C$405 Cheap Flights from Seattle (SEAA) to Newcastle (NCL)

Compare Seattle to Newcastle flight deals

Find the cheapest month or even day of the year to fly to Newcastle

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Flight deals from Seattle to Newcastle Airport

Looking for a cheap last-minute deal or the best return flight from Seattle to Newcastle Airport? If you want to travel next month, return fares start from C$1,090. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Seattle to Newcastle

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

Seattle to Newcastle: Alternative routes

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

Seattle to Newcastle: Flight information

The things to know before you go.
Cheapest flight foundC$405
Cheapest month to flyMay

Finding cheap flights from Seattle to Newcastle: Frequently asked questions

The best price we found for a return flight from Seattle to Newcastle is C$1,090. 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.
Currently, there are no airlines that fly direct from Seattle to Newcastle. But we found flights with one stop from C$1,090.
As of April 2026, there are no flights flying from Seattle to Newcastle.
The cheapest month to fly from Seattle to Newcastle is usually May.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Seattle to Newcastle Airport on Wednesday, May 13, 2026.
No airlines currently offer direct flights between Seattle and Newcastle Airport. Most routes have one or more stops.
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 Newcastle 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.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Newcastle is around 40 days in advance, so don’t leave your flight to the last minute.
The cheapest airline that flies to Newcastle is Icelandair .

Flying from Seattle to Newcastle International Airport (NCL): what you need to know

  • Get your vacation planning started by considering where you'll take off for your flight from Seattle to Newcastle International Airport (NCL). Seattle-Tacoma International Airport (SEA) and Lake Union Sea Plane Base (LKE) are Seattle's main airports.

  • Newcastle is 7 hours ahead of Seattle. Newcastle International Airport is located in Newcastle, which operates on the UTC+0 timezone.

  • Arriving two hours before an international flight and one hour ahead of a domestic departure are travel rules to live by. Show up at the airport on time to board your flight from Seattle to NCL.

  • July is a busy month for air travel. If you're taking off then or around a major holiday like Thanksgiving, show up even earlier. Aim for at least two hours ahead for domestic flights and as much as four hours for international journeys.

Airports in Seattle

Seattle-Tacoma International Airport (SEA)

  • Think about adding a stopover to potentially find a cheaper flight from Seattle to NCL. Just uncheck 'Direct flights only' when browsing departures from Seattle-Tacoma International Airport (SEA). Take a pause at one of these popular options:

    • Keflavik International Airport (KEF)

    • London Heathrow Airport (LHR)

    • Charles de Gaulle Airport (CDG)

  • SEA is about 23 kilometres from the centre of Seattle. To help you work out how to get there, use Google Maps. This essential travel app will show you the fastest route and available public transport options.

  • In search of a convenient hotel near Seattle-Tacoma International Airport? If you've booked an early flight from Seattle to Newcastle International Airport, these accommodation options will put you moments from your check-in counter:

Lake Union Sea Plane Base (LKE)

  • Make the most of your vacation with a stopover on your flight from Seattle to Newcastle International Airport. Visit family or friends or cross another city off your list. Whatever you'd like to do, here's where you can stop between Lake Union Sea Plane Base and NCL:

    • London Heathrow Airport (LHR)

    • Charles de Gaulle Airport (CDG)

    • Amsterdam Airport Schiphol Airport (AMS)

  • LKE is about 3 kilometres from central Seattle. It takes 11 minutes or so to get to the airport by car from the city centre. Public transport takes approximately 23 minutes.

  • Get a head start on your vacation with an extra night away from home. Before your flight from Seattle to NCL, take it easy in one of these hotels close to Lake Union Sea Plane Base:

About Newcastle International Airport (NCL)

Getting from Newcastle International Airport (NCL) to central Newcastle

  • Newcastle International Airport is approximately 11 kilometres from the centre of Newcastle. With your own car rental or if you're catching a cab, the drive is around 16 minutes.

  • It'll take around 31 minutes if you're travelling on public transport.

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

  • For a one-way ticket from Seattle to Newcastle International Airport, C$405 is the best price we've seen. You can also book a return flight from just C$1,095. These are the lowest fares right now but could change based on availability.

  • To pick up flight tickets from Seattle to NCL, book ahead. Airlines usually offer their most competitively priced fares when flights are first made available.

  • If you're flexible with your trip dates, use the 'Whole month' tool. It'll find the lowest price in each month when searching for your ticket from Seattle to Newcastle International Airport.

  • Create a Price Alert and keep track of changes on this route through email or push notifications. You'll be the first to know when prices drop. Good timing makes all the difference when searching for flight tickets from Seattle to NCL.

  • Use the filters to tailor your flights from Seattle to Newcastle International Airport. Enter your ideal arrival and departure times, airlines and number of stops. You can also sort your results by 'Cheapest' to get the best deals.

The best time to fly from Seattle to Newcastle International Airport (NCL)

  • June is the most popular month to hop on a flight from Seattle to Newcastle International Airport while February is the quietest. To work out the ideal time to go to Newcastle, consider your preferred travel pace and style.

  • When booking your flight from Seattle to NCL, think about the kind of weather you enjoy. July is the warmest month in Newcastle, with the temperature ranging from 10ºC to 21ºC.

  • Search for cheap flights from Seattle to Newcastle International Airport in January if you want to travel in cooler conditions. Temperatures are at their lowest then, ranging between 0ºC and 7ºC on average.

More about Newcastle

Complete your Newcastle trip with a car rental

  • Select one of our car rentals in Newcastle and see the city on your own terms. Easily compare rates from trusted rental companies in one go after booking your hotel and cheap flights from Seattle to Newcastle International Airport.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.