Flights from Washington DC to Kathmandu

Our cheapest offers for flights from Washington DC to Kathmandu

Here you can compare cheap flights from Washington DC (IAD) to Kathmandu (KTM) for one-way or return trips. The following offers were searched for and found on idealo during the last few days. Or start your own flight search to Kathmandu. Prices and availability may change at any time.

Outbound Return Airlines Shop Baggage Price
Washington DC
Kathmandu
Outbound
10/18/25
1 Stopover (DEL)
AI0104, AI0215
33h 50min
Return
11/17/25
1 Stopover (DEL)
AI0216, AI0103
34h 00min
Air India ?
$781
Best option
Washington DC
Kathmandu
Outbound
10/18/25
1 Stopover (DEL)
AI0104, AI0213
36h 20min
Return
11/17/25
1 Stopover (DEL)
AI0212, AI0103
20h 35min
Air India ?
$804
Washington DC
Kathmandu
Outbound
10/18/25
1 Stopover (DEL)
AI0104, AI2231
26h 15min
Return
11/17/25
1 Stopover (DEL)
AI0216, AI0103
34h 00min
Air India
$825
Washington DC
Kathmandu
Pay attention to transfer at connecting flight
Outbound
09/19/25
1 Stopover (DEL)
AI0104, 6E1155
18h 55min
Return
09/29/25
1 Stopover (DEL)
RA0217, AI0103
28h 00min
Air India, IndiGo Airlines
$1,220
Washington DC
Kathmandu
Outbound
10/18/25
1 Stopover (DEL)
AI0104, AI0215
33h 50min
Return
11/17/25
1 Stopover (DEL)
AI2220, AI0103
24h 05min
Air India ?
$826
Washington DC
Kathmandu
Outbound
10/18/25
1 Stopover (DEL)
AI0104, AI0215
33h 50min
Return
11/17/25
1 Stopover (DEL)
AI0216, AI0103
34h 00min
Air India
$827
Washington DC
Kathmandu
Outbound
10/18/25
1 Stopover (DEL)
AI0104, AI0213
36h 20min
Return
11/17/25
1 Stopover (DEL)
AI0216, AI0103
34h 00min
Air India
$850
Washington DC
Kathmandu
Outbound
10/18/25
1 Stopover (DEL)
AI0104, AI0215
33h 50min
Return
11/17/25
1 Stopover (DEL)
AI0216, AI0103
34h 00min
Air India ?
$874
Washington DC
Kathmandu
Outbound
09/04/25
2 Stopovers (EWR, DXB)
UA1997, UA0164, FZ1133
47h 45min
Return
09/28/25
2 Stopovers (DXB, EWR)
FZ0576, UA0163, UA1992
30h 37min
United Airlines, flydubai ?
$982
Washington DC
Kathmandu
Outbound
09/04/25
2 Stopovers (AUH, DEL)
EY0006, EY0218, AI0211
36h 15min
Return
09/28/25
2 Stopovers (DEL, AUH)
RA0217, EY0219, EY0005
36h 30min
Etihad Airways, Air India ?
$996
Prices based on recent searches, subject to last-minute changes
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Tips and tricks to help you find cheap flights from Washington DC to Kathmandu

Favorite airline: Air India
Air India is the most popular airline for flights from Washington DC to Kathmandu.
Air India
49 %
Emirates
23 %
Qatar Airways
21 %
Favourite connection: via Delhi
Flights with a stopover in Delhi are the most popular connection for this route.
Route
bookings
1 stopover Delhi-Indira Gandhi
23h 40min, from 1.100 $
63 %
2 stopovers Dubai Delhi-Indira Gandhi
40h 00min, from 1.125 $
25 %
1 stopover Dubai
27h 25min, from 1.307 $
5 %

Important flight information

Flight information: Washington DC - Kathmandu

Roundtrip from 780,52 $
Distance 12407 km
Departure airport Airport Washington DC - Dulles International Airport, DC (IAD)
Arrival airport Airport Kathmandu-Tribhuvan (KTM)
Destination country Flights to Nepal
Alternative flights to Kathmandu
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