The cheapest and fastest trains from Groton, CT to Boston, MA
Cheapest price
$12
Average price
$25
Fastest journey
1 h 40 m
Average duration
1 h 41 m
Trains per day
2
Distance
140 km
The best way to find a cheap train ticket from Groton, CT to Boston, MA is to book your journey as far in advance as possible and to avoid traveling at rush hour.
The average ticket from Groton, CT to Boston, MA will cost around $25 if you buy it on the day, but the cheapest tickets can be found for only $12.
Of the 2 trains that leave Groton, CT for Boston, MA on Sun, Mar 22, 2 travel direct so it’s quite easy to avoid journeys where you’ll have to change along the way.
On Sun, Mar 22 the direct trains cover the 140 km distance in an average of 1 h 41 m but if you time it right, some trains will get you there in just 1 h 40 m .
On Sun, Mar 22 the slowest trains will take 1 h 42 m and usually involve a change or two along the way, but you might be able to save a few pennies if you’re on a budget.




Live departures
Groton, CT to Boston, MA train times
The table below shows live departures for Groton, CT to Boston, MA trains for today, Friday, March 20. You can also manually refresh the results below to see updated train journeys.
| Provider | Departs | Duration | Arrives | Transfers | Tickets |
|---|---|---|---|---|---|
172 Northeast Regional | 5:35 PM New London Union Station, New London, CT | 1h53 | 7:28 PM South Station, Boston, MA | 0 transfersDirect | |
172 Northeast Regional | 5:35 PM New London Union Station, New London, CT | 1h43 | 7:18 PM Back Bay station, Boston, MA | 0 transfersDirect | |
86 Northeast Regional | 7:06 PM New London Union Station, New London, CT | 1h39 | 8:45 PM Back Bay station, Boston, MA | 0 transfersDirect | |
86 Northeast Regional | 7:06 PM New London Union Station, New London, CT | 1h46 | 8:52 PM South Station, Boston, MA | 0 transfersDirect | |
174 Northeast Regional | 9:05 PM New London Union Station, New London, CT | 1h59 | 11:04 PM South Station, Boston, MA | 0 transfersDirect | |
174 Northeast Regional | 9:05 PM New London Union Station, New London, CT | 1h51 | 10:56 PM Back Bay station, Boston, MA | 0 transfersDirect | |
| Saturday, March 21 | |||||
94 Northeast Regional | 12:14 AM New London Union Station, New London, CT | 1h52 | 2:06 AM South Station, Boston, MA | 0 transfersDirect | |
94 Northeast Regional | 12:14 AM New London Union Station, New London, CT | 1h46 | 2:00 AM Back Bay station, Boston, MA | 0 transfersDirect | |
![]() | 12:38 AM Groton, CT | 1h40 | 2:18 AM Boston, MA | 0 transfersDirect | |
176 Northeast Regional | 1:55 AM New London Union Station, New London, CT | 1h55 | 3:50 AM South Station, Boston, MA | 0 transfersDirect | |
176 Northeast Regional | 1:55 AM New London Union Station, New London, CT | 1h48 | 3:43 AM Back Bay station, Boston, MA | 0 transfersDirect | |
178 Northeast Regional | 2:32 AM New London Union Station, New London, CT | 1h38 | 4:10 AM Back Bay station, Boston, MA | 0 transfersDirect | |
178 Northeast Regional | 2:32 AM New London Union Station, New London, CT | 1h43 | 4:15 AM South Station, Boston, MA | 0 transfersDirect | |
This is the last train of the day. | |||||
Find all the dates and times for this journey
Compare prices and tickets Groton, CT to Boston, MA by train
Compare train prices over the next three weeks. See the best deals at a glance, find the lowest fares, and choose the option that fits your budget.
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Journey information
Overview: Train from Groton, CT to Boston, MA
Trains from Groton, CT to Boston, MA run on average 17 times per day, taking around 1h 42m. Cheap train tickets for this journey start at $12 (€10) if you book in advance.
There are 17 trains per day. The earliest train runs at 06:00, the last at 23:37. The fastest train covers the 86 miles (140 km) distance in 1h 39m.
Distance 86 miles (140 km) |
Average train duration 1h 42m |
Cheapest ticket price $12 (€10) |
Trains per day 17 |
Direct trains 17 |
Fastest train 1h 39m |
First train 06:00 |
Last train 23:37 |
Cheapest month Jan |
Cheapest day Wed |
High season Jul - Sep |
Low season Jan - Mar |
Busiest day Fri |
Least busy day Fri |
Best day to book ahead 49 days |
Train companies: Amtrak from Groton, CT to Boston, MA trainsAmtrak trains will get you between Groton, CT and Boston, MA from $12 (€10). With over 1000 travel companies on Omio, you can find the best train times and tickets for your trip.
Amtrak
FAQs: Trains from Groton, CT to Boston, MA
Find answers to the most common questions about traveling from Groton, CT to Boston, MA by train. From journey times and ticket prices to direct connections, first and last departures, and even whether the route is scenic, our FAQs cover everything you need to plan your trip. Whether you’re looking for the fastest train, the cheapest option, or tips for making the most of your visit at Boston, MA, this guide helps you travel smarter and with confidence.

popular train stations
Popular train stations from Groton, CT to Boston, MA
- 5:00 AM - 11:00 PM Monday - Sunday
- Free
- The car park is open 24/7. Access via Atlantic Avenue.
- Legal Sea Foods
- Tavern in the Square
- Outside the main entrance.
- Elevators, restrooms.
- $0.50
- InterContinental Boston
- The Langham, Boston
- Boston Harbor Hotel
- Located in the main hall
- Avis
- Budget
- Enterprise
- Located in the main hall
- Free
- Hall 1: main entrance, platforms 1-5 for Amtrak services
- Hall 2: platforms 6-13 for MBTA Commuter Rail services
- Bus terminal located on the upper level.
- Subway: Red Line
- Bus: Several lines available
- Commuter Rail: Multiple lines
- 5:00 AM - 1:00 AM Monday - Sunday
- Free
- Parking is available nearby with several garages in the vicinity.
- Sorellina
- Atlantic Fish Company
- Outside the main entrance.
- Elevators, ramps, restrooms.
- $0.50
- Copley Square Hotel
- The Westin Copley Place
- Fairmont Copley Plaza
- Located in the main hall
- Avis
- Enterprise
- Located in the main hall
- Free
- Hall 1: main entrance, platform 1-3 for Amtrak and MBTA Commuter Rail
- Hall 2: Orange Line subway platforms
- Subway: Orange Line
- Bus: Several lines available
- Commuter Rail: Framingham/Worcester Line, Franklin Line, Needham Line, Providence/Stoughton Line
Most popular train connections from Groton, CT
More options for your journey from Groton, CT to Boston, MA
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