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Cheap flights from Washington, D.C. to Kathmandu from $353

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 2/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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.
Multiple Airlines Logo
2:35 pm - 9:05 am
IAD
-
KTM
31h 45m1 stop
Multiple Airlines Logo
10:50 am - 7:20 pm
KTM
-
IAD
43h 15m2 stops
$1,084Multiple Airlines
Mon, Jan 19 - Wed, Feb 11
Multiple Airlines Logo
2:35 pm - 9:05 am
IAD
-
KTM
31h 45m1 stop
Multiple Airlines Logo
5:10 pm - 7:20 pm
KTM
-
IAD
36h 55m2 stops
$1,085Multiple Airlines
Mon, Jan 19 - Mon, Feb 9
Air India Logo
6:00 am - 11:00 pm
DCA
-
KTM
31h 15m2 stops
Air India Logo
5:30 pm - 10:59 pm
KTM
-
DCA
39h 14m2 stops
$1,087Air India
Sat, Apr 11 - Sat, Apr 25
Air India Logo
6:00 am - 8:10 pm
DCA
-
KTM
28h 25m2 stops
Air India Logo
9:10 pm - 10:59 pm
KTM
-
DCA
35h 34m2 stops
$1,088Air India
Sun, Apr 5 - Sun, Apr 19
Multiple Airlines Logo
2:35 pm - 9:05 am
IAD
-
KTM
31h 45m1 stop
Multiple Airlines Logo
1:15 pm - 7:20 pm
KTM
-
IAD
40h 50m2 stops
$1,090Multiple Airlines
Fri, Jan 30 - Fri, Feb 6
Air India Logo
6:00 am - 8:05 pm
DCA
-
KTM
28h 20m2 stops
Air India Logo
10:05 am - 10:59 pm
KTM
-
DCA
46h 39m2 stops
$1,091Air India
Thu, Mar 12 - Sat, Mar 28
Qatar Airways Logo
6:00 am - 5:50 pm
BWI
-
KTM
49h 05m2 stops
Qatar Airways Logo
9:10 am - 7:39 pm
KTM
-
BWI
45h 14m2 stops
$1,359Qatar Airways
Thu, Feb 5 - Thu, Feb 26
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
Mon, Jan 26 - Mon, Feb 2
Qatar Airways Logo
6:00 am - 5:50 pm
BWI
-
KTM
49h 05m2 stops
Qatar Airways Logo
7:05 pm - 7:39 pm
KTM
-
BWI
35h 19m2 stops
$1,364Qatar Airways
Thu, Feb 5 - Tue, Feb 17
Qatar Airways Logo
12:32 pm - 4:25 pm
BWI
-
KTM
42h 08m2 stops
Qatar Airways Logo
10:05 am - 11:47 pm
KTM
-
BWI
47h 27m2 stops
$1,366Qatar Airways
Wed, Mar 11 - Thu, Apr 9

Qatar Airways flights from Washington, D.C. to Kathmandu

Our best Qatar Airways deals on Washington, D.C. to Kathmandu flight tickets
Qatar Airways
Jan 7
IAD10:40 amWashington, D.C. Dulles Intl
19h 00m
1 stop
KTM4:25 pmKathmandu Tribhuvan
Feb 18
KTM7:05 pmKathmandu Tribhuvan
31h 35m
1 stop
IAD3:55 pmWashington, D.C. Dulles Intl
$1,348
Find similar
Qatar Airways
Feb 5
BWI6:00 amBaltimore/Washington
49h 05m
2 stops
KTM5:50 pmKathmandu Tribhuvan
Feb 26
KTM9:10 amKathmandu Tribhuvan
45h 14m
2 stops
BWI7:39 pmBaltimore/Washington
$1,359
Find similar
Qatar Airways
Jan 26
BWI6:00 amBaltimore/Washington
39h 10m
2 stops
KTM7:55 amKathmandu Tribhuvan
Feb 2
KTM5:40 pmKathmandu Tribhuvan
41h 04m
2 stops
BWI11:59 pmBaltimore/Washington
$1,361
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
Apr 11
DCA6:00 amWashington, D.C. Reagan-National
31h 15m
2 stops
KTM11:00 pmKathmandu Tribhuvan
Apr 25
KTM5:30 pmKathmandu Tribhuvan
39h 14m
2 stops
DCA10:59 pmWashington, D.C. Reagan-National
$1,087
Find similar
Air India
Apr 5
DCA6:00 amWashington, D.C. Reagan-National
28h 25m
2 stops
KTM8:10 pmKathmandu Tribhuvan
Apr 19
KTM9:10 pmKathmandu Tribhuvan
35h 34m
2 stops
DCA10:59 pmWashington, D.C. Reagan-National
$1,088
Find similar
Air India
Mar 12
DCA6:00 amWashington, D.C. Reagan-National
28h 20m
2 stops
KTM8:05 pmKathmandu Tribhuvan
Mar 28
KTM10:05 amKathmandu Tribhuvan
46h 39m
2 stops
DCA10:59 pmWashington, D.C. Reagan-National
$1,091
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 January 2, 2026.
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

