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Cheap flights from Washington, D.C. Reagan-National Airport to Kathmandu from $642

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 8/18. 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.
Multiple Airlines Logo
6:20 am - 4:30 pm
DCA
-
KTM
24h 25m
2 stops
Multiple Airlines Logo
2:40 pm - 10:59 pm
KTM
-
DCA
42h 04m
2 stops
$1,288Multiple Airlines
Wed, Aug 12 - Tue, Sep 15
Multiple Airlines Logo
6:30 am - 4:30 pm
DCA
-
KTM
24h 15m
2 stops
Multiple Airlines Logo
9:10 pm - 10:59 pm
KTM
-
DCA
35h 34m
2 stops
$1,296Multiple Airlines
Wed, Sep 16 - Tue, Oct 6
Multiple Airlines Logo
6:20 am - 8:55 am
DCA
-
KTM
40h 50m
2 stops
Multiple Airlines Logo
2:40 pm - 10:59 pm
KTM
-
DCA
42h 04m
2 stops
$1,300Multiple Airlines
Thu, Aug 13 - Wed, Sep 16
Multiple Airlines Logo
6:30 am - 4:30 pm
DCA
-
KTM
24h 15m
2 stops
Multiple Airlines Logo
5:15 pm - 10:48 pm
KTM
-
DCA
39h 18m
2 stops
$1,317Multiple Airlines
Thu, Oct 1 - Wed, Oct 28
Air India Logo
5:00 pm - 4:30 pm
DCA
-
KTM
37h 45m
2 stops
Air India Logo
9:10 pm - 6:11 pm
KTM
-
DCA
30h 46m
2 stops
$1,345Air India
Tue, Aug 11 - Wed, Sep 16
Multiple Airlines Logo
6:20 am - 4:30 pm
DCA
-
KTM
24h 25m
2 stops
Multiple Airlines Logo
7:35 am - 10:59 pm
KTM
-
DCA
49h 09m
2 stops
$1,354Multiple Airlines
Fri, Aug 14 - Sun, Sep 13
Multiple Airlines Logo
6:30 am - 4:30 pm
DCA
-
KTM
24h 15m
2 stops
Multiple Airlines Logo
5:30 pm - 10:59 pm
KTM
-
DCA
39h 14m
2 stops
$1,389Multiple Airlines
Fri, Oct 2 - Fri, Oct 16
Multiple Airlines Logo
6:20 am - 4:30 pm
DCA
-
KTM
24h 25m
2 stops
Multiple Airlines Logo
2:40 pm - 10:59 pm
KTM
-
DCA
42h 04m
2 stops
$1,401Multiple Airlines
Fri, Sep 4 - Fri, Sep 18
Air India Logo
6:05 am - 4:30 pm
DCA
-
KTM
24h 40m
2 stops
Air India Logo
9:10 pm - 6:11 pm
KTM
-
DCA
30h 46m
2 stops
$1,407Air India
Wed, Aug 12 - Fri, Sep 11
Air India Logo
6:05 am - 4:30 pm
DCA
-
KTM
24h 40m
2 stops
Air India Logo
9:10 pm - 6:11 pm
KTM
-
DCA
30h 46m
2 stops
$1,412Air India
Wed, Sep 2 - Tue, Sep 22

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
May 4
DCA2:54 pmWashington, D.C. Reagan-National
32h 01m
2 stops
KTM8:40 amKathmandu Tribhuvan
Jun 23
KTM6:00 pmKathmandu Tribhuvan
35h 44m
2 stops
DCA7:59 pmWashington, D.C. Reagan-National
$1,674
Qatar Airways
May 6
DCA2:54 pmWashington, D.C. Reagan-National
32h 01m
2 stops
KTM8:40 amKathmandu Tribhuvan
May 20
KTM7:10 pmKathmandu Tribhuvan
37h 34m
2 stops
DCA10:59 pmWashington, D.C. Reagan-National
$1,711
Qatar Airways
May 13
DCA2:54 pmWashington, D.C. Reagan-National
32h 01m
2 stops
KTM8:40 amKathmandu Tribhuvan
Jun 23
KTM10:05 amKathmandu Tribhuvan
43h 39m
2 stops
DCA7:59 pmWashington, D.C. Reagan-National
$1,717

