Cheap flight tickets from San Diego to Hanoi

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 return flight from San Diego to Hanoi Airport? If you want to travel next month, return fares start from RM4,991. Find the lowest prices on one-way and return tickets right here.

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 October.

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 foundRM2,231
Cheapest month to flyOctober

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

The best price we found for a return flight from San Diego to Hanoi is RM4,264. 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 RM4,264.
As of April 2026, there are no flights flying from San Diego to Hanoi.
The cheapest month to fly from San Diego to Hanoi is usually September.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from San Diego to Hanoi Airport on Tuesday, 1 September 2026.
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 .

Travelling from San Diego to Noi Bai International Airport (HAN): What you need to know

  • Planning your holiday begins with working out where you'll leave from in San Diego. San Diego International Airport (SAN) is the city's main base, so explore your options for booking a flight from San Diego to Noi Bai International Airport (HAN) out of here.

  • Noi Bai International Airport is located in Hanoi. The city runs on the UTC+7 timezone and is 14 hours ahead of San Diego.

  • Arriving two hours before an international flight and one hour ahead of a domestic departure are tried-and-true travel tips. Be at the airport with enough time to board your flight from San Diego to HAN.

  • High season means busier airports, so show up even earlier. Give yourself at least two hours before a domestic flight and four hours for an international journey to stick to your schedule.

Airports in San Diego

San Diego International Airport (SAN)

  • Stopovers are the perfect opportunity to explore a new place or just have a break during your journey. When looking for a cheap flight from San Diego to HAN, deselect 'Direct flights only' to check out all potential stops. Narita International Airport (NRT) is an option when you're setting off from San Diego International Airport (SAN).

  • Travelling from central San Diego to SAN takes about 20 minutes by public transport. If you drive, ride-share or take a cab, you'll cover the 5 kilometres in 10 minutes or so, depending on traffic.

  • Want a stress-free start to your journey? Stay near San Diego International Airport. Whether you're boarding an early flight from San Diego to Noi Bai International Airport or prefer not to rush, these hotels have you covered:

  • When it comes to the on-time performance of San Diego International Airport, data shows 71.38% of flights arrive within the scheduled time frame.

  • You'll find SAN at N Harbour Dr.

McClellan-Palomar Airport (CLD)

  • You can arrive at CLD from the centre of San Diego in about 40 minutes by car, depending on traffic conditions. The journey by public transport takes roughly 2 hours 15 minutes to travel the 56 kilometres or so.

  • Start your holiday early with an extra night away from home. Before catching your San Diego to HAN flight, stay in one of these hotels near McClellan-Palomar Airport:

About Noi Bai International Airport (HAN)

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

  • Noi Bai International Airport to central Hanoi is about 21 kilometres. If you're renting a car or taking a cab, plan ahead to make your trip as smooth as possible. Journey times vary depending on traffic and the time of day.

  • When travelling by public transport, expect a journey of roughly 1 hour 55 minutes.

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

  • RM2,231 is the lowest price for a one-way ticket from San Diego to Noi Bai International Airport. A return flight starts at RM4,264. These fares may change depending on availability.

  • Don't leave everything to the last minute. You're more likely to find cheap flights from San Diego to HAN if you book in advance. Airlines often offer some great early bird deals.

  • If you can be flexible with your travel dates, use the 'Whole month' search tool. It'll show you the lowest price across the month when searching for your San Diego to Noi Bai International Airport ticket.

  • Spend less time searching for cheap plane tickets from San Diego to HAN by creating a Price Alert. We'll send you an email or notification on the app when a new discounted fare appears.

  • Find an affordable flight from San Diego to Noi Bai International Airport by using filters. Choose your preferred times, airlines and number of stops, then sort the results by 'Cheapest' for the best deals.

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

  • April is the quietest month for flights from San Diego to Noi Bai International Airport (HAN), while July is the most popular. Work out the best time to go to Hanoi based on whether you like a bustling atmosphere or a more laid-back vibe.

  • Book a San Diego to HAN plane ticket departing in June if you want to explore the city during its warmest month. You can expect temperatures in Hanoi to range from 25ºC (77ºF) to 36ºC (97ºF).

  • If you like cooler conditions, look for a cheap ticket from San Diego to Noi Bai International Airport in January when temperatures are between 10ºC (50ºF) and 22ºC (72ºF).

More about Hanoi

  • Start your Hanoi trip off on the right foot by choosing the perfect place to stay. Once you've booked your flight from San Diego to Noi Bai International Airport, check out our range of hotels including:

  • Every great adventure has to include some sightseeing. Ho Chi Minh Mausoleum, Hanoi Street Foods and Thang Long Water Puppet Theatre are must-visits when exploring Hanoi.

Explore more of Vietnam

  • Hanoi has loads to offer, but there are so many other parts of Vietnam waiting to be explored. Around 225 kilometres east of Hanoi, a visit to Móng Cái will keep you busy. Start with leading sights like Baĩ biển Trà Cổ, Tra Co beach and Biển Trà cổ, Móng Cái, Quảng Ninh.

  • Bỉm Sơn is another standout destination in Vietnam and is around 129 kilometres south of Hanoi. No journey is complete without dropping by Quang Khanh Pagoda, Thung lũng xanh and Di Tích Lịch Sử Động Cửa Buồng.

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