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£419 Cheap Flights from Newcastle (NCL) to Seattle (SEA)

View £419 flight on Wed, 4 Nov 2026Opens in a new window

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Popular airlines from Newcastle Intl. Airport (NCL) to Seattle-Tacoma International Airport (SEA)

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Cheap Flights from Newcastle (NCL) to Seattle (SEA)

Prices were available within the past 7 days and start at £419 for one-way flights and £654 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

British Airways
Mon, 14 Sept - Sun, 4 Oct
NCL
Newcastle-upon-Tyne
SEA
Seattle
£654 Return, found 12 hours ago
£654
Return
found 12 hours ago
Select British Airways flight, departing Mon, 14 Sept from Newcastle-upon-Tyne to Seattle, returning Sun, 4 Oct, priced at £654 found 12 hours ago
American Airlines
Tue, 8 Sept - Mon, 21 Sept
NCL
Newcastle-upon-Tyne
SEA
Seattle
£655 Return, found 5 days ago
£655
Return
found 5 days ago
Select American Airlines flight, departing Tue, 8 Sept from Newcastle-upon-Tyne to Seattle, returning Mon, 21 Sept, priced at £655 found 5 days ago
American Airlines
Mon, 7 Sept - Tue, 15 Sept
NCL
Newcastle-upon-Tyne
SEA
Seattle
£658 Return, found 13 hours ago
£658
Return
found 13 hours ago
Select American Airlines flight, departing Mon, 7 Sept from Newcastle-upon-Tyne to Seattle, returning Tue, 15 Sept, priced at £658 found 13 hours ago
British Airways
Thu, 27 Aug - Mon, 5 Oct
NCL
Newcastle-upon-Tyne
SEA
Seattle
£660 Return, found 3 days ago
£660
Return
found 3 days ago
Select British Airways flight, departing Thu, 27 Aug from Newcastle-upon-Tyne to Seattle, returning Mon, 5 Oct, priced at £660 found 3 days ago
American Airlines
Mon, 7 Sept - Tue, 15 Sept
NCL
Newcastle-upon-Tyne
SEA
Seattle
£661 Return, found 13 hours ago
£661
Return
found 13 hours ago
Select American Airlines flight, departing Mon, 7 Sept from Newcastle-upon-Tyne to Seattle, returning Tue, 15 Sept, priced at £661 found 13 hours ago
American Airlines
Tue, 8 Sept - Mon, 21 Sept
NCL
Newcastle-upon-Tyne
SEA
Seattle
£663 Return, found 5 days ago
£663
Return
found 5 days ago
Select American Airlines flight, departing Tue, 8 Sept from Newcastle-upon-Tyne to Seattle, returning Mon, 21 Sept, priced at £663 found 5 days ago
Aer Lingus
Mon, 14 Sept - Sun, 4 Oct
NCL
Newcastle-upon-Tyne
SEA
Seattle
£664 Return, found 12 hours ago
£664
Return
found 12 hours ago
Select Aer Lingus flight, departing Mon, 14 Sept from Newcastle-upon-Tyne to Seattle, returning Sun, 4 Oct, priced at £664 found 12 hours ago
Aer Lingus
Tue, 15 Sept - Sun, 4 Oct
NCL
Newcastle-upon-Tyne
SEA
Seattle
£667 Return, found 6 days ago
£667
Return
found 6 days ago
Select Aer Lingus flight, departing Tue, 15 Sept from Newcastle-upon-Tyne to Seattle, returning Sun, 4 Oct, priced at £667 found 6 days ago
KLM
Mon, 14 Sept - Sun, 4 Oct
NCL
Newcastle-upon-Tyne
SEA
Seattle
£678 Return, found 12 hours ago
£678
Return
found 12 hours ago
Select KLM flight, departing Mon, 14 Sept from Newcastle-upon-Tyne to Seattle, returning Sun, 4 Oct, priced at £678 found 12 hours ago
Air France
Sat, 5 Sept - Mon, 14 Sept
NCL
Newcastle-upon-Tyne
SEA
Seattle
£679 Return, found 1 day ago
£679
Return
found 1 day ago
Select Air France flight, departing Sat, 5 Sept from Newcastle-upon-Tyne to Seattle, returning Mon, 14 Sept, priced at £679 found 1 day ago

