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Cheap flights from Washington, D.C. Reagan-National Airport to Kathmandu from $664

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 2/14. 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. Reagan-National Airport to Kathmandu

Cheap round-trip flights

Multiple Airlines Logo
9:30 am - 9:50 pmDCA-KTM
49h 35m2 stops
Multiple Airlines Logo
11:00 pm - 9:55 pmKTM-DCA
33h 40m2 stops
$1,294Multiple Airlines
Find Deal
Tue, Feb 10 - Wed, Feb 25
Air India Logo
5:42 pm - 8:05 pmDCA-KTM
40h 38m2 stops
Air India Logo
7:35 am - 10:56 pmKTM-DCA
49h 06m2 stops
$1,348Air India
Find Deal
Tue, Sep 30 - Sun, Oct 12
Air India Logo
6:25 am - 8:05 pmDCA-KTM
27h 55m2 stops
Air India Logo
9:00 pm - 2:50 pmKTM-DCA
28h 35m2 stops
$1,351Air India
Find Deal
Wed, Oct 22 - Sun, Nov 16
Air India Logo
4:55 pm - 11:45 pmDCA-KTM
44h 05m2 stops
Air India Logo
5:30 pm - 2:50 pmKTM-DCA
32h 05m2 stops
$1,415Air India
Find Deal
Fri, Nov 7 - Wed, Nov 12
Air India Logo
5:20 pm - 8:05 pmDCA-KTM
41h 00m2 stops
Air India Logo
10:05 am - 7:20 pmKTM-DCA
43h 00m2 stops
$1,424Air India
Find Deal
Fri, Oct 3 - Wed, Oct 15
Singapore Airlines Logo
9:30 am - 9:50 pmDCA-KTM
49h 35m2 stops
Singapore Airlines Logo
11:00 pm - 8:55 pmKTM-DCA
32h 40m3 stops
$1,571Singapore Airlines
Find Deal
Tue, Feb 10 - Wed, Feb 25
Cathay Pacific Logo
5:59 am - 9:30 pmDCA-KTM
52h 46m2 stops
Cathay Pacific Logo
10:55 pm - 8:29 pmKTM-DCA
32h 19m2 stops
$1,586Cathay Pacific
Find Deal
Sat, Nov 29 - Fri, Dec 19
Cathay Pacific Logo
5:42 pm - 9:30 pmDCA-KTM
65h 03m2 stops
Cathay Pacific Logo
10:55 pm - 6:57 pmKTM-DCA
30h 47m2 stops
$1,593Cathay Pacific
Find Deal
Mon, Nov 3 - Thu, Dec 18
Qatar Airways Logo
3:10 pm - 8:50 amDCA-KTM
31h 55m2 stops
Qatar Airways Logo
9:35 am - 9:03 pmKTM-DCA
46h 13m2 stops
$1,689Qatar Airways
Find Deal
Tue, Oct 21 - Fri, Nov 21
Qatar Airways Logo
2:55 pm - 10:15 amDCA-KTM
33h 35m2 stops
Qatar Airways Logo
9:35 am - 9:33 pmKTM-DCA
46h 43m2 stops
$1,723Qatar Airways
Find Deal
Sun, Oct 19 - Fri, Nov 14

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

Our best Qatar Airways deals on Washington, D.C. Reagan-National Airport to Kathmandu flight tickets
Qatar Airways
Oct 21
DCA3:10 pmWashington, D.C. Reagan-National
31h 55m
2 stops
KTM8:50 amKathmandu Tribhuvan
Nov 21
KTM9:35 amKathmandu Tribhuvan
46h 13m
2 stops
DCA9:03 pmWashington, D.C. Reagan-National
$1,689
Find similar
Qatar Airways
Oct 19
DCA2:55 pmWashington, D.C. Reagan-National
33h 35m
2 stops
KTM10:15 amKathmandu Tribhuvan
Nov 14
KTM9:35 amKathmandu Tribhuvan
46h 43m
2 stops
DCA9:33 pmWashington, D.C. Reagan-National
$1,723
Find similar
Qatar Airways
Oct 6
DCA6:55 pmWashington, D.C. Reagan-National
29h 35m
2 stops
KTM10:15 amKathmandu Tribhuvan
Oct 13
KTM7:05 pmKathmandu Tribhuvan
34h 02m
2 stops
DCA7:22 pmWashington, D.C. Reagan-National
$1,725
Find similar

