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

Currently priced at $1,095, American Airlines will fly you from St. Louis to Hanoi and back. In addition to American Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Qatar Airways and Delta - these airlines can fly you to your destination from $1,221 and $1,446, respectively. Users have found that American Airlines is 33% cheaper than the other options available to this destination.

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 $975). Flying from St. Louis to Hanoi in December is currently the most expensive (average of $1,618). 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.

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

Travelers seeking maximum savings on their St. Louis to Hanoi flight should consider departing on Saturday mornings 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.

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 Qatar Airways.

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 January. Prices to Hanoi from St. Louis average $1,646. You can even find prices in January for less than $1,646, as users have found deals to Hanoi from as low as $1,215. The month of July 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 47%.

Most accurate provider : When it comes to deals on St. Louis-Hanoi flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on St. Louis-Hanoi flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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.

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.

$572+ Flights from St. Louis to Hanoi

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1. Tell us where you want to go

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Cheap flight deals from St. Louis to Hanoi

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$1,095 (American Airlines)
One-way from	$572 (Mytrip)
Popular in	July
Cheapest in	January
Average price	$1,747

Provider with most accurate pricing for Lambert-St Louis-Hanoi Noibai flight deals.

Search Deals

Provider most trusted by Cheapflights users for Lambert-St Louis-Hanoi Noibai flights.

Search Deals

From Lambert-St Louis to Hanoi Noibai

Search Deals

One-way flight from Lambert-St Louis to Hanoi Noibai

Search Deals

High demand for flights, 26% potential price rise

Search Deals

Best time to find cheap flights, 5% potential price drop

Search Deals

Average for round-trip flights in December 2024

Search Deals

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 December 22, 2024.

Fri 12/276:04 amSTL - HAN

2 stops26h 36mMultiple Airlines

Sat 1/412:20 pmHAN - STL

2 stops22h 39mMultiple Airlines

Deal found 12/21

$3,153

Fri 12/279:25 amSTL - HAN

2 stops37h 55mQatar Airways

Fri 1/32:20 amHAN - STL

2 stops34h 39mQatar Airways

Deal found 12/21

$4,976

Best flights from St. Louis to Hanoi
Discover carefully curated flight deals from St. Louis to Hanoi that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 22, 2024.

Tue 2/46:03 amSTL - HAN

2 stops27h 27mAmerican Airlines

Tue 2/1111:55 pmHAN - STL

2 stops37h 01mAmerican Airlines

Deal found 12/21

$1,095

Tue 4/81:42 pmSTL - HAN

2 stops29h 33mQatar Airways

Tue 4/297:30 pmHAN - STL

2 stops54h 19mQatar Airways

Deal found 12/22

$1,221

Tue 2/46:30 amSTL - HAN

2 stops27h 35mMultiple Airlines

Tue 2/1111:00 pmHAN - STL

3 stops30h 45mMultiple Airlines

Deal found 12/21

$1,369

Fri 3/147:20 amSTL - HAN

2 stops26h 20mDelta

Sun 3/3011:10 pmHAN - STL

2 stops35h 03mDelta

Deal found 12/20

$1,446

Tue 2/46:30 amSTL - HAN

2 stops27h 35mANA

Mon 2/1012:25 amHAN - STL

2 stops51h 12mANA

Deal found 12/21

$1,574

Tue 4/83:40 pmSTL - HAN

2 stops33h 35mEmirates

Mon 4/281:30 amHAN - STL

2 stops32h 39mEmirates

Deal found 12/21

$2,063

Last-minute flights from St. Louis to Hanoi
Discover last-minute flight deals from St. Louis to Hanoi. Data last updated December 22, 2024 and is based on user searches.

Fri 12/276:04 amSTL - HAN

2 stops26h 36mMultiple Airlines

Sat 1/412:20 pmHAN - STL

2 stops22h 39mMultiple Airlines

Deal found 12/21

$3,153

Fri 12/279:25 amSTL - HAN

2 stops37h 55mQatar Airways

Fri 1/32:20 amHAN - STL

2 stops34h 39mQatar Airways

Deal found 12/21

$4,976

One-way flights from St. Louis to Hanoi
Search for one-way flight options from St. Louis to Hanoi. Find affordable one-way fares based on user searches. Data last updated December 22, 2024.

