What are the cheapest airlines flying from Washington, D.C. to Kathmandu round-trip?

Air India, at $1,134, was found to be the cheapest airline from Washington, D.C. to Kathmandu.Alternate airlines to your destination round-trip include IndiGo and Emirates. You may be able to fly from Washington, D.C. to Kathmandu for 22% less than the average price by searching for these airlines.

What are the cheapest airlines to fly from Washington, D.C. to Kathmandu one-way?

For one-way options, check prices for IndiGo. According to our data, you can fly for as low as $504. Users have also found prices from $534 and $551 on Air India and Turkish Airlines, respectively.

What are the most popular routes from Washington, D.C. to Kathmandu?

When deciding which route to take from Washington, D.C. to Kathmandu consider Washington, D.C. Dulles Intl - Kathmandu Tribhuvan, Washington, D.C. Reagan-National - Kathmandu Tribhuvan or Baltimore/Washington - Kathmandu Tribhuvan as they are the most popular.

Where are the most common layover locations when flying from Washington, D.C. to Kathmandu?

Most of the time, Washington, D.C. to Kathmandu flights that have layovers will stop in Doha. New Delhi sees the next most layovers on Washington, D.C. to Kathmandu flights.

Where are the least popular layover locations for Washington, D.C. to Kathmandu flights?

The least popular layover on flights from Washington, D.C. to Kathmandu is Istanbul.

What are some popular things to do or see while on a layover in Doha?

Doha travelers tend to visit Museum of Islamic Art, Katara Cultural Village, and Aspire Tower more than anywhere else. Museum of Islamic Art, Katara Cultural Village, and Aspire Tower are located about 5.2 mi, 8.7 mi, and 10.6 mi, respectively from Doha Hamad Intl. Travelers can book a car rental at Doha Hamad Intl for about $28 per day to make their sightseeing more efficient.

What are some popular points of interest to see during a layover in New Delhi?

Most New Delhi visitors opt to spend their time at Karol Bagh, Lajpat Nagar Central Market, and Gurudwara Bangla Sahib. Karol Bagh, Lajpat Nagar Central Market and Gurudwara Bangla Sahib are located about 8.7 mi, 8.7 mi, and 8.2 mi, respectively from New Delhi Indira Gandhi Intl if you are interested in checking them out. Travelers in need of a car in New Delhi can rent one for about $51 per day.

What is the cheapest day to fly round-trip from Washington, D.C. to Kathmandu?

Flying to your destination on a Wednesday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to Kathmandu. Check prices with Cheapflights to find a great deal for your trip.

How far in advance should I book a flight from Washington, D.C. to Kathmandu?

To save on the cost of your flight from Washington, D.C. to Kathmandu, book at least 9 days before your planned departure. Booking around this time can save you about 57% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $1,035 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $1,625.

What is the cheapest month to fly from Washington, D.C. to Kathmandu?

September can be a great time to fly to Kathmandu from Washington, D.C. with a flight ticket averaging about $1,457. Cheapflights users have found deals in the month of September for as cheap as $897. The most expensive prices can be found in the month of December.

What airport do you fly into for flights to Kathmandu from Washington, D.C.?

If you book a flight to Kathmandu from Washington, D.C., 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 Washington, D.C. to Tribhuvan per day from 10 different airlines.

Can I find deals for flights from Washington, D.C. to Kathmandu that include hotel bookings?

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

How can I find direct flights from Washington, D.C. to Kathmandu?

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

Can I find deals for business class flights from Washington, D.C. to Kathmandu?

Yes. Cheapflights offers flight deals from Washington, D.C. 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.

$484+ Flights from Washington, D.C. to Kathmandu

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Cheapflights Tip: The best prices from Washington, D.C. to Kathmandu Tribhuvan are usually found in September or August, booked 8 days in advance, depart on a Saturday or Tuesday and return on a Thursday

Cheap flight deals from Washington, D.C. to Kathmandu

Round-trip from	$1,134 (oojo)
One-way from	$484 (Kiwi.com)
Popular in	December
Cheapest in	September
Average price	$1,721

From Washington, D.C. (WAS) to Kathmandu Tribhuvan

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One-way flight from Washington, D.C. (WAS) to Kathmandu Tribhuvan

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Highest demand for flights based on searches. 10% potential increase in price ($164 potential increase over avg. RT price).

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Cheapest flight prices on average. 3% potential price decrease ($52 potential savings vs. average RT price).

