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Kathmandu

$400+ Cheap flights from Irvine, CA 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 1/18. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — KTM
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheapflights Tip: The best prices from Irvine to Kathmandu Tribhuvan are usually found in August or April, booked 64 days in advance, depart on a Wednesday or Tuesday and return on a Tuesday

Cheap flight deals from Irvine to Kathmandu

Cheapest flights from Irvine to Kathmandu
Explore the most affordable flight options available from Irvine to Kathmandu. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

This Booking.com deal was found by Cheapflights users on 12/17. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3010:55 amLAX - KTM
1 stop44h 50mCathay Pacific
Tue 2/1010:55 pmKTM - LAX
1 stop31h 10mCathay Pacific
Deal found 12/17$863
This FlightHub deal was found by Cheapflights users on 12/16. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/2611:30 amLAX - KTM
3 stops62h 45mChina Eastern
Mon 1/265:00 pmKTM - LAX
3 stops53h 50mChina Eastern
Deal found 12/16$1,074
This FlightHub deal was found by Cheapflights users on 12/16. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2911:30 amLAX - KTM
3 stops62h 45mChina Eastern
Sat 1/175:00 pmKTM - LAX
3 stops53h 50mChina Eastern
Deal found 12/16$1,172
This FlightHub deal was found by Cheapflights users on 12/16. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2910:00 pmLAX - KTM
1 stop34h 45mChina Southern
Sat 1/1712:30 pmKTM - LAX
1 stop19h 45mChina Southern
Deal found 12/16$1,181
This Ovago deal was found by Cheapflights users on 12/16. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/2610:55 amLAX - KTM
1 stop44h 50mCathay Pacific
Mon 1/2610:55 pmKTM - LAX
1 stop35h 45mCathay Pacific
Deal found 12/16$1,189
This Orbitz deal was found by Cheapflights users on 12/16. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/2611:30 amLAX - KTM
3 stops62h 45mChina Eastern
Tue 2/35:00 pmKTM - LAX
2 stops29h 50mChina Eastern
Deal found 12/16$1,232
This Kiwi.com deal was found by Cheapflights users on 12/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/266:58 pmLAX - KTM
2 stops52h 47mMultiple Airlines
Tue 2/312:20 pmKTM - LAX
1 stop20h 30mMultiple Airlines
Deal found 12/16$1,241
This Booking.com deal was found by Cheapflights users on 12/17. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/301:05 pmLAX - KTM
2 stops31h 00mMultiple Airlines
Tue 2/1012:20 pmKTM - LAX
1 stop20h 30mMultiple Airlines
Deal found 12/17$1,276
This Ovago deal was found by Cheapflights users on 12/17. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/299:15 pmLAX - KTM
1 stop34h 30mCathay Pacific
Sat 1/1710:55 pmKTM - LAX
1 stop24h 05mCathay Pacific
Deal found 12/17$1,303
This FlightHub deal was found by Cheapflights users on 12/17. 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.
Tue 12/3011:30 amLAX - KTM
2 stops62h 45mChina Eastern
Tue 2/105:00 pmKTM - LAX
2 stops29h 50mChina Eastern
Deal found 12/17$1,310

Find flight deals from Irvine to Kathmandu

Keep the following information in mind while searching for Irvine to Kathmandu flight deals. Data was last updated December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

Gurufare
3 stars

Round-trip from

$834
(Ovago)

One-way from

$400
(Ovago)

Popular in

December

Cheapest in

August

Average price

$1,766
Provider with most accurate pricing for Los Angeles-Kathmandu Tribhuvan flight deals.
Search Deals
Provider most trusted by Cheapflights users for Los Angeles-Kathmandu Tribhuvan flights.
Search Deals
From Irvine to Kathmandu Tribhuvan
Search Deals
One-way flight from Irvine to Kathmandu Tribhuvan
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($163 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($48 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Irvine 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 December 18, 2025.
Use the filters below to find and compare flights from Irvine to Kathmandu that are best for you.

