Cheap Flights from Nashua (ASH) to St. Louis (STL)

Popular airlines from Nashua, NH (ASH-Nashua Municipal) to St. Louis Lambert Intl. Airport (STL)

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Flights from Nashua (ASH) to St. Louis (STL)
Origin airport
Nashua Municipal
Destination airport
Lambert-St. Louis Intl.
Distance
1023 mi

Nashua to St. Louis Flights

The cheapest times to fly from Nashua to St. Louis

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

 

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

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

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 Nashua to St. Louis in 2025. You can also book with separate airlines for your outbound and return journeys, from 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 Nashua to St. Louis 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 Nashua to St. Louis 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.

 

Frequently asked questions

How much does a flight from Nashua Municipal Airport (ASH) to Lambert-St. Louis Intl. Airport (STL) cost?
Discover the latest flight deals from ASH to STL by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from ASH to STL?
The cheapest flights from ASH to STL are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Nashua Municipal Airport (ASH) to Lambert-St. Louis Intl. Airport (STL)?
There are no direct flights from Nashua, NH (ASH-Nashua Municipal) to Lambert-St. Louis Intl. Airport (STL). However, there are other airports that offer nonstop flights. Board your plane at Logan Intl. Airport (BOS) and head straight to St. Louis without any detours.
What is the cheapest airline that flies from ASH to STL?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from ASH to STL. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Nashua Municipal Airport (ASH) to Lambert-St. Louis Intl. Airport (STL)?
You'll need to hop on a flight with a layover if you're traveling from Nashua Municipal Airport (ASH) to Lambert-St. Louis Intl. Airport (STL). There are no daily direct flights on this route. However, simply filter your search to include one or more stops to discover an option that works for you.
What day of the week has the most flights from ASH to STL?
Generally you'll find the widest variety of flight choices on a Friday. Tuesdays are often the quietest.* But this can vary based on the time of year, carrier 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 Nashua Municipal Airport (ASH) to Lambert-St. Louis Intl. Airport (STL)?
To avoid potential delays on the Nashua Municipal Airport (ASH) to Lambert-St. Louis Intl. Airport (STL) route, travel before 3 PM. Departures after this hour 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 Nashua Municipal Airport (ASH) to Lambert-St. Louis Intl. Airport (STL) last-minute?
Holding off until just before your trip to book a flight from ASH to STL generally means paying more. Although you may find some last-minute deals, there's no guarantee. Allow some flexibility in your schedule to boost your chances of snagging a bargain.
Is it cheaper to book an ASH to STL flight and hotel package?
Booking an ASH to STL flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels in one place. Choose from our extensive range of hotels and then add flights, activities and car rentals to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Nashua Municipal Airport (ASH) to Lambert-St. Louis Intl. Airport (STL)?
If you reserved your ASH to STL flight within the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the type of ticket 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 more information.

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*Available to One Key members.