Cheap flights from Washington, D.C. to Kathmandu from $444

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 11/14. 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
4:55 pm - 12:15 pmBWI-KTM
32h 35m3 stops
Multiple Airlines Logo
2:45 pm - 11:19 pmKTM-BWI
43h 19m3 stops
$1,077Multiple Airlines
Find Deal
Sat, Nov 15 - Fri, Nov 21
Multiple Airlines Logo
9:45 pm - 6:35 pmIAD-KTM
34h 05m2 stops
Multiple Airlines Logo
1:45 pm - 4:35 pmKTM-IAD
36h 35m2 stops
$1,110Multiple Airlines
Find Deal
Tue, Nov 4 - Sat, Mar 21
IndiGo Logo
1:30 pm - 4:10 pmIAD-KTM
39h 55m2 stops
IndiGo Logo
5:10 pm - 7:20 pmKTM-IAD
36h 55m2 stops
$1,116IndiGo
Find Deal
Tue, Nov 25 - Wed, Dec 17
IndiGo Logo
9:15 pm - 4:10 pmIAD-KTM
32h 10m2 stops
IndiGo Logo
10:50 am - 7:20 pmKTM-IAD
43h 15m2 stops
$1,119IndiGo
Find Deal
Sun, Nov 9 - Sat, Dec 6
Emirates Logo
10:30 am - 11:30 pmIAD-KTM
26h 15m1 stop
Emirates Logo
12:30 am - 9:00 amKTM-IAD
42h 15m1 stop
$1,163Emirates
Find Deal
Mon, Jan 12 - Tue, Mar 24
Emirates Logo
10:30 am - 8:20 amIAD-KTM
35h 05m1 stop
Emirates Logo
9:20 am - 8:10 amKTM-IAD
33h 35m1 stop
$1,164Emirates
Find Deal
Tue, Nov 11 - Thu, Dec 4
Qatar Airways Logo
6:00 am - 7:55 amBWI-KTM
39h 10m2 stops
Qatar Airways Logo
7:05 pm - 9:28 pmKTM-BWI
36h 08m2 stops
$1,390Qatar Airways
Find Deal
Mon, Jan 12 - Wed, Mar 25
Qatar Airways Logo
7:18 pm - 9:45 amBWI-KTM
28h 42m2 stops
Qatar Airways Logo
11:00 am - 10:12 pmKTM-BWI
45h 57m2 stops
$1,410Qatar Airways
Find Deal
Tue, Oct 28 - Tue, Nov 4
Air India Logo
6:05 am - 12:15 amDCA-KTM
32h 25m2 stops
Air India Logo
5:30 pm - 10:57 pmKTM-DCA
39h 12m2 stops
$1,425Air India
Find Deal
Sat, Apr 4 - Sun, Apr 19
Air India Logo
6:24 am - 12:15 amDCA-KTM
31h 06m2 stops
Air India Logo
2:00 pm - 2:50 pmKTM-DCA
35h 35m2 stops
$1,455Air India
Find Deal
Fri, Nov 7 - Sat, Nov 22

Emirates flights from Washington, D.C. to Kathmandu

Our best Emirates deals on Washington, D.C. to Kathmandu flight tickets
Emirates
Jan 12
IAD10:30 amWashington, D.C. Dulles Intl
26h 15m
1 stop
KTM11:30 pmKathmandu Tribhuvan
Mar 24
KTM12:30 amKathmandu Tribhuvan
42h 15m
1 stop
IAD9:00 amWashington, D.C. Dulles Intl
Emirates
Nov 11
IAD10:30 amWashington, D.C. Dulles Intl
35h 05m
1 stop
KTM8:20 amKathmandu Tribhuvan
Dec 4
KTM9:20 amKathmandu Tribhuvan
33h 35m
1 stop
IAD8:10 amWashington, D.C. Dulles Intl
Emirates
Mar 22
IAD11:15 amWashington, D.C. Dulles Intl
21h 40m
1 stop
KTM6:40 pmKathmandu Tribhuvan
May 21
KTM1:10 amKathmandu Tribhuvan
41h 15m
1 stop
IAD8:40 amWashington, D.C. Dulles Intl

Cathay Pacific flights from Washington, D.C. to Kathmandu

Our best Cathay Pacific deals on Washington, D.C. to Kathmandu flight tickets
Cathay Pacific
Feb 4
DCA6:50 amWashington, D.C. Reagan-National
51h 55m
2 stops
KTM9:30 pmKathmandu Tribhuvan
Feb 24
KTM10:55 pmKathmandu Tribhuvan
35h 10m
2 stops
DCA11:20 pmWashington, D.C. Reagan-National
Cathay Pacific
Oct 27
DCA10:45 pmWashington, D.C. Reagan-National
61h 00m
2 stops
KTM9:30 pmKathmandu Tribhuvan
Nov 25
KTM10:55 pmKathmandu Tribhuvan
35h 51m
2 stops
DCA12:01 amWashington, D.C. Reagan-National
Cathay Pacific
Jan 19
DCA6:00 amWashington, D.C. Reagan-National
52h 45m
2 stops
KTM9:30 pmKathmandu Tribhuvan
Feb 24
KTM10:55 pmKathmandu Tribhuvan
30h 47m
2 stops
DCA6:57 pmWashington, D.C. Reagan-National