Mon 1/19

2:35 pm-9:05 am

1 stop31h 45m

Kathmandu Tribhuvan

Wed 2/11

10:50 am-7:20 pm

2 stops43h 15m

$1,084

Washington, D.C.Kathmandu

IAD - KTM

IADKTM

Washington, D.C. Dulles Intl

Mon 1/19

2:35 pm-9:05 am

1 stop31h 45m

Kathmandu Tribhuvan

Mon 2/9

5:10 pm-7:20 pm

2 stops36h 55m

$1,085

Washington, D.C.Kathmandu

DCA - KTM

DCAKTM

Washington, D.C. Reagan-National

Sat 4/11

6:00 am-11:00 pm

2 stops31h 15m

Kathmandu Tribhuvan

Sat 4/25

5:30 pm-10:59 pm

2 stops39h 14m

$1,087

Washington, D.C.Kathmandu

DCA - KTM

DCAKTM

Washington, D.C. Reagan-National

Sun 4/5

6:00 am-8:10 pm

2 stops28h 25m

Kathmandu Tribhuvan

Sun 4/19

9:10 pm-10:59 pm

2 stops35h 34m

$1,088

Washington, D.C.Kathmandu

IAD - KTM

IADKTM

Washington, D.C. Dulles Intl

Fri 1/30

2:35 pm-9:05 am

1 stop31h 45m

Kathmandu Tribhuvan

Fri 2/6

1:15 pm-7:20 pm

2 stops40h 50m

$1,090

Washington, D.C.Kathmandu

DCA - KTM

DCAKTM

Washington, D.C. Reagan-National

Thu 3/12

6:00 am-8:05 pm

2 stops28h 20m

Kathmandu Tribhuvan

Sat 3/28

10:05 am-10:59 pm

2 stops46h 39m

$1,091

BaltimoreKathmandu

BWI - KTM

BWIKTM

Baltimore/Washington

Thu 2/5

6:00 am-5:50 pm

2 stops49h 05m

Kathmandu Tribhuvan

Thu 2/26

9:10 am-7:39 pm

2 stops45h 14m

$1,359

BaltimoreKathmandu

BWI - KTM

BWIKTM

Baltimore/Washington

Mon 1/26

6:00 am-7:55 am

2 stops39h 10m

Kathmandu Tribhuvan

Mon 2/2

5:40 pm-11:59 pm

2 stops41h 04m

$1,361

BaltimoreKathmandu

BWI - KTM

BWIKTM

Baltimore/Washington

Thu 2/5

6:00 am-5:50 pm

2 stops49h 05m

Kathmandu Tribhuvan

Tue 2/17

7:05 pm-7:39 pm

2 stops35h 19m

$1,364

BaltimoreKathmandu

BWI - KTM

BWIKTM

Baltimore/Washington

Wed 3/11

12:32 pm-4:25 pm

2 stops42h 08m

Kathmandu Tribhuvan

Thu 4/9

10:05 am-11:47 pm

2 stops47h 27m

$1,366

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 typical price of a round-trip flight between Washington, D.C. and Kathmandu?

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.

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 $1,441 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 32% 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 January 2026, prices for Washington, D.C. to Kathmandu flights are approximately 7% 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 35m

Direct flights

None
The fastest flight from Washington, D.C. to Kathmandu takes 22h 35m
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 35m.

  • 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 $856Free CancellationRating
5.5
2,968 reviews
Search Air India flights
IndiGoPriceFrom $987Free CancellationRating
6.8
512 reviews
Search IndiGo flights
EmiratesPriceFrom $1,092Free CancellationRating
8.1
3,449 reviews
Search Emirates flights
Turkish AirlinesPriceFrom $1,155Free CancellationRating
7.3
4,144 reviews
Search Turkish Airlines flights
Qatar AirwaysPriceFrom $1,238Free CancellationRating
7.4
3,698 reviews
Search Qatar Airways flights
Etihad AirwaysPriceFrom $1,403Free CancellationRating
7.3
1,350 reviews
Search Etihad Airways flights
SWISSPriceFrom $1,611Free CancellationRating
7.5
1,832 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 $1,238
Air India
Emirates
IndiGo
Turkish Airlines
Etihad Airways
SWISS