Cheap Flights from St Louis to Ho Chi Minh City

Compare St Louis to Ho Chi Minh City flight deals

Find the cheapest month or even day of the year to fly to Ho Chi Minh City

Book the best Ho Chi Minh City fare with no extra fees

Flight deals from St Louis to Ho Chi Minh City

Looking for a cheap last-minute deal or the best return flight from St Louis to Ho Chi Minh City? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from St Louis to Ho Chi Minh City

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like St Louis to Ho Chi Minh City flights are currently cheapest in November.

St Louis to Ho Chi Minh City: Alternative routes

Compare routes from St Louis to Ho Chi Minh City below. You may find an airport to fly into that's cheaper, faster, or easier than Ho Chi Minh City.

St Louis to Ho Chi Minh City: Flight information

The things to know before you go.
Cheapest flight foundRs134,948
Cheapest month to flyNovember

Finding cheap flights from St Louis to Ho Chi Minh City: Frequently asked questions

The best price we found for a return flight from St Louis to Ho Chi Minh City is Rs257,043. 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 St Louis to Ho Chi Minh City. But we found flights with one or more stops from Rs257,043.
As of September 2025, there are no flights flying from St Louis to Ho Chi Minh City.
The cheapest month to fly from St Louis to Ho Chi Minh City is usually September.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from St Louis Airport to Ho Chi Minh City Airport on Monday, 22 September 2025.
No airlines currently offer direct flights between St Louis Airport and Ho Chi Minh City 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 Ho Chi Minh City 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 Ho Chi Minh City is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Frontier Airlines offers the cheapest flight tickets to Ho Chi Minh City.

Travelling from Lambert-St. Louis International Airport (STL) to Tan Son Nhat International Airport (SGN): what you need to know

  • Ho Chi Minh City's timezone is UTC+7, making Ho Chi Minh City 12 hours ahead of St Louis.

  • Arrive at the airport on time so you don't miss your STL to SGN flight. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid a last-minute sprint to the gate.

  • During popular months such as July, it's best to get to the airport well in advance. Plan to arrive two hours before domestic departures and four hours ahead for international flights whenever you're travelling during peak periods in general.

  • Opt for a stopover if you'd love to break up your flight. Just deselect 'Direct flights only' to see all your options for tickets from Lambert-St. Louis International Airport to Tan Son Nhat International Airport. San Francisco International Airport is a top stopover on the STL to SGN route.

How to find the cheapest flights from Lambert-St. Louis International Airport (STL) to Tan Son Nhat International Airport (SGN)

  • Rs134,948 is currently the lowest price for a one-way Lambert-St. Louis International Airport to Tan Son Nhat International Airport flight. Return flights start at Rs257,043. These fares may change based on demand.

  • To pick up cheap tickets from STL to SGN, book as early as you can. Airlines tend to offer lower fares when flights are first made available.

  • If you're willing to be flexible with your travel plans, try using the 'Whole month' tool. It'll show you the cheapest price across each month when looking for a flight from Lambert-St. Louis International Airport to Tan Son Nhat International Airport.

  • Save time looking for cheap flights from STL to SGN by setting up a Price Alert. We'll send you an email or push notification on the app when a new discounted fare appears.

  • Choose your ideal departure and arrival times, number of stops and airlines with the filters. Or sort your results by 'Cheapest' to find the best deals on flights from Lambert-St. Louis International Airport to Tan Son Nhat International Airport.

Handy information about Lambert-St. Louis International Airport (STL)

  • The address for STL is 10701 Lambert International Blvd..

  • When it comes to the on-time performance of Lambert-St. Louis International Airport, 78.04% of flights complete their journey on time.

  • Lambert-St. Louis International Airport is around 26 kilometres from central St Louis. If you're catching a cab, ride-sharing or driving from the centre, it'll take 20 minutes or so to get there, depending on the traffic.

  • Planning to catch public transport? You can expect a journey time of around 35 minutes.

  • Searching for a handy hotel close to STL? If you've booked an early flight from Lambert-St. Louis International Airport to Tan Son Nhat International Airport, these stays will have you sleeping moments from your departure lounge:

Arriving at Tan Son Nhat International Airport (SGN)

  • Reserve a hotel close to SGN if you're on a late Lambert-St. Louis International Airport to Tan Son Nhat International Airport flight. Pick one of these accommodation options and skip the long transfer:

  • Venture beyond Ho Chi Minh City and discover places that usually fly under the radar with your own wheels. You can pick up a Tan Son Nhat International Airport rental car from Dichung Car Hire.

  • Book your vehicle from Tan Son Nhat International Airport several weeks ahead to get the best deal. If you're going away during a peak period, it's smart to book even earlier.

Getting from Tan Son Nhat International Airport (SGN) to central Ho Chi Minh City

  • From Tan Son Nhat International Airport, Ho Chi Minh City is approximately 5 kilometres away. It takes around 15 minutes to drive to the centre.

  • If you're using public transport, expect a journey of about 45 minutes.

When to fly to Tan Son Nhat International Airport (SGN)

  • The quietest month for a flight from Lambert-St. Louis International Airport to Tan Son Nhat International Airport is April, while July is the most popular. Pick the best time to go to Ho Chi Minh City based on whether you prefer a bustling atmosphere or a more laid-back vibe.

  • The warmest month in Ho Chi Minh City is March, with the temperature ranging between 23ºC and 38ºC. Book your flights from Lambert-St. Louis International Airport to Tan Son Nhat International Airport in this month if this is the type of weather you enjoy.

  • January has average temperatures of between 21ºC and 34ºC. Look for cheap tickets from STL to SGN sometime then if you want to travel in cooler conditions.

Explore more of Vietnam

  • You've visited Ho Chi Minh City, now it's time to explore more of Vietnam. Journey around 26 kilometres north-east to Biên Hòa to check off its top sights. From Tú Phong Lan to Vinh Dư and mieu binh da, you'll have a packed itinerary ahead.

  • If you're ready to explore another major stop in Vietnam, consider Can Tho, about 129 kilometres south-west of Ho Chi Minh City. Cai Rang Floating Market, Ong Temple and Can Tho Museum are the start of reasons to visit.

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