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$1,084+ Cheap flights from Kathmandu (KTM) to Ontario (ONT)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/18. Fares are subject to change and may not be available on all flights or dates of travel.
KTM — ONT
Jan 25 — Feb 11
Sun 1/25
Sun 2/1
1 adult, Economy
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Cheap flight deals from Kathmandu to Ontario

Cheapest flights from Kathmandu to Ontario
Explore the most affordable flight options available from Kathmandu to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 26, 2025.

This Qatar Airways deal was found by Cheapflights users on 12/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/287:05 pmKTM - ONT
2 stops32h 32mQatar Airways
Sat 1/32:49 pmONT - KTM
2 stops27h 21mQatar Airways
Deal found 12/25$2,813

Find flight deals from Kathmandu to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Kathmandu (KTM) to Ontario (ONT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 26, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
1 star

Round-trip from

$1,550
(oojo)

One-way from

$1,084
(oojo)

Popular in

December

Cheapest in

September

Average price

$1,605
Provider with most accurate pricing for Kathmandu Tribhuvan-Ontario flight deals.
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Provider most trusted by Cheapflights users for Kathmandu Tribhuvan-Ontario flights.
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From Kathmandu Tribhuvan to Ontario
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One-way flight from Kathmandu Tribhuvan to Ontario
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($97 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($27 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Kathmandu to Ontario that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 26, 2025.
Use the filters below to find and compare flights from Kathmandu to Ontario that are best for you.

Fly from

Kathmandu

Fly to

Ontario

Route

Depart

Return

Price

KathmanduOntario

KTM - ONT

KTMONT

Kathmandu Tribhuvan

Fri 1/23

9:10 am-8:36 pm

2 stops49h 11m

Ontario

Fri 1/30

10:58 am-4:25 pm

2 stops39h 42m

$1,550

KathmanduOntario

KTM - ONT

KTMONT

Kathmandu Tribhuvan

Wed 3/18

5:40 pm-1:57 pm

2 stops33h 02m

Ontario

Thu 9/17

12:00 pm-4:45 pm

2 stops40h 00m

$1,740

KathmanduOntario

KTM - ONT

KTMONT

Kathmandu Tribhuvan

Fri 3/13

7:05 pm-11:32 pm

2 stops41h 12m

Ontario

Wed 9/9

12:47 pm-8:50 am

2 stops31h 18m

$1,799

KathmanduOntario

KTM - ONT

KTMONT

Kathmandu Tribhuvan

Wed 3/18

5:40 pm-6:13 pm

2 stops37h 18m

Ontario

Fri 9/18

8:45 am-9:50 am

2 stops36h 20m

$1,799

KathmanduOntario

KTM - ONT

KTMONT

Kathmandu Tribhuvan

Tue 3/17

7:20 pm-10:34 pm

2 stops39h 59m

Ontario

Thu 9/17

7:00 am-4:50 pm

2 stops45h 05m

$2,080

KathmanduOntario

KTM - ONT

KTMONT

Kathmandu Tribhuvan

Sat 3/21

7:20 pm-5:13 pm

2 stops34h 38m

Ontario

Thu 9/17

7:00 am-4:50 pm

2 stops45h 05m

$2,080

KathmanduOntario

KTM - ONT

KTMONT

Kathmandu Tribhuvan

Fri 1/16

9:10 am-8:36 pm

2 stops49h 11m

Ontario

Thu 1/22

10:58 am-4:25 pm

2 stops39h 42m

$2,330

KathmanduOntario

KTM - ONT

KTMONT

Kathmandu Tribhuvan

Tue 4/28

10:55 am-5:45 pm

2 stops43h 35m

Ontario

Thu 5/28

10:54 am-7:55 am

2 stops32h 16m

$4,921

KathmanduOntario

KTM - ONT

KTMONT

Kathmandu Tribhuvan

Wed 3/18

11:05 pm-11:59 pm

2 stops37h 39m

$1,084

KathmanduOntario

KTM - ONT

KTMONT

Kathmandu Tribhuvan

Tue 3/17

7:20 pm-5:13 pm

2 stops34h 38m

$1,089

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/25

Showing 1-10 of 20 results
1
2
  • Most accurate provider: When it comes to deals on Kathmandu-Ontario flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Kathmandu-Ontario flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Kathmandu-Ontario flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Kathmandu-Ontario flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Kathmandu-Ontario flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Kathmandu to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Kathmandu with our price prediction graph.
Estimated round-trip 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.

Cheapflights Insights

Everything you need to know about your flight from Kathmandu to Ontario

What is the cheapest month to book a flight from Kathmandu to Ontario?

Currently, May is the cheapest month in which you can book a flight from Kathmandu to Ontario (average of $763). Flying from Kathmandu to Ontario in December is currently the most expensive (average of $1,594). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Kathmandu to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Kathmandu to Ontario?

    Airlines like Qatar Airways fly from Kathmandu to Ontario in about 49h 11m. The time it takes to get you to your destination can typically vary by up to . Airlines will cover a distance of 7908 mi.

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

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

  • How can I find direct flights from Kathmandu to Ontario?

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

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

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

  • What is the cheapest month to book a flight from Kathmandu to Ontario?

    Currently, May is the cheapest month in which you can book a flight from Kathmandu to Ontario (average of $763). Flying from Kathmandu to Ontario in December is currently the most expensive (average of $1,594). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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