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Cheap flights from Kathmandu to Los Angeles from $816

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Kathmandu to Los Angeles departing on 9/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Kathmandu to Los Angeles

Cheap round-trip flights

Enter your travel dates to find the best prices.
Qatar Airways Logo
6:00 pm - 11:11 pm
KTM
-
ONT
41h 56m
2 stops
Qatar Airways Logo
5:26 pm - 2:15 pm
ONT
-
KTM
56h 04m
2 stops
$1,561Qatar Airways
Tue, Jul 7 - Tue, Jul 28
Multiple Airlines Logo
8:00 am - 11:11 pm
KTM
-
ONT
27h 56m
2 stops
Multiple Airlines Logo
6:02 am - 8:50 am
ONT
-
KTM
38h 03m
2 stops
$1,793Multiple Airlines
Thu, Jul 23 - Mon, Aug 24
Air India Logo
5:30 pm - 10:36 pm
KTM
-
ONT
41h 51m
3 stops
Air India Logo
11:50 pm - 4:30 pm
ONT
-
KTM
27h 55m
2 stops
$1,832Air India
Thu, Jul 23 - Mon, Aug 24
Air India Logo
5:30 pm - 10:36 pm
KTM
-
ONT
41h 51m
3 stops
Air India Logo
6:00 am - 6:35 am
ONT
-
KTM
35h 50m
3 stops
$1,907Air India
Thu, Jul 23 - Mon, Aug 24
Turkish Airlines Logo
8:00 am - 10:44 pm
KTM
-
ONT
51h 29m
2 stops
Turkish Airlines Logo
11:51 pm - 6:35 am
ONT
-
KTM
65h 59m
2 stops
$1,924Turkish Airlines
Mon, Jul 6 - Wed, Jul 29
Air India Logo
6:30 am - 10:44 pm
KTM
-
ONT
52h 59m
3 stops
Air India Logo
11:51 pm - 4:30 pm
ONT
-
KTM
27h 54m
2 stops
$1,965Air India
Tue, Jul 7 - Tue, Jul 28
Turkish Airlines Logo
8:00 am - 10:44 pm
KTM
-
ONT
51h 29m
2 stops
Turkish Airlines Logo
11:51 pm - 6:35 am
ONT
-
KTM
41h 59m
2 stops
$1,976Turkish Airlines
Mon, Jul 6 - Tue, Jul 28
Korean Air Logo
7:20 pm - 5:21 pm
KTM
-
ONT
34h 46m
2 stops
Korean Air Logo
6:20 am - 5:15 pm
ONT
-
KTM
46h 10m
2 stops
$1,994Korean Air
Tue, Jul 7 - Sun, Jul 26
Turkish Airlines Logo
8:00 am - 9:59 pm
KTM
-
ONT
50h 44m
2 stops
Turkish Airlines Logo
11:51 pm - 6:35 am
ONT
-
KTM
65h 59m
2 stops
$2,005Turkish Airlines
Fri, Jul 10 - Wed, Jul 29
Air India Logo
7:35 am - 10:44 pm
KTM
-
ONT
51h 54m
3 stops
Air India Logo
6:00 am - 12:05 am
ONT
-
KTM
29h 20m
3 stops
$2,006Air India
Tue, Jul 7 - Tue, Jul 28

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Qatar Airways flights from Kathmandu to Ontario

Our best Qatar Airways deals on Kathmandu to Ontario flight tickets
Qatar Airways
Jul 7
KTM6:00 pmKathmandu Tribhuvan
41h 56m
2 stops
ONT11:11 pmOntario
Jul 28
ONT5:26 pmOntario
56h 04m
2 stops
KTM2:15 pmKathmandu Tribhuvan
$1,561
Qatar Airways
Jul 3
KTM3:30 pmKathmandu Tribhuvan
41h 51m
2 stops
ONT8:36 pmOntario
Jul 21
ONT6:02 amOntario
38h 03m
2 stops
KTM8:50 amKathmandu Tribhuvan
$5,686

Korean Air flights from Kathmandu to Ontario

Our best Korean Air deals on Kathmandu to Ontario flight tickets
Korean Air
Jul 7
KTM7:20 pmKathmandu Tribhuvan
34h 46m
2 stops
ONT5:21 pmOntario
Jul 26
ONT6:20 amOntario
46h 10m
2 stops
KTM5:15 pmKathmandu Tribhuvan
$1,994
Korean Air
Jul 4
KTM7:20 pmKathmandu Tribhuvan
41h 14m
2 stops
ONT11:49 pmOntario
Jul 26
ONT6:20 amOntario
46h 10m
2 stops
KTM5:15 pmKathmandu Tribhuvan
$2,144
Korean Air
Jul 4
KTM7:20 pmKathmandu Tribhuvan
41h 14m
2 stops
ONT11:49 pmOntario
Jul 19
ONT6:00 amOntario
46h 30m
2 stops
KTM5:15 pmKathmandu Tribhuvan
$5,796

momondo 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, momondo users made 832,500 searches. Data last updated June 20, 2026.
Use the filters below to find and compare flights from Kathmandu to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

