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Kathmandu

$609+ Cheap flights from Ontario (ONT) to Kathmandu (KTM)

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 8/26. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — KTM
Jun 15 — Jun 221
Mon 6/15
Mon 6/22
1 adult, Economy
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Cheap flight deals from Ontario to Kathmandu

Cheapest flights from Ontario to Kathmandu
Explore the most affordable flight options available from Ontario to Kathmandu. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 16, 2026.

This FlightHub deal was found by Cheapflights users on 5/13. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1712:10 pm
ONT
-
KTM
2 stops32h 55m
Multiple Airlines
Sat 10/36:00 pm
KTM
-
ONT
2 stops36h 45m
Multiple Airlines
Deal found 5/13$1,266
This KAYAK deal was found by Cheapflights users on 5/12. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1112:04 pm
ONT
-
KTM
2 stops32h 01m
Qatar Airways
Tue 9/86:00 pm
KTM
-
ONT
2 stops37h 48m
Qatar Airways
Deal found 5/12$1,284
This BusinessClass deal was found by Cheapflights users on 5/12. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1412:10 pm
ONT
-
KTM
2 stops32h 55m
Qatar Airways
Mon 9/286:45 pm
KTM
-
ONT
2 stops37h 03m
Qatar Airways
Deal found 5/12$1,287
This Justfly.com deal was found by Cheapflights users on 5/13. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/166:02 am
ONT
-
KTM
2 stops38h 03m
Multiple Airlines
Wed 7/1510:05 am
KTM
-
ONT
2 stops47h 16m
Multiple Airlines
Deal found 5/13$1,318
This oojo deal was found by Cheapflights users on 5/14. 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.
Sun 6/146:02 am
ONT
-
KTM
2 stops38h 03m
Qatar Airways
Mon 6/2910:05 am
KTM
-
ONT
2 stops49h 51m
Qatar Airways
Deal found 5/14$1,328
This FlightHub deal was found by Cheapflights users on 5/13. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/16:02 am
ONT
-
KTM
2 stops38h 03m
Multiple Airlines
Wed 7/2210:05 am
KTM
-
ONT
2 stops49h 51m
Multiple Airlines
Deal found 5/13$1,335
This SmartFares deal was found by Cheapflights users on 5/15. 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.
Fri 9/257:57 pm
ONT
-
KTM
2 stops49h 08m
Qatar Airways
Mon 11/95:40 pm
KTM
-
ONT
2 stops42h 59m
Qatar Airways
Deal found 5/15$1,338
This FlightHub deal was found by Cheapflights users on 5/11. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/209:20 pm
ONT
-
KTM
2 stops46h 45m
Multiple Airlines
Sat 6/276:00 pm
KTM
-
ONT
2 stops53h 59m
Multiple Airlines
Deal found 5/11$1,346
This oojo deal was found by Cheapflights users on 5/15. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1012:10 pm
ONT
-
KTM
2 stops31h 55m
Qatar Airways
Sat 10/246:00 pm
KTM
-
ONT
2 stops36h 45m
Qatar Airways
Deal found 5/15$1,361
This FlightHub deal was found by Cheapflights users on 5/13. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/226:00 am
ONT
-
KTM
2 stops46h 00m
Qatar Airways
Sun 11/159:35 am
KTM
-
ONT
2 stops51h 04m
Qatar Airways
Deal found 5/13$1,378
This FlightHub deal was found by Cheapflights users on 5/14. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/612:04 pm
ONT
-
KTM
2 stops32h 01m
Multiple Airlines
Mon 6/226:00 pm
KTM
-
ONT
2 stops41h 56m
Multiple Airlines
Deal found 5/14$1,380
This FlightHub deal was found by Cheapflights users on 5/14. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/57:41 pm
ONT
-
KTM
2 stops48h 24m
Multiple Airlines
Mon 6/226:00 pm
KTM
-
ONT
2 stops41h 56m
Multiple Airlines
Deal found 5/14$1,388

Find flight deals from Ontario to Kathmandu

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Kathmandu (KTM). 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 May 16, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,262
(Justfly.com)

One-way from

$704
(FlightHub)

