Which airports can I use when flying from Ontario to Kathmandu?

Flights from Ontario to Kathmandu usually depart from Ontario (ONT) and arrive at Kathmandu Tribhuvan (KTM).

What cabin classes can I book on flights from Ontario to Kathmandu?

Only Economy Class is available on flights from Ontario to Kathmandu.

What popular places can I visit in Kathmandu?

Garden of Dreams is one of the most viewed places in Kathmandu on KAYAK.

Do I need a passport to fly from Ontario to Kathmandu?

Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

How are flight prices from Ontario to Kathmandu looking right now?

One-way fares from Ontario to Kathmandu are currently lower than usual. Average one-way flight prices are about $886, which is 15% below the typical average for this route.

What is the time difference between Ontario and Kathmandu?

Kathmandu is 12 hours ahead of Ontario (Nepal Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.

How much is a round-trip flight from Ontario to Kathmandu?

Round-trip flights from Ontario to Kathmandu typically range from $1,520 to $1,520. The lowest price found in the past 5 days was $1,315, on Qatar Airways.

Which airline is the cheapest to fly from Ontario to Kathmandu?

Qatar Airways ($1,315) offered the cheapest round-trip ticket from Ontario to Kathmandu in the last 5 days.

$607 CHEAP FLIGHTS from Ontario to Kathmandu (ONT - KTM)

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Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Cheapest round-trip

$1,315

Typical prices: $1,520-$1,520

Qatar Airways

Sat 10/20Sat 10/27

ONT - KTM • 2 stops

Cheapest one-way

$607

Typical prices: $1,040-$1,040

Multiple Airlines

Fri 11/30

ONT - KTM • 2 stops

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We hope you love your trip to Kathmandu!

Flight Deals

Cheap Flights from Ontario to Kathmandu (ONT-KTM)

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Recent round-trip flight deals from Ontario to Kathmandu

