C$611 Cheap Flights from Newcastle (NCL) to Seattle (SEAA)

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Flight deals from Newcastle to Seattle

Looking for a cheap last-minute deal or the best return flight from Newcastle Airport to Seattle? If you want to travel next month, return fares start from C$998. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Newcastle to Seattle

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

Newcastle to Seattle: Flight information

The things to know before you go.
Cheapest flight foundC$611
Cheapest month to flyJune

Finding cheap flights from Newcastle to Seattle: Frequently asked questions

There are 4 airports in Seattle: Seattle Lake Union SPB, Seattle Boeing Fld, Seattle / Tacoma International, and Paine Field.
The best price we found for a return flight from Newcastle to Seattle is C$998. 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 Newcastle to Seattle. But we found flights with one or more stops from C$998.
As of May 2026, there are no flights flying from Newcastle to Seattle.
The cheapest month to fly from Newcastle to Seattle is usually June.
If you're flying from Newcastle Airport, the cheapest airport near Seattle is Seattle / Tacoma International – which is 19.5 km away from the centre of Seattle. We've found flights into this airport from C$998.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Newcastle Airport to Seattle on Sunday, June 14, 2026.
No airlines currently offer direct flights between Newcastle Airport and Seattle. 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 Seattle 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 Seattle is around 40 days in advance, so don’t leave your flight to the last minute.
In May, the average temperature is usually around 12°C. August is typically the warmest month in Seattle, when it usually averages around 23°C. You can expect the least rain in July. The coldest month is December, with temperatures averaging 0°C. The rainiest month is November.
Currently, Ryanair offers the cheapest flight tickets to Seattle.

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

  • Seattle is 7 hours behind Newcastle, where Newcastle International Airport is located. Seattle operates on the UTC-7 timezone.

  • To ensure you catch your flight from NCL to Seattle, allow plenty of time to check in and find your gate. Turning up two hours ahead of international departures and an hour before domestic flights is the general rule.

  • You'll likely experience bigger queues during popular months such as June and other peak seasons. Arriving up to fours hours ahead of an international flight and two hours for domestic departures is a wise move.

  • Consider adding a stopover to potentially find a cheaper flight from NCL to Seattle. Simply uncheck 'Direct flights only' when browsing the departures. Take a break from travelling at one of these popular options:

    • Amsterdam Airport Schiphol Airport (AMS)

    • London Heathrow Airport (LHR)

    • Charles de Gaulle Airport (CDG)

  • If you hold a passport from United Kingdom, you'll need an ETA to visit United States. This applies when booking a cheap ticket from Newcastle International Airport to Seattle for tourism purposes. Requirements may be different if you're travelling for work or other reasons. Always check the visa rules ahead of booking and certainly before flying.

  • The journey from central Newcastle to NCL takes about 31 minutes on public transport. If you drive, ride-share or get a cab, you'll cover the 11 kilometres in 16 minutes or so, depending on traffic conditions.

  • Want a hassle-free start to your vacation? Stay near NCL. Whether you've booked an early flight from Newcastle International Airport to Seattle or just don't like being rushed, these hotels are the answer:

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

  • C$611 is the best price for a one-way ticket from Newcastle International Airport to Seattle. Return flights start from C$998. These prices can change depending on availability.

  • Don't leave things to the last minute. You're more likely to find cheap tickets from NCL to Seattle if you book in advance. Airlines often offer some amazing early bird deals.

  • Finding cheap tickets from Newcastle International Airport to Seattle is easy if you're flexible with your trip dates. Use the 'Whole month' search tool to show the lowest fares across every month and score a great deal.

  • Finding a cheap ticket from NCL to Seattle couldn't be easier with Price Alerts. Simply create one of these automatic alerts and we'll let you know when there's a better deal.

  • Make the most of the filters to find your ideal trip. To see the 'Best,' 'Cheapest' or 'Fastest' flights from Newcastle International Airport to Seattle, use the 'Sort by' function. You can also filter by departure and arrival times, airline, and journey duration.

Airports in Seattle

Seattle-Tacoma International Airport (SEA)

  • Seattle-Tacoma International Airport (SEA) to central Seattle is about 18 minutes by car. It's approximately 23 kilometres away.

  • If you're travelling on public transport, expect a journey time of about 54 minutes.

  • If you're arriving on a late flight from Newcastle International Airport to Seattle, few things beat the convenience of staying near the terminal. Grab your luggage from the carousel and then be showered and sleeping not long after at one of these hotels near SEA:

Lake Union Sea Plane Base Airport (LKE)

Best time to go to Seattle

  • It's time to plan your dates for your flight from Newcastle International Airport to Seattle. July is the most popular month to visit Seattle. If you like a more peaceful vibe, go in May.

  • The warmest month in Seattle is August, with the temperature ranging between 12ºC and 28ºC. Lock in your flights from Newcastle International Airport to Seattle in this month if you enjoy this type of weather.

  • Search for cheap flights from NCL to Seattle in February if you like cooler conditions. Temperatures are at their lowest around then, ranging between -1ºC and 11ºC on average.

More about Seattle

  • Start your Seattle trip off on the right foot by choosing the perfect place to stay. As soon as you've booked your flight from Newcastle International Airport to Seattle, explore our range of accommodation options including:

  • Gas Works - Lake View Point and Queen Anne Bowl Playfield are just two of the popular attractions to add to your Seattle to-do list. Keep the sightseeing going at LMN Architects.

Complete your Seattle trip with a car rental

  • Finding you a cheap flight from Newcastle International Airport to Seattle isn't the only thing we're good at. Check out our car rentals in Seattle and explore at your own pace. We search for deals from trusted car rental providers and put them all in one place. You can instantly compare offers and then book with no fees.

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