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
Aug 11
DCA5:00 pmWashington, D.C. Reagan-National
37h 45m
2 stops
KTM4:30 pmKathmandu Tribhuvan
Sep 16
KTM9:10 pmKathmandu Tribhuvan
30h 46m
2 stops
DCA6:11 pmWashington, D.C. Reagan-National
$1,345
Air India
Aug 12
DCA6:05 amWashington, D.C. Reagan-National
24h 40m
2 stops
KTM4:30 pmKathmandu Tribhuvan
Sep 11
KTM9:10 pmKathmandu Tribhuvan
30h 46m
2 stops
DCA6:11 pmWashington, D.C. Reagan-National
$1,407
Air India
Sep 2
DCA6:05 amWashington, D.C. Reagan-National
24h 40m
2 stops
KTM4:30 pmKathmandu Tribhuvan
Sep 22
KTM9:10 pmKathmandu Tribhuvan
30h 46m
2 stops
DCA6:11 pmWashington, D.C. Reagan-National
$1,412

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 April 7, 2026.
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

Cheapest round-trip

Washington, D.C.Kathmandu

DCA - KTM

DCAKTM

Washington, D.C. Reagan-National

Wed 8/12

6:20 am-4:30 pm

2 stops24h 25m

Kathmandu Tribhuvan

Tue 9/15

2:40 pm-10:59 pm

2 stops42h 04m

$1,288

Washington, D.C.Kathmandu

DCA - KTM

DCAKTM

Washington, D.C. Reagan-National

Wed 9/16

6:30 am-4:30 pm

2 stops24h 15m

Kathmandu Tribhuvan

Tue 10/6

9:10 pm-10:59 pm

2 stops35h 34m

$1,296

Washington, D.C.Kathmandu

DCA - KTM

DCAKTM

Washington, D.C. Reagan-National

Thu 8/13

6:20 am-8:55 am

2 stops40h 50m

Kathmandu Tribhuvan

Wed 9/16

2:40 pm-10:59 pm

2 stops42h 04m

$1,300

Washington, D.C.Kathmandu

DCA - KTM

DCAKTM

Washington, D.C. Reagan-National

Thu 10/1

6:30 am-4:30 pm

2 stops24h 15m

Kathmandu Tribhuvan

Wed 10/28

5:15 pm-10:48 pm

2 stops39h 18m

$1,317

Washington, D.C.Kathmandu

DCA - KTM

DCAKTM

Washington, D.C. Reagan-National

Tue 8/11

5:00 pm-4:30 pm

2 stops37h 45m

Kathmandu Tribhuvan

Wed 9/16

9:10 pm-6:11 pm

2 stops30h 46m

$1,345

Washington, D.C.Kathmandu

DCA - KTM

DCAKTM

Washington, D.C. Reagan-National

Fri 8/14

6:20 am-4:30 pm

2 stops24h 25m

Kathmandu Tribhuvan

Sun 9/13

7:35 am-10:59 pm

2 stops49h 09m

$1,354

Washington, D.C.Kathmandu

DCA - KTM

DCAKTM

Washington, D.C. Reagan-National

Fri 10/2

6:30 am-4:30 pm

2 stops24h 15m

Kathmandu Tribhuvan

Fri 10/16

5:30 pm-10:59 pm

2 stops39h 14m

$1,389

Washington, D.C.Kathmandu

DCA - KTM

DCAKTM

Washington, D.C. Reagan-National

Fri 9/4

6:20 am-4:30 pm

2 stops24h 25m

Kathmandu Tribhuvan

Fri 9/18

2:40 pm-10:59 pm

2 stops42h 04m

$1,401
Quickest round-trip

Washington, D.C.Kathmandu

DCA - KTM

DCAKTM

Washington, D.C. Reagan-National

Wed 8/12

6:05 am-4:30 pm

2 stops24h 40m

Kathmandu Tribhuvan

Fri 9/11

9:10 pm-6:11 pm

2 stops30h 46m

$1,407

Washington, D.C.Kathmandu

DCA - KTM

DCAKTM

Washington, D.C. Reagan-National

Wed 9/2

6:05 am-4:30 pm

2 stops24h 40m

Kathmandu Tribhuvan

Tue 9/22

9:10 pm-6:11 pm

2 stops30h 46m

$1,412

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 airline that flies from Washington, D.C. Reagan-National to Kathmandu Tribhuvan?

Cathay Pacific and Air India are the most popular carriers operating from Washington, D.C. Reagan-National to Kathmandu Tribhuvan

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

Fastest flight time

24h 15m

Direct flights

None
The fastest flight from Washington, D.C. Reagan-National Airport to Kathmandu takes 24h 15m
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.
Search flight deals

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

  • 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 24h 15m, 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 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.

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?

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.

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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Cabin classes currently available on flights to Kathmandu

List of cabin classes available on flights landing in Kathmandu. Availability may vary depending on flight origin and airline.
First Class to Kathmandu
Business Class to Kathmandu