In terms of precipitation, rainfall in Kathmandu ranges from 0.0 - 370.0 inches per month. July is typically the wettest month, when rainfall can reach 370.0 mm. November is typically the driest time to visit Kathmandu when rainfall is around 0.0 mm.

If weather is an important factor for your trip to Kathmandu, use this chart to help with planning. For those seeking warmer temperatures, June is the ideal time of year to visit, when temperatures reach an average of 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 10.0 C).

What is the cheapest time of day to fly from SUB to KTM?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Surabaya to Kathmandu as you normally would.

Can I find deals for flights from Surabaya to Kathmandu that include hotel bookings?

Yes. In addition to deals on Surabaya to Kathmandu flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Surabaya to Kathmandu?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Surabaya to Kathmandu.

Can I find deals for business class flights from Surabaya to Kathmandu?

Yes. Cheapflights offers flight deals from Surabaya to Kathmandu by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Rp 4,776,172+ Cheap Flights from Surabaya to Kathmandu

Cheap flight deals from Surabaya to Kathmandu

Enter your travel dates to find the best prices.

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Cheapest flights from Surabaya to Kathmandu
Explore the most affordable flight options available from Surabaya to Kathmandu. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 6 September 2026.

Fri 9/1005.05 -

1 stop12h 15m

Fri 9/1023.10 -

1 stop18h 35m

Deal found 4/9Rp 15,720,832

Find flight deals from Surabaya to Kathmandu

Round-trip from	Rp 15,720,832
One-way from	Rp 4,776,172

9/10-9/10
2 total stops
30h 50m total
Surabaya to Kathmandu

Search Deals

23/10-31/12
2 total stops
31h 35m total
Surabaya to Kathmandu

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SurabayaKathmandu

SUB Surabaya Juanda - KTM Kathmandu Tribhuvan

SUBKTM

Surabaya Juanda

Sun 20/9

05.05-16.30

2 stops36h 40m

Kathmandu Tribhuvan

Wed 31/12

00.00-01.30

Nonstop0h 00m

Rp 5,269,651

SurabayaKathmandu

SUB Surabaya Juanda - KTM Kathmandu Tribhuvan

SUBKTM

Surabaya Juanda

Fri 11/9

19.00-12.15

2 stops42h 30m

Kathmandu Tribhuvan

Wed 31/12

00.00-01.30

Nonstop0h 00m

Rp 6,045,118

Fastest return journey

SurabayaKathmandu

SUB Surabaya Juanda - KTM Kathmandu Tribhuvan

SUBKTM

Surabaya Juanda

Wed 28/10

13.25-06.35

2 stops18h 25m

Kathmandu Tribhuvan

Wed 31/12

00.00-01.30

Nonstop0h 00m

Rp 6,150,864

SurabayaKathmandu

SUB Surabaya Juanda - KTM Kathmandu Tribhuvan

SUBKTM

Surabaya Juanda

Sun 1/11

18.05-12.00

1 stop19h 10m

Kathmandu Tribhuvan

Wed 31/12

00.00-01.30

Nonstop0h 00m

Rp 6,327,106

SurabayaKathmandu

SUB Surabaya Juanda - KTM Kathmandu Tribhuvan

SUBKTM

Surabaya Juanda

Fri 11/9

10.00-12.00

1 stop27h 15m

Kathmandu Tribhuvan

Wed 31/12

00.00-01.30

Nonstop0h 00m

Rp 7,208,318

SurabayaKathmandu

SUB Surabaya Juanda - KTM Kathmandu Tribhuvan

SUBKTM

Surabaya Juanda

Sun 1/11

12.00-14.05

3 stops27h 20m

Kathmandu Tribhuvan

Wed 31/12

00.00-01.30

Nonstop0h 00m

Rp 7,490,306

SurabayaKathmandu

SUB Surabaya Juanda - KTM Kathmandu Tribhuvan

SUBKTM

Surabaya Juanda

Fri 9/10

19.50-09.50

2 stops39h 15m

Kathmandu Tribhuvan

Wed 31/12

00.00-01.30

Nonstop0h 00m

Rp 8,371,519

SurabayaKathmandu

SUB Surabaya Juanda - KTM Kathmandu Tribhuvan

SUBKTM

Surabaya Juanda

Fri 9/10

05.05-16.05

1 stop12h 15m

Kathmandu Tribhuvan

Fri 9/10

23.10-19.00

1 stop18h 35m

Rp 15,720,832

Flights are sorted by cheapest return flights first.

Deals found on 6/9

Sorted by cheapest first

Best time to book a flight from Surabaya to Kathmandu

Have a flexible travel schedule? Discover the best time to fly to Kathmandu from Surabaya with our price prediction graph.

SUB-KTM

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

Can I find deals for flights from Surabaya to Kathmandu that include hotel bookings?
Yes. In addition to deals on Surabaya to Kathmandu flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Surabaya to Kathmandu?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Surabaya to Kathmandu.
Can I find deals for business class flights from Surabaya to Kathmandu?
Yes. Cheapflights offers flight deals from Surabaya to Kathmandu by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Browse thousands of different options on Cheapflights for your next trip

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Deals for Surabaya to Kathmandu flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Surabaya to Kathmandu?

