Bangkok to Kathmandu (BKK–KTM) — Airlines, Schedules & Connections

BKK Airport Page →
1,385 mi airlines 14/wk
On-time Some delays Frequent delays
Flight Schedule 5 flights Verified 1h ago
Nonstop 1-Stop 2-Stop Hide separate tickets Hide overnight Hide codeshares
  Flight Airline AC Dep Arr Dur OTP Sched  
✈ Nonstop
✓
→
TG319
TG Thai
320
10:15 AM
+07
12:25 PM
+0545
3h 25m
—
M T W T F S S
Prices
✓
→
TG309
TG Thai
320
8:50 PM
+07
11:00 PM
+0545
3h 25m
—
M T W T F S S
Prices
✓
←
RA401
RA Nepal
320
11:10 AM
+0545 TI
3:45 PM
+07
3h 20m
—
M T W T F S S
Prices
✓
←
TG320
TG Thai
320
1:30 PM
+0545 TI
6:15 PM
+07
3h 30m
—
M T W T F S S
Prices
✓
←
TG310
TG Thai
320
11:56 PM
+0545 TI
4:09 AM+1
+07
2h 58m
—
M T W T F S S
Prices

No flights match your filters.

No nonstop flights on this route. connecting options below.

✦ 1-STOP More options, longer trips
✧ 2-STOP Loading... Reach the hardest destinations
Bangkok to Kathmandu
1 carrier, 14 flights/week nonstop.
1 Airlines 14 Flights/wk 1,385 mi 3h 25m nonstop -1.25h behind 20 1-stop hubs

BKK–KTM is served by 1 airline with nonstop service. Thai Airways leads the route. The flight covers 1,385 miles in approximately 3h 25m. Beyond nonstop, 20 hubs offer 1-stop connections.

Also explore BKK Routes KTM Routes BKK Live Flights KTM Live Flights
Carriers on this route

Airline Landscape

All carriers operating nonstop BKK–KTM service, compared side by side.
Airline Freq/wk Aircraft Duration Dep OTP Alliance Codeshares
TG Thai Airways 14 320 3h25 – Star Alliance –
Aircraft on this route
320 Airbus A320 – TG
Alliance coverage
Star Alliance: TG (14 flights/wk, 100%)
OTP based on airport-level delay snapshots. Duration ranges reflect seasonal/directional variation.
Schedule

Weekly Schedule Pattern

Nonstop flight frequency by day of week, BKK to KTM direction.
Mon
2
flights
Tue
2
flights
Wed
2
flights
Thu
2
flights
Fri
2
flights
Sat
2
flights
Sun
2
flights
Departure time distribution
12 AM6 AM12 PM6 PM12 AM
Morning departures
Afternoon/evening departures
2
Nonstop flights
14
Outbound / wk
17
Return / wk
Connections

Connection Landscape

Beyond nonstop. 1-stop and 2-stop options for BKK to KTM.
1-STOP
One-Stop Connections
20
Hubs
~5h
Fastest
~26h
Longest
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
1,068
Candidates
Two-stop connections loaded in the connections tab above.
Connections computed from published schedules with minimum connection time verification. Use the interactive explorer above the fold to filter by airline, tier, and layover time.
Alternatives

Other ways to reach Kathmandu from Bangkok

Nearby airports with service to Tribhuvan International Airport.
Metric BKK→KTM DMK→KTM
Distance from BKK – 19 mi
Nonstop airlines 1 2
Weekly flights 14 8
Flight time 3h 25m 3h 20m
Bangkok (DMK) to Kathmandu flights
Airports within 200 miles of BKK with service to Tribhuvan International Airport.
Know before you go

Travel Essentials

Practical planning for this route.
Time Difference
-1.25h
Kathmandu is 1.25 hours behind Bangkok.
BKK: +07 · KTM: +0545

When it's 6:00 PM in Bangkok, it's 4.75:00 PM in Kathmandu.
Distance & Flight Time
1,385 mi / 2,230 km
Nonstop flight time is approximately 3h 25m.
Getting to BKK

Airport Rail Link (ARL) runs from Phaya Thai station to Suvarnabhumi in 30 minutes (฿45 City Line; ฿90–130 Express, though Express service is often suspended). Trains run 6am to midnight. Transfer at Makkasan for MRT or Phaya Thai for BTS Skytrain.Metered taxis cost ฿250–400 from central Bangkok plus expressway tolls (฿50–75); expect 40–90 minutes depending on traffic. Avoid non-metered taxis; insist on the meter. Ride-share apps (Grab) are widely used and typically cost ฿200–350.

Facts

BKK–KTM Quick Facts

Key statistics for the Bangkok to Kathmandu route.
Route details
Distance1,385 mi / 2,230 km
Flight time3h 25m
Time difference-1.25 hours
Airlines (nonstop)1
Weekly flights14 out / 17 return
1-stop connections20 hubs
Origin: BKK
Full nameSuvarnabhumi Airport
IATA / ICAOBKK / VTBS
TimezoneAsia/Bangkok
Passengers/yr62.2M
Elevation5 ft / 2 m
Destination: KTM
Full nameTribhuvan International Airport
IATA / ICAOKTM / VNKT
TimezoneAsia/Kathmandu
Passengers/yr5.5M
Elevation4,390 ft / 1,338 m
FAQ

Frequently Asked Questions

Common questions about BKK to KTM flights.
Nonstop flights from Suvarnabhumi Airport to Tribhuvan International Airport take approximately 3h 25m. The route covers 1,385 miles.
1 airline operates nonstop service: Thai Airways.
There are approximately 14 nonstop flights per week from BKK to KTM. The return direction has about 17 weekly flights.
Yes, 1-stop connections are available through CCU, PBH, VNS, DAC, BLR, TFU, DEL, HKG, KMG, CAN, BOM, ICN, DXB, AUH, KUL, DOH, SHJ, IST, CMB and SIN. These options provide additional schedule flexibility.
Kathmandu is 1.25 hours behind Bangkok.
Yes, return flights from KTM to BKK are available. Use the direction toggle at the top to view the return schedule.
Nearby alternatives include DMK. See the Alternatives section for a full comparison.
Click the 'Search Flights' button to check availability and prices on Google Flights. You can also compare airlines and schedules on this page to find the best option.
Route data is updated regularly from official airline schedules. On-time performance data comes from recent airport delay snapshots.

Flights from BKK to KTM

Suvarnabhumi Airport (BKK) and Tribhuvan International Airport (KTM) are connected by nonstop service from Thai Airways. With 14 weekly departures, this is a well served route.

BKK to KTM Flight Duration and Schedule

Nonstop flight time from BKK to KTM ranges from 3 hours 25 minutes. The route covers a distance of 1,385 miles (2,230 km). There are approximately 14 weekly flights outbound and 17 return, totaling 31 flights per week in both directions.

Connecting Options and Alternatives

20 one-stop connections are available, with the fastest taking approximately 5 hours via CCU. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Bangkok (DMK).