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$671+ Cheap flights from Seattle (SEA) to Newcastle upon Tyne (NCL)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/1. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — NCL
oct. 16 — oct. 231
jue. 10/16
jue. 10/23
1 adult, Economy
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Cheap flight deals from Seattle to Newcastle upon Tyne

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Newcastle upon Tyne (NCL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated septiembre 16, 2025.

Round-trip from

$671
(Delta)

Popular in

June

Cheapest in

October

Average price

$1,069
From Seattle/Tacoma Intl to Newcastle upon Tyne
Search Deals
Highest demand for flights based on searches. 34% potential increase in price ($622 potential increase over avg. RT price).
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Cheapest flight prices on average. 12% potential price decrease ($131 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
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Find flight deals from Seattle to Newcastle upon Tyne

Cheapest flights from Seattle to Newcastle upon Tyne
Explore the most affordable flight options available from Seattle to Newcastle upon Tyne. Find the lowest fares from popular airlines and budget airlines, with prices last updated on septiembre 16, 2025.

This Delta deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/19:40 amSEA - NCL
2 stops18h 10mDelta
mar. 10/76:35 amNCL - SEA
1 stop12h 40mDelta
Deal found 9/14$671
This Expedia deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/12:20 pmSEA - NCL
1 stop12h 30mLufthansa
mar. 10/711:25 amNCL - SEA
1 stop32h 30mLufthansa
Deal found 9/13$689
This FlightHub deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 12/62:19 pmSEA - NCL
2 stops17h 41mBritish Airways
lun. 12/158:15 pmNCL - SEA
1 stop23h 15mBritish Airways
Deal found 9/14$713
This oojo deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/312:35 pmSEA - NCL
1 stop13h 25mBritish Airways
vie. 11/76:30 amNCL - SEA
1 stop18h 25mBritish Airways
Deal found 9/16$722
This Mytrip deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/313:35 pmSEA - NCL
3 stops34h 10mMultiple Airlines
vie. 11/75:35 pmNCL - SEA
3 stops31h 25mMultiple Airlines
Deal found 9/16$755

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seattle to Newcastle upon Tyne that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated septiembre 16, 2025.
Use the filters below to find and compare flights from Seattle to Newcastle upon Tyne that are best for you.

Fly from

Seattle

Fly to

Newcastle upon Tyne

Route

Depart

Return

Price

SeattleNewcastle upon Tyne

SEA - NCL

SEANCL

Seattle/Tacoma Intl

mié. 10/1

7:10 am-11:50 am

2 stops20h 40m

Newcastle upon Tyne

mar. 10/7

6:35 am-11:15 am

1 stop12h 40m

$671

SeattleNewcastle upon Tyne

SEA - NCL

SEANCL

Seattle/Tacoma Intl

mié. 10/1

2:20 pm-10:50 am

1 stop12h 30m

Newcastle upon Tyne

mar. 10/7

11:25 am-11:55 am

1 stop32h 30m

$689

SeattleNewcastle upon Tyne

SEA - NCL

SEANCL

Seattle/Tacoma Intl

sáb. 12/6

2:19 pm-4:00 pm

2 stops17h 41m

Newcastle upon Tyne

lun. 12/15

8:15 pm-11:30 am

1 stop23h 15m

$713

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/13

Best time to book a flight from Seattle to Newcastle upon Tyne

Have a flexible travel schedule? Discover the best time to fly to Newcastle upon Tyne from Seattle with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Seattle to Newcastle upon Tyne

What is the cheapest month to book a flight from Seattle to Newcastle upon Tyne?

Currently, November is the cheapest month in which you can book a flight from Seattle to Newcastle upon Tyne (average of $650). Flying from Seattle to Newcastle upon Tyne in June is currently the most expensive (average of $1,175). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SEA to NCL?

Find hourly flight availability from Seattle to Newcastle upon Tyne. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated septiembre 16, 2025.

When flying from Seattle to Newcastle upon Tyne, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 20% versus a flight in the evening.

Reviews of airlines servicing Newcastle upon Tyne

Get insights into the airlines that provide service to Newcastle upon Tyne. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Newcastle upon Tyne. Reviews last updated septiembre 16, 2025.
See what other customers who have flown with British Airways from Seattle to Newcastle upon Tyne have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
British Airways
6.7
Okay
7,363 reviews

Overall

6.7

Crew

7.6

Boarding

6.9

Comfort

6.7

Food

6.3

Entertainment

6.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

IAD - LHR

The plane had to load and unload passengers not through a jet way but out on the tarmac at Heathrow. The steps were steep. We weren't expecting to have to carry our luggage up and down stairs.
British Airways
6.7
Okay
7,363 reviews
British Airways
6.7
Okay
7,363 reviews

Overall

6.7

Crew

7.6

Boarding

6.9

Comfort

6.7

Food

6.3

Entertainment

6.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

IAD - LHR

The plane had to load and unload passengers not through a jet way but out on the tarmac at Heathrow. The steps were steep. We weren't expecting to have to carry our luggage up and down stairs.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Newcastle upon Tyne. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Seattle to Newcastle upon Tyne?

    Airlines like Delta and Lufthansa fly from Seattle to Newcastle upon Tyne in about 12h 30m. The time it takes to get you to your destination can typically vary by up to 8h 10m. The distance between Seattle and Newcastle upon Tyne is about 4559 mi. This flight may include one or multiple stops.

  • What is the cheapest airline to fly from Seattle to Newcastle upon Tyne round-trip?

    Cheapflights users have booked flights from Seattle to Newcastle upon Tyne round-trip from $685. Users have found that British Airways is 41% cheaper than the other options available to this destination.

  • Can I find deals for flights from Seattle to Newcastle upon Tyne that include hotel bookings?

    Yes. In addition to deals on Seattle to Newcastle upon Tyne flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Newcastle upon Tyne?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Newcastle upon Tyne.

  • Can I find deals for business class flights from Seattle to Newcastle upon Tyne?

    Yes. Cheapflights offers flight deals from Seattle to Newcastle upon Tyne by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Seattle to Newcastle upon Tyne?

    Currently, November is the cheapest month in which you can book a flight from Seattle to Newcastle upon Tyne (average of $650). Flying from Seattle to Newcastle upon Tyne in June is currently the most expensive (average of $1,175). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Newcastle upon Tyne?

Book flights to Newcastle upon Tyne if you plan to visit one of these locations
Sunderland

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Alternative routes for Seattle to Newcastle upon Tyne

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Top airline flying from Seattle to Newcastle upon Tyne

Discover the top airline that operate flights from Seattle to Newcastle upon Tyne. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated septiembre 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$685Average$1,371FlexibilityNo cancel feeOn-time70%

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