What is the cheapest month to book a flight from Vietnam to South Dakota?

Currently, September is the cheapest month in which you can book a flight from Vietnam to South Dakota (average of $334). Flying from Vietnam to South Dakota in December is currently the most expensive (average of $446). 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.

In terms of precipitation, rainfall in South Dakota ranges from 0.6 - 3.9 inches per month. June is typically the wettest month, when rainfall can reach 3.9 in. January is typically the driest time to visit South Dakota when rainfall is around 0.6 in.

If weather is an important factor for your trip to South Dakota, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 15.8 F).

What is the cheapest time of day to fly from VN to SD?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Vietnam to South Dakota as you normally would.

Can I find deals for flights from Vietnam to South Dakota that include hotel bookings?

Yes. In addition to deals on Vietnam to South Dakota flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Vietnam to South Dakota?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Vietnam to South Dakota.

Can I find deals for business class flights from Vietnam to South Dakota?

Yes. Cheapflights offers flight deals from Vietnam to South Dakota by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$1,257+ Flights from Vietnam to South Dakota

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Cheap flight deals from Vietnam to South Dakota

Round-trip from	$1,257 (United Airlines)

From Vietnam to South Dakota

Search Deals

Find flight deals from Vietnam to South Dakota

Cheapest flights from Vietnam to South Dakota
Explore the most affordable flight options available from Vietnam to South Dakota. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2025.

Fri 10/317:30 amSGN - FSD

2 stops26h 16mUnited Airlines

Tue 11/46:00 amFSD - SGN

3 stops27h 55mUnited Airlines

Deal found 7/30

$1,257

Fri 10/318:55 amSGN - FSD

2 stops49h 47mQatar Airways

Tue 11/410:59 amFSD - SGN

2 stops37h 06mQatar Airways

Deal found 7/28

$1,299

Best flights from Vietnam to South Dakota
Discover carefully curated flight deals from Vietnam to South Dakota that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 31, 2025.

Fri 10/317:30 amSGN - FSD

2 stops26h 16mUnited Airlines

Tue 11/46:00 amFSD - SGN

3 stops27h 55mUnited Airlines

Deal found 7/30

$1,257

Fri 10/318:55 amSGN - FSD

2 stops49h 47mQatar Airways

Tue 11/410:59 amFSD - SGN

2 stops37h 06mQatar Airways

Deal found 7/28

$1,299

Cheapflights Fare Finder

Use the filters below to find and compare flights from Vietnam to South Dakota that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Ho Chi Minh CitySioux Falls

SGN - FSD

SGNFSD

Ho Chi Minh City

Fri 10/31

7:30 am-9:46 pm

2 stops26h 16m

Sioux Falls Joe Foss Field

Tue 11/4

6:00 am-10:55 pm

3 stops27h 55m

$1,257

Ho Chi Minh CitySioux Falls

SGN - FSD

SGNFSD

Ho Chi Minh City

Fri 10/31

8:55 am-10:42 pm

2 stops49h 47m

Sioux Falls Joe Foss Field

Tue 11/4

10:59 am-1:05 pm

2 stops37h 06m

$1,299

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

Best time to book a flight from Vietnam to South Dakota

Have a flexible travel schedule? Discover the best time to fly to South Dakota from Vietnam with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Vietnam to South Dakota

No data available for this route at this time. Please check back soon.

Reviews of airlines servicing South Dakota

Read through reviews of airlines operating flights from Vietnam to South Dakota, such as Qatar Airways and United Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Qatar Airways

7.4

Good

3,609 reviews

Reviews

1 / 20

6.0

Good

preeti,Jan 2025

DOH - PHL

Can improve a lot from food to crew training to entertainment etc.

Qatar Airways

7.4

Good

3,609 reviews

Qatar Airways

7.4

Good

3,609 reviews

Reviews

1 / 20

6.0

Good

preeti,Jan 2025

DOH - PHL

Can improve a lot from food to crew training to entertainment etc.

United Airlines

7.4

Good

8,900 reviews

Qatar Airways

7.4

Good

3,609 reviews

Reviews

1 / 20

6.0

Good

preeti,Jan 2025

DOH - PHL

Can improve a lot from food to crew training to entertainment etc.

Related info for your journey

Can I find deals for flights from Vietnam to South Dakota that include hotel bookings?
Yes. In addition to deals on Vietnam to South Dakota flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Vietnam to South Dakota?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Vietnam to South Dakota.
Can I find deals for business class flights from Vietnam to South Dakota?
Yes. Cheapflights offers flight deals from Vietnam to South Dakota by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Vietnam to South Dakota?
Currently, September is the cheapest month in which you can book a flight from Vietnam to South Dakota (average of $334). Flying from Vietnam to South Dakota in December is currently the most expensive (average of $446). 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.

See more FAQs

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$1,257+ Cheap flights from Vietnam to South Dakota

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/31. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Vietnam to South Dakota with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Vietnam to South Dakota

Keep the following information in mind while searching for Vietnam to South Dakota flight deals. Data was last updated July 31, 2025.

Round-trip from

Find flight deals from Vietnam to South Dakota

Cheapest flights from Vietnam to South DakotaExplore the most affordable flight options available from Vietnam to South Dakota. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2025.

Explore the most affordable flight options available from Vietnam to South Dakota. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Vietnam to South Dakota that are best for you.

Best time to book a flight from Vietnam to South Dakota

Have a flexible travel schedule? Discover the best time to fly to South Dakota from Vietnam with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Vietnam to South Dakota

Reviews of airlines servicing South Dakota

Read through reviews of airlines operating flights from Vietnam to South Dakota, such as Qatar Airways and United Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Vietnam to South Dakota. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

Can I find deals for flights from Vietnam to South Dakota that include hotel bookings?

How can I find direct flights from Vietnam to South Dakota?

Can I find deals for business class flights from Vietnam to South Dakota?

What is the cheapest month to book a flight from Vietnam to South Dakota?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Vietnam to South Dakota

See prices for flight routes from nearby airports that may be better suited for you.

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Vietnam to South Dakota
Explore the most affordable flight options available from Vietnam to South Dakota. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2025.