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Cheap flights from St. Louis (STL) to Hanoi (HAN) from $1,327

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 5/3. 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
May 8 — May 151
From?
To?
Wed 5/8
Wed 5/15
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 3, 2024.

Popular in

June

Cheapest in

September

Average price

$1,685

Round-trip from

$1,027
High demand for flights, 37% potential price rise
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Best time to find cheap flights, 25% potential price drop
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Average for round-trip flights in May 2024
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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 September. Prices to Hanoi from St. Louis average $1,604. You can even find prices in September for less than $1,604, as users have found deals to Hanoi from as low as $1,207. 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 59%.

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 24% on the cost of your flight, compared to a flight in the morning.

Cheap Delta flights from St. Louis to Hanoi

Explore cheap flight options specifically provided by Delta 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 2,899,487 searches. Data last updated May 3, 2024.
Consider these cheap Delta 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.
Wed 6/126:30 amSTL - HAN
2 stops40h 25mDelta
Sun 6/2312:15 pmHAN - STL
2 stops21h 40mDelta
Deal found 5/2$2,030
Mon 6/103:23 pmSTL - HAN
2 stops42h 12mDelta
Sat 6/2211:10 pmHAN - STL
2 stops34h 45mDelta
Deal found 5/2$2,035

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 2,899,487 searches. Data last updated May 3, 2024.
Some of the lowest-priced Qatar Airways 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.
Mon 6/104:48 pmSTL - HAN
2 stops26h 22mQatar Airways
Fri 6/213:30 amHAN - STL
2 stops30h 32mQatar Airways
Deal found 5/2$2,316
Wed 6/129:44 amSTL - HAN
2 stops45h 51mQatar Airways
Sat 6/223:30 amHAN - STL
2 stops30h 32mQatar Airways
Deal found 5/2$2,438

Cheap St. Louis to Hanoi flights in May & June 2024

Find cheap flight options from St. Louis to Hanoi specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,899,487 searches. Prices were last updated on May 3, 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.
Fri 5/38:47 amSTL - HAN
2 stops25h 28mUnited Airlines
Sun 5/1211:35 pmHAN - STL
2 stops35h 10mUnited Airlines
Deal found 5/2$1,327
Fri 5/33:05 pmSTL - HAN
2 stops34h 50mMultiple Airlines
Sun 5/1211:35 pmHAN - STL
3 stops32h 45mMultiple Airlines
Deal found 5/2$1,610
Mon 6/102:41 pmSTL - HAN
3 stops33h 24mMultiple Airlines
Sat 6/225:45 pmHAN - STL
3 stops35h 40mMultiple Airlines
Deal found 5/2$1,967
Wed 6/126:30 amSTL - HAN
2 stops40h 25mDelta
Sun 6/2312:15 pmHAN - STL
2 stops21h 40mDelta
Deal found 5/2$2,030
Mon 6/103:23 pmSTL - HAN
2 stops42h 12mDelta
Sat 6/2211:10 pmHAN - STL
2 stops34h 45mDelta
Deal found 5/2$2,035
Mon 6/107:47 pmSTL - HAN
2 stops30h 08mMultiple Airlines
Sat 6/225:45 pmHAN - STL
3 stops35h 40mMultiple Airlines
Deal found 5/2$2,213
Mon 6/104:48 pmSTL - HAN
2 stops26h 22mQatar Airways
Fri 6/213:30 amHAN - STL
2 stops30h 32mQatar Airways
Deal found 5/2$2,316
Wed 6/126:15 amSTL - HAN
2 stops28h 00mMultiple Airlines
Sun 6/2311:35 pmHAN - STL
3 stops52h 50mMultiple Airlines
Deal found 5/2$2,418
Wed 6/129:44 amSTL - HAN
2 stops45h 51mQatar Airways
Sat 6/223:30 amHAN - STL
2 stops30h 32mQatar Airways
Deal found 5/2$2,438

