HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
London

$420+ Cheap flights from Kathmandu (KTM) to London (LON)

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 5/1. Fares are subject to change and may not be available on all flights or dates of travel.
KTM — LON
Apr 18 — Apr 251
Sat 4/18
Sat 4/25
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Kathmandu to London with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Kathmandu to London

Cheapest flights from Kathmandu to London
Explore the most affordable flight options available from Kathmandu to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 19, 2026.

This Trip.com deal was found by Cheapflights users on 3/16. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/152:05 pm
KTM
-
LHR
2 stops21h 40m
Multiple Airlines
Wed 4/228:10 pm
LHR
-
KTM
1 stop18h 55m
Multiple Airlines
Deal found 3/16$896
This Kiwi.com deal was found by Cheapflights users on 3/19. 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.
Thu 5/78:50 pm
KTM
-
LHR
1 stop25h 40m
Multiple Airlines
Mon 5/1811:20 am
LHR
-
KTM
2 stops17h 45m
Multiple Airlines
Deal found 3/19$910
This CheapOair deal was found by Cheapflights users on 3/17. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/38:50 pm
KTM
-
LHR
1 stop25h 40m
Multiple Airlines
Wed 6/178:25 pm
LHR
-
KTM
2 stops57h 45m
Multiple Airlines
Deal found 3/17$920
This CheapOair deal was found by Cheapflights users on 3/18. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/18:50 pm
KTM
-
LHR
1 stop25h 40m
Multiple Airlines
Mon 8/318:25 pm
LHR
-
KTM
2 stops57h 45m
Multiple Airlines
Deal found 3/18$923
This China Eastern deal was found by Cheapflights users on 3/16. 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 China Eastern is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/54:35 pm
KTM
-
LHR
3 stops54h 50m
China Eastern
Thu 6/259:20 pm
LHR
-
KTM
2 stops37h 30m
China Eastern
Deal found 3/16$926
This OneTravel deal was found by Cheapflights users on 3/17. 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 OneTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/71:25 pm
KTM
-
LHR
2 stops29h 45m
Multiple Airlines
Thu 4/234:50 pm
LHR
-
KTM
2 stops20h 35m
Multiple Airlines
Deal found 3/17$941
This OneTravel deal was found by Cheapflights users on 3/18. 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 OneTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/181:25 pm
KTM
-
LHR
2 stops22h 25m
Multiple Airlines
Thu 5/284:50 pm
LHR
-
KTM
2 stops20h 35m
Multiple Airlines
Deal found 3/18$942
This CheapOair deal was found by Cheapflights users on 3/17. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/222:05 pm
KTM
-
LHR
1 stop32h 25m
Multiple Airlines
Tue 5/269:20 pm
LHR
-
KTM
2 stops37h 30m
Multiple Airlines
Deal found 3/17$943
This OneTravel deal was found by Cheapflights users on 3/19. 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 OneTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/71:25 pm
KTM
-
LHR
2 stops35h 35m
Multiple Airlines
Wed 4/224:50 pm
LHR
-
KTM
2 stops20h 35m
Multiple Airlines
Deal found 3/19$944
This CheapOair deal was found by Cheapflights users on 3/15. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/21:25 pm
KTM
-
LHR
2 stops34h 00m
Multiple Airlines
Tue 4/74:50 pm
LHR
-
KTM
2 stops44h 35m
Multiple Airlines
Deal found 3/15$946
This China Eastern deal was found by Cheapflights users on 3/19. 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 China Eastern is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/34:35 pm
KTM
-
LHR
2 stops54h 50m
China Eastern
Sun 5/109:20 pm
LHR
-
KTM
2 stops37h 30m
China Eastern
Deal found 3/19$947

Find flight deals from Kathmandu to London

Discover tips and strategies to find the most affordable flight options for your journey from Kathmandu (KTM) to London (LON). 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 March 19, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$896
(Trip.com)

One-way from

$420
(Kiwi.com)

