
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,163 (Gotogate) |
One-way from | $637 (Kiwi.com) |
Popular in | December |
Cheapest in | August |
Average price | $1,118 |
Fly from
Fly to
Route
Depart
Return
Washington, D.C.Hanoi
IAD - HAN
IADHAN
Washington, D.C. Dulles Intl
Mon 9/28
9:00 pm-1:55 pm
1 stop29h 55m
Hanoi Noibai
Fri 10/2
7:30 pm-3:40 pm
1 stop31h 10m
Washington, D.C.Hanoi
IAD - HAN
IADHAN
Washington, D.C. Dulles Intl
Mon 10/12
9:00 pm-7:15 am
1 stop23h 15m
Hanoi Noibai
Mon 10/26
7:10 pm-4:55 pm
1 stop32h 45m
Washington, D.C.Hanoi
IAD - HAN
IADHAN
Washington, D.C. Dulles Intl
Fri 10/2
6:41 pm-9:55 am
2 stops28h 14m
Hanoi Noibai
Sat 10/24
10:55 am-5:00 am
2 stops29h 05m
Washington, D.C.Hanoi
IAD - HAN
IADHAN
Washington, D.C. Dulles Intl
Tue 5/5
9:00 pm-1:55 pm
1 stop29h 55m
Hanoi Noibai
Fri 5/8
1:05 pm-6:20 pm
2 stops40h 15m
Washington, D.C.Hanoi
IAD - HAN
IADHAN
Washington, D.C. Dulles Intl
Mon 9/28
8:35 am-10:15 pm
2 stops26h 40m
Hanoi Noibai
Fri 10/2
11:35 pm-10:19 pm
2 stops33h 44m
Washington, D.C.Hanoi
IAD - HAN
IADHAN
Washington, D.C. Dulles Intl
Tue 7/7
6:33 am-10:15 pm
2 stops28h 42m
Hanoi Noibai
Thu 7/16
11:35 pm-6:58 am
2 stops42h 23m
Washington, D.C.Hanoi
IAD - HAN
IADHAN
Washington, D.C. Dulles Intl
Fri 7/31
10:21 am-9:35 pm
2 stops24h 14m
Hanoi Noibai
Fri 8/21
11:10 pm-2:44 pm
2 stops26h 34m
Washington, D.C.Hanoi
IAD - HAN
IADHAN
Washington, D.C. Dulles Intl
Tue 9/1
12:30 pm-11:30 am
3 stops36h 00m
Hanoi Noibai
Thu 9/24
6:30 pm-7:16 pm
3 stops35h 46m
Washington, D.C.Hanoi
IAD - HAN
IADHAN
Washington, D.C. Dulles Intl
Thu 7/16
1:30 pm-9:35 pm
1 stop21h 05m
Hanoi Noibai
Thu 7/30
11:10 pm-6:26 pm
2 stops30h 16m
Washington, D.C.Hanoi
IAD - HAN
IADHAN
Washington, D.C. Dulles Intl
Wed 9/30
9:00 pm-12:10 am
3 stops40h 10m
Hanoi Noibai
Wed 10/14
1:05 pm-3:40 pm
2 stops37h 35m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*2 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
To ensure you get the cheapest price possible for a flight from Washington, D.C. Dulles Intl Airport to Hanoi, you should look to book at least 80 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
Currently, August is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Hanoi (average of $1,020). Flying from Washington, D.C. Dulles Intl Airport to Hanoi in December is currently the most expensive (average of $2,018). 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.
Taipei City (TPE) – chosen by Cheapflights users on 63% of 1-stop itineraries from Washington, D.C. Dulles Intl Airport to Hanoi on Cheapflights.
Taipei City (TPE) is the most affordable 1-stop option, with an average round-trip price of $1,353.
Flights via Taipei City (TPE) have the shortest average one-way travel time for 1-stop routes: 22h 15m.
Flights via Taipei City (TPE) offer the fastest connection on this route, with an average layover time of 3h 25m.
Entertainment
Crew
Overall
Boarding
Comfort
Food
Reviews
Anonymous,Mar 2026
CRK - TPE
Entertainment
Crew
Overall
Boarding
Comfort
Food
Reviews
Anonymous,Mar 2026
CRK - TPE
Entertainment
Crew
Overall
Boarding
Comfort
Food
Reviews
Anonymous,Mar 2026
CRK - TPE
Entertainment
Crew
Overall
Boarding
Comfort
Food
Reviews
Anonymous,Mar 2026
CRK - TPE
Entertainment
Crew
Overall
Boarding
Comfort
Food
Reviews
Anonymous,Mar 2026
CRK - TPE
Entertainment
Crew
Overall
Boarding
Comfort
Food
Reviews
Anonymous,Mar 2026
CRK - TPE
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$821 | Average$1,162 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$856 | Average$1,306 | FlexibilityNo cancel fee | On-time74% | |
| Cheapest$887 | Average$1,058 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$947 | Average$1,331 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$978 | Average$1,068 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$980 | Average$1,361 | FlexibilityNo cancel fee | On-time68% | |
| Cheapest$1,130 | Average$2,458 | FlexibilityNo cancel fee | On-time62% |