When did momondo last update prices for flights from Ontario Airport to Kathmandu Tribhuvan Airport?

Prices for flights from Ontario Airport to Kathmandu Tribhuvan Airport were last updated today.

How old do you have to be to fly from Ontario Airport to Kathmandu Tribhuvan Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Ontario Airport to Kathmandu Tribhuvan Airport.

What documentation or ID do you need to fly to Kathmandu Tribhuvan Airport?

The necessary travel and health documents for your Kathmandu Tribhuvan Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$599 Cheap Flights from Ontario to Kathmandu in 2026

Find the cheapest flights from Ontario to Kathmandu

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One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

12:00 pm - 2:15 pmONT Ontario-KTM Kathmandu Tribhuvan

37h 30m2 stops Seattle/Tacoma Intl Doha Hamad Intl

6:45 pm - 7:03 pmKTM Kathmandu Tribhuvan-ONT Ontario

37h 03m2 stops Doha Hamad Intl Seattle/Tacoma Intl

$1,197Multiple Airlines

Sun, Aug 30 - Wed, Sep 23

7:59 pm - 8:50 amONT Ontario-KTM Kathmandu Tribhuvan

48h 06m2 stops Seattle/Tacoma Intl Doha Hamad Intl

6:45 pm - 7:03 pmKTM Kathmandu Tribhuvan-ONT Ontario

37h 03m2 stops Doha Hamad Intl Seattle/Tacoma Intl

$1,202Multiple Airlines

Thu, Aug 27 - Mon, Sep 21

6:02 am - 8:50 amONT Ontario-KTM Kathmandu Tribhuvan

38h 03m2 stops Seattle/Tacoma Intl Doha Hamad Intl

6:00 pm - 11:24 pmKTM Kathmandu Tribhuvan-ONT Ontario

42h 09m2 stops Doha Hamad Intl Seattle/Tacoma Intl

$1,205Qatar Airways

Wed, Sep 2 - Thu, Sep 17

6:02 am - 4:45 pmONT Ontario-KTM Kathmandu Tribhuvan

45h 58m2 stops Seattle/Tacoma Intl Doha Hamad Intl

6:45 pm - 11:24 pmKTM Kathmandu Tribhuvan-ONT Ontario

41h 24m2 stops Doha Hamad Intl Seattle/Tacoma Intl

$1,206Multiple Airlines

Thu, Aug 27 - Wed, Sep 23

12:00 pm - 8:50 amONT Ontario-KTM Kathmandu Tribhuvan

32h 05m2 stops Seattle/Tacoma Intl Doha Hamad Intl

6:45 pm - 7:03 pmKTM Kathmandu Tribhuvan-ONT Ontario

37h 03m2 stops Doha Hamad Intl Seattle/Tacoma Intl

$1,235Multiple Airlines

Fri, Aug 28 - Wed, Sep 23

6:02 am - 9:50 amONT Ontario-KTM Kathmandu Tribhuvan

39h 03m2 stops Seattle/Tacoma Intl Doha Hamad Intl

5:40 pm - 10:54 pmKTM Kathmandu Tribhuvan-ONT Ontario

42h 59m2 stops Doha Hamad Intl Seattle/Tacoma Intl

$1,237Qatar Airways

Sun, Oct 25 - Tue, Nov 10

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

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

5:40 pm - 6:28 pmKTM Kathmandu Tribhuvan-ONT Ontario

38h 33m2 stops Doha Hamad Intl Seattle/Tacoma Intl

$1,242Multiple Airlines

Thu, Oct 22 - Sat, Nov 7

6:00 am - 5:30 pmONT Ontario-KTM Kathmandu Tribhuvan

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

5:40 pm - 10:39 pmKTM Kathmandu Tribhuvan-ONT Ontario

42h 44m2 stops Doha Hamad Intl Seattle/Tacoma Intl

$1,245Qatar Airways

Sun, Nov 1 - Mon, Jan 25

6:56 pm - 8:20 amONT Ontario-KTM Kathmandu Tribhuvan

48h 39m2 stops Seattle/Tacoma Intl Doha Hamad Intl

5:40 pm - 10:54 pmKTM Kathmandu Tribhuvan-ONT Ontario

42h 59m2 stops Doha Hamad Intl Seattle/Tacoma Intl

$1,252Qatar Airways

Fri, Oct 23 - Fri, Nov 6

7:59 pm - 8:50 amONT Ontario-KTM Kathmandu Tribhuvan

48h 06m2 stops Seattle/Tacoma Intl Doha Hamad Intl

6:00 pm - 11:24 pmKTM Kathmandu Tribhuvan-ONT Ontario

42h 09m2 stops Doha Hamad Intl Seattle/Tacoma Intl

$1,253Qatar Airways

Fri, Aug 28 - Wed, Sep 23

Cheap last minute flights

Enter your travel dates to find the best prices.

