Over 1 bus services operate daily between Karnal and Sitamarhi, including both RTC and private bus operators. This journey covers a distance of 1107 kms in around 32 hrs 0 mins. You can book affordable bus tickets from Karnal to Sitamarhi starting from IINR 1999 - INR 3199.00. The first bus departs at 20:30 while the last bus departs at  20:30. Some of the popular bus boarding points are Karnal Bypass, whereas the preferred dropping points are Sitamarhi. You can choose your preferred top-rated bus operators running from Karnal to Sitamarhi, such as , offering Volvo, AC or Non-AC Sleeper, Seater and others, depending on your travel needs. 

With high frequency, consistent availability, and varied choices for every kind of passenger, the Karnal to Sitamarhi bus service caters to both regular commuters and first-time travellers.

The first bus departs at 20:30, while the last bus departs at 20:30 on the Karnal to Sitamarhi bus route, offering travellers round-the-clock options. Whether you prefer to travel early in the morning, during the day, or overnight, this route provides enough flexibility to suit different schedules.
Premium buses like Volvo Multi-Axle coaches typically run through the night, while non-AC sleeper and AC sleeper buses are available throughout the day. 

The distance between Karnal and Sitamarhi is approximately 1107 kms, which provides a direct and well-maintained route between the two cities. The journey takes around 32:00, the duration may vary depending on the type of bus, traffic conditions, and number of stops. Premium services such as Volvo and Scania multi-axle buses complete the journey faster due to limited stoppages, while non-AC and local buses may take longer. Highway amenities and rest stops make the ride comfortable for passengers.

The Karnal to Sitamarhi bus ticket price ranges from INR 1999 - INR 3199.00, depending on bus type, operator, time, and comfort level. Prices are usually lower for non-AC seaters and higher for premium services like Volvo and AC sleeper coaches. Ticket prices may also change based on how early you book, travel dates, and peak demand periods like weekends or holidays. 

Some of the top Dropping Points in Sitamarhi are Sitamarhi

Passengers can choose based on travel time, comfort level, and price. From basic seaters to luxury multi-axle coaches, each type offers different features. AC options are ideal for long-distance or overnight travel, while non-AC buses work well for short and budget-friendly trips. The following bus types operate between Karnal and Sitamarhi, catering to varied budgets and preferences:

The following types of buses run on the Karnal and Sitamarhi bus route:

Booking a Karnal to Sitamarhi bus ticket on redBus is quick and efficient. You can compare prices, seat layouts, departure timings, and operator ratings, all in one place. Simply enter your journey details, choose a bus that suits your schedule, and pay securely using UPI, wallets, or cards. Features like live tracking, instant refund, and return trip booking make the process smooth and reliable.

Why Choose redBus for Bus Booking?

• Real-time availability and live seat layout.
• Secure UPI, card, and wallet payments.
• Easy refunds, reschedules, and cancellations.
• Filters by rating, price, departure time, and more.
• Live bus tracking during the journey.

Stepwise Instructions to Book a Bus from Karnal to Sitamarhi

1. Visit the redBus website or application.
2. Enter “Karnal” as the departure city and “Sitamarhi” as the destination.
3. Select your preferred travel date.
4. Click ‘Search Buses’ to see available bus options.
5. Use filters for bus type, timings, price, and operator.
6. Choose your preferred seat, boarding and dropping points.
7. Enter your personal and contact details to proceed with bus ticket booking.
8. Complete the payment to receive an instant e-ticket.

For your return journey, book a Sitamarhi to Karnal bus on redBus 

Travelling by bus from Karnal to Sitamarhi is easy and comfortable. But with a few simple tips, your trip can be even better. Whether you travel often or this is your first time, these ideas will help you plan well and enjoy a smooth journey.

• Book early - prices increase during weekends.
• Choose evening buses to save on hotel costs.
• Look for highly-rated operators.
• Keep your ID proof handy at the boarding.
• Reach your Karnal to Sitamarhi bus stop 15 minutes early.
• Use filters to narrow your bus choices.
• Track your bus live on redBus.
• Contact customer support on the app in case of delays.
• Carry water, snacks, a power bank, and earphones.
• Choose stops closer to metro stations.
• Always double-check the boarding point in advance.
• Avoid last-minute bookings during festivals.
• Pick lower berths if you prefer easy access.
• Consider refund protection for emergencies.