Fly from

Irvine

Fly to

Kathmandu

Route

Depart

Return

Price

Los AngelesKathmandu

LAX - KTM

LAXKTM

Los Angeles

Mon 1/26

10:55 am-9:30 pm

1 stop44h 50m

Kathmandu Tribhuvan

Wed 3/18

10:55 pm-5:20 pm

1 stop31h 10m

$852

Los AngelesKathmandu

LAX - KTM

LAXKTM

Los Angeles

Tue 3/3

10:35 pm-9:30 pm

1 stop33h 10m

Kathmandu Tribhuvan

Wed 3/18

10:55 pm-10:15 am

1 stop24h 05m

$852

Los AngelesKathmandu

LAX - KTM

LAXKTM

Los Angeles

Sun 3/22

10:30 pm-11:20 am

1 stop24h 05m

Kathmandu Tribhuvan

Tue 4/7

11:40 am-8:45 pm

1 stop21h 50m

$856

Los AngelesKathmandu

LAX - KTM

LAXKTM

Los Angeles

Fri 3/20

10:30 pm-11:20 am

1 stop24h 05m

Kathmandu Tribhuvan

Sun 4/12

11:40 am-8:45 pm

1 stop21h 50m

$856

Los AngelesKathmandu

LAX - KTM

LAXKTM

Los Angeles

Tue 1/13

9:30 pm-11:20 am

1 stop24h 05m

Kathmandu Tribhuvan

Fri 2/20

12:20 pm-7:05 pm

1 stop20h 30m

$856

Los AngelesKathmandu

LAX - KTM

LAXKTM

Los Angeles

Tue 3/17

10:30 pm-11:20 am

1 stop24h 05m

Kathmandu Tribhuvan

Tue 4/7

11:40 am-8:45 pm

1 stop21h 50m

$856

Los AngelesKathmandu

LAX - KTM

LAXKTM

Los Angeles

Tue 1/27

9:30 pm-11:20 am

1 stop24h 05m

Kathmandu Tribhuvan

Tue 3/17

12:20 pm-8:05 pm

1 stop20h 30m

$856

Los AngelesKathmandu

LAX - KTM

LAXKTM

Los Angeles

Sun 3/15

10:30 pm-11:20 am

1 stop24h 05m

Kathmandu Tribhuvan

Fri 4/17

11:40 am-8:45 pm

1 stop21h 50m

$856

Los AngelesKathmandu

LAX - KTM

LAXKTM

Los Angeles

Sun 1/25

9:30 pm-11:20 am

1 stop24h 05m

Kathmandu Tribhuvan

Tue 3/17

12:20 pm-8:05 pm

1 stop20h 30m

$856

Los AngelesKathmandu

LAX - KTM

LAXKTM

Los Angeles

Mon 1/26

11:30 am-4:00 pm

2 stops38h 45m

Kathmandu Tribhuvan

Wed 3/18

5:00 pm-10:05 am

2 stops29h 50m

$867

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/15

Showing 1-10 of 22 results
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Best time to book a flight from Irvine to Kathmandu

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

How far ahead should I book a flight from Irvine to Kathmandu?

Use this chart to determine the optimal time to book a round-trip flight from Irvine to Kathmandu. Price data was last updated on December 12, 2025.

To ensure you get the cheapest price possible for a flight from Irvine to Kathmandu, you should look to book at least 64 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Irvine to Kathmandu?

Currently, August is the cheapest month in which you can book a flight from Irvine to Kathmandu (average of $726). Flying from Irvine to Kathmandu in June is currently the most expensive (average of $1,248). 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.

What is the cheapest time of day to fly from IR9 to KTM?

Find hourly flight availability from Irvine to Kathmandu. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 18, 2025.

When flying from Irvine to Kathmandu, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 27% versus a flight in the afternoon.

What is the cheapest day to fly from Irvine to Kathmandu?

Use this chart to determine the cheapest time to fly round-trip from Irvine to Kathmandu. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Irvine to Kathmandu flight should consider departing on Saturday mornings when fares are most often at their lowest. Wednesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Kathmandu

Get insights into the airlines that provide service to Kathmandu. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Kathmandu. Reviews last updated December 18, 2025.
Read reviews from past customers who have flown Singapore Airlines, Cathay Pacific, and China Southern from Irvine to Kathmandu. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Singapore Airlines
8.1
Very good
1,414 reviews

Overall

8.1

Comfort

8.0

Crew

8.6

Entertainment

8.0

Food

7.8

Boarding

8.3

Reviews

1 / 20
2.0
Mediocre

Ketan,Nov 2024

SEA - SIN

Sin to amd was not good flight. Food was bad. It was like few days old.
Singapore Airlines
8.1
Very good
1,414 reviews
Singapore Airlines
8.1
Very good
1,414 reviews

