Latest deals
When to book
FAQs
Price Alerts

Cheap flights from Kathmandu to Washington, D.C. from $679

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Kathmandu to Washington, D.C. departing on 9/13. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Kathmandu to Washington, D.C.

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
6:45 am - 10:59 pm
KTM
-
DCA
49h 59m
2 stops
Multiple Airlines Logo
9:59 am - 9:45 pm
DCA
-
KTM
50h 01m
2 stops
$1,600Multiple Airlines
Wed, Jul 1 - Tue, Aug 11
Qatar Airways Logo
10:00 am - 8:00 am
KTM
-
DCA
31h 45m
2 stops
Qatar Airways Logo
5:46 pm - 8:50 am
DCA
-
KTM
29h 19m
2 stops
$1,612Qatar Airways
Mon, Jun 1 - Tue, Jun 30
Multiple Airlines Logo
10:05 am - 10:59 pm
KTM
-
DCA
46h 39m
2 stops
Multiple Airlines Logo
6:21 am - 4:30 pm
DCA
-
KTM
24h 24m
2 stops
$1,634Multiple Airlines
Tue, Jul 21 - Thu, Aug 6
Qatar Airways Logo
7:10 pm - 11:28 pm
KTM
-
DCA
38h 03m
2 stops
Qatar Airways Logo
5:25 pm - 4:25 pm
DCA
-
KTM
36h 15m
2 stops
$1,661Qatar Airways
Tue, May 19 - Sat, Nov 7
Qatar Airways Logo
7:10 pm - 11:28 pm
KTM
-
DCA
38h 03m
2 stops
Qatar Airways Logo
7:00 pm - 4:45 pm
DCA
-
KTM
36h 00m
2 stops
$1,684Qatar Airways
Tue, May 19 - Sat, Oct 17
Qatar Airways Logo
10:00 am - 7:59 am
KTM
-
DCA
31h 44m
2 stops
Qatar Airways Logo
5:50 pm - 8:50 am
DCA
-
KTM
29h 15m
2 stops
$1,687Qatar Airways
Sat, Jun 13 - Sat, Jun 20
Qatar Airways Logo
7:10 pm - 7:59 am
KTM
-
DCA
46h 34m
2 stops
Qatar Airways Logo
6:00 am - 4:45 pm
DCA
-
KTM
25h 00m
2 stops
$1,701Qatar Airways
Wed, May 27 - Thu, Aug 27
Qatar Airways Logo
7:10 pm - 7:59 am
KTM
-
DCA
46h 34m
2 stops
Qatar Airways Logo
6:00 am - 4:45 pm
DCA
-
KTM
25h 00m
2 stops
$1,703Qatar Airways
Wed, May 27 - Thu, Aug 27
Multiple Airlines Logo
6:00 pm - 3:59 pm
KTM
-
DCA
31h 44m
2 stops
Multiple Airlines Logo
6:57 pm - 8:50 am
DCA
-
KTM
28h 08m
2 stops
$1,770Multiple Airlines
Wed, Jul 1 - Tue, Aug 11
Air India Logo
9:10 pm - 10:59 pm
KTM
-
DCA
59h 34m
3 stops
Air India Logo
6:25 am - 8:05 pm
DCA
-
KTM
26h 55m
2 stops
$1,819Air India
Tue, May 19 - Sat, Nov 7

