How long is the flight to Boston?

The flight time is about 3.25 hours.

Is it better to fly or drive?

Flying is much faster and more practical.

Are there direct flights?

Yes, there are many direct flights from Miami to Boston.

There is no direct train service from Key Largo to Boston.

Key Largo

Boston

Flight

Key Largo to Boston

Updated: 28 May 2026

The distance from Key Largo to Boston is approximately 2,400 kilometers. The most practical way to travel is to drive to Miami International Airport and take a flight to Boston Logan International Airport (BOS). Driving is possible but takes over 24 hours. Boston is a historic city known for its role in the American Revolution and its world-class universities.

Total Distance: 2,400 km driving distance; 2,200 km straight-line air distance.

Fastest Way

Flying is the only practical way to travel this distance in a reasonable time.

Cheapest Way

Flying from Miami is the most cost-effective and time-efficient method.

Compare Key Largo to Boston Routes

Flight

Direct

Duration

3 hours 15 mins (flight time)

Avg Price

$250-$500

Operator

JetBlue

Route

MIA to BOS

Book your flight in advance for the best prices.

Travel Tips

Airport Transport
Use the T or ride-sharing to get to the airport in Miami.
Packing
Pack for the weather in Boston, which can be very different from Florida.
Navigation
Use the T to navigate Boston easily.
Sun Protection
Even in Boston, wear sunscreen during the summer.
Hydration
Stay hydrated while traveling.