
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $686 (Asiana Airlines) |
One-way from | $299 (Trip.com) |
Popular in | December |
Cheapest in | September |
Average price | $812 |
Fly from
Fly to
Route
Depart
Return
San FranciscoHanoi
SFO - HAN
SFOHAN
San Francisco
Tue 5/5
1:10 pm-9:35 pm
2 stops42h 25m
Hanoi Noibai
Fri 8/21
11:10 pm-11:00 am
1 stop25h 50m
San FranciscoHanoi
SFO - HAN
SFOHAN
San Francisco
Mon 4/27
12:40 pm-9:35 pm
1 stop18h 55m
Hanoi Noibai
Thu 5/7
12:05 pm-7:20 pm
2 stops21h 15m
San FranciscoHanoi
SFO - HAN
SFOHAN
San Francisco
Mon 5/11
7:15 am-9:35 pm
2 stops24h 20m
Hanoi Noibai
Thu 5/21
12:05 pm-10:49 pm
2 stops24h 44m
San FranciscoHanoi
SFO - HAN
SFOHAN
San Francisco
Mon 5/4
2:57 pm-9:35 pm
2 stops40h 38m
Hanoi Noibai
Sat 8/22
11:10 pm-10:01 am
2 stops48h 51m
San FranciscoHanoi
SFO - HAN
SFOHAN
San Francisco
Wed 5/6
2:57 pm-10:50 am
2 stops53h 53m
Hanoi Noibai
Sun 8/23
12:05 pm-10:01 am
2 stops35h 56m
San FranciscoHanoi
SFO - HAN
SFOHAN
San Francisco
Thu 9/3
7:00 am-10:15 pm
2 stops25h 15m
Hanoi Noibai
Mon 9/7
11:35 pm-8:17 pm
2 stops34h 42m
San FranciscoHanoi
SFO - HAN
SFOHAN
San Francisco
Mon 4/6
12:00 pm-1:20 am
1 stop23h 20m
Hanoi Noibai
Mon 4/20
6:45 pm-3:21 pm
2 stops34h 36m
San FranciscoHanoi
SFO - HAN
SFOHAN
San Francisco
Wed 5/27
7:05 am-10:35 pm
2 stops25h 30m
Hanoi Noibai
Mon 6/8
11:35 pm-10:40 am
1 stop25h 05m
San FranciscoHanoi
SFO - HAN
SFOHAN
San Francisco
Fri 7/3
4:15 pm-10:35 am
2 stops28h 20m
Hanoi Noibai
Sun 7/12
11:10 pm-11:00 am
1 stop25h 50m
San FranciscoHanoi
SFO - HAN
SFOHAN
San Francisco
Fri 4/10
6:00 am-9:35 pm
2 stops25h 35m
Hanoi Noibai
Tue 4/28
11:10 pm-7:20 pm
2 stops34h 10m
| 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 Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
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, August is the cheapest month in which you can book a flight from San Francisco to Hanoi (average of $497). Flying from San Francisco to Hanoi in July is currently the most expensive (average of $871). 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.
Incheon (ICN) – chosen by Cheapflights users on 37% 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 $665.
Flights via Taipei City (TPE) have the shortest average one-way travel time for 1-stop routes: 20h 18m.
Flights via Ho Chi Minh City (SGN) offer the fastest connection on this route, with an average layover time of 2h 25m.
Comfort
Crew
Food
Boarding
Entertainment
Overall
Reviews
Anonymous,Jan 2026
SEA - TPE
Comfort
Crew
Food
Boarding
Entertainment
Overall
Reviews
Anonymous,Jan 2026
SEA - TPE
Comfort
Crew
Food
Boarding
Entertainment
Overall
Reviews
Anonymous,Jan 2026
SEA - TPE
Comfort
Crew
Food
Boarding
Entertainment
Overall
Reviews
Anonymous,Jan 2026
SEA - TPE
Comfort
Crew
Food
Boarding
Entertainment
Overall
Reviews
Anonymous,Jan 2026
SEA - TPE
Comfort
Crew
Food
Boarding
Entertainment
Overall
Reviews
Anonymous,Jan 2026
SEA - TPE
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$475 | Average$594 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$560 | Average$653 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$606 | Average$726 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$631 | Average$862 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$634 | Average$710 | FlexibilityNo cancel fee | On-time60% | |
| Cheapest$635 | Average$724 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$645 | Average$773 | FlexibilityNo cancel fee | On-time80% | |
| Cheapest$661 | Average$776 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$711 | Average$1,445 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$712 | Average$791 | FlexibilityNo cancel fee | On-time70% |