Air India flights from Kathmandu to Washington, D.C. Reagan-National Airport

Our best Air India deals on Kathmandu to Washington, D.C. Reagan-National Airport flight tickets
Air India
May 27
KTM6:30 amKathmandu Tribhuvan
50h 14m
3 stops
DCA10:59 pmWashington, D.C. Reagan-National
Aug 27
DCA6:20 amWashington, D.C. Reagan-National
28h 05m
2 stops
KTM8:10 pmKathmandu Tribhuvan
$1,610
Air India
May 12
KTM9:10 pmKathmandu Tribhuvan
59h 34m
3 stops
DCA10:59 pmWashington, D.C. Reagan-National
Sep 2
DCA6:20 amWashington, D.C. Reagan-National
28h 05m
2 stops
KTM8:10 pmKathmandu Tribhuvan
$1,796
Air India
May 19
KTM9:10 pmKathmandu Tribhuvan
59h 34m
3 stops
DCA10:59 pmWashington, D.C. Reagan-National
Nov 7
DCA6:25 amWashington, D.C. Reagan-National
26h 55m
2 stops
KTM8:05 pmKathmandu Tribhuvan
$1,819

Qatar Airways flights from Kathmandu to Washington, D.C. Reagan-National Airport

Our best Qatar Airways deals on Kathmandu to Washington, D.C. Reagan-National Airport flight tickets
Qatar Airways
May 12
KTM7:10 pmKathmandu Tribhuvan
38h 03m
2 stops
DCA11:28 pmWashington, D.C. Reagan-National
Sep 2
DCA6:25 pmWashington, D.C. Reagan-National
28h 40m
2 stops
KTM8:50 amKathmandu Tribhuvan
$1,598
Qatar Airways
May 12
KTM7:10 pmKathmandu Tribhuvan
38h 03m
2 stops
DCA11:28 pmWashington, D.C. Reagan-National
Sep 2
DCA5:00 pmWashington, D.C. Reagan-National
30h 05m
2 stops
KTM8:50 amKathmandu Tribhuvan
$1,600
Qatar Airways
May 12
KTM7:10 pmKathmandu Tribhuvan
38h 03m
2 stops
DCA11:28 pmWashington, D.C. Reagan-National
Sep 2
DCA6:25 pmWashington, D.C. Reagan-National
28h 40m
2 stops
KTM8:50 amKathmandu Tribhuvan
$1,602

momondo Fare Finder

 
Customize your flight search to find flights from Kathmandu to Washington, D.C. Reagan-National Airport 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 May 4, 2026.
Use the filters below to find and compare flights from Kathmandu to Washington, D.C. Reagan-National Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

KathmanduWashington, D.C.

KTM - DCA

KTMDCA

Kathmandu Tribhuvan

Wed 7/1

6:45 am-10:59 pm

2 stops49h 59m

Washington, D.C. Reagan-National

Tue 8/11

9:59 am-9:45 pm

2 stops50h 01m

$1,600

KathmanduWashington, D.C.

KTM - DCA

KTMDCA

Kathmandu Tribhuvan

Mon 6/1

10:00 am-8:00 am

2 stops31h 45m

Washington, D.C. Reagan-National

Tue 6/30

5:46 pm-8:50 am

2 stops29h 19m

$1,612

KathmanduWashington, D.C.

KTM - DCA

KTMDCA

Kathmandu Tribhuvan

Tue 7/21

10:05 am-10:59 pm

2 stops46h 39m

Washington, D.C. Reagan-National

Thu 8/6

6:21 am-4:30 pm

2 stops24h 24m

$1,634

KathmanduWashington, D.C.

KTM - DCA

KTMDCA

Kathmandu Tribhuvan

Tue 5/19

7:10 pm-11:28 pm

2 stops38h 03m

Washington, D.C. Reagan-National

Sat 11/7

5:25 pm-4:25 pm

2 stops36h 15m

$1,661

KathmanduWashington, D.C.

KTM - DCA

KTMDCA

Kathmandu Tribhuvan

Tue 5/19

7:10 pm-11:28 pm

2 stops38h 03m

Washington, D.C. Reagan-National

Sat 10/17

7:00 pm-4:45 pm

2 stops36h 00m

$1,684

KathmanduWashington, D.C.

KTM - DCA

KTMDCA

Kathmandu Tribhuvan

Sat 6/13

10:00 am-7:59 am

2 stops31h 44m

Washington, D.C. Reagan-National

Sat 6/20

5:50 pm-8:50 am

2 stops29h 15m

$1,687

KathmanduWashington, D.C.

