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

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

Frequently asked questions

How much does a flight from Lambert-St. Louis Intl. Airport (STL) to Nashua Municipal Airport (ASH) cost?
Lock in a cheap one-way flight or cheap return flight from Lambert-St. Louis Intl. Airport (STL) to Nashua Municipal Airport (ASH) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Lambert-St. Louis Intl. Airport (STL) to Nashua Municipal Airport (ASH)?
The cheapest month to fly from STL to ASH is , when there's less demand. Off-peak months are typically when you'll find lower airfares between these airports.
What is the cheapest airline that flies from Lambert-St. Louis Intl. Airport (STL) to Nashua Municipal Airport (ASH)?
To find the cheapest airline that'll fly you from STL to ASH, use Expedia's filter tool. Tailor your search based on your travel style, such as preferred carriers and seat class. You can then sort your results by "Price (lowest to highest)" to see the cheapest fares upfront.
How many flights per day from Lambert-St. Louis Intl. Airport (STL) to Nashua Municipal Airport (ASH)?
Nonstop flights from Lambert-St. Louis Intl. Airport (STL) to Nashua Municipal Airport (ASH) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filters. Enter your travel details and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from STL to ASH?
Friday is generally the busiest day for flights, while Tuesday tends to be the quietest.* Remember that flight schedules can change depending on various factors, such as the time of year and airline.*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 Nashua Municipal Airport (ASH)?
Choose a flight from Lambert-St. Louis Intl. Airport (STL) to Nashua Municipal Airport (ASH) that takes off before 3 PM to reduce the risk of cancellations. Departures after this hour are on average 22% more likely to be 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 Nashua Municipal Airport (ASH) last-minute?
Last-minute bookings from STL to ASH are generally more expensive. To lock in the best prices, start looking for flights ahead of time. That being said, if you can play around with your travel dates, you may land a cheap fare right before you leave.
Can I cancel or change the date of my flight from Lambert-St. Louis Intl. Airport (STL) to Nashua Municipal Airport (ASH)?
In most instances, you're able to cancel or reschedule your STL to ASH flight. However, additional charges may apply, especially if you booked more than 24 hours ago. Double-check your itinerary for the airline's fees and policies on flight changes, or if you want further information, head to our Customer Service portal.

Travel information

Travel information

Origin airport
Lambert-St. Louis Intl.
Destination airport
Nashua Municipal
Distance
1023 mi

Book with confidence

Book with confidence

St. Louis to Nashua Flights

The cheapest times to fly from St. Louis to Nashua

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

 

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

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

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 Nashua 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 St. Louis to Nashua 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 Nashua 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 Nashua Flights

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*Available to One Key members.