Popular in

April

Cheapest in

January

Average price

$1,262
Provider with most accurate pricing for Kathmandu Tribhuvan-London (LON) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Kathmandu Tribhuvan-London (LON) flights.
Search Deals
From Kathmandu Tribhuvan to London (LON)
Search Deals
One-way flight from Kathmandu Tribhuvan to London (LON)
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($126 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($24 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Kathmandu to London 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 March 19, 2026.
Use the filters below to find and compare flights from Kathmandu to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

KathmanduLondon

KTM - LHR

KTMLHR

Kathmandu Tribhuvan

Fri 6/5

6:15 pm-8:00 am

1 stop18h 30m

London Heathrow

Fri 6/19

11:00 am-8:50 am

1 stop17h 05m

$959

KathmanduLondon

KTM - LHR

KTMLHR

Kathmandu Tribhuvan

Thu 6/4

10:55 am-10:10 pm

1 stop16h 00m

London Heathrow

Fri 6/19

11:00 am-8:50 am

1 stop17h 05m

$959

KathmanduLondon

KTM - LHR

KTMLHR

Kathmandu Tribhuvan

Tue 6/2

10:55 am-10:10 pm

1 stop16h 00m

London Heathrow

Fri 6/19

8:25 am-8:50 am

1 stop19h 40m

$959

KathmanduLondon

KTM - LHR

KTMLHR

Kathmandu Tribhuvan

Sun 8/23

4:35 pm-6:40 pm

3 stops54h 50m

London Heathrow

Fri 9/4

9:20 pm-3:35 pm

3 stops37h 30m

$974

KathmanduLondon

KTM - LHR

KTMLHR

Kathmandu Tribhuvan

Tue 4/28

4:35 pm-6:40 pm

2 stops54h 50m

London Heathrow

Tue 5/5

9:20 pm-3:35 pm

2 stops37h 30m

$974

KathmanduLondon

KTM - LHR

KTMLHR

Kathmandu Tribhuvan

Sun 8/16

10:05 am-10:10 pm

1 stop16h 50m

London Heathrow

Sun 8/23

7:25 pm-4:45 pm

1 stop16h 35m

$1,096

KathmanduLondon

KTM - LHR

KTMLHR

Kathmandu Tribhuvan

Wed 5/6

10:55 am-10:10 pm

1 stop16h 00m

London Heathrow

Wed 6/17

3:35 pm-8:50 am

1 stop12h 30m

$1,153

KathmanduLondon

KTM - LHR

KTMLHR

Kathmandu Tribhuvan

Tue 4/14

7:55 pm-4:10 pm

1 stop25h 00m

London Heathrow

Tue 4/21

10:15 pm-11:35 pm

1 stop20h 35m

$1,231

KathmanduLondon

KTM - LHR

KTMLHR

Kathmandu Tribhuvan

Sun 8/23

12:35 am-2:25 pm

1 stop18h 35m

London Heathrow

Thu 9/3

2:25 pm-8:05 am

1 stop12h 55m

$1,284

KathmanduLondon

KTM - LHR

KTMLHR

Kathmandu Tribhuvan

Sun 4/19

4:35 pm-6:40 pm

3 stops54h 50m

London Heathrow

Sat 4/25

9:20 pm-3:35 pm

2 stops61h 30m

$1,312

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/15

Showing 1-10 of 22 resultsSorted by cheapest first
1
2
3
  • Most accurate provider: When it comes to deals on Kathmandu-London flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Kathmandu-London flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Kathmandu-London flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Kathmandu-London 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 Kathmandu-London 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 Kathmandu to London

Have a flexible travel schedule? Discover the best time to fly to London 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 London

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

Use this chart to determine the optimal time to book a round-trip flight from Kathmandu to London. Price data was last updated on March 13, 2026.

The price you pay for your flight from Kathmandu to London may vary depending on when you book. For the best chance of a lower fare, look to book 43 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, February is the cheapest month in which you can book a flight from Kathmandu to London (average of $521). Flying from Kathmandu to London in April is currently the most expensive (average of $1,050). 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.

How much does it cost to fly round-trip from Kathmandu to London?

