
Most accurate provider | Justfly.com 3 stars |
|---|---|
Most trusted provider | Justfly.com 3 stars |
Round-trip from | $673 (Gotogate) |
One-way from | $359 (Kiwi.com) |
Popular in | December |
Cheapest in | September |
Average price | $777 |
Fly from
Fly to
Route
Depart
Return
Price
San FranciscoHanoi
SFO - HAN
SFOHAN
San Francisco
Wed 12/3
11:40 am-9:45 pm
1 stop19h 05m
Hanoi Noibai
Tue 12/16
11:05 pm-9:30 am
1 stop25h 25m
San FranciscoHanoi
SFO - HAN
SFOHAN
San Francisco
Thu 12/4
11:40 am-9:45 pm
1 stop19h 05m
Hanoi Noibai
Sun 12/14
12:20 pm-9:30 am
1 stop36h 10m
San FranciscoHanoi
SFO - HAN
SFOHAN
San Francisco
Wed 1/14
1:00 pm-9:45 pm
2 stops41h 45m
Hanoi Noibai
Tue 1/20
12:20 pm-9:30 am
1 stop36h 10m
San FranciscoHanoi
SFO - HAN
SFOHAN
San Francisco
Tue 11/18
3:35 pm-9:45 pm
2 stops39h 10m
Hanoi Noibai
Tue 11/25
12:20 pm-9:30 am
1 stop36h 10m
San FranciscoHanoi
SFO - HAN
SFOHAN
San Francisco
Mon 12/1
6:00 am-9:45 pm
2 stops24h 45m
Hanoi Noibai
Sun 12/21
11:05 pm-5:50 pm
2 stops33h 45m
San FranciscoHanoi
SFO - HAN
SFOHAN
San Francisco
Wed 12/3
5:45 am-11:10 am
2 stops38h 25m
Hanoi Noibai
Tue 12/16
12:20 pm-6:56 pm
2 stops21h 36m
San FranciscoHanoi
SFO - HAN
SFOHAN
San Francisco
Mon 12/1
6:00 am-9:45 pm
2 stops24h 45m
Hanoi Noibai
Tue 12/16
12:20 pm-12:03 am
2 stops26h 43m
San FranciscoHanoi
SFO - HAN
SFOHAN
San Francisco
Thu 12/4
11:40 am-9:45 pm
1 stop19h 05m
Hanoi Noibai
Tue 12/16
12:20 pm-7:30 am
2 stops34h 10m
San FranciscoHanoi
SFO - HAN
SFOHAN
San Francisco
Thu 12/4
11:40 am-9:45 pm
1 stop19h 05m
Hanoi Noibai
Wed 12/17
11:05 pm-7:30 am
2 stops47h 25m
San FranciscoHanoi
SFO - HAN
SFOHAN
San Francisco
Sun 11/30
11:40 am-9:45 pm
1 stop19h 05m
Hanoi Noibai
Sun 12/14
12:20 pm-9:30 am
1 stop36h 10m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars |
To ensure you get the cheapest price possible for a flight from San Francisco to Hanoi, you should look to book at least 43 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, September is the cheapest month in which you can book a flight from San Francisco to Hanoi (average of $627). Flying from San Francisco to Hanoi in July is currently the most expensive (average of $906). 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.
It’s optimal to fly from San Francisco to Hanoi in the evening. By choosing this option you can save up to 36% on the cost of your flight, compared to a flight in the afternoon.
Incheon (ICN) – chosen by Cheapflights users on 83% of 1-stop itineraries from San Francisco to Hanoi on Cheapflights.
Flights via Taipei City (TPE) have the shortest average one-way travel time for 1-stop routes: 20h 55m.
Flights via Taipei City (TPE) have the shortest average one-way travel time for 1-stop routes: 20h 55m.
Flights via Incheon (ICN) offer the fastest connection on this route, with an average layover time of 2h 23m.
Overall
Food
Entertainment
Comfort
Crew
Boarding
Reviews
Anonymous,Aug 2025
BKK - TPE
Overall
Food
Entertainment
Comfort
Crew
Boarding
Reviews
Anonymous,Aug 2025
BKK - TPE
Overall
Food
Entertainment
Comfort
Crew
Boarding
Reviews
Anonymous,Aug 2025
BKK - TPE
Overall
Food
Entertainment
Comfort
Crew
Boarding
Reviews
Anonymous,Aug 2025
BKK - TPE
Overall
Food
Entertainment
Comfort
Crew
Boarding
Reviews
Anonymous,Aug 2025
BKK - TPE
Overall
Food
Entertainment
Comfort
Crew
Boarding
Reviews
Anonymous,Aug 2025
BKK - TPE
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$549 | Average$1,332 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$555 | Average$755 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$634 | Average$705 | FlexibilityNo cancel fee | On-time60% | |
| Cheapest$654 | Average$765 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$666 | Average$752 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$675 | Average$868 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$682 | Average$739 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$709 | Average$789 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$723 | Average$792 | FlexibilityNo cancel fee | On-time80% | |
| Cheapest$730 | Average$826 | FlexibilityNo cancel fee | On-time70% |