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Cheap flights from Washington, D.C. to Kathmandu from $387

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. to Kathmandu departing on 2/2. 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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Find the cheapest flights from Washington, D.C. to Kathmandu

Cheap round-trip flights

Enter your travel dates to find the best prices.
IndiGo Logo
9:15 pm - 4:10 pm
IAD
-
KTM
32h 10m2 stops
IndiGo Logo
5:10 pm - 7:20 pm
KTM
-
IAD
36h 55m2 stops
$1,095IndiGo
Tue, Jan 27 - Fri, Feb 20
Air India Logo
6:00 am - 8:05 pm
DCA
-
KTM
27h 20m2 stops
Air India Logo
9:05 pm - 10:59 pm
KTM
-
DCA
35h 39m2 stops
$1,096Air India
Sat, Feb 21 - Sat, Mar 14
IndiGo Logo
9:15 pm - 9:50 am
IAD
-
KTM
25h 50m2 stops
IndiGo Logo
5:10 pm - 7:20 pm
KTM
-
IAD
36h 55m2 stops
$1,097IndiGo
Tue, Jan 20 - Fri, Feb 13
IndiGo Logo
9:15 pm - 9:50 am
IAD
-
KTM
25h 50m2 stops
IndiGo Logo
2:30 pm - 7:20 pm
KTM
-
IAD
39h 35m2 stops
$1,100IndiGo
Tue, Jan 27 - Wed, Feb 18
IndiGo Logo
9:15 pm - 9:50 am
IAD
-
KTM
25h 50m2 stops
IndiGo Logo
10:50 am - 7:20 pm
KTM
-
IAD
43h 15m2 stops
$1,104IndiGo
Fri, Feb 6 - Sun, Feb 15
Multiple Airlines Logo
3:35 pm - 9:50 am
IAD
-
KTM
32h 30m2 stops
Multiple Airlines Logo
10:50 am - 9:45 am
KTM
-
IAD
32h 40m2 stops
$1,106Multiple Airlines
Fri, Mar 20 - Sat, Apr 4
IndiGo Logo
9:15 pm - 4:10 pm
IAD
-
KTM
32h 10m2 stops
IndiGo Logo
2:30 pm - 7:20 pm
KTM
-
IAD
39h 35m2 stops
$1,107IndiGo
Thu, Feb 5 - Tue, Feb 17
Air India Logo
6:00 am - 12:15 am
DCA
-
KTM
31h 30m2 stops
Air India Logo
5:30 pm - 10:59 pm
KTM
-
DCA
39h 14m2 stops
$1,119Air India
Sat, Mar 7 - Sat, Mar 21
Qatar Airways Logo
6:00 am - 7:55 am
BWI
-
KTM
39h 10m2 stops
Qatar Airways Logo
9:10 am - 11:59 pm
KTM
-
BWI
49h 34m2 stops
$1,355Qatar Airways
Tue, Jan 20 - Tue, Jan 27
Qatar Airways Logo
6:00 am - 7:55 am
BWI
-
KTM
39h 10m2 stops
Qatar Airways Logo
5:40 pm - 11:59 pm
KTM
-
BWI
41h 04m2 stops
$1,361Qatar Airways
Wed, Jan 21 - Tue, Feb 3

IndiGo flights from Washington, D.C. to Kathmandu

Our best IndiGo deals on Washington, D.C. to Kathmandu flight tickets
IndiGo
Jan 12
IAD9:15 pmWashington, D.C. Dulles Intl
28h 15m
2 stops
KTM12:15 pmKathmandu Tribhuvan
Feb 3
KTM10:50 amKathmandu Tribhuvan
43h 15m
2 stops
IAD7:20 pmWashington, D.C. Dulles Intl
$1,093
Find similar
IndiGo
Jan 27
IAD9:15 pmWashington, D.C. Dulles Intl
32h 10m
2 stops
KTM4:10 pmKathmandu Tribhuvan
Feb 20
KTM5:10 pmKathmandu Tribhuvan
36h 55m
2 stops
IAD7:20 pmWashington, D.C. Dulles Intl
$1,095
Find similar
IndiGo
Jan 20
IAD9:15 pmWashington, D.C. Dulles Intl
25h 50m
2 stops
KTM9:50 amKathmandu Tribhuvan
Feb 13
KTM5:10 pmKathmandu Tribhuvan
36h 55m
2 stops
IAD7:20 pmWashington, D.C. Dulles Intl
$1,097
Find similar

