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Cheap flights from St. Louis (STL) to Hanoi (HAN) from $714

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 2 — Jun 91
From?
To?
Sun 6/2
Sun 6/9
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 May 28, 2024.

Popular in

June

Cheapest in

October

Round-trip from

$1,026

One-way from

$741
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%.

When is the cheapest time to fly from St. Louis to Hanoi (STL - 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.

Cheap Qatar Airways flights from St. Louis to Hanoi

Explore cheap flight options specifically provided by Qatar Airways for the route between St. Louis and Hanoi. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,696,634 searches. Data last updated May 28, 2024.
Consider these cheap Qatar Airways flights we've found departing from St. Louis to Hanoi. Come back soon if you're not finding the exact deal you're looking for.
Fri 11/17:30 amSTL - HAN
2 stops35h 40mQatar Airways
Sun 11/241:40 amHAN - STL
2 stops32h 51mQatar Airways
Deal found 5/28$1,312
Sat 11/22:54 pmSTL - HAN
2 stops40h 46mQatar Airways
Mon 11/257:10 pmHAN - STL
2 stops39h 21mQatar Airways
Deal found 5/28$1,317
Mon 11/412:06 pmSTL - HAN
2 stops30h 04mQatar Airways
Sat 11/231:40 amHAN - STL
2 stops32h 51mQatar Airways
Deal found 5/28$1,336
Mon 11/412:06 pmSTL - HAN
2 stops30h 04mQatar Airways
Thu 11/211:40 amHAN - STL
2 stops32h 51mQatar Airways
Deal found 5/28$1,372
Fri 11/12:54 pmSTL - HAN
2 stops28h 16mQatar Airways
Sat 11/231:40 amHAN - STL
2 stops32h 51mQatar Airways
Deal found 5/28$1,378
Sun 11/32:54 pmSTL - HAN
2 stops27h 16mQatar Airways
Tue 11/261:40 amHAN - STL
2 stops32h 51mQatar Airways
Deal found 5/28$1,379
Thu 10/312:54 pmSTL - HAN
2 stops33h 31mQatar Airways
Sun 11/241:40 amHAN - STL
2 stops32h 51mQatar Airways
Deal found 5/28$1,406
Sun 11/32:54 pmSTL - HAN
2 stops27h 16mQatar Airways
Fri 11/221:40 amHAN - STL
2 stops32h 51mQatar Airways
Deal found 5/28$1,415
Tue 10/294:18 pmSTL - HAN
2 stops26h 52mQatar Airways
Tue 11/261:40 amHAN - STL
2 stops32h 51mQatar Airways
Deal found 5/28$1,418

Cheap Japan Airlines flights from St. Louis to Hanoi

Explore cheap flight options specifically provided by Japan Airlines for the route between St. Louis and Hanoi. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,696,634 searches. Data last updated May 28, 2024.
Some of the lowest-priced Japan Airlines flights we've found at this time heading from St. Louis to Hanoi. Ensure the flight price, dates, time, and airline match your criteria before you book.
Wed 10/307:00 amSTL - HAN
2 stops27h 30mJapan Airlines
Thu 11/2811:55 pmHAN - STL
2 stops24h 25mJapan Airlines
Deal found 5/28$1,510
Sat 11/27:23 pmSTL - HAN
2 stops39h 07mJapan Airlines
Thu 11/2811:55 pmHAN - STL
2 stops24h 25mJapan Airlines
Deal found 5/28$1,521

