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
11/09/25
2 Stopovers (AUH, DEL)
EY0006, EY0212, RA0218
34h 40min
Return
12/07/25
2 Stopovers (DEL, AUH)
RA0217, EY0217, EY0005
36h 50min
Etihad Airways, Nepal Airlines ?
$985
Best option
Washington DC
Kathmandu
Outbound
11/09/25
1 Stopover (DOH)
QR0710, QR0644
20h 05min
Return
12/07/25
1 Stopover (DOH)
QR0645, QR0707
31h 55min
Qatar Airways
$1,410
Washington DC
Kathmandu
Please note: transfer for connecting flight
Outbound
11/09/25
3 Stopovers (AMM, RUH, DEL)
RJ0282, RJ0730, 6E0072, 6E1155
33h 05min
Return
12/07/25
2 Stopovers (DEL, IST)
AI0212, 6E0011, 6E4007
33h 00min
Royal Jordanian, IndiGo Airlines
$1,312
Washington DC
Kathmandu
Outbound
11/09/25
2 Stopovers (IST, DEL)
6E4006, 6E0012, 6E1155
31h 45min
Return
12/07/25
2 Stopovers (BOM, IST)
6E1158, 6E0017, 6E4007
38h 55min
IndiGo Airlines ?
$1,143
Washington DC
Kathmandu
Outbound
11/09/25
2 Stopovers (DOH, DAC)
QR0708, QR0638, BG0371
28h 45min
Return
12/07/25
1 Stopover (DOH)
QR0645, QR0707
31h 55min
Qatar Airways, Biman Bangladesh Airlines ?
$1,425
Washington DC
Kathmandu
Outbound
11/09/25
1 Stopover (DOH)
QR0710, QR0644
20h 05min
Return
12/07/25
1 Stopover (DOH)
QR0645, QR0707
31h 55min
Qatar Airways
$1,525
Washington DC
Kathmandu
Outbound
11/09/25
1 Stopover (DOH)
AA8123, QR0644
20h 05min
Return
12/07/25
1 Stopover (DOH)
QR0647, AA8119
33h 00min
American Airlines, Qatar Airways ?
$1,548
Washington DC
Kathmandu
Outbound
11/09/25
1 Stopover (IST)
TK0008, TK0726
27h 15min
Return
12/07/25
1 Stopover (IST)
TK0727, TK0187
33h 55min
Turkish Airlines ?
$1,582
Washington DC
Kathmandu
Outbound
11/09/25
1 Stopover (DXB)
EK0232, EK2446
40h 45min
Return
12/07/25
1 Stopover (DXB)
EK2154, EK0231
43h 10min
Emirates Airline
$1,943
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 $985.00
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
Flight destinations with a similar price
Flight destinations with a similar price