$602 Cheap Flights from St. Louis (STL) to Newquay (NQY)

View $602 flight on Fri, Oct 17, 2025Opens in a new window

Popular airlines from St. Louis Lambert Intl. Airport (STL) to Newquay (NQY-Newquay Cornwall)

Cheap Flights from St. Louis to Newquay (STL-NQY)

Prices were available within the past 7 days and start at $602 for one-way flights and $1,103 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Wed, May 20 - Sun, May 31
STL
St. Louis
NQY
Newquay
$1,103 Roundtrip, found 10 hours ago
$1,103
Roundtrip
found 10 hours ago
Select Air Canada flight, departing Wed, May 20 from St. Louis to Newquay, returning Sun, May 31, priced at $1,103 found 10 hours ago
Air Canada
Wed, May 20 - Sun, May 31
STL
St. Louis
NQY
Newquay
$1,110 Roundtrip, found 10 hours ago
$1,110
Roundtrip
found 10 hours ago
Select Air Canada flight, departing Wed, May 20 from St. Louis to Newquay, returning Sun, May 31, priced at $1,110 found 10 hours ago
American Airlines
Wed, Oct 15 - Tue, Oct 21
STL
St. Louis
NQY
Newquay
$1,117 Roundtrip, found 1 day ago
$1,117
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Oct 15 from St. Louis to Newquay, returning Tue, Oct 21, priced at $1,117 found 1 day ago
Air Canada
Wed, May 20 - Sun, May 31
STL
St. Louis
NQY
Newquay
$1,144 Roundtrip, found 10 hours ago
$1,144
Roundtrip
found 10 hours ago
Select Air Canada flight, departing Wed, May 20 from St. Louis to Newquay, returning Sun, May 31, priced at $1,144 found 10 hours ago
American Airlines
Thu, Oct 16 - Tue, Oct 21
STL
St. Louis
NQY
Newquay
$1,167 Roundtrip, found 1 day ago
$1,167
Roundtrip
found 1 day ago
Select American Airlines flight, departing Thu, Oct 16 from St. Louis to Newquay, returning Tue, Oct 21, priced at $1,167 found 1 day ago
Air Canada
Wed, May 20 - Sun, May 31
STL
St. Louis
NQY
Newquay
$1,179 Roundtrip, found 10 hours ago
$1,179
Roundtrip
found 10 hours ago
Select Air Canada flight, departing Wed, May 20 from St. Louis to Newquay, returning Sun, May 31, priced at $1,179 found 10 hours ago
Air Canada
Wed, May 20 - Sun, May 31
STL
St. Louis
NQY
Newquay
$1,186 Roundtrip, found 10 hours ago
$1,186
Roundtrip
found 10 hours ago
Select Air Canada flight, departing Wed, May 20 from St. Louis to Newquay, returning Sun, May 31, priced at $1,186 found 10 hours ago
United
Fri, Oct 17 - Fri, Oct 24
STL
St. Louis
NQY
Newquay
$1,283 Roundtrip, found 1 day ago
$1,283
Roundtrip
found 1 day ago
Select United flight, departing Fri, Oct 17 from St. Louis to Newquay, returning Fri, Oct 24, priced at $1,283 found 1 day ago
British Airways
Wed, May 20 - Sun, May 31
STL
St. Louis
NQY
Newquay
$1,320 Roundtrip, found 10 hours ago
$1,320
Roundtrip
found 10 hours ago
Select British Airways flight, departing Wed, May 20 from St. Louis to Newquay, returning Sun, May 31, priced at $1,320 found 10 hours ago
Aer Lingus
Tue, Oct 14 - Tue, Oct 21
STL
St. Louis
NQY
Newquay
$1,381 Roundtrip, found 1 day ago
$1,381
Roundtrip
found 1 day ago
Select Aer Lingus flight, departing Tue, Oct 14 from St. Louis to Newquay, returning Tue, Oct 21, priced at $1,381 found 1 day ago

Alternative airports near Newquay

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Newquay Cornwall NQY. Cheapest and Closest option available. Average driving time to city center is 9 minutes. Flights from $1,497
NQY
Newquay Cornwall
CheapestClosest
Average driving time to city center9 min
Flights from $1,497

Frequently asked questions

How much does a flight from Lambert-St. Louis Intl. Airport (STL) to Newquay Cornwall Airport (NQY) cost?
Get a cheap one-way flight from $602 or cheap return flight from $1,103 from Lambert-St. Louis Intl. Airport (STL) to Newquay Cornwall Airport (NQY) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Lambert-St. Louis Intl. Airport (STL) to Newquay Cornwall Airport (NQY)?
Planning your getaway for May is a good way to save, as it's the cheapest month for flights between STL and NQY. You'll typically find the lowest prices during off-peak months.
What is the cheapest airline that flies from Lambert-St. Louis Intl. Airport (STL) to Newquay Cornwall Airport (NQY)?
Use the filter tool on Expedia to compare different airlines and find the cheapest carrier that'll fly you from STL to NQY. Then, sort your results by "Price (lowest to highest)" to pick up the best deal available.
How many flights per day from Lambert-St. Louis Intl. Airport (STL) to Newquay Cornwall Airport (NQY)?
Direct flights from Lambert-St. Louis Intl. Airport (STL) to Newquay Cornwall Airport (NQY) aren't available daily, so you'll need to take a flight with a layover. Explore your options with our filter tool. Enter your dates and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from STL to NQY?
Friday is generally the busiest day for flights, while Tuesday tends to be the quietest.* Remember that flight schedules can change depending on a range of factors, such as the airline and season.*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 Newquay Cornwall Airport (NQY)?
To avoid potential delays on the Lambert-St. Louis Intl. Airport (STL) to Newquay Cornwall Airport (NQY) route, travel before 3 PM. Later flights have a 22% higher chance of being canceled.**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 Newquay Cornwall Airport (NQY) last-minute?
Holding off until just before your departure to book a ticket from STL to NQY often results in higher prices. While you may come across some last-minute offers, there's no guarantee. Be flexible with your travel plans to maximize your chances of getting a bargain.
Is it cheaper to book a STL to NQY flight and hotel package?
Securing a STL to NQY flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip in one place. Pick from our impressive range of accommodations and then add flights, car rentals and activities to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Lambert-St. Louis Intl. Airport (STL) to Newquay Cornwall Airport (NQY)?
If you reserved your STL to NQY flight within the last 24 hours, you may be able to modify or cancel it without fees. Depending on the airline and the type of ticket you have, 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 if you'd like more information.

Travel information

Travel information

Origin airport
Lambert-St. Louis Intl.
Destination airport
Newquay Cornwall
Airlines serving
Aer Lingus
Roundtrip price
$1,102
Distance
4041 mi

Book with confidence

Book with confidence

St. Louis to Newquay Flights

The cheapest times to fly from St. Louis to Newquay

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 Newquay are during the month of May. You can find some of the cheapest flights from St. Louis to Newquay with Expedia's search tool and vast selection of airlines.

 

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

Sunday is one of the best days to book for cheap flights from St. Louis to Newquay: 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 Newquay

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 Newquay in 2025. You can also book with separate airlines for your outbound and return journeys, from $602 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 Newquay 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 Newquay 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 Newquay Flights

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*Available to One Key members.