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
2 Stopovers (AUH, DEL)
EY0006, EY0218, RA0218
34h 20min
Return
11/17/25
2 Stopovers (DEL, AUH)
RA0217, EY0219, EY0005
37h 05min
Etihad Airways, Nepal Airlines ?
$1,129
Best option
Washington DC
Kathmandu
Outbound
10/18/25
1 Stopover (DOH)
QR0708, QR0650
27h 30min
Return
11/17/25
1 Stopover (DOH)
QR0649, QR0707
41h 05min
Qatar Airways
$1,456
Washington DC
Kathmandu
Pay attention to transfer at connecting flight
Outbound
10/18/25
3 Stopovers (LIS, MXP, BGY, SHJ)
TP0234, TP0824, G90696, G90532
34h 35min
Return
11/17/25
2 Stopovers (DEL, AUH)
6E1156, EY0217, EY0005
34h 10min
TAP Air Portugal, Air Arabia
$1,282
Washington DC
Kathmandu
Outbound
10/18/25
1 Stopover (DOH)
QR0708, QR0650
27h 30min
Return
11/17/25
1 Stopover (DOH)
QR0649, QR0707
41h 05min
Qatar Airways
$1,535
Washington DC
Kathmandu
Outbound
10/18/25
1 Stopover (DOH)
QR0708, QR0650
27h 30min
Return
11/17/25
1 Stopover (DOH)
QR0649, QR0707
41h 05min
Qatar Airways ?
$1,591
Washington DC
Kathmandu
Outbound
10/18/25
4 Stopovers (MCO, ATL, IST, DEL)
F94811, F93507, 6E4000, 6E0012, 6E1155
56h 26min
Return
11/17/25
2 Stopovers (DEL, IST)
6E1156, 6E0011, 6E4007
37h 20min
Frontier Airlines, IndiGo Airlines ?
$1,625
Washington DC
Kathmandu
Outbound
10/18/25
1 Stopover (DXB)
EK0232, EK2153
26h 25min
Return
11/17/25
1 Stopover (DXB)
EK2447, EK0231
27h 55min
Emirates Airline
$2,968
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 $ 1.128,20
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