$418 Cheap Flights from St. Louis (STL) to Newcastle (NCL)

View $418 flight on Sun, Apr 19, 2026Opens in a new window

Popular airlines from St. Louis Lambert Intl. Airport (STL) to Newcastle Intl. Airport (NCL)

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Cheap Flights from St. Louis to Newcastle (STL-NCL)

Prices were available within the past 7 days and start at $418 for one-way flights and $672 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Mon, Dec 8 - Sat, Jan 10
STL
St. Louis
NCL
Newcastle-upon-Tyne
$672 Roundtrip, found 11 hours ago
$672
Roundtrip
found 11 hours ago
Select Delta flight, departing Mon, Dec 8 from St. Louis to Newcastle-upon-Tyne, returning Sat, Jan 10, priced at $672 found 11 hours ago
Virgin Atlantic
Tue, Dec 9 - Sat, Jan 10
STL
St. Louis
NCL
Newcastle-upon-Tyne
$672 Roundtrip, found 11 hours ago
$672
Roundtrip
found 11 hours ago
Select Virgin Atlantic flight, departing Tue, Dec 9 from St. Louis to Newcastle-upon-Tyne, returning Sat, Jan 10, priced at $672 found 11 hours ago
American Airlines
Fri, Dec 12 - Fri, Jan 9
STL
St. Louis
NCL
Newcastle-upon-Tyne
$675 Roundtrip, found 11 hours ago
$675
Roundtrip
found 11 hours ago
Select American Airlines flight, departing Fri, Dec 12 from St. Louis to Newcastle-upon-Tyne, returning Fri, Jan 9, priced at $675 found 11 hours ago
American Airlines
Fri, Dec 12 - Fri, Jan 9
STL
St. Louis
NCL
Newcastle-upon-Tyne
$676 Roundtrip, found 11 hours ago
$676
Roundtrip
found 11 hours ago
Select American Airlines flight, departing Fri, Dec 12 from St. Louis to Newcastle-upon-Tyne, returning Fri, Jan 9, priced at $676 found 11 hours ago
British Airways
Mon, Dec 8 - Sun, Jan 11
STL
St. Louis
NCL
Newcastle-upon-Tyne
$696 Roundtrip, found 1 day ago
$696
Roundtrip
found 1 day ago
Select British Airways flight, departing Mon, Dec 8 from St. Louis to Newcastle-upon-Tyne, returning Sun, Jan 11, priced at $696 found 1 day ago
Delta
Mon, Dec 8 - Fri, Jan 9
STL
St. Louis
NCL
Newcastle-upon-Tyne
$697 Roundtrip, found 1 day ago
$697
Roundtrip
found 1 day ago
Select Delta flight, departing Mon, Dec 8 from St. Louis to Newcastle-upon-Tyne, returning Fri, Jan 9, priced at $697 found 1 day ago
Delta
Mon, Dec 8 - Fri, Jan 9
STL
St. Louis
NCL
Newcastle-upon-Tyne
$698 Roundtrip, found 11 hours ago
$698
Roundtrip
found 11 hours ago
Select Delta flight, departing Mon, Dec 8 from St. Louis to Newcastle-upon-Tyne, returning Fri, Jan 9, priced at $698 found 11 hours ago
Delta
Fri, Dec 12 - Fri, Jan 9
STL
St. Louis
NCL
Newcastle-upon-Tyne
$702 Roundtrip, found 11 hours ago
$702
Roundtrip
found 11 hours ago
Select Delta flight, departing Fri, Dec 12 from St. Louis to Newcastle-upon-Tyne, returning Fri, Jan 9, priced at $702 found 11 hours ago
KLM
Wed, Dec 10 - Sat, Jan 10
STL
St. Louis
NCL
Newcastle-upon-Tyne
$703 Roundtrip, found 11 hours ago
$703
Roundtrip
found 11 hours ago
Select KLM flight, departing Wed, Dec 10 from St. Louis to Newcastle-upon-Tyne, returning Sat, Jan 10, priced at $703 found 11 hours ago
British Airways
Thu, Nov 27 - Thu, Dec 4
STL
St. Louis
NCL
Newcastle-upon-Tyne
$704 Roundtrip, found 17 hours ago
$704
Roundtrip
found 17 hours ago
Select British Airways flight, departing Thu, Nov 27 from St. Louis to Newcastle-upon-Tyne, returning Thu, Dec 4, priced at $704 found 17 hours ago

Frequently asked questions

How much does a flight from Lambert-St. Louis Intl. Airport (STL) to Newcastle Intl. Airport (NCL) cost?
Snag a cheap one-way flight from $418 or cheap return flight from $672 from Lambert-St. Louis Intl. Airport (STL) to Newcastle Intl. Airport (NCL) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Lambert-St. Louis Intl. Airport (STL) to Newcastle Intl. Airport (NCL)?
The cheapest month to fly from STL to NCL is December, when demand is low. Off-peak season is often when better flight deals are available between these airports.
What is the cheapest airline that flies from Lambert-St. Louis Intl. Airport (STL) to Newcastle Intl. Airport (NCL)?
Expedia's filter tool lets you easily compare different airlines, departure times and fares all in one place. Select your preferences, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest STL to NCL flight.
How many flights per day from Lambert-St. Louis Intl. Airport (STL) to Newcastle Intl. Airport (NCL)?
You'll have to take a flight with a layover if you're traveling from Lambert-St. Louis Intl. Airport (STL) to Newcastle Intl. Airport (NCL). There are no daily direct flights on this route. However, just filter your search to include one or more stops to find an option that works for you.
What day of the week has the most flights from STL to NCL?
Generally you'll find the largest variety of flight choices on a Friday. Tuesdays are often the quietest.* But this can vary based on the season, airline and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Lambert-St. Louis Intl. Airport (STL) to Newcastle Intl. Airport (NCL)?
To land at Newcastle Intl. Airport (NCL) without delays, book a flight that leaves from Lambert-St. Louis Intl. Airport (STL) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Lambert-St. Louis Intl. Airport (STL) to Newcastle Intl. Airport (NCL) last-minute?
Booking your flight from STL to NCL right before your trip is typically more expensive. But if you're flexible with your travel times and dates, you could bag a cheap last-minute fare.
Is it cheaper to book a STL to NCL flight and hotel package?
You'll generally save money by booking a STL to NCL flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage it all in one place. Once you've chosen your ideal accommodations and flights, consider adding extras including activities, tours and car rentals.
Can I cancel or change the date of my flight from Lambert-St. Louis Intl. Airport (STL) to Newcastle Intl. Airport (NCL)?
If you reserved your STL to NCL flight in the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the fare type you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal for further details.

Travel information

Origin airport
Lambert-St. Louis Intl.
Destination airport
Newcastle Intl.
Airlines serving
Aer Lingus, American Airlines, British Airways, Delta, Iberia, KLM, Lufthansa, Virgin Atlantic
Roundtrip price
$671
Distance
4037 mi

Book with confidence

St. Louis to Newcastle Flights

The cheapest times to fly from St. Louis to Newcastle

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from St. Louis to Newcastle are during the month of December. You can find some of the cheapest flights from St. Louis to Newcastle with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from St. Louis to Newcastle

Sunday is one of the best days to book for cheap flights from St. Louis to Newcastle: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from St. Louis to Newcastle

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from St. Louis to Newcastle in 2025. You can also book with separate airlines for your outbound and return journeys, from $418 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap St. Louis to Newcastle flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your St. Louis to Newcastle airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

St. Louis to Newcastle Flights

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*Available to One Key members.