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Average for round-trip flights in June 2025

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Find flight deals from Washington, D.C. to Kathmandu

Cheapest flights from Washington, D.C. to Kathmandu
Explore the most affordable flight options available from Washington, D.C. to Kathmandu. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

Sun 10/2611:00 amIAD - KTM

1 stop33h 50mMultiple Airlines

Sat 11/11:45 pmKTM - IAD

1 stop27h 50mMultiple Airlines

Deal found 6/11

$1,127

Sun 8/312:50 pmIAD - KTM

1 stop32h 00mAir India

Sat 8/167:35 amKTM - IAD

2 stops37h 25mAir India

Deal found 6/11

$1,134

Fri 8/89:40 pmIAD - KTM

2 stops32h 15mIndiGo

Tue 8/264:40 pmKTM - IAD

2 stops36h 50mIndiGo

Deal found 6/11

$1,135

Thu 9/410:55 amIAD - KTM

1 stop26h 25mEmirates

Tue 9/3011:55 pmKTM - IAD

1 stop42h 30mEmirates

Deal found 6/10

$1,142

Thu 9/119:00 pmIAD - KTM

1 stop26h 05mQatar Airways

Thu 11/206:45 pmKTM - IAD

1 stop31h 55mQatar Airways

Deal found 6/10

$1,347

Wed 7/92:50 pmBWI - KTM

3 stops33h 15mMultiple Airlines

Wed 7/161:25 pmKTM - BWI

3 stops42h 41mMultiple Airlines

Deal found 6/11

$1,388

Thu 9/41:35 pmDCA - KTM

2 stops40h 20mEtihad Airways

Tue 9/304:20 pmKTM - DCA

2 stops35h 25mEtihad Airways

Deal found 6/10

$1,421

Tue 9/308:59 amDCA - KTM

2 stops51h 01mSingapore Airlines

Wed 10/2211:10 pmKTM - DCA

2 stops55h 49mSingapore Airlines

Deal found 6/11

$1,549

Mon 9/15:00 pmDCA - KTM

2 stops44h 20mEmirates

Tue 9/303:35 pmKTM - DCA

2 stops40h 53mEmirates

Deal found 6/10

$1,573

Thu 10/306:53 pmDCA - KTM

2 stops41h 22mMultiple Airlines

Fri 11/1411:15 pmKTM - DCA

2 stops30h 26mMultiple Airlines

Deal found 6/11

$1,609

Wed 8/2710:30 amDCA - KTM

2 stops36h 35mQatar Airways

Wed 10/86:00 pmKTM - DCA

2 stops36h 36mQatar Airways

Deal found 6/12

$1,636

Wed 8/202:54 pmBWI - KTM

2 stops46h 26mEmirates

Tue 2/177:15 pmKTM - BWI

2 stops36h 27mEmirates

Deal found 6/11

$1,676

Best flights from Washington, D.C. to Kathmandu
Discover carefully curated flight deals from Washington, D.C. to Kathmandu that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 12, 2025.