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 2,899,487 searches. Data last updated May 3, 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.
Fri 5/38:47 amSTL - HAN
2 stops25h 28mUnited Airlines
Sun 5/1211:35 pmHAN - STL
2 stops35h 10mUnited Airlines
Deal found 5/2$1,327
Thu 11/1412:06 pmSTL - HAN
2 stops30h 04mQatar Airways
Sun 11/171:40 amHAN - STL
2 stops32h 51mQatar Airways
Deal found 5/2$1,418
Thu 11/147:00 amSTL - HAN
2 stops26h 30mJapan Airlines
Mon 11/1811:55 pmHAN - STL
2 stops36h 05mJapan Airlines
Deal found 5/2$1,503
Thu 11/149:13 amSTL - HAN
2 stops24h 52mUnited Airlines
Sun 11/1712:25 amHAN - STL
3 stops53h 10mUnited Airlines
Deal found 5/1$1,582
Fri 5/33:05 pmSTL - HAN
2 stops34h 50mMultiple Airlines
Sun 5/1211:35 pmHAN - STL
3 stops32h 45mMultiple Airlines
Deal found 5/2$1,610
Mon 6/102:41 pmSTL - HAN
3 stops33h 24mMultiple Airlines
Sat 6/225:45 pmHAN - STL
3 stops35h 40mMultiple Airlines
Deal found 5/2$1,967
Mon 7/82:21 pmSTL - HAN
2 stops38h 29mMultiple Airlines
Mon 7/226:00 pmHAN - STL
2 stops31h 20mMultiple Airlines
Deal found 5/2$2,026
Wed 6/126:30 amSTL - HAN
2 stops40h 25mDelta
Sun 6/2312:15 pmHAN - STL
2 stops21h 40mDelta
Deal found 5/2$2,030
Mon 6/103:23 pmSTL - HAN
2 stops42h 12mDelta
Sat 6/2211:10 pmHAN - STL
2 stops34h 45mDelta
Deal found 5/2$2,035

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 2,899,487 searches. Data last updated May 3, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$1,967 - $4,662

Route

Depart

Return

Price

Lambert-St LouisHanoi Noibai

STL - HAN

STLHAN

Lambert-St Louis

Mon 6/10

3 stops33h 24m

Hanoi Noibai

Sat 6/22

3 stops35h 40m

$1,967

Lambert-St LouisHanoi Noibai

STL - HAN

STLHAN

Lambert-St Louis

Mon 7/8

2 stops38h 29m

Hanoi Noibai

Mon 7/22

2 stops31h 20m

$2,026

Lambert-St LouisHanoi Noibai

STL - HAN

STLHAN

Lambert-St Louis

Wed 6/12

2 stops40h 25m

Hanoi Noibai

Sun 6/23

2 stops21h 40m

$2,030

Lambert-St LouisHanoi Noibai

STL - HAN

STLHAN

Lambert-St Louis

Mon 6/10

2 stops42h 12m

Hanoi Noibai

Sat 6/22

2 stops34h 45m

$2,035

Lambert-St LouisHanoi Noibai

STL - HAN

STLHAN

Lambert-St Louis

Mon 7/8

2 stops27h 21m

Hanoi Noibai

Mon 7/22

2 stops35h 47m

$2,077

Lambert-St LouisHanoi Noibai

STL - HAN

STLHAN

Lambert-St Louis

Mon 6/10

2 stops30h 08m

Hanoi Noibai

Sat 6/22

3 stops35h 40m

$2,213

Lambert-St LouisHanoi Noibai

STL - HAN

STLHAN

Lambert-St Louis

Mon 6/10

2 stops26h 22m

Hanoi Noibai

Fri 6/21

2 stops30h 32m

$2,316

Lambert-St LouisHanoi Noibai

STL - HAN

STLHAN

Lambert-St Louis

Mon 7/8

2 stops40h 45m

Hanoi Noibai

Mon 7/22

3 stops52h 53m

$2,735

Lambert-St LouisHanoi Noibai

STL - HAN

STLHAN

Lambert-St Louis

Mon 7/8

3 stops27h 46m

Hanoi Noibai

Mon 7/22

3 stops34h 34m

$4,662

Flights are sorted by cheapest first

Deals found on 5/2

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 April 28, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their St. Louis to Hanoi flight should consider departing on Wednesday afternoons 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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Average price of flights to Hanoi by month

Plan your trip from St. Louis to Hanoi by taking into account the cheapest months to travel. The average price of a one-way flight from St. Louis to Hanoi is currently $0 while a round-trip flight costs $2,451. Price data was last updated on April 28, 2024.

