$740 Find Cheap Flights from St. Louis to Hanoi

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Flights from St. Louis to Hanoi

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Find cheap flights from St. Louis to Hanoi starting at $740.

Book one-way or return flights from St. Louis to Hanoi from as little as $740. Choose from the popular airlines below and book your flight today!

One way
Round-trip

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Searching for the best last minute flight from St. Louis to Hanoi? Find one-way or return flights that are affordable and fit your itinerary.

Trip.com monitors the ticket fares of flights from St. Louis to Hanoi. Stay updated on price trends and snag the best deals for your upcoming trip.

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Find cheap airlines flights from St. Louis to Hanoi

View airlines operating flights from St. Louis to Hanoi. Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.

American Airlines

From $740

Qatar Airways

From $805

Frontier Airlines

From $831

All Nippon Airways

From $909

Delta Air Lines

From $998

Cathay Pacific

From $1,045

United Airlines

From $1,093

Korean Air

From $1,105

Alaska Airlines

From $1,117

Air Canada

From $1,126

ANA airlines

Find more flights and airlines

Find cheap flights from St. Louis to Hanoi by different airports

Discover different routes, airlines, and transfers and find the best alternative flights for your journey from St. Louis to Hanoi.

Cheapest
STL
17:06
30h 59m
2 transfer
HAN
12:05
St. Louis Lambert International Airport - Noi Bai International Airport
Sat, May 4American Airlines
$740
STL
17:06
30h 59m
2 transfer
HAN
12:05
St. Louis Lambert International Airport - Noi Bai International Airport
Sat, May 4American Airlines
$740
Find More Flights

Frequently Asked Questions

When are flight tickets from St. Louis (STL) to Hanoi (HAN) the cheapest?
Airlines adjust prices for flights from St. Louis to Hanoi based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.
How much do flights from St. Louis (STL) to Hanoi (HAN) cost?
According to Trip.com's data, the lowest price is around $2,171.
What is the transportation method from the main airport to downtown in Hanoi?
- The distance from Noi Bai International Airport to downtown is about 21km. It takes about 40 minutes by taxi.

How to find a cheap flight from St. Louis to Hanoi

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from St. Louis to Hanoi. Book your flights at the right time and save more.

Book Early

Once prices are gone, they're gone. Lock in deals while you can!

Compare Flight Prices

Compare prices on travel agency and airline websites.

Look Out for Deals

Check airline and travel agency websites for latest flight deals

Check One-way Fares

Buying two cheap one-way flights can sometimes be a better deal than a round-trip.

Try Different Dates

Flying during the week, early in the morning, or late at night can help save money.

Use the Trip.com App

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