
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,047 (Trip.com) |
One-way from | $509 (Mytrip) |
Popular in | June |
Cheapest in | January |
Average price | $1,446 |
Fly from
Fly to
Route
Depart
Return
Washington, D.C.Kathmandu
IAD - KTM
IADKTM
Washington, D.C. Dulles Intl
Sun 5/10
10:55 am-6:55 pm
1 stop22h 15m
Kathmandu Tribhuvan
Mon 6/15
12:35 am-8:40 am
1 stop41h 50m
Washington, D.C.Kathmandu
IAD - KTM
IADKTM
Washington, D.C. Dulles Intl
Mon 9/28
10:55 am-6:55 pm
1 stop22h 15m
Kathmandu Tribhuvan
Fri 10/2
3:35 pm-8:40 am
1 stop26h 50m
Washington, D.C.Kathmandu
IAD - KTM
IADKTM
Washington, D.C. Dulles Intl
Sun 4/26
9:00 pm-8:40 am
1 stop25h 55m
Kathmandu Tribhuvan
Mon 5/11
7:10 pm-6:10 pm
1 stop32h 45m
Washington, D.C.Kathmandu
IAD - KTM
IADKTM
Washington, D.C. Dulles Intl
Sat 8/8
10:55 am-11:35 pm
1 stop26h 55m
Kathmandu Tribhuvan
Wed 8/26
9:05 am-8:40 am
1 stop33h 20m
Washington, D.C.Kathmandu
IAD - KTM
IADKTM
Washington, D.C. Dulles Intl
Fri 10/2
11:15 am-4:45 pm
1 stop19h 45m
Kathmandu Tribhuvan
Wed 10/28
6:45 pm-4:55 pm
1 stop31h 55m
Washington, D.C.Kathmandu
IAD - KTM
IADKTM
Washington, D.C. Dulles Intl
Fri 4/24
9:00 pm-8:40 am
1 stop25h 55m
Kathmandu Tribhuvan
Mon 5/11
7:10 pm-6:10 pm
1 stop32h 45m
Washington, D.C.Kathmandu
IAD - KTM
IADKTM
Washington, D.C. Dulles Intl
Thu 5/14
10:55 am-11:35 pm
1 stop26h 55m
Kathmandu Tribhuvan
Sat 6/13
9:05 am-8:40 am
1 stop33h 20m
BaltimoreKathmandu
BWI - KTM
BWIKTM
Baltimore/Washington
Thu 9/24
11:25 am-9:50 am
2 stops36h 40m
Kathmandu Tribhuvan
Mon 9/28
6:45 pm-11:32 pm
2 stops38h 32m
BaltimoreKathmandu
BWI - KTM
BWIKTM
Baltimore/Washington
Wed 5/6
12:21 pm-8:40 am
2 stops34h 34m
Kathmandu Tribhuvan
Thu 5/28
7:10 pm-12:11 am
2 stops38h 46m
BaltimoreKathmandu
BWI - KTM
BWIKTM
Baltimore/Washington
Mon 4/20
11:31 am-8:40 am
2 stops35h 24m
Kathmandu Tribhuvan
Thu 5/21
7:10 pm-11:55 pm
2 stops38h 30m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*2 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy- | Trust Score*1 star |
The best time to book flights from Washington, D.C. to Kathmandu is 79 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Currently, August is the cheapest month in which you can book a flight from Washington, D.C. to Kathmandu (average of $791). Flying from Washington, D.C. to Kathmandu in June is currently the most expensive (average of $1,235). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
Doha (DOH) – chosen by Cheapflights users on 68% of 1-stop itineraries from Washington, D.C. to Kathmandu on Cheapflights.
New Delhi (DEL) is the most affordable 1-stop option, with an average round-trip price of $1,098.
Flights via New Delhi (DEL) have the shortest average one-way travel time for 1-stop routes: 22h 19m.
Flights via New Delhi (DEL) offer the fastest connection on this route, with an average layover time of 4h 39m.
Overall
Comfort
Food
Entertainment
Crew
Boarding
Reviews
Anonymous,Mar 2026
SFO - DXB
Overall
Comfort
Food
Entertainment
Crew
Boarding
Reviews
Anonymous,Mar 2026
SFO - DXB
Overall
Comfort
Food
Entertainment
Crew
Boarding
Reviews
Anonymous,Mar 2026
SFO - DXB
Overall
Comfort
Food
Entertainment
Crew
Boarding
Reviews
Anonymous,Mar 2026
SFO - DXB
Overall
Comfort
Food
Entertainment
Crew
Boarding
Reviews
Anonymous,Mar 2026
SFO - DXB
Overall
Comfort
Food
Entertainment
Crew
Boarding
Reviews
Anonymous,Mar 2026
SFO - DXB
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$647 | Average$1,270 | FlexibilityNo cancel fee | On-time80% | |
| Cheapest$825 | Average$1,191 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$1,077 | Average$1,468 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$1,092 | Average$1,290 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$1,242 | Average$1,664 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$1,252 | Average$1,444 | FlexibilityNo cancel fee | On-time68% | |
| Cheapest$1,324 | Average$1,659 | FlexibilityNo cancel fee | On-time79% |