Sun 2/1611:20 amSTL - HAN

2 stops46h 45mANA

Deal found 12/20

$572

Sun 2/1612:15 pmSTL - HAN

3 stops52h 20mMultiple Airlines

Deal found 12/20

$610

Sat 5/314:30 pmSTL - HAN

2 stops41h 45mUnited Airlines

Deal found 12/21

$942

Find flights from St. Louis to Hanoi within your budget

Fly from

Fly to

Route

Depart

Return

Price

St. LouisHanoi

STL - HAN

STLHAN

Lambert-St Louis

Tue 2/4

6:03 am-10:30 pm

2 stops27h 27m

Hanoi Noibai

Tue 2/11

11:55 pm-11:56 pm

2 stops37h 01m

$1,095

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-1:49 pm

2 stops54h 19m

$1,221

St. LouisHanoi

STL - HAN

STLHAN

Lambert-St Louis

Tue 2/4

6:30 am-11:05 pm

2 stops27h 35m

Hanoi Noibai

Tue 2/11

11:00 pm-4:45 pm

3 stops30h 45m

$1,369

St. LouisHanoi

STL - HAN

STLHAN

Lambert-St Louis

Fri 3/14

7:20 am-9:40 pm

2 stops26h 20m

Hanoi Noibai

Sun 3/30

11:10 pm-10:13 pm

2 stops35h 03m

$1,446

St. LouisHanoi

STL - HAN

STLHAN

Lambert-St Louis

Tue 2/4

6:30 am-11:05 pm

2 stops27h 35m

Hanoi Noibai

Mon 2/10

12:25 am-2:37 pm

2 stops51h 12m

$1,574

St. LouisHanoi

STL - HAN

STLHAN

Lambert-St Louis

Tue 4/8

3:40 pm-1:15 pm

2 stops33h 35m

Hanoi Noibai

Mon 4/28

1:30 am-10:09 pm

2 stops32h 39m

$2,063

St. LouisHanoi

STL - HAN

STLHAN

Lambert-St Louis

Sun 2/16

11:20 am-11:05 pm

2 stops46h 45m

$572

St. LouisHanoi

STL - HAN

STLHAN

Lambert-St Louis

Sun 2/16

12:15 pm-5:35 am

3 stops52h 20m

$610

St. LouisHanoi

STL - HAN

STLHAN

Lambert-St Louis

Sat 5/31

4:30 pm-10:15 pm

2 stops41h 45m

$942

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/20

Compare providers for flights from St. Louis to Hanoi

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 December.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
AranGrant	Price Accuracy3 stars	Trust 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on St. Louis-Hanoi flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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?

It’s optimal to fly from St. Louis to Hanoi at noon. By choosing this option you can save up to 36% on the cost of your flight, compared to a flight in the morning.

Rainfall in Hanoi 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

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

ANA

8.4

Very good

844 reviews

Reviews

1 / 10

Your hospitality was excellent, very polite and kind. The meal was tasty and good. The buns were cold. Who likes cold buns?

ANA

8.4

Very good

844 reviews

ANA

8.4

Very good

844 reviews

Reviews

1 / 10

Your hospitality was excellent, very polite and kind. The meal was tasty and good. The buns were cold. Who likes cold buns?

Emirates

8.1

Very good

3,398 reviews

ANA

8.4

Very good

844 reviews

Reviews

1 / 10

Your hospitality was excellent, very polite and kind. The meal was tasty and good. The buns were cold. Who likes cold buns?

Delta

8.0

Very good

8,597 reviews

ANA

8.4

Very good

844 reviews

Reviews

1 / 10

Your hospitality was excellent, very polite and kind. The meal was tasty and good. The buns were cold. Who likes cold buns?

Qatar Airways

7.5

Good

3,789 reviews

ANA

8.4

Very good

844 reviews

Reviews

1 / 10

Your hospitality was excellent, very polite and kind. The meal was tasty and good. The buns were cold. Who likes cold buns?

United Airlines

7.4

Good

9,035 reviews

ANA

8.4

Very good

844 reviews

Reviews

1 / 10

Your hospitality was excellent, very polite and kind. The meal was tasty and good. The buns were cold. Who likes cold buns?

Related info for your journey

What are the cheapest airlines flying from St. Louis to Hanoi round-trip?
Currently priced at $1,095, American Airlines will fly you from St. Louis to Hanoi and back. In addition to American Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Qatar Airways and Delta - these airlines can fly you to your destination from $1,221 and $1,446, respectively. Users have found that American Airlines is 33% 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 $975). Flying from St. Louis to Hanoi in December is currently the most expensive (average of $1,618). 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

Airline	Cheapest	Average	Flexibility	On-time
Qatar Airways	Cheapest$1,215	Average$1,510	FlexibilityNo cancel fee	On-time68%
American Airlines	Cheapest$1,438	Average$1,492	FlexibilityNo cancel fee	On-time71%
Delta	Cheapest$1,495	Average$2,406	FlexibilityNo cancel fee	On-timeN/A

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$572+ Cheap flights from St. Louis (STL) to Hanoi (HAN)

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 2/16. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from St. Louis to Hanoi with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from St. Louis to Hanoi

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from St. Louis to Hanoi

Cheapest flights from St. Louis to HanoiExplore 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 December 22, 2024.

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 December 22, 2024.

Find flights from St. Louis to Hanoi within your budget

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 December.

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.

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 December 22, 2024.

Rainfall in Hanoi by month

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

Temperature in Hanoi by month

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

Reviews of airlines servicing Hanoi

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?

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

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

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

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

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 St. Louis to Hanoi

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

Top 3 airlines flying from St. Louis to Hanoi

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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 December 22, 2024.