Cheap Flights from San Diego International to Hanoi

Compare San Diego International to Hanoi flight deals

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

Book the best Hanoi fare with no extra fees

Flight deals from San Diego International to Hanoi

Looking for a cheap last-minute deal or the best return flight from San Diego International to Hanoi? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from San Diego International to Hanoi

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like San Diego International to Hanoi flights are currently cheapest in May.

San Diego International to Hanoi: Alternative routes

Compare routes from San Diego International 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 foundر.ق.‏ 1,360
Cheapest month to flyMay

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

The best price we found for a return flight from San Diego International to Hanoi is ر.ق.‏ 2,914. 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 International to Hanoi. But we found flights with one or more stops from ر.ق.‏ 2,914.
As of February 2026, there are no flights flying from San Diego International to Hanoi.
The cheapest month to fly from San Diego International to Hanoi is usually September.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from San Diego International Airport to Hanoi Airport on Tuesday, 1 September 2026.
No airlines currently offer direct flights between San Diego International Airport 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.
Currently, Alaska Airlines offers the cheapest flight tickets to Hanoi.

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

  • Hanoi's timezone is UTC+7, which makes Hanoi 14 hours ahead of San Diego.

  • To ensure you get on your SAN to HAN flight, leave plenty of time for things like check-in and baggage drop. Arriving two hours before international departures and an hour before domestic flights is the general rule.

  • You can expect bigger queues in popular months like July. Arriving up to four hours in advance for an international flight and two hours for domestic departures is a smart move.

  • Take a detour to a new city or break up your flight with a stopover. Just uncheck 'Direct flights only' to see your options when searching for tickets from San Diego International Airport to Noi Bai International Airport. Many passengers pass through Narita International Airport on this route.

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

  • The cheapest price we've seen for a one-way San Diego International Airport to Noi Bai International Airport flight is ر.ق.‏ 1,360. A round-trip plane ticket is currently ر.ق.‏ 2,914. Depending on the availability when you book, these fares can change.

  • To get your hands on cheap tickets from SAN to HAN, book in advance. Airlines usually offer lower fares when flights are first released.

  • Getting cheap flights from San Diego International Airport to Noi Bai International Airport is easy if you're flexible with your trip dates. Use the 'Whole month' function to see the lowest prices throughout the month and bag a great deal.

  • Picking up cheap flights from SAN to HAN is a breeze with Price Alerts. Simply set up one of these automatic alerts and we'll notify you as soon as a new deal comes up.

  • Tailor your flights with filters. Select your departure and arrival times, total journey duration and airlines. You can also sort your results by 'Best,' 'Fastest' or 'Cheapest' flights from San Diego International Airport to Noi Bai International Airport.

Handy information about San Diego International Airport (SAN)

  • SAN's address is Airport Drive.

  • 71.38% of flights leaving from San Diego International Airport land at their destination on schedule.

  • San Diego International Airport is about 5 kilometres from central San Diego. If you're driving, catching a cab or ride-sharing from the centre, it'll take you 10 minutes or so to arrive, depending on the traffic.

  • The journey on public transport takes roughly 20 minutes.

  • Need a convenient hotel close to SAN? If you're catching an early flight from San Diego International Airport to Noi Bai International Airport, these accommodation options will put you moments from your check-in counter:

Arriving at Noi Bai International Airport (HAN)

  • The last thing you need is a lengthy trip to your hotel if you're getting in late on a San Diego International Airport to Noi Bai International Airport flight. Stay at one of these accommodation options near HAN instead:

  • Pick up a Noi Bai International Airport rental car and explore parts of Hanoi that aren't on every traveller's list. You can book your wheels with Dichung Car Hire.

  • Increase the odds of snagging the lowest price by booking early. Reserving your vehicle from Noi Bai International Airport at least a couple of weeks in advance is a good idea.

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

  • Noi Bai International Airport to central Hanoi has a drive time of around 35 minutes. It's approximately 26 kilometres away.

  • Getting there on public transport will take you roughly 1 hour 55 minutes.

When to fly to Noi Bai International Airport (HAN)

  • It's time to pick your trip dates for your flight from San Diego International Airport to Noi Bai International Airport. July is the most popular month to visit Hanoi. If you're after a more laid-back vibe, go in April.

  • Lock in your flight from San Diego International Airport to Noi Bai International Airport for June if you want to explore Hanoi during its warmest month. Expect temperatures of between 25ºC and 36ºC.

  • If you like cooler conditions, look for a cheap ticket from SAN to HAN in January. Average temperatures are between 10ºC and 22ºC then.

Explore more of Vietnam

  • Hanoi is easy to fall in love with, but there are so many other parts of Vietnam waiting to be discovered. Around 48 kilometres north-west of Hanoi, a trip to Việt Trì will keep you on the go. Start with leading attractions like Vườn Lan Hiền Vũ, Nhà Vườn Tiến An and Vườn lan Ngọc Tân.

  • If you're ready to explore another major stop in Vietnam, consider Móng Cái, about 225 kilometres east of Hanoi. Tra Co beach, Moncay Catholic Church and Chimsu Chill on the beach are key reasons to visit.

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