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 October 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

BaltimoreKathmandu

BWI - KTM

BWIKTM

Baltimore/Washington

Sat 11/15

4:55 pm-12:15 pm

3 stops32h 35m

Kathmandu Tribhuvan

Fri 11/21

2:45 pm-11:19 pm

3 stops43h 19m

$1,077

Washington, D.C.Kathmandu

IAD - KTM

IADKTM

Washington, D.C. Dulles Intl

Tue 11/4

9:45 pm-6:35 pm

2 stops34h 05m

Kathmandu Tribhuvan

Sat 3/21

1:45 pm-4:35 pm

2 stops36h 35m

$1,110

Washington, D.C.Kathmandu

IAD - KTM

IADKTM

Washington, D.C. Dulles Intl

Tue 11/25

1:30 pm-4:10 pm

2 stops39h 55m

Kathmandu Tribhuvan

Wed 12/17

5:10 pm-7:20 pm

2 stops36h 55m

$1,116

Washington, D.C.Kathmandu

IAD - KTM

IADKTM

Washington, D.C. Dulles Intl

Sun 11/9

9:15 pm-4:10 pm

2 stops32h 10m

Kathmandu Tribhuvan

Sat 12/6

10:50 am-7:20 pm

2 stops43h 15m

$1,119

Washington, D.C.Kathmandu

IAD - KTM

IADKTM

Washington, D.C. Dulles Intl

Mon 1/12

10:30 am-11:30 pm

1 stop26h 15m

Kathmandu Tribhuvan

Tue 3/24

12:30 am-9:00 am

1 stop42h 15m

$1,163

Washington, D.C.Kathmandu

IAD - KTM

IADKTM

Washington, D.C. Dulles Intl

Tue 11/11

10:30 am-8:20 am

1 stop35h 05m

Kathmandu Tribhuvan

Thu 12/4

9:20 am-8:10 am

1 stop33h 35m

$1,164

BaltimoreKathmandu

BWI - KTM

BWIKTM

Baltimore/Washington

Mon 1/12

6:00 am-7:55 am

2 stops39h 10m

Kathmandu Tribhuvan

Wed 3/25

7:05 pm-9:28 pm

2 stops36h 08m

$1,390

BaltimoreKathmandu

BWI - KTM

BWIKTM

Baltimore/Washington

Tue 10/28

7:18 pm-9:45 am

2 stops28h 42m

Kathmandu Tribhuvan

Tue 11/4

11:00 am-10:12 pm

2 stops45h 57m

$1,410

Washington, D.C.Kathmandu

DCA - KTM

DCAKTM

Washington, D.C. Reagan-National

Sat 4/4

6:05 am-12:15 am

2 stops32h 25m

Kathmandu Tribhuvan

Sun 4/19

5:30 pm-10:57 pm

2 stops39h 12m

$1,425

Washington, D.C.Kathmandu

DCA - KTM

DCAKTM

Washington, D.C. Reagan-National

Fri 11/7

6:24 am-12:15 am

2 stops31h 06m

Kathmandu Tribhuvan

Sat 11/22

2:00 pm-2:50 pm

2 stops35h 35m

$1,455

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 January is another great option to travel to Kathmandu, with average flight prices from Washington, D.C. averaging around $1,351.

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.

What is the cheapest Washington, D.C. to Kathmandu Tribhuvan flight route?

Fly from Washington, D.C. Dulles Intl to Kathmandu Tribhuvan for the best Washington, D.C. - Kathmandu Tribhuvan flight prices

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 $1,446 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 $1,238 on momondo.

What cabin class options are available on Washington, D.C. to Kathmandu Tribhuvan flights?

There is only 1 cabin class available to choose from on Washington, D.C. to Kathmandu Tribhuvan flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

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

You could potentially save up to 9% 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 October 2025, prices for Washington, D.C. to Kathmandu flights are approximately 23% cheaper 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

Direct flights

None
There are no direct flights from Washington, D.C. to Kathmandu. There are no popular flight routes from Washington, D.C. to Kathmandu.
  • 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 21h 40m.

  • 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 $863Free CancellationRating
5.5
2,939 reviews
Search Air India flights
IndiGoPriceFrom $995Free CancellationRating
6.9
487 reviews
Search IndiGo flights
EmiratesPriceFrom $1,092Free CancellationRating
8.1
3,383 reviews
Search Emirates flights
Turkish AirlinesPriceFrom $1,199Free CancellationRating
7.3
4,022 reviews
Search Turkish Airlines flights
Qatar AirwaysPriceFrom $1,212Free CancellationRating
7.4
3,653 reviews
Search Qatar Airways flights
SWISSPriceFrom $1,324Free CancellationRating
7.5
1,772 reviews
Search SWISS flights
Etihad AirwaysPriceFrom $1,403Free CancellationRating
7.4
1,282 reviews
Search Etihad Airways 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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1 adult
Sat 11/22
Sat 11/29

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