Bangkok to Kathmandu BKK, DMK → KTM
Suvarnabhumi Airport (BKK), Don Mueang International Airport (DMK) → Tribhuvan International Airport (KTM)
The cheapest return found recently is $436 with Air India, 11 Apr 2027 – 25 Apr 2027, found yesterday.
Return
The cheapest return fare on each of 12 departure dates is usually $442 to $585.
Cheapest return found recently
$436
11 Apr 2027 – 25 Apr 2027 · Air India
Suvarnabhumi Airport (BKK) → Tribhuvan International Airport (KTM)
Leaves 8:05 a.m. · Return leaves 5:10 p.m. · 22 h of travel, both ways together
out 1 stop, back 1 stop
found yesterday
Cheapest nonstop return
None seen yet.
Found recently, and the cheapest we hold
$436 11 Apr 2027 – 25 Apr 2027found yesterdaySee prices for these dates
It is also the cheapest return we hold, of any age.
What have prices looked like?
Over 25 days, 24 Sept to 18 Oct, the cheapest return we saw each day was $361 to $434.
At $436, the cheapest return found recently is above that range.
25 days is a short history, so treat this range as an early guide.
Those were the prices on those days, not today's.
Is this a good return price?
Compared with the cheapest return fare on each of 12 departure dates from 23 Oct to 24 Sept 2027, found by travelers' searches in the last 7 days (economy, the price the seller showed on Aviasales). The usual range is the middle half of those prices.
Could nearby dates be cheaper?
We hold no other 14-night return fares leaving within 3 days of 11 Apr 2027 to compare.
Every date we hold
23 fares on 12 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 23 Oct – 14 Nov | $747 | IndiGo | Suvarnabhumi Airport (BKK) → Tribhuvan International Airport (KTM) | out 1 stop, back 1 stop | found 5 days ago | See prices for these dates |
| 31 Oct – 24 Nov | $629 | IndiGo | Suvarnabhumi Airport (BKK) → Tribhuvan International Airport (KTM) | out 1 stop, back 1 stop | found today | See prices for these dates |
| 1 Nov – 20 Dec | $580 | IndiGo | Suvarnabhumi Airport (BKK) → Tribhuvan International Airport (KTM) | out 1 stop, back nonstop | found 2 days ago | See prices for these dates |
| 7 Nov – 28 Nov | $600 | IndiGo | Suvarnabhumi Airport (BKK) → Tribhuvan International Airport (KTM) | out 1 stop, back 1 stop | found yesterday | See prices for these dates |
| 10 Nov – 23 Nov | $557 | THAI Airways | Suvarnabhumi Airport (BKK) → Tribhuvan International Airport (KTM) | out nonstop, back 1 stop | found 2 days ago | See prices for these dates |
| 27 Dec – 27 Dec | $536 | Air India | Suvarnabhumi Airport (BKK) → Tribhuvan International Airport (KTM) | out 1 stop, back 1 stop | found 5 days ago | See prices for these dates |
| 28 Feb 2027 – 18 Mar 2027 | $436 | Air India | Suvarnabhumi Airport (BKK) → Tribhuvan International Airport (KTM) | out 1 stop, back 1 stop | found 4 days ago | See prices for these dates |
| 1 Mar 2027 – 15 Mar 2027 | $437 | Air India | Suvarnabhumi Airport (BKK) → Tribhuvan International Airport (KTM) | out 1 stop, back 1 stop | found 3 days ago | See prices for these dates |
| 10 Apr 2027 – 25 Apr 2027 | $454 | Air India | Suvarnabhumi Airport (BKK) → Tribhuvan International Airport (KTM) | out 1 stop, back 1 stop | found 4 days ago | See prices for these dates |
| 11 Apr 2027 – 25 Apr 2027 | $436 | Air India | Suvarnabhumi Airport (BKK) → Tribhuvan International Airport (KTM) | out 1 stop, back 1 stop | found yesterday | See prices for these dates |
| 12 Apr 2027 – 29 Apr 2027 | $444 | Air India | Suvarnabhumi Airport (BKK) → Tribhuvan International Airport (KTM) | out 1 stop, back 1 stop | found 6 days ago | See prices for these dates |
| 24 Sept 2027 – 10 Oct 2027 | $446 | Air India | Suvarnabhumi Airport (BKK) → Tribhuvan International Airport (KTM) | out 1 stop, back 1 stop | found 4 days ago | See prices for these dates |
Which month looks cheapest?
February 2027 is the cheapest month — from $436.
Airlines on the cheapest dates: Air India, IndiGo, THAI Airways.
Premium cabin fares from Bangkok to Kathmandu
We hold no premium economy, business or first-class fares for this route: we collect them for the busiest routes, and this one is not among them yet.
Today's prices for 11 Apr 2027 – 25 Apr 2027 in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for Bangkok to Kathmandu?
Return
Fares 180 or more days before departure were typically 27% lower than 0 to 6 days before departure.
From the cheapest return each day between 24 Sept and 18 Oct (25 days), grouped by how many days ahead the flight left; one adult in economy.
Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.
Prices reflect recent searches — current fares may differ.
See these ranges as a table
| Booked ahead by | Typical fare | Cheapest day | Above the cheapest | Days of prices |
|---|---|---|---|---|
| 0–6 days | $506 | $477 | +36% | 11 |
| 7–13 days | $642 | $506 | +73% | 9 |
| 14–29 days | $555 | $438 | +50% | 25 |
| 30–59 days | $449 | $440 | +21% | 19 |
| 90–179 days | $435 | $435 | +17% | 20 |
| 180+ days | $371 | $361 | Cheapest seen | 25 |
Could a nearby airport be cheaper?
A different airport at either end can change the fare — sometimes a lot.
Return
Pattaya → Kathmandu
101 km from Bangkok
$871
$435 more than flying from Bangkok
4 Jan 2027 – 5 Jan 2027 · UTP → KTM · out 3 stops, back 3 stops
found 4 days ago
Cheapest recent price on each route — round trip, per traveler in Economy. Distances are in a straight line.
Live price for these dates
The cheapest return found recently is for 11 Apr 2027 – 25 Apr 2027. A live search on this page shows what those dates cost now, for one adult in economy.
Prices are what travelers' searches on Aviasales found in the last 7 days, in US dollars: the price the seller showed on Aviasales; bags may cost extra. Fares change, so check today's price before you book. How our prices work