Overall

8.1

Comfort

8.0

Crew

8.6

Entertainment

8.0

Food

7.8

Boarding

8.3

Reviews

1 / 20
2.0
Mediocre

Ketan,Nov 2024

SEA - SIN

Sin to amd was not good flight. Food was bad. It was like few days old.
Cathay Pacific
7.6
Good
1,095 reviews
Singapore Airlines
8.1
Very good
1,414 reviews

Overall

8.1

Comfort

8.0

Crew

8.6

Entertainment

8.0

Food

7.8

Boarding

8.3

Reviews

1 / 20
2.0
Mediocre

Ketan,Nov 2024

SEA - SIN

Sin to amd was not good flight. Food was bad. It was like few days old.
China Southern
7.5
Good
122 reviews
Singapore Airlines
8.1
Very good
1,414 reviews

Overall

8.1

Comfort

8.0

Crew

8.6

Entertainment

8.0

Food

7.8

Boarding

8.3

Reviews

1 / 20
2.0
Mediocre

Ketan,Nov 2024

SEA - SIN

Sin to amd was not good flight. Food was bad. It was like few days old.
Qatar Airways
7.4
Good
3,686 reviews
Singapore Airlines
8.1
Very good
1,414 reviews

Overall

8.1

Comfort

8.0

Crew

8.6

Entertainment

8.0

Food

7.8

Boarding

8.3

Reviews

1 / 20
2.0
Mediocre

Ketan,Nov 2024

SEA - SIN

Sin to amd was not good flight. Food was bad. It was like few days old.
Turkish Airlines
7.3
Good
4,103 reviews
Singapore Airlines
8.1
Very good
1,414 reviews

Overall

8.1

Comfort

8.0

Crew

8.6

Entertainment

8.0

Food

7.8

Boarding

8.3

Reviews

1 / 20
2.0
Mediocre

Ketan,Nov 2024

SEA - SIN

Sin to amd was not good flight. Food was bad. It was like few days old.

Related info for your journey

Find useful and relevant information for your journey from Irvine to Kathmandu. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Kathmandu from Irvine?

    If you book a flight to Kathmandu from Irvine, you will be flying to Tribhuvan, which is the city’s only airport. Kathmandu Tribhuvan (KTM) is located 2.5 mi from the center of Kathmandu. There are 0 flights from Irvine to Tribhuvan per day from 9 different airlines.

  • How long is the flight from Irvine to Kathmandu?

    Departing from Irvine to Kathmandu will take you 24h 05m. Irvine and Kathmandu are separated by a distance of 7897 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Irvine to Kathmandu one-way?

    For one-way options, check prices for Cathay Pacific. According to our data, you can fly for as low as $342. Users have also found prices from $378 and $404 on Singapore Airlines and China Southern, respectively.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Irvine 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.

  • What is the cheapest month to book a flight from Irvine to Kathmandu?

    Currently, August is the cheapest month in which you can book a flight from Irvine to Kathmandu (average of $726). Flying from Irvine to Kathmandu in June is currently the most expensive (average of $1,248). 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

Traveling to a place near Kathmandu?

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

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Top 9 airlines flying from Irvine to Kathmandu

Discover the top 9 airlines that operate flights from Irvine to Kathmandu. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
Sichuan AirlinesCheapest$756Average$1,040FlexibilityNo cancel feeOn-time63%
Cathay PacificCheapest$776Average$1,132FlexibilityNo cancel feeOn-time72%
China EasternCheapest$786Average$874FlexibilityNo cancel feeOn-time62%
China SouthernCheapest$863Average$1,162FlexibilityNo cancel feeOn-time69%
Singapore AirlinesCheapest$883Average$1,232FlexibilityNo cancel feeOn-time81%
Qatar AirwaysCheapest$973Average$1,388FlexibilityNo cancel feeOn-time68%
Turkish AirlinesCheapest$1,097Average$1,385FlexibilityNo cancel feeOn-time77%
IndiGoCheapest$1,171Average$1,283FlexibilityNo cancel feeOn-time80%
EmiratesCheapest$1,284Average$1,511FlexibilityNo cancel feeOn-time75%

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