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
Nov 29
DCA5:59 amWashington, D.C. Reagan-National
52h 46m
2 stops
KTM9:30 pmKathmandu Tribhuvan
Dec 19
KTM10:55 pmKathmandu Tribhuvan
32h 19m
2 stops
DCA8:29 pmWashington, D.C. Reagan-National
$1,586
Find similar
Cathay Pacific
Nov 3
DCA5:42 pmWashington, D.C. Reagan-National
65h 03m
2 stops
KTM9:30 pmKathmandu Tribhuvan
Dec 18
KTM10:55 pmKathmandu Tribhuvan
30h 47m
2 stops
DCA6:57 pmWashington, D.C. Reagan-National
$1,593
Find similar
Cathay Pacific
Oct 19
DCA9:59 amWashington, D.C. Reagan-National
50h 01m
2 stops
KTM9:45 pmKathmandu Tribhuvan
Dec 1
KTM10:55 pmKathmandu Tribhuvan
51h 45m
2 stops
DCA3:55 pmWashington, D.C. Reagan-National
$1,599
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 September 19, 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

Tue 2/10

9:30 am-9:50 pm

2 stops49h 35m

Kathmandu Tribhuvan

Wed 2/25

11:00 pm-9:55 pm

2 stops33h 40m

$1,294

Washington, D.C.Kathmandu

DCA - KTM

DCAKTM

Washington, D.C. Reagan-National

Tue 9/30

5:42 pm-8:05 pm

2 stops40h 38m

Kathmandu Tribhuvan

Sun 10/12

7:35 am-10:56 pm

2 stops49h 06m

$1,348

Washington, D.C.Kathmandu

DCA - KTM

DCAKTM

Washington, D.C. Reagan-National

Wed 10/22

6:25 am-8:05 pm

2 stops27h 55m

Kathmandu Tribhuvan

Sun 11/16

9:00 pm-2:50 pm

2 stops28h 35m

$1,351

Washington, D.C.Kathmandu

DCA - KTM

DCAKTM

Washington, D.C. Reagan-National

Fri 11/7

4:55 pm-11:45 pm

2 stops44h 05m

Kathmandu Tribhuvan

Wed 11/12

5:30 pm-2:50 pm

2 stops32h 05m

$1,415

Washington, D.C.Kathmandu

DCA - KTM

DCAKTM

Washington, D.C. Reagan-National

Fri 10/3

5:20 pm-8:05 pm

2 stops41h 00m

Kathmandu Tribhuvan

Wed 10/15

10:05 am-7:20 pm

2 stops43h 00m

$1,424

Washington, D.C.Kathmandu

DCA - KTM

DCAKTM

Washington, D.C. Reagan-National

Tue 2/10

9:30 am-9:50 pm

2 stops49h 35m

Kathmandu Tribhuvan

Wed 2/25

11:00 pm-8:55 pm

3 stops32h 40m

$1,571

Washington, D.C.Kathmandu

DCA - KTM

DCAKTM

Washington, D.C. Reagan-National

Sat 11/29

5:59 am-9:30 pm

2 stops52h 46m

Kathmandu Tribhuvan

Fri 12/19

10:55 pm-8:29 pm

2 stops32h 19m

$1,586

Washington, D.C.Kathmandu

DCA - KTM

DCAKTM

Washington, D.C. Reagan-National

Mon 11/3

5:42 pm-9:30 pm

2 stops65h 03m

Kathmandu Tribhuvan

Thu 12/18

10:55 pm-6:57 pm

2 stops30h 47m

$1,593

Washington, D.C.Kathmandu

DCA - KTM

DCAKTM

Washington, D.C. Reagan-National

Tue 10/21

3:10 pm-8:50 am

2 stops31h 55m

Kathmandu Tribhuvan

Fri 11/21

9:35 am-9:03 pm

2 stops46h 13m

$1,689

Washington, D.C.Kathmandu

DCA - KTM

DCAKTM

Washington, D.C. Reagan-National

Sun 10/19

2:55 pm-10:15 am

2 stops33h 35m

Kathmandu Tribhuvan

Fri 11/14

9:35 am-9:33 pm

2 stops46h 43m

$1,723

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 February is another great option to travel to Kathmandu, with average flight prices from Washington, D.C. Reagan-National Airport averaging around $1,685.

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 10m, 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
3,624 reviews
Search Qatar Airways flights

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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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