Sun 8/312:50 pmIAD - KTM

1 stop32h 00mAir India

Sat 8/167:35 amKTM - IAD

2 stops37h 25mAir India

Deal found 6/11

$1,134

Fri 8/89:40 pmIAD - KTM

2 stops32h 15mIndiGo

Tue 8/264:40 pmKTM - IAD

2 stops36h 50mIndiGo

Deal found 6/11

$1,135

Thu 9/410:55 amIAD - KTM

1 stop26h 25mEmirates

Tue 9/3011:55 pmKTM - IAD

1 stop42h 30mEmirates

Deal found 6/10

$1,142

Wed 8/611:00 amIAD - KTM

3 stops33h 45mMultiple Airlines

Tue 9/164:40 pmKTM - IAD

2 stops33h 15mMultiple Airlines

Deal found 6/12

$1,152

Thu 9/41:35 pmDCA - KTM

2 stops40h 20mEtihad Airways

Tue 9/304:20 pmKTM - DCA

2 stops35h 25mEtihad Airways

Deal found 6/10

$1,421

Sun 8/318:59 amDCA - KTM

2 stops51h 01mSingapore Airlines

Sun 9/2811:00 pmKTM - DCA

2 stops55h 44mSingapore Airlines

Deal found 6/10

$1,584

Wed 8/2710:30 amDCA - KTM

2 stops36h 35mQatar Airways

Wed 10/86:00 pmKTM - DCA

2 stops36h 36mQatar Airways

Deal found 6/12

$1,636

Sat 8/307:31 pmDCA - KTM

2 stops40h 29mCathay Pacific

Fri 10/311:00 pmKTM - DCA

2 stops31h 00mCathay Pacific

Deal found 6/10

$1,774

Wed 9/107:29 pmBWI - KTM

2 stops35h 56mKorean Air

Mon 9/227:20 pmKTM - BWI

2 stops31h 06mKorean Air

Deal found 6/10

$2,004

Wed 7/92:50 pmBWI - KTM

3 stops33h 15mMultiple Airlines

Wed 7/161:25 pmKTM - BWI

3 stops42h 41mMultiple Airlines

Deal found 6/11

$1,388

Mon 9/15:00 pmDCA - KTM

2 stops44h 20mEmirates

Tue 9/303:35 pmKTM - DCA

2 stops40h 53mEmirates

Deal found 6/10

$1,573

Fri 8/86:02 pmBWI - KTM

2 stops41h 58mSingapore Airlines

Mon 9/111:00 pmKTM - BWI

2 stops51h 52mSingapore Airlines

Deal found 6/10

$1,703

Last-minute flights from Washington, D.C. to Kathmandu
Discover last-minute flight deals from Washington, D.C. to Kathmandu. Data last updated June 12, 2025 and is based on user searches.

Wed 6/1812:50 pmIAD - KTM

1 stop38h 25mAir India

Mon 8/182:00 pmKTM - IAD

2 stops31h 00mAir India

Deal found 6/10

$1,587

Wed 6/189:00 pmIAD - KTM

1 stop34h 00mQatar Airways

Sun 7/66:00 pmKTM - IAD

1 stop24h 25mQatar Airways

Deal found 6/11

$1,810

Fri 6/2010:05 pmIAD - KTM

2 stops31h 50mMultiple Airlines

Tue 7/151:25 pmKTM - IAD

2 stops31h 35mMultiple Airlines

Deal found 6/10

$1,323

Fri 6/201:30 pmIAD - KTM

2 stops40h 25mIndiGo

Fri 7/114:40 pmKTM - IAD

2 stops36h 50mIndiGo

Deal found 6/9

$1,370

Fri 6/2011:30 amDCA - KTM

2 stops42h 25mEtihad Airways

Mon 7/144:20 pmKTM - DCA

2 stops37h 28mEtihad Airways

Deal found 6/11

$1,547

Fri 6/2010:05 pmIAD - KTM

1 stop31h 50mEtihad Airways

Mon 7/144:20 pmKTM - IAD

1 stop33h 35mEtihad Airways

Deal found 6/10

$1,555

Fri 6/208:45 pmIAD - KTM

2 stops48h 05mSWISS

Fri 8/229:00 pmKTM - IAD

2 stops53h 00mSWISS

Deal found 6/11

$1,696

Fri 6/209:40 pmIAD - KTM

1 stop22h 50mTurkish Airlines

Tue 7/157:40 amKTM - IAD

1 stop37h 50mTurkish Airlines

Deal found 6/11

$1,797

Fri 6/2010:55 amIAD - KTM

1 stop26h 25mEmirates

Fri 7/113:35 pmKTM - IAD

1 stop26h 50mEmirates

Deal found 6/10

$1,804

Fri 6/203:59 pmDCA - KTM

2 stops31h 06mQatar Airways

Fri 7/1110:05 amKTM - DCA

2 stops43h 43mQatar Airways

Deal found 6/10

$2,113

Fri 6/209:59 amDCA - KTM

3 stops50h 01mSingapore Airlines

Mon 7/1411:00 pmKTM - DCA

2 stops56h 27mSingapore Airlines

Deal found 6/11

$2,757

Fri 6/2011:26 amBWI - KTM

2 stops48h 34mCathay Pacific

Wed 7/1611:00 pmKTM - BWI

2 stops33h 02mCathay Pacific

Deal found 6/11

$2,778

One-way flights from Washington, D.C. to Kathmandu
Search for one-way flight options from Washington, D.C. to Kathmandu. Find affordable one-way fares based on user searches. Data last updated June 12, 2025.

