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Cheap Flights from San Diego (SANA) to Hanoi (HAN)

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Compare San Diego to Hanoi flight deals

Find the cheapest month or even day of the year to fly to Hanoi

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Flight deals from San Diego to Hanoi

Looking for a cheap last-minute deal or the best round-trip flight from San Diego to Hanoi? Find the lowest prices on one-way and round-trip tickets right here.
Hanoi.$414 per passenger.Departing Sun, Sep 14.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departing from San Diego International on Sun, Sep 14, arriving in Hanoi.Price includes taxes and charges.From $414, select.
Hanoi.$491 per passenger.Departing Thu, Jul 3.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departing from San Diego International on Thu, Jul 3, arriving in Hanoi.Price includes taxes and charges.From $491, select.
Hanoi.$517 per passenger.Departing Mon, Mar 9.One-way flight with Delta.Outbound indirect flight with Delta, departing from San Diego International on Mon, Mar 9, arriving in Hanoi.Price includes taxes and charges.From $517, select.
Hanoi.$550 per passenger.Departing Wed, Feb 18.One-way flight with Alaska Airlines.Outbound indirect flight with Alaska Airlines, departing from San Diego International on Wed, Feb 18, arriving in Hanoi.Price includes taxes and charges.From $550, select.
Hanoi.$565 per passenger.Departing Fri, Jun 6.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departing from San Diego International on Fri, Jun 6, arriving in Hanoi.Price includes taxes and charges.From $565, select.
Hanoi.$603 per passenger.Departing Wed, Dec 31.One-way flight with Delta.Outbound indirect flight with Delta, departing from San Diego International on Wed, Dec 31, arriving in Hanoi.Price includes taxes and charges.From $603, select.
Hanoi.$603 per passenger.Departing Thu, Jan 1.One-way flight with Delta.Outbound indirect flight with Delta, departing from San Diego International on Thu, Jan 1, arriving in Hanoi.Price includes taxes and charges.From $603, select.

Find the cheapest month to fly from San Diego to Hanoi

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like San Diego to Hanoi flights are currently cheapest in September.
May
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Jun
from $565
Jul
from $491
Aug
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Sep
from $414
Oct
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Nov
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Dec
from $603
Jan
from $603
Feb
from $550
Mar
from $517
Apr
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San Diego to Hanoi: Alternative routes

Compare routes from San Diego to Hanoi below. You may find an airport to fly into that's cheaper, faster, or easier than Hanoi.

San Diego to Hanoi: Flight information

The things to know before you go.
Cheapest flight found$413
Cheapest month to flySeptember

Finding cheap flights from San Diego to Hanoi: Frequently asked questions

The best price we found for a round-trip flight from San Diego to Hanoi is $878. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from San Diego to Hanoi. But we found flights with one stop from $878.
There are no flights flying from San Diego to Hanoi, as of May 2025.
The cheapest month to fly from San Diego to Hanoi is usually May 2025.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from San Diego to Hanoi Airport on Sunday, September 14, 2025.
No airlines currently offer direct flights between San Diego and Hanoi Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Hanoi but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to Hanoi is around 40 days in advance, so don’t leave your flight to the last minute.
The cheapest airline that flies to Hanoi is Delta.

Traveling from San Diego to Noi Bai International Airport (HAN): what you need to know

  • San Diego's main base, San Diego International Airport (SAN), is where countless incredible trips begin. Explore the departure options from here when searching for a flight from San Diego to Noi Bai International Airport (HAN).

  • Hanoi is 14 hours ahead of San Diego. Noi Bai International Airport is located in Hanoi, which operates on the UTC+7 timezone.

  • Give yourself plenty of time to get on your flight from San Diego to HAN. Generally, it's best to arrive at least two hours before international departures and an hour ahead for domestic flights.

  • If you're flying during a popular month like July, arrive at the terminal even earlier. It's smart to arrive up to four hours before international flights and two hours ahead of domestic departures. Security lines will be longer during high seasons like Thanksgiving, Christmas and New Year.

Airports in San Diego

San Diego International Airport (SAN)

  • Finding a stopover on your flight from San Diego to HAN is a breeze. Whether you're eager to potentially save money on your fare or break up your trip, just deselect 'Direct flights only' to view your options. A popular stop when leaving from San Diego International Airport (SAN) is Narita International Airport (NRT).

  • From central San Diego, SAN is around 3 miles away. Check the official airport website or use navigation apps to find the best way to get there.

  • Need a convenient hotel near San Diego International Airport? If you've booked an early flight from San Diego to Noi Bai International Airport, these accommodation options will put you moments from check-in:

About Noi Bai International Airport (HAN)

Getting from Noi Bai International Airport (HAN) to central Hanoi

  • Noi Bai International Airport to the center of Hanoi is around 35 minutes in a car. It's approximately 16 miles away. Find out what options are available, such as car rentals, cabs or ride-sharing services.

  • It typically takes 1 hour and 56 minutes if you're using public transport.

How to find the cheapest flights from San Diego to Noi Bai International Airport (HAN)

  • $413 is the lowest price we've found for a one-way ticket from San Diego to Noi Bai International Airport. Return flights start from $878. Prices may vary depending on availability at the time of booking.

  • We suggest booking as soon as possible to get cheap tickets from San Diego to HAN. You're more likely to snag a great deal and enjoy a wider selection of flight times and dates.

  • The 'Whole month' tool shows you the cheapest tickets from San Diego to Noi Bai International Airport across each month. It's a good way to snap up a bargain if your travel dates are flexible.

  • Sign into your online account or use the app to set up a Price Alert. We'll notify you right away if the price has dropped. It's simple to do, and it'll save you the hassle of looking for a cheap ticket from San Diego to HAN every day.

  • Use the filters to tailor your flights from San Diego to Noi Bai International Airport. Select your ideal arrival and departure times, airlines and number of stops. You can also sort your results by 'Cheapest' to get the best deals.

The best time to fly from San Diego to Noi Bai International Airport (HAN)

  • July is the busiest month to catch a flight from San Diego to Noi Bai International Airport while April is the quietest. To work out the best time to visit Hanoi, consider the pace you like to travel at.

  • Think about the type of weather that'll work with your plans for Hanoi. The warmest month is June. Lock in your flights from San Diego to HAN during then and you can expect temperatures of between 77ºF and 97ºF.

  • January sees average temperatures of between 50ºF and 72ºF. Search for cheap flights from San Diego to Noi Bai International Airport sometime then if you like traveling in cooler conditions.

More about Hanoi

  • When it comes to searching for somewhere to rest your head, you'll find the top stays in Hanoi right here. Check out these options as soon as you've locked in your flight from San Diego to Noi Bai International Airport:

  • Hoan Kiem Lake and Temple of Literature are just the start of the leading attractions to add to your Hanoi to-do list. Keep the adventure rolling by checking out Ho Chi Minh Mausoleum.

Complete your Hanoi trip with a car rental

  • Grab the keys to one of our car rentals in Hanoi and explore the city at your own pace. Easily compare rates from trusted providers in one go after booking your hotel and cheap flights from San Diego to Noi Bai International Airport.

More travel options

Plan the rest of your trip from San Diego to Hanoi

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.