Cheap flights from San Antonio to New London (SAT to GON)

Groton featuring a bridge and a river or creek

Popular airlines from San Antonio International Airport (SAT) to New London, CT (GON-Groton - New London)

American Airlines
American Airlines
United
United
Southwest Airlines
Southwest Airlines
Delta
Delta
Frontier Airlines
Frontier Airlines
JetBlue Airways
JetBlue Airways
Alaska Airlines
Alaska Airlines

Plan, book, fly with confidence
Be in the know
Get alerts if flight prices drop or rise*
Book smarter
Save up to 30% on select hotels after you book a flight*
Earn twice
Earn your airline miles on top of our OneKeyCash
Learn about One Key

Find available prices by choosing your travel dates.

Frequently asked questions

Is it cheaper to buy a plane ticket from San Antonio Intl. Airport (SAT) to GON last minute?

Booking your trip from SAT to GON last minute could save you a pretty penny if you hit the jackpot and find a real bargain. However, airfares usually don’t come down in price closer to the departure date. If you hold off, flights could also be booked up or the best seats gone (that could mean the middle seat!). If you don’t want to hedge your bets, book well ahead of when you want to leave. Don’t forget that some of the biggest bargains can be found up to a year in advance. If your preferred airline hasn’t released its fares yet, check back regularly as offers are updated on Expedia constantly.

What airports do you fly into for Groton from San Antonio?

From San Antonio, you can fly into Groton through New London, CT (GON-Groton - New London), T.F. Green Airport (PVD) and Hartford, CT (HFD-Hartford - Brainard). Do some research into which airport is the most convenient for you before you make a decision. If you go with New London, CT (GON-Groton - New London), it’s about 2 mi southeast of the center of the city. Use the dollars you save when booking your airfare with Expedia to tour the city’s well-known attractions, such as Mystic Seaport - The Museum of America and the Sea and Mystic Seaport.

Can I change the date of my flight from San Antonio Airport to GON?

You can quickly and easily make changes to your SAT to GON ticket via the Expedia Trips portal. Before making any amendments, read over the conditions in your itinerary to see what the airline will let you do and if fees apply for changes. Some airlines have a change fee per person, plus any difference in fare prices. However, if you booked in the last 24 hours, you may be able to cancel for free and book new flights. You can also head to our Customer Service portal for more useful advice and to connect with our Virtual Agent.

Travel information

Origin airport	San Antonio Intl.
Destination airport	Groton - New London
Distance	1686 mi

Book with confidence

The cheapest times to fly from San Antonio to New London

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 San Antonio to New London are during the month of . You can find some of the cheapest flights from San Antonio to New London with Expedia's search tool and vast selection of airlines.

The best time to book a flight from San Antonio to New London

Sunday is one of the best days to book for cheap flights from San Antonio to New London: 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 San Antonio to New London

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 San Antonio to New London 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 San Antonio to New London 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 San Antonio to New London 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.

Be inspired and discover more with Expedia

Flights

Flights

*Available to One Key members.

Unlock instant savings with Member Prices

Cheap Flights from San Antonio (SAT) to New London (GON)

Travelers