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Cheap flights from Washington, D.C. Reagan-National Airport to Kathmandu from $620

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. Reagan-National Airport to Kathmandu departing on 1/20. 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. Reagan-National Airport to Kathmandu

Cheap round-trip flights

Enter your travel dates to find the best prices.
Cathay Pacific Logo
6:00 am - 9:30 pmDCA-KTM
52h 45m2 stops
Cathay Pacific Logo
10:55 pm - 11:00 pmKTM-DCA
34h 50m2 stops
$1,225Cathay Pacific
Find Deal
Thu, Jan 29 - Sun, Feb 15
Multiple Airlines Logo
9:59 am - 9:50 pmDCA-KTM
49h 06m2 stops
Multiple Airlines Logo
11:05 pm - 9:59 pmKTM-DCA
33h 39m2 stops
$1,232Multiple Airlines
Find Deal
Tue, Feb 10 - Wed, Mar 4
Multiple Airlines Logo
5:08 pm - 9:30 pmDCA-KTM
42h 37m2 stops
Multiple Airlines Logo
10:55 pm - 8:41 pmKTM-DCA
31h 31m2 stops
$1,241Multiple Airlines
Find Deal
Mon, Mar 9 - Wed, Mar 25
Cathay Pacific Logo
7:00 am - 9:30 pmDCA-KTM
51h 45m2 stops
Cathay Pacific Logo
10:55 pm - 11:50 pmKTM-DCA
35h 40m2 stops
$1,275Cathay Pacific
Find Deal
Sun, Jan 11 - Sun, Feb 15
Multiple Airlines Logo
5:00 pm - 9:40 pmDCA-KTM
42h 55m2 stops
Multiple Airlines Logo
11:05 pm - 9:56 pmKTM-DCA
32h 36m2 stops
$1,280Multiple Airlines
Find Deal
Mon, Mar 9 - Wed, Mar 25
Cathay Pacific Logo
6:59 am - 9:30 pmDCA-KTM
51h 46m2 stops
Cathay Pacific Logo
11:00 pm - 10:15 pmKTM-DCA
33h 00m2 stops
$1,282Cathay Pacific
Find Deal
Tue, Jan 20 - Thu, May 7
Cathay Pacific Logo
6:59 am - 9:30 pmDCA-KTM
51h 46m2 stops
Cathay Pacific Logo
11:00 pm - 10:00 pmKTM-DCA
32h 45m2 stops
$1,310Cathay Pacific
Find Deal
Tue, Jan 20 - Wed, May 20
Multiple Airlines Logo
5:30 pm - 9:30 pmDCA-KTM
41h 15m2 stops
Multiple Airlines Logo
10:55 pm - 8:00 pmKTM-DCA
31h 50m2 stops
$1,316Multiple Airlines
Find Deal
Mon, Feb 2 - Tue, Feb 10
Multiple Airlines Logo
4:59 pm - 9:30 pmDCA-KTM
41h 46m2 stops
Multiple Airlines Logo
10:55 pm - 8:00 pmKTM-DCA
30h 50m2 stops
$1,326Multiple Airlines
Find Deal
Mon, Feb 16 - Sun, Mar 15
Cathay Pacific Logo
9:35 am - 9:30 pmDCA-KTM
49h 10m2 stops
Cathay Pacific Logo
11:00 pm - 8:16 pmKTM-DCA
31h 01m2 stops
$1,327Cathay Pacific
Find Deal
Thu, Jan 22 - Wed, Jun 17

Cathay Pacific flights from Washington, D.C. Reagan-National Airport to Kathmandu

Our best Cathay Pacific deals on Washington, D.C. Reagan-National Airport to Kathmandu flight tickets
Cathay Pacific
Jan 29
DCA6:00 amWashington, D.C. Reagan-National
52h 45m
2 stops
KTM9:30 pmKathmandu Tribhuvan
Feb 15
KTM10:55 pmKathmandu Tribhuvan
34h 50m
2 stops
DCA11:00 pmWashington, D.C. Reagan-National
$1,225
Find similar
Cathay Pacific
Jan 11
DCA7:00 amWashington, D.C. Reagan-National
51h 45m
2 stops
KTM9:30 pmKathmandu Tribhuvan
Feb 15
KTM10:55 pmKathmandu Tribhuvan
35h 40m
2 stops
DCA11:50 pmWashington, D.C. Reagan-National
$1,275
Find similar
Cathay Pacific
Nov 17
DCA9:45 amWashington, D.C. Reagan-National
49h 00m
2 stops
KTM9:30 pmKathmandu Tribhuvan
Dec 22
KTM10:55 pmKathmandu Tribhuvan
30h 47m
2 stops
DCA6:57 pmWashington, D.C. Reagan-National
$1,277
Find similar

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

Our best Air India deals on Washington, D.C. Reagan-National Airport to Kathmandu flight tickets
Air India
Mar 11
DCA6:00 amWashington, D.C. Reagan-National
32h 30m
2 stops
KTM12:15 amKathmandu Tribhuvan
Mar 25
KTM10:05 amKathmandu Tribhuvan
46h 37m
2 stops
DCA10:57 pmWashington, D.C. Reagan-National
$1,381
Find similar
Air India
Mar 29
DCA6:05 amWashington, D.C. Reagan-National
32h 25m
2 stops
KTM12:15 amKathmandu Tribhuvan
Apr 8
KTM6:30 amKathmandu Tribhuvan
50h 12m
2 stops
DCA10:57 pmWashington, D.C. Reagan-National
$1,495
Find similar
Air India
Apr 19
DCA6:05 amWashington, D.C. Reagan-National
28h 15m
2 stops
KTM8:05 pmKathmandu Tribhuvan
Apr 25
KTM7:35 amKathmandu Tribhuvan
49h 07m
2 stops
DCA10:57 pmWashington, D.C. Reagan-National
$1,516
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Reagan-National Airport 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 November 13, 2025.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Kathmandu that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Kathmandu