12:04 pm - 8:50 amONT Ontario-KTM Kathmandu Tribhuvan

32h 01m2 stops Seattle/Tacoma Intl Doha Hamad Intl

6:00 pm - 7:03 pmKTM Kathmandu Tribhuvan-ONT Ontario

37h 48m2 stops Doha Hamad Intl Seattle/Tacoma Intl

$1,259Qatar Airways

Tue, Aug 11 - Sun, Sep 13

12:45 am - 10:30 pmONT Ontario-KTM Kathmandu Tribhuvan

33h 00m3 stops Taipei City Taiwan Taoyuan Intl Bangkok Suvarnabhumi Guangzhou Baiyun

12:25 am - 6:40 pmKTM Kathmandu Tribhuvan-ONT Ontario

31h 00m2 stops Bangkok Suvarnabhumi Taipei City Taiwan Taoyuan Intl

$1,527Multiple Airlines

Sun, Aug 9 - Mon, Aug 17

12:45 am - 11:25 pmONT Ontario-KTM Kathmandu Tribhuvan

33h 55m2 stops Taipei City Taiwan Taoyuan Intl Bangkok Suvarnabhumi

12:25 am - 6:40 pmKTM Kathmandu Tribhuvan-ONT Ontario

31h 00m2 stops Bangkok Suvarnabhumi Taipei City Taiwan Taoyuan Intl

$1,543Multiple Airlines

Sun, Aug 9 - Mon, Aug 17

12:45 am - 11:25 pmONT Ontario-KTM Kathmandu Tribhuvan

33h 55m2 stops Taipei City Taiwan Taoyuan Intl Bangkok Suvarnabhumi

12:25 am - 6:40 pmKTM Kathmandu Tribhuvan-ONT Ontario

31h 00m2 stops Bangkok Suvarnabhumi Taipei City Taiwan Taoyuan Intl

$1,576Multiple Airlines

Sat, Aug 8 - Sun, Aug 16

12:45 am - 11:25 pmONT Ontario-KTM Kathmandu Tribhuvan

33h 55m2 stops Taipei City Taiwan Taoyuan Intl Bangkok Suvarnabhumi

12:25 am - 6:40 pmKTM Kathmandu Tribhuvan-ONT Ontario

31h 00m2 stops Bangkok Suvarnabhumi Taipei City Taiwan Taoyuan Intl

$1,589Multiple Airlines

Mon, Aug 10 - Tue, Aug 18

12:45 am - 7:50 pmONT Ontario-KTM Kathmandu Tribhuvan

30h 20m3 stops Taipei City Taiwan Taoyuan Intl Bangkok Suvarnabhumi New Delhi Indira Gandhi Intl

12:25 am - 6:40 pmKTM Kathmandu Tribhuvan-ONT Ontario

31h 00m2 stops Bangkok Suvarnabhumi Taipei City Taiwan Taoyuan Intl

$1,658Multiple Airlines

Mon, Aug 10 - Tue, Aug 18

12:45 am - 7:50 pmONT Ontario-KTM Kathmandu Tribhuvan

30h 20m3 stops Taipei City Taiwan Taoyuan Intl Bangkok Suvarnabhumi New Delhi Indira Gandhi Intl

12:25 am - 6:40 pmKTM Kathmandu Tribhuvan-ONT Ontario

31h 00m2 stops Bangkok Suvarnabhumi Taipei City Taiwan Taoyuan Intl

$1,677Multiple Airlines

Sat, Aug 8 - Sun, Aug 16

12:45 am - 11:25 pmONT Ontario-KTM Kathmandu Tribhuvan

33h 55m3 stops Taipei City Taiwan Taoyuan Intl Manila Ninoy Aquino Intl Bangkok Suvarnabhumi