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 2,696,634 searches. Data last updated May 28, 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 9/97:00 amSTL - HAN
2 stops44h 35mMultiple Airlines
Wed 9/257:05 pmHAN - STL
2 stops36h 43mMultiple Airlines
Deal found 5/28$1,222
Tue 9/109:37 amSTL - HAN
2 stops41h 58mMultiple Airlines
Mon 9/237:05 pmHAN - STL
2 stops39h 04mMultiple Airlines
Deal found 5/28$1,255
Mon 9/97:00 amSTL - HAN
2 stops47h 05mMultiple Airlines
Sat 9/217:05 pmHAN - STL
2 stops36h 43mMultiple Airlines
Deal found 5/28$1,272
Sat 9/79:37 amSTL - HAN
2 stops41h 58mMultiple Airlines
Wed 9/257:05 pmHAN - STL
2 stops36h 43mMultiple Airlines
Deal found 5/28$1,277
Tue 9/102:34 pmSTL - HAN
2 stops38h 16mMultiple Airlines
Sun 9/226:00 pmHAN - STL
2 stops31h 33mMultiple Airlines
Deal found 5/28$1,283
Tue 9/109:37 amSTL - HAN
2 stops44h 28mCathay Pacific
Sat 9/2110:30 amHAN - STL
2 stops45h 18mCathay Pacific
Deal found 5/28$1,299
Sun 9/87:00 amSTL - HAN
2 stops44h 35mMultiple Airlines
Mon 9/237:05 pmHAN - STL
2 stops39h 04mMultiple Airlines
Deal found 5/28$1,305
Sun 11/37:23 pmSTL - HAN
2 stops33h 57mMultiple Airlines
Thu 11/287:20 pmHAN - STL
2 stops40h 40mMultiple Airlines
Deal found 5/28$1,307
Fri 11/17:30 amSTL - HAN
2 stops35h 40mQatar Airways
Sun 11/241:40 amHAN - STL
2 stops32h 51mQatar Airways
Deal found 5/28$1,312

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 2,696,634 searches. Data last updated May 28, 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 11/2012:06 pmSTL - HAN
2 stops30h 04mQatar Airways
Deal found 5/28$714
Wed 11/2012:06 pmSTL - HAN
2 stops30h 04mQatar Airways
Deal found 5/27$741
Wed 11/205:36 amSTL - HAN
3 stops27h 54mAmerican Airlines
Deal found 5/27$3,293
Wed 11/203:45 pmSTL - HAN
1 stop26h 25mMultiple Airlines
Deal found 5/27$5,256

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 2,696,634 searches. Data last updated May 28, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$1,222 - $1,510

Route

Depart

Return

Price

Lambert-St LouisHanoi Noibai

STL - HAN

STLHAN

Lambert-St Louis

Mon 9/9

2 stops44h 35m

Hanoi Noibai

Mon 9/23

2 stops39h 04m

$1,222

Lambert-St LouisHanoi Noibai

STL - HAN

STLHAN

Lambert-St Louis

Tue 9/10

2 stops41h 58m

Hanoi Noibai

Tue 9/24

2 stops39h 55m

$1,255

Lambert-St LouisHanoi Noibai

STL - HAN

STLHAN

Lambert-St Louis

Mon 9/9

2 stops44h 35m

Hanoi Noibai

Thu 9/19

2 stops36h 43m

$1,272

Lambert-St LouisHanoi Noibai

STL - HAN

STLHAN

Lambert-St Louis

Tue 9/10

2 stops44h 28m

Hanoi Noibai

Sat 9/21

2 stops45h 18m

$1,299

Lambert-St LouisHanoi Noibai

STL - HAN

STLHAN

Lambert-St Louis

Fri 11/1

2 stops35h 40m

Hanoi Noibai

Sun 11/24

2 stops32h 51m

$1,312

Lambert-St LouisHanoi Noibai

STL - HAN

STLHAN

Lambert-St Louis

Sat 11/2

2 stops40h 46m

Hanoi Noibai

Mon 11/25

2 stops39h 21m

$1,317

Lambert-St LouisHanoi Noibai

STL - HAN

STLHAN

Lambert-St Louis

Mon 11/4

2 stops30h 04m

Hanoi Noibai

Sat 11/23

2 stops32h 51m

$1,336

Lambert-St LouisHanoi Noibai

STL - HAN

STLHAN

Lambert-St Louis

Wed 10/30

2 stops28h 50m

Hanoi Noibai

Wed 11/27

2 stops34h 50m

$1,487

Lambert-St LouisHanoi Noibai

STL - HAN

STLHAN

Lambert-St Louis

Wed 10/30

2 stops27h 30m

Hanoi Noibai

Thu 11/28

2 stops24h 25m

$1,510

Flights are sorted by cheapest first

Deals found on 5/28

When is the cheapest time 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 May 26, 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.
Search Deals