DCA - KTM

DCAKTM

Washington, D.C. Reagan-National

Thu 1/29

6:00 am-9:30 pm

2 stops52h 45m

Kathmandu Tribhuvan

Sun 2/15

10:55 pm-11:00 pm

2 stops34h 50m

$1,225

Washington, D.C.Kathmandu

DCA - KTM

DCAKTM

Washington, D.C. Reagan-National

Tue 2/10

9:59 am-9:50 pm

2 stops49h 06m

Kathmandu Tribhuvan

Wed 3/4

11:05 pm-9:59 pm

2 stops33h 39m

$1,232

Washington, D.C.Kathmandu

DCA - KTM

DCAKTM

Washington, D.C. Reagan-National

Mon 3/9

5:08 pm-9:30 pm

2 stops42h 37m

Kathmandu Tribhuvan

Wed 3/25

10:55 pm-8:41 pm

2 stops31h 31m

$1,241

Washington, D.C.Kathmandu

DCA - KTM

DCAKTM

Washington, D.C. Reagan-National

Sun 1/11

7:00 am-9:30 pm

2 stops51h 45m

Kathmandu Tribhuvan

Sun 2/15

10:55 pm-11:50 pm

2 stops35h 40m

$1,275

Washington, D.C.Kathmandu

DCA - KTM

DCAKTM

Washington, D.C. Reagan-National

Mon 3/9

5:00 pm-9:40 pm

2 stops42h 55m

Kathmandu Tribhuvan

Wed 3/25

11:05 pm-9:56 pm

2 stops32h 36m

$1,280

Washington, D.C.Kathmandu

DCA - KTM

DCAKTM

Washington, D.C. Reagan-National

Tue 1/20

6:59 am-9:30 pm

2 stops51h 46m

Kathmandu Tribhuvan

Thu 5/7

11:00 pm-10:15 pm

2 stops33h 00m

$1,282

Washington, D.C.Kathmandu

DCA - KTM

DCAKTM

Washington, D.C. Reagan-National

Tue 1/20

6:59 am-9:30 pm

2 stops51h 46m

Kathmandu Tribhuvan

Wed 5/20

11:00 pm-10:00 pm

2 stops32h 45m

$1,310

Washington, D.C.Kathmandu

DCA - KTM

DCAKTM

Washington, D.C. Reagan-National

Mon 2/2

5:30 pm-9:30 pm

2 stops41h 15m

Kathmandu Tribhuvan

Tue 2/10

10:55 pm-8:00 pm

2 stops31h 50m

$1,316

Washington, D.C.Kathmandu

DCA - KTM

DCAKTM

Washington, D.C. Reagan-National

Mon 2/16

4:59 pm-9:30 pm

2 stops41h 46m

Kathmandu Tribhuvan

Sun 3/15

10:55 pm-8:00 pm

2 stops30h 50m

$1,326

Washington, D.C.Kathmandu

DCA - KTM

DCAKTM

Washington, D.C. Reagan-National

Thu 1/22

9:35 am-9:30 pm

2 stops49h 10m

Kathmandu Tribhuvan

Wed 6/17

11:00 pm-8:16 pm

2 stops31h 01m

$1,327

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. Reagan-National Airport 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 September is another great option to travel to Kathmandu, with average flight prices from Washington, D.C. Reagan-National Airport averaging around $1,616.

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. Reagan-National Airport. 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. Reagan-National Airport 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. Reagan-National Airport 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.

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

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. Reagan-National Airport 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. Reagan-National Airport to Kathmandu (DCA to KTM) flight deals and tips

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

Direct flights

None
There are no direct flights from Washington, D.C. Reagan-National Airport to Kathmandu. There are no popular flight routes from Washington, D.C. Reagan-National Airport to Kathmandu.
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  • How far is Washington, D.C. Reagan-National to Kathmandu Tribhuvan by plane?

    There are 7693.1 mi between Washington, D.C. Reagan-National and Kathmandu Tribhuvan. Flights usually cover this in 23h 45m, depending on flying conditions and air traffic around both airports.

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

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

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. Reagan-National Airport to Kathmandu Tribhuvan Airport.

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

    The travel and health documents you'll need for your trip to Kathmandu Tribhuvan Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Kathmandu Tribhuvan Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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

Best airlines flying from Washington, D.C. Reagan-National Airport to Kathmandu

Compare and see reviews for airlines that fly from Washington, D.C. Reagan-National Airport to Kathmandu with momondo
Airline
Rating
Free Cancellation
Price
Qatar AirwaysPriceFrom $1,372Free CancellationRating
7.4
3,662 reviews
Search Qatar Airways flights

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Why use momondo?

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

It is quick and easy to find Washington, D.C. to Kathmandu flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Kathmandu that suits you.

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

Yes. momondo allows you to filter the results for Washington, D.C. to Kathmandu flights to just show those with flexible booking policies.

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.

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