KTM - DCA

KTMDCA

Kathmandu Tribhuvan

Wed 5/27

7:10 pm-7:59 am

2 stops46h 34m

Washington, D.C. Reagan-National

Thu 8/27

6:00 am-4:45 pm

2 stops25h 00m

$1,701

KathmanduWashington, D.C.

KTM - DCA

KTMDCA

Kathmandu Tribhuvan

Wed 5/27

7:10 pm-7:59 am

2 stops46h 34m

Washington, D.C. Reagan-National

Thu 8/27

6:00 am-4:45 pm

2 stops25h 00m

$1,703
Quickest round-trip

KathmanduWashington, D.C.

KTM - DCA

KTMDCA

Kathmandu Tribhuvan

Wed 7/1

6:00 pm-3:59 pm

2 stops31h 44m

Washington, D.C. Reagan-National

Tue 8/11

6:57 pm-8:50 am

2 stops28h 08m

$1,770

KathmanduWashington, D.C.

KTM - DCA

KTMDCA

Kathmandu Tribhuvan

Tue 5/19

9:10 pm-10:59 pm

3 stops59h 34m

Washington, D.C. Reagan-National

Sat 11/7

6:25 am-8:05 pm

2 stops26h 55m

$1,819

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

When to book flights from Kathmandu to Washington, D.C. Reagan-National Airport

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

Cheap Kathmandu to Washington, D.C. Reagan-National Airport (KTM to DCA) flight deals and tips

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

Fastest flight time

28h 44m

Direct flights

None
The fastest flight from Kathmandu to Washington, D.C. Reagan-National Airport takes 28h 44m
There are no direct flights from Kathmandu to Washington, D.C. Reagan-National Airport. There are no popular flight routes from Kathmandu to Washington, D.C. Reagan-National Airport.
Search flight deals

Frequently asked questions about flying from Kathmandu to Washington, D.C. Reagan-National Airport

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

    A flight from Kathmandu Tribhuvan to Washington, D.C. Reagan-National will travel around 7693.1 mi. In terms of flight time, this usually takes a little over 28h 44m.

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

    Prices for flights from Kathmandu Tribhuvan Airport to Washington, D.C. Reagan-National Airport are updated daily.

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

  • What documentation or ID do you need to fly to Washington, D.C. Reagan-National Airport?

    The necessary travel and health documents for your Washington, D.C. Reagan-National Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Frequently asked questions about flying from Kathmandu to Washington, D.C. Reagan-National Airport

  • How do I get Price Alerts for flights from Kathmandu to Washington, D.C. Reagan-National Airport?

    Confirm your travel details to search for the latest offers for flights from Kathmandu to Washington, D.C. Reagan-National Airport. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

  • How can I save money on flights from Kathmandu to Washington, D.C. Reagan-National Airport with momondo?

    By using tools like our “Price Calendar”, you can see the best day to fly round-trip for your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

  • How does momondo find its flight prices?

    momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
National Harbor
Gettysburg
Arlington
Waldorf
Woodbridge
Laurel
Colonial Beach
Gaithersburg
Towson
Fredericksburg
Silver Spring
Rockville
Manassas
Linthicum Heights
Tysons
Bethesda
Springfield
Fairfax
College Park

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Kathmandu to Washington, D.C.. Millions of users trust and use momondo every year so you are in good hands.

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

Yes. momondo enables you to select and highlight flights to Washington, D.C. from Kathmandu with this policy.

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

Once you have performed a search for Kathmandu to Washington, D.C. flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are not ready to book a flight from Kathmandu to Washington, D.C. now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Washington, D.C. and let you know when they change.

An easier way to manage your Washington, D.C. Reagan-National Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Wed 6/3
Wed 6/10
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Washington, D.C.