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$1,232+ Cheap flights from St. Louis (STL) to Hanoi (HAN)

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 4/8. Fares are subject to change and may not be available on all flights or dates of travel.
STL — HAN
Nov 26 — Dec 31
Tue 11/26
Tue 12/3
1 adult, Economy
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1. Tell us where you want to go
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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 November 21, 2024.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Popular in

July

Cheapest in

January

Average price

$1,284

Round-trip from

$1,232
(oojo)
Provider with most accurate pricing for Lambert-St Louis-Hanoi Noibai flight deals.
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Provider most trusted by Cheapflights users for Lambert-St Louis-Hanoi Noibai flights.
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High demand for flights, 32% potential price rise
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Best time to find cheap flights, 26% potential price drop
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Average for round-trip flights in November 2024
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From Lambert-St Louis to Hanoi Noibai
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Find flight deals from St. Louis to Hanoi

Cheapest flights from St. Louis to Hanoi
Explore the most affordable flight options available from St. Louis to Hanoi. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 21, 2024.

This Gurufare deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/247:00 amSTL - HAN
2 stops26h 30mJapan Airlines
Tue 11/2611:55 pmHAN - STL
2 stops37h 02mJapan Airlines
Deal found 11/20$1,261
This Gurufare deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/247:00 amSTL - HAN
2 stops26h 30mMultiple Airlines
Mon 11/252:40 amHAN - STL
2 stops34h 17mMultiple Airlines
Deal found 11/20$1,831
This United Airlines deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/247:09 amSTL - HAN
2 stops26h 56mUnited Airlines
Tue 11/2611:50 pmHAN - STL
3 stops53h 48mUnited Airlines
Deal found 11/20$2,704
This KAYAK deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/2711:42 amSTL - HAN
2 stops30h 13mQatar Airways
Fri 1/32:20 amHAN - STL
2 stops34h 39mQatar Airways
Deal found 11/20$4,906

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 2,629,791 searches. Data last updated November 21, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

St. LouisHanoi

STL - HAN

STLHAN

Lambert-St Louis

Tue 4/8

1:42 pm-7:15 am

2 stops29h 33m

Hanoi Noibai

Tue 4/29

7:30 pm-9:14 am

2 stops49h 44m

$1,232

St. LouisHanoi

STL - HAN

STLHAN

Lambert-St Louis

Tue 4/8

3:15 pm-10:00 pm

3 stops42h 45m

Hanoi Noibai

Tue 4/29

11:35 pm-12:27 am

2 stops36h 52m

$1,637

St. LouisHanoi

STL - HAN

STLHAN

Lambert-St Louis

Tue 4/8

5:18 pm-1:15 pm

2 stops31h 57m

Hanoi Noibai

Mon 4/28

1:30 am-9:04 pm

2 stops31h 34m

$1,793

St. LouisHanoi

STL - HAN

STLHAN

Lambert-St Louis

Fri 12/27

6:04 am-9:40 pm

2 stops26h 36m

Hanoi Noibai

Sat 1/4

11:00 pm-9:42 pm

2 stops35h 42m

$2,905

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/21

Compare providers for flights from St. Louis to Hanoi

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from St. Louis to Hanoi in November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on St. Louis-Hanoi flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on St. Louis-Hanoi flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from St. Louis-Hanoi flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on St. Louis-Hanoi flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for St. Louis-Hanoi flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.

Travel insights for flights from St. Louis to Hanoi

Get recent, data-driven insights about flights from St. Louis to Hanoi including ideal travel times, pricing trends, and more.

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

Find hourly flight availability from St. Louis to Hanoi. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 21, 2024.

It’s optimal to fly from St. Louis to Hanoi at noon. By choosing this option you can save up to 37% on the cost of your flight, compared to a flight in the morning.

Rainfall in Hanoi by month

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

In terms of precipitation, rainfall in Hanoi ranges from 0.6 - 11.7 inches per month. August is typically the wettest month, when rainfall can reach 11.7 in. December is typically the driest time to visit Hanoi when rainfall is around 0.6 in.

Temperature in Hanoi by month

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

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 November 21, 2024.
Emirates
8.1
Very good
3,485 reviews

Boarding

8.1

Overall

8.1

Food

7.9

Comfort

8.0

Entertainment

8.2

Crew

8.3

Reviews

1 / 10

My earphone set did not work throughout the flight. I tried with two different sets. I believe there was a problem with the system where I was seated.

Emirates
8.1
Very good
3,485 reviews
Emirates
8.1
Very good
3,485 reviews

Boarding

8.1

Overall

8.1

Food

7.9

Comfort

8.0

Entertainment

8.2

Crew

8.3

Reviews

1 / 10

My earphone set did not work throughout the flight. I tried with two different sets. I believe there was a problem with the system where I was seated.

Qatar Airways
7.5
Good
3,832 reviews
Emirates
8.1
Very good
3,485 reviews

Boarding

8.1

Overall

8.1

Food

7.9

Comfort

8.0

Entertainment

8.2

Crew

8.3

Reviews

1 / 10

My earphone set did not work throughout the flight. I tried with two different sets. I believe there was a problem with the system where I was seated.

United Airlines
7.4
Good
9,173 reviews
Emirates
8.1
Very good
3,485 reviews

Boarding

8.1

Overall

8.1

Food

7.9

Comfort

8.0

Entertainment

8.2

Crew

8.3

Reviews

1 / 10

My earphone set did not work throughout the flight. I tried with two different sets. I believe there was a problem with the system where I was seated.

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.

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

    Currently priced at $1,232, 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 Emirates - these airlines can fly you to your destination from $1,637 and $1,793, respectively. Users have found that Qatar Airways is 25% cheaper than the other options available to this destination.

  • 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.

  • 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 $978). Flying from St. Louis to Hanoi in June is currently the most expensive (average of $1,594). 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

Browse thousands of different options on Cheapflights for your next trip

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Top 3 airlines flying from St. Louis to Hanoi

Discover the top 3 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 2,629,791 searches. Data last updated November 21, 2024.
AirlineCheapestAverageFlexibilityOn-time
Qatar AirwaysCheapest$1,215Average$1,510FlexibilityNo cancel feeOn-time68%
American AirlinesCheapest$1,438Average$1,492FlexibilityNo cancel feeOn-time71%
DeltaCheapest$1,495Average$2,406FlexibilityNo cancel feeOn-timeN/A
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