Tue, Oct 20 - Tue, Oct 27

6:02 am - 2:15 pmONT Ontario-KTM Kathmandu Tribhuvan

43h 28m2 stops Seattle/Tacoma Intl Doha Hamad Intl

5:40 pm - 6:00 pmKTM Kathmandu Tribhuvan-ONT Ontario

37h 05m2 stops Doha Hamad Intl Seattle/Tacoma Intl

$1,315Qatar Airways

Sun, Apr 4 - Thu, May 6

6:00 am - 4:45 pmONT Ontario-KTM Kathmandu Tribhuvan

46h 00m2 stops Seattle/Tacoma Intl Doha Hamad Intl

10:05 am - 10:39 pmKTM Kathmandu Tribhuvan-ONT Ontario

49h 19m2 stops Doha Hamad Intl Seattle/Tacoma Intl

$1,318Qatar Airways

Sun, Apr 4 - Fri, Apr 30

6:00 am - 4:45 pmONT Ontario-KTM Kathmandu Tribhuvan

46h 00m2 stops Seattle/Tacoma Intl Doha Hamad Intl

10:05 am - 10:39 pmKTM Kathmandu Tribhuvan-ONT Ontario

49h 19m2 stops Doha Hamad Intl Seattle/Tacoma Intl

$1,359Qatar Airways

Wed, Feb 10 - Wed, Apr 7

7:00 am - 8:20 amONT Ontario-KTM Kathmandu Tribhuvan

35h 35m2 stops Seattle/Tacoma Intl Doha Hamad Intl

10:05 am - 10:39 pmKTM Kathmandu Tribhuvan-ONT Ontario

49h 19m2 stops Doha Hamad Intl Seattle/Tacoma Intl

$1,423Qatar Airways

Sat, Mar 20 - Sun, Apr 4

12:00 pm - 8:20 amONT Ontario-KTM Kathmandu Tribhuvan

31h 35m2 stops Seattle/Tacoma Intl Doha Hamad Intl

10:05 am - 11:09 amKTM Kathmandu Tribhuvan-ONT Ontario

61h 49m2 stops Doha Hamad Intl Seattle/Tacoma Intl

$1,450Qatar Airways

Tue, Mar 9 - Tue, Mar 30

4:00 pm - 8:20 amONT Ontario-KTM Kathmandu Tribhuvan

50h 35m2 stops Seattle/Tacoma Intl Doha Hamad Intl

10:05 am - 10:39 pmKTM Kathmandu Tribhuvan-ONT Ontario

49h 19m2 stops Doha Hamad Intl Seattle/Tacoma Intl

$1,504Qatar Airways

Wed, Oct 21 - Tue, Nov 3

12:10 am - 11:25 pmONT Ontario-KTM Kathmandu Tribhuvan

34h 30m2 stops Taipei City Taiwan Taoyuan Intl Bangkok Suvarnabhumi

12:25 am - 5:05 pmKTM Kathmandu Tribhuvan-ONT Ontario

30h 25m2 stops Bangkok Suvarnabhumi Taipei City Taiwan Taoyuan Intl

$1,530Multiple Airlines

Wed, Apr 7 - Wed, Apr 14

6:00 am - 8:50 amONT Ontario-KTM Kathmandu Tribhuvan

38h 05m2 stops Seattle/Tacoma Intl Doha Hamad Intl

10:05 am - 10:39 pmKTM Kathmandu Tribhuvan-ONT Ontario

49h 19m2 stops Doha Hamad Intl Seattle/Tacoma Intl

$1,599Qatar Airways

Wed, Oct 21 - Wed, Nov 4

12:10 am - 7:50 pmONT Ontario-KTM Kathmandu Tribhuvan

30h 55m3 stops Taipei City Taiwan Taoyuan Intl Bangkok Suvarnabhumi New Delhi Indira Gandhi Intl

9:40 pm - 5:05 pmKTM Kathmandu Tribhuvan-ONT Ontario

33h 10m3 stops New Delhi Indira Gandhi Intl Bangkok Suvarnabhumi Taipei City Taiwan Taoyuan Intl

$1,622Multiple Airlines

Wed, Oct 21 - Wed, Nov 4

12:10 am - 11:25 pmONT Ontario-KTM Kathmandu Tribhuvan

34h 30m2 stops Taipei City Taiwan Taoyuan Intl Bangkok Suvarnabhumi

9:40 pm - 5:05 pmKTM Kathmandu Tribhuvan-ONT Ontario

33h 10m3 stops New Delhi Indira Gandhi Intl Bangkok Suvarnabhumi Taipei City Taiwan Taoyuan Intl

$1,628Multiple Airlines

Recent last minute flight deals from Ontario to Kathmandu

Wed, Oct 14 - Thu, Oct 22

11:13 am - 5:45 pmONT Ontario-KTM Kathmandu Tribhuvan

41h 47m2 stops Seattle/Tacoma Intl Doha Hamad Intl

5:30 pm - 11:42 pmKTM Kathmandu Tribhuvan-ONT Ontario

42h 57m2 stops Doha Hamad Intl Seattle/Tacoma Intl

$1,637Multiple Airlines

Thu, Oct 15 - Thu, Oct 22

11:13 am - 4:15 pmONT Ontario-KTM Kathmandu Tribhuvan

40h 17m2 stops Seattle/Tacoma Intl Doha Hamad Intl

7:00 pm - 11:42 pmKTM Kathmandu Tribhuvan-ONT Ontario

41h 27m2 stops Doha Hamad Intl Seattle/Tacoma Intl

$1,672Qatar Airways

Tue, Oct 13 - Wed, Oct 21

6:02 am - 4:15 pmONT Ontario-KTM Kathmandu Tribhuvan

45h 28m2 stops Seattle/Tacoma Intl Doha Hamad Intl

5:30 pm - 11:42 pmKTM Kathmandu Tribhuvan-ONT Ontario

42h 57m2 stops Doha Hamad Intl Seattle/Tacoma Intl

$1,839Multiple Airlines

Sun, Oct 11 - Tue, Oct 20

12:10 am - 7:50 pmONT Ontario-KTM Kathmandu Tribhuvan

30h 55m3 stops Taipei City Taiwan Taoyuan Intl Bangkok Suvarnabhumi New Delhi Indira Gandhi Intl

9:10 pm - 6:00 pmKTM Kathmandu Tribhuvan-ONT Ontario

33h 35m3 stops New Delhi Indira Gandhi Intl Bangkok Suvarnabhumi Taipei City Taiwan Taoyuan Intl

$1,843Multiple Airlines

Sun, Oct 11 - Mon, Oct 19

12:10 am - 9:00 pmONT Ontario-KTM Kathmandu Tribhuvan

32h 05m2 stops Taipei City Taiwan Taoyuan Intl Kuala Lumpur Intl

12:25 am - 6:00 pmKTM Kathmandu Tribhuvan-ONT Ontario

30h 20m3 stops Bangkok Suvarnabhumi Kuala Lumpur Intl Taipei City Taiwan Taoyuan Intl

$1,864Multiple Airlines

Wed, Oct 14 - Mon, Nov 9

12:10 am - 9:45 pmONT Ontario-KTM Kathmandu Tribhuvan

32h 50m2 stops Taipei City Taiwan Taoyuan Intl Hong Kong Intl

7:35 am - 7:30 pmKTM Kathmandu Tribhuvan-ONT Ontario

25h 40m2 stops New Delhi Indira Gandhi Intl San Francisco

$1,868Multiple Airlines

Tue, Oct 13 - Thu, Oct 22

12:10 am - 7:50 pmONT Ontario-KTM Kathmandu Tribhuvan

30h 55m3 stops Taipei City Taiwan Taoyuan Intl Bangkok Suvarnabhumi New Delhi Indira Gandhi Intl