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

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 May 28, 2024.
See what other customers who have flown with Qatar Airways, Japan 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.
Japan Airlines
8.3
Very good
1,472 reviews
Check prices

Overall

8.3

Boarding

8.4

Comfort

8.2

Crew

8.7

Entertainment

7.8

Food

7.8

Reviews

1 / 10

I travel frequently but it was my first JAL flight and it turned out to be a good experience.

Japan Airlines
8.3
Very good
1,472 reviews
Japan Airlines
8.3
Very good
1,472 reviews
Check prices

Overall

8.3

Boarding

8.4

Comfort

8.2

Crew

8.7

Entertainment

7.8

Food

7.8

Reviews

1 / 10

I travel frequently but it was my first JAL flight and it turned out to be a good experience.

Cathay Pacific
7.8
Good
1,056 reviews
Japan Airlines
8.3
Very good
1,472 reviews
Check prices

Overall

8.3

Boarding

8.4

Comfort

8.2

Crew

8.7

Entertainment

7.8

Food

7.8

Reviews

1 / 10

I travel frequently but it was my first JAL flight and it turned out to be a good experience.

Qatar Airways
7.7
Good
4,342 reviews
Japan Airlines
8.3
Very good
1,472 reviews
Check prices

Overall

8.3

Boarding

8.4

Comfort

8.2

Crew

8.7

Entertainment

7.8

Food

7.8

Reviews

1 / 10

I travel frequently but it was my first JAL flight and it turned out to be a good experience.

United Airlines
7.4
Good
10,799 reviews
Japan Airlines
8.3
Very good
1,472 reviews
Check prices

Overall

8.3

Boarding

8.4

Comfort

8.2

Crew

8.7

Entertainment

7.8

Food

7.8

Reviews

1 / 10

I travel frequently but it was my first JAL flight and it turned out to be a good experience.

American Airlines
7.3
Good
14,316 reviews
Japan Airlines
8.3
Very good
1,472 reviews
Check prices

Overall

8.3

Boarding

8.4

Comfort

8.2

Crew

8.7

Entertainment

7.8

Food

7.8

Reviews

1 / 10

I travel frequently but it was my first JAL flight and it turned out to be a good experience.

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 $1,222, but on average you can expect to pay $1,320.

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

    Currently priced at $1,299, Cathay Pacific will fly you from St. Louis to Hanoi and back. In addition to Cathay Pacific, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on Qatar Airways for as low as $1,312. Users have found that Cathay Pacific is 25% 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 5/28.

  • 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.

  • When is the best time 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 $1,026). Flying from St. Louis to Hanoi in June is currently the most expensive (average of $1,600). 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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Kansas City to Hanoi flights
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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 2,696,634 searches. Data last updated May 28, 2024.
AirlineCheapestAverageFlexibilityOn-time
Japan AirlinesCheapest$1,269Average$1,908FlexibilityNo cancel feeOn-time79%
Search Japan Airlines flights
Qatar AirwaysCheapest$1,285Average$1,510FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights
DeltaCheapest$1,432Average$2,405FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
American AirlinesCheapest$1,450Average$1,492FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
ANACheapest$1,491Average$1,647FlexibilityNo cancel feeOn-time80%
Search ANA flights
Korean AirCheapest$1,561Average$2,297FlexibilityNo cancel feeOn-time81%
Search Korean Air flights
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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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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from St. Louis to Hanoi?

When you search for this flight from St. Louis to Hanoi, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from St. Louis to Hanoi?

Cheapflights simply makes it quick and affordable to book flights from St. Louis to Hanoi by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from St. Louis to Hanoi with no change fees?

Certainly. Search results for flights to Hanoi from St. Louis shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from St. Louis to Hanoi become cheaper?

Of course! You can now track prices for flights from St. Louis to Hanoi and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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