Popular in

June

Cheapest in

August

Average price

$1,369
Provider with most accurate pricing for Ontario-Kathmandu Tribhuvan flight deals.
Search Deals
Provider most trusted by Cheapflights users for Ontario-Kathmandu Tribhuvan flights.
Search Deals
From Ontario to Kathmandu Tribhuvan
Search Deals
One-way flight from Ontario to Kathmandu Tribhuvan
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($218 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($40 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Kathmandu 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 May 16, 2026.
Use the filters below to find and compare flights from Ontario to Kathmandu that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioKathmandu

ONT - KTM

ONTKTM

Ontario

Sat 6/20

9:20 pm-8:50 am

2 stops46h 45m

Kathmandu Tribhuvan

Sat 6/27

6:00 pm-11:14 am

2 stops53h 59m

$1,346

OntarioKathmandu

ONT - KTM

ONTKTM

Ontario

Wed 6/10

6:02 am-8:50 am

2 stops38h 03m

Kathmandu Tribhuvan

Sat 7/4

6:00 pm-11:14 am

2 stops53h 59m

$1,393

OntarioKathmandu

ONT - KTM

ONTKTM

Ontario

Mon 6/29

9:20 pm-8:50 am

2 stops46h 45m

Kathmandu Tribhuvan

Wed 7/15

11:05 am-11:11 pm

2 stops48h 51m

$1,397

OntarioKathmandu

ONT - KTM

ONTKTM

Ontario

Mon 6/29

9:20 pm-9:50 am

2 stops47h 45m

Kathmandu Tribhuvan

Tue 7/14

11:05 am-11:11 pm

2 stops48h 51m

$1,397

OntarioKathmandu

ONT - KTM

ONTKTM

Ontario

Fri 6/19

9:20 pm-8:50 am

2 stops46h 45m

Kathmandu Tribhuvan

Sat 6/27

6:00 pm-11:14 am

2 stops53h 59m

$1,416

OntarioKathmandu

ONT - KTM

ONTKTM

Ontario

Mon 10/19

6:00 am-9:50 am

2 stops39h 05m

Kathmandu Tribhuvan

Fri 10/23

6:00 pm-6:00 pm

2 stops36h 45m

$1,465

OntarioKathmandu

ONT - KTM

ONTKTM

Ontario

Thu 6/11

9:20 pm-8:50 am

2 stops46h 45m

Kathmandu Tribhuvan

Tue 11/3

6:45 pm-6:28 pm

2 stops37h 28m

$1,509
Quickest round-trip

OntarioKathmandu

ONT - KTM

ONTKTM

Ontario

Wed 10/21

6:00 am-9:50 am

2 stops39h 05m

Kathmandu Tribhuvan

Sun 10/25

6:45 pm-6:00 pm

2 stops36h 00m

$1,510

OntarioKathmandu

ONT - KTM

ONTKTM

Ontario

Mon 10/19

6:00 am-9:50 am

2 stops39h 05m

Kathmandu Tribhuvan

Sat 10/24

6:00 pm-11:42 pm

2 stops42h 27m

$1,510

OntarioKathmandu

ONT - KTM

ONTKTM

Ontario

Mon 10/19

6:00 am-9:50 am

2 stops39h 05m

Kathmandu Tribhuvan

Sun 10/25

6:45 pm-6:00 pm

2 stops36h 00m

$1,510

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/11

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

Compare providers for flights from Ontario to Kathmandu

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ontario to Kathmandu in May.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Ontario-Kathmandu flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-Kathmandu flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ontario-Kathmandu flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Ontario-Kathmandu 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 Ontario-Kathmandu 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 Ontario to Kathmandu

Have a flexible travel schedule? Discover the best time to fly to Kathmandu from Ontario 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.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Kathmandu. 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 Ontario to Kathmandu?

    Qatar Airways can get you from Ontario to Kathmandu in just under 47h 45m. Your travel time can differ by up to . The distance between Ontario and Kathmandu is about 7908 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Ontario 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.

See more FAQs

Traveling to a place near Kathmandu?

Book flights to Kathmandu if you plan to visit one of these locations
Nagarkot

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