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$627+ 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 11/21. Fares are subject to change and may not be available on all flights or dates of travel.
KTM — ONT
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
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 September 16, 2025.

Round-trip from

$1,533
(Mytrip)

One-way from

$627
(Kiwi.com)

Popular in

November

Cheapest in

September

Average price

$1,171
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 ($153 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($38 potential savings vs. average RT price).
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Average for round-trip flights in September 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 September 16, 2025.

This Mytrip deal was found by Cheapflights users on 9/14. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/69:00 pmKTM - ONT
3 stops33h 45mMultiple Airlines
Tue 10/2112:10 amONT - KTM
3 stops33h 35mMultiple Airlines
Deal found 9/14$1,533
This lol.travel deal was found by Cheapflights users on 9/14. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/66:00 pmKTM - ONT
2 stops37h 37mQatar Airways
Wed 10/222:51 pmONT - KTM
2 stops29h 14mQatar Airways
Deal found 9/14$1,541
This Expedia deal was found by Cheapflights users on 9/15. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/136:00 pmKTM - ONT
2 stops42h 48mQatar Airways
Mon 4/66:00 amONT - KTM
2 stops46h 00mQatar Airways
Deal found 9/15$1,565
This SmartFares deal was found by Cheapflights users on 9/15. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/126:45 pmKTM - ONT
2 stops33h 04mQatar Airways
Mon 5/43:05 pmONT - KTM
2 stops36h 55mQatar Airways
Deal found 9/15$1,676
This oojo deal was found by Cheapflights users on 9/16. 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 10/1611:30 amKTM - ONT
2 stops39h 16mQatar Airways
Thu 10/2310:57 amONT - KTM
2 stops33h 08mQatar Airways
Deal found 9/16$1,721
This Qatar Airways deal was found by Cheapflights users on 9/14. 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 10/126:00 pmKTM - ONT
2 stops37h 18mQatar Airways
Sun 10/196:00 amONT - KTM
2 stops39h 30mQatar Airways
Deal found 9/14$1,849
This oojo deal was found by Cheapflights users on 9/14. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/411:30 amKTM - ONT
2 stops44h 09mQatar Airways
Sat 2/1411:05 amONT - KTM
2 stops39h 35mQatar Airways
Deal found 9/14$1,916
This Priceline deal was found by Cheapflights users on 9/13. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/275:40 pmKTM - ONT
2 stops39h 58mQatar Airways
Tue 1/66:00 amONT - KTM
2 stops44h 40mQatar Airways
Deal found 9/13$2,001
This EaseMyTrip deal was found by Cheapflights users on 9/14. 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 EaseMyTrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/124:40 pmKTM - ONT
3 stops35h 58mKLM
Sun 10/1911:36 amONT - KTM
3 stops33h 29mKLM
Deal found 9/14$2,407
This Korean Air deal was found by Cheapflights users on 9/15. 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.
Tue 11/117:20 pmKTM - ONT
2 stops35h 34mKorean Air
Thu 5/77:00 amONT - KTM
2 stops45h 05mKorean Air
Deal found 9/15$2,408
This Korean Air deal was found by Cheapflights users on 9/15. 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.
Sat 11/157:20 pmKTM - ONT
2 stops35h 34mKorean Air
Thu 5/77:00 amONT - KTM
2 stops45h 05mKorean Air
Deal found 9/15$2,570

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 September 16, 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

Mon 10/6

9:00 pm-6:00 pm

3 stops33h 45m

Ontario

Tue 10/21

12:10 am-10:30 pm

3 stops33h 35m

$1,533

KathmanduOntario

KTM - ONT

KTMONT

Kathmandu Tribhuvan

Mon 10/6

6:00 pm-6:52 pm

2 stops37h 37m

Ontario

Wed 10/22

2:51 pm-8:50 am

2 stops29h 14m

$1,541

KathmanduOntario

KTM - ONT

KTMONT

Kathmandu Tribhuvan

Mon 10/13

6:00 pm-12:03 am

2 stops42h 48m

Ontario

Mon 4/6

6:00 am-4:45 pm

2 stops46h 00m

$1,565

KathmanduOntario

KTM - ONT

KTMONT

Kathmandu Tribhuvan

Wed 3/4

6:45 pm-10:37 pm

2 stops41h 37m

Ontario

Sun 3/8

6:00 am-5:30 pm

2 stops46h 45m

$1,610

KathmanduOntario

KTM - ONT

KTMONT

Kathmandu Tribhuvan

Wed 11/12

6:45 pm-2:04 pm

2 stops33h 04m

Ontario

Mon 5/4

3:05 pm-4:45 pm

2 stops36h 55m

$1,676

KathmanduOntario

KTM - ONT

KTMONT

Kathmandu Tribhuvan

Thu 10/16

11:30 am-2:01 pm

2 stops39h 16m

Ontario

Thu 10/23

10:57 am-8:50 am

2 stops33h 08m

$1,721

KathmanduOntario

KTM - ONT

KTMONT

Kathmandu Tribhuvan

Sun 10/12

6:00 pm-6:33 pm

2 stops37h 18m

Ontario

Sun 10/19

6:00 am-10:15 am

2 stops39h 30m

$1,849

KathmanduOntario

KTM - ONT

KTMONT

Kathmandu Tribhuvan

Sat 10/4

11:30 am-6:54 pm

2 stops44h 09m

Ontario

Sat 2/14

11:05 am-4:25 pm

2 stops39h 35m

$1,916

KathmanduOntario

KTM - ONT

KTMONT

Kathmandu Tribhuvan

Mon 10/27

5:40 pm-8:53 pm

2 stops39h 58m

Ontario

Tue 1/6

6:00 am-4:25 pm

2 stops44h 40m

$2,001

KathmanduOntario

KTM - ONT

KTMONT

Kathmandu Tribhuvan

Fri 11/21

2:15 pm-11:59 pm

3 stops47h 29m

$627

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 15 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 $327). 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 37h 37m. 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, 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 $327). 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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