Mae Sai to Khai Si bus with Greenbus

Thu, May 14
+ Add return
Greenbus
FlixBus
Alsa
BlaBlaCar Bus
Rede Expressos
2,000+ travel companies
Greenbus
FlixBus
Alsa
BlaBlaCar Bus
Rede Expressos
2,000+ travel companies
QR-Code
Scan to get our free app
Use our app to get live travel updates and book mobile tickets for trains, buses, flights, and ferries.
App Store
rate4.9
42K ratings
Google Play
rate4.6
136K reviews

The cheapest and fastest buses from Mae Sai to Khai Si

Showing times and prices for May 14

Cheapest price

$57

Average price

$57

Fastest journey

18 h 30 m

Average duration

18 h 30 m

Buses per day

1

Distance

443 km

Cheap tickets

The best way to find a cheap bus ticket from Mae Sai to Khai Si is to book your journey as far in advance as possible and to avoid traveling at rush hour.

The average ticket from Mae Sai to Khai Si will cost around $57 if you buy it on the day, but the cheapest tickets can be found for only $57.

Fast buses

Of the 1 buses that leave Mae Sai for Khai Si on Thu, May 14, 1 travel direct so it’s quite easy to avoid journeys where you’ll have to change along the way.

On Thu, May 14 the direct buses cover the 443 km distance in an average of 18 h 30 m but if you time it right, some buses will get you there in just 18 h 30 m .

On Thu, May 14 the slowest buses will take 18 h 30 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.

  • Greenbus841
    2:00 PM18h30
    Mae Sai, Mae Sai Bus Terminal
    8:30 AMBueng Kan, Bus Terminal
    $571One-way
    0 transfers

Travel Information

Compare bus for Mae Sai to Khai Si

Omio recommends booking the bus as it is the most popular option from Mae Sai to Khai Si among Omio's users. If you are prioritising price take the bus with prices starting from $52. For those with little time consider booking a bus which can get you there in 18h 30m. The ticket price range depends on the travel mode: a bus costs an average of $52, and a bus costs an average of $52.

Distance: 275 miles (443 km)

Compare bus with

Most popular
Bus
Driving

$54

Average price

Cheapest

$24

Average price

(fuel + tolls)

19h 0m

Average total duration

Fastest

18h 30m

Onboard

+

30m

Additional time*

14h 25m

Average total duration

(door-to-door)

Direct Options

Direct Options

The cheapest way to travel from Mae Sai to Khai Si is a bus with an average price of $54 (€43).
The fastest way to travel from Mae Sai to Khai Si is by bus with an average journey time of 18h 30m.
Yes, you can take a bus between Mae Sai and Khai Si.
We recommend using the bus as it is the most popular way to get from Mae Sai to Khai Si among Omio's users.
Take the bus. On this route, it's both cheaper and quicker than driving.

You'll arrive about -5h -5m sooner (18h 30m by bus vs 14h 25m by car) and save roughly $-30.52 (€-24.42) compared to fuel and tolls ($54 (€43) vs $24 (€19)). You also skip the drive itself — no traffic stress, no parking, and you can use the time to work, nap, or catch up on a series with the onboard Wi-Fi.

Direct coaches are operated by Greenbus.

Driving is still worth considering if you're travelling with bulky luggage, need flexibility on departure times, or plan to stop along the way.

Mae Sai to Khai Si Bus Timetables

OperatorDeparture TimeArrival TimeDurationDeparture daysCheapest price
Operator
Greenbus
Departure Time
02:00PM
Arrival Time
08:30AM
Duration
18h30
Departure days
Thu
Cheapest price
$57

Compare prices and tickets Mae Sai to Khai Si by bus

Compare bus 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.

Thu
May 14
Fri
May 15
Sat
May 16
Sun
May 17
Mon
May 18
Tue
May 19
Wed
May 20

Journey information

Overview: Bus from Mae Sai to Khai Si

ThailandThailand
ThailandThailand
Icon of bus

Buses from Mae Sai to Khai Si run on average 1 times per day, taking around 18h 30m. Cheap bus tickets for this journey start at $52 (€41) if you book in advance.

There are 1 buses per day. The earliest bus runs at 07:00, the last at 07:00. The fastest bus covers the 275 miles (443 km) distance in 18h 30m.

Fares are the lowest economy prices found on Omio. Early booking often means lower prices. Prices change daily and are subject to availability. Discount cards, coach trips, and booking fees are not included.
Price information
Distance
275 miles (443 km)
Average bus duration
18h 30m
Cheapest ticket price
$52 (€41)
Buses per day
1
Direct buses
1
Fastest bus
18h 30m
First bus
7:00 AM
Last bus
7:00 AM
Cheapest Month
Apr
Cheapest Day
Mon
High Season
Apr - Jun
Low Season
Jul - Sep
Fares are the lowest economy prices found on Omio. Early booking often means lower prices. Prices change daily and are subject to availability. Discount cards, coach trips, and booking fees are not included.
Price information

Bus providers: Greenbus from Mae Sai to Khai SiYou can travel by bus between Mae Sai to Khai Si with Greenbus for as low as $52 (€41). When you search for schedules and tickets, Omio will show you the best journey

Greenbus

Luggage & cancellation policy
Average Duration
18h 30m
Cheapest Price
$52 (€41)
Greenbus frequency
1 a day

FAQs: Bus from Mae Sai to Khai Si

Find answers to the most common questions about traveling from Mae Sai to Khai Si by bus. 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 bus, the cheapest option, or tips for making the most of your visit at Khai Si, this guide helps you travel smarter and with confidence.

