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Cheap flights from St. Louis (STL) to Hanoi (HAN) from $680

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/20. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
STL — HAN
Jun 15 — Jun 221
From?
To?
Sat 6/15
Sat 6/22
1 adult, Economy
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Cheap flight deals from St. Louis to Hanoi

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Hanoi (HAN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 10, 2024.

Popular in

June

Cheapest in

October

Round-trip from

$1,025

One-way from

$680
High demand for flights, 32% potential price rise
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Best time to find cheap flights, 21% potential price drop
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From Lambert-St Louis to Hanoi Noibai
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One-way flight from Lambert-St Louis to Hanoi Noibai
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What is the cheapest day to fly round-trip from St. Louis to Hanoi?

Users have found that flying from St. Louis to Hanoi on a Sunday typically leans towards higher prices. However, this doesn’t mean you still can’t find a deal. Flexibility with other aspects of your flight can still land a great price for your trip.

What is the cheapest month to fly from St. Louis to Hanoi?

The best pricing can be found in the month of October. Prices to Hanoi from St. Louis average $1,746. You can even find prices in October for less than $1,746, as users have found deals to Hanoi from as low as $1,286. The month of June appears to be one of the more expensive times to travel to Hanoi from St. Louis. Flying in the targeted month can save you up to 46%.

What is the cheapest time of day to fly from STL to HAN?

It’s optimal to fly from St. Louis to Hanoi at noon. By choosing this option you can save up to 29% on the cost of your flight, compared to a flight in the afternoon.

St. Louis to Hanoi 2024 flight deals

Discover exclusive flight deals for travel between St. Louis and Hanoi in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,020,828 searches. Data last updated June 10, 2024.
These are some of the most attractive deals on flights from St. Louis to Hanoi in 2024. More deals are always being added, so be sure to check back regularly.
Mon 9/162:34 pmSTL - HAN
2 stops32h 31mMultiple Airlines
Mon 9/306:00 pmHAN - STL
2 stops31h 28mMultiple Airlines
Deal found 6/10$1,207
Sun 11/102:24 pmSTL - HAN
2 stops37h 51mMultiple Airlines
Fri 11/226:20 pmHAN - STL
2 stops32h 07mMultiple Airlines
Deal found 6/10$1,248
Mon 9/167:30 amSTL - HAN
2 stops35h 40mQatar Airways
Sun 9/293:30 amHAN - STL
2 stops30h 38mQatar Airways
Deal found 6/10$1,276
Mon 11/112:24 pmSTL - HAN
2 stops32h 11mMultiple Airlines
Sat 11/236:20 pmHAN - STL
2 stops32h 07mMultiple Airlines
Deal found 6/10$1,283
Sun 11/105:37 pmSTL - HAN
2 stops40h 28mUnited Airlines
Thu 11/2112:25 amHAN - STL
2 stops48h 50mUnited Airlines
Deal found 6/10$1,299
Mon 11/1112:06 pmSTL - HAN
2 stops30h 04mQatar Airways
Fri 11/221:40 amHAN - STL
2 stops32h 51mQatar Airways
Deal found 6/10$1,304
Sun 11/106:00 amSTL - HAN
2 stops48h 40mQatar Airways
Thu 11/211:40 amHAN - STL
2 stops32h 51mQatar Airways
Deal found 6/10$1,314
Mon 9/164:51 pmSTL - HAN
3 stops37h 14mMultiple Airlines
Mon 9/307:05 pmHAN - STL
3 stops33h 25mMultiple Airlines
Deal found 6/10$1,354
Tue 8/64:22 pmSTL - HAN
2 stops33h 38mQatar Airways
Tue 8/208:45 amHAN - STL
2 stops47h 02mQatar Airways
Deal found 6/9$1,455

One-way flights to Hanoi from St. Louis

Search for one-way flight options from St. Louis to Hanoi. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 3,020,828 searches. Data last updated June 10, 2024.
Users traveling one-way from St. Louis to Hanoi can select one of these great deals. For those needing a return trip from St. Louis, there is a search form available above.
Wed 11/208:40 amSTL - HAN
2 stops25h 25mUnited Airlines
Deal found 6/10$680
Wed 11/205:36 amSTL - HAN
3 stops27h 54mAmerican Airlines
Deal found 6/10$3,293
Wed 11/203:45 pmSTL - HAN
1 stop26h 25mMultiple Airlines
Deal found 6/10$5,253

