
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,198 (Trip.com) |
One-way from | $551 (FlightHub) |
Popular in | June |
Cheapest in | January |
Average price | $1,608 |
Fly from
Fly to
Route
Depart
Return
Washington, D.C.Kathmandu
IAD - KTM
IADKTM
Washington, D.C. Dulles Intl
Wed 6/10
3:10 pm-6:10 pm
2 stops41h 15m
Kathmandu Tribhuvan
Sat 6/20
8:10 am-9:45 am
2 stops35h 20m
Washington, D.C.Kathmandu
IAD - KTM
IADKTM
Washington, D.C. Dulles Intl
Fri 8/28
10:55 am-11:35 pm
1 stop26h 55m
Kathmandu Tribhuvan
Tue 9/1
9:05 am-8:40 am
1 stop33h 20m
Washington, D.C.Kathmandu
IAD - KTM
IADKTM
Washington, D.C. Dulles Intl
Sat 8/1
10:55 am-11:35 pm
1 stop26h 55m
Kathmandu Tribhuvan
Mon 8/31
9:05 am-8:40 am
1 stop33h 20m
Washington, D.C.Kathmandu
DCA - KTM
DCAKTM
Washington, D.C. Reagan-National
Sun 11/1
10:00 am-11:00 pm
2 stops26h 15m
Kathmandu Tribhuvan
Sat 11/28
12:05 am-10:17 pm
2 stops32h 57m
Washington, D.C.Kathmandu
DCA - KTM
DCAKTM
Washington, D.C. Reagan-National
Tue 10/13
6:38 am-11:45 pm
2 stops31h 22m
Kathmandu Tribhuvan
Wed 11/18
12:15 am-9:29 pm
2 stops31h 59m
Washington, D.C.Kathmandu
DCA - KTM
DCAKTM
Washington, D.C. Reagan-National
Tue 10/6
6:38 am-11:45 pm
2 stops31h 22m
Kathmandu Tribhuvan
Wed 10/21
12:45 am-10:57 pm
2 stops31h 57m
Washington, D.C.Kathmandu
IAD - KTM
IADKTM
Washington, D.C. Dulles Intl
Thu 9/17
6:41 pm-9:50 am
2 stops29h 24m
Kathmandu Tribhuvan
Wed 11/18
6:45 pm-3:55 pm
1 stop31h 55m
Washington, D.C.Kathmandu
IAD - KTM
IADKTM
Washington, D.C. Dulles Intl
Tue 9/15
6:41 pm-8:50 am
2 stops28h 24m
Kathmandu Tribhuvan
Thu 11/19
6:45 pm-8:20 am
1 stop24h 20m
Washington, D.C.Kathmandu
DCA - KTM
DCAKTM
Washington, D.C. Reagan-National
Sun 10/18
11:15 am-11:45 pm
2 stops26h 45m
Kathmandu Tribhuvan
Fri 11/13
7:20 am-9:29 pm
2 stops48h 54m
Washington, D.C.Kathmandu
IAD - KTM
IADKTM
Washington, D.C. Dulles Intl
Wed 9/9
12:30 pm-9:30 pm
3 stops47h 15m
Kathmandu Tribhuvan
Mon 10/5
11:10 pm-7:10 pm
3 stops53h 45m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*3 stars |
The best time to book flights from Washington, D.C. to Kathmandu is 78 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 $129). Flying from Washington, D.C. to Kathmandu in June is currently the most expensive (average of $2,144). 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 $1,134.
Flights via Doha (DOH) have the shortest average one-way travel time for 1-stop routes: 19h 55m.
Flights via Doha (DOH) offer the fastest connection on this route, with an average layover time of 3h 13m.
Entertainment
Boarding
Crew
Food
Comfort
Overall
Reviews
Anonymous,Mar 2026
SFO - DXB
Entertainment
Boarding
Crew
Food
Comfort
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Reviews
Anonymous,Mar 2026
SFO - DXB
Entertainment
Boarding
Crew
Food
Comfort
Overall
Reviews
Anonymous,Mar 2026
SFO - DXB
Entertainment
Boarding
Crew
Food
Comfort
Overall
Reviews
Anonymous,Mar 2026
SFO - DXB
Entertainment
Boarding
Crew
Food
Comfort
Overall
Reviews
Anonymous,Mar 2026
SFO - DXB
Entertainment
Boarding
Crew
Food
Comfort
Overall
Reviews
Anonymous,Mar 2026
SFO - DXB
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$549 | Average$1,211 | FlexibilityNo cancel fee | On-time80% | |
| Cheapest$818 | Average$1,148 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$1,085 | Average$1,483 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$1,093 | Average$1,339 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$1,242 | Average$1,664 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$1,256 | Average$1,438 | FlexibilityNo cancel fee | On-time68% | |
| Cheapest$1,611 | Average$1,659 | FlexibilityNo cancel fee | On-time79% |