
Most accurate provider | Justfly.com 3 stars |
|---|---|
Most trusted provider | Justfly.com 3 stars |
Round-trip from | $709 (Flightnetwork) |
One-way from | $364 (CrystalTravel) |
Popular in | December |
Cheapest in | September |
Average price | $1,539 |
Fly from
Fly to
Route
Depart
Return
Price
San FranciscoHanoi
SFO - HAN
SFOHAN
San Francisco
Tue 2/24
11:40 am-9:45 pm
1 stop19h 05m
Hanoi Noibai
Wed 3/11
12:20 pm-7:54 am
2 stops33h 34m
San FranciscoHanoi
SFO - HAN
SFOHAN
San Francisco
Tue 2/24
11:40 am-11:10 am
1 stop32h 30m
Hanoi Noibai
Sat 3/7
11:05 pm-9:30 am
1 stop25h 25m
San FranciscoHanoi
SFO - HAN
SFOHAN
San Francisco
Fri 3/6
11:40 am-11:10 am
1 stop32h 30m
Hanoi Noibai
Mon 3/16
11:05 pm-10:30 am
1 stop25h 25m
San FranciscoHanoi
SFO - HAN
SFOHAN
San Francisco
Thu 4/9
1:05 pm-9:35 pm
2 stops42h 30m
Hanoi Noibai
Mon 4/20
12:00 pm-7:56 am
2 stops57h 56m
San FranciscoHanoi
SFO - HAN
SFOHAN
San Francisco
Mon 2/23
2:39 pm-11:10 am
2 stops53h 31m
Hanoi Noibai
Wed 3/11
12:20 pm-7:54 am
2 stops33h 34m
San FranciscoHanoi
SFO - HAN
SFOHAN
San Francisco
Mon 2/23
2:39 pm-11:10 am
2 stops53h 31m
Hanoi Noibai
Thu 3/12
12:20 pm-7:54 am
2 stops33h 34m
San FranciscoHanoi
SFO - HAN
SFOHAN
San Francisco
Sun 2/22
11:50 pm-12:10 pm
1 stop21h 20m
Hanoi Noibai
Sat 3/7
1:30 pm-2:00 pm
1 stop15h 30m
San FranciscoHanoi
SFO - HAN
SFOHAN
San Francisco
Mon 2/23
11:50 pm-10:25 pm
1 stop31h 35m
Hanoi Noibai
Sat 3/7
1:30 pm-2:00 pm
1 stop15h 30m
San FranciscoHanoi
SFO - HAN
SFOHAN
San Francisco
Thu 2/26
11:50 pm-10:25 pm
1 stop31h 35m
Hanoi Noibai
Sat 3/7
1:30 pm-2:00 pm
1 stop15h 30m
San FranciscoHanoi
SFO - HAN
SFOHAN
San Francisco
Sat 2/21
2:39 pm-11:10 am
2 stops53h 31m
Hanoi Noibai
Sun 3/8
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 Accuracy2 stars | Trust Score*2 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 | |
| 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 46 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 71% of 1-stop itineraries from San Francisco to Hanoi on Cheapflights.
Incheon (ICN) is the most affordable 1-stop option, with an average round-trip price of $693.
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.
Entertainment
Food
Boarding
Comfort
Crew
Overall
Reviews
Chad,Nov 2025
TPE - SEA
Entertainment
Food
Boarding
Comfort
Crew
Overall
Reviews
Chad,Nov 2025
TPE - SEA
Entertainment
Food
Boarding
Comfort
Crew
Overall
Reviews
Chad,Nov 2025
TPE - SEA
Entertainment
Food
Boarding
Comfort
Crew
Overall
Reviews
Chad,Nov 2025
TPE - SEA
Entertainment
Food
Boarding
Comfort
Crew
Overall
Reviews
Chad,Nov 2025
TPE - SEA
Entertainment
Food
Boarding
Comfort
Crew
Overall
Reviews
Chad,Nov 2025
TPE - SEA
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$471 | Average$901 | 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$776 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$661 | Average$731 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$673 | Average$886 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$686 | Average$741 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$709 | Average$809 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$711 | Average$1,445 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$720 | Average$819 | FlexibilityNo cancel fee | On-time70% |