Cheap flights from Dehradun to Kathmandu from $108 DED → KTM
Dehra Dun Airport (DED) → Tribhuvan International Airport (KTM)
The cheapest return found recently is $281 with IndiGo, 10 Dec – 14 Dec, found yesterday. The cheapest one-way found recently is $108 with IndiGo, 18 Nov, found today.
- Cheapest one-way found recently
- $108, IndiGo, found today
- Cheapest return found recently
- $281, 10 Dec to 14 Dec
- Usual return price
- $287 to $289
- Cheapest month to fly
- December 2026, return fares from $281 found in the last 7 days
Return
The cheapest return fare on each of 5 departure dates is usually $287 to $289.
Cheapest return found recently
$281
10 Dec – 14 Dec · IndiGo
Dehra Dun Airport (DED) → Tribhuvan International Airport (KTM)
Leaves 8:05 p.m. · Return leaves 8:50 p.m. · 36 h 20 min of travel, both ways together
out 1 stop, back 1 stop · via Indira Gandhi International Airport (DEL) · overnight connection · 20 h connection
found yesterday
Cheapest nonstop return
None seen yet.
Found recently, and the cheapest we hold
$281 10 Dec – 14 Decfound yesterdaySee prices for these dates
It is also the cheapest return we hold, of any age.
What have prices looked like?
Over 19 days, 25 Oct to 12 Nov, the cheapest return we saw each day was $281 to $320.
At $281, the cheapest return found recently is at the low end of that range.
19 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 5 departure dates from 18 Nov to 12 Dec, 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?
No. We hold 4-night return fares on 3 other departure dates within 3 days of 10 Dec, and none is cheaper.
Every date we hold
32 fares on 5 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 18 Nov – 22 Nov | $313 | Air India | Dehra Dun Airport (DED) → Tribhuvan International Airport (KTM) | out 1 stop, back 1 stop | found 3 hours ago | See prices for these dates |
| 9 Dec – 13 Dec | $289 | IndiGo | Dehra Dun Airport (DED) → Tribhuvan International Airport (KTM) | out 1 stop, back 1 stop | found yesterday | See prices for these dates |
| 10 Dec – 14 Dec | $281 | IndiGo | Dehra Dun Airport (DED) → Tribhuvan International Airport (KTM) | out 1 stop, back 1 stop | found yesterday | See prices for these dates |
| 11 Dec – 15 Dec | $289 | IndiGo | Dehra Dun Airport (DED) → Tribhuvan International Airport (KTM) | out 1 stop, back 1 stop | found 3 days ago | See prices for these dates |
| 12 Dec – 17 Dec | $287 | IndiGo | Dehra Dun Airport (DED) → Tribhuvan International Airport (KTM) | out 1 stop, back 1 stop | found 9 hours ago | See prices for these dates |
Which month looks cheapest?
December 2026 is the cheapest month — from $281.
One-way
Not enough comparable prices yet for a usual one-way price.
Cheapest one-way found recently
$108
18 Nov · IndiGo
Dehra Dun Airport (DED) → Tribhuvan International Airport (KTM)
Leaves 8:05 p.m. · 13 h 25 min trip
1 stop · via Indira Gandhi International Airport (DEL) · overnight connection · 11 h connection
found today
Cheapest nonstop one-way
None seen yet.
Found recently, and the cheapest we hold
$108 18 Novfound todayOpen this trip
It is also the cheapest one-way we hold, of any age.
What have prices looked like?
Over 37 days, 25 Sept to 12 Nov, the cheapest one-way we saw each day was $111 to $208.
At $108, the cheapest one-way found recently is below that range.
Those were the prices on those days, not today's.
Is this a good one-way price?
Not enough comparable prices yet: we hold one-way fares on 1 departure date and need at least 3 to say what is usual.
Could nearby dates be cheaper?
We hold no other one-way fares leaving within 3 days of 18 Nov to compare.
Every date we hold
7 fares on 1 departure dates
See every date as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 18 Nov | $108 | IndiGo | Dehra Dun Airport (DED) → Tribhuvan International Airport (KTM) | 1 stop | found today | Open this trip |
Airlines on the cheapest dates: IndiGo.
Premium cabin fares from Dehradun 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 10 Dec – 14 Dec in another cabin: Premium economy · Business · First
Today's prices for 18 Nov in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for Dehradun to Kathmandu?
Return
Fares 14 to 29 days before departure were typically 9% lower than 0 to 6 days before departure.
From the cheapest return each day between 25 Oct and 12 Nov (19 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 | $317 | $317 | +10% | 7 |
| 7–13 days | $321 | $320 | +11% | 7 |
| 14–29 days | $289 | $281 | Cheapest seen | 16 |
| 180+ days | $390 | $390 | +35% | 8 |
One-way
Fares 60 to 89 days before departure were typically 21% lower than 14 to 29 days before departure.
From the cheapest one-way each day between 25 Sept and 12 Nov (37 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 |
|---|---|---|---|---|
| 14–29 days | $163 | $115 | +26% | 18 |
| 30–59 days | $141 | $136 | +9% | 10 |
| 60–89 days | $129 | $129 | Cheapest seen | 8 |
Could a nearby airport be cheaper?
A different airport at either end can change the fare — sometimes a lot.
Return
Chandigarh → Kathmandu
129 km from Dehradun
$312
$31 more than flying from Dehradun
15 Dec – 16 Dec · IXC → KTM · out 1 stop, back 1 stop
found 2 days ago
Cheapest recent price on each route — round trip, per traveler in Economy. Distances are in a straight line.
One-way
Chandigarh → Kathmandu
129 km from Dehradun
$144
$36 more than flying from Dehradun
26 Nov · IXC → KTM · 1 stop
found 6 days ago
Cheapest recent price on each route — one way, per traveler in Economy. Distances are in a straight line.
Live price for these dates
The cheapest return found recently is for 10 Dec – 14 Dec. A live search on this page shows what those dates cost now, for one adult in economy.
Questions about this trip
How much is a return flight from Dehradun to Kathmandu?
The cheapest return found recently is $281 with IndiGo, 10 Dec to 14 Dec, found yesterday. The cheapest return fare on each of 5 departure dates is usually $287 to $289.
How much is a one-way flight from Dehradun to Kathmandu?
The cheapest one-way found recently is $108 with IndiGo, 18 Nov, found today.
What is the cheapest month to fly from Dehradun to Kathmandu?
December 2026 is the cheapest month for a return, from $281, 10 Dec to 14 Dec, found yesterday.
How far ahead should I book a flight from Dehradun to Kathmandu?
In 19 days of prices between 25 Oct and 12 Nov, return fares 14 to 29 days before departure were typically 9% lower than 0 to 6 days before departure. In 37 days of prices between 25 Sept and 12 Nov, one-way fares 60 to 89 days before departure were typically 21% lower than 14 to 29 days before departure.
How long is the flight from Dehradun to Kathmandu?
The cheapest one-way found recently, with IndiGo on 18 Nov, takes 13 h 25 min with 1 stop, including a 11 h connection.
Which airlines have the cheapest flights from Dehradun to Kathmandu?
Between 18 Nov and 12 Dec, IndiGo has the cheapest return on 4 of the 5 departure dates we hold, and Air India on 1.
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