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$723+ 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 8/22. Fares are subject to change and may not be available on all flights or dates of travel.
KTM — ONT
Aug 19 — Aug 261
Tue 8/19
Tue 8/26
1 adult, Economy
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Cheap 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 August 14, 2025.

Round-trip from

$1,632
(oojo)

One-way from

$723
(CheapTickets)

Popular in

November

Cheapest in

June

Average price

$1,546
From Kathmandu Tribhuvan to Ontario
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One-way flight from Kathmandu Tribhuvan to Ontario
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Highest demand for flights based on searches. 9% potential increase in price ($142 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($36 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find 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 August 14, 2025.

This oojo deal was found by Cheapflights users on 8/12. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/210:05 amKTM - ONT
2 stops50h 43mQatar Airways
Mon 3/93:09 pmONT - KTM
2 stops36h 31mQatar Airways
Deal found 8/12$1,632
This Qatar Airways deal was found by Cheapflights users on 8/13. 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.
Mon 9/156:00 pmKTM - ONT
2 stops32h 39mQatar Airways
Sun 10/52:30 pmONT - KTM
2 stops29h 35mQatar Airways
Deal found 8/13$2,147
This Qatar Airways deal was found by Cheapflights users on 8/12. 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.
Tue 9/96:00 pmKTM - ONT
2 stops32h 39mQatar Airways
Mon 12/12:59 pmONT - KTM
2 stops27h 36mQatar Airways
Deal found 8/12$2,279
This Qatar Airways deal was found by Cheapflights users on 8/13. 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.
Mon 11/36:45 pmKTM - ONT
2 stops33h 02mQatar Airways
Wed 11/53:08 pmONT - KTM
2 stops27h 27mQatar Airways
Deal found 8/13$2,993
This Aunt Betty deal was found by Cheapflights users on 8/11. 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 Aunt Betty is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/36:45 pmKTM - ONT
2 stops33h 02mQatar Airways
Sun 11/302:59 pmONT - KTM
2 stops27h 36mQatar Airways
Deal found 8/11$3,105
This Qatar Airways deal was found by Cheapflights users on 8/12. 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.
Tue 8/196:00 pmKTM - ONT
2 stops32h 24mQatar Airways
Tue 9/162:54 pmONT - KTM
2 stops30h 36mQatar Airways
Deal found 8/12$5,062
This Qatar Airways deal was found by Cheapflights users on 8/14. 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 10/56:00 pmKTM - ONT
2 stops37h 47mQatar Airways
Thu 11/66:00 amONT - KTM
2 stops36h 35mQatar Airways
Deal found 8/14$5,182
This Korean Air deal was found by Cheapflights users on 8/14. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/67:20 pmKTM - ONT
2 stops41h 04mKorean Air
Thu 6/117:00 amONT - KTM
2 stops45h 05mKorean Air
Deal found 8/14$5,937
This Korean Air deal was found by Cheapflights users on 8/14. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/37:20 pmKTM - ONT
2 stops40h 05mKorean Air
Thu 6/116:00 amONT - KTM
2 stops46h 05mKorean Air
Deal found 8/14$6,368
This Travelocity deal was found by Cheapflights users on 8/14. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/210:50 pmKTM - ONT
2 stops28h 07mMultiple Airlines
Wed 6/106:58 pmONT - KTM
2 stops38h 02mMultiple Airlines
Deal found 8/14$6,466
This Korean Air deal was found by Cheapflights users on 8/14. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/107:20 pmKTM - ONT
2 stops38h 45mKorean Air
Thu 6/117:00 amONT - KTM
2 stops45h 05mKorean Air
Deal found 8/14$6,912
This Qatar Airways deal was found by Cheapflights users on 8/14. 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.
Tue 10/77:05 pmKTM - ONT
2 stops31h 23mQatar Airways
Wed 6/102:57 pmONT - KTM
2 stops29h 08mQatar Airways
Deal found 8/14$6,998

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 August 14, 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

Thu 10/2

10:05 am-12:03 am

2 stops50h 43m

Ontario

Mon 3/9

3:09 pm-4:25 pm

2 stops36h 31m

$1,632

KathmanduOntario

KTM - ONT

KTMONT

Kathmandu Tribhuvan

Mon 9/15

6:00 pm-1:54 pm

2 stops32h 39m

Ontario

Sun 10/5

2:30 pm-8:50 am

2 stops29h 35m

$2,147

KathmanduOntario

KTM - ONT

KTMONT

Kathmandu Tribhuvan

Tue 9/9

6:00 pm-1:54 pm

2 stops32h 39m

Ontario

Mon 12/1

2:59 pm-8:20 am

2 stops27h 36m

$2,279

KathmanduOntario

KTM - ONT

KTMONT

Kathmandu Tribhuvan

Mon 11/3

6:45 pm-2:02 pm

2 stops33h 02m

Ontario

Wed 11/5

3:08 pm-8:20 am

2 stops27h 27m

$2,993

KathmanduOntario

KTM - ONT

KTMONT

Kathmandu Tribhuvan

Mon 11/3

6:45 pm-2:02 pm

2 stops33h 02m

Ontario

Sun 11/30

2:59 pm-8:20 am

2 stops27h 36m

$3,105

KathmanduOntario

KTM - ONT

KTMONT

Kathmandu Tribhuvan

Tue 10/7

6:00 pm-1:43 pm

2 stops32h 28m

Ontario

Thu 11/6

6:00 am-8:20 am

2 stops36h 35m

$5,182

KathmanduOntario

KTM - ONT

KTMONT

Kathmandu Tribhuvan

Sun 10/5

6:00 pm-7:02 pm

2 stops37h 47m

Ontario

Thu 11/6

6:00 am-8:20 am

2 stops36h 35m

$5,182

KathmanduOntario

KTM - ONT

KTMONT

Kathmandu Tribhuvan

Wed 10/8

11:30 am-7:02 pm

2 stops44h 17m

Ontario

Thu 11/6

6:00 am-8:20 am

2 stops36h 35m

$5,182

KathmanduOntario

KTM - ONT

KTMONT

Kathmandu Tribhuvan

Fri 10/3

7:20 pm-10:40 pm

2 stops40h 05m

Ontario

Sun 6/7

7:00 am-4:50 pm

2 stops45h 05m

$5,937

KathmanduOntario

KTM - ONT

KTMONT

Kathmandu Tribhuvan

Mon 10/6

7:20 pm-11:39 pm

2 stops41h 04m

Ontario

Sun 6/7

7:00 am-4:50 pm

2 stops45h 05m

$5,937

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/14

Showing 1-10 of 23 results
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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, August is the cheapest month in which you can book a flight from Kathmandu to Ontario (average of $246). Flying from Kathmandu to Ontario in March is currently the most expensive (average of $328). 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.

  • 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, August is the cheapest month in which you can book a flight from Kathmandu to Ontario (average of $246). Flying from Kathmandu to Ontario in March is currently the most expensive (average of $328). 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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