Find flights from St. Louis to Hanoi within your budget

Customize your flight search to find flights from St. Louis to Hanoi that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 3,020,828 searches. Data last updated June 10, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$1,207 - $1,455

Route

Depart

Return

Price

Lambert-St LouisHanoi Noibai

STL - HAN

STLHAN

Lambert-St Louis

Mon 9/16

2 stops32h 31m

Hanoi Noibai

Mon 9/30

2 stops31h 28m

$1,207

Lambert-St LouisHanoi Noibai

STL - HAN

STLHAN

Lambert-St Louis

Sun 11/10

2 stops37h 51m

Hanoi Noibai

Fri 11/22

2 stops32h 07m

$1,248

Lambert-St LouisHanoi Noibai

STL - HAN

STLHAN

Lambert-St Louis

Mon 9/16

2 stops35h 40m

Hanoi Noibai

Sun 9/29

2 stops30h 38m

$1,276

Lambert-St LouisHanoi Noibai

STL - HAN

STLHAN

Lambert-St Louis

Mon 11/11

2 stops32h 11m

Hanoi Noibai

Sat 11/23

2 stops32h 07m

$1,283

Lambert-St LouisHanoi Noibai

STL - HAN

STLHAN

Lambert-St Louis

Sun 11/10

2 stops40h 28m

Hanoi Noibai

Thu 11/21

2 stops48h 50m

$1,299

Lambert-St LouisHanoi Noibai

STL - HAN

STLHAN

Lambert-St Louis

Mon 11/11

2 stops30h 04m

Hanoi Noibai

Fri 11/22

2 stops32h 51m

$1,304

Lambert-St LouisHanoi Noibai

STL - HAN

STLHAN

Lambert-St Louis

Sun 11/10

2 stops48h 40m

Hanoi Noibai

Thu 11/21

2 stops32h 51m

$1,314

Lambert-St LouisHanoi Noibai

STL - HAN

STLHAN

Lambert-St Louis

Mon 9/16

3 stops37h 14m

Hanoi Noibai

Mon 9/30

3 stops33h 25m

$1,354

Lambert-St LouisHanoi Noibai

STL - HAN

STLHAN

Lambert-St Louis

Tue 8/6

2 stops33h 38m

Hanoi Noibai

Tue 8/20

2 stops47h 02m

$1,455

Flights are sorted by cheapest first

Deals found on 6/10

What is the cheapest day to fly from St. Louis to Hanoi?

Use this chart to determine the cheapest time to fly round-trip from St. Louis to Hanoi. Price data was last updated on June 9, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their St. Louis to Hanoi flight should consider departing on Tuesday at noon when fares are most often at their lowest. Monday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
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Best time to book a flight from St. Louis to Hanoi

Have a flexible travel schedule? Discover the best time to fly to Hanoi from St. Louis 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.

Temperature and rainfall in Hanoi by month

Plan your trip to Hanoi by taking into account the average temperature and rainfall totals by month.

HAN

Temperature

62.6 - 84.2 °F

If weather is an important factor for your trip to Hanoi, use this chart to help with planning. For those seeking warmer temperatures, June is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 62.6 F).

Reviews of airlines servicing Hanoi

Get insights into the airlines that provide service to Hanoi. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Hanoi. Reviews last updated June 10, 2024.
See what other customers who have flown with Qatar Airways, United Airlines and American Airlines from St. Louis to Hanoi have to say. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Qatar Airways
7.7
Good
4,306 reviews

Crew

8.1

Overall

7.7

Boarding

7.8

Food

7.5

Entertainment

7.6

Comfort

7.6

Reviews

1 / 10

Service was slow in the flight from iad to doh. The entertainment was not working in the flight from doh to ccu

Qatar Airways
7.7
Good
4,306 reviews
Qatar Airways
7.7
Good
4,306 reviews

Crew

8.1

Overall

7.7

Boarding

7.8

Food

7.5

Entertainment

7.6

Comfort

7.6

Reviews

1 / 10

Service was slow in the flight from iad to doh. The entertainment was not working in the flight from doh to ccu