Tue 7/228:54 amBWI - KTM

3 stops45h 01mMultiple Airlines

Deal found 6/10

$484

Wed 9/31:30 pmIAD - KTM

2 stops40h 25mIndiGo

Deal found 6/10

$504

Wed 9/109:40 pmIAD - KTM

2 stops25h 40mMultiple Airlines

Deal found 6/9

$512

Fri 8/112:50 pmIAD - KTM

1 stop24h 25mAir India

Deal found 6/12

$534

Wed 7/161:30 pmIAD - KTM

1 stop31h 00mTurkish Airlines

Deal found 6/10

$551

Sun 7/2710:05 pmIAD - KTM

1 stop31h 50mEtihad Airways

Deal found 6/11

$553

Thu 9/41:35 pmDCA - KTM

2 stops40h 20mEtihad Airways

Deal found 6/12

$557

Wed 8/206:59 pmDCA - KTM

2 stops41h 01mMultiple Airlines

Deal found 6/10

$637

Mon 8/49:00 pmIAD - KTM

1 stop26h 05mQatar Airways

Deal found 6/12

$756

Wed 8/136:02 pmBWI - KTM

2 stops41h 58mSingapore Airlines

Deal found 6/10

$761

Wed 8/136:45 pmDCA - KTM

2 stops28h 20mQatar Airways

Deal found 6/10

$879

Wed 9/311:24 amBWI - KTM

2 stops35h 41mQatar Airways

Deal found 6/10

$933

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. to Kathmandu that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Kathmandu

IAD - KTM

IADKTM

Washington, D.C. Dulles Intl

Sun 8/3

12:50 pm-6:35 am

1 stop32h 00m

Kathmandu Tribhuvan

Sat 8/16

7:35 am-11:15 am

2 stops37h 25m

$1,134

Washington, D.C.Kathmandu

IAD - KTM

IADKTM

Washington, D.C. Dulles Intl

Fri 8/8

9:40 pm-3:40 pm

2 stops32h 15m

Kathmandu Tribhuvan

Tue 8/26

4:40 pm-7:45 pm

2 stops36h 50m

$1,135

Washington, D.C.Kathmandu

IAD - KTM

IADKTM

Washington, D.C. Dulles Intl

Thu 9/4

10:55 am-11:05 pm

1 stop26h 25m

Kathmandu Tribhuvan

Tue 9/30

11:55 pm-8:40 am

1 stop42h 30m

$1,142

Washington, D.C.Kathmandu

IAD - KTM

IADKTM

Washington, D.C. Dulles Intl

Wed 8/6

11:00 am-6:30 am

3 stops33h 45m

Kathmandu Tribhuvan

Tue 9/16

4:40 pm-4:10 pm

2 stops33h 15m

$1,152

BaltimoreKathmandu

BWI - KTM

BWIKTM

Baltimore/Washington

Wed 7/9

2:50 pm-9:50 am

3 stops33h 15m

Kathmandu Tribhuvan

Wed 7/16

1:25 pm-10:21 pm

3 stops42h 41m

$1,388

Washington, D.C.Kathmandu

DCA - KTM

DCAKTM

Washington, D.C. Reagan-National

Thu 9/4

1:35 pm-3:40 pm

2 stops40h 20m

Kathmandu Tribhuvan

Tue 9/30

4:20 pm-6:00 pm

2 stops35h 25m

$1,421

Washington, D.C.Kathmandu

DCA - KTM

DCAKTM

Washington, D.C. Reagan-National

Mon 9/1

5:00 pm-11:05 pm

2 stops44h 20m

Kathmandu Tribhuvan

Tue 9/30

3:35 pm-10:43 pm

2 stops40h 53m

$1,573

Washington, D.C.Kathmandu

DCA - KTM

DCAKTM

Washington, D.C. Reagan-National

Sun 8/31

8:59 am-9:45 pm

2 stops51h 01m

Kathmandu Tribhuvan

Tue 9/30

11:00 pm-8:59 pm

2 stops55h 44m

$1,584

Washington, D.C.Kathmandu

DCA - KTM

DCAKTM

Washington, D.C. Reagan-National

Wed 8/27

10:30 am-8:50 am

2 stops36h 35m

Kathmandu Tribhuvan

Wed 10/8

6:00 pm-8:51 pm

2 stops36h 36m

$1,636

Washington, D.C.Kathmandu

DCA - KTM

DCAKTM

Washington, D.C. Reagan-National

Wed 7/9

6:58 pm-9:45 pm

2 stops41h 02m

Kathmandu Tribhuvan

Wed 8/20

11:00 pm-5:59 pm

2 stops52h 44m

$1,664

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 35 results

Best time to book a flight from Washington, D.C. to Kathmandu

Have a flexible travel schedule? Discover the best time to fly to Kathmandu from Washington, D.C. 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 Washington, D.C. to Kathmandu

How far ahead should I book a flight from Washington, D.C. to Kathmandu?

The best time to book flights from Washington, D.C. to Kathmandu is 8 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Washington, D.C. to Kathmandu?