12:25 am - 6:40 pmKTM Kathmandu Tribhuvan-ONT Ontario

31h 00m3 stops Bangkok Suvarnabhumi Manila Ninoy Aquino Intl Taipei City Taiwan Taoyuan Intl

$1,735Multiple Airlines

Sun, Aug 9 - Mon, Aug 17

12:45 am - 11:25 pmONT Ontario-KTM Kathmandu Tribhuvan

33h 55m3 stops Taipei City Taiwan Taoyuan Intl Hong Kong Intl Bangkok Suvarnabhumi

12:25 am - 6:40 pmKTM Kathmandu Tribhuvan-ONT Ontario

31h 00m3 stops Bangkok Suvarnabhumi Hong Kong Intl Taipei City Taiwan Taoyuan Intl

$1,789Multiple Airlines

Mon, Aug 10 - Tue, Aug 18

12:08 pm - 8:50 amONT Ontario-KTM Kathmandu Tribhuvan

31h 57m2 stops Seattle/Tacoma Intl Doha Hamad Intl

3:30 pm - 11:11 pmKTM Kathmandu Tribhuvan-ONT Ontario

44h 26m2 stops Doha Hamad Intl Seattle/Tacoma Intl

$2,047Qatar Airways

Sun, Aug 9 - Tue, Aug 11

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Qatar Airways flights from Ontario to Kathmandu

