-trip flight with British Airways.Outbound indirect flight with British Airways, departing from Newcastle on Fri, Nov 27, arriving in Seattle / Tacoma International.Inbound indirect flight with British Airways, departing from Seattle / Tacoma International on Tue, Dec 1, arriving in Newcastle.Price includes taxes and charges.From $985, select.

Seattle.$1,011 per passenger.Departing Thu, Dec 10, returning Wed, Dec 23.Round-trip flight with British Airways.Outbound indirect flight with British Airways, departing from Newcastle on Thu, Dec 10, arriving in Seattle / Tacoma International.Inbound indirect flight with British Airways, departing from Seattle / Tacoma International on Wed, Dec 23, arriving in Newcastle.Price includes taxes and charges.From $1,011, select.

Seattle.$1,019 per passenger.Departing Thu, Oct 29, returning Sat, Nov 7.Round-trip flight with British Airways.Outbound indirect flight with British Airways, departing from Newcastle on Thu, Oct 29, arriving in Seattle / Tacoma International.Inbound indirect flight with British Airways, departing from Seattle / Tacoma International on Sat, Nov 7, arriving in Newcastle.Price includes taxes and charges.From $1,019, select.

Find the cheapest month to fly from Newcastle to Seattle / Tacoma International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Newcastle to Seattle / Tacoma International flights are currently cheapest in July.

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Newcastle to Seattle / Tacoma International: Alternative routes

Compare routes from Newcastle to Seattle below. You may find an airport to fly into that's cheaper, faster, or easier than Seattle / Tacoma International.

Newcastle to Seattle: Flight information

The things to know before you go.

Cheapest flight found	$705
Cheapest month to fly	June

Finding cheap flights from Newcastle to Seattle / Tacoma International: Frequently asked questions

How much are round-trip flights from Newcastle to Seattle / Tacoma International?

The best price we found for a round-trip flight from Newcastle to Seattle / Tacoma International is $705. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.

Which airlines fly direct from Newcastle to Seattle / Tacoma International?

Currently, there are no airlines that fly direct from Newcastle to Seattle / Tacoma International. But we found flights with one or more stops from $705.

How many flights are there a week from Newcastle to Seattle / Tacoma International?

There are no flights flying from Newcastle to Seattle / Tacoma International, as of May 2026.

When is the cheapest time to fly from Newcastle to Seattle / Tacoma International?

The cheapest month to fly from Newcastle to Seattle / Tacoma International is usually June.

Which upcoming date is cheapest to fly from Newcastle Airport to Seattle / Tacoma International Airport on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Newcastle Airport to Seattle / Tacoma International Airport on Tuesday, June 16, 2026.

Can I get a direct flight from Newcastle Airport to Seattle / Tacoma International Airport?

No airlines currently offer direct flights between Newcastle Airport and Seattle / Tacoma International Airport. Most routes have one or more stops.

How can I find the best flight deal to Seattle / Tacoma International?

We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Seattle / Tacoma International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

Which is the cheapest airline to fly with from Newcastle Airport to Seattle / Tacoma International?

Currently, Ryanair offers the cheapest flight tickets to Seattle / Tacoma International.

Traveling from Newcastle International Airport (NCL) to Seattle-Tacoma International Airport (SEA): what you need to know

The timezone in Seattle is UTC-7, which is seven hours behind Newcastle.
Arriving two hours before an international flight and one hour ahead of a domestic departure are travel rules to live by. Make sure you're at the airport on time to board your NCL to SEA flight.
You can expect bigger queues in popular months such as June. Arriving up to four hours in advance for international flights and two hours for domestic departures is a good idea.
If you'd like to split up your journey, just deselect 'Direct flights only' when searching for your ticket from Newcastle International Airport to Seattle-Tacoma International Airport. Here are the most popular stopovers between NCL and SEA:
- London Heathrow Airport
- Charles de Gaulle Airport
- Amsterdam Airport Schiphol

How to find the cheapest flights from Newcastle International Airport (NCL) to Seattle-Tacoma International Airport (SEA)

The lowest price we've found for a one-way Newcastle International Airport to Seattle-Tacoma International Airport flight is $392. A round-trip plane ticket is currently $705. Depending on the availability and when you book, these fares could change.
It's usually smart to book in advance if you want to get cheap tickets from NCL to SEA. That's because flight prices are based on demand, which tends to increase closer to the date of departure.
Finding cheap flights from Newcastle International Airport to Seattle-Tacoma International Airport is easy if you're flexible with your trip dates. Use the 'Whole month' search tool to see the lowest prices across the month and score a great deal.
There's no need to check back in every day to see if fares have gone down when you set up a Price Alert. We'll send you an update the moment a special offer becomes available on cheap flights from NCL to SEA.
Tailor your flights using filters. Pick your preferred arrival and departure times, total journey duration and airlines. You can also sort the results by 'Cheapest,' 'Fastest' or 'Best' flights from Newcastle International Airport to Seattle-Tacoma International Airport.

Handy information about Newcastle International Airport (NCL)

Of all flights departing from Newcastle International Airport, 71.29% land on time at their destination.
Newcastle International Airport is about 11 kilometers from central Newcastle. If you're driving, ride-sharing or catching a cab from the center, it'll take you 15 minutes or so to arrive, depending on the traffic.
Catching public transport? Expect a journey time of around 30 minutes.
Searching for a convenient hotel close to NCL? If you've booked an early flight from Newcastle International Airport to Seattle-Tacoma International Airport, these stays will put you moments from your check-in counter:

Arriving at Seattle-Tacoma International Airport (SEA)

If you're landing on a late Newcastle International Airport to Seattle-Tacoma International Airport flight, nothing beats the convenience of staying near the terminal. Grab your luggage from the carousel and then be resting not long after at one of these accommodation options near SEA:
Travel at your own pace with a Seattle-Tacoma International Airport rental car. Book your wheels from Thrifty, Europcar or Budget and see more of Seattle and beyond.
Booking your ride from Seattle-Tacoma International Airport around one week in advance gives you the best shot at securing a great deal.

Getting from Seattle-Tacoma International Airport (SEA) to central Seattle

From Seattle-Tacoma International Airport, Seattle is approximately 23 kilometers away. It takes around 20 minutes to get to the center driving.
Getting to the center on public transport will take you roughly 55 minutes.

When to fly to Seattle-Tacoma International Airport (SEA)

It's time to pick your dates for your flight from Newcastle International Airport to Seattle-Tacoma International Airport. July is the most popular month to head to Seattle. If you'd like a more low-key vibe, go in May.
The warmest month in Seattle is August, with the temperature ranging between 12ºC (54ºF) and 28ºC (82ºF). Book your flights from Newcastle International Airport to Seattle-Tacoma International Airport in this month if this is the kind of weather you like.
February has average temperatures of between -1ºC (30ºF) and 11ºC (52ºF). Look for cheap tickets from NCL to SEA sometime then if you want to travel in cooler conditions.

Explore more of United States

Seattle has loads to offer, but there are so many other parts of United States just waiting to be discovered. Around 241 kilometers south of Seattle, a trip to Portland will keep your itinerary packed. Start with leading sights like Pioneer Courthouse Square, Portland Japanese Garden and Pittock Mansion.
Around 370 kilometers east of Seattle, Spokane is another favorite stop in United States. Experience this destination's highlights firsthand at Manito Park, Northwest Museum of Arts & Culture and Spokane Falls.