Currently, September is the cheapest month in which you can book a flight from Washington, D.C. to Kathmandu (average of $1,237). Flying from Washington, D.C. to Kathmandu in June is currently the most expensive (average of $1,735). 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 WAS to KTM?

It’s typically best to fly out from Washington, D.C. to Kathmandu in the morning. Doing so could potentially save you 27% on the flight price compared to flying at noon, which is usually more expensive.

What is the cheapest day to fly from Washington, D.C. to Kathmandu?

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

Rainfall in Kathmandu by month

In terms of precipitation, rainfall in Kathmandu ranges from 0.0 - 14.6 inches per month. July is typically the wettest month, when rainfall can reach 14.6 in. November is typically the driest time to visit Kathmandu when rainfall is around 0.0 in.

Temperature in Kathmandu by month

If weather is an important factor for your trip to Kathmandu, use this chart to help with planning. For those seeking warmer temperatures, June is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 50.0 F).

Reviews of airlines servicing Kathmandu

Read through reviews of airlines operating flights from Washington, D.C. to Kathmandu, such as Korean Air, Emirates and Singapore Airlines. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Korean Air

8.4

Very good

1,088 reviews

Reviews

1 / 20

10.0

Excellent

Myung Suk,May 2025

ICN - LAX

The flight was less crowded and the economic class seat was at least 5 inches longer than other airlines.

Korean Air

8.4

Very good

1,088 reviews

Korean Air

8.4

Very good

1,088 reviews

Reviews

1 / 20

10.0

Excellent

Myung Suk,May 2025

ICN - LAX

The flight was less crowded and the economic class seat was at least 5 inches longer than other airlines.

Emirates

8.1

Very good

3,264 reviews

Korean Air

8.4

Very good

1,088 reviews

Reviews

1 / 20

10.0

Excellent

Myung Suk,May 2025

ICN - LAX

The flight was less crowded and the economic class seat was at least 5 inches longer than other airlines.

Singapore Airlines

8.1

Very good

1,302 reviews

Korean Air

8.4

Very good

1,088 reviews

Reviews

1 / 20

10.0

Excellent

Myung Suk,May 2025

ICN - LAX

The flight was less crowded and the economic class seat was at least 5 inches longer than other airlines.

Cathay Pacific

7.6

Good

892 reviews

Korean Air

8.4

Very good

1,088 reviews

Reviews

1 / 20

10.0

Excellent

Myung Suk,May 2025

ICN - LAX

The flight was less crowded and the economic class seat was at least 5 inches longer than other airlines.

SWISS

7.5

Good

1,623 reviews

Korean Air

8.4

Very good

1,088 reviews

Reviews

1 / 20

10.0

Excellent

Myung Suk,May 2025

ICN - LAX

The flight was less crowded and the economic class seat was at least 5 inches longer than other airlines.

Related info for your journey

What airport do you fly into for flights to Kathmandu from Washington, D.C.?
If you book a flight to Kathmandu from Washington, D.C., 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 Washington, D.C. to Tribhuvan per day from 10 different airlines.
What are the cheapest airlines flying from Washington, D.C. to Kathmandu round-trip?
Air India, at $1,134, was found to be the cheapest airline from Washington, D.C. to Kathmandu.Alternate airlines to your destination round-trip include IndiGo and Emirates. You may be able to fly from Washington, D.C. to Kathmandu for 22% less than the average price by searching for these airlines.
What are the cheapest airlines to fly from Washington, D.C. to Kathmandu one-way?
For one-way options, check prices for IndiGo. According to our data, you can fly for as low as $504. Users have also found prices from $534 and $551 on Air India and Turkish Airlines, respectively.
What are the most popular routes from Washington, D.C. to Kathmandu?
When deciding which route to take from Washington, D.C. to Kathmandu consider Washington, D.C. Dulles Intl - Kathmandu Tribhuvan, Washington, D.C. Reagan-National - Kathmandu Tribhuvan or Baltimore/Washington - Kathmandu Tribhuvan as they are the most popular.
Where are the most common layover locations when flying from Washington, D.C. to Kathmandu?
Most of the time, Washington, D.C. to Kathmandu flights that have layovers will stop in Doha. New Delhi sees the next most layovers on Washington, D.C. to Kathmandu flights.
What are some popular things to do or see while on a layover in Doha?
Doha travelers tend to visit Museum of Islamic Art, Katara Cultural Village, and Aspire Tower more than anywhere else. Museum of Islamic Art, Katara Cultural Village, and Aspire Tower are located about 5.2 mi, 8.7 mi, and 10.6 mi, respectively from Doha Hamad Intl. Travelers can book a car rental at Doha Hamad Intl for about $28 per day to make their sightseeing more efficient.
What are some popular points of interest to see during a layover in New Delhi?
Most New Delhi visitors opt to spend their time at Karol Bagh, Lajpat Nagar Central Market, and Gurudwara Bangla Sahib. Karol Bagh, Lajpat Nagar Central Market and Gurudwara Bangla Sahib are located about 8.7 mi, 8.7 mi, and 8.2 mi, respectively from New Delhi Indira Gandhi Intl if you are interested in checking them out. Travelers in need of a car in New Delhi can rent one for about $51 per day.
Where are the least popular layover locations for Washington, D.C. to Kathmandu flights?
The least popular layover on flights from Washington, D.C. to Kathmandu is Istanbul.
Can I find deals for flights from Washington, D.C. to Kathmandu that include hotel bookings?
Yes. In addition to deals on Washington, D.C. to Kathmandu flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Washington, D.C. to Kathmandu?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington, D.C. to Kathmandu.
Can I find deals for business class flights from Washington, D.C. to Kathmandu?
Yes. Cheapflights offers flight deals from Washington, D.C. 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 Washington, D.C. to Kathmandu?
Currently, September is the cheapest month in which you can book a flight from Washington, D.C. to Kathmandu (average of $1,237). Flying from Washington, D.C. to Kathmandu in June is currently the most expensive (average of $1,735). 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