KathmanduOntario

KTM - ONT

KTMONT

Kathmandu Tribhuvan

Tue 7/7

6:00 pm-11:11 pm

2 stops41h 56m

Ontario

Tue 7/28

5:26 pm-2:15 pm

2 stops56h 04m

$1,561
Quickest round-trip

KathmanduOntario

KTM - ONT

KTMONT

Kathmandu Tribhuvan

Thu 7/23

8:00 am-11:11 pm

2 stops27h 56m

Ontario

Mon 8/24

6:02 am-8:50 am

2 stops38h 03m

$1,793

KathmanduOntario

KTM - ONT

KTMONT

Kathmandu Tribhuvan

Thu 7/23

5:30 pm-10:36 pm

3 stops41h 51m

Ontario

Mon 8/24

11:50 pm-4:30 pm

2 stops27h 55m

$1,832

KathmanduOntario

KTM - ONT

KTMONT

Kathmandu Tribhuvan

Thu 7/23

5:30 pm-10:36 pm

3 stops41h 51m

Ontario

Mon 8/24

6:00 am-6:35 am

3 stops35h 50m

$1,907

KathmanduOntario

KTM - ONT

KTMONT

Kathmandu Tribhuvan

Mon 7/6

8:00 am-10:44 pm

2 stops51h 29m

Ontario

Wed 7/29

11:51 pm-6:35 am

2 stops65h 59m

$1,924

KathmanduOntario

KTM - ONT

KTMONT

Kathmandu Tribhuvan

Tue 7/7

6:30 am-10:44 pm

3 stops52h 59m

Ontario

Tue 7/28

11:51 pm-4:30 pm

2 stops27h 54m

$1,965

KathmanduOntario

KTM - ONT

KTMONT

Kathmandu Tribhuvan

Mon 7/6

8:00 am-10:44 pm

2 stops51h 29m

Ontario

Tue 7/28

11:51 pm-6:35 am

2 stops41h 59m

$1,976

KathmanduOntario

KTM - ONT

KTMONT

Kathmandu Tribhuvan

Tue 7/7

7:20 pm-5:21 pm

2 stops34h 46m

Ontario

Sun 7/26

6:20 am-5:15 pm

2 stops46h 10m

$1,994

KathmanduOntario

KTM - ONT

KTMONT

Kathmandu Tribhuvan

Fri 7/10

8:00 am-9:59 pm

2 stops50h 44m

Ontario

Wed 7/29

11:51 pm-6:35 am

2 stops65h 59m

$2,005

KathmanduOntario

KTM - ONT

KTMONT

Kathmandu Tribhuvan

Tue 7/7

7:35 am-10:44 pm

3 stops51h 54m

Ontario

Tue 7/28

6:00 am-12:05 am

3 stops29h 20m

$2,006

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Los Angeles from

How to get the cheapest flight ticket from Kathmandu to Ontario

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 Kathmandu Tribhuvan to Ontario?

Korean Air is the most popular carrier operating from Kathmandu Tribhuvan to Ontario

What airlines fly to Ontario?

Sichuan Airlines, Qatar Airways and Cathay Pacific are the top three most popular airlines that fly to Ontario from Kathmandu according to our data. Sichuan Airlines is the first choice among our users, with 57% of people opting to fly with this airline when traveling to Ontario. Keep in mind that there are 4 different airlines that fly to Ontario on a routine basis, so you have a few additional options to choose from.

When to book flights from Kathmandu to Ontario

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

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

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

Fastest flight time

32h 16m

Direct flights

None
The fastest flight from Kathmandu to Ontario takes 32h 16m
There are no direct flights from Kathmandu to Ontario. There are no popular flight routes from Kathmandu to Ontario.
Search flight deals

Frequently asked questions about flying from Kathmandu to Ontario

  • How far is Kathmandu Tribhuvan to Ontario by plane?

    The straight-line distance from Kathmandu Tribhuvan to Ontario is 7905.6 mi. Typically, this will take 32h 16m by plane in normal conditions.

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

    Prices for flights from Kathmandu Tribhuvan Airport to Ontario Airport refresh daily.

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Kathmandu Tribhuvan Airport to Ontario Airport.

  • What documentation or ID do you need to fly to Ontario Airport?

    The necessary travel and health documents for your Ontario 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.

Why use momondo?

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

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

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

Yes. momondo enables you to select and highlight flights to Ontario from Kathmandu with this policy.

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

momondo helps you find the best flight between Kathmandu and Ontario by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Price alerts on flights to Ontario from Kathmandu are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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