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BOS CCU · 7,757 mi · 14h 30m

Boston to Kolkata Flights

Everything you need to know about the BOS → CCU international route — flight time, airlines, fares, and booking tips. Track your flight in real time with TripTrack.

$700-$3060 round trip · 1-2 daily flights · Updated March 2026


✈️ Route Overview

Key facts for the Boston to Kolkata route

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Distance
7,757 miles (12,484 km)
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Avg Flight Time
14h 30m
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Timezone Change
+9h 30m
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Daily Flights
1-2
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Typical Fare
$700-$3060 round trip
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Red-Eye Available
Yes — overnight flights available

🛫 Airlines on This Route

Carriers operating BOS → CCU flights

Airline Notes
Air India Primary carrier on this route
IndiGo Operates this route
Emirates Operates this route
Qatar Airways Operates this route
Etihad Airways Operates this route
Singapore Airlines Operates this route

💡 Booking Tips

How to get the best deal on Boston to Kolkata flights

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Best Days to Fly

Tuesday and Wednesday tend to be cheapest

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Fare Range

$700-$3060 round trip. Book 3–6 weeks in advance for domestic routes, 2–3 months for international.

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Red-Eye Flights

✓ Available

Overnight flights on this route can save on hotel costs and maximize your time at the destination.

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Track Your Flight

Once booked, TripTrack automatically imports your flight from your confirmation email. Real-time gate changes and delay alerts — no manual entry needed.


🧳 Travel Tips for This Route

Practical advice from frequent travelers on the BOS → CCU route

  • 1 Business class lie-flat seats make overnight transatlantic flights much more comfortable.
  • 2 Carry a universal power adapter for European outlets.
  • 3 This ultra-long-haul route (7,757 miles) benefits greatly from lie-flat business class seating.


📱 Real-Time Flight Tracking

Track Your BOS → CCU Flight — Automatically

TripTrack monitors your flight in real time — gate changes, delays, and departure updates sent to your phone the moment they happen. Connect your Gmail once and your trips appear automatically. No manual entry.


Frequently Asked Questions — Boston to Kolkata Flights

How long is the flight from Boston to Kolkata?

The average flight time from Boston (BOS) to Kolkata (CCU) is 14h 30m. This is an estimate including taxi, climb, and descent time — actual flight time may vary based on winds and routing.

Which airlines fly from Boston to Kolkata?

Airlines operating the BOS to CCU route include Air India, IndiGo, Emirates and 3 more. Check each airline's website for current schedules and availability.

How far is Boston from Kolkata?

The great-circle distance from Boston to Kolkata is 7,757 miles (12,484 km). This is the straight-line distance — actual flight paths may be slightly longer.

What are the cheapest days to fly from Boston to Kolkata?

Tuesday and Wednesday tend to be cheapest. Fares on this route typically range $700-$3060 round trip.

Is there a time zone change flying from Boston to Kolkata?

Yes — there is a +9h 30m when flying from Boston to Kolkata. TripTrack automatically shows local times for both your departure and arrival airports.

Are there red-eye flights from Boston to Kolkata?

Yes, overnight (red-eye) flights are available on the BOS to CCU route. These can be a great way to save on hotel costs and maximize time at your destination.

How can I track my Boston to Kolkata flight in real time?

TripTrack automatically tracks your BOS to CCU flight — showing real-time gate changes, delays, and departure updates. Connect your Gmail once and your booking confirmation is imported automatically. Available free on iOS and Android.