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Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Washington, D.C. to Kathmandu

Dulles Intl to Kathmandu flights

Reagan-National to Kathmandu flights

Other flights to Kathmandu

Top 9 airlines flying from Washington, D.C. to Kathmandu

Airline	Cheapest	Average	Flexibility	On-time
Etihad Airways	Cheapest$777	Average$1,634	FlexibilityNo cancel fee	On-time75%
Air India	Cheapest$926	Average$1,388	FlexibilityNo cancel fee	On-timeN/A
KLM	Cheapest$1,135	Average$1,210	FlexibilityNo cancel fee	On-time75%
Qatar Airways	Cheapest$1,145	Average$1,614	FlexibilityNo cancel fee	On-time68%
IndiGo	Cheapest$1,170	Average$1,333	FlexibilityNo cancel fee	On-time80%
Turkish Airlines	Cheapest$1,183	Average$1,732	FlexibilityNo cancel fee	On-time77%
Singapore Airlines	Cheapest$1,275	Average$1,393	FlexibilityNo cancel fee	On-time81%
Emirates	Cheapest$1,316	Average$1,709	FlexibilityNo cancel fee	On-time75%
SWISS	Cheapest$1,324	Average$1,663	FlexibilityNo cancel fee	On-time79%

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$484+ Cheap flights from Washington, D.C. (WAS) 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 7/22. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheapflights Tip: The best prices from Washington, D.C. to Kathmandu Tribhuvan are usually found in September or August, booked 8 days in advance, depart on a Saturday or Tuesday and return on a Thursday

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Cheapest flights from Washington, D.C. to KathmanduExplore the most affordable flight options available from Washington, D.C. to Kathmandu. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

Explore the most affordable flight options available from Washington, D.C. to Kathmandu. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

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Best time to book a flight from Washington, D.C. to Kathmandu

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Everything you need to know about your flight from Washington, D.C. to Kathmandu

How far ahead should I book a flight from Washington, D.C. to Kathmandu?

Use this chart to determine the optimal time to book a round-trip flight from Washington, D.C. to Kathmandu. Price data was last updated on June 9, 2025.

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Find hourly flight availability from Washington, D.C. 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 June 12, 2025.

What is the cheapest day to fly from Washington, D.C. to Kathmandu?

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

Rainfall in Kathmandu by month

Plan your trip to Kathmandu by taking into account the average rainfall totals by month.

Temperature in Kathmandu by month

Plan your trip to Kathmandu by taking into account the average temperature totals by month.

Reviews of airlines servicing Kathmandu

Read through reviews of airlines operating flights from Washington, D.C. to Kathmandu, such as Korean Air, Emirates and Singapore Airlines. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Washington, D.C. 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 Washington, D.C.?

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Top 9 airlines flying from Washington, D.C. to Kathmandu

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Cheapest flights from Washington, D.C. to Kathmandu
Explore the most affordable flight options available from Washington, D.C. to Kathmandu. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.