Air India flights from Washington, D.C. to Kathmandu

Our best Air India deals on Washington, D.C. to Kathmandu flight tickets
Air India
Feb 21
DCA6:00 amWashington, D.C. Reagan-National
27h 20m
2 stops
KTM8:05 pmKathmandu Tribhuvan
Mar 14
KTM9:05 pmKathmandu Tribhuvan
35h 39m
2 stops
DCA10:59 pmWashington, D.C. Reagan-National
$1,096
Find similar
Air India
Mar 7
DCA6:00 amWashington, D.C. Reagan-National
31h 30m
2 stops
KTM12:15 amKathmandu Tribhuvan
Mar 21
KTM5:30 pmKathmandu Tribhuvan
39h 14m
2 stops
DCA10:59 pmWashington, D.C. Reagan-National
$1,119
Find similar
Air India
Feb 7
DCA6:15 amWashington, D.C. Reagan-National
23h 30m
2 stops
KTM4:30 pmKathmandu Tribhuvan
Mar 20
KTM9:05 pmKathmandu Tribhuvan
35h 39m
2 stops
DCA10:59 pmWashington, D.C. Reagan-National
$1,129
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. 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, momondo users made 832,500 searches. Data last updated December 23, 2025.
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

Tue 1/27

9:15 pm-4:10 pm

2 stops32h 10m

Kathmandu Tribhuvan

Fri 2/20

5:10 pm-7:20 pm

2 stops36h 55m

$1,095

Washington, D.C.Kathmandu

DCA - KTM

DCAKTM

Washington, D.C. Reagan-National

Sat 2/21

6:00 am-8:05 pm

2 stops27h 20m

Kathmandu Tribhuvan

Sat 3/14

9:05 pm-10:59 pm

2 stops35h 39m

$1,096

Washington, D.C.Kathmandu

IAD - KTM

IADKTM

Washington, D.C. Dulles Intl

Tue 1/20

9:15 pm-9:50 am

2 stops25h 50m

Kathmandu Tribhuvan

Fri 2/13

5:10 pm-7:20 pm

2 stops36h 55m

$1,097

Washington, D.C.Kathmandu

IAD - KTM

IADKTM

Washington, D.C. Dulles Intl

Tue 1/27

9:15 pm-9:50 am

2 stops25h 50m

Kathmandu Tribhuvan

Wed 2/18

2:30 pm-7:20 pm

2 stops39h 35m

$1,100

Washington, D.C.Kathmandu

IAD - KTM

IADKTM

Washington, D.C. Dulles Intl

Fri 2/6

9:15 pm-9:50 am

2 stops25h 50m

Kathmandu Tribhuvan

Sun 2/15

10:50 am-7:20 pm

2 stops43h 15m

$1,104

Washington, D.C.Kathmandu

IAD - KTM

IADKTM

Washington, D.C. Dulles Intl

Fri 3/20

3:35 pm-9:50 am

2 stops32h 30m

Kathmandu Tribhuvan

Sat 4/4

10:50 am-9:45 am

2 stops32h 40m

$1,106

Washington, D.C.Kathmandu

IAD - KTM

IADKTM

Washington, D.C. Dulles Intl

Thu 2/5

9:15 pm-4:10 pm

2 stops32h 10m

Kathmandu Tribhuvan

Tue 2/17

2:30 pm-7:20 pm

2 stops39h 35m

$1,107

Washington, D.C.Kathmandu

DCA - KTM

DCAKTM

Washington, D.C. Reagan-National

Sat 3/7

6:00 am-12:15 am

2 stops31h 30m

Kathmandu Tribhuvan

Sat 3/21

5:30 pm-10:59 pm

2 stops39h 14m

$1,119

BaltimoreKathmandu

BWI - KTM

BWIKTM

Baltimore/Washington

Tue 1/20

6:00 am-7:55 am

2 stops39h 10m

Kathmandu Tribhuvan

Tue 1/27

9:10 am-11:59 pm

2 stops49h 34m

$1,355

BaltimoreKathmandu

BWI - KTM

BWIKTM

Baltimore/Washington

Wed 1/21

6:00 am-7:55 am

2 stops39h 10m

Kathmandu Tribhuvan

Tue 2/3

5:40 pm-11:59 pm

2 stops41h 04m

$1,361

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 Kathmandu from

How to get the cheapest flight ticket from Washington, D.C. 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 month to fly to Kathmandu?