What’s the top layover airport for flights from Kathmandu to London?

Share of 1-stop round-trip flights from Kathmandu to London chosen by Cheapflights users in the past 12 months, using the same layover each way.

New Delhi (DEL) – chosen by Cheapflights users on 67% of 1-stop itineraries from Kathmandu to London on Cheapflights.

What’s the cheapest layover airport for flights from Kathmandu to London?

Average round-trip fare for 1-stop flights from Kathmandu to London, chosen by Cheapflights users in the past 12 months, with the same layover each way.

New Delhi (DEL) is the most affordable 1-stop option, with an average round-trip price of $1,051.

What’s the fastest layover option from Kathmandu to London?

Shortest average travel time for 1-stop one-way flights from Kathmandu to London, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via New Delhi (DEL) have the shortest average one-way travel time for 1-stop routes: 15h 08m.

Which airport typically offers the quickest layover for flights from Kathmandu to London?

Average layover duration for 1-stop one-way flights from Kathmandu to London, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via New Delhi (DEL) offer the fastest connection on this route, with an average layover time of 2h 20m.

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. 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 London. Reviews last updated March 19, 2026.
Read through reviews of airlines operating flights from Kathmandu to London, such as Air India. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Air India
5.5
Fair
2,970 reviews

Overall

5.5

Food

5.8

Entertainment

4.6

Crew

6.6

Boarding

6.2

Comfort

5.5

Reviews

1 / 20
6.0
Good

Mette,Feb 2026

DEL - SFO

Food and comfort is awful. Very old seats that were falling apart and food tasted bad and small portions Flight attendants were welcoming and helpful
Air India
5.5
Fair
2,970 reviews
Air India
5.5
Fair
2,970 reviews

Overall

5.5

Food

5.8

Entertainment

4.6

Crew

6.6

Boarding

6.2

Comfort

5.5

Reviews

1 / 20
6.0
Good

Mette,Feb 2026

DEL - SFO

Food and comfort is awful. Very old seats that were falling apart and food tasted bad and small portions Flight attendants were welcoming and helpful

Related info for your journey

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

    For a flight from Kathmandu to London, you will be flying from Tribhuvan. Kathmandu Tribhuvan (KTM) is just 2.5 mi from the center of the city. Tribhuvan is the only Kathmandu airport and it handles 0 outbound flights to London per day. 2 airlines have flights to London from Kathmandu Tribhuvan on a regular basis.

  • How long is the flight from Kathmandu to London?

    Departing from Kathmandu to London will take you 18h 30m. Kathmandu and London are separated by a distance of 4569 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Kathmandu to London round-trip?

    Our cheapest airline available from Kathmandu to London is Air India. Our recent data shows that you can find tickets from as low as $940 on this airline. An additional option worth looking into is Qatar Airways, starting at $964. You may be able to fly from Kathmandu to London for 20% less than the average price by searching for these airlines.

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

    One-way options have recently been found by users for as low as $283 on IndiGo. Other airlines that offer cheap prices include China Eastern from $360 and Air India from $389 one-way.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Kathmandu to London 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 London?

    Currently, February is the cheapest month in which you can book a flight from Kathmandu to London (average of $521). Flying from Kathmandu to London in April is currently the most expensive (average of $1,050). 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 London?

Book flights to London if you plan to visit one of these locations
Ilford
Hounslow
Croydon
Gatwick
Southend-on-Sea
Harrow
Eastleigh
Dartford
Dover
Winchester
Orpington
Watford
Borehamwood
Aylesbury
Chipping Norton
Hayes
Kingston upon Thames
Eastbourne
Sutton
Slough

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Kathmandu to London

See prices for flight routes from nearby airports that may be better suited for you.
Kathmandu to Heathrow flights

Top 2 airlines flying from Kathmandu to London

Discover the top 2 airlines that operate flights from Kathmandu to London. 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 March 19, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air IndiaCheapest$940Average$1,052FlexibilityNo cancel feeOn-timeN/A
Qatar AirwaysCheapest$964Average$1,159FlexibilityNo cancel feeOn-time68%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.