Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Newcastle upon Tyne to St. Louis from £645

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from Newcastle upon Tyne to St. Louis departing on 5/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Voted winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Newcastle upon Tyne to St. Louis

Cheap return flights

Enter your travel dates to find the best prices.
American Airlines Logo
06:30 - 17:56NCL-STL
17h 26m2 stops
American Airlines Logo
19:05 - 14:55STL-NCL
14h 50m2 stops
£645American Airlines
Find Deal
Thu, 5 Mar - Mon, 9 Mar
British Airways Logo
12:15 - 23:55NCL-STL
17h 40m2 stops
British Airways Logo
13:35 - 11:25STL-NCL
15h 50m2 stops
£879British Airways
Find Deal
Fri, 19 Dec - Mon, 19 Jan
Lufthansa Logo
11:00 - 13:55NCL-STL
32h 55m1 stop
Lufthansa Logo
13:10 - 10:25STL-NCL
16h 15m2 stops
£1,230Lufthansa
Find Deal
Thu, 5 Mar - Mon, 9 Mar

momondo Fare Finder

 
Customise your flight search to find flights from Newcastle upon Tyne to St. Louis 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, momondo users made 279,928 searches. Data last updated 26 October 2025.
Use the filters below to find and compare flights from Newcastle upon Tyne to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Newcastle upon TyneSt. Louis

NCL - STL

NCLSTL

Newcastle upon Tyne

Thu 5/3

06:30-17:56

2 stops17h 26m

Lambert-St Louis

Mon 9/3

19:05-14:55

2 stops14h 50m

£645

Newcastle upon TyneSt. Louis

NCL - STL

NCLSTL

Newcastle upon Tyne

Fri 19/12

12:15-23:55

2 stops17h 40m

Lambert-St Louis

Mon 19/1

13:35-11:25

2 stops15h 50m

£879

Newcastle upon TyneSt. Louis

NCL - STL

NCLSTL

Newcastle upon Tyne

Thu 5/3

11:00-13:55

1 stop32h 55m

Lambert-St Louis

Mon 9/3

13:10-10:25

2 stops16h 15m

£1,230

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

See travel insights to St. Louis from

How to get the cheapest flight ticket from Newcastle upon Tyne to St. Louis

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to St. Louis?

The month of March is, on average, the cheapest month to fly to St. Louis from Newcastle upon Tyne, with most prices found around £553. If you’re not able to fly to St. Louis in March, then September is your next best option. Flight prices from Newcastle upon Tyne to St. Louis during September average around £761.

What is the cheapest day to depart on your flight to St. Louis?

Our data shows that Wednesday is the least expensive day to fly to St. Louis. Tickets to fly out on this day can be as low as £539. Flights from Newcastle upon Tyne to St. Louis on a Monday will generally be more expensive and average around £880. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to St. Louis?

Our data shows that the cheapest Newcastle upon Tyne to St. Louis flights are usually those with departure times in the morning. Our users have found flights to St. Louis in the morning for as low as £648. In contrast, the most expensive time of day to depart to St. Louis is at midday when prices are around £858.

When to book flights from Newcastle upon Tyne to St. Louis

Are you open to changing your travel dates? Check out the ideal times to fly from Newcastle upon Tyne to St. Louis according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Newcastle upon Tyne to St. Louis (NCL to STL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Newcastle upon Tyne to St. Louis

Direct flights

None
There are no direct flights from Newcastle upon Tyne to St. Louis. There are no popular flight routes from Newcastle upon Tyne to St. Louis.
Search flight deals

  • How far is Newcastle upon Tyne to Lambert-St Louis by plane?

    There are 4040.2 mi between Newcastle upon Tyne and Lambert-St Louis. 17h 40m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Newcastle upon Tyne Airport to Lambert-St Louis Airport?

    Prices for flights from Newcastle upon Tyne Airport to Lambert-St Louis Airport refresh daily.

  • How many operators does momondo search for flights from Newcastle upon Tyne Airport to Lambert-St Louis Airport?

  • How old do you have to be to fly from Newcastle upon Tyne Airport to Lambert-St Louis Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Newcastle upon Tyne Airport to Lambert-St Louis Airport.

  • What documentation or ID do you need to fly to Lambert-St Louis Airport?

    The necessary travel and health documents for your Lambert-St Louis Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Newcastle upon Tyne to St. Louis?

Best airlines flying from Newcastle upon Tyne to St. Louis

Compare and see reviews for airlines that fly from Newcastle upon Tyne to St. Louis with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom £691Free CancellationRating
6.7
7,476 reviews
Search British Airways flights

Travelling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
St. Charles
Collinsville

Why use momondo?

Why should I use momondo to find a flight deal from Newcastle upon Tyne to St. Louis?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Newcastle upon Tyne to St. Louis . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Newcastle upon Tyne to St. Louis with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to St. Louis from Newcastle upon Tyne with this policy.

How can momondo help me find flights from Newcastle upon Tyne to St. Louis?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to St. Louis from Newcastle upon Tyne.

I’m not ready to book a flight from Newcastle upon Tyne to St. Louis right now. Can momondo alert me if prices change?

Price alerts on flights to St. Louis from Newcastle upon Tyne are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your St. Louis trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Tue 25/11
Tue 2/12
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States