The month of October is another great option to travel to Kathmandu, with average flight prices from Washington, D.C. averaging around $1,270.

What is the cheapest day to depart on your flight to Kathmandu?

According to our data, Tuesday is the cheapest day to fly to Kathmandu from Washington, D.C.. The lowest ticket price found for a Tuesday departure recently was $1,295. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Flights from Washington, D.C. to Kathmandu on a Thursday will generally be more expensive and average around $1,464. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Kathmandu?

In the afternoon is the cheapest time of day to fly from Washington, D.C. to Kathmandu when you can find flight prices for as low as $1,501. Flying to Kathmandu in the afternoon is an ideal time because this is during off-peak travel hours. Flights at noon are often more expensive with an average ticket price of $1,696.

How far in advance should I book a flight to Kathmandu?

You are more likely to see cheaper flights to Kathmandu from Washington, D.C. when booking weeks ahead of your departure date. In general, you can expect to find flights to Kathmandu for around $1,438 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Kathmandu from Washington, D.C. for as low as $1,223 on momondo.

Can stopping save me money on Washington, D.C. to Kathmandu flights?

You could potentially save up to 14% on your flight if you consider stops on a Washington, D.C. to Kathmandu flight.

How have Washington, D.C. to Kathmandu flight prices changed over time?

As of December 2025, prices for Washington, D.C. to Kathmandu flights are approximately 22% more expensive when compared to flights at the same time last year.

When to book flights from Washington, D.C. to Kathmandu

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

Cheap Washington, D.C. to Kathmandu (WAS to KTM) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. to Kathmandu

Fastest flight time

22h 55m

Direct flights

None
The fastest flight from Washington, D.C. to Kathmandu takes 22h 55m
There are no direct flights from Washington, D.C. to Kathmandu. There are no popular flight routes from Washington, D.C. to Kathmandu.
Search flight deals

  • How far is Washington, D.C. to Kathmandu Tribhuvan by plane?

    A flight from Washington, D.C. to Kathmandu Tribhuvan will travel around 7689.5 mi. A reasonable flight in good conditions will take 22h 55m.

  • When did momondo last update prices for flights from Washington, D.C. to Kathmandu Tribhuvan Airport?

    Prices for flights from Washington, D.C. to Kathmandu Tribhuvan Airport were last updated today.

  • How many operators does momondo search for flights from Washington, D.C. to Kathmandu Tribhuvan Airport?

  • How old do you have to be to fly from Washington, D.C. to Kathmandu Tribhuvan Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Washington, D.C. to Kathmandu Tribhuvan Airport.

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

    The required travel and health documents for your Kathmandu Tribhuvan Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Kathmandu Tribhuvan Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Washington, D.C. to Kathmandu?

Best airlines flying from Washington, D.C. to Kathmandu

Compare and see reviews for airlines that fly from Washington, D.C. to Kathmandu with momondo
Airline
Rating
Free Cancellation
Price
Air IndiaPriceFrom $858Free CancellationRating
5.5
2,954 reviews
Search Air India flights
IndiGoPriceFrom $989Free CancellationRating
6.8
510 reviews
Search IndiGo flights
EmiratesPriceFrom $1,092Free CancellationRating
8.1
3,442 reviews
Search Emirates flights
Turkish AirlinesPriceFrom $1,154Free CancellationRating
7.3
4,111 reviews
Search Turkish Airlines flights
Qatar AirwaysPriceFrom $1,236Free CancellationRating
7.4
3,686 reviews
Search Qatar Airways flights
Etihad AirwaysPriceFrom $1,403Free CancellationRating
7.4
1,336 reviews
Search Etihad Airways flights
SWISSPriceFrom $1,611Free CancellationRating
7.5
1,817 reviews
Search SWISS flights

Traveling to a place near Kathmandu?

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

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Kathmandu?

Finding the right flight to Kathmandu from Washington, D.C. is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Kathmandu quick and easy, saving you time and money.

Can I find flights from Washington, D.C. to Kathmandu with flexible booking policies on momondo?

Yes. All flights to Kathmandu from Washington, D.C. on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Washington, D.C. to Kathmandu?

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

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

Price alerts on flights to Kathmandu from Washington, D.C. 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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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
Qatar Airways flights from Washington, D.C. to Kathmandufrom $1,236
Air India
Emirates
IndiGo
Turkish Airlines
Etihad Airways
SWISS