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Cheap flights from Washington, D.C. to Kathmandu from $392

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 3/4. 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 - 6:35 am
IAD
-
KTM
29h 15m
3 stops
Multiple Airlines Logo
10:05 am - 10:05 am
KTM
-
IAD
33h 45m
2 stops
$1,055Multiple Airlines
Tue, Feb 24 - Wed, Mar 11
Turkish Airlines Logo
9:15 pm - 11:10 am
IAD
-
KTM
27h 10m
1 stop
Turkish Airlines Logo
7:40 am - 11:35 am
KTM
-
IAD
37h 40m
1 stop
$1,060Turkish Airlines
Sun, Feb 15 - Sun, May 31
Multiple Airlines Logo
3:35 pm - 12:15 pm
IAD
-
KTM
34h 55m
3 stops
Multiple Airlines Logo
10:50 am - 9:45 am
KTM
-
IAD
32h 40m
2 stops
$1,063Multiple Airlines
Sun, Mar 15 - Tue, Mar 31
Turkish Airlines Logo
1:30 pm - 11:10 am
IAD
-
KTM
34h 55m
1 stop
Turkish Airlines Logo
12:35 pm - 8:20 pm
KTM
-
IAD
41h 30m
1 stop
$1,065Turkish Airlines
Tue, Feb 17 - Sun, Mar 15
IndiGo Logo
1:30 pm - 1:30 pm
IAD
-
KTM
37h 15m
2 stops
IndiGo Logo
1:15 pm - 7:20 pm
KTM
-
IAD
40h 50m
2 stops
$1,067IndiGo
Mon, Feb 2 - Mon, Feb 9
Turkish Airlines Logo
1:30 pm - 11:10 am
IAD
-
KTM
34h 55m
1 stop
Turkish Airlines Logo
12:35 pm - 8:20 pm
KTM
-
IAD
41h 30m
1 stop
$1,070Turkish Airlines
Tue, Feb 17 - Mon, Mar 23
Air India Logo
6:00 am - 4:30 pm
DCA
-
KTM
24h 45m
2 stops
Air India Logo
9:10 pm - 10:59 pm
KTM
-
DCA
35h 34m
2 stops
$1,090Air India
Mon, Mar 9 - Thu, Apr 16
Air India Logo
6:00 am - 4:30 pm
DCA
-
KTM
24h 45m
2 stops
Air India Logo
2:00 pm - 10:59 pm
KTM
-
DCA
42h 44m
2 stops
$1,113Air India
Wed, Mar 18 - Tue, Apr 7
Qatar Airways Logo
7:22 pm - 4:25 pm
BWI
-
KTM
34h 18m
2 stops
Qatar Airways Logo
9:10 am - 10:00 pm
KTM
-
BWI
46h 35m
2 stops
$1,319Qatar Airways
Tue, Feb 24 - Wed, Mar 11
Qatar Airways Logo
7:22 pm - 7:55 am
BWI
-
KTM
26h 48m
2 stops
Qatar Airways Logo
6:15 pm - 11:47 pm
KTM
-
BWI
39h 17m
2 stops
$1,332Qatar Airways
Tue, Mar 24 - Mon, Apr 13

Turkish Airlines flights from Washington, D.C. to Kathmandu

Our best Turkish Airlines deals on Washington, D.C. to Kathmandu flight tickets
Turkish Airlines
Feb 15
IAD9:15 pmWashington, D.C. Dulles Intl
27h 10m
1 stop
KTM11:10 amKathmandu Tribhuvan
May 31
KTM7:40 amKathmandu Tribhuvan
37h 40m
1 stop
IAD11:35 amWashington, D.C. Dulles Intl
$1,060
Turkish Airlines
Feb 17
IAD1:30 pmWashington, D.C. Dulles Intl
34h 55m
1 stop
KTM11:10 amKathmandu Tribhuvan
Mar 15
KTM12:35 pmKathmandu Tribhuvan
41h 30m
1 stop
IAD8:20 pmWashington, D.C. Dulles Intl
$1,065
Turkish Airlines
Feb 17
IAD1:30 pmWashington, D.C. Dulles Intl
34h 55m
1 stop
KTM11:10 amKathmandu Tribhuvan
Mar 23
KTM12:35 pmKathmandu Tribhuvan
41h 30m
1 stop
IAD8:20 pmWashington, D.C. Dulles Intl
$1,070

