India Domestic Flight Routes — Complete Guide to 620+ Routes

June 2026 8 min read Route Guide TheBookFlight Team

India's domestic aviation network connects over 100 airports across the country. TheBookFlight covers 620+ domestic routes, making it easy to search live fares for any major connection. This guide highlights the busiest domestic routes and regional hubs.

India's Busiest Domestic Routes

These metro-to-metro routes carry the highest passenger traffic in India:

1. Delhi ↔ Mumbai

India's busiest air corridor. Frequent flights throughout the day from multiple airlines connect India's political and financial capitals.

Delhi → Mumbai Check fare → Mumbai → Delhi Check fare →

2. Delhi ↔ Bengaluru

Major connection between the capital and India's IT hub. High frequency with both full-service and budget carriers.

Delhi → Bengaluru Check fare → Bengaluru → Delhi Check fare →

3. Mumbai ↔ Bengaluru

High-traffic western-southern corridor connecting two of India's largest cities.

Mumbai → Bengaluru Check fare → Bengaluru → Mumbai Check fare →

4. Delhi ↔ Hyderabad

Growing route connecting Delhi to Hyderabad's business and pharma hubs.

Delhi → Hyderabad Check fare → Hyderabad → Delhi Check fare →

5. Delhi ↔ Kolkata

Major east-west corridor connecting northern and eastern India.

Delhi → Kolkata Check fare → Kolkata → Delhi Check fare →

Regional Hub Routes

Patna — Bihar's Air Gateway

Patna Airport (PAT) connects Bihar to major cities and is the primary air hub for eastern India's largest state. Demand spikes during Chhath Puja and Diwali.

PAT → DEL → PAT → BOM → PAT → BLR → PAT → HYD →

Read the full Patna Flight Route Guide →

Goa — Leisure & Tourism Hub

Goa's Dabolim Airport (GOI) is one of India's busiest leisure destinations, with connections from all major metros.

DEL → GOI → BOM → GOI → BLR → GOI →

Chennai — South India's Gateway

Chennai Airport (MAA) connects Tamil Nadu to the rest of India with extensive domestic service.

DEL → MAA → BOM → MAA → BLR → MAA →

How to Search Domestic Flights

Visit any route page — use the route cards above or browse our Domestic Flights hub
Enter your travel date — fares vary by date and advance booking
Compare options — see available airlines, times, and fares
Book with confidence — fares are revalidated before payment

Fare note: All fares shown are checked again before payment. The price you see at the payment step is the final price. Fares may change based on airline availability and demand.

Tips for Domestic Flight Booking

Search early: 2-4 weeks before travel typically offers better availability
Be flexible: Mid-week flights (Tuesday, Wednesday) often have better fare options
Off-peak timing: Early morning and late evening flights may have more availability
Check baggage: Included baggage varies by airline and fare type
Festival awareness: Demand peaks during Diwali, Chhath, summer holidays — plan ahead

Airport Guides

Patna Airport Guide — Jay Prakash Narayan International (PAT)
Delhi Airport Guide — Indira Gandhi International (DEL)
Mumbai Airport Guide — Chhatrapati Shivaji Maharaj (BOM)

Browse All 620+ Routes

Live fares · No fake prices · Fare revalidation before payment

About this guide: Route availability, frequency, and airline options change with airline schedules. This guide is for general information. Check individual route pages for live search.

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