Frequently asked questions

How much does a flight from Newcastle (NCL-Newcastle Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) cost?
You can find cheap one-way flights from £419 and cheap return flights from £654 NCL to SEA with Expedia. One-way flights typically cost between £493 and £2783, and return flights often range between £819 and £4000. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when NCL to SEA ticket fares go up or down.
What is the cheapest month to fly from Newcastle (NCL-Newcastle Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
The cheapest months to fly from NCL to SEA are typically during off-peak season when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you are able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Newcastle (NCL-Newcastle Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
Enter NCL to SEA and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Newcastle (NCL-Newcastle Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
For return flights from Newcastle Intl. (NCL) to Seattle - Tacoma Intl. (SEA), you'll find connecting flights starting from around £880 for departures within the next year. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.
How do I find cheap flights from Newcastle (NCL-Newcastle Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
To find a cheap flight from Newcastle (NCL-Newcastle Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Newcastle (NCL-Newcastle Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Newcastle (NCL-Newcastle Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
There are approximately 12 connecting flights per day from Newcastle (NCL-Newcastle Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.). Some common connection points include Heathrow (LHR), Schiphol (AMS), and Dublin (DUB).
What is the earliest flight from Newcastle (NCL-Newcastle Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
The earliest flight from Newcastle (NCL-Newcastle Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) typically departs around 5:45 AM. This service is operated by KLM and Air Canada. This is a seasonal service, active only in July. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Newcastle (NCL-Newcastle Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
You'll typically find the most flights from Newcastle (NCL-Newcastle Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) on a Thursday, with around 25 flights available. This gives you a good selection for your travel plans. Major airlines on this route include British Airways, KLM, and Air France. Flight schedules are quite consistent throughout the week, so you'll have plenty of options no matter which day you choose to fly.
What are the most popular departure times for flights from Newcastle (NCL-Newcastle Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
The most popular departure times for flights from Newcastle Intl. (NCL) to Seattle - Tacoma Intl. (SEA) are between 9am and 12pm. Many major carriers, including British Airways, KLM and Hop!, offer flights during this window. Many travellers prefer these times as they allow for a morning departure, giving you a full day to travel and arrive at your destination without being too early or too late.
How long does it take to fly from Newcastle (NCL-Newcastle Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
There are no nonstop flights from Newcastle (NCL-Newcastle Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.). The journey covers a distance of approximately 7,342 kilometers. Flights with one stop typically take around 13 hours 30 minutes. If you opt for flights with two or more stops, your travel time will be longer, usually around 21 hours. Keep in mind that actual flight times can vary due to factors like routing, weather, and wind patterns.
Can you fly business or first class from Newcastle (NCL-Newcastle Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
Yes, you can fly business class between NCL and SEA. Airlines that offer business class service on this route include:
  • Lufthansa
  • Air France
  • British Airways
  • KLM
  • Hop!
How do I earn miles on a Newcastle (NCL-Newcastle Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight with Expedia?
It's easy to earn miles on a Newcastle (NCL-Newcastle Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Seattle, WA (SEA) from Newcastle (NCL)?
If you're planning to travel to Seattle from Newcastle Intl. (NCL), you can fly directly into Seattle - Tacoma Intl. (SEA). Some flights may connect through major hubs like Heathrow (LHR), Schiphol (AMS), or Roissy-Charles de Gaulle (CDG) before reaching Seattle. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Newcastle (NCL-Newcastle Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) at the last minute?
Typically, booking a last minute flight from Newcastle (NCL-Newcastle Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Newcastle (NCL-Newcastle Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight and hotel package?
Securing a Newcastle (NCL-Newcastle Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Newcastle (NCL-Newcastle Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
If you booked your Newcastle (NCL-Newcastle Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Newcastle Intl.
Destination airport
Seattle - Tacoma Intl.
Airlines serving
Aer Lingus, Air France, American Airlines, British Airways, Delta, Iberia, KLM, Virgin Atlantic
Return price
£654
Distance
7297 km

Book with confidence

Compare flights from Newcastle to Seattle easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Newcastle to Seattle. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Seattle - Tacoma Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Newcastle Intl. to Seattle - Tacoma Intl..  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Newcastle Intl. (NCL) to Seattle - Tacoma Intl. (SEA)

The easiest way to view the best deals on flights from Newcastle to Seattle today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Newcastle Intl. to Seattle - Tacoma Intl. start at just £654 and range up to £679.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Newcastle and Seattle
  • booking your flight during September, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Newcastle to Seattle flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Newcastle Intl. to Seattle - Tacoma Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Compare flights from Newcastle to Seattle easily and book with confidence

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*Available to Expedia members.