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

Our best Air India deals on Washington, D.C. to Kathmandu flight tickets
Air India
Mar 9
DCA6:00 amWashington, D.C. Reagan-National
24h 45m
2 stops
KTM4:30 pmKathmandu Tribhuvan
Apr 16
KTM9:10 pmKathmandu Tribhuvan
35h 34m
2 stops
DCA10:59 pmWashington, D.C. Reagan-National
$1,090
Air India
Mar 18
DCA6:00 amWashington, D.C. Reagan-National
24h 45m
2 stops
KTM4:30 pmKathmandu Tribhuvan
Apr 7
KTM2:00 pmKathmandu Tribhuvan
42h 44m
2 stops
DCA10:59 pmWashington, D.C. Reagan-National
$1,113
Air India
Feb 9
DCA6:00 amWashington, D.C. Reagan-National
27h 20m
2 stops
KTM8:05 pmKathmandu Tribhuvan
Mar 11
KTM7:35 amKathmandu Tribhuvan
49h 09m
2 stops
DCA10:59 pmWashington, D.C. Reagan-National
$1,132

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 29, 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

Tue 2/24

2:35 pm-6:35 am

3 stops29h 15m

Kathmandu Tribhuvan

Wed 3/11

10:05 am-10:05 am

2 stops33h 45m

$1,055

Washington, D.C.Kathmandu

IAD - KTM

IADKTM

Washington, D.C. Dulles Intl

Sun 2/15

9:15 pm-11:10 am

1 stop27h 10m

Kathmandu Tribhuvan

Sun 5/31

7:40 am-11:35 am

1 stop37h 40m

$1,060

Washington, D.C.Kathmandu

IAD - KTM

IADKTM

Washington, D.C. Dulles Intl

Sun 3/15

3:35 pm-12:15 pm

3 stops34h 55m

Kathmandu Tribhuvan

Tue 3/31

10:50 am-9:45 am

2 stops32h 40m

$1,063

Washington, D.C.Kathmandu

IAD - KTM

IADKTM

Washington, D.C. Dulles Intl

Tue 2/17

1:30 pm-11:10 am

1 stop34h 55m

Kathmandu Tribhuvan

Sun 3/15

12:35 pm-8:20 pm

1 stop41h 30m

$1,065

Washington, D.C.Kathmandu

IAD - KTM

IADKTM

Washington, D.C. Dulles Intl

Mon 2/2

1:30 pm-1:30 pm

2 stops37h 15m

Kathmandu Tribhuvan

Mon 2/9

1:15 pm-7:20 pm

2 stops40h 50m

$1,067

Washington, D.C.Kathmandu

IAD - KTM

IADKTM

Washington, D.C. Dulles Intl

Tue 2/17

1:30 pm-11:10 am

1 stop34h 55m

Kathmandu Tribhuvan

Mon 3/23

12:35 pm-8:20 pm

1 stop41h 30m

$1,070

Washington, D.C.Kathmandu

DCA - KTM

DCAKTM

Washington, D.C. Reagan-National

Mon 3/9

6:00 am-4:30 pm

2 stops24h 45m

Kathmandu Tribhuvan

Thu 4/16

9:10 pm-10:59 pm

2 stops35h 34m

$1,090

Washington, D.C.Kathmandu

DCA - KTM

DCAKTM

Washington, D.C. Reagan-National

Wed 3/18

6:00 am-4:30 pm

2 stops24h 45m

Kathmandu Tribhuvan

Tue 4/7

2:00 pm-10:59 pm

2 stops42h 44m

$1,113

BaltimoreKathmandu

BWI - KTM

BWIKTM

Baltimore/Washington

Tue 2/24

7:22 pm-4:25 pm

2 stops34h 18m

Kathmandu Tribhuvan

Wed 3/11

9:10 am-10:00 pm

2 stops46h 35m

$1,319

BaltimoreKathmandu

BWI - KTM

BWIKTM

Baltimore/Washington

Tue 3/24

7:22 pm-7:55 am

2 stops26h 48m

Kathmandu Tribhuvan

Mon 4/13

6:15 pm-11:47 pm

2 stops39h 17m

$1,332

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.

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 $1,432 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 $1,241 on momondo.

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

You could potentially save up to 35% 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 25% 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

Fastest flight time

22h 05m

Direct flights

None
The fastest flight from Washington, D.C. to Kathmandu takes 22h 05m
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 05m.

  • 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 $847Free CancellationRating
5.5
2,978 reviews
Search Air India flights
IndiGoPriceFrom $961Free CancellationRating
6.8
528 reviews
Search IndiGo flights
EmiratesPriceFrom $1,092Free CancellationRating
8.1
3,490 reviews
Search Emirates flights
Qatar AirwaysPriceFrom $1,107Free CancellationRating
7.4
3,727 reviews
Search Qatar Airways flights
Turkish AirlinesPriceFrom $1,155Free CancellationRating
7.3
4,208 reviews
Search Turkish Airlines flights
Etihad AirwaysPriceFrom $1,293Free CancellationRating
7.3
1,375 reviews
Search Etihad Airways flights
SWISSPriceFrom $1,611Free CancellationRating
7.6
1,864 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.

An easier way to manage your Kathmandu trip

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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 $1,107
Air India
Emirates
IndiGo
Turkish Airlines
SWISS
Etihad Airways