Currently, September is the cheapest month in which you can book a flight from St. Louis to Hanoi (average of $1,027). Flying from St. Louis to Hanoi in June is currently the most expensive (average of $1,640). 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.

January

$1,188

February

$1,114

March

$1,067

April

$1,119

May

$1,309

June

$1,640

July

$1,363

August

$1,234

September

$1,027

October

$1,129

November

$1,154

December

$1,363

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 3, 2024.
See what other customers who have flown with Delta, Qatar Airways 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
1,487 reviews
Check prices

Crew

8.7

Comfort

8.2

Overall

8.3

Food

7.9

Boarding

8.4

Entertainment

7.8

Reviews

1 / 10

Good food. Great crew. Online access to upgrade to Economy Plus was confusing and difficult. Or possibly just sold out. JAL's English website is challenging.

Japan Airlines
8.3
Very good
1,487 reviews
Japan Airlines
8.3
Very good
1,487 reviews
Check prices

Crew

8.7

Comfort

8.2

Overall

8.3

Food

7.9

Boarding

8.4

Entertainment

7.8

Reviews

1 / 10

Good food. Great crew. Online access to upgrade to Economy Plus was confusing and difficult. Or possibly just sold out. JAL's English website is challenging.

Delta
8.1
Very good
10,858 reviews
Japan Airlines
8.3
Very good
1,487 reviews
Check prices

Crew

8.7

Comfort

8.2

Overall

8.3

Food

7.9

Boarding

8.4

Entertainment

7.8

Reviews

1 / 10

Good food. Great crew. Online access to upgrade to Economy Plus was confusing and difficult. Or possibly just sold out. JAL's English website is challenging.

Qatar Airways
7.7
Good
4,450 reviews
Japan Airlines
8.3
Very good
1,487 reviews
Check prices

Crew

8.7

Comfort

8.2

Overall

8.3

Food

7.9

Boarding

8.4

Entertainment

7.8

Reviews

1 / 10

Good food. Great crew. Online access to upgrade to Economy Plus was confusing and difficult. Or possibly just sold out. JAL's English website is challenging.

United Airlines
7.4
Good
11,143 reviews
Japan Airlines
8.3
Very good
1,487 reviews
Check prices

Crew

8.7

Comfort

8.2

Overall

8.3

Food

7.9

Boarding

8.4

Entertainment

7.8

Reviews

1 / 10

Good food. Great crew. Online access to upgrade to Economy Plus was confusing and difficult. Or possibly just sold out. JAL's English website is challenging.

American Airlines
7.3
Good
14,767 reviews
Japan Airlines
8.3
Very good
1,487 reviews
Check prices

Crew

8.7

Comfort

8.2

Overall

8.3

Food

7.9

Boarding

8.4

Entertainment

7.8

Reviews

1 / 10

Good food. Great crew. Online access to upgrade to Economy Plus was confusing and difficult. Or possibly just sold out. JAL's English website is challenging.

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 $2,000 on Cheapflights?

    Yes, there are multiple flights from St. Louis to Hanoi for under $2,000. The cheapest flight booked recently is on Multiple Airlines for just $1,967, but on average you can expect to pay $2,966.

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

    Currently priced at $2,030, Delta will fly you from St. Louis to Hanoi and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Japan Airlines and Qatar Airways - these airlines can fly you to your destination from $2,077 and $2,316, respectively.

  • 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 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 5/2.

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 2,899,487 searches. Data last updated May 3, 2024.
AirlineCheapestAverageFlexibilityOn-time
Qatar AirwaysCheapest$1,198Average$1,500FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights
Japan AirlinesCheapest$1,269Average$1,908FlexibilityNo cancel feeOn-time79%
Search Japan Airlines flights
DeltaCheapest$1,432Average$2,405FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
American AirlinesCheapest$1,453Average$1,510FlexibilityNo 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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