FAQs
Cheap bus tickets from Mae Sai to Khai Si can start from as little as $52 (€41) when you book in advance. The average bus ticket price for Mae Sai to Khai Si is $54 (€43) ; however, prices vary depending on the time of day and class and they tend to be more expensive on the day.
The average journey time by bus from Mae Sai to Khai Si is 18h 30m to travel the 275 miles (443 km) long journey. Journey times can vary on weekends and holidays, so use our Journey Planner to search for a specific date.
The earliest bus from Mae Sai to Khai Si leaves at 7:00 AM. Plan your trip with the Journey Planner from Omio.
The latest bus from Mae Sai to Khai Si leaves at 7:00 AM.
Yes, there are 1 direct buses a day from Mae Sai to Khai Si with Greenbus. Schedules can vary on holidays or weekends with fewer direct buses.
When taking a bus from Mae Sai to Khai Si, you can count on Greenbus for the best way to get you to Khai Si. You can also check all possible bus companies who offer a service between Mae Sai and Khai Si and compare the amenities they offer before buying a bus ticket.
Passengers board the bus most frequently from Mae Sai, Mae Sai Bus Terminal, which is located around 3 away from the city centre, and they get off the bus at Bueng Kan, Bus Terminal, located 0 away from the city centre.
A trip to Khai Si from Mae Sai is worth doing but not as a day trip with a journey time of 18h 30m each way. Check with Omio app the best way to travel.
The cheapest month for a bus from Mae Sai to Khai Si is April.
Yes, you can take a bus between Mae Sai and Khai Si.
No, the bus from Mae Sai to Khai Si has no accessibility options.
No, there are no bathrooms on board the bus from Mae Sai to Khai Si.
No, bikes are not allowed on board the bus from Mae Sai to Khai Si.
Tickets are often cheaper when booked early. Traveling during off-peak hours or on weekdays can help you save money. Sort results by price to quickly identify the most affordable options. Check for promotions or discounts available on our website and app.
No, there is no food available to purchase on board the bus from Mae Sai to Khai Si.
No, luggage for the bus from Mae Sai to Khai Si needs to be booked in addition.
No, there are no additional luggage options for the bus from Mae Sai to Khai Si.
Unfortunately, pets are not allowed on the bus from Mae Sai to Khai Si.
No, there are no USB plugs on board the bus from Mae Sai to Khai Si.
No, there is no WiFi on board the bus from Mae Sai to Khai Si.
Since neither Mae Sai nor Khai Si are in the Schengen Area, passport requirements depend on the specific immigration rules of Thailand and Thailand. Entry and visa requirements can be subject to change. For the latest information, check with your destination's embassy or consulate.
We recommend using the bus as it is the most popular way to get from Mae Sai to Khai Si among Omio's users.
Thailand uses the Thai Baht (THB) as its currency. Travelers often find it convenient to use cash for small purchases, markets, and transportation, while cards are widely accepted in hotels, restaurants, and larger stores. Carrying some cash is advisable, but using cards can offer better security and exchange rates in urban areas.
In Khai Si, travelers should be cautious of common scams such as overpriced transportation and unofficial taxi services. It's important to agree on fares beforehand and avoid accepting unsolicited offers. Additionally, petty theft can occur in crowded areas, so keeping belongings secure is advised. Road safety is also a concern due to varying traffic conditions, so choosing reputable transport options is recommended.
Pack lightweight, versatile clothing suitable for the destination's climate, and use secure, lockable luggage to protect belongings. Keep essential items like travel documents, medication, and valuables in a carry-on bag for easy access. Use packing organizers or cubes to maximize space and maintain order. Lastly, include a small first aid kit and personal hygiene items for added comfort during travel.

popular bus stations

Popular bus stations from Mae Sai to Khai Si

Mae Sai
Khai Si
Amenities at bus station
ParkingParking
DiningDining
ATMATM
TaxisTaxis
AccessibilityAccessibility
WCWC
Ticket OfficeTicket Office
information
ticketOfficeHours
Ticket Office Hours
  • 06:00-18:00
ticketOfficeHours
Distance to city center
3 km
carConnection
Car connection
Phaholyothin Road
Parking
Parking
  • Free parking available at the terminal
Dining
Dining
  • Small local food stalls and vendors around the terminal
Taxis
Taxis
  • Available at the terminal entrance
Accessibility
Accessibility
  • Ground level access
WC
WC
  • Basic facilities available
Public transit options for Mae Sai, Maesai Bus Terminal
  • Local songthaews and tuk-tuks
HomeBusesBuses in ThailandMae Sai to Khai Si bus

The Omio App Makes Travel Planning Easy

We’ll get you where you want to go. From live train updates to mobile tickets, our innovative app is the ideal way to plan and keep track of your travel.

ios-badge
android-badge
Hand With Phone