Cheapflights simply makes it quick and affordable to book flights from Surabaya to Kathmandu by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Surabaya to Kathmandu with no change fees?

Need flexible booking options for your flight to Kathmandu from Surabaya? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Surabaya to Kathmandu become cheaper?

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This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 23/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Surabaya to Kathmandu

Cheapest flights from Surabaya to Kathmandu
Explore the most affordable flight options available from Surabaya to Kathmandu. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 6 September 2026.

Explore the most affordable flight options available from Surabaya to Kathmandu. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 6 September 2026.

Best flights from Surabaya to Kathmandu
Discover carefully curated flight deals from Surabaya to Kathmandu that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 6 September 2026.

Discover carefully curated flight deals from Surabaya to Kathmandu that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 6 September 2026.

Last-minute flights from Surabaya to Kathmandu
Discover last-minute flight deals from Surabaya to Kathmandu. Data last updated 6 September 2026 and is based on user searches.

Discover last-minute flight deals from Surabaya to Kathmandu. Data last updated 6 September 2026 and is based on user searches.

One-way flights from Surabaya to Kathmandu
Search for one-way flight options from Surabaya to Kathmandu. Find affordable one-way fares based on user searches. Data last updated 6 September 2026.

Search for one-way flight options from Surabaya to Kathmandu. Find affordable one-way fares based on user searches. Data last updated 6 September 2026.

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Best time to book a flight from Surabaya to Kathmandu

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Related info for your journey

Can I find deals for flights from Surabaya to Kathmandu that include hotel bookings?

How can I find direct flights from Surabaya to Kathmandu?

Can I find deals for business class flights from Surabaya to Kathmandu?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Complete your trip

Complete your trip to Kathmandu by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from Surabaya to Kathmandu by cabin class

Find flights from Surabaya to Kathmandu, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Surabaya and Kathmandu flights

Browse other Surabaya and Kathmandu flight options. Last updated on 6 September 2026.

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How does Cheapflights help users find flights from Surabaya to Kathmandu?

Why should you use Cheapflights to find cheap flight tickets from Surabaya to Kathmandu?

Can Cheapflights find flights from Surabaya to Kathmandu with no change fees?

Can Cheapflights notify me if prices for flights from Surabaya to Kathmandu become cheaper?

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Cheap flights from Surabaya to Kathmandu from Rp 4,776,172

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 23/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Surabaya to Kathmandu

Cheapest flights from Surabaya to KathmanduExplore the most affordable flight options available from Surabaya to Kathmandu. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 6 September 2026.

Explore the most affordable flight options available from Surabaya to Kathmandu. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 6 September 2026.

Best flights from Surabaya to KathmanduDiscover carefully curated flight deals from Surabaya to Kathmandu that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 6 September 2026.

Discover carefully curated flight deals from Surabaya to Kathmandu that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 6 September 2026.

Last-minute flights from Surabaya to KathmanduDiscover last-minute flight deals from Surabaya to Kathmandu. Data last updated 6 September 2026 and is based on user searches.

Discover last-minute flight deals from Surabaya to Kathmandu. Data last updated 6 September 2026 and is based on user searches.

One-way flights from Surabaya to KathmanduSearch for one-way flight options from Surabaya to Kathmandu. Find affordable one-way fares based on user searches. Data last updated 6 September 2026.

Search for one-way flight options from Surabaya to Kathmandu. Find affordable one-way fares based on user searches. Data last updated 6 September 2026.

Find flight deals from Surabaya to Kathmandu

Round-trip from

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Use the filters below to find and compare flights from Surabaya to Kathmandu that are best for you.

Best time to book a flight from Surabaya to Kathmandu

Have a flexible travel schedule? Discover the best time to fly to Kathmandu from Surabaya with our price prediction graph.

Related info for your journey

Can I find deals for flights from Surabaya to Kathmandu that include hotel bookings?

How can I find direct flights from Surabaya to Kathmandu?

Can I find deals for business class flights from Surabaya to Kathmandu?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Complete your trip

Complete your trip to Kathmandu by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from Surabaya to Kathmandu by cabin class

Find flights from Surabaya to Kathmandu, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Surabaya and Kathmandu flights

Browse other Surabaya and Kathmandu flight options. Last updated on 6 September 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Fly with Cheapflights

How does Cheapflights help users find flights from Surabaya to Kathmandu?

Why should you use Cheapflights to find cheap flight tickets from Surabaya to Kathmandu?

Can Cheapflights find flights from Surabaya to Kathmandu with no change fees?

Can Cheapflights notify me if prices for flights from Surabaya to Kathmandu become cheaper?

100% Free

Book With Flexibility

Travel Smart

Cheapest flights from Surabaya to Kathmandu
Explore the most affordable flight options available from Surabaya to Kathmandu. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 6 September 2026.

Best flights from Surabaya to Kathmandu
Discover carefully curated flight deals from Surabaya to Kathmandu that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 6 September 2026.

Last-minute flights from Surabaya to Kathmandu
Discover last-minute flight deals from Surabaya to Kathmandu. Data last updated 6 September 2026 and is based on user searches.

One-way flights from Surabaya to Kathmandu
Search for one-way flight options from Surabaya to Kathmandu. Find affordable one-way fares based on user searches. Data last updated 6 September 2026.