United Airlines
7.4
Good
10,647 reviews
Qatar Airways
7.7
Good
4,306 reviews

Crew

8.1

Overall

7.7

Boarding

7.8

Food

7.5

Entertainment

7.6

Comfort

7.6

Reviews

1 / 10

Service was slow in the flight from iad to doh. The entertainment was not working in the flight from doh to ccu

American Airlines
7.3
Good
14,138 reviews
Qatar Airways
7.7
Good
4,306 reviews

Crew

8.1

Overall

7.7

Boarding

7.8

Food

7.5

Entertainment

7.6

Comfort

7.6

Reviews

1 / 10

Service was slow in the flight from iad to doh. The entertainment was not working in the flight from doh to ccu

Related info for your journey

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

  • Can I find flights from St. Louis to Hanoi for under $1,300 on Cheapflights?

    Yes, there are multiple flights from St. Louis to Hanoi for under $1,300. The cheapest flight booked recently is on Multiple Airlines for just $1,207, but on average you can expect to pay $2,542.

  • What are the cheapest airlines flying from St. Louis to Hanoi round-trip?

    Currently priced at $1,276, Qatar Airways will fly you from St. Louis to Hanoi and back. In addition to Qatar Airways, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from United Airlines and American Airlines - these airlines can fly you to your destination from $1,299 and $4,551, respectively. Users have found that Qatar Airways is 26% cheaper than the other options available to this destination.

  • What does STL to HAN mean?

    STL stands for Lambert-St Louis Airport, while HAN stands for Hanoi Noibai Airport. These codes are often called IATA codes, a set of identifiers established by IATA (International Air Transport Association) that is widely used by airlines and the aviation industry.

  • Can I find deals for flights from St. Louis to Hanoi that include extra baggage allowance?

    The amount of baggage you can bring on your St. Louis to Hanoi flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from St. Louis to Hanoi with specific airlines?

    Yes, Cheapflights allows you to browse and filter St. Louis to Hanoi flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from St. Louis to Hanoi that include hotel bookings?

    Yes. In addition to deals on St. Louis to Hanoi flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from St. Louis to Hanoi?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Hanoi.

  • Can I find deals for business class flights from St. Louis to Hanoi?

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

  • Can I find deals for flights from St. Louis to Hanoi that allow pets onboard?

    Many airlines flying from St. Louis to Hanoi offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from St. Louis to Hanoi?

    Yes, you can often find last-minute deals on St. Louis to Hanoi flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the St. Louis to Hanoi flight deals updated?

    The St. Louis to Hanoi flight deals you see on this page were last updated on 6/10.

  • What are the most popular airlines that fly from St. Louis to Hanoi?

    Before booking your flight from St. Louis to Hanoi check out the most popular airlines for this route: American Airlines, Delta or Japan Airlines.

  • What is the cheapest month to book a flight from St. Louis to Hanoi?

    Currently, September is the cheapest month in which you can book a flight from St. Louis to Hanoi (average of $1,025). Flying from St. Louis to Hanoi in June is currently the most expensive (average of $1,593). 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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Alternative routes for St. Louis to Hanoi
See prices for flight routes from nearby airports that may be better suited for you.

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Top 6 airlines flying from St. Louis to Hanoi

Discover the top 6 airlines that operate flights from St. Louis to Hanoi. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 3,020,828 searches. Data last updated June 10, 2024.
AirlineCheapestAverageFlexibilityOn-time
Japan AirlinesCheapest$1,269Average$1,908FlexibilityNo cancel feeOn-time79%
Qatar AirwaysCheapest$1,285Average$1,510FlexibilityNo cancel feeOn-time68%
DeltaCheapest$1,432Average$2,405FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$1,450Average$1,492FlexibilityNo cancel feeOn-time71%
ANACheapest$1,491Average$1,647FlexibilityNo cancel feeOn-time80%
Korean AirCheapest$1,561Average$2,297FlexibilityNo cancel feeOn-time81%
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Search flights from St. Louis to Hanoi by cabin class

Find flights from St. Louis to Hanoi, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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