6:30 am - 7:40 pmKTM Kathmandu Tribhuvan-ONT Ontario

25h 55m2 stops New Delhi Indira Gandhi Intl San Francisco

$1,892Multiple Airlines

Sun, Oct 11 - Sun, Nov 1

12:10 am - 7:50 pmONT Ontario-KTM Kathmandu Tribhuvan

30h 55m3 stops Taipei City Taiwan Taoyuan Intl Bangkok Suvarnabhumi New Delhi Indira Gandhi Intl

9:40 pm - 7:30 pmKTM Kathmandu Tribhuvan-ONT Ontario

35h 35m2 stops New Delhi Indira Gandhi Intl San Francisco

$1,920Multiple Airlines

Mon, Oct 12 - Tue, Oct 20

12:10 am - 7:50 pmONT Ontario-KTM Kathmandu Tribhuvan

30h 55m3 stops Taipei City Taiwan Taoyuan Intl Bangkok Suvarnabhumi New Delhi Indira Gandhi Intl

12:25 am - 6:00 pmKTM Kathmandu Tribhuvan-ONT Ontario

30h 20m2 stops Bangkok Suvarnabhumi Taipei City Taiwan Taoyuan Intl

$1,964Multiple Airlines

Sun, Oct 11 - Sun, Nov 1

12:10 am - 9:00 pmONT Ontario-KTM Kathmandu Tribhuvan

32h 05m2 stops Taipei City Taiwan Taoyuan Intl Kuala Lumpur Intl

9:40 pm - 7:30 pmKTM Kathmandu Tribhuvan-ONT Ontario

35h 35m2 stops New Delhi Indira Gandhi Intl San Francisco

$1,976Multiple Airlines

Booking Insights

Price, demand and travel trends for Ontario to Kathmandu flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

Prices

Airlines

How much is a round-trip flight from Ontario to Kathmandu? This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Ontario to Kathmandu departing in october.

Find deals

Cheapest flight	$607

One-way flight from Ontario to Kathmandu

When to book flights from Ontario to Kathmandu

Are your dates flexible? Find out the best times to travel from Ontario to Kathmandu based on our flight data from the last year. Discover the cheapest month and even day to fly.

Estimated round-trip price

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

What cabin classes can I book on flights from Ontario to Kathmandu?
Only Economy Class is available on flights from Ontario to Kathmandu.
Do I need a passport to fly from Ontario to Kathmandu?
Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.
How are flight prices from Ontario to Kathmandu looking right now?
One-way fares from Ontario to Kathmandu are currently lower than usual. Average one-way flight prices are about $886, which is 15% below the typical average for this route.
Which airports can I use when flying from Ontario to Kathmandu?
Flights from Ontario to Kathmandu usually depart from Ontario (ONT) and arrive at Kathmandu Tribhuvan (KTM).
What is the time difference between Ontario and Kathmandu?
Kathmandu is 12 hours ahead of Ontario (Nepal Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.
What popular places can I visit in Kathmandu?
Garden of Dreams is one of the most viewed places in Kathmandu on KAYAK.

If you're arriving late at night and need somewhere to stay, check out these hotels close to Kathmandu Tribhuvan Airport.

• Vannasut Hotel and Spa
• The Everest Hotel Kathmandu

More options for your flight from Ontario to Kathmandu

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Complete your trip to Kathmandu with a hotel stay or car rental

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ONT - KTM

$607 Find Cheap Flights from Ontario to Kathmandu - Compare and Save

Everything you should know

Cheap Flights from Ontario to Kathmandu (ONT-KTM)

Recent round-trip flight deals from Ontario to Kathmandu

Recent one-way flight deals from Ontario to Kathmandu

Recent last minute flight deals from Ontario to Kathmandu

Price, demand and travel trends for Ontario to Kathmandu flights

How much is a round-trip flight from Ontario to Kathmandu?

Which airline is the cheapest to fly from Ontario to Kathmandu?

Key details for Ontario to Kathmandu flights

Cheapest flight

When to book flights from Ontario to Kathmandu

Your Ontario to Kathmandu flight questions, answered

Your guide to booking Ontario to Kathmandu flights

More options for your flight from Ontario to Kathmandu

Complete your trip to Kathmandu with a hotel stay or car rental

Information on your arrival and departure airports

Cabin class types available on flights from Ontario to Kathmandu

Find direct flights to and from Ontario and Kathmandu

Flights from domestic origins to Kathmandu

Flights to other popular destinations

Find deals for your return flight