Our best Qatar Airways deals on Ontario to Kathmandu flight tickets

Qatar Airways

Sep 2

ONT6:02 amOntario

38h 03m

2 stops

KTM8:50 amKathmandu Tribhuvan

Sep 17

KTM6:00 pmKathmandu Tribhuvan

42h 09m

2 stops

ONT11:24 pmOntario

$1,205

Qatar Airways

Oct 25

ONT6:02 amOntario

39h 03m

2 stops

KTM9:50 amKathmandu Tribhuvan

Nov 10

KTM5:40 pmKathmandu Tribhuvan

42h 59m

2 stops

ONT10:54 pmOntario

$1,237

Qatar Airways

Nov 1

ONT6:00 amOntario

45h 45m

2 stops

KTM5:30 pmKathmandu Tribhuvan

Jan 25

KTM5:40 pmKathmandu Tribhuvan

42h 44m

2 stops

ONT10:39 pmOntario

$1,245

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioKathmandu

ONT Ontario - KTM Kathmandu Tribhuvan

ONTKTM

Ontario

Sun 8/30

12:00 pm-2:15 pm

2 stops37h 30m

Kathmandu Tribhuvan

Wed 9/23

6:45 pm-7:03 pm

2 stops37h 03m

$1,197

OntarioKathmandu

ONT Ontario - KTM Kathmandu Tribhuvan

ONTKTM

Ontario

Thu 8/27

7:59 pm-8:50 am

2 stops48h 06m

Kathmandu Tribhuvan

Mon 9/21

6:45 pm-7:03 pm

2 stops37h 03m

$1,202

OntarioKathmandu

ONT Ontario - KTM Kathmandu Tribhuvan

ONTKTM

Ontario

Wed 9/2

6:02 am-8:50 am

2 stops38h 03m

Kathmandu Tribhuvan

Thu 9/17

6:00 pm-11:24 pm

2 stops42h 09m

$1,205

OntarioKathmandu

ONT Ontario - KTM Kathmandu Tribhuvan

ONTKTM

Ontario

Thu 8/27

6:02 am-4:45 pm

2 stops45h 58m

Kathmandu Tribhuvan

Wed 9/23

6:45 pm-11:24 pm

2 stops41h 24m

$1,206

Quickest round-trip

OntarioKathmandu

ONT Ontario - KTM Kathmandu Tribhuvan

ONTKTM

Ontario

Fri 8/28

12:00 pm-8:50 am

2 stops32h 05m

Kathmandu Tribhuvan

Wed 9/23

6:45 pm-7:03 pm

2 stops37h 03m

$1,235

OntarioKathmandu

ONT Ontario - KTM Kathmandu Tribhuvan

ONTKTM

Ontario

Sun 10/25

6:02 am-9:50 am

2 stops39h 03m

Kathmandu Tribhuvan

Tue 11/10

5:40 pm-10:54 pm

2 stops42h 59m

$1,237

OntarioKathmandu

ONT Ontario - KTM Kathmandu Tribhuvan

ONTKTM

Ontario

Thu 10/22

6:02 am-2:15 pm

2 stops43h 28m

Kathmandu Tribhuvan

Sat 11/7

5:40 pm-6:28 pm

2 stops38h 33m

$1,242

OntarioKathmandu

ONT Ontario - KTM Kathmandu Tribhuvan

ONTKTM

Ontario

Sun 11/1

6:00 am-5:30 pm

2 stops45h 45m

Kathmandu Tribhuvan

Mon 1/25

5:40 pm-10:39 pm

2 stops42h 44m

$1,245

OntarioKathmandu

ONT Ontario - KTM Kathmandu Tribhuvan

ONTKTM

Ontario

Fri 10/23

6:56 pm-8:20 am

2 stops48h 39m

Kathmandu Tribhuvan

Fri 11/6

5:40 pm-10:54 pm

2 stops42h 59m

$1,252

OntarioKathmandu

ONT Ontario - KTM Kathmandu Tribhuvan

ONTKTM

Ontario

Fri 8/28

7:59 pm-8:50 am

2 stops48h 06m

Kathmandu Tribhuvan

Wed 9/23

6:00 pm-11:24 pm

2 stops42h 09m

$1,253

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Ontario to Kathmandu

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Ontario to Kathmandu Tribhuvan?

Qatar Airways is the most popular carrier operating from Ontario to Kathmandu Tribhuvan

What airlines fly to Kathmandu?

Cathay Pacific, China Southern and Qatar Airways are the top three most popular airlines that fly to Kathmandu from Ontario according to our data. Cathay Pacific is the first choice among our users, with 40% of people opting to fly with this airline when traveling to Kathmandu. Keep in mind that there are 8 different airlines that fly to Kathmandu on a routine basis, so you have a few additional options to choose from.

When to book flights from Ontario to Kathmandu

Are you open to changing your travel dates? Check out the ideal times to fly from Ontario to Kathmandu according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Ontario to Kathmandu (ONT to KTM) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ontario to Kathmandu

Fastest flight time	32h 05m
Direct flights	None

The fastest flight from Ontario to Kathmandu takes 32h 05m

There are no direct flights from Ontario to Kathmandu. There are no popular flight routes from Ontario to Kathmandu.

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Frequently asked questions about flying from Ontario to Kathmandu

How far is Ontario to Kathmandu Tribhuvan by plane?
The straight-line distance from Ontario to Kathmandu Tribhuvan is 7905.6 mi. A reasonable flight in good conditions will take 32h 05m.
When did momondo last update prices for flights from Ontario Airport to Kathmandu Tribhuvan Airport?
Prices for flights from Ontario Airport to Kathmandu Tribhuvan Airport were last updated today.
How old do you have to be to fly from Ontario Airport to Kathmandu Tribhuvan Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Ontario Airport to Kathmandu Tribhuvan Airport.
What documentation or ID do you need to fly to Kathmandu Tribhuvan Airport?
The necessary travel and health documents for your Kathmandu Tribhuvan Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Nagarkot

Why use momondo?

Why should I use momondo to find a flight deal from Ontario to Kathmandu?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Ontario to Kathmandu. momondo saves you time and could save you money on your trip.

Can I find flights from Ontario to Kathmandu with flexible booking policies on momondo?

All flight searches from Ontario to Kathmandu on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Ontario to Kathmandu?

momondo provides multiple filters to help you find the best flight to Kathmandu from Ontario. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Ontario to Kathmandu right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Kathmandu from Ontario. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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Cheap flights from Ontario to Kathmandu from $599

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Kathmandu departing on 8/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Qatar Airways flights from Ontario to Kathmandu

Our best Qatar Airways deals on Ontario to Kathmandu flight tickets

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How to get the cheapest flight ticket from Ontario to Kathmandu

What is the cheapest airline that flies from Ontario to Kathmandu Tribhuvan?

What airlines fly to Kathmandu?

When to book flights from Ontario to Kathmandu

Cheap Ontario to Kathmandu (ONT to KTM) flight deals and tips

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Frequently asked questions about flying from Ontario to Kathmandu

Traveling to a place near Kathmandu?

Why use momondo?

An easier way to manage your Kathmandu trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Nepal

Fly your favorite airline to Kathmandu

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Kathmandu

List of cabin classes available on flights landing in